Changes between Initial Version and Version 1 of Ticket #2147


Ignore:
Timestamp:
Jul 1, 2019, 10:57:31 AM (7 years ago)
Author:
Eric Pettersen
Comment:

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  • Ticket #2147

    • Property Component Unassigned → Graphics
    • Property Owner set to Tom Goddard
    • Property Platform → all
    • Property Project → ChimeraX
    • Property Status new → assigned
    • Property Summary ChimeraX bug report submission → self._positions is None

  • Ticket #2147 – Description

    initial v1  
    118118See log for complete Python traceback. 
    119119 
    120 Traceback (most recent call last): 
    121 File
    122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    123 packages/chimerax/core/triggerset.py", line 130, in invoke 
    124 return self._func(self._name, data) 
    125 File
    126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    127 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    128 if v.display: 
    129 File
    130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    131 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    132 return self._any_displayed_positions and len(self._positions) > 0 
    133 TypeError: object of type 'NoneType' has no len() 
    134  
    135 During handling of the above exception, another exception occurred: 
    136  
    137 Traceback (most recent call last): 
    138 File
    139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    140 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    141 if not self.draw_new_frame(): 
    142 File
    143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    144 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    145 changed = view.check_for_drawing_change() 
    146 File
    147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    148 packages/chimerax/core/graphics/view.py", line 252, in
    149 check_for_drawing_change 
    150 trig.activate_trigger('graphics update', self) 
    151 File
    152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    153 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    154 trigger.activate(data) 
    155 File
    156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    157 packages/chimerax/core/triggerset.py", line 190, in activate 
    158 ret = handler.invoke(data, self._remove_bad_handlers) 
    159 File
    160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    161 packages/chimerax/core/triggerset.py", line 132, in invoke 
    162 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    163 File
    164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    165 packages/chimerax/core/session.py", line 943, in <lambda> 
    166 logger.report_exception(preface=preface)) 
    167 File
    168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    169 packages/chimerax/core/logger.py", line 421, in report_exception 
    170 elif probably_chimera1_session(exc_info): 
    171 File
    172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    173 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    174 etype, evalue, etraceback = exc_info 
    175 TypeError: cannot unpack non-iterable NoneType object 
    176  
    177 TypeError: cannot unpack non-iterable NoneType object 
    178  
    179 File
    180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    181 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    182 etype, evalue, etraceback = exc_info 
    183  
    184 See log for complete Python traceback. 
    185  
    186 Traceback (most recent call last): 
    187 File
    188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    189 packages/chimerax/core/triggerset.py", line 130, in invoke 
    190 return self._func(self._name, data) 
    191 File
    192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    193 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    194 if v.display: 
    195 File
    196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    197 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    198 return self._any_displayed_positions and len(self._positions) > 0 
    199 TypeError: object of type 'NoneType' has no len() 
    200  
    201 During handling of the above exception, another exception occurred: 
    202  
    203 Traceback (most recent call last): 
    204 File
    205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    206 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    207 if not self.draw_new_frame(): 
    208 File
    209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    210 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    211 changed = view.check_for_drawing_change() 
    212 File
    213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    214 packages/chimerax/core/graphics/view.py", line 252, in
    215 check_for_drawing_change 
    216 trig.activate_trigger('graphics update', self) 
    217 File
    218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    219 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    220 trigger.activate(data) 
    221 File
    222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    223 packages/chimerax/core/triggerset.py", line 190, in activate 
    224 ret = handler.invoke(data, self._remove_bad_handlers) 
    225 File
    226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    227 packages/chimerax/core/triggerset.py", line 132, in invoke 
    228 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    229 File
    230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    231 packages/chimerax/core/session.py", line 943, in <lambda> 
    232 logger.report_exception(preface=preface)) 
    233 File
    234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    235 packages/chimerax/core/logger.py", line 421, in report_exception 
    236 elif probably_chimera1_session(exc_info): 
    237 File
    238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    239 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    240 etype, evalue, etraceback = exc_info 
    241 TypeError: cannot unpack non-iterable NoneType object 
    242  
    243 TypeError: cannot unpack non-iterable NoneType object 
    244  
    245 File
    246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    247 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    248 etype, evalue, etraceback = exc_info 
    249  
    250 See log for complete Python traceback. 
    251  
    252 Traceback (most recent call last): 
    253 File
    254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    255 packages/chimerax/core/triggerset.py", line 130, in invoke 
    256 return self._func(self._name, data) 
    257 File
    258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    259 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    260 if v.display: 
    261 File
    262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    263 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    264 return self._any_displayed_positions and len(self._positions) > 0 
    265 TypeError: object of type 'NoneType' has no len() 
    266  
    267 During handling of the above exception, another exception occurred: 
    268  
    269 Traceback (most recent call last): 
    270 File
    271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    272 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    273 if not self.draw_new_frame(): 
    274 File
    275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    276 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    277 changed = view.check_for_drawing_change() 
    278 File
    279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    280 packages/chimerax/core/graphics/view.py", line 252, in
    281 check_for_drawing_change 
    282 trig.activate_trigger('graphics update', self) 
    283 File
    284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    285 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    286 trigger.activate(data) 
    287 File
    288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    289 packages/chimerax/core/triggerset.py", line 190, in activate 
    290 ret = handler.invoke(data, self._remove_bad_handlers) 
    291 File
    292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    293 packages/chimerax/core/triggerset.py", line 132, in invoke 
    294 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    295 File
    296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    297 packages/chimerax/core/session.py", line 943, in <lambda> 
    298 logger.report_exception(preface=preface)) 
    299 File
    300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    301 packages/chimerax/core/logger.py", line 421, in report_exception 
    302 elif probably_chimera1_session(exc_info): 
    303 File
    304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    305 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    306 etype, evalue, etraceback = exc_info 
    307 TypeError: cannot unpack non-iterable NoneType object 
    308  
    309 TypeError: cannot unpack non-iterable NoneType object 
    310  
    311 File
    312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    313 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    314 etype, evalue, etraceback = exc_info 
    315  
    316 See log for complete Python traceback. 
    317  
    318 Traceback (most recent call last): 
    319 File
    320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    321 packages/chimerax/core/triggerset.py", line 130, in invoke 
    322 return self._func(self._name, data) 
    323 File
    324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    325 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    326 if v.display: 
    327 File
    328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    329 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    330 return self._any_displayed_positions and len(self._positions) > 0 
    331 TypeError: object of type 'NoneType' has no len() 
    332  
    333 During handling of the above exception, another exception occurred: 
    334  
    335 Traceback (most recent call last): 
    336 File
    337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    338 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    339 if not self.draw_new_frame(): 
    340 File
    341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    342 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    343 changed = view.check_for_drawing_change() 
    344 File
    345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    346 packages/chimerax/core/graphics/view.py", line 252, in
    347 check_for_drawing_change 
    348 trig.activate_trigger('graphics update', self) 
    349 File
    350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    351 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    352 trigger.activate(data) 
    353 File
    354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    355 packages/chimerax/core/triggerset.py", line 190, in activate 
    356 ret = handler.invoke(data, self._remove_bad_handlers) 
    357 File
    358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    359 packages/chimerax/core/triggerset.py", line 132, in invoke 
    360 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    361 File
    362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    363 packages/chimerax/core/session.py", line 943, in <lambda> 
    364 logger.report_exception(preface=preface)) 
    365 File
    366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    367 packages/chimerax/core/logger.py", line 421, in report_exception 
    368 elif probably_chimera1_session(exc_info): 
    369 File
    370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    371 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    372 etype, evalue, etraceback = exc_info 
    373 TypeError: cannot unpack non-iterable NoneType object 
    374  
    375 TypeError: cannot unpack non-iterable NoneType object 
    376  
    377 File
    378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    379 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    380 etype, evalue, etraceback = exc_info 
    381  
    382 See log for complete Python traceback. 
    383  
    384 Traceback (most recent call last): 
    385 File
    386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    387 packages/chimerax/core/triggerset.py", line 130, in invoke 
    388 return self._func(self._name, data) 
    389 File
    390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    391 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    392 if v.display: 
    393 File
    394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    395 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    396 return self._any_displayed_positions and len(self._positions) > 0 
    397 TypeError: object of type 'NoneType' has no len() 
    398  
    399 During handling of the above exception, another exception occurred: 
    400  
    401 Traceback (most recent call last): 
    402 File
    403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    404 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    405 if not self.draw_new_frame(): 
    406 File
    407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    408 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    409 changed = view.check_for_drawing_change() 
    410 File
    411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    412 packages/chimerax/core/graphics/view.py", line 252, in
    413 check_for_drawing_change 
    414 trig.activate_trigger('graphics update', self) 
    415 File
    416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    417 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    418 trigger.activate(data) 
    419 File
    420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    421 packages/chimerax/core/triggerset.py", line 190, in activate 
    422 ret = handler.invoke(data, self._remove_bad_handlers) 
    423 File
    424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    425 packages/chimerax/core/triggerset.py", line 132, in invoke 
    426 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    427 File
    428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    429 packages/chimerax/core/session.py", line 943, in <lambda> 
    430 logger.report_exception(preface=preface)) 
    431 File
    432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    433 packages/chimerax/core/logger.py", line 421, in report_exception 
    434 elif probably_chimera1_session(exc_info): 
    435 File
    436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    437 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    438 etype, evalue, etraceback = exc_info 
    439 TypeError: cannot unpack non-iterable NoneType object 
    440  
    441 TypeError: cannot unpack non-iterable NoneType object 
    442  
    443 File
    444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    445 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    446 etype, evalue, etraceback = exc_info 
    447  
    448 See log for complete Python traceback. 
    449  
    450 Traceback (most recent call last): 
    451 File
    452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    453 packages/chimerax/core/triggerset.py", line 130, in invoke 
    454 return self._func(self._name, data) 
    455 File
    456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    457 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    458 if v.display: 
    459 File
    460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    461 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    462 return self._any_displayed_positions and len(self._positions) > 0 
    463 TypeError: object of type 'NoneType' has no len() 
    464  
    465 During handling of the above exception, another exception occurred: 
    466  
    467 Traceback (most recent call last): 
    468 File
    469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    470 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    471 if not self.draw_new_frame(): 
    472 File
    473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    474 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    475 changed = view.check_for_drawing_change() 
    476 File
    477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    478 packages/chimerax/core/graphics/view.py", line 252, in
    479 check_for_drawing_change 
    480 trig.activate_trigger('graphics update', self) 
    481 File
    482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    483 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    484 trigger.activate(data) 
    485 File
    486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    487 packages/chimerax/core/triggerset.py", line 190, in activate 
    488 ret = handler.invoke(data, self._remove_bad_handlers) 
    489 File
    490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    491 packages/chimerax/core/triggerset.py", line 132, in invoke 
    492 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    493 File
    494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    495 packages/chimerax/core/session.py", line 943, in <lambda> 
    496 logger.report_exception(preface=preface)) 
    497 File
    498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    499 packages/chimerax/core/logger.py", line 421, in report_exception 
    500 elif probably_chimera1_session(exc_info): 
    501 File
    502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    503 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    504 etype, evalue, etraceback = exc_info 
    505 TypeError: cannot unpack non-iterable NoneType object 
    506  
    507 TypeError: cannot unpack non-iterable NoneType object 
    508  
    509 File
    510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    511 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    512 etype, evalue, etraceback = exc_info 
    513  
    514 See log for complete Python traceback. 
    515  
    516 Traceback (most recent call last): 
    517 File
    518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    519 packages/chimerax/core/triggerset.py", line 130, in invoke 
    520 return self._func(self._name, data) 
    521 File
    522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    523 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    524 if v.display: 
    525 File
    526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    527 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    528 return self._any_displayed_positions and len(self._positions) > 0 
    529 TypeError: object of type 'NoneType' has no len() 
    530  
    531 During handling of the above exception, another exception occurred: 
    532  
    533 Traceback (most recent call last): 
    534 File
    535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    536 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    537 if not self.draw_new_frame(): 
    538 File
    539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    540 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    541 changed = view.check_for_drawing_change() 
    542 File
    543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    544 packages/chimerax/core/graphics/view.py", line 252, in
    545 check_for_drawing_change 
    546 trig.activate_trigger('graphics update', self) 
    547 File
    548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    549 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    550 trigger.activate(data) 
    551 File
    552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    553 packages/chimerax/core/triggerset.py", line 190, in activate 
    554 ret = handler.invoke(data, self._remove_bad_handlers) 
    555 File
    556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    557 packages/chimerax/core/triggerset.py", line 132, in invoke 
    558 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    559 File
    560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    561 packages/chimerax/core/session.py", line 943, in <lambda> 
    562 logger.report_exception(preface=preface)) 
    563 File
    564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    565 packages/chimerax/core/logger.py", line 421, in report_exception 
    566 elif probably_chimera1_session(exc_info): 
    567 File
    568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    569 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    570 etype, evalue, etraceback = exc_info 
    571 TypeError: cannot unpack non-iterable NoneType object 
    572  
    573 TypeError: cannot unpack non-iterable NoneType object 
    574  
    575 File
    576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    577 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    578 etype, evalue, etraceback = exc_info 
    579  
    580 See log for complete Python traceback. 
    581  
    582 Traceback (most recent call last): 
    583 File
    584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    585 packages/chimerax/core/triggerset.py", line 130, in invoke 
    586 return self._func(self._name, data) 
    587 File
    588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    589 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    590 if v.display: 
    591 File
    592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    593 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    594 return self._any_displayed_positions and len(self._positions) > 0 
    595 TypeError: object of type 'NoneType' has no len() 
    596  
    597 During handling of the above exception, another exception occurred: 
    598  
    599 Traceback (most recent call last): 
    600 File
    601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    602 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    603 if not self.draw_new_frame(): 
    604 File
    605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    606 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    607 changed = view.check_for_drawing_change() 
    608 File
    609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    610 packages/chimerax/core/graphics/view.py", line 252, in
    611 check_for_drawing_change 
    612 trig.activate_trigger('graphics update', self) 
    613 File
    614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    615 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    616 trigger.activate(data) 
    617 File
    618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    619 packages/chimerax/core/triggerset.py", line 190, in activate 
    620 ret = handler.invoke(data, self._remove_bad_handlers) 
    621 File
    622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    623 packages/chimerax/core/triggerset.py", line 132, in invoke 
    624 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    625 File
    626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    627 packages/chimerax/core/session.py", line 943, in <lambda> 
    628 logger.report_exception(preface=preface)) 
    629 File
    630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    631 packages/chimerax/core/logger.py", line 421, in report_exception 
    632 elif probably_chimera1_session(exc_info): 
    633 File
    634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    635 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    636 etype, evalue, etraceback = exc_info 
    637 TypeError: cannot unpack non-iterable NoneType object 
    638  
    639 TypeError: cannot unpack non-iterable NoneType object 
    640  
    641 File
    642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    643 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    644 etype, evalue, etraceback = exc_info 
    645  
    646 See log for complete Python traceback. 
    647  
    648 Traceback (most recent call last): 
    649 File
    650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    651 packages/chimerax/core/triggerset.py", line 130, in invoke 
    652 return self._func(self._name, data) 
    653 File
    654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    655 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    656 if v.display: 
    657 File
    658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    659 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    660 return self._any_displayed_positions and len(self._positions) > 0 
    661 TypeError: object of type 'NoneType' has no len() 
    662  
    663 During handling of the above exception, another exception occurred: 
    664  
    665 Traceback (most recent call last): 
    666 File
    667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    668 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    669 if not self.draw_new_frame(): 
    670 File
    671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    672 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    673 changed = view.check_for_drawing_change() 
    674 File
    675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    676 packages/chimerax/core/graphics/view.py", line 252, in
    677 check_for_drawing_change 
    678 trig.activate_trigger('graphics update', self) 
    679 File
    680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    681 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    682 trigger.activate(data) 
    683 File
    684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    685 packages/chimerax/core/triggerset.py", line 190, in activate 
    686 ret = handler.invoke(data, self._remove_bad_handlers) 
    687 File
    688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    689 packages/chimerax/core/triggerset.py", line 132, in invoke 
    690 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    691 File
    692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    693 packages/chimerax/core/session.py", line 943, in <lambda> 
    694 logger.report_exception(preface=preface)) 
    695 File
    696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    697 packages/chimerax/core/logger.py", line 421, in report_exception 
    698 elif probably_chimera1_session(exc_info): 
    699 File
    700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    701 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    702 etype, evalue, etraceback = exc_info 
    703 TypeError: cannot unpack non-iterable NoneType object 
    704  
    705 TypeError: cannot unpack non-iterable NoneType object 
    706  
    707 File
    708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    709 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    710 etype, evalue, etraceback = exc_info 
    711  
    712 See log for complete Python traceback. 
    713  
    714 Traceback (most recent call last): 
    715 File
    716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    717 packages/chimerax/core/triggerset.py", line 130, in invoke 
    718 return self._func(self._name, data) 
    719 File
    720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    721 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    722 if v.display: 
    723 File
    724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    725 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    726 return self._any_displayed_positions and len(self._positions) > 0 
    727 TypeError: object of type 'NoneType' has no len() 
    728  
    729 During handling of the above exception, another exception occurred: 
    730  
    731 Traceback (most recent call last): 
    732 File
    733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    734 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    735 if not self.draw_new_frame(): 
    736 File
    737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    738 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    739 changed = view.check_for_drawing_change() 
    740 File
    741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    742 packages/chimerax/core/graphics/view.py", line 252, in
    743 check_for_drawing_change 
    744 trig.activate_trigger('graphics update', self) 
    745 File
    746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    747 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    748 trigger.activate(data) 
    749 File
    750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    751 packages/chimerax/core/triggerset.py", line 190, in activate 
    752 ret = handler.invoke(data, self._remove_bad_handlers) 
    753 File
    754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    755 packages/chimerax/core/triggerset.py", line 132, in invoke 
    756 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    757 File
    758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    759 packages/chimerax/core/session.py", line 943, in <lambda> 
    760 logger.report_exception(preface=preface)) 
    761 File
    762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    763 packages/chimerax/core/logger.py", line 421, in report_exception 
    764 elif probably_chimera1_session(exc_info): 
    765 File
    766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    767 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    768 etype, evalue, etraceback = exc_info 
    769 TypeError: cannot unpack non-iterable NoneType object 
    770  
    771 TypeError: cannot unpack non-iterable NoneType object 
    772  
    773 File
    774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    775 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    776 etype, evalue, etraceback = exc_info 
    777  
    778 See log for complete Python traceback. 
    779  
    780 Traceback (most recent call last): 
    781 File
    782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    783 packages/chimerax/core/triggerset.py", line 130, in invoke 
    784 return self._func(self._name, data) 
    785 File
    786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    787 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    788 if v.display: 
    789 File
    790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    791 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    792 return self._any_displayed_positions and len(self._positions) > 0 
    793 TypeError: object of type 'NoneType' has no len() 
    794  
    795 During handling of the above exception, another exception occurred: 
    796  
    797 Traceback (most recent call last): 
    798 File
    799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    800 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    801 if not self.draw_new_frame(): 
    802 File
    803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    804 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    805 changed = view.check_for_drawing_change() 
    806 File
    807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    808 packages/chimerax/core/graphics/view.py", line 252, in
    809 check_for_drawing_change 
    810 trig.activate_trigger('graphics update', self) 
    811 File
    812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    813 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    814 trigger.activate(data) 
    815 File
    816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    817 packages/chimerax/core/triggerset.py", line 190, in activate 
    818 ret = handler.invoke(data, self._remove_bad_handlers) 
    819 File
    820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    821 packages/chimerax/core/triggerset.py", line 132, in invoke 
    822 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    823 File
    824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    825 packages/chimerax/core/session.py", line 943, in <lambda> 
    826 logger.report_exception(preface=preface)) 
    827 File
    828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    829 packages/chimerax/core/logger.py", line 421, in report_exception 
    830 elif probably_chimera1_session(exc_info): 
    831 File
    832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    833 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    834 etype, evalue, etraceback = exc_info 
    835 TypeError: cannot unpack non-iterable NoneType object 
    836  
    837 TypeError: cannot unpack non-iterable NoneType object 
    838  
    839 File
    840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    841 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    842 etype, evalue, etraceback = exc_info 
    843  
    844 See log for complete Python traceback. 
    845  
    846 Traceback (most recent call last): 
    847 File
    848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    849 packages/chimerax/core/triggerset.py", line 130, in invoke 
    850 return self._func(self._name, data) 
    851 File
    852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    853 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    854 if v.display: 
    855 File
    856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    857 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    858 return self._any_displayed_positions and len(self._positions) > 0 
    859 TypeError: object of type 'NoneType' has no len() 
    860  
    861 During handling of the above exception, another exception occurred: 
    862  
    863 Traceback (most recent call last): 
    864 File
    865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    866 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    867 if not self.draw_new_frame(): 
    868 File
    869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    870 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    871 changed = view.check_for_drawing_change() 
    872 File
    873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    874 packages/chimerax/core/graphics/view.py", line 252, in
    875 check_for_drawing_change 
    876 trig.activate_trigger('graphics update', self) 
    877 File
    878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    879 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    880 trigger.activate(data) 
    881 File
    882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    883 packages/chimerax/core/triggerset.py", line 190, in activate 
    884 ret = handler.invoke(data, self._remove_bad_handlers) 
    885 File
    886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    887 packages/chimerax/core/triggerset.py", line 132, in invoke 
    888 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    889 File
    890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    891 packages/chimerax/core/session.py", line 943, in <lambda> 
    892 logger.report_exception(preface=preface)) 
    893 File
    894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    895 packages/chimerax/core/logger.py", line 421, in report_exception 
    896 elif probably_chimera1_session(exc_info): 
    897 File
    898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    899 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    900 etype, evalue, etraceback = exc_info 
    901 TypeError: cannot unpack non-iterable NoneType object 
    902  
    903 TypeError: cannot unpack non-iterable NoneType object 
    904  
    905 File
    906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    907 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    908 etype, evalue, etraceback = exc_info 
    909  
    910 See log for complete Python traceback. 
    911  
    912 Traceback (most recent call last): 
    913 File
    914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    915 packages/chimerax/core/triggerset.py", line 130, in invoke 
    916 return self._func(self._name, data) 
    917 File
    918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    919 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    920 if v.display: 
    921 File
    922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    923 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    924 return self._any_displayed_positions and len(self._positions) > 0 
    925 TypeError: object of type 'NoneType' has no len() 
    926  
    927 During handling of the above exception, another exception occurred: 
    928  
    929 Traceback (most recent call last): 
    930 File
    931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    932 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    933 if not self.draw_new_frame(): 
    934 File
    935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    936 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    937 changed = view.check_for_drawing_change() 
    938 File
    939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    940 packages/chimerax/core/graphics/view.py", line 252, in
    941 check_for_drawing_change 
    942 trig.activate_trigger('graphics update', self) 
    943 File
    944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    945 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    946 trigger.activate(data) 
    947 File
    948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    949 packages/chimerax/core/triggerset.py", line 190, in activate 
    950 ret = handler.invoke(data, self._remove_bad_handlers) 
    951 File
    952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    953 packages/chimerax/core/triggerset.py", line 132, in invoke 
    954 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    955 File
    956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    957 packages/chimerax/core/session.py", line 943, in <lambda> 
    958 logger.report_exception(preface=preface)) 
    959 File
    960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    961 packages/chimerax/core/logger.py", line 421, in report_exception 
    962 elif probably_chimera1_session(exc_info): 
    963 File
    964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    965 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    966 etype, evalue, etraceback = exc_info 
    967 TypeError: cannot unpack non-iterable NoneType object 
    968  
    969 TypeError: cannot unpack non-iterable NoneType object 
    970  
    971 File
    972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    973 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    974 etype, evalue, etraceback = exc_info 
    975  
    976 See log for complete Python traceback. 
    977  
    978 Traceback (most recent call last): 
    979 File
    980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    981 packages/chimerax/core/triggerset.py", line 130, in invoke 
    982 return self._func(self._name, data) 
    983 File
    984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    985 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    986 if v.display: 
    987 File
    988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    989 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    990 return self._any_displayed_positions and len(self._positions) > 0 
    991 TypeError: object of type 'NoneType' has no len() 
    992  
    993 During handling of the above exception, another exception occurred: 
    994  
    995 Traceback (most recent call last): 
    996 File
    997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    998 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    999 if not self.draw_new_frame(): 
    1000 File
    1001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1002 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1003 changed = view.check_for_drawing_change() 
    1004 File
    1005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1006 packages/chimerax/core/graphics/view.py", line 252, in
    1007 check_for_drawing_change 
    1008 trig.activate_trigger('graphics update', self) 
    1009 File
    1010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1011 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1012 trigger.activate(data) 
    1013 File
    1014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1015 packages/chimerax/core/triggerset.py", line 190, in activate 
    1016 ret = handler.invoke(data, self._remove_bad_handlers) 
    1017 File
    1018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1019 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1020 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1021 File
    1022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1023 packages/chimerax/core/session.py", line 943, in <lambda> 
    1024 logger.report_exception(preface=preface)) 
    1025 File
    1026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1027 packages/chimerax/core/logger.py", line 421, in report_exception 
    1028 elif probably_chimera1_session(exc_info): 
    1029 File
    1030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1031 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1032 etype, evalue, etraceback = exc_info 
    1033 TypeError: cannot unpack non-iterable NoneType object 
    1034  
    1035 TypeError: cannot unpack non-iterable NoneType object 
    1036  
    1037 File
    1038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1039 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1040 etype, evalue, etraceback = exc_info 
    1041  
    1042 See log for complete Python traceback. 
    1043  
    1044 Traceback (most recent call last): 
    1045 File
    1046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1047 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1048 return self._func(self._name, data) 
    1049 File
    1050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1051 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1052 if v.display: 
    1053 File
    1054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1055 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1056 return self._any_displayed_positions and len(self._positions) > 0 
    1057 TypeError: object of type 'NoneType' has no len() 
    1058  
    1059 During handling of the above exception, another exception occurred: 
    1060  
    1061 Traceback (most recent call last): 
    1062 File
    1063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1064 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1065 if not self.draw_new_frame(): 
    1066 File
    1067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1068 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1069 changed = view.check_for_drawing_change() 
    1070 File
    1071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1072 packages/chimerax/core/graphics/view.py", line 252, in
    1073 check_for_drawing_change 
    1074 trig.activate_trigger('graphics update', self) 
    1075 File
    1076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1077 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1078 trigger.activate(data) 
    1079 File
    1080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1081 packages/chimerax/core/triggerset.py", line 190, in activate 
    1082 ret = handler.invoke(data, self._remove_bad_handlers) 
    1083 File
    1084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1085 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1086 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1087 File
    1088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1089 packages/chimerax/core/session.py", line 943, in <lambda> 
    1090 logger.report_exception(preface=preface)) 
    1091 File
    1092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1093 packages/chimerax/core/logger.py", line 421, in report_exception 
    1094 elif probably_chimera1_session(exc_info): 
    1095 File
    1096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1097 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1098 etype, evalue, etraceback = exc_info 
    1099 TypeError: cannot unpack non-iterable NoneType object 
    1100  
    1101 TypeError: cannot unpack non-iterable NoneType object 
    1102  
    1103 File
    1104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1105 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1106 etype, evalue, etraceback = exc_info 
    1107  
    1108 See log for complete Python traceback. 
    1109  
    1110 Traceback (most recent call last): 
    1111 File
    1112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1113 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1114 return self._func(self._name, data) 
    1115 File
    1116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1117 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1118 if v.display: 
    1119 File
    1120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1121 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1122 return self._any_displayed_positions and len(self._positions) > 0 
    1123 TypeError: object of type 'NoneType' has no len() 
    1124  
    1125 During handling of the above exception, another exception occurred: 
    1126  
    1127 Traceback (most recent call last): 
    1128 File
    1129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1130 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1131 if not self.draw_new_frame(): 
    1132 File
    1133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1134 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1135 changed = view.check_for_drawing_change() 
    1136 File
    1137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1138 packages/chimerax/core/graphics/view.py", line 252, in
    1139 check_for_drawing_change 
    1140 trig.activate_trigger('graphics update', self) 
    1141 File
    1142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1143 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1144 trigger.activate(data) 
    1145 File
    1146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1147 packages/chimerax/core/triggerset.py", line 190, in activate 
    1148 ret = handler.invoke(data, self._remove_bad_handlers) 
    1149 File
    1150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1151 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1152 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1153 File
    1154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1155 packages/chimerax/core/session.py", line 943, in <lambda> 
    1156 logger.report_exception(preface=preface)) 
    1157 File
    1158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1159 packages/chimerax/core/logger.py", line 421, in report_exception 
    1160 elif probably_chimera1_session(exc_info): 
    1161 File
    1162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1163 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1164 etype, evalue, etraceback = exc_info 
    1165 TypeError: cannot unpack non-iterable NoneType object 
    1166  
    1167 TypeError: cannot unpack non-iterable NoneType object 
    1168  
    1169 File
    1170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1171 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1172 etype, evalue, etraceback = exc_info 
    1173  
    1174 See log for complete Python traceback. 
    1175  
    1176 Traceback (most recent call last): 
    1177 File
    1178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1179 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1180 return self._func(self._name, data) 
    1181 File
    1182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1183 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1184 if v.display: 
    1185 File
    1186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1187 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1188 return self._any_displayed_positions and len(self._positions) > 0 
    1189 TypeError: object of type 'NoneType' has no len() 
    1190  
    1191 During handling of the above exception, another exception occurred: 
    1192  
    1193 Traceback (most recent call last): 
    1194 File
    1195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1196 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1197 if not self.draw_new_frame(): 
    1198 File
    1199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1200 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1201 changed = view.check_for_drawing_change() 
    1202 File
    1203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1204 packages/chimerax/core/graphics/view.py", line 252, in
    1205 check_for_drawing_change 
    1206 trig.activate_trigger('graphics update', self) 
    1207 File
    1208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1209 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1210 trigger.activate(data) 
    1211 File
    1212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1213 packages/chimerax/core/triggerset.py", line 190, in activate 
    1214 ret = handler.invoke(data, self._remove_bad_handlers) 
    1215 File
    1216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1217 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1218 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1219 File
    1220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1221 packages/chimerax/core/session.py", line 943, in <lambda> 
    1222 logger.report_exception(preface=preface)) 
    1223 File
    1224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1225 packages/chimerax/core/logger.py", line 421, in report_exception 
    1226 elif probably_chimera1_session(exc_info): 
    1227 File
    1228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1229 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1230 etype, evalue, etraceback = exc_info 
    1231 TypeError: cannot unpack non-iterable NoneType object 
    1232  
    1233 TypeError: cannot unpack non-iterable NoneType object 
    1234  
    1235 File
    1236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1237 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1238 etype, evalue, etraceback = exc_info 
    1239  
    1240 See log for complete Python traceback. 
    1241  
    1242 Traceback (most recent call last): 
    1243 File
    1244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1245 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1246 return self._func(self._name, data) 
    1247 File
    1248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1249 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1250 if v.display: 
    1251 File
    1252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1253 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1254 return self._any_displayed_positions and len(self._positions) > 0 
    1255 TypeError: object of type 'NoneType' has no len() 
    1256  
    1257 During handling of the above exception, another exception occurred: 
    1258  
    1259 Traceback (most recent call last): 
    1260 File
    1261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1262 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1263 if not self.draw_new_frame(): 
    1264 File
    1265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1266 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1267 changed = view.check_for_drawing_change() 
    1268 File
    1269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1270 packages/chimerax/core/graphics/view.py", line 252, in
    1271 check_for_drawing_change 
    1272 trig.activate_trigger('graphics update', self) 
    1273 File
    1274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1275 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1276 trigger.activate(data) 
    1277 File
    1278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1279 packages/chimerax/core/triggerset.py", line 190, in activate 
    1280 ret = handler.invoke(data, self._remove_bad_handlers) 
    1281 File
    1282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1283 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1284 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1285 File
    1286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1287 packages/chimerax/core/session.py", line 943, in <lambda> 
    1288 logger.report_exception(preface=preface)) 
    1289 File
    1290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1291 packages/chimerax/core/logger.py", line 421, in report_exception 
    1292 elif probably_chimera1_session(exc_info): 
    1293 File
    1294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1295 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1296 etype, evalue, etraceback = exc_info 
    1297 TypeError: cannot unpack non-iterable NoneType object 
    1298  
    1299 TypeError: cannot unpack non-iterable NoneType object 
    1300  
    1301 File
    1302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1303 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1304 etype, evalue, etraceback = exc_info 
    1305  
    1306 See log for complete Python traceback. 
    1307  
    1308 Traceback (most recent call last): 
    1309 File
    1310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1311 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1312 return self._func(self._name, data) 
    1313 File
    1314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1315 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1316 if v.display: 
    1317 File
    1318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1319 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1320 return self._any_displayed_positions and len(self._positions) > 0 
    1321 TypeError: object of type 'NoneType' has no len() 
    1322  
    1323 During handling of the above exception, another exception occurred: 
    1324  
    1325 Traceback (most recent call last): 
    1326 File
    1327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1328 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1329 if not self.draw_new_frame(): 
    1330 File
    1331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1332 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1333 changed = view.check_for_drawing_change() 
    1334 File
    1335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1336 packages/chimerax/core/graphics/view.py", line 252, in
    1337 check_for_drawing_change 
    1338 trig.activate_trigger('graphics update', self) 
    1339 File
    1340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1341 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1342 trigger.activate(data) 
    1343 File
    1344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1345 packages/chimerax/core/triggerset.py", line 190, in activate 
    1346 ret = handler.invoke(data, self._remove_bad_handlers) 
    1347 File
    1348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1349 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1350 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1351 File
    1352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1353 packages/chimerax/core/session.py", line 943, in <lambda> 
    1354 logger.report_exception(preface=preface)) 
    1355 File
    1356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1357 packages/chimerax/core/logger.py", line 421, in report_exception 
    1358 elif probably_chimera1_session(exc_info): 
    1359 File
    1360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1361 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1362 etype, evalue, etraceback = exc_info 
    1363 TypeError: cannot unpack non-iterable NoneType object 
    1364  
    1365 TypeError: cannot unpack non-iterable NoneType object 
    1366  
    1367 File
    1368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1369 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1370 etype, evalue, etraceback = exc_info 
    1371  
    1372 See log for complete Python traceback. 
    1373  
    1374 Traceback (most recent call last): 
    1375 File
    1376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1377 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1378 return self._func(self._name, data) 
    1379 File
    1380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1381 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1382 if v.display: 
    1383 File
    1384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1385 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1386 return self._any_displayed_positions and len(self._positions) > 0 
    1387 TypeError: object of type 'NoneType' has no len() 
    1388  
    1389 During handling of the above exception, another exception occurred: 
    1390  
    1391 Traceback (most recent call last): 
    1392 File
    1393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1394 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1395 if not self.draw_new_frame(): 
    1396 File
    1397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1398 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1399 changed = view.check_for_drawing_change() 
    1400 File
    1401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1402 packages/chimerax/core/graphics/view.py", line 252, in
    1403 check_for_drawing_change 
    1404 trig.activate_trigger('graphics update', self) 
    1405 File
    1406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1407 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1408 trigger.activate(data) 
    1409 File
    1410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1411 packages/chimerax/core/triggerset.py", line 190, in activate 
    1412 ret = handler.invoke(data, self._remove_bad_handlers) 
    1413 File
    1414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1415 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1416 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1417 File
    1418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1419 packages/chimerax/core/session.py", line 943, in <lambda> 
    1420 logger.report_exception(preface=preface)) 
    1421 File
    1422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1423 packages/chimerax/core/logger.py", line 421, in report_exception 
    1424 elif probably_chimera1_session(exc_info): 
    1425 File
    1426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1427 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1428 etype, evalue, etraceback = exc_info 
    1429 TypeError: cannot unpack non-iterable NoneType object 
    1430  
    1431 TypeError: cannot unpack non-iterable NoneType object 
    1432  
    1433 File
    1434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1435 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1436 etype, evalue, etraceback = exc_info 
    1437  
    1438 See log for complete Python traceback. 
    1439  
    1440 Traceback (most recent call last): 
    1441 File
    1442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1443 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1444 return self._func(self._name, data) 
    1445 File
    1446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1447 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1448 if v.display: 
    1449 File
    1450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1451 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1452 return self._any_displayed_positions and len(self._positions) > 0 
    1453 TypeError: object of type 'NoneType' has no len() 
    1454  
    1455 During handling of the above exception, another exception occurred: 
    1456  
    1457 Traceback (most recent call last): 
    1458 File
    1459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1460 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1461 if not self.draw_new_frame(): 
    1462 File
    1463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1464 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1465 changed = view.check_for_drawing_change() 
    1466 File
    1467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1468 packages/chimerax/core/graphics/view.py", line 252, in
    1469 check_for_drawing_change 
    1470 trig.activate_trigger('graphics update', self) 
    1471 File
    1472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1473 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1474 trigger.activate(data) 
    1475 File
    1476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1477 packages/chimerax/core/triggerset.py", line 190, in activate 
    1478 ret = handler.invoke(data, self._remove_bad_handlers) 
    1479 File
    1480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1481 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1482 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1483 File
    1484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1485 packages/chimerax/core/session.py", line 943, in <lambda> 
    1486 logger.report_exception(preface=preface)) 
    1487 File
    1488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1489 packages/chimerax/core/logger.py", line 421, in report_exception 
    1490 elif probably_chimera1_session(exc_info): 
    1491 File
    1492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1493 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1494 etype, evalue, etraceback = exc_info 
    1495 TypeError: cannot unpack non-iterable NoneType object 
    1496  
    1497 TypeError: cannot unpack non-iterable NoneType object 
    1498  
    1499 File
    1500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1501 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1502 etype, evalue, etraceback = exc_info 
    1503  
    1504 See log for complete Python traceback. 
    1505  
    1506 Traceback (most recent call last): 
    1507 File
    1508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1509 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1510 return self._func(self._name, data) 
    1511 File
    1512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1513 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1514 if v.display: 
    1515 File
    1516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1517 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1518 return self._any_displayed_positions and len(self._positions) > 0 
    1519 TypeError: object of type 'NoneType' has no len() 
    1520  
    1521 During handling of the above exception, another exception occurred: 
    1522  
    1523 Traceback (most recent call last): 
    1524 File
    1525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1526 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1527 if not self.draw_new_frame(): 
    1528 File
    1529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1530 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1531 changed = view.check_for_drawing_change() 
    1532 File
    1533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1534 packages/chimerax/core/graphics/view.py", line 252, in
    1535 check_for_drawing_change 
    1536 trig.activate_trigger('graphics update', self) 
    1537 File
    1538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1539 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1540 trigger.activate(data) 
    1541 File
    1542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1543 packages/chimerax/core/triggerset.py", line 190, in activate 
    1544 ret = handler.invoke(data, self._remove_bad_handlers) 
    1545 File
    1546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1547 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1548 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1549 File
    1550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1551 packages/chimerax/core/session.py", line 943, in <lambda> 
    1552 logger.report_exception(preface=preface)) 
    1553 File
    1554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1555 packages/chimerax/core/logger.py", line 421, in report_exception 
    1556 elif probably_chimera1_session(exc_info): 
    1557 File
    1558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1559 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1560 etype, evalue, etraceback = exc_info 
    1561 TypeError: cannot unpack non-iterable NoneType object 
    1562  
    1563 TypeError: cannot unpack non-iterable NoneType object 
    1564  
    1565 File
    1566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1567 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1568 etype, evalue, etraceback = exc_info 
    1569  
    1570 See log for complete Python traceback. 
    1571  
    1572 Traceback (most recent call last): 
    1573 File
    1574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1575 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1576 return self._func(self._name, data) 
    1577 File
    1578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1579 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1580 if v.display: 
    1581 File
    1582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1583 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1584 return self._any_displayed_positions and len(self._positions) > 0 
    1585 TypeError: object of type 'NoneType' has no len() 
    1586  
    1587 During handling of the above exception, another exception occurred: 
    1588  
    1589 Traceback (most recent call last): 
    1590 File
    1591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1592 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1593 if not self.draw_new_frame(): 
    1594 File
    1595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1596 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1597 changed = view.check_for_drawing_change() 
    1598 File
    1599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1600 packages/chimerax/core/graphics/view.py", line 252, in
    1601 check_for_drawing_change 
    1602 trig.activate_trigger('graphics update', self) 
    1603 File
    1604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1605 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1606 trigger.activate(data) 
    1607 File
    1608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1609 packages/chimerax/core/triggerset.py", line 190, in activate 
    1610 ret = handler.invoke(data, self._remove_bad_handlers) 
    1611 File
    1612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1613 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1614 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1615 File
    1616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1617 packages/chimerax/core/session.py", line 943, in <lambda> 
    1618 logger.report_exception(preface=preface)) 
    1619 File
    1620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1621 packages/chimerax/core/logger.py", line 421, in report_exception 
    1622 elif probably_chimera1_session(exc_info): 
    1623 File
    1624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1625 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1626 etype, evalue, etraceback = exc_info 
    1627 TypeError: cannot unpack non-iterable NoneType object 
    1628  
    1629 TypeError: cannot unpack non-iterable NoneType object 
    1630  
    1631 File
    1632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1633 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1634 etype, evalue, etraceback = exc_info 
    1635  
    1636 See log for complete Python traceback. 
    1637  
    1638 Traceback (most recent call last): 
    1639 File
    1640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1641 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1642 return self._func(self._name, data) 
    1643 File
    1644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1645 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1646 if v.display: 
    1647 File
    1648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1649 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1650 return self._any_displayed_positions and len(self._positions) > 0 
    1651 TypeError: object of type 'NoneType' has no len() 
    1652  
    1653 During handling of the above exception, another exception occurred: 
    1654  
    1655 Traceback (most recent call last): 
    1656 File
    1657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1658 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1659 if not self.draw_new_frame(): 
    1660 File
    1661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1662 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1663 changed = view.check_for_drawing_change() 
    1664 File
    1665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1666 packages/chimerax/core/graphics/view.py", line 252, in
    1667 check_for_drawing_change 
    1668 trig.activate_trigger('graphics update', self) 
    1669 File
    1670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1671 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1672 trigger.activate(data) 
    1673 File
    1674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1675 packages/chimerax/core/triggerset.py", line 190, in activate 
    1676 ret = handler.invoke(data, self._remove_bad_handlers) 
    1677 File
    1678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1679 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1680 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1681 File
    1682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1683 packages/chimerax/core/session.py", line 943, in <lambda> 
    1684 logger.report_exception(preface=preface)) 
    1685 File
    1686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1687 packages/chimerax/core/logger.py", line 421, in report_exception 
    1688 elif probably_chimera1_session(exc_info): 
    1689 File
    1690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1691 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1692 etype, evalue, etraceback = exc_info 
    1693 TypeError: cannot unpack non-iterable NoneType object 
    1694  
    1695 TypeError: cannot unpack non-iterable NoneType object 
    1696  
    1697 File
    1698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1699 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1700 etype, evalue, etraceback = exc_info 
    1701  
    1702 See log for complete Python traceback. 
    1703  
    1704 Traceback (most recent call last): 
    1705 File
    1706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1707 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1708 return self._func(self._name, data) 
    1709 File
    1710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1711 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1712 if v.display: 
    1713 File
    1714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1715 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1716 return self._any_displayed_positions and len(self._positions) > 0 
    1717 TypeError: object of type 'NoneType' has no len() 
    1718  
    1719 During handling of the above exception, another exception occurred: 
    1720  
    1721 Traceback (most recent call last): 
    1722 File
    1723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1724 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1725 if not self.draw_new_frame(): 
    1726 File
    1727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1728 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1729 changed = view.check_for_drawing_change() 
    1730 File
    1731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1732 packages/chimerax/core/graphics/view.py", line 252, in
    1733 check_for_drawing_change 
    1734 trig.activate_trigger('graphics update', self) 
    1735 File
    1736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1737 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1738 trigger.activate(data) 
    1739 File
    1740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1741 packages/chimerax/core/triggerset.py", line 190, in activate 
    1742 ret = handler.invoke(data, self._remove_bad_handlers) 
    1743 File
    1744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1745 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1746 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1747 File
    1748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1749 packages/chimerax/core/session.py", line 943, in <lambda> 
    1750 logger.report_exception(preface=preface)) 
    1751 File
    1752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1753 packages/chimerax/core/logger.py", line 421, in report_exception 
    1754 elif probably_chimera1_session(exc_info): 
    1755 File
    1756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1757 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1758 etype, evalue, etraceback = exc_info 
    1759 TypeError: cannot unpack non-iterable NoneType object 
    1760  
    1761 TypeError: cannot unpack non-iterable NoneType object 
    1762  
    1763 File
    1764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1765 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1766 etype, evalue, etraceback = exc_info 
    1767  
    1768 See log for complete Python traceback. 
    1769  
    1770 Traceback (most recent call last): 
    1771 File
    1772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1773 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1774 return self._func(self._name, data) 
    1775 File
    1776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1777 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1778 if v.display: 
    1779 File
    1780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1781 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1782 return self._any_displayed_positions and len(self._positions) > 0 
    1783 TypeError: object of type 'NoneType' has no len() 
    1784  
    1785 During handling of the above exception, another exception occurred: 
    1786  
    1787 Traceback (most recent call last): 
    1788 File
    1789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1790 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1791 if not self.draw_new_frame(): 
    1792 File
    1793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1794 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1795 changed = view.check_for_drawing_change() 
    1796 File
    1797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1798 packages/chimerax/core/graphics/view.py", line 252, in
    1799 check_for_drawing_change 
    1800 trig.activate_trigger('graphics update', self) 
    1801 File
    1802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1803 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1804 trigger.activate(data) 
    1805 File
    1806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1807 packages/chimerax/core/triggerset.py", line 190, in activate 
    1808 ret = handler.invoke(data, self._remove_bad_handlers) 
    1809 File
    1810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1811 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1812 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1813 File
    1814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1815 packages/chimerax/core/session.py", line 943, in <lambda> 
    1816 logger.report_exception(preface=preface)) 
    1817 File
    1818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1819 packages/chimerax/core/logger.py", line 421, in report_exception 
    1820 elif probably_chimera1_session(exc_info): 
    1821 File
    1822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1823 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1824 etype, evalue, etraceback = exc_info 
    1825 TypeError: cannot unpack non-iterable NoneType object 
    1826  
    1827 TypeError: cannot unpack non-iterable NoneType object 
    1828  
    1829 File
    1830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1831 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1832 etype, evalue, etraceback = exc_info 
    1833  
    1834 See log for complete Python traceback. 
    1835  
    1836 Traceback (most recent call last): 
    1837 File
    1838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1839 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1840 return self._func(self._name, data) 
    1841 File
    1842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1843 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1844 if v.display: 
    1845 File
    1846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1847 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1848 return self._any_displayed_positions and len(self._positions) > 0 
    1849 TypeError: object of type 'NoneType' has no len() 
    1850  
    1851 During handling of the above exception, another exception occurred: 
    1852  
    1853 Traceback (most recent call last): 
    1854 File
    1855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1856 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1857 if not self.draw_new_frame(): 
    1858 File
    1859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1860 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1861 changed = view.check_for_drawing_change() 
    1862 File
    1863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1864 packages/chimerax/core/graphics/view.py", line 252, in
    1865 check_for_drawing_change 
    1866 trig.activate_trigger('graphics update', self) 
    1867 File
    1868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1869 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1870 trigger.activate(data) 
    1871 File
    1872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1873 packages/chimerax/core/triggerset.py", line 190, in activate 
    1874 ret = handler.invoke(data, self._remove_bad_handlers) 
    1875 File
    1876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1877 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1878 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1879 File
    1880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1881 packages/chimerax/core/session.py", line 943, in <lambda> 
    1882 logger.report_exception(preface=preface)) 
    1883 File
    1884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1885 packages/chimerax/core/logger.py", line 421, in report_exception 
    1886 elif probably_chimera1_session(exc_info): 
    1887 File
    1888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1889 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1890 etype, evalue, etraceback = exc_info 
    1891 TypeError: cannot unpack non-iterable NoneType object 
    1892  
    1893 TypeError: cannot unpack non-iterable NoneType object 
    1894  
    1895 File
    1896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1897 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1898 etype, evalue, etraceback = exc_info 
    1899  
    1900 See log for complete Python traceback. 
    1901  
    1902 Traceback (most recent call last): 
    1903 File
    1904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1905 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1906 return self._func(self._name, data) 
    1907 File
    1908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1909 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1910 if v.display: 
    1911 File
    1912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1913 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1914 return self._any_displayed_positions and len(self._positions) > 0 
    1915 TypeError: object of type 'NoneType' has no len() 
    1916  
    1917 During handling of the above exception, another exception occurred: 
    1918  
    1919 Traceback (most recent call last): 
    1920 File
    1921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1922 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1923 if not self.draw_new_frame(): 
    1924 File
    1925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1926 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1927 changed = view.check_for_drawing_change() 
    1928 File
    1929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1930 packages/chimerax/core/graphics/view.py", line 252, in
    1931 check_for_drawing_change 
    1932 trig.activate_trigger('graphics update', self) 
    1933 File
    1934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1935 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1936 trigger.activate(data) 
    1937 File
    1938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1939 packages/chimerax/core/triggerset.py", line 190, in activate 
    1940 ret = handler.invoke(data, self._remove_bad_handlers) 
    1941 File
    1942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1943 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1944 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1945 File
    1946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1947 packages/chimerax/core/session.py", line 943, in <lambda> 
    1948 logger.report_exception(preface=preface)) 
    1949 File
    1950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1951 packages/chimerax/core/logger.py", line 421, in report_exception 
    1952 elif probably_chimera1_session(exc_info): 
    1953 File
    1954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1955 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1956 etype, evalue, etraceback = exc_info 
    1957 TypeError: cannot unpack non-iterable NoneType object 
    1958  
    1959 TypeError: cannot unpack non-iterable NoneType object 
    1960  
    1961 File
    1962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1963 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1964 etype, evalue, etraceback = exc_info 
    1965  
    1966 See log for complete Python traceback. 
    1967  
    1968 Traceback (most recent call last): 
    1969 File
    1970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1971 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1972 return self._func(self._name, data) 
    1973 File
    1974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1975 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1976 if v.display: 
    1977 File
    1978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1979 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1980 return self._any_displayed_positions and len(self._positions) > 0 
    1981 TypeError: object of type 'NoneType' has no len() 
    1982  
    1983 During handling of the above exception, another exception occurred: 
    1984  
    1985 Traceback (most recent call last): 
    1986 File
    1987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1988 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1989 if not self.draw_new_frame(): 
    1990 File
    1991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1992 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1993 changed = view.check_for_drawing_change() 
    1994 File
    1995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1996 packages/chimerax/core/graphics/view.py", line 252, in
    1997 check_for_drawing_change 
    1998 trig.activate_trigger('graphics update', self) 
    1999 File
    2000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2001 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2002 trigger.activate(data) 
    2003 File
    2004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2005 packages/chimerax/core/triggerset.py", line 190, in activate 
    2006 ret = handler.invoke(data, self._remove_bad_handlers) 
    2007 File
    2008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2009 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2010 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2011 File
    2012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2013 packages/chimerax/core/session.py", line 943, in <lambda> 
    2014 logger.report_exception(preface=preface)) 
    2015 File
    2016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2017 packages/chimerax/core/logger.py", line 421, in report_exception 
    2018 elif probably_chimera1_session(exc_info): 
    2019 File
    2020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2021 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2022 etype, evalue, etraceback = exc_info 
    2023 TypeError: cannot unpack non-iterable NoneType object 
    2024  
    2025 TypeError: cannot unpack non-iterable NoneType object 
    2026  
    2027 File
    2028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2029 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2030 etype, evalue, etraceback = exc_info 
    2031  
    2032 See log for complete Python traceback. 
    2033  
    2034 Traceback (most recent call last): 
    2035 File
    2036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2037 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2038 return self._func(self._name, data) 
    2039 File
    2040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2041 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2042 if v.display: 
    2043 File
    2044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2045 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2046 return self._any_displayed_positions and len(self._positions) > 0 
    2047 TypeError: object of type 'NoneType' has no len() 
    2048  
    2049 During handling of the above exception, another exception occurred: 
    2050  
    2051 Traceback (most recent call last): 
    2052 File
    2053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2054 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2055 if not self.draw_new_frame(): 
    2056 File
    2057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2058 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2059 changed = view.check_for_drawing_change() 
    2060 File
    2061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2062 packages/chimerax/core/graphics/view.py", line 252, in
    2063 check_for_drawing_change 
    2064 trig.activate_trigger('graphics update', self) 
    2065 File
    2066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2067 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2068 trigger.activate(data) 
    2069 File
    2070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2071 packages/chimerax/core/triggerset.py", line 190, in activate 
    2072 ret = handler.invoke(data, self._remove_bad_handlers) 
    2073 File
    2074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2075 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2076 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2077 File
    2078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2079 packages/chimerax/core/session.py", line 943, in <lambda> 
    2080 logger.report_exception(preface=preface)) 
    2081 File
    2082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2083 packages/chimerax/core/logger.py", line 421, in report_exception 
    2084 elif probably_chimera1_session(exc_info): 
    2085 File
    2086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2087 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2088 etype, evalue, etraceback = exc_info 
    2089 TypeError: cannot unpack non-iterable NoneType object 
    2090  
    2091 TypeError: cannot unpack non-iterable NoneType object 
    2092  
    2093 File
    2094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2095 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2096 etype, evalue, etraceback = exc_info 
    2097  
    2098 See log for complete Python traceback. 
    2099  
    2100 Traceback (most recent call last): 
    2101 File
    2102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2103 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2104 return self._func(self._name, data) 
    2105 File
    2106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2107 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2108 if v.display: 
    2109 File
    2110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2111 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2112 return self._any_displayed_positions and len(self._positions) > 0 
    2113 TypeError: object of type 'NoneType' has no len() 
    2114  
    2115 During handling of the above exception, another exception occurred: 
    2116  
    2117 Traceback (most recent call last): 
    2118 File
    2119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2120 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2121 if not self.draw_new_frame(): 
    2122 File
    2123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2124 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2125 changed = view.check_for_drawing_change() 
    2126 File
    2127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2128 packages/chimerax/core/graphics/view.py", line 252, in
    2129 check_for_drawing_change 
    2130 trig.activate_trigger('graphics update', self) 
    2131 File
    2132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2133 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2134 trigger.activate(data) 
    2135 File
    2136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2137 packages/chimerax/core/triggerset.py", line 190, in activate 
    2138 ret = handler.invoke(data, self._remove_bad_handlers) 
    2139 File
    2140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2141 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2142 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2143 File
    2144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2145 packages/chimerax/core/session.py", line 943, in <lambda> 
    2146 logger.report_exception(preface=preface)) 
    2147 File
    2148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2149 packages/chimerax/core/logger.py", line 421, in report_exception 
    2150 elif probably_chimera1_session(exc_info): 
    2151 File
    2152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2153 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2154 etype, evalue, etraceback = exc_info 
    2155 TypeError: cannot unpack non-iterable NoneType object 
    2156  
    2157 TypeError: cannot unpack non-iterable NoneType object 
    2158  
    2159 File
    2160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2161 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2162 etype, evalue, etraceback = exc_info 
    2163  
    2164 See log for complete Python traceback. 
    2165  
    2166 Traceback (most recent call last): 
    2167 File
    2168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2169 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2170 return self._func(self._name, data) 
    2171 File
    2172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2173 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2174 if v.display: 
    2175 File
    2176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2177 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2178 return self._any_displayed_positions and len(self._positions) > 0 
    2179 TypeError: object of type 'NoneType' has no len() 
    2180  
    2181 During handling of the above exception, another exception occurred: 
    2182  
    2183 Traceback (most recent call last): 
    2184 File
    2185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2186 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2187 if not self.draw_new_frame(): 
    2188 File
    2189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2190 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2191 changed = view.check_for_drawing_change() 
    2192 File
    2193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2194 packages/chimerax/core/graphics/view.py", line 252, in
    2195 check_for_drawing_change 
    2196 trig.activate_trigger('graphics update', self) 
    2197 File
    2198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2199 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2200 trigger.activate(data) 
    2201 File
    2202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2203 packages/chimerax/core/triggerset.py", line 190, in activate 
    2204 ret = handler.invoke(data, self._remove_bad_handlers) 
    2205 File
    2206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2207 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2208 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2209 File
    2210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2211 packages/chimerax/core/session.py", line 943, in <lambda> 
    2212 logger.report_exception(preface=preface)) 
    2213 File
    2214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2215 packages/chimerax/core/logger.py", line 421, in report_exception 
    2216 elif probably_chimera1_session(exc_info): 
    2217 File
    2218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2219 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2220 etype, evalue, etraceback = exc_info 
    2221 TypeError: cannot unpack non-iterable NoneType object 
    2222  
    2223 TypeError: cannot unpack non-iterable NoneType object 
    2224  
    2225 File
    2226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2227 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2228 etype, evalue, etraceback = exc_info 
    2229  
    2230 See log for complete Python traceback. 
    2231  
    2232 Traceback (most recent call last): 
    2233 File
    2234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2235 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2236 return self._func(self._name, data) 
    2237 File
    2238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2239 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2240 if v.display: 
    2241 File
    2242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2243 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2244 return self._any_displayed_positions and len(self._positions) > 0 
    2245 TypeError: object of type 'NoneType' has no len() 
    2246  
    2247 During handling of the above exception, another exception occurred: 
    2248  
    2249 Traceback (most recent call last): 
    2250 File
    2251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2252 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2253 if not self.draw_new_frame(): 
    2254 File
    2255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2256 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2257 changed = view.check_for_drawing_change() 
    2258 File
    2259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2260 packages/chimerax/core/graphics/view.py", line 252, in
    2261 check_for_drawing_change 
    2262 trig.activate_trigger('graphics update', self) 
    2263 File
    2264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2265 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2266 trigger.activate(data) 
    2267 File
    2268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2269 packages/chimerax/core/triggerset.py", line 190, in activate 
    2270 ret = handler.invoke(data, self._remove_bad_handlers) 
    2271 File
    2272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2273 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2274 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2275 File
    2276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2277 packages/chimerax/core/session.py", line 943, in <lambda> 
    2278 logger.report_exception(preface=preface)) 
    2279 File
    2280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2281 packages/chimerax/core/logger.py", line 421, in report_exception 
    2282 elif probably_chimera1_session(exc_info): 
    2283 File
    2284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2285 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2286 etype, evalue, etraceback = exc_info 
    2287 TypeError: cannot unpack non-iterable NoneType object 
    2288  
    2289 TypeError: cannot unpack non-iterable NoneType object 
    2290  
    2291 File
    2292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2293 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2294 etype, evalue, etraceback = exc_info 
    2295  
    2296 See log for complete Python traceback. 
    2297  
    2298 Traceback (most recent call last): 
    2299 File
    2300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2301 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2302 return self._func(self._name, data) 
    2303 File
    2304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2305 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2306 if v.display: 
    2307 File
    2308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2309 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2310 return self._any_displayed_positions and len(self._positions) > 0 
    2311 TypeError: object of type 'NoneType' has no len() 
    2312  
    2313 During handling of the above exception, another exception occurred: 
    2314  
    2315 Traceback (most recent call last): 
    2316 File
    2317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2318 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2319 if not self.draw_new_frame(): 
    2320 File
    2321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2322 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2323 changed = view.check_for_drawing_change() 
    2324 File
    2325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2326 packages/chimerax/core/graphics/view.py", line 252, in
    2327 check_for_drawing_change 
    2328 trig.activate_trigger('graphics update', self) 
    2329 File
    2330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2331 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2332 trigger.activate(data) 
    2333 File
    2334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2335 packages/chimerax/core/triggerset.py", line 190, in activate 
    2336 ret = handler.invoke(data, self._remove_bad_handlers) 
    2337 File
    2338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2339 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2340 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2341 File
    2342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2343 packages/chimerax/core/session.py", line 943, in <lambda> 
    2344 logger.report_exception(preface=preface)) 
    2345 File
    2346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2347 packages/chimerax/core/logger.py", line 421, in report_exception 
    2348 elif probably_chimera1_session(exc_info): 
    2349 File
    2350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2351 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2352 etype, evalue, etraceback = exc_info 
    2353 TypeError: cannot unpack non-iterable NoneType object 
    2354  
    2355 TypeError: cannot unpack non-iterable NoneType object 
    2356  
    2357 File
    2358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2359 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2360 etype, evalue, etraceback = exc_info 
    2361  
    2362 See log for complete Python traceback. 
    2363  
    2364 Traceback (most recent call last): 
    2365 File
    2366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2367 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2368 return self._func(self._name, data) 
    2369 File
    2370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2371 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2372 if v.display: 
    2373 File
    2374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2375 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2376 return self._any_displayed_positions and len(self._positions) > 0 
    2377 TypeError: object of type 'NoneType' has no len() 
    2378  
    2379 During handling of the above exception, another exception occurred: 
    2380  
    2381 Traceback (most recent call last): 
    2382 File
    2383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2384 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2385 if not self.draw_new_frame(): 
    2386 File
    2387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2388 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2389 changed = view.check_for_drawing_change() 
    2390 File
    2391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2392 packages/chimerax/core/graphics/view.py", line 252, in
    2393 check_for_drawing_change 
    2394 trig.activate_trigger('graphics update', self) 
    2395 File
    2396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2397 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2398 trigger.activate(data) 
    2399 File
    2400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2401 packages/chimerax/core/triggerset.py", line 190, in activate 
    2402 ret = handler.invoke(data, self._remove_bad_handlers) 
    2403 File
    2404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2405 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2406 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2407 File
    2408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2409 packages/chimerax/core/session.py", line 943, in <lambda> 
    2410 logger.report_exception(preface=preface)) 
    2411 File
    2412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2413 packages/chimerax/core/logger.py", line 421, in report_exception 
    2414 elif probably_chimera1_session(exc_info): 
    2415 File
    2416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2417 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2418 etype, evalue, etraceback = exc_info 
    2419 TypeError: cannot unpack non-iterable NoneType object 
    2420  
    2421 TypeError: cannot unpack non-iterable NoneType object 
    2422  
    2423 File
    2424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2425 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2426 etype, evalue, etraceback = exc_info 
    2427  
    2428 See log for complete Python traceback. 
    2429  
    2430 Traceback (most recent call last): 
    2431 File
    2432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2433 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2434 return self._func(self._name, data) 
    2435 File
    2436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2437 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2438 if v.display: 
    2439 File
    2440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2441 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2442 return self._any_displayed_positions and len(self._positions) > 0 
    2443 TypeError: object of type 'NoneType' has no len() 
    2444  
    2445 During handling of the above exception, another exception occurred: 
    2446  
    2447 Traceback (most recent call last): 
    2448 File
    2449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2450 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2451 if not self.draw_new_frame(): 
    2452 File
    2453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2454 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2455 changed = view.check_for_drawing_change() 
    2456 File
    2457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2458 packages/chimerax/core/graphics/view.py", line 252, in
    2459 check_for_drawing_change 
    2460 trig.activate_trigger('graphics update', self) 
    2461 File
    2462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2463 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2464 trigger.activate(data) 
    2465 File
    2466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2467 packages/chimerax/core/triggerset.py", line 190, in activate 
    2468 ret = handler.invoke(data, self._remove_bad_handlers) 
    2469 File
    2470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2471 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2472 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2473 File
    2474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2475 packages/chimerax/core/session.py", line 943, in <lambda> 
    2476 logger.report_exception(preface=preface)) 
    2477 File
    2478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2479 packages/chimerax/core/logger.py", line 421, in report_exception 
    2480 elif probably_chimera1_session(exc_info): 
    2481 File
    2482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2483 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2484 etype, evalue, etraceback = exc_info 
    2485 TypeError: cannot unpack non-iterable NoneType object 
    2486  
    2487 TypeError: cannot unpack non-iterable NoneType object 
    2488  
    2489 File
    2490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2491 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2492 etype, evalue, etraceback = exc_info 
    2493  
    2494 See log for complete Python traceback. 
    2495  
    2496 Traceback (most recent call last): 
    2497 File
    2498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2499 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2500 return self._func(self._name, data) 
    2501 File
    2502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2503 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2504 if v.display: 
    2505 File
    2506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2507 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2508 return self._any_displayed_positions and len(self._positions) > 0 
    2509 TypeError: object of type 'NoneType' has no len() 
    2510  
    2511 During handling of the above exception, another exception occurred: 
    2512  
    2513 Traceback (most recent call last): 
    2514 File
    2515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2516 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2517 if not self.draw_new_frame(): 
    2518 File
    2519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2520 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2521 changed = view.check_for_drawing_change() 
    2522 File
    2523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2524 packages/chimerax/core/graphics/view.py", line 252, in
    2525 check_for_drawing_change 
    2526 trig.activate_trigger('graphics update', self) 
    2527 File
    2528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2529 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2530 trigger.activate(data) 
    2531 File
    2532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2533 packages/chimerax/core/triggerset.py", line 190, in activate 
    2534 ret = handler.invoke(data, self._remove_bad_handlers) 
    2535 File
    2536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2537 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2538 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2539 File
    2540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2541 packages/chimerax/core/session.py", line 943, in <lambda> 
    2542 logger.report_exception(preface=preface)) 
    2543 File
    2544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2545 packages/chimerax/core/logger.py", line 421, in report_exception 
    2546 elif probably_chimera1_session(exc_info): 
    2547 File
    2548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2549 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2550 etype, evalue, etraceback = exc_info 
    2551 TypeError: cannot unpack non-iterable NoneType object 
    2552  
    2553 TypeError: cannot unpack non-iterable NoneType object 
    2554  
    2555 File
    2556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2557 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2558 etype, evalue, etraceback = exc_info 
    2559  
    2560 See log for complete Python traceback. 
    2561  
    2562 Traceback (most recent call last): 
    2563 File
    2564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2565 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2566 return self._func(self._name, data) 
    2567 File
    2568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2569 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2570 if v.display: 
    2571 File
    2572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2573 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2574 return self._any_displayed_positions and len(self._positions) > 0 
    2575 TypeError: object of type 'NoneType' has no len() 
    2576  
    2577 During handling of the above exception, another exception occurred: 
    2578  
    2579 Traceback (most recent call last): 
    2580 File
    2581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2582 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2583 if not self.draw_new_frame(): 
    2584 File
    2585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2586 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2587 changed = view.check_for_drawing_change() 
    2588 File
    2589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2590 packages/chimerax/core/graphics/view.py", line 252, in
    2591 check_for_drawing_change 
    2592 trig.activate_trigger('graphics update', self) 
    2593 File
    2594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2595 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2596 trigger.activate(data) 
    2597 File
    2598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2599 packages/chimerax/core/triggerset.py", line 190, in activate 
    2600 ret = handler.invoke(data, self._remove_bad_handlers) 
    2601 File
    2602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2603 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2604 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2605 File
    2606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2607 packages/chimerax/core/session.py", line 943, in <lambda> 
    2608 logger.report_exception(preface=preface)) 
    2609 File
    2610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2611 packages/chimerax/core/logger.py", line 421, in report_exception 
    2612 elif probably_chimera1_session(exc_info): 
    2613 File
    2614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2615 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2616 etype, evalue, etraceback = exc_info 
    2617 TypeError: cannot unpack non-iterable NoneType object 
    2618  
    2619 TypeError: cannot unpack non-iterable NoneType object 
    2620  
    2621 File
    2622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2623 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2624 etype, evalue, etraceback = exc_info 
    2625  
    2626 See log for complete Python traceback. 
    2627  
    2628 Traceback (most recent call last): 
    2629 File
    2630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2631 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2632 return self._func(self._name, data) 
    2633 File
    2634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2635 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2636 if v.display: 
    2637 File
    2638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2639 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2640 return self._any_displayed_positions and len(self._positions) > 0 
    2641 TypeError: object of type 'NoneType' has no len() 
    2642  
    2643 During handling of the above exception, another exception occurred: 
    2644  
    2645 Traceback (most recent call last): 
    2646 File
    2647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2648 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2649 if not self.draw_new_frame(): 
    2650 File
    2651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2652 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2653 changed = view.check_for_drawing_change() 
    2654 File
    2655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2656 packages/chimerax/core/graphics/view.py", line 252, in
    2657 check_for_drawing_change 
    2658 trig.activate_trigger('graphics update', self) 
    2659 File
    2660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2661 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2662 trigger.activate(data) 
    2663 File
    2664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2665 packages/chimerax/core/triggerset.py", line 190, in activate 
    2666 ret = handler.invoke(data, self._remove_bad_handlers) 
    2667 File
    2668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2669 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2670 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2671 File
    2672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2673 packages/chimerax/core/session.py", line 943, in <lambda> 
    2674 logger.report_exception(preface=preface)) 
    2675 File
    2676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2677 packages/chimerax/core/logger.py", line 421, in report_exception 
    2678 elif probably_chimera1_session(exc_info): 
    2679 File
    2680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2681 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2682 etype, evalue, etraceback = exc_info 
    2683 TypeError: cannot unpack non-iterable NoneType object 
    2684  
    2685 TypeError: cannot unpack non-iterable NoneType object 
    2686  
    2687 File
    2688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2689 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2690 etype, evalue, etraceback = exc_info 
    2691  
    2692 See log for complete Python traceback. 
    2693  
    2694 Traceback (most recent call last): 
    2695 File
    2696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2697 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2698 return self._func(self._name, data) 
    2699 File
    2700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2701 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2702 if v.display: 
    2703 File
    2704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2705 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2706 return self._any_displayed_positions and len(self._positions) > 0 
    2707 TypeError: object of type 'NoneType' has no len() 
    2708  
    2709 During handling of the above exception, another exception occurred: 
    2710  
    2711 Traceback (most recent call last): 
    2712 File
    2713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2714 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2715 if not self.draw_new_frame(): 
    2716 File
    2717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2718 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2719 changed = view.check_for_drawing_change() 
    2720 File
    2721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2722 packages/chimerax/core/graphics/view.py", line 252, in
    2723 check_for_drawing_change 
    2724 trig.activate_trigger('graphics update', self) 
    2725 File
    2726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2727 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2728 trigger.activate(data) 
    2729 File
    2730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2731 packages/chimerax/core/triggerset.py", line 190, in activate 
    2732 ret = handler.invoke(data, self._remove_bad_handlers) 
    2733 File
    2734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2735 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2736 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2737 File
    2738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2739 packages/chimerax/core/session.py", line 943, in <lambda> 
    2740 logger.report_exception(preface=preface)) 
    2741 File
    2742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2743 packages/chimerax/core/logger.py", line 421, in report_exception 
    2744 elif probably_chimera1_session(exc_info): 
    2745 File
    2746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2747 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2748 etype, evalue, etraceback = exc_info 
    2749 TypeError: cannot unpack non-iterable NoneType object 
    2750  
    2751 TypeError: cannot unpack non-iterable NoneType object 
    2752  
    2753 File
    2754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2755 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2756 etype, evalue, etraceback = exc_info 
    2757  
    2758 See log for complete Python traceback. 
    2759  
    2760 Traceback (most recent call last): 
    2761 File
    2762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2763 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2764 return self._func(self._name, data) 
    2765 File
    2766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2767 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2768 if v.display: 
    2769 File
    2770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2771 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2772 return self._any_displayed_positions and len(self._positions) > 0 
    2773 TypeError: object of type 'NoneType' has no len() 
    2774  
    2775 During handling of the above exception, another exception occurred: 
    2776  
    2777 Traceback (most recent call last): 
    2778 File
    2779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2780 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2781 if not self.draw_new_frame(): 
    2782 File
    2783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2784 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2785 changed = view.check_for_drawing_change() 
    2786 File
    2787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2788 packages/chimerax/core/graphics/view.py", line 252, in
    2789 check_for_drawing_change 
    2790 trig.activate_trigger('graphics update', self) 
    2791 File
    2792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2793 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2794 trigger.activate(data) 
    2795 File
    2796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2797 packages/chimerax/core/triggerset.py", line 190, in activate 
    2798 ret = handler.invoke(data, self._remove_bad_handlers) 
    2799 File
    2800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2801 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2802 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2803 File
    2804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2805 packages/chimerax/core/session.py", line 943, in <lambda> 
    2806 logger.report_exception(preface=preface)) 
    2807 File
    2808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2809 packages/chimerax/core/logger.py", line 421, in report_exception 
    2810 elif probably_chimera1_session(exc_info): 
    2811 File
    2812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2813 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2814 etype, evalue, etraceback = exc_info 
    2815 TypeError: cannot unpack non-iterable NoneType object 
    2816  
    2817 TypeError: cannot unpack non-iterable NoneType object 
    2818  
    2819 File
    2820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2821 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2822 etype, evalue, etraceback = exc_info 
    2823  
    2824 See log for complete Python traceback. 
    2825  
    2826 Traceback (most recent call last): 
    2827 File
    2828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2829 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2830 return self._func(self._name, data) 
    2831 File
    2832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2833 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2834 if v.display: 
    2835 File
    2836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2837 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2838 return self._any_displayed_positions and len(self._positions) > 0 
    2839 TypeError: object of type 'NoneType' has no len() 
    2840  
    2841 During handling of the above exception, another exception occurred: 
    2842  
    2843 Traceback (most recent call last): 
    2844 File
    2845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2846 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2847 if not self.draw_new_frame(): 
    2848 File
    2849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2850 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2851 changed = view.check_for_drawing_change() 
    2852 File
    2853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2854 packages/chimerax/core/graphics/view.py", line 252, in
    2855 check_for_drawing_change 
    2856 trig.activate_trigger('graphics update', self) 
    2857 File
    2858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2859 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2860 trigger.activate(data) 
    2861 File
    2862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2863 packages/chimerax/core/triggerset.py", line 190, in activate 
    2864 ret = handler.invoke(data, self._remove_bad_handlers) 
    2865 File
    2866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2867 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2868 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2869 File
    2870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2871 packages/chimerax/core/session.py", line 943, in <lambda> 
    2872 logger.report_exception(preface=preface)) 
    2873 File
    2874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2875 packages/chimerax/core/logger.py", line 421, in report_exception 
    2876 elif probably_chimera1_session(exc_info): 
    2877 File
    2878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2879 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2880 etype, evalue, etraceback = exc_info 
    2881 TypeError: cannot unpack non-iterable NoneType object 
    2882  
    2883 TypeError: cannot unpack non-iterable NoneType object 
    2884  
    2885 File
    2886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2887 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2888 etype, evalue, etraceback = exc_info 
    2889  
    2890 See log for complete Python traceback. 
    2891  
    2892 Traceback (most recent call last): 
    2893 File
    2894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2895 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2896 return self._func(self._name, data) 
    2897 File
    2898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2899 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2900 if v.display: 
    2901 File
    2902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2903 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2904 return self._any_displayed_positions and len(self._positions) > 0 
    2905 TypeError: object of type 'NoneType' has no len() 
    2906  
    2907 During handling of the above exception, another exception occurred: 
    2908  
    2909 Traceback (most recent call last): 
    2910 File
    2911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2912 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2913 if not self.draw_new_frame(): 
    2914 File
    2915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2916 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2917 changed = view.check_for_drawing_change() 
    2918 File
    2919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2920 packages/chimerax/core/graphics/view.py", line 252, in
    2921 check_for_drawing_change 
    2922 trig.activate_trigger('graphics update', self) 
    2923 File
    2924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2925 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2926 trigger.activate(data) 
    2927 File
    2928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2929 packages/chimerax/core/triggerset.py", line 190, in activate 
    2930 ret = handler.invoke(data, self._remove_bad_handlers) 
    2931 File
    2932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2933 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2934 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2935 File
    2936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2937 packages/chimerax/core/session.py", line 943, in <lambda> 
    2938 logger.report_exception(preface=preface)) 
    2939 File
    2940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2941 packages/chimerax/core/logger.py", line 421, in report_exception 
    2942 elif probably_chimera1_session(exc_info): 
    2943 File
    2944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2945 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2946 etype, evalue, etraceback = exc_info 
    2947 TypeError: cannot unpack non-iterable NoneType object 
    2948  
    2949 TypeError: cannot unpack non-iterable NoneType object 
    2950  
    2951 File
    2952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2953 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2954 etype, evalue, etraceback = exc_info 
    2955  
    2956 See log for complete Python traceback. 
    2957  
    2958 Traceback (most recent call last): 
    2959 File
    2960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2961 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2962 return self._func(self._name, data) 
    2963 File
    2964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2965 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2966 if v.display: 
    2967 File
    2968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2969 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2970 return self._any_displayed_positions and len(self._positions) > 0 
    2971 TypeError: object of type 'NoneType' has no len() 
    2972  
    2973 During handling of the above exception, another exception occurred: 
    2974  
    2975 Traceback (most recent call last): 
    2976 File
    2977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2978 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2979 if not self.draw_new_frame(): 
    2980 File
    2981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2982 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2983 changed = view.check_for_drawing_change() 
    2984 File
    2985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2986 packages/chimerax/core/graphics/view.py", line 252, in
    2987 check_for_drawing_change 
    2988 trig.activate_trigger('graphics update', self) 
    2989 File
    2990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2991 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2992 trigger.activate(data) 
    2993 File
    2994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2995 packages/chimerax/core/triggerset.py", line 190, in activate 
    2996 ret = handler.invoke(data, self._remove_bad_handlers) 
    2997 File
    2998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2999 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3000 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3001 File
    3002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3003 packages/chimerax/core/session.py", line 943, in <lambda> 
    3004 logger.report_exception(preface=preface)) 
    3005 File
    3006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3007 packages/chimerax/core/logger.py", line 421, in report_exception 
    3008 elif probably_chimera1_session(exc_info): 
    3009 File
    3010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3011 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3012 etype, evalue, etraceback = exc_info 
    3013 TypeError: cannot unpack non-iterable NoneType object 
    3014  
    3015 TypeError: cannot unpack non-iterable NoneType object 
    3016  
    3017 File
    3018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3019 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3020 etype, evalue, etraceback = exc_info 
    3021  
    3022 See log for complete Python traceback. 
    3023  
    3024 Traceback (most recent call last): 
    3025 File
    3026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3027 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3028 return self._func(self._name, data) 
    3029 File
    3030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3031 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3032 if v.display: 
    3033 File
    3034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3035 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3036 return self._any_displayed_positions and len(self._positions) > 0 
    3037 TypeError: object of type 'NoneType' has no len() 
    3038  
    3039 During handling of the above exception, another exception occurred: 
    3040  
    3041 Traceback (most recent call last): 
    3042 File
    3043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3044 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3045 if not self.draw_new_frame(): 
    3046 File
    3047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3048 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3049 changed = view.check_for_drawing_change() 
    3050 File
    3051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3052 packages/chimerax/core/graphics/view.py", line 252, in
    3053 check_for_drawing_change 
    3054 trig.activate_trigger('graphics update', self) 
    3055 File
    3056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3057 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3058 trigger.activate(data) 
    3059 File
    3060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3061 packages/chimerax/core/triggerset.py", line 190, in activate 
    3062 ret = handler.invoke(data, self._remove_bad_handlers) 
    3063 File
    3064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3065 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3066 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3067 File
    3068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3069 packages/chimerax/core/session.py", line 943, in <lambda> 
    3070 logger.report_exception(preface=preface)) 
    3071 File
    3072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3073 packages/chimerax/core/logger.py", line 421, in report_exception 
    3074 elif probably_chimera1_session(exc_info): 
    3075 File
    3076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3077 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3078 etype, evalue, etraceback = exc_info 
    3079 TypeError: cannot unpack non-iterable NoneType object 
    3080  
    3081 TypeError: cannot unpack non-iterable NoneType object 
    3082  
    3083 File
    3084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3085 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3086 etype, evalue, etraceback = exc_info 
    3087  
    3088 See log for complete Python traceback. 
    3089  
    3090 Traceback (most recent call last): 
    3091 File
    3092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3093 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3094 return self._func(self._name, data) 
    3095 File
    3096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3097 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3098 if v.display: 
    3099 File
    3100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3101 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3102 return self._any_displayed_positions and len(self._positions) > 0 
    3103 TypeError: object of type 'NoneType' has no len() 
    3104  
    3105 During handling of the above exception, another exception occurred: 
    3106  
    3107 Traceback (most recent call last): 
    3108 File
    3109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3110 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3111 if not self.draw_new_frame(): 
    3112 File
    3113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3114 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3115 changed = view.check_for_drawing_change() 
    3116 File
    3117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3118 packages/chimerax/core/graphics/view.py", line 252, in
    3119 check_for_drawing_change 
    3120 trig.activate_trigger('graphics update', self) 
    3121 File
    3122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3123 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3124 trigger.activate(data) 
    3125 File
    3126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3127 packages/chimerax/core/triggerset.py", line 190, in activate 
    3128 ret = handler.invoke(data, self._remove_bad_handlers) 
    3129 File
    3130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3131 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3132 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3133 File
    3134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3135 packages/chimerax/core/session.py", line 943, in <lambda> 
    3136 logger.report_exception(preface=preface)) 
    3137 File
    3138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3139 packages/chimerax/core/logger.py", line 421, in report_exception 
    3140 elif probably_chimera1_session(exc_info): 
    3141 File
    3142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3143 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3144 etype, evalue, etraceback = exc_info 
    3145 TypeError: cannot unpack non-iterable NoneType object 
    3146  
    3147 TypeError: cannot unpack non-iterable NoneType object 
    3148  
    3149 File
    3150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3151 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3152 etype, evalue, etraceback = exc_info 
    3153  
    3154 See log for complete Python traceback. 
    3155  
    3156 Traceback (most recent call last): 
    3157 File
    3158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3159 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3160 return self._func(self._name, data) 
    3161 File
    3162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3163 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3164 if v.display: 
    3165 File
    3166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3167 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3168 return self._any_displayed_positions and len(self._positions) > 0 
    3169 TypeError: object of type 'NoneType' has no len() 
    3170  
    3171 During handling of the above exception, another exception occurred: 
    3172  
    3173 Traceback (most recent call last): 
    3174 File
    3175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3176 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3177 if not self.draw_new_frame(): 
    3178 File
    3179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3180 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3181 changed = view.check_for_drawing_change() 
    3182 File
    3183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3184 packages/chimerax/core/graphics/view.py", line 252, in
    3185 check_for_drawing_change 
    3186 trig.activate_trigger('graphics update', self) 
    3187 File
    3188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3189 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3190 trigger.activate(data) 
    3191 File
    3192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3193 packages/chimerax/core/triggerset.py", line 190, in activate 
    3194 ret = handler.invoke(data, self._remove_bad_handlers) 
    3195 File
    3196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3197 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3198 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3199 File
    3200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3201 packages/chimerax/core/session.py", line 943, in <lambda> 
    3202 logger.report_exception(preface=preface)) 
    3203 File
    3204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3205 packages/chimerax/core/logger.py", line 421, in report_exception 
    3206 elif probably_chimera1_session(exc_info): 
    3207 File
    3208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3209 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3210 etype, evalue, etraceback = exc_info 
    3211 TypeError: cannot unpack non-iterable NoneType object 
    3212  
    3213 TypeError: cannot unpack non-iterable NoneType object 
    3214  
    3215 File
    3216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3217 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3218 etype, evalue, etraceback = exc_info 
    3219  
    3220 See log for complete Python traceback. 
    3221  
    3222 Traceback (most recent call last): 
    3223 File
    3224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3225 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3226 return self._func(self._name, data) 
    3227 File
    3228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3229 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3230 if v.display: 
    3231 File
    3232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3233 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3234 return self._any_displayed_positions and len(self._positions) > 0 
    3235 TypeError: object of type 'NoneType' has no len() 
    3236  
    3237 During handling of the above exception, another exception occurred: 
    3238  
    3239 Traceback (most recent call last): 
    3240 File
    3241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3242 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3243 if not self.draw_new_frame(): 
    3244 File
    3245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3246 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3247 changed = view.check_for_drawing_change() 
    3248 File
    3249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3250 packages/chimerax/core/graphics/view.py", line 252, in
    3251 check_for_drawing_change 
    3252 trig.activate_trigger('graphics update', self) 
    3253 File
    3254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3255 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3256 trigger.activate(data) 
    3257 File
    3258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3259 packages/chimerax/core/triggerset.py", line 190, in activate 
    3260 ret = handler.invoke(data, self._remove_bad_handlers) 
    3261 File
    3262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3263 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3264 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3265 File
    3266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3267 packages/chimerax/core/session.py", line 943, in <lambda> 
    3268 logger.report_exception(preface=preface)) 
    3269 File
    3270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3271 packages/chimerax/core/logger.py", line 421, in report_exception 
    3272 elif probably_chimera1_session(exc_info): 
    3273 File
    3274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3275 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3276 etype, evalue, etraceback = exc_info 
    3277 TypeError: cannot unpack non-iterable NoneType object 
    3278  
    3279 TypeError: cannot unpack non-iterable NoneType object 
    3280  
    3281 File
    3282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3283 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3284 etype, evalue, etraceback = exc_info 
    3285  
    3286 See log for complete Python traceback. 
    3287  
    3288 Traceback (most recent call last): 
    3289 File
    3290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3291 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3292 return self._func(self._name, data) 
    3293 File
    3294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3295 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3296 if v.display: 
    3297 File
    3298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3299 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3300 return self._any_displayed_positions and len(self._positions) > 0 
    3301 TypeError: object of type 'NoneType' has no len() 
    3302  
    3303 During handling of the above exception, another exception occurred: 
    3304  
    3305 Traceback (most recent call last): 
    3306 File
    3307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3308 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3309 if not self.draw_new_frame(): 
    3310 File
    3311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3312 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3313 changed = view.check_for_drawing_change() 
    3314 File
    3315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3316 packages/chimerax/core/graphics/view.py", line 252, in
    3317 check_for_drawing_change 
    3318 trig.activate_trigger('graphics update', self) 
    3319 File
    3320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3321 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3322 trigger.activate(data) 
    3323 File
    3324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3325 packages/chimerax/core/triggerset.py", line 190, in activate 
    3326 ret = handler.invoke(data, self._remove_bad_handlers) 
    3327 File
    3328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3329 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3330 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3331 File
    3332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3333 packages/chimerax/core/session.py", line 943, in <lambda> 
    3334 logger.report_exception(preface=preface)) 
    3335 File
    3336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3337 packages/chimerax/core/logger.py", line 421, in report_exception 
    3338 elif probably_chimera1_session(exc_info): 
    3339 File
    3340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3341 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3342 etype, evalue, etraceback = exc_info 
    3343 TypeError: cannot unpack non-iterable NoneType object 
    3344  
    3345 TypeError: cannot unpack non-iterable NoneType object 
    3346  
    3347 File
    3348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3349 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3350 etype, evalue, etraceback = exc_info 
    3351  
    3352 See log for complete Python traceback. 
    3353  
    3354 Traceback (most recent call last): 
    3355 File
    3356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3357 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3358 return self._func(self._name, data) 
    3359 File
    3360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3361 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3362 if v.display: 
    3363 File
    3364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3365 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3366 return self._any_displayed_positions and len(self._positions) > 0 
    3367 TypeError: object of type 'NoneType' has no len() 
    3368  
    3369 During handling of the above exception, another exception occurred: 
    3370  
    3371 Traceback (most recent call last): 
    3372 File
    3373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3374 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3375 if not self.draw_new_frame(): 
    3376 File
    3377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3378 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3379 changed = view.check_for_drawing_change() 
    3380 File
    3381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3382 packages/chimerax/core/graphics/view.py", line 252, in
    3383 check_for_drawing_change 
    3384 trig.activate_trigger('graphics update', self) 
    3385 File
    3386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3387 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3388 trigger.activate(data) 
    3389 File
    3390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3391 packages/chimerax/core/triggerset.py", line 190, in activate 
    3392 ret = handler.invoke(data, self._remove_bad_handlers) 
    3393 File
    3394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3395 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3396 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3397 File
    3398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3399 packages/chimerax/core/session.py", line 943, in <lambda> 
    3400 logger.report_exception(preface=preface)) 
    3401 File
    3402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3403 packages/chimerax/core/logger.py", line 421, in report_exception 
    3404 elif probably_chimera1_session(exc_info): 
    3405 File
    3406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3407 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3408 etype, evalue, etraceback = exc_info 
    3409 TypeError: cannot unpack non-iterable NoneType object 
    3410  
    3411 TypeError: cannot unpack non-iterable NoneType object 
    3412  
    3413 File
    3414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3415 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3416 etype, evalue, etraceback = exc_info 
    3417  
    3418 See log for complete Python traceback. 
    3419  
    3420 Traceback (most recent call last): 
    3421 File
    3422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3423 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3424 return self._func(self._name, data) 
    3425 File
    3426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3427 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3428 if v.display: 
    3429 File
    3430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3431 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3432 return self._any_displayed_positions and len(self._positions) > 0 
    3433 TypeError: object of type 'NoneType' has no len() 
    3434  
    3435 During handling of the above exception, another exception occurred: 
    3436  
    3437 Traceback (most recent call last): 
    3438 File
    3439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3440 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3441 if not self.draw_new_frame(): 
    3442 File
    3443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3444 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3445 changed = view.check_for_drawing_change() 
    3446 File
    3447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3448 packages/chimerax/core/graphics/view.py", line 252, in
    3449 check_for_drawing_change 
    3450 trig.activate_trigger('graphics update', self) 
    3451 File
    3452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3453 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3454 trigger.activate(data) 
    3455 File
    3456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3457 packages/chimerax/core/triggerset.py", line 190, in activate 
    3458 ret = handler.invoke(data, self._remove_bad_handlers) 
    3459 File
    3460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3461 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3462 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3463 File
    3464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3465 packages/chimerax/core/session.py", line 943, in <lambda> 
    3466 logger.report_exception(preface=preface)) 
    3467 File
    3468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3469 packages/chimerax/core/logger.py", line 421, in report_exception 
    3470 elif probably_chimera1_session(exc_info): 
    3471 File
    3472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3473 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3474 etype, evalue, etraceback = exc_info 
    3475 TypeError: cannot unpack non-iterable NoneType object 
    3476  
    3477 TypeError: cannot unpack non-iterable NoneType object 
    3478  
    3479 File
    3480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3481 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3482 etype, evalue, etraceback = exc_info 
    3483  
    3484 See log for complete Python traceback. 
    3485  
    3486 Traceback (most recent call last): 
    3487 File
    3488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3489 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3490 return self._func(self._name, data) 
    3491 File
    3492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3493 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3494 if v.display: 
    3495 File
    3496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3497 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3498 return self._any_displayed_positions and len(self._positions) > 0 
    3499 TypeError: object of type 'NoneType' has no len() 
    3500  
    3501 During handling of the above exception, another exception occurred: 
    3502  
    3503 Traceback (most recent call last): 
    3504 File
    3505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3506 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3507 if not self.draw_new_frame(): 
    3508 File
    3509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3510 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3511 changed = view.check_for_drawing_change() 
    3512 File
    3513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3514 packages/chimerax/core/graphics/view.py", line 252, in
    3515 check_for_drawing_change 
    3516 trig.activate_trigger('graphics update', self) 
    3517 File
    3518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3519 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3520 trigger.activate(data) 
    3521 File
    3522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3523 packages/chimerax/core/triggerset.py", line 190, in activate 
    3524 ret = handler.invoke(data, self._remove_bad_handlers) 
    3525 File
    3526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3527 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3528 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3529 File
    3530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3531 packages/chimerax/core/session.py", line 943, in <lambda> 
    3532 logger.report_exception(preface=preface)) 
    3533 File
    3534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3535 packages/chimerax/core/logger.py", line 421, in report_exception 
    3536 elif probably_chimera1_session(exc_info): 
    3537 File
    3538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3539 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3540 etype, evalue, etraceback = exc_info 
    3541 TypeError: cannot unpack non-iterable NoneType object 
    3542  
    3543 TypeError: cannot unpack non-iterable NoneType object 
    3544  
    3545 File
    3546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3547 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3548 etype, evalue, etraceback = exc_info 
    3549  
    3550 See log for complete Python traceback. 
    3551  
    3552 Traceback (most recent call last): 
    3553 File
    3554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3555 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3556 return self._func(self._name, data) 
    3557 File
    3558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3559 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3560 if v.display: 
    3561 File
    3562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3563 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3564 return self._any_displayed_positions and len(self._positions) > 0 
    3565 TypeError: object of type 'NoneType' has no len() 
    3566  
    3567 During handling of the above exception, another exception occurred: 
    3568  
    3569 Traceback (most recent call last): 
    3570 File
    3571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3572 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3573 if not self.draw_new_frame(): 
    3574 File
    3575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3576 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3577 changed = view.check_for_drawing_change() 
    3578 File
    3579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3580 packages/chimerax/core/graphics/view.py", line 252, in
    3581 check_for_drawing_change 
    3582 trig.activate_trigger('graphics update', self) 
    3583 File
    3584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3585 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3586 trigger.activate(data) 
    3587 File
    3588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3589 packages/chimerax/core/triggerset.py", line 190, in activate 
    3590 ret = handler.invoke(data, self._remove_bad_handlers) 
    3591 File
    3592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3593 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3594 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3595 File
    3596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3597 packages/chimerax/core/session.py", line 943, in <lambda> 
    3598 logger.report_exception(preface=preface)) 
    3599 File
    3600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3601 packages/chimerax/core/logger.py", line 421, in report_exception 
    3602 elif probably_chimera1_session(exc_info): 
    3603 File
    3604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3605 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3606 etype, evalue, etraceback = exc_info 
    3607 TypeError: cannot unpack non-iterable NoneType object 
    3608  
    3609 TypeError: cannot unpack non-iterable NoneType object 
    3610  
    3611 File
    3612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3613 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3614 etype, evalue, etraceback = exc_info 
    3615  
    3616 See log for complete Python traceback. 
    3617  
    3618 Traceback (most recent call last): 
    3619 File
    3620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3621 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3622 return self._func(self._name, data) 
    3623 File
    3624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3625 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3626 if v.display: 
    3627 File
    3628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3629 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3630 return self._any_displayed_positions and len(self._positions) > 0 
    3631 TypeError: object of type 'NoneType' has no len() 
    3632  
    3633 During handling of the above exception, another exception occurred: 
    3634  
    3635 Traceback (most recent call last): 
    3636 File
    3637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3638 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3639 if not self.draw_new_frame(): 
    3640 File
    3641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3642 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3643 changed = view.check_for_drawing_change() 
    3644 File
    3645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3646 packages/chimerax/core/graphics/view.py", line 252, in
    3647 check_for_drawing_change 
    3648 trig.activate_trigger('graphics update', self) 
    3649 File
    3650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3651 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3652 trigger.activate(data) 
    3653 File
    3654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3655 packages/chimerax/core/triggerset.py", line 190, in activate 
    3656 ret = handler.invoke(data, self._remove_bad_handlers) 
    3657 File
    3658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3659 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3660 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3661 File
    3662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3663 packages/chimerax/core/session.py", line 943, in <lambda> 
    3664 logger.report_exception(preface=preface)) 
    3665 File
    3666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3667 packages/chimerax/core/logger.py", line 421, in report_exception 
    3668 elif probably_chimera1_session(exc_info): 
    3669 File
    3670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3671 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3672 etype, evalue, etraceback = exc_info 
    3673 TypeError: cannot unpack non-iterable NoneType object 
    3674  
    3675 TypeError: cannot unpack non-iterable NoneType object 
    3676  
    3677 File
    3678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3679 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3680 etype, evalue, etraceback = exc_info 
    3681  
    3682 See log for complete Python traceback. 
    3683  
    3684 Traceback (most recent call last): 
    3685 File
    3686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3687 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3688 return self._func(self._name, data) 
    3689 File
    3690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3691 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3692 if v.display: 
    3693 File
    3694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3695 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3696 return self._any_displayed_positions and len(self._positions) > 0 
    3697 TypeError: object of type 'NoneType' has no len() 
    3698  
    3699 During handling of the above exception, another exception occurred: 
    3700  
    3701 Traceback (most recent call last): 
    3702 File
    3703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3704 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3705 if not self.draw_new_frame(): 
    3706 File
    3707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3708 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3709 changed = view.check_for_drawing_change() 
    3710 File
    3711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3712 packages/chimerax/core/graphics/view.py", line 252, in
    3713 check_for_drawing_change 
    3714 trig.activate_trigger('graphics update', self) 
    3715 File
    3716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3717 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3718 trigger.activate(data) 
    3719 File
    3720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3721 packages/chimerax/core/triggerset.py", line 190, in activate 
    3722 ret = handler.invoke(data, self._remove_bad_handlers) 
    3723 File
    3724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3725 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3726 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3727 File
    3728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3729 packages/chimerax/core/session.py", line 943, in <lambda> 
    3730 logger.report_exception(preface=preface)) 
    3731 File
    3732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3733 packages/chimerax/core/logger.py", line 421, in report_exception 
    3734 elif probably_chimera1_session(exc_info): 
    3735 File
    3736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3737 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3738 etype, evalue, etraceback = exc_info 
    3739 TypeError: cannot unpack non-iterable NoneType object 
    3740  
    3741 TypeError: cannot unpack non-iterable NoneType object 
    3742  
    3743 File
    3744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3745 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3746 etype, evalue, etraceback = exc_info 
    3747  
    3748 See log for complete Python traceback. 
    3749  
    3750 Traceback (most recent call last): 
    3751 File
    3752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3753 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3754 return self._func(self._name, data) 
    3755 File
    3756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3757 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3758 if v.display: 
    3759 File
    3760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3761 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3762 return self._any_displayed_positions and len(self._positions) > 0 
    3763 TypeError: object of type 'NoneType' has no len() 
    3764  
    3765 During handling of the above exception, another exception occurred: 
    3766  
    3767 Traceback (most recent call last): 
    3768 File
    3769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3770 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3771 if not self.draw_new_frame(): 
    3772 File
    3773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3774 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3775 changed = view.check_for_drawing_change() 
    3776 File
    3777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3778 packages/chimerax/core/graphics/view.py", line 252, in
    3779 check_for_drawing_change 
    3780 trig.activate_trigger('graphics update', self) 
    3781 File
    3782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3783 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3784 trigger.activate(data) 
    3785 File
    3786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3787 packages/chimerax/core/triggerset.py", line 190, in activate 
    3788 ret = handler.invoke(data, self._remove_bad_handlers) 
    3789 File
    3790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3791 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3792 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3793 File
    3794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3795 packages/chimerax/core/session.py", line 943, in <lambda> 
    3796 logger.report_exception(preface=preface)) 
    3797 File
    3798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3799 packages/chimerax/core/logger.py", line 421, in report_exception 
    3800 elif probably_chimera1_session(exc_info): 
    3801 File
    3802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3803 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3804 etype, evalue, etraceback = exc_info 
    3805 TypeError: cannot unpack non-iterable NoneType object 
    3806  
    3807 TypeError: cannot unpack non-iterable NoneType object 
    3808  
    3809 File
    3810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3811 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3812 etype, evalue, etraceback = exc_info 
    3813  
    3814 See log for complete Python traceback. 
    3815  
    3816 Traceback (most recent call last): 
    3817 File
    3818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3819 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3820 return self._func(self._name, data) 
    3821 File
    3822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3823 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3824 if v.display: 
    3825 File
    3826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3827 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3828 return self._any_displayed_positions and len(self._positions) > 0 
    3829 TypeError: object of type 'NoneType' has no len() 
    3830  
    3831 During handling of the above exception, another exception occurred: 
    3832  
    3833 Traceback (most recent call last): 
    3834 File
    3835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3836 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3837 if not self.draw_new_frame(): 
    3838 File
    3839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3840 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3841 changed = view.check_for_drawing_change() 
    3842 File
    3843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3844 packages/chimerax/core/graphics/view.py", line 252, in
    3845 check_for_drawing_change 
    3846 trig.activate_trigger('graphics update', self) 
    3847 File
    3848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3849 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3850 trigger.activate(data) 
    3851 File
    3852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3853 packages/chimerax/core/triggerset.py", line 190, in activate 
    3854 ret = handler.invoke(data, self._remove_bad_handlers) 
    3855 File
    3856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3857 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3858 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3859 File
    3860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3861 packages/chimerax/core/session.py", line 943, in <lambda> 
    3862 logger.report_exception(preface=preface)) 
    3863 File
    3864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3865 packages/chimerax/core/logger.py", line 421, in report_exception 
    3866 elif probably_chimera1_session(exc_info): 
    3867 File
    3868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3869 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3870 etype, evalue, etraceback = exc_info 
    3871 TypeError: cannot unpack non-iterable NoneType object 
    3872  
    3873 TypeError: cannot unpack non-iterable NoneType object 
    3874  
    3875 File
    3876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3877 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3878 etype, evalue, etraceback = exc_info 
    3879  
    3880 See log for complete Python traceback. 
    3881  
    3882 Traceback (most recent call last): 
    3883 File
    3884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3885 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3886 return self._func(self._name, data) 
    3887 File
    3888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3889 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3890 if v.display: 
    3891 File
    3892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3893 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3894 return self._any_displayed_positions and len(self._positions) > 0 
    3895 TypeError: object of type 'NoneType' has no len() 
    3896  
    3897 During handling of the above exception, another exception occurred: 
    3898  
    3899 Traceback (most recent call last): 
    3900 File
    3901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3902 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3903 if not self.draw_new_frame(): 
    3904 File
    3905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3906 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3907 changed = view.check_for_drawing_change() 
    3908 File
    3909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3910 packages/chimerax/core/graphics/view.py", line 252, in
    3911 check_for_drawing_change 
    3912 trig.activate_trigger('graphics update', self) 
    3913 File
    3914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3915 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3916 trigger.activate(data) 
    3917 File
    3918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3919 packages/chimerax/core/triggerset.py", line 190, in activate 
    3920 ret = handler.invoke(data, self._remove_bad_handlers) 
    3921 File
    3922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3923 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3924 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3925 File
    3926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3927 packages/chimerax/core/session.py", line 943, in <lambda> 
    3928 logger.report_exception(preface=preface)) 
    3929 File
    3930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3931 packages/chimerax/core/logger.py", line 421, in report_exception 
    3932 elif probably_chimera1_session(exc_info): 
    3933 File
    3934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3935 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3936 etype, evalue, etraceback = exc_info 
    3937 TypeError: cannot unpack non-iterable NoneType object 
    3938  
    3939 TypeError: cannot unpack non-iterable NoneType object 
    3940  
    3941 File
    3942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3943 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3944 etype, evalue, etraceback = exc_info 
    3945  
    3946 See log for complete Python traceback. 
    3947  
    3948 Traceback (most recent call last): 
    3949 File
    3950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3951 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3952 return self._func(self._name, data) 
    3953 File
    3954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3955 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3956 if v.display: 
    3957 File
    3958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3959 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3960 return self._any_displayed_positions and len(self._positions) > 0 
    3961 TypeError: object of type 'NoneType' has no len() 
    3962  
    3963 During handling of the above exception, another exception occurred: 
    3964  
    3965 Traceback (most recent call last): 
    3966 File
    3967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3968 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3969 if not self.draw_new_frame(): 
    3970 File
    3971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3972 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3973 changed = view.check_for_drawing_change() 
    3974 File
    3975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3976 packages/chimerax/core/graphics/view.py", line 252, in
    3977 check_for_drawing_change 
    3978 trig.activate_trigger('graphics update', self) 
    3979 File
    3980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3981 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3982 trigger.activate(data) 
    3983 File
    3984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3985 packages/chimerax/core/triggerset.py", line 190, in activate 
    3986 ret = handler.invoke(data, self._remove_bad_handlers) 
    3987 File
    3988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3989 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3990 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3991 File
    3992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3993 packages/chimerax/core/session.py", line 943, in <lambda> 
    3994 logger.report_exception(preface=preface)) 
    3995 File
    3996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3997 packages/chimerax/core/logger.py", line 421, in report_exception 
    3998 elif probably_chimera1_session(exc_info): 
    3999 File
    4000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4001 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4002 etype, evalue, etraceback = exc_info 
    4003 TypeError: cannot unpack non-iterable NoneType object 
    4004  
    4005 TypeError: cannot unpack non-iterable NoneType object 
    4006  
    4007 File
    4008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4009 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4010 etype, evalue, etraceback = exc_info 
    4011  
    4012 See log for complete Python traceback. 
    4013  
    4014 Traceback (most recent call last): 
    4015 File
    4016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4017 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4018 return self._func(self._name, data) 
    4019 File
    4020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4021 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4022 if v.display: 
    4023 File
    4024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4025 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4026 return self._any_displayed_positions and len(self._positions) > 0 
    4027 TypeError: object of type 'NoneType' has no len() 
    4028  
    4029 During handling of the above exception, another exception occurred: 
    4030  
    4031 Traceback (most recent call last): 
    4032 File
    4033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4034 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4035 if not self.draw_new_frame(): 
    4036 File
    4037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4038 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4039 changed = view.check_for_drawing_change() 
    4040 File
    4041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4042 packages/chimerax/core/graphics/view.py", line 252, in
    4043 check_for_drawing_change 
    4044 trig.activate_trigger('graphics update', self) 
    4045 File
    4046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4047 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4048 trigger.activate(data) 
    4049 File
    4050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4051 packages/chimerax/core/triggerset.py", line 190, in activate 
    4052 ret = handler.invoke(data, self._remove_bad_handlers) 
    4053 File
    4054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4055 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4056 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4057 File
    4058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4059 packages/chimerax/core/session.py", line 943, in <lambda> 
    4060 logger.report_exception(preface=preface)) 
    4061 File
    4062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4063 packages/chimerax/core/logger.py", line 421, in report_exception 
    4064 elif probably_chimera1_session(exc_info): 
    4065 File
    4066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4067 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4068 etype, evalue, etraceback = exc_info 
    4069 TypeError: cannot unpack non-iterable NoneType object 
    4070  
    4071 TypeError: cannot unpack non-iterable NoneType object 
    4072  
    4073 File
    4074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4075 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4076 etype, evalue, etraceback = exc_info 
    4077  
    4078 See log for complete Python traceback. 
    4079  
    4080 Traceback (most recent call last): 
    4081 File
    4082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4083 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4084 return self._func(self._name, data) 
    4085 File
    4086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4087 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4088 if v.display: 
    4089 File
    4090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4091 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4092 return self._any_displayed_positions and len(self._positions) > 0 
    4093 TypeError: object of type 'NoneType' has no len() 
    4094  
    4095 During handling of the above exception, another exception occurred: 
    4096  
    4097 Traceback (most recent call last): 
    4098 File
    4099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4100 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4101 if not self.draw_new_frame(): 
    4102 File
    4103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4104 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4105 changed = view.check_for_drawing_change() 
    4106 File
    4107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4108 packages/chimerax/core/graphics/view.py", line 252, in
    4109 check_for_drawing_change 
    4110 trig.activate_trigger('graphics update', self) 
    4111 File
    4112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4113 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4114 trigger.activate(data) 
    4115 File
    4116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4117 packages/chimerax/core/triggerset.py", line 190, in activate 
    4118 ret = handler.invoke(data, self._remove_bad_handlers) 
    4119 File
    4120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4121 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4122 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4123 File
    4124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4125 packages/chimerax/core/session.py", line 943, in <lambda> 
    4126 logger.report_exception(preface=preface)) 
    4127 File
    4128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4129 packages/chimerax/core/logger.py", line 421, in report_exception 
    4130 elif probably_chimera1_session(exc_info): 
    4131 File
    4132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4133 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4134 etype, evalue, etraceback = exc_info 
    4135 TypeError: cannot unpack non-iterable NoneType object 
    4136  
    4137 TypeError: cannot unpack non-iterable NoneType object 
    4138  
    4139 File
    4140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4141 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4142 etype, evalue, etraceback = exc_info 
    4143  
    4144 See log for complete Python traceback. 
    4145  
    4146 Traceback (most recent call last): 
    4147 File
    4148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4149 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4150 return self._func(self._name, data) 
    4151 File
    4152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4153 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4154 if v.display: 
    4155 File
    4156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4157 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4158 return self._any_displayed_positions and len(self._positions) > 0 
    4159 TypeError: object of type 'NoneType' has no len() 
    4160  
    4161 During handling of the above exception, another exception occurred: 
    4162  
    4163 Traceback (most recent call last): 
    4164 File
    4165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4166 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4167 if not self.draw_new_frame(): 
    4168 File
    4169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4170 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4171 changed = view.check_for_drawing_change() 
    4172 File
    4173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4174 packages/chimerax/core/graphics/view.py", line 252, in
    4175 check_for_drawing_change 
    4176 trig.activate_trigger('graphics update', self) 
    4177 File
    4178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4179 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4180 trigger.activate(data) 
    4181 File
    4182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4183 packages/chimerax/core/triggerset.py", line 190, in activate 
    4184 ret = handler.invoke(data, self._remove_bad_handlers) 
    4185 File
    4186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4187 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4188 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4189 File
    4190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4191 packages/chimerax/core/session.py", line 943, in <lambda> 
    4192 logger.report_exception(preface=preface)) 
    4193 File
    4194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4195 packages/chimerax/core/logger.py", line 421, in report_exception 
    4196 elif probably_chimera1_session(exc_info): 
    4197 File
    4198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4199 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4200 etype, evalue, etraceback = exc_info 
    4201 TypeError: cannot unpack non-iterable NoneType object 
    4202  
    4203 TypeError: cannot unpack non-iterable NoneType object 
    4204  
    4205 File
    4206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4207 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4208 etype, evalue, etraceback = exc_info 
    4209  
    4210 See log for complete Python traceback. 
    4211  
    4212 Traceback (most recent call last): 
    4213 File
    4214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4215 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4216 return self._func(self._name, data) 
    4217 File
    4218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4219 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4220 if v.display: 
    4221 File
    4222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4223 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4224 return self._any_displayed_positions and len(self._positions) > 0 
    4225 TypeError: object of type 'NoneType' has no len() 
    4226  
    4227 During handling of the above exception, another exception occurred: 
    4228  
    4229 Traceback (most recent call last): 
    4230 File
    4231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4232 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4233 if not self.draw_new_frame(): 
    4234 File
    4235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4236 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4237 changed = view.check_for_drawing_change() 
    4238 File
    4239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4240 packages/chimerax/core/graphics/view.py", line 252, in
    4241 check_for_drawing_change 
    4242 trig.activate_trigger('graphics update', self) 
    4243 File
    4244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4245 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4246 trigger.activate(data) 
    4247 File
    4248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4249 packages/chimerax/core/triggerset.py", line 190, in activate 
    4250 ret = handler.invoke(data, self._remove_bad_handlers) 
    4251 File
    4252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4253 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4254 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4255 File
    4256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4257 packages/chimerax/core/session.py", line 943, in <lambda> 
    4258 logger.report_exception(preface=preface)) 
    4259 File
    4260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4261 packages/chimerax/core/logger.py", line 421, in report_exception 
    4262 elif probably_chimera1_session(exc_info): 
    4263 File
    4264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4265 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4266 etype, evalue, etraceback = exc_info 
    4267 TypeError: cannot unpack non-iterable NoneType object 
    4268  
    4269 TypeError: cannot unpack non-iterable NoneType object 
    4270  
    4271 File
    4272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4273 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4274 etype, evalue, etraceback = exc_info 
    4275  
    4276 See log for complete Python traceback. 
    4277  
    4278 Traceback (most recent call last): 
    4279 File
    4280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4281 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4282 return self._func(self._name, data) 
    4283 File
    4284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4285 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4286 if v.display: 
    4287 File
    4288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4289 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4290 return self._any_displayed_positions and len(self._positions) > 0 
    4291 TypeError: object of type 'NoneType' has no len() 
    4292  
    4293 During handling of the above exception, another exception occurred: 
    4294  
    4295 Traceback (most recent call last): 
    4296 File
    4297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4298 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4299 if not self.draw_new_frame(): 
    4300 File
    4301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4302 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4303 changed = view.check_for_drawing_change() 
    4304 File
    4305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4306 packages/chimerax/core/graphics/view.py", line 252, in
    4307 check_for_drawing_change 
    4308 trig.activate_trigger('graphics update', self) 
    4309 File
    4310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4311 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4312 trigger.activate(data) 
    4313 File
    4314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4315 packages/chimerax/core/triggerset.py", line 190, in activate 
    4316 ret = handler.invoke(data, self._remove_bad_handlers) 
    4317 File
    4318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4319 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4320 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4321 File
    4322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4323 packages/chimerax/core/session.py", line 943, in <lambda> 
    4324 logger.report_exception(preface=preface)) 
    4325 File
    4326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4327 packages/chimerax/core/logger.py", line 421, in report_exception 
    4328 elif probably_chimera1_session(exc_info): 
    4329 File
    4330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4331 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4332 etype, evalue, etraceback = exc_info 
    4333 TypeError: cannot unpack non-iterable NoneType object 
    4334  
    4335 TypeError: cannot unpack non-iterable NoneType object 
    4336  
    4337 File
    4338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4339 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4340 etype, evalue, etraceback = exc_info 
    4341  
    4342 See log for complete Python traceback. 
    4343  
    4344 Traceback (most recent call last): 
    4345 File
    4346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4347 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4348 return self._func(self._name, data) 
    4349 File
    4350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4351 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4352 if v.display: 
    4353 File
    4354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4355 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4356 return self._any_displayed_positions and len(self._positions) > 0 
    4357 TypeError: object of type 'NoneType' has no len() 
    4358  
    4359 During handling of the above exception, another exception occurred: 
    4360  
    4361 Traceback (most recent call last): 
    4362 File
    4363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4364 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4365 if not self.draw_new_frame(): 
    4366 File
    4367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4368 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4369 changed = view.check_for_drawing_change() 
    4370 File
    4371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4372 packages/chimerax/core/graphics/view.py", line 252, in
    4373 check_for_drawing_change 
    4374 trig.activate_trigger('graphics update', self) 
    4375 File
    4376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4377 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4378 trigger.activate(data) 
    4379 File
    4380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4381 packages/chimerax/core/triggerset.py", line 190, in activate 
    4382 ret = handler.invoke(data, self._remove_bad_handlers) 
    4383 File
    4384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4385 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4386 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4387 File
    4388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4389 packages/chimerax/core/session.py", line 943, in <lambda> 
    4390 logger.report_exception(preface=preface)) 
    4391 File
    4392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4393 packages/chimerax/core/logger.py", line 421, in report_exception 
    4394 elif probably_chimera1_session(exc_info): 
    4395 File
    4396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4397 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4398 etype, evalue, etraceback = exc_info 
    4399 TypeError: cannot unpack non-iterable NoneType object 
    4400  
    4401 TypeError: cannot unpack non-iterable NoneType object 
    4402  
    4403 File
    4404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4405 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4406 etype, evalue, etraceback = exc_info 
    4407  
    4408 See log for complete Python traceback. 
    4409  
    4410 Traceback (most recent call last): 
    4411 File
    4412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4413 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4414 return self._func(self._name, data) 
    4415 File
    4416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4417 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4418 if v.display: 
    4419 File
    4420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4421 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4422 return self._any_displayed_positions and len(self._positions) > 0 
    4423 TypeError: object of type 'NoneType' has no len() 
    4424  
    4425 During handling of the above exception, another exception occurred: 
    4426  
    4427 Traceback (most recent call last): 
    4428 File
    4429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4430 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4431 if not self.draw_new_frame(): 
    4432 File
    4433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4434 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4435 changed = view.check_for_drawing_change() 
    4436 File
    4437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4438 packages/chimerax/core/graphics/view.py", line 252, in
    4439 check_for_drawing_change 
    4440 trig.activate_trigger('graphics update', self) 
    4441 File
    4442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4443 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4444 trigger.activate(data) 
    4445 File
    4446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4447 packages/chimerax/core/triggerset.py", line 190, in activate 
    4448 ret = handler.invoke(data, self._remove_bad_handlers) 
    4449 File
    4450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4451 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4452 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4453 File
    4454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4455 packages/chimerax/core/session.py", line 943, in <lambda> 
    4456 logger.report_exception(preface=preface)) 
    4457 File
    4458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4459 packages/chimerax/core/logger.py", line 421, in report_exception 
    4460 elif probably_chimera1_session(exc_info): 
    4461 File
    4462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4463 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4464 etype, evalue, etraceback = exc_info 
    4465 TypeError: cannot unpack non-iterable NoneType object 
    4466  
    4467 TypeError: cannot unpack non-iterable NoneType object 
    4468  
    4469 File
    4470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4471 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4472 etype, evalue, etraceback = exc_info 
    4473  
    4474 See log for complete Python traceback. 
    4475  
    4476 Traceback (most recent call last): 
    4477 File
    4478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4479 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4480 return self._func(self._name, data) 
    4481 File
    4482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4483 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4484 if v.display: 
    4485 File
    4486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4487 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4488 return self._any_displayed_positions and len(self._positions) > 0 
    4489 TypeError: object of type 'NoneType' has no len() 
    4490  
    4491 During handling of the above exception, another exception occurred: 
    4492  
    4493 Traceback (most recent call last): 
    4494 File
    4495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4496 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4497 if not self.draw_new_frame(): 
    4498 File
    4499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4500 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4501 changed = view.check_for_drawing_change() 
    4502 File
    4503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4504 packages/chimerax/core/graphics/view.py", line 252, in
    4505 check_for_drawing_change 
    4506 trig.activate_trigger('graphics update', self) 
    4507 File
    4508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4509 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4510 trigger.activate(data) 
    4511 File
    4512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4513 packages/chimerax/core/triggerset.py", line 190, in activate 
    4514 ret = handler.invoke(data, self._remove_bad_handlers) 
    4515 File
    4516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4517 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4518 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4519 File
    4520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4521 packages/chimerax/core/session.py", line 943, in <lambda> 
    4522 logger.report_exception(preface=preface)) 
    4523 File
    4524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4525 packages/chimerax/core/logger.py", line 421, in report_exception 
    4526 elif probably_chimera1_session(exc_info): 
    4527 File
    4528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4529 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4530 etype, evalue, etraceback = exc_info 
    4531 TypeError: cannot unpack non-iterable NoneType object 
    4532  
    4533 TypeError: cannot unpack non-iterable NoneType object 
    4534  
    4535 File
    4536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4537 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4538 etype, evalue, etraceback = exc_info 
    4539  
    4540 See log for complete Python traceback. 
    4541  
    4542 Traceback (most recent call last): 
    4543 File
    4544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4545 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4546 return self._func(self._name, data) 
    4547 File
    4548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4549 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4550 if v.display: 
    4551 File
    4552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4553 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4554 return self._any_displayed_positions and len(self._positions) > 0 
    4555 TypeError: object of type 'NoneType' has no len() 
    4556  
    4557 During handling of the above exception, another exception occurred: 
    4558  
    4559 Traceback (most recent call last): 
    4560 File
    4561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4562 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4563 if not self.draw_new_frame(): 
    4564 File
    4565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4566 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4567 changed = view.check_for_drawing_change() 
    4568 File
    4569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4570 packages/chimerax/core/graphics/view.py", line 252, in
    4571 check_for_drawing_change 
    4572 trig.activate_trigger('graphics update', self) 
    4573 File
    4574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4575 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4576 trigger.activate(data) 
    4577 File
    4578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4579 packages/chimerax/core/triggerset.py", line 190, in activate 
    4580 ret = handler.invoke(data, self._remove_bad_handlers) 
    4581 File
    4582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4583 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4584 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4585 File
    4586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4587 packages/chimerax/core/session.py", line 943, in <lambda> 
    4588 logger.report_exception(preface=preface)) 
    4589 File
    4590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4591 packages/chimerax/core/logger.py", line 421, in report_exception 
    4592 elif probably_chimera1_session(exc_info): 
    4593 File
    4594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4595 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4596 etype, evalue, etraceback = exc_info 
    4597 TypeError: cannot unpack non-iterable NoneType object 
    4598  
    4599 TypeError: cannot unpack non-iterable NoneType object 
    4600  
    4601 File
    4602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4603 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4604 etype, evalue, etraceback = exc_info 
    4605  
    4606 See log for complete Python traceback. 
    4607  
    4608 Traceback (most recent call last): 
    4609 File
    4610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4611 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4612 return self._func(self._name, data) 
    4613 File
    4614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4615 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4616 if v.display: 
    4617 File
    4618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4619 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4620 return self._any_displayed_positions and len(self._positions) > 0 
    4621 TypeError: object of type 'NoneType' has no len() 
    4622  
    4623 During handling of the above exception, another exception occurred: 
    4624  
    4625 Traceback (most recent call last): 
    4626 File
    4627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4628 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4629 if not self.draw_new_frame(): 
    4630 File
    4631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4632 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4633 changed = view.check_for_drawing_change() 
    4634 File
    4635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4636 packages/chimerax/core/graphics/view.py", line 252, in
    4637 check_for_drawing_change 
    4638 trig.activate_trigger('graphics update', self) 
    4639 File
    4640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4641 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4642 trigger.activate(data) 
    4643 File
    4644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4645 packages/chimerax/core/triggerset.py", line 190, in activate 
    4646 ret = handler.invoke(data, self._remove_bad_handlers) 
    4647 File
    4648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4649 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4650 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4651 File
    4652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4653 packages/chimerax/core/session.py", line 943, in <lambda> 
    4654 logger.report_exception(preface=preface)) 
    4655 File
    4656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4657 packages/chimerax/core/logger.py", line 421, in report_exception 
    4658 elif probably_chimera1_session(exc_info): 
    4659 File
    4660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4661 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4662 etype, evalue, etraceback = exc_info 
    4663 TypeError: cannot unpack non-iterable NoneType object 
    4664  
    4665 TypeError: cannot unpack non-iterable NoneType object 
    4666  
    4667 File
    4668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4669 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4670 etype, evalue, etraceback = exc_info 
    4671  
    4672 See log for complete Python traceback. 
    4673  
    4674 Traceback (most recent call last): 
    4675 File
    4676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4677 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4678 return self._func(self._name, data) 
    4679 File
    4680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4681 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4682 if v.display: 
    4683 File
    4684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4685 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4686 return self._any_displayed_positions and len(self._positions) > 0 
    4687 TypeError: object of type 'NoneType' has no len() 
    4688  
    4689 During handling of the above exception, another exception occurred: 
    4690  
    4691 Traceback (most recent call last): 
    4692 File
    4693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4694 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4695 if not self.draw_new_frame(): 
    4696 File
    4697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4698 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4699 changed = view.check_for_drawing_change() 
    4700 File
    4701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4702 packages/chimerax/core/graphics/view.py", line 252, in
    4703 check_for_drawing_change 
    4704 trig.activate_trigger('graphics update', self) 
    4705 File
    4706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4707 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4708 trigger.activate(data) 
    4709 File
    4710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4711 packages/chimerax/core/triggerset.py", line 190, in activate 
    4712 ret = handler.invoke(data, self._remove_bad_handlers) 
    4713 File
    4714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4715 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4716 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4717 File
    4718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4719 packages/chimerax/core/session.py", line 943, in <lambda> 
    4720 logger.report_exception(preface=preface)) 
    4721 File
    4722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4723 packages/chimerax/core/logger.py", line 421, in report_exception 
    4724 elif probably_chimera1_session(exc_info): 
    4725 File
    4726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4727 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4728 etype, evalue, etraceback = exc_info 
    4729 TypeError: cannot unpack non-iterable NoneType object 
    4730  
    4731 TypeError: cannot unpack non-iterable NoneType object 
    4732  
    4733 File
    4734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4735 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4736 etype, evalue, etraceback = exc_info 
    4737  
    4738 See log for complete Python traceback. 
    4739  
    4740 Traceback (most recent call last): 
    4741 File
    4742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4743 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4744 return self._func(self._name, data) 
    4745 File
    4746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4747 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4748 if v.display: 
    4749 File
    4750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4751 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4752 return self._any_displayed_positions and len(self._positions) > 0 
    4753 TypeError: object of type 'NoneType' has no len() 
    4754  
    4755 During handling of the above exception, another exception occurred: 
    4756  
    4757 Traceback (most recent call last): 
    4758 File
    4759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4760 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4761 if not self.draw_new_frame(): 
    4762 File
    4763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4764 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4765 changed = view.check_for_drawing_change() 
    4766 File
    4767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4768 packages/chimerax/core/graphics/view.py", line 252, in
    4769 check_for_drawing_change 
    4770 trig.activate_trigger('graphics update', self) 
    4771 File
    4772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4773 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4774 trigger.activate(data) 
    4775 File
    4776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4777 packages/chimerax/core/triggerset.py", line 190, in activate 
    4778 ret = handler.invoke(data, self._remove_bad_handlers) 
    4779 File
    4780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4781 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4782 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4783 File
    4784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4785 packages/chimerax/core/session.py", line 943, in <lambda> 
    4786 logger.report_exception(preface=preface)) 
    4787 File
    4788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4789 packages/chimerax/core/logger.py", line 421, in report_exception 
    4790 elif probably_chimera1_session(exc_info): 
    4791 File
    4792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4793 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4794 etype, evalue, etraceback = exc_info 
    4795 TypeError: cannot unpack non-iterable NoneType object 
    4796  
    4797 TypeError: cannot unpack non-iterable NoneType object 
    4798  
    4799 File
    4800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4801 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4802 etype, evalue, etraceback = exc_info 
    4803  
    4804 See log for complete Python traceback. 
    4805  
    4806 Traceback (most recent call last): 
    4807 File
    4808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4809 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4810 return self._func(self._name, data) 
    4811 File
    4812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4813 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4814 if v.display: 
    4815 File
    4816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4817 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4818 return self._any_displayed_positions and len(self._positions) > 0 
    4819 TypeError: object of type 'NoneType' has no len() 
    4820  
    4821 During handling of the above exception, another exception occurred: 
    4822  
    4823 Traceback (most recent call last): 
    4824 File
    4825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4826 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4827 if not self.draw_new_frame(): 
    4828 File
    4829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4830 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4831 changed = view.check_for_drawing_change() 
    4832 File
    4833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4834 packages/chimerax/core/graphics/view.py", line 252, in
    4835 check_for_drawing_change 
    4836 trig.activate_trigger('graphics update', self) 
    4837 File
    4838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4839 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4840 trigger.activate(data) 
    4841 File
    4842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4843 packages/chimerax/core/triggerset.py", line 190, in activate 
    4844 ret = handler.invoke(data, self._remove_bad_handlers) 
    4845 File
    4846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4847 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4848 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4849 File
    4850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4851 packages/chimerax/core/session.py", line 943, in <lambda> 
    4852 logger.report_exception(preface=preface)) 
    4853 File
    4854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4855 packages/chimerax/core/logger.py", line 421, in report_exception 
    4856 elif probably_chimera1_session(exc_info): 
    4857 File
    4858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4859 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4860 etype, evalue, etraceback = exc_info 
    4861 TypeError: cannot unpack non-iterable NoneType object 
    4862  
    4863 TypeError: cannot unpack non-iterable NoneType object 
    4864  
    4865 File
    4866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4867 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4868 etype, evalue, etraceback = exc_info 
    4869  
    4870 See log for complete Python traceback. 
    4871  
    4872 Traceback (most recent call last): 
    4873 File
    4874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4875 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4876 return self._func(self._name, data) 
    4877 File
    4878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4879 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4880 if v.display: 
    4881 File
    4882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4883 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4884 return self._any_displayed_positions and len(self._positions) > 0 
    4885 TypeError: object of type 'NoneType' has no len() 
    4886  
    4887 During handling of the above exception, another exception occurred: 
    4888  
    4889 Traceback (most recent call last): 
    4890 File
    4891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4892 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4893 if not self.draw_new_frame(): 
    4894 File
    4895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4896 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4897 changed = view.check_for_drawing_change() 
    4898 File
    4899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4900 packages/chimerax/core/graphics/view.py", line 252, in
    4901 check_for_drawing_change 
    4902 trig.activate_trigger('graphics update', self) 
    4903 File
    4904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4905 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4906 trigger.activate(data) 
    4907 File
    4908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4909 packages/chimerax/core/triggerset.py", line 190, in activate 
    4910 ret = handler.invoke(data, self._remove_bad_handlers) 
    4911 File
    4912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4913 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4914 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4915 File
    4916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4917 packages/chimerax/core/session.py", line 943, in <lambda> 
    4918 logger.report_exception(preface=preface)) 
    4919 File
    4920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4921 packages/chimerax/core/logger.py", line 421, in report_exception 
    4922 elif probably_chimera1_session(exc_info): 
    4923 File
    4924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4925 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4926 etype, evalue, etraceback = exc_info 
    4927 TypeError: cannot unpack non-iterable NoneType object 
    4928  
    4929 TypeError: cannot unpack non-iterable NoneType object 
    4930  
    4931 File
    4932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4933 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4934 etype, evalue, etraceback = exc_info 
    4935  
    4936 See log for complete Python traceback. 
    4937  
    4938 Traceback (most recent call last): 
    4939 File
    4940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4941 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4942 return self._func(self._name, data) 
    4943 File
    4944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4945 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4946 if v.display: 
    4947 File
    4948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4949 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4950 return self._any_displayed_positions and len(self._positions) > 0 
    4951 TypeError: object of type 'NoneType' has no len() 
    4952  
    4953 During handling of the above exception, another exception occurred: 
    4954  
    4955 Traceback (most recent call last): 
    4956 File
    4957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4958 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4959 if not self.draw_new_frame(): 
    4960 File
    4961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4962 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4963 changed = view.check_for_drawing_change() 
    4964 File
    4965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4966 packages/chimerax/core/graphics/view.py", line 252, in
    4967 check_for_drawing_change 
    4968 trig.activate_trigger('graphics update', self) 
    4969 File
    4970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4971 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4972 trigger.activate(data) 
    4973 File
    4974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4975 packages/chimerax/core/triggerset.py", line 190, in activate 
    4976 ret = handler.invoke(data, self._remove_bad_handlers) 
    4977 File
    4978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4979 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4980 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4981 File
    4982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4983 packages/chimerax/core/session.py", line 943, in <lambda> 
    4984 logger.report_exception(preface=preface)) 
    4985 File
    4986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4987 packages/chimerax/core/logger.py", line 421, in report_exception 
    4988 elif probably_chimera1_session(exc_info): 
    4989 File
    4990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4991 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4992 etype, evalue, etraceback = exc_info 
    4993 TypeError: cannot unpack non-iterable NoneType object 
    4994  
    4995 TypeError: cannot unpack non-iterable NoneType object 
    4996  
    4997 File
    4998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4999 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5000 etype, evalue, etraceback = exc_info 
    5001  
    5002 See log for complete Python traceback. 
    5003  
    5004 Traceback (most recent call last): 
    5005 File
    5006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5007 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5008 return self._func(self._name, data) 
    5009 File
    5010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5011 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5012 if v.display: 
    5013 File
    5014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5015 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5016 return self._any_displayed_positions and len(self._positions) > 0 
    5017 TypeError: object of type 'NoneType' has no len() 
    5018  
    5019 During handling of the above exception, another exception occurred: 
    5020  
    5021 Traceback (most recent call last): 
    5022 File
    5023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5024 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5025 if not self.draw_new_frame(): 
    5026 File
    5027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5028 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5029 changed = view.check_for_drawing_change() 
    5030 File
    5031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5032 packages/chimerax/core/graphics/view.py", line 252, in
    5033 check_for_drawing_change 
    5034 trig.activate_trigger('graphics update', self) 
    5035 File
    5036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5037 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5038 trigger.activate(data) 
    5039 File
    5040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5041 packages/chimerax/core/triggerset.py", line 190, in activate 
    5042 ret = handler.invoke(data, self._remove_bad_handlers) 
    5043 File
    5044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5045 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5046 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5047 File
    5048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5049 packages/chimerax/core/session.py", line 943, in <lambda> 
    5050 logger.report_exception(preface=preface)) 
    5051 File
    5052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5053 packages/chimerax/core/logger.py", line 421, in report_exception 
    5054 elif probably_chimera1_session(exc_info): 
    5055 File
    5056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5057 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5058 etype, evalue, etraceback = exc_info 
    5059 TypeError: cannot unpack non-iterable NoneType object 
    5060  
    5061 TypeError: cannot unpack non-iterable NoneType object 
    5062  
    5063 File
    5064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5065 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5066 etype, evalue, etraceback = exc_info 
    5067  
    5068 See log for complete Python traceback. 
    5069  
    5070 Traceback (most recent call last): 
    5071 File
    5072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5073 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5074 return self._func(self._name, data) 
    5075 File
    5076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5077 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5078 if v.display: 
    5079 File
    5080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5081 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5082 return self._any_displayed_positions and len(self._positions) > 0 
    5083 TypeError: object of type 'NoneType' has no len() 
    5084  
    5085 During handling of the above exception, another exception occurred: 
    5086  
    5087 Traceback (most recent call last): 
    5088 File
    5089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5090 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5091 if not self.draw_new_frame(): 
    5092 File
    5093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5094 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5095 changed = view.check_for_drawing_change() 
    5096 File
    5097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5098 packages/chimerax/core/graphics/view.py", line 252, in
    5099 check_for_drawing_change 
    5100 trig.activate_trigger('graphics update', self) 
    5101 File
    5102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5103 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5104 trigger.activate(data) 
    5105 File
    5106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5107 packages/chimerax/core/triggerset.py", line 190, in activate 
    5108 ret = handler.invoke(data, self._remove_bad_handlers) 
    5109 File
    5110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5111 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5112 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5113 File
    5114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5115 packages/chimerax/core/session.py", line 943, in <lambda> 
    5116 logger.report_exception(preface=preface)) 
    5117 File
    5118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5119 packages/chimerax/core/logger.py", line 421, in report_exception 
    5120 elif probably_chimera1_session(exc_info): 
    5121 File
    5122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5123 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5124 etype, evalue, etraceback = exc_info 
    5125 TypeError: cannot unpack non-iterable NoneType object 
    5126  
    5127 TypeError: cannot unpack non-iterable NoneType object 
    5128  
    5129 File
    5130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5131 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5132 etype, evalue, etraceback = exc_info 
    5133  
    5134 See log for complete Python traceback. 
    5135  
    5136 Traceback (most recent call last): 
    5137 File
    5138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5139 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5140 return self._func(self._name, data) 
    5141 File
    5142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5143 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5144 if v.display: 
    5145 File
    5146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5147 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5148 return self._any_displayed_positions and len(self._positions) > 0 
    5149 TypeError: object of type 'NoneType' has no len() 
    5150  
    5151 During handling of the above exception, another exception occurred: 
    5152  
    5153 Traceback (most recent call last): 
    5154 File
    5155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5156 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5157 if not self.draw_new_frame(): 
    5158 File
    5159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5160 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5161 changed = view.check_for_drawing_change() 
    5162 File
    5163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5164 packages/chimerax/core/graphics/view.py", line 252, in
    5165 check_for_drawing_change 
    5166 trig.activate_trigger('graphics update', self) 
    5167 File
    5168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5169 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5170 trigger.activate(data) 
    5171 File
    5172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5173 packages/chimerax/core/triggerset.py", line 190, in activate 
    5174 ret = handler.invoke(data, self._remove_bad_handlers) 
    5175 File
    5176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5177 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5178 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5179 File
    5180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5181 packages/chimerax/core/session.py", line 943, in <lambda> 
    5182 logger.report_exception(preface=preface)) 
    5183 File
    5184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5185 packages/chimerax/core/logger.py", line 421, in report_exception 
    5186 elif probably_chimera1_session(exc_info): 
    5187 File
    5188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5189 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5190 etype, evalue, etraceback = exc_info 
    5191 TypeError: cannot unpack non-iterable NoneType object 
    5192  
    5193 TypeError: cannot unpack non-iterable NoneType object 
    5194  
    5195 File
    5196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5197 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5198 etype, evalue, etraceback = exc_info 
    5199  
    5200 See log for complete Python traceback. 
    5201  
    5202 Traceback (most recent call last): 
    5203 File
    5204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5205 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5206 return self._func(self._name, data) 
    5207 File
    5208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5209 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5210 if v.display: 
    5211 File
    5212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5213 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5214 return self._any_displayed_positions and len(self._positions) > 0 
    5215 TypeError: object of type 'NoneType' has no len() 
    5216  
    5217 During handling of the above exception, another exception occurred: 
    5218  
    5219 Traceback (most recent call last): 
    5220 File
    5221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5222 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5223 if not self.draw_new_frame(): 
    5224 File
    5225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5226 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5227 changed = view.check_for_drawing_change() 
    5228 File
    5229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5230 packages/chimerax/core/graphics/view.py", line 252, in
    5231 check_for_drawing_change 
    5232 trig.activate_trigger('graphics update', self) 
    5233 File
    5234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5235 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5236 trigger.activate(data) 
    5237 File
    5238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5239 packages/chimerax/core/triggerset.py", line 190, in activate 
    5240 ret = handler.invoke(data, self._remove_bad_handlers) 
    5241 File
    5242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5243 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5244 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5245 File
    5246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5247 packages/chimerax/core/session.py", line 943, in <lambda> 
    5248 logger.report_exception(preface=preface)) 
    5249 File
    5250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5251 packages/chimerax/core/logger.py", line 421, in report_exception 
    5252 elif probably_chimera1_session(exc_info): 
    5253 File
    5254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5255 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5256 etype, evalue, etraceback = exc_info 
    5257 TypeError: cannot unpack non-iterable NoneType object 
    5258  
    5259 TypeError: cannot unpack non-iterable NoneType object 
    5260  
    5261 File
    5262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5263 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5264 etype, evalue, etraceback = exc_info 
    5265  
    5266 See log for complete Python traceback. 
    5267  
    5268 Traceback (most recent call last): 
    5269 File
    5270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5271 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5272 return self._func(self._name, data) 
    5273 File
    5274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5275 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5276 if v.display: 
    5277 File
    5278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5279 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5280 return self._any_displayed_positions and len(self._positions) > 0 
    5281 TypeError: object of type 'NoneType' has no len() 
    5282  
    5283 During handling of the above exception, another exception occurred: 
    5284  
    5285 Traceback (most recent call last): 
    5286 File
    5287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5288 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5289 if not self.draw_new_frame(): 
    5290 File
    5291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5292 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5293 changed = view.check_for_drawing_change() 
    5294 File
    5295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5296 packages/chimerax/core/graphics/view.py", line 252, in
    5297 check_for_drawing_change 
    5298 trig.activate_trigger('graphics update', self) 
    5299 File
    5300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5301 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5302 trigger.activate(data) 
    5303 File
    5304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5305 packages/chimerax/core/triggerset.py", line 190, in activate 
    5306 ret = handler.invoke(data, self._remove_bad_handlers) 
    5307 File
    5308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5309 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5310 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5311 File
    5312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5313 packages/chimerax/core/session.py", line 943, in <lambda> 
    5314 logger.report_exception(preface=preface)) 
    5315 File
    5316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5317 packages/chimerax/core/logger.py", line 421, in report_exception 
    5318 elif probably_chimera1_session(exc_info): 
    5319 File
    5320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5321 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5322 etype, evalue, etraceback = exc_info 
    5323 TypeError: cannot unpack non-iterable NoneType object 
    5324  
    5325 TypeError: cannot unpack non-iterable NoneType object 
    5326  
    5327 File
    5328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5329 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5330 etype, evalue, etraceback = exc_info 
    5331  
    5332 See log for complete Python traceback. 
    5333  
    5334 Traceback (most recent call last): 
    5335 File
    5336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5337 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5338 return self._func(self._name, data) 
    5339 File
    5340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5341 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5342 if v.display: 
    5343 File
    5344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5345 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5346 return self._any_displayed_positions and len(self._positions) > 0 
    5347 TypeError: object of type 'NoneType' has no len() 
    5348  
    5349 During handling of the above exception, another exception occurred: 
    5350  
    5351 Traceback (most recent call last): 
    5352 File
    5353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5354 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5355 if not self.draw_new_frame(): 
    5356 File
    5357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5358 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5359 changed = view.check_for_drawing_change() 
    5360 File
    5361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5362 packages/chimerax/core/graphics/view.py", line 252, in
    5363 check_for_drawing_change 
    5364 trig.activate_trigger('graphics update', self) 
    5365 File
    5366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5367 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5368 trigger.activate(data) 
    5369 File
    5370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5371 packages/chimerax/core/triggerset.py", line 190, in activate 
    5372 ret = handler.invoke(data, self._remove_bad_handlers) 
    5373 File
    5374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5375 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5376 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5377 File
    5378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5379 packages/chimerax/core/session.py", line 943, in <lambda> 
    5380 logger.report_exception(preface=preface)) 
    5381 File
    5382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5383 packages/chimerax/core/logger.py", line 421, in report_exception 
    5384 elif probably_chimera1_session(exc_info): 
    5385 File
    5386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5387 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5388 etype, evalue, etraceback = exc_info 
    5389 TypeError: cannot unpack non-iterable NoneType object 
    5390  
    5391 TypeError: cannot unpack non-iterable NoneType object 
    5392  
    5393 File
    5394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5395 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5396 etype, evalue, etraceback = exc_info 
    5397  
    5398 See log for complete Python traceback. 
    5399  
    5400 Traceback (most recent call last): 
    5401 File
    5402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5403 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5404 return self._func(self._name, data) 
    5405 File
    5406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5407 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5408 if v.display: 
    5409 File
    5410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5411 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5412 return self._any_displayed_positions and len(self._positions) > 0 
    5413 TypeError: object of type 'NoneType' has no len() 
    5414  
    5415 During handling of the above exception, another exception occurred: 
    5416  
    5417 Traceback (most recent call last): 
    5418 File
    5419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5420 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5421 if not self.draw_new_frame(): 
    5422 File
    5423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5424 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5425 changed = view.check_for_drawing_change() 
    5426 File
    5427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5428 packages/chimerax/core/graphics/view.py", line 252, in
    5429 check_for_drawing_change 
    5430 trig.activate_trigger('graphics update', self) 
    5431 File
    5432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5433 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5434 trigger.activate(data) 
    5435 File
    5436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5437 packages/chimerax/core/triggerset.py", line 190, in activate 
    5438 ret = handler.invoke(data, self._remove_bad_handlers) 
    5439 File
    5440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5441 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5442 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5443 File
    5444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5445 packages/chimerax/core/session.py", line 943, in <lambda> 
    5446 logger.report_exception(preface=preface)) 
    5447 File
    5448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5449 packages/chimerax/core/logger.py", line 421, in report_exception 
    5450 elif probably_chimera1_session(exc_info): 
    5451 File
    5452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5453 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5454 etype, evalue, etraceback = exc_info 
    5455 TypeError: cannot unpack non-iterable NoneType object 
    5456  
    5457 TypeError: cannot unpack non-iterable NoneType object 
    5458  
    5459 File
    5460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5461 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5462 etype, evalue, etraceback = exc_info 
    5463  
    5464 See log for complete Python traceback. 
    5465  
    5466 Traceback (most recent call last): 
    5467 File
    5468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5469 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5470 return self._func(self._name, data) 
    5471 File
    5472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5473 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5474 if v.display: 
    5475 File
    5476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5477 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5478 return self._any_displayed_positions and len(self._positions) > 0 
    5479 TypeError: object of type 'NoneType' has no len() 
    5480  
    5481 During handling of the above exception, another exception occurred: 
    5482  
    5483 Traceback (most recent call last): 
    5484 File
    5485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5486 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5487 if not self.draw_new_frame(): 
    5488 File
    5489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5490 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5491 changed = view.check_for_drawing_change() 
    5492 File
    5493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5494 packages/chimerax/core/graphics/view.py", line 252, in
    5495 check_for_drawing_change 
    5496 trig.activate_trigger('graphics update', self) 
    5497 File
    5498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5499 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5500 trigger.activate(data) 
    5501 File
    5502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5503 packages/chimerax/core/triggerset.py", line 190, in activate 
    5504 ret = handler.invoke(data, self._remove_bad_handlers) 
    5505 File
    5506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5507 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5508 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5509 File
    5510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5511 packages/chimerax/core/session.py", line 943, in <lambda> 
    5512 logger.report_exception(preface=preface)) 
    5513 File
    5514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5515 packages/chimerax/core/logger.py", line 421, in report_exception 
    5516 elif probably_chimera1_session(exc_info): 
    5517 File
    5518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5519 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5520 etype, evalue, etraceback = exc_info 
    5521 TypeError: cannot unpack non-iterable NoneType object 
    5522  
    5523 TypeError: cannot unpack non-iterable NoneType object 
    5524  
    5525 File
    5526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5527 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5528 etype, evalue, etraceback = exc_info 
    5529  
    5530 See log for complete Python traceback. 
    5531  
    5532 Traceback (most recent call last): 
    5533 File
    5534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5535 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5536 return self._func(self._name, data) 
    5537 File
    5538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5539 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5540 if v.display: 
    5541 File
    5542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5543 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5544 return self._any_displayed_positions and len(self._positions) > 0 
    5545 TypeError: object of type 'NoneType' has no len() 
    5546  
    5547 During handling of the above exception, another exception occurred: 
    5548  
    5549 Traceback (most recent call last): 
    5550 File
    5551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5552 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5553 if not self.draw_new_frame(): 
    5554 File
    5555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5556 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5557 changed = view.check_for_drawing_change() 
    5558 File
    5559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5560 packages/chimerax/core/graphics/view.py", line 252, in
    5561 check_for_drawing_change 
    5562 trig.activate_trigger('graphics update', self) 
    5563 File
    5564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5565 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5566 trigger.activate(data) 
    5567 File
    5568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5569 packages/chimerax/core/triggerset.py", line 190, in activate 
    5570 ret = handler.invoke(data, self._remove_bad_handlers) 
    5571 File
    5572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5573 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5574 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5575 File
    5576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5577 packages/chimerax/core/session.py", line 943, in <lambda> 
    5578 logger.report_exception(preface=preface)) 
    5579 File
    5580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5581 packages/chimerax/core/logger.py", line 421, in report_exception 
    5582 elif probably_chimera1_session(exc_info): 
    5583 File
    5584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5585 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5586 etype, evalue, etraceback = exc_info 
    5587 TypeError: cannot unpack non-iterable NoneType object 
    5588  
    5589 TypeError: cannot unpack non-iterable NoneType object 
    5590  
    5591 File
    5592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5593 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5594 etype, evalue, etraceback = exc_info 
    5595  
    5596 See log for complete Python traceback. 
    5597  
    5598 Traceback (most recent call last): 
    5599 File
    5600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5601 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5602 return self._func(self._name, data) 
    5603 File
    5604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5605 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5606 if v.display: 
    5607 File
    5608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5609 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5610 return self._any_displayed_positions and len(self._positions) > 0 
    5611 TypeError: object of type 'NoneType' has no len() 
    5612  
    5613 During handling of the above exception, another exception occurred: 
    5614  
    5615 Traceback (most recent call last): 
    5616 File
    5617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5618 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5619 if not self.draw_new_frame(): 
    5620 File
    5621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5622 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5623 changed = view.check_for_drawing_change() 
    5624 File
    5625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5626 packages/chimerax/core/graphics/view.py", line 252, in
    5627 check_for_drawing_change 
    5628 trig.activate_trigger('graphics update', self) 
    5629 File
    5630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5631 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5632 trigger.activate(data) 
    5633 File
    5634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5635 packages/chimerax/core/triggerset.py", line 190, in activate 
    5636 ret = handler.invoke(data, self._remove_bad_handlers) 
    5637 File
    5638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5639 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5640 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5641 File
    5642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5643 packages/chimerax/core/session.py", line 943, in <lambda> 
    5644 logger.report_exception(preface=preface)) 
    5645 File
    5646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5647 packages/chimerax/core/logger.py", line 421, in report_exception 
    5648 elif probably_chimera1_session(exc_info): 
    5649 File
    5650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5651 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5652 etype, evalue, etraceback = exc_info 
    5653 TypeError: cannot unpack non-iterable NoneType object 
    5654  
    5655 TypeError: cannot unpack non-iterable NoneType object 
    5656  
    5657 File
    5658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5659 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5660 etype, evalue, etraceback = exc_info 
    5661  
    5662 See log for complete Python traceback. 
    5663  
    5664 Traceback (most recent call last): 
    5665 File
    5666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5667 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5668 return self._func(self._name, data) 
    5669 File
    5670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5671 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5672 if v.display: 
    5673 File
    5674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5675 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5676 return self._any_displayed_positions and len(self._positions) > 0 
    5677 TypeError: object of type 'NoneType' has no len() 
    5678  
    5679 During handling of the above exception, another exception occurred: 
    5680  
    5681 Traceback (most recent call last): 
    5682 File
    5683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5684 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5685 if not self.draw_new_frame(): 
    5686 File
    5687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5688 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5689 changed = view.check_for_drawing_change() 
    5690 File
    5691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5692 packages/chimerax/core/graphics/view.py", line 252, in
    5693 check_for_drawing_change 
    5694 trig.activate_trigger('graphics update', self) 
    5695 File
    5696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5697 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5698 trigger.activate(data) 
    5699 File
    5700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5701 packages/chimerax/core/triggerset.py", line 190, in activate 
    5702 ret = handler.invoke(data, self._remove_bad_handlers) 
    5703 File
    5704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5705 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5706 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5707 File
    5708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5709 packages/chimerax/core/session.py", line 943, in <lambda> 
    5710 logger.report_exception(preface=preface)) 
    5711 File
    5712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5713 packages/chimerax/core/logger.py", line 421, in report_exception 
    5714 elif probably_chimera1_session(exc_info): 
    5715 File
    5716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5717 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5718 etype, evalue, etraceback = exc_info 
    5719 TypeError: cannot unpack non-iterable NoneType object 
    5720  
    5721 TypeError: cannot unpack non-iterable NoneType object 
    5722  
    5723 File
    5724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5725 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5726 etype, evalue, etraceback = exc_info 
    5727  
    5728 See log for complete Python traceback. 
    5729  
    5730 Traceback (most recent call last): 
    5731 File
    5732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5733 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5734 return self._func(self._name, data) 
    5735 File
    5736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5737 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5738 if v.display: 
    5739 File
    5740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5741 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5742 return self._any_displayed_positions and len(self._positions) > 0 
    5743 TypeError: object of type 'NoneType' has no len() 
    5744  
    5745 During handling of the above exception, another exception occurred: 
    5746  
    5747 Traceback (most recent call last): 
    5748 File
    5749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5750 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5751 if not self.draw_new_frame(): 
    5752 File
    5753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5754 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5755 changed = view.check_for_drawing_change() 
    5756 File
    5757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5758 packages/chimerax/core/graphics/view.py", line 252, in
    5759 check_for_drawing_change 
    5760 trig.activate_trigger('graphics update', self) 
    5761 File
    5762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5763 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5764 trigger.activate(data) 
    5765 File
    5766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5767 packages/chimerax/core/triggerset.py", line 190, in activate 
    5768 ret = handler.invoke(data, self._remove_bad_handlers) 
    5769 File
    5770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5771 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5772 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5773 File
    5774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5775 packages/chimerax/core/session.py", line 943, in <lambda> 
    5776 logger.report_exception(preface=preface)) 
    5777 File
    5778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5779 packages/chimerax/core/logger.py", line 421, in report_exception 
    5780 elif probably_chimera1_session(exc_info): 
    5781 File
    5782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5783 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5784 etype, evalue, etraceback = exc_info 
    5785 TypeError: cannot unpack non-iterable NoneType object 
    5786  
    5787 TypeError: cannot unpack non-iterable NoneType object 
    5788  
    5789 File
    5790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5791 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5792 etype, evalue, etraceback = exc_info 
    5793  
    5794 See log for complete Python traceback. 
    5795  
    5796 Traceback (most recent call last): 
    5797 File
    5798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5799 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5800 return self._func(self._name, data) 
    5801 File
    5802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5803 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5804 if v.display: 
    5805 File
    5806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5807 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5808 return self._any_displayed_positions and len(self._positions) > 0 
    5809 TypeError: object of type 'NoneType' has no len() 
    5810  
    5811 During handling of the above exception, another exception occurred: 
    5812  
    5813 Traceback (most recent call last): 
    5814 File
    5815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5816 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5817 if not self.draw_new_frame(): 
    5818 File
    5819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5820 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5821 changed = view.check_for_drawing_change() 
    5822 File
    5823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5824 packages/chimerax/core/graphics/view.py", line 252, in
    5825 check_for_drawing_change 
    5826 trig.activate_trigger('graphics update', self) 
    5827 File
    5828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5829 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5830 trigger.activate(data) 
    5831 File
    5832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5833 packages/chimerax/core/triggerset.py", line 190, in activate 
    5834 ret = handler.invoke(data, self._remove_bad_handlers) 
    5835 File
    5836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5837 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5838 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5839 File
    5840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5841 packages/chimerax/core/session.py", line 943, in <lambda> 
    5842 logger.report_exception(preface=preface)) 
    5843 File
    5844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5845 packages/chimerax/core/logger.py", line 421, in report_exception 
    5846 elif probably_chimera1_session(exc_info): 
    5847 File
    5848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5849 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5850 etype, evalue, etraceback = exc_info 
    5851 TypeError: cannot unpack non-iterable NoneType object 
    5852  
    5853 TypeError: cannot unpack non-iterable NoneType object 
    5854  
    5855 File
    5856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5857 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5858 etype, evalue, etraceback = exc_info 
    5859  
    5860 See log for complete Python traceback. 
    5861  
    5862 Traceback (most recent call last): 
    5863 File
    5864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5865 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5866 return self._func(self._name, data) 
    5867 File
    5868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5869 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5870 if v.display: 
    5871 File
    5872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5873 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5874 return self._any_displayed_positions and len(self._positions) > 0 
    5875 TypeError: object of type 'NoneType' has no len() 
    5876  
    5877 During handling of the above exception, another exception occurred: 
    5878  
    5879 Traceback (most recent call last): 
    5880 File
    5881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5882 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5883 if not self.draw_new_frame(): 
    5884 File
    5885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5886 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5887 changed = view.check_for_drawing_change() 
    5888 File
    5889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5890 packages/chimerax/core/graphics/view.py", line 252, in
    5891 check_for_drawing_change 
    5892 trig.activate_trigger('graphics update', self) 
    5893 File
    5894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5895 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5896 trigger.activate(data) 
    5897 File
    5898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5899 packages/chimerax/core/triggerset.py", line 190, in activate 
    5900 ret = handler.invoke(data, self._remove_bad_handlers) 
    5901 File
    5902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5903 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5904 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5905 File
    5906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5907 packages/chimerax/core/session.py", line 943, in <lambda> 
    5908 logger.report_exception(preface=preface)) 
    5909 File
    5910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5911 packages/chimerax/core/logger.py", line 421, in report_exception 
    5912 elif probably_chimera1_session(exc_info): 
    5913 File
    5914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5915 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5916 etype, evalue, etraceback = exc_info 
    5917 TypeError: cannot unpack non-iterable NoneType object 
    5918  
    5919 TypeError: cannot unpack non-iterable NoneType object 
    5920  
    5921 File
    5922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5923 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5924 etype, evalue, etraceback = exc_info 
    5925  
    5926 See log for complete Python traceback. 
    5927  
    5928 Traceback (most recent call last): 
    5929 File
    5930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5931 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5932 return self._func(self._name, data) 
    5933 File
    5934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5935 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5936 if v.display: 
    5937 File
    5938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5939 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5940 return self._any_displayed_positions and len(self._positions) > 0 
    5941 TypeError: object of type 'NoneType' has no len() 
    5942  
    5943 During handling of the above exception, another exception occurred: 
    5944  
    5945 Traceback (most recent call last): 
    5946 File
    5947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5948 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5949 if not self.draw_new_frame(): 
    5950 File
    5951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5952 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5953 changed = view.check_for_drawing_change() 
    5954 File
    5955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5956 packages/chimerax/core/graphics/view.py", line 252, in
    5957 check_for_drawing_change 
    5958 trig.activate_trigger('graphics update', self) 
    5959 File
    5960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5961 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5962 trigger.activate(data) 
    5963 File
    5964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5965 packages/chimerax/core/triggerset.py", line 190, in activate 
    5966 ret = handler.invoke(data, self._remove_bad_handlers) 
    5967 File
    5968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5969 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5970 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5971 File
    5972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5973 packages/chimerax/core/session.py", line 943, in <lambda> 
    5974 logger.report_exception(preface=preface)) 
    5975 File
    5976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5977 packages/chimerax/core/logger.py", line 421, in report_exception 
    5978 elif probably_chimera1_session(exc_info): 
    5979 File
    5980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5981 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5982 etype, evalue, etraceback = exc_info 
    5983 TypeError: cannot unpack non-iterable NoneType object 
    5984  
    5985 TypeError: cannot unpack non-iterable NoneType object 
    5986  
    5987 File
    5988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5989 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5990 etype, evalue, etraceback = exc_info 
    5991  
    5992 See log for complete Python traceback. 
    5993  
    5994 Traceback (most recent call last): 
    5995 File
    5996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5997 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5998 return self._func(self._name, data) 
    5999 File
    6000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6001 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6002 if v.display: 
    6003 File
    6004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6005 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6006 return self._any_displayed_positions and len(self._positions) > 0 
    6007 TypeError: object of type 'NoneType' has no len() 
    6008  
    6009 During handling of the above exception, another exception occurred: 
    6010  
    6011 Traceback (most recent call last): 
    6012 File
    6013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6014 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6015 if not self.draw_new_frame(): 
    6016 File
    6017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6018 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6019 changed = view.check_for_drawing_change() 
    6020 File
    6021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6022 packages/chimerax/core/graphics/view.py", line 252, in
    6023 check_for_drawing_change 
    6024 trig.activate_trigger('graphics update', self) 
    6025 File
    6026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6027 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6028 trigger.activate(data) 
    6029 File
    6030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6031 packages/chimerax/core/triggerset.py", line 190, in activate 
    6032 ret = handler.invoke(data, self._remove_bad_handlers) 
    6033 File
    6034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6035 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6036 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6037 File
    6038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6039 packages/chimerax/core/session.py", line 943, in <lambda> 
    6040 logger.report_exception(preface=preface)) 
    6041 File
    6042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6043 packages/chimerax/core/logger.py", line 421, in report_exception 
    6044 elif probably_chimera1_session(exc_info): 
    6045 File
    6046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6047 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6048 etype, evalue, etraceback = exc_info 
    6049 TypeError: cannot unpack non-iterable NoneType object 
    6050  
    6051 TypeError: cannot unpack non-iterable NoneType object 
    6052  
    6053 File
    6054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6055 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6056 etype, evalue, etraceback = exc_info 
    6057  
    6058 See log for complete Python traceback. 
    6059  
    6060 Traceback (most recent call last): 
    6061 File
    6062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6063 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6064 return self._func(self._name, data) 
    6065 File
    6066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6067 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6068 if v.display: 
    6069 File
    6070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6071 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6072 return self._any_displayed_positions and len(self._positions) > 0 
    6073 TypeError: object of type 'NoneType' has no len() 
    6074  
    6075 During handling of the above exception, another exception occurred: 
    6076  
    6077 Traceback (most recent call last): 
    6078 File
    6079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6080 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6081 if not self.draw_new_frame(): 
    6082 File
    6083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6084 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6085 changed = view.check_for_drawing_change() 
    6086 File
    6087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6088 packages/chimerax/core/graphics/view.py", line 252, in
    6089 check_for_drawing_change 
    6090 trig.activate_trigger('graphics update', self) 
    6091 File
    6092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6093 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6094 trigger.activate(data) 
    6095 File
    6096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6097 packages/chimerax/core/triggerset.py", line 190, in activate 
    6098 ret = handler.invoke(data, self._remove_bad_handlers) 
    6099 File
    6100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6101 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6102 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6103 File
    6104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6105 packages/chimerax/core/session.py", line 943, in <lambda> 
    6106 logger.report_exception(preface=preface)) 
    6107 File
    6108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6109 packages/chimerax/core/logger.py", line 421, in report_exception 
    6110 elif probably_chimera1_session(exc_info): 
    6111 File
    6112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6113 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6114 etype, evalue, etraceback = exc_info 
    6115 TypeError: cannot unpack non-iterable NoneType object 
    6116  
    6117 TypeError: cannot unpack non-iterable NoneType object 
    6118  
    6119 File
    6120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6121 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6122 etype, evalue, etraceback = exc_info 
    6123  
    6124 See log for complete Python traceback. 
    6125  
    6126 Traceback (most recent call last): 
    6127 File
    6128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6129 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6130 return self._func(self._name, data) 
    6131 File
    6132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6133 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6134 if v.display: 
    6135 File
    6136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6137 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6138 return self._any_displayed_positions and len(self._positions) > 0 
    6139 TypeError: object of type 'NoneType' has no len() 
    6140  
    6141 During handling of the above exception, another exception occurred: 
    6142  
    6143 Traceback (most recent call last): 
    6144 File
    6145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6146 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6147 if not self.draw_new_frame(): 
    6148 File
    6149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6150 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6151 changed = view.check_for_drawing_change() 
    6152 File
    6153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6154 packages/chimerax/core/graphics/view.py", line 252, in
    6155 check_for_drawing_change 
    6156 trig.activate_trigger('graphics update', self) 
    6157 File
    6158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6159 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6160 trigger.activate(data) 
    6161 File
    6162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6163 packages/chimerax/core/triggerset.py", line 190, in activate 
    6164 ret = handler.invoke(data, self._remove_bad_handlers) 
    6165 File
    6166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6167 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6168 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6169 File
    6170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6171 packages/chimerax/core/session.py", line 943, in <lambda> 
    6172 logger.report_exception(preface=preface)) 
    6173 File
    6174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6175 packages/chimerax/core/logger.py", line 421, in report_exception 
    6176 elif probably_chimera1_session(exc_info): 
    6177 File
    6178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6179 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6180 etype, evalue, etraceback = exc_info 
    6181 TypeError: cannot unpack non-iterable NoneType object 
    6182  
    6183 TypeError: cannot unpack non-iterable NoneType object 
    6184  
    6185 File
    6186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6187 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6188 etype, evalue, etraceback = exc_info 
    6189  
    6190 See log for complete Python traceback. 
    6191  
    6192 Traceback (most recent call last): 
    6193 File
    6194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6195 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6196 return self._func(self._name, data) 
    6197 File
    6198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6199 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6200 if v.display: 
    6201 File
    6202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6203 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6204 return self._any_displayed_positions and len(self._positions) > 0 
    6205 TypeError: object of type 'NoneType' has no len() 
    6206  
    6207 During handling of the above exception, another exception occurred: 
    6208  
    6209 Traceback (most recent call last): 
    6210 File
    6211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6212 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6213 if not self.draw_new_frame(): 
    6214 File
    6215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6216 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6217 changed = view.check_for_drawing_change() 
    6218 File
    6219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6220 packages/chimerax/core/graphics/view.py", line 252, in
    6221 check_for_drawing_change 
    6222 trig.activate_trigger('graphics update', self) 
    6223 File
    6224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6225 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6226 trigger.activate(data) 
    6227 File
    6228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6229 packages/chimerax/core/triggerset.py", line 190, in activate 
    6230 ret = handler.invoke(data, self._remove_bad_handlers) 
    6231 File
    6232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6233 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6234 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6235 File
    6236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6237 packages/chimerax/core/session.py", line 943, in <lambda> 
    6238 logger.report_exception(preface=preface)) 
    6239 File
    6240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6241 packages/chimerax/core/logger.py", line 421, in report_exception 
    6242 elif probably_chimera1_session(exc_info): 
    6243 File
    6244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6245 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6246 etype, evalue, etraceback = exc_info 
    6247 TypeError: cannot unpack non-iterable NoneType object 
    6248  
    6249 TypeError: cannot unpack non-iterable NoneType object 
    6250  
    6251 File
    6252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6253 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6254 etype, evalue, etraceback = exc_info 
    6255  
    6256 See log for complete Python traceback. 
    6257  
    6258 Traceback (most recent call last): 
    6259 File
    6260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6261 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6262 return self._func(self._name, data) 
    6263 File
    6264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6265 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6266 if v.display: 
    6267 File
    6268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6269 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6270 return self._any_displayed_positions and len(self._positions) > 0 
    6271 TypeError: object of type 'NoneType' has no len() 
    6272  
    6273 During handling of the above exception, another exception occurred: 
    6274  
    6275 Traceback (most recent call last): 
    6276 File
    6277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6278 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6279 if not self.draw_new_frame(): 
    6280 File
    6281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6282 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6283 changed = view.check_for_drawing_change() 
    6284 File
    6285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6286 packages/chimerax/core/graphics/view.py", line 252, in
    6287 check_for_drawing_change 
    6288 trig.activate_trigger('graphics update', self) 
    6289 File
    6290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6291 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6292 trigger.activate(data) 
    6293 File
    6294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6295 packages/chimerax/core/triggerset.py", line 190, in activate 
    6296 ret = handler.invoke(data, self._remove_bad_handlers) 
    6297 File
    6298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6299 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6300 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6301 File
    6302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6303 packages/chimerax/core/session.py", line 943, in <lambda> 
    6304 logger.report_exception(preface=preface)) 
    6305 File
    6306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6307 packages/chimerax/core/logger.py", line 421, in report_exception 
    6308 elif probably_chimera1_session(exc_info): 
    6309 File
    6310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6311 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6312 etype, evalue, etraceback = exc_info 
    6313 TypeError: cannot unpack non-iterable NoneType object 
    6314  
    6315 TypeError: cannot unpack non-iterable NoneType object 
    6316  
    6317 File
    6318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6319 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6320 etype, evalue, etraceback = exc_info 
    6321  
    6322 See log for complete Python traceback. 
    6323  
    6324 Traceback (most recent call last): 
    6325 File
    6326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6327 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6328 return self._func(self._name, data) 
    6329 File
    6330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6331 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6332 if v.display: 
    6333 File
    6334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6335 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6336 return self._any_displayed_positions and len(self._positions) > 0 
    6337 TypeError: object of type 'NoneType' has no len() 
    6338  
    6339 During handling of the above exception, another exception occurred: 
    6340  
    6341 Traceback (most recent call last): 
    6342 File
    6343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6344 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6345 if not self.draw_new_frame(): 
    6346 File
    6347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6348 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6349 changed = view.check_for_drawing_change() 
    6350 File
    6351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6352 packages/chimerax/core/graphics/view.py", line 252, in
    6353 check_for_drawing_change 
    6354 trig.activate_trigger('graphics update', self) 
    6355 File
    6356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6357 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6358 trigger.activate(data) 
    6359 File
    6360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6361 packages/chimerax/core/triggerset.py", line 190, in activate 
    6362 ret = handler.invoke(data, self._remove_bad_handlers) 
    6363 File
    6364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6365 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6366 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6367 File
    6368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6369 packages/chimerax/core/session.py", line 943, in <lambda> 
    6370 logger.report_exception(preface=preface)) 
    6371 File
    6372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6373 packages/chimerax/core/logger.py", line 421, in report_exception 
    6374 elif probably_chimera1_session(exc_info): 
    6375 File
    6376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6377 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6378 etype, evalue, etraceback = exc_info 
    6379 TypeError: cannot unpack non-iterable NoneType object 
    6380  
    6381 TypeError: cannot unpack non-iterable NoneType object 
    6382  
    6383 File
    6384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6385 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6386 etype, evalue, etraceback = exc_info 
    6387  
    6388 See log for complete Python traceback. 
    6389  
    6390 Traceback (most recent call last): 
    6391 File
    6392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6393 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6394 return self._func(self._name, data) 
    6395 File
    6396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6397 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6398 if v.display: 
    6399 File
    6400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6401 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6402 return self._any_displayed_positions and len(self._positions) > 0 
    6403 TypeError: object of type 'NoneType' has no len() 
    6404  
    6405 During handling of the above exception, another exception occurred: 
    6406  
    6407 Traceback (most recent call last): 
    6408 File
    6409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6410 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6411 if not self.draw_new_frame(): 
    6412 File
    6413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6414 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6415 changed = view.check_for_drawing_change() 
    6416 File
    6417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6418 packages/chimerax/core/graphics/view.py", line 252, in
    6419 check_for_drawing_change 
    6420 trig.activate_trigger('graphics update', self) 
    6421 File
    6422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6423 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6424 trigger.activate(data) 
    6425 File
    6426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6427 packages/chimerax/core/triggerset.py", line 190, in activate 
    6428 ret = handler.invoke(data, self._remove_bad_handlers) 
    6429 File
    6430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6431 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6432 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6433 File
    6434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6435 packages/chimerax/core/session.py", line 943, in <lambda> 
    6436 logger.report_exception(preface=preface)) 
    6437 File
    6438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6439 packages/chimerax/core/logger.py", line 421, in report_exception 
    6440 elif probably_chimera1_session(exc_info): 
    6441 File
    6442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6443 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6444 etype, evalue, etraceback = exc_info 
    6445 TypeError: cannot unpack non-iterable NoneType object 
    6446  
    6447 TypeError: cannot unpack non-iterable NoneType object 
    6448  
    6449 File
    6450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6451 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6452 etype, evalue, etraceback = exc_info 
    6453  
    6454 See log for complete Python traceback. 
    6455  
    6456 Traceback (most recent call last): 
    6457 File
    6458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6459 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6460 return self._func(self._name, data) 
    6461 File
    6462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6463 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6464 if v.display: 
    6465 File
    6466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6467 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6468 return self._any_displayed_positions and len(self._positions) > 0 
    6469 TypeError: object of type 'NoneType' has no len() 
    6470  
    6471 During handling of the above exception, another exception occurred: 
    6472  
    6473 Traceback (most recent call last): 
    6474 File
    6475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6476 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6477 if not self.draw_new_frame(): 
    6478 File
    6479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6480 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6481 changed = view.check_for_drawing_change() 
    6482 File
    6483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6484 packages/chimerax/core/graphics/view.py", line 252, in
    6485 check_for_drawing_change 
    6486 trig.activate_trigger('graphics update', self) 
    6487 File
    6488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6489 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6490 trigger.activate(data) 
    6491 File
    6492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6493 packages/chimerax/core/triggerset.py", line 190, in activate 
    6494 ret = handler.invoke(data, self._remove_bad_handlers) 
    6495 File
    6496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6497 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6498 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6499 File
    6500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6501 packages/chimerax/core/session.py", line 943, in <lambda> 
    6502 logger.report_exception(preface=preface)) 
    6503 File
    6504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6505 packages/chimerax/core/logger.py", line 421, in report_exception 
    6506 elif probably_chimera1_session(exc_info): 
    6507 File
    6508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6509 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6510 etype, evalue, etraceback = exc_info 
    6511 TypeError: cannot unpack non-iterable NoneType object 
    6512  
    6513 TypeError: cannot unpack non-iterable NoneType object 
    6514  
    6515 File
    6516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6517 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6518 etype, evalue, etraceback = exc_info 
    6519  
    6520 See log for complete Python traceback. 
    6521  
    6522 Traceback (most recent call last): 
    6523 File
    6524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6525 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6526 return self._func(self._name, data) 
    6527 File
    6528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6529 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6530 if v.display: 
    6531 File
    6532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6533 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6534 return self._any_displayed_positions and len(self._positions) > 0 
    6535 TypeError: object of type 'NoneType' has no len() 
    6536  
    6537 During handling of the above exception, another exception occurred: 
    6538  
    6539 Traceback (most recent call last): 
    6540 File
    6541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6542 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6543 if not self.draw_new_frame(): 
    6544 File
    6545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6546 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6547 changed = view.check_for_drawing_change() 
    6548 File
    6549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6550 packages/chimerax/core/graphics/view.py", line 252, in
    6551 check_for_drawing_change 
    6552 trig.activate_trigger('graphics update', self) 
    6553 File
    6554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6555 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6556 trigger.activate(data) 
    6557 File
    6558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6559 packages/chimerax/core/triggerset.py", line 190, in activate 
    6560 ret = handler.invoke(data, self._remove_bad_handlers) 
    6561 File
    6562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6563 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6564 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6565 File
    6566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6567 packages/chimerax/core/session.py", line 943, in <lambda> 
    6568 logger.report_exception(preface=preface)) 
    6569 File
    6570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6571 packages/chimerax/core/logger.py", line 421, in report_exception 
    6572 elif probably_chimera1_session(exc_info): 
    6573 File
    6574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6575 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6576 etype, evalue, etraceback = exc_info 
    6577 TypeError: cannot unpack non-iterable NoneType object 
    6578  
    6579 TypeError: cannot unpack non-iterable NoneType object 
    6580  
    6581 File
    6582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6583 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6584 etype, evalue, etraceback = exc_info 
    6585  
    6586 See log for complete Python traceback. 
    6587  
    6588 Traceback (most recent call last): 
    6589 File
    6590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6591 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6592 return self._func(self._name, data) 
    6593 File
    6594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6595 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6596 if v.display: 
    6597 File
    6598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6599 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6600 return self._any_displayed_positions and len(self._positions) > 0 
    6601 TypeError: object of type 'NoneType' has no len() 
    6602  
    6603 During handling of the above exception, another exception occurred: 
    6604  
    6605 Traceback (most recent call last): 
    6606 File
    6607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6608 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6609 if not self.draw_new_frame(): 
    6610 File
    6611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6612 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6613 changed = view.check_for_drawing_change() 
    6614 File
    6615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6616 packages/chimerax/core/graphics/view.py", line 252, in
    6617 check_for_drawing_change 
    6618 trig.activate_trigger('graphics update', self) 
    6619 File
    6620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6621 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6622 trigger.activate(data) 
    6623 File
    6624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6625 packages/chimerax/core/triggerset.py", line 190, in activate 
    6626 ret = handler.invoke(data, self._remove_bad_handlers) 
    6627 File
    6628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6629 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6630 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6631 File
    6632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6633 packages/chimerax/core/session.py", line 943, in <lambda> 
    6634 logger.report_exception(preface=preface)) 
    6635 File
    6636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6637 packages/chimerax/core/logger.py", line 421, in report_exception 
    6638 elif probably_chimera1_session(exc_info): 
    6639 File
    6640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6641 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6642 etype, evalue, etraceback = exc_info 
    6643 TypeError: cannot unpack non-iterable NoneType object 
    6644  
    6645 TypeError: cannot unpack non-iterable NoneType object 
    6646  
    6647 File
    6648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6649 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6650 etype, evalue, etraceback = exc_info 
    6651  
    6652 See log for complete Python traceback. 
    6653  
    6654 Traceback (most recent call last): 
    6655 File
    6656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6657 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6658 return self._func(self._name, data) 
    6659 File
    6660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6661 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6662 if v.display: 
    6663 File
    6664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6665 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6666 return self._any_displayed_positions and len(self._positions) > 0 
    6667 TypeError: object of type 'NoneType' has no len() 
    6668  
    6669 During handling of the above exception, another exception occurred: 
    6670  
    6671 Traceback (most recent call last): 
    6672 File
    6673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6674 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6675 if not self.draw_new_frame(): 
    6676 File
    6677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6678 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6679 changed = view.check_for_drawing_change() 
    6680 File
    6681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6682 packages/chimerax/core/graphics/view.py", line 252, in
    6683 check_for_drawing_change 
    6684 trig.activate_trigger('graphics update', self) 
    6685 File
    6686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6687 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6688 trigger.activate(data) 
    6689 File
    6690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6691 packages/chimerax/core/triggerset.py", line 190, in activate 
    6692 ret = handler.invoke(data, self._remove_bad_handlers) 
    6693 File
    6694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6695 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6696 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6697 File
    6698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6699 packages/chimerax/core/session.py", line 943, in <lambda> 
    6700 logger.report_exception(preface=preface)) 
    6701 File
    6702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6703 packages/chimerax/core/logger.py", line 421, in report_exception 
    6704 elif probably_chimera1_session(exc_info): 
    6705 File
    6706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6707 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6708 etype, evalue, etraceback = exc_info 
    6709 TypeError: cannot unpack non-iterable NoneType object 
    6710  
    6711 TypeError: cannot unpack non-iterable NoneType object 
    6712  
    6713 File
    6714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6715 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6716 etype, evalue, etraceback = exc_info 
    6717  
    6718 See log for complete Python traceback. 
    6719  
    6720 Traceback (most recent call last): 
    6721 File
    6722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6723 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6724 return self._func(self._name, data) 
    6725 File
    6726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6727 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6728 if v.display: 
    6729 File
    6730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6731 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6732 return self._any_displayed_positions and len(self._positions) > 0 
    6733 TypeError: object of type 'NoneType' has no len() 
    6734  
    6735 During handling of the above exception, another exception occurred: 
    6736  
    6737 Traceback (most recent call last): 
    6738 File
    6739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6740 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6741 if not self.draw_new_frame(): 
    6742 File
    6743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6744 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6745 changed = view.check_for_drawing_change() 
    6746 File
    6747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6748 packages/chimerax/core/graphics/view.py", line 252, in
    6749 check_for_drawing_change 
    6750 trig.activate_trigger('graphics update', self) 
    6751 File
    6752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6753 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6754 trigger.activate(data) 
    6755 File
    6756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6757 packages/chimerax/core/triggerset.py", line 190, in activate 
    6758 ret = handler.invoke(data, self._remove_bad_handlers) 
    6759 File
    6760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6761 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6762 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6763 File
    6764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6765 packages/chimerax/core/session.py", line 943, in <lambda> 
    6766 logger.report_exception(preface=preface)) 
    6767 File
    6768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6769 packages/chimerax/core/logger.py", line 421, in report_exception 
    6770 elif probably_chimera1_session(exc_info): 
    6771 File
    6772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6773 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6774 etype, evalue, etraceback = exc_info 
    6775 TypeError: cannot unpack non-iterable NoneType object 
    6776  
    6777 TypeError: cannot unpack non-iterable NoneType object 
    6778  
    6779 File
    6780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6781 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6782 etype, evalue, etraceback = exc_info 
    6783  
    6784 See log for complete Python traceback. 
    6785  
    6786 Traceback (most recent call last): 
    6787 File
    6788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6789 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6790 return self._func(self._name, data) 
    6791 File
    6792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6793 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6794 if v.display: 
    6795 File
    6796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6797 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6798 return self._any_displayed_positions and len(self._positions) > 0 
    6799 TypeError: object of type 'NoneType' has no len() 
    6800  
    6801 During handling of the above exception, another exception occurred: 
    6802  
    6803 Traceback (most recent call last): 
    6804 File
    6805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6806 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6807 if not self.draw_new_frame(): 
    6808 File
    6809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6810 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6811 changed = view.check_for_drawing_change() 
    6812 File
    6813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6814 packages/chimerax/core/graphics/view.py", line 252, in
    6815 check_for_drawing_change 
    6816 trig.activate_trigger('graphics update', self) 
    6817 File
    6818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6819 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6820 trigger.activate(data) 
    6821 File
    6822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6823 packages/chimerax/core/triggerset.py", line 190, in activate 
    6824 ret = handler.invoke(data, self._remove_bad_handlers) 
    6825 File
    6826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6827 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6828 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6829 File
    6830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6831 packages/chimerax/core/session.py", line 943, in <lambda> 
    6832 logger.report_exception(preface=preface)) 
    6833 File
    6834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6835 packages/chimerax/core/logger.py", line 421, in report_exception 
    6836 elif probably_chimera1_session(exc_info): 
    6837 File
    6838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6839 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6840 etype, evalue, etraceback = exc_info 
    6841 TypeError: cannot unpack non-iterable NoneType object 
    6842  
    6843 TypeError: cannot unpack non-iterable NoneType object 
    6844  
    6845 File
    6846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6847 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6848 etype, evalue, etraceback = exc_info 
    6849  
    6850 See log for complete Python traceback. 
    6851  
    6852 Traceback (most recent call last): 
    6853 File
    6854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6855 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6856 return self._func(self._name, data) 
    6857 File
    6858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6859 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6860 if v.display: 
    6861 File
    6862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6863 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6864 return self._any_displayed_positions and len(self._positions) > 0 
    6865 TypeError: object of type 'NoneType' has no len() 
    6866  
    6867 During handling of the above exception, another exception occurred: 
    6868  
    6869 Traceback (most recent call last): 
    6870 File
    6871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6872 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6873 if not self.draw_new_frame(): 
    6874 File
    6875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6876 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6877 changed = view.check_for_drawing_change() 
    6878 File
    6879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6880 packages/chimerax/core/graphics/view.py", line 252, in
    6881 check_for_drawing_change 
    6882 trig.activate_trigger('graphics update', self) 
    6883 File
    6884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6885 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6886 trigger.activate(data) 
    6887 File
    6888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6889 packages/chimerax/core/triggerset.py", line 190, in activate 
    6890 ret = handler.invoke(data, self._remove_bad_handlers) 
    6891 File
    6892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6893 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6894 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6895 File
    6896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6897 packages/chimerax/core/session.py", line 943, in <lambda> 
    6898 logger.report_exception(preface=preface)) 
    6899 File
    6900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6901 packages/chimerax/core/logger.py", line 421, in report_exception 
    6902 elif probably_chimera1_session(exc_info): 
    6903 File
    6904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6905 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6906 etype, evalue, etraceback = exc_info 
    6907 TypeError: cannot unpack non-iterable NoneType object 
    6908  
    6909 TypeError: cannot unpack non-iterable NoneType object 
    6910  
    6911 File
    6912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6913 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6914 etype, evalue, etraceback = exc_info 
    6915  
    6916 See log for complete Python traceback. 
    6917  
    6918 Traceback (most recent call last): 
    6919 File
    6920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6921 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6922 return self._func(self._name, data) 
    6923 File
    6924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6925 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6926 if v.display: 
    6927 File
    6928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6929 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6930 return self._any_displayed_positions and len(self._positions) > 0 
    6931 TypeError: object of type 'NoneType' has no len() 
    6932  
    6933 During handling of the above exception, another exception occurred: 
    6934  
    6935 Traceback (most recent call last): 
    6936 File
    6937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6938 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6939 if not self.draw_new_frame(): 
    6940 File
    6941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6942 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6943 changed = view.check_for_drawing_change() 
    6944 File
    6945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6946 packages/chimerax/core/graphics/view.py", line 252, in
    6947 check_for_drawing_change 
    6948 trig.activate_trigger('graphics update', self) 
    6949 File
    6950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6951 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6952 trigger.activate(data) 
    6953 File
    6954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6955 packages/chimerax/core/triggerset.py", line 190, in activate 
    6956 ret = handler.invoke(data, self._remove_bad_handlers) 
    6957 File
    6958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6959 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6960 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6961 File
    6962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6963 packages/chimerax/core/session.py", line 943, in <lambda> 
    6964 logger.report_exception(preface=preface)) 
    6965 File
    6966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6967 packages/chimerax/core/logger.py", line 421, in report_exception 
    6968 elif probably_chimera1_session(exc_info): 
    6969 File
    6970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6971 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6972 etype, evalue, etraceback = exc_info 
    6973 TypeError: cannot unpack non-iterable NoneType object 
    6974  
    6975 TypeError: cannot unpack non-iterable NoneType object 
    6976  
    6977 File
    6978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6979 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6980 etype, evalue, etraceback = exc_info 
    6981  
    6982 See log for complete Python traceback. 
    6983  
    6984 Traceback (most recent call last): 
    6985 File
    6986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6987 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6988 return self._func(self._name, data) 
    6989 File
    6990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6991 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6992 if v.display: 
    6993 File
    6994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6995 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6996 return self._any_displayed_positions and len(self._positions) > 0 
    6997 TypeError: object of type 'NoneType' has no len() 
    6998  
    6999 During handling of the above exception, another exception occurred: 
    7000  
    7001 Traceback (most recent call last): 
    7002 File
    7003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7004 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7005 if not self.draw_new_frame(): 
    7006 File
    7007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7008 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7009 changed = view.check_for_drawing_change() 
    7010 File
    7011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7012 packages/chimerax/core/graphics/view.py", line 252, in
    7013 check_for_drawing_change 
    7014 trig.activate_trigger('graphics update', self) 
    7015 File
    7016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7017 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7018 trigger.activate(data) 
    7019 File
    7020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7021 packages/chimerax/core/triggerset.py", line 190, in activate 
    7022 ret = handler.invoke(data, self._remove_bad_handlers) 
    7023 File
    7024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7025 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7026 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7027 File
    7028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7029 packages/chimerax/core/session.py", line 943, in <lambda> 
    7030 logger.report_exception(preface=preface)) 
    7031 File
    7032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7033 packages/chimerax/core/logger.py", line 421, in report_exception 
    7034 elif probably_chimera1_session(exc_info): 
    7035 File
    7036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7037 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7038 etype, evalue, etraceback = exc_info 
    7039 TypeError: cannot unpack non-iterable NoneType object 
    7040  
    7041 TypeError: cannot unpack non-iterable NoneType object 
    7042  
    7043 File
    7044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7045 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7046 etype, evalue, etraceback = exc_info 
    7047  
    7048 See log for complete Python traceback. 
    7049  
    7050 Traceback (most recent call last): 
    7051 File
    7052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7053 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7054 return self._func(self._name, data) 
    7055 File
    7056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7057 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7058 if v.display: 
    7059 File
    7060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7061 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7062 return self._any_displayed_positions and len(self._positions) > 0 
    7063 TypeError: object of type 'NoneType' has no len() 
    7064  
    7065 During handling of the above exception, another exception occurred: 
    7066  
    7067 Traceback (most recent call last): 
    7068 File
    7069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7070 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7071 if not self.draw_new_frame(): 
    7072 File
    7073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7074 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7075 changed = view.check_for_drawing_change() 
    7076 File
    7077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7078 packages/chimerax/core/graphics/view.py", line 252, in
    7079 check_for_drawing_change 
    7080 trig.activate_trigger('graphics update', self) 
    7081 File
    7082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7083 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7084 trigger.activate(data) 
    7085 File
    7086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7087 packages/chimerax/core/triggerset.py", line 190, in activate 
    7088 ret = handler.invoke(data, self._remove_bad_handlers) 
    7089 File
    7090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7091 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7092 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7093 File
    7094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7095 packages/chimerax/core/session.py", line 943, in <lambda> 
    7096 logger.report_exception(preface=preface)) 
    7097 File
    7098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7099 packages/chimerax/core/logger.py", line 421, in report_exception 
    7100 elif probably_chimera1_session(exc_info): 
    7101 File
    7102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7103 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7104 etype, evalue, etraceback = exc_info 
    7105 TypeError: cannot unpack non-iterable NoneType object 
    7106  
    7107 TypeError: cannot unpack non-iterable NoneType object 
    7108  
    7109 File
    7110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7111 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7112 etype, evalue, etraceback = exc_info 
    7113  
    7114 See log for complete Python traceback. 
    7115  
    7116 Traceback (most recent call last): 
    7117 File
    7118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7119 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7120 return self._func(self._name, data) 
    7121 File
    7122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7123 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7124 if v.display: 
    7125 File
    7126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7127 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7128 return self._any_displayed_positions and len(self._positions) > 0 
    7129 TypeError: object of type 'NoneType' has no len() 
    7130  
    7131 During handling of the above exception, another exception occurred: 
    7132  
    7133 Traceback (most recent call last): 
    7134 File
    7135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7136 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7137 if not self.draw_new_frame(): 
    7138 File
    7139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7140 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7141 changed = view.check_for_drawing_change() 
    7142 File
    7143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7144 packages/chimerax/core/graphics/view.py", line 252, in
    7145 check_for_drawing_change 
    7146 trig.activate_trigger('graphics update', self) 
    7147 File
    7148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7149 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7150 trigger.activate(data) 
    7151 File
    7152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7153 packages/chimerax/core/triggerset.py", line 190, in activate 
    7154 ret = handler.invoke(data, self._remove_bad_handlers) 
    7155 File
    7156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7157 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7158 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7159 File
    7160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7161 packages/chimerax/core/session.py", line 943, in <lambda> 
    7162 logger.report_exception(preface=preface)) 
    7163 File
    7164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7165 packages/chimerax/core/logger.py", line 421, in report_exception 
    7166 elif probably_chimera1_session(exc_info): 
    7167 File
    7168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7169 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7170 etype, evalue, etraceback = exc_info 
    7171 TypeError: cannot unpack non-iterable NoneType object 
    7172  
    7173 TypeError: cannot unpack non-iterable NoneType object 
    7174  
    7175 File
    7176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7177 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7178 etype, evalue, etraceback = exc_info 
    7179  
    7180 See log for complete Python traceback. 
    7181  
    7182 Traceback (most recent call last): 
    7183 File
    7184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7185 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7186 return self._func(self._name, data) 
    7187 File
    7188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7189 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7190 if v.display: 
    7191 File
    7192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7193 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7194 return self._any_displayed_positions and len(self._positions) > 0 
    7195 TypeError: object of type 'NoneType' has no len() 
    7196  
    7197 During handling of the above exception, another exception occurred: 
    7198  
    7199 Traceback (most recent call last): 
    7200 File
    7201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7202 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7203 if not self.draw_new_frame(): 
    7204 File
    7205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7206 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7207 changed = view.check_for_drawing_change() 
    7208 File
    7209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7210 packages/chimerax/core/graphics/view.py", line 252, in
    7211 check_for_drawing_change 
    7212 trig.activate_trigger('graphics update', self) 
    7213 File
    7214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7215 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7216 trigger.activate(data) 
    7217 File
    7218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7219 packages/chimerax/core/triggerset.py", line 190, in activate 
    7220 ret = handler.invoke(data, self._remove_bad_handlers) 
    7221 File
    7222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7223 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7224 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7225 File
    7226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7227 packages/chimerax/core/session.py", line 943, in <lambda> 
    7228 logger.report_exception(preface=preface)) 
    7229 File
    7230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7231 packages/chimerax/core/logger.py", line 421, in report_exception 
    7232 elif probably_chimera1_session(exc_info): 
    7233 File
    7234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7235 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7236 etype, evalue, etraceback = exc_info 
    7237 TypeError: cannot unpack non-iterable NoneType object 
    7238  
    7239 TypeError: cannot unpack non-iterable NoneType object 
    7240  
    7241 File
    7242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7243 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7244 etype, evalue, etraceback = exc_info 
    7245  
    7246 See log for complete Python traceback. 
    7247  
    7248 Traceback (most recent call last): 
    7249 File
    7250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7251 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7252 return self._func(self._name, data) 
    7253 File
    7254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7255 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7256 if v.display: 
    7257 File
    7258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7259 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7260 return self._any_displayed_positions and len(self._positions) > 0 
    7261 TypeError: object of type 'NoneType' has no len() 
    7262  
    7263 During handling of the above exception, another exception occurred: 
    7264  
    7265 Traceback (most recent call last): 
    7266 File
    7267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7268 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7269 if not self.draw_new_frame(): 
    7270 File
    7271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7272 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7273 changed = view.check_for_drawing_change() 
    7274 File
    7275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7276 packages/chimerax/core/graphics/view.py", line 252, in
    7277 check_for_drawing_change 
    7278 trig.activate_trigger('graphics update', self) 
    7279 File
    7280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7281 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7282 trigger.activate(data) 
    7283 File
    7284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7285 packages/chimerax/core/triggerset.py", line 190, in activate 
    7286 ret = handler.invoke(data, self._remove_bad_handlers) 
    7287 File
    7288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7289 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7290 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7291 File
    7292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7293 packages/chimerax/core/session.py", line 943, in <lambda> 
    7294 logger.report_exception(preface=preface)) 
    7295 File
    7296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7297 packages/chimerax/core/logger.py", line 421, in report_exception 
    7298 elif probably_chimera1_session(exc_info): 
    7299 File
    7300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7301 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7302 etype, evalue, etraceback = exc_info 
    7303 TypeError: cannot unpack non-iterable NoneType object 
    7304  
    7305 TypeError: cannot unpack non-iterable NoneType object 
    7306  
    7307 File
    7308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7309 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7310 etype, evalue, etraceback = exc_info 
    7311  
    7312 See log for complete Python traceback. 
    7313  
    7314 Traceback (most recent call last): 
    7315 File
    7316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7317 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7318 return self._func(self._name, data) 
    7319 File
    7320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7321 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7322 if v.display: 
    7323 File
    7324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7325 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7326 return self._any_displayed_positions and len(self._positions) > 0 
    7327 TypeError: object of type 'NoneType' has no len() 
    7328  
    7329 During handling of the above exception, another exception occurred: 
    7330  
    7331 Traceback (most recent call last): 
    7332 File
    7333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7334 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7335 if not self.draw_new_frame(): 
    7336 File
    7337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7338 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7339 changed = view.check_for_drawing_change() 
    7340 File
    7341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7342 packages/chimerax/core/graphics/view.py", line 252, in
    7343 check_for_drawing_change 
    7344 trig.activate_trigger('graphics update', self) 
    7345 File
    7346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7347 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7348 trigger.activate(data) 
    7349 File
    7350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7351 packages/chimerax/core/triggerset.py", line 190, in activate 
    7352 ret = handler.invoke(data, self._remove_bad_handlers) 
    7353 File
    7354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7355 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7356 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7357 File
    7358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7359 packages/chimerax/core/session.py", line 943, in <lambda> 
    7360 logger.report_exception(preface=preface)) 
    7361 File
    7362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7363 packages/chimerax/core/logger.py", line 421, in report_exception 
    7364 elif probably_chimera1_session(exc_info): 
    7365 File
    7366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7367 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7368 etype, evalue, etraceback = exc_info 
    7369 TypeError: cannot unpack non-iterable NoneType object 
    7370  
    7371 TypeError: cannot unpack non-iterable NoneType object 
    7372  
    7373 File
    7374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7375 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7376 etype, evalue, etraceback = exc_info 
    7377  
    7378 See log for complete Python traceback. 
    7379  
    7380 Traceback (most recent call last): 
    7381 File
    7382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7383 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7384 return self._func(self._name, data) 
    7385 File
    7386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7387 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7388 if v.display: 
    7389 File
    7390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7391 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7392 return self._any_displayed_positions and len(self._positions) > 0 
    7393 TypeError: object of type 'NoneType' has no len() 
    7394  
    7395 During handling of the above exception, another exception occurred: 
    7396  
    7397 Traceback (most recent call last): 
    7398 File
    7399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7400 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7401 if not self.draw_new_frame(): 
    7402 File
    7403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7404 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7405 changed = view.check_for_drawing_change() 
    7406 File
    7407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7408 packages/chimerax/core/graphics/view.py", line 252, in
    7409 check_for_drawing_change 
    7410 trig.activate_trigger('graphics update', self) 
    7411 File
    7412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7413 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7414 trigger.activate(data) 
    7415 File
    7416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7417 packages/chimerax/core/triggerset.py", line 190, in activate 
    7418 ret = handler.invoke(data, self._remove_bad_handlers) 
    7419 File
    7420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7421 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7422 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7423 File
    7424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7425 packages/chimerax/core/session.py", line 943, in <lambda> 
    7426 logger.report_exception(preface=preface)) 
    7427 File
    7428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7429 packages/chimerax/core/logger.py", line 421, in report_exception 
    7430 elif probably_chimera1_session(exc_info): 
    7431 File
    7432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7433 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7434 etype, evalue, etraceback = exc_info 
    7435 TypeError: cannot unpack non-iterable NoneType object 
    7436  
    7437 TypeError: cannot unpack non-iterable NoneType object 
    7438  
    7439 File
    7440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7441 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7442 etype, evalue, etraceback = exc_info 
    7443  
    7444 See log for complete Python traceback. 
    7445  
    7446 Traceback (most recent call last): 
    7447 File
    7448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7449 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7450 return self._func(self._name, data) 
    7451 File
    7452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7453 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7454 if v.display: 
    7455 File
    7456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7457 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7458 return self._any_displayed_positions and len(self._positions) > 0 
    7459 TypeError: object of type 'NoneType' has no len() 
    7460  
    7461 During handling of the above exception, another exception occurred: 
    7462  
    7463 Traceback (most recent call last): 
    7464 File
    7465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7466 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7467 if not self.draw_new_frame(): 
    7468 File
    7469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7470 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7471 changed = view.check_for_drawing_change() 
    7472 File
    7473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7474 packages/chimerax/core/graphics/view.py", line 252, in
    7475 check_for_drawing_change 
    7476 trig.activate_trigger('graphics update', self) 
    7477 File
    7478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7479 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7480 trigger.activate(data) 
    7481 File
    7482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7483 packages/chimerax/core/triggerset.py", line 190, in activate 
    7484 ret = handler.invoke(data, self._remove_bad_handlers) 
    7485 File
    7486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7487 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7488 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7489 File
    7490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7491 packages/chimerax/core/session.py", line 943, in <lambda> 
    7492 logger.report_exception(preface=preface)) 
    7493 File
    7494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7495 packages/chimerax/core/logger.py", line 421, in report_exception 
    7496 elif probably_chimera1_session(exc_info): 
    7497 File
    7498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7499 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7500 etype, evalue, etraceback = exc_info 
    7501 TypeError: cannot unpack non-iterable NoneType object 
    7502  
    7503 TypeError: cannot unpack non-iterable NoneType object 
    7504  
    7505 File
    7506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7507 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7508 etype, evalue, etraceback = exc_info 
    7509  
    7510 See log for complete Python traceback. 
    7511  
    7512 Traceback (most recent call last): 
    7513 File
    7514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7515 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7516 return self._func(self._name, data) 
    7517 File
    7518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7519 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7520 if v.display: 
    7521 File
    7522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7523 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7524 return self._any_displayed_positions and len(self._positions) > 0 
    7525 TypeError: object of type 'NoneType' has no len() 
    7526  
    7527 During handling of the above exception, another exception occurred: 
    7528  
    7529 Traceback (most recent call last): 
    7530 File
    7531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7532 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7533 if not self.draw_new_frame(): 
    7534 File
    7535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7536 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7537 changed = view.check_for_drawing_change() 
    7538 File
    7539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7540 packages/chimerax/core/graphics/view.py", line 252, in
    7541 check_for_drawing_change 
    7542 trig.activate_trigger('graphics update', self) 
    7543 File
    7544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7545 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7546 trigger.activate(data) 
    7547 File
    7548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7549 packages/chimerax/core/triggerset.py", line 190, in activate 
    7550 ret = handler.invoke(data, self._remove_bad_handlers) 
    7551 File
    7552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7553 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7554 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7555 File
    7556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7557 packages/chimerax/core/session.py", line 943, in <lambda> 
    7558 logger.report_exception(preface=preface)) 
    7559 File
    7560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7561 packages/chimerax/core/logger.py", line 421, in report_exception 
    7562 elif probably_chimera1_session(exc_info): 
    7563 File
    7564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7565 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7566 etype, evalue, etraceback = exc_info 
    7567 TypeError: cannot unpack non-iterable NoneType object 
    7568  
    7569 TypeError: cannot unpack non-iterable NoneType object 
    7570  
    7571 File
    7572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7573 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7574 etype, evalue, etraceback = exc_info 
    7575  
    7576 See log for complete Python traceback. 
    7577  
    7578 Traceback (most recent call last): 
    7579 File
    7580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7581 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7582 return self._func(self._name, data) 
    7583 File
    7584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7585 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7586 if v.display: 
    7587 File
    7588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7589 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7590 return self._any_displayed_positions and len(self._positions) > 0 
    7591 TypeError: object of type 'NoneType' has no len() 
    7592  
    7593 During handling of the above exception, another exception occurred: 
    7594  
    7595 Traceback (most recent call last): 
    7596 File
    7597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7598 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7599 if not self.draw_new_frame(): 
    7600 File
    7601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7602 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7603 changed = view.check_for_drawing_change() 
    7604 File
    7605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7606 packages/chimerax/core/graphics/view.py", line 252, in
    7607 check_for_drawing_change 
    7608 trig.activate_trigger('graphics update', self) 
    7609 File
    7610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7611 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7612 trigger.activate(data) 
    7613 File
    7614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7615 packages/chimerax/core/triggerset.py", line 190, in activate 
    7616 ret = handler.invoke(data, self._remove_bad_handlers) 
    7617 File
    7618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7619 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7620 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7621 File
    7622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7623 packages/chimerax/core/session.py", line 943, in <lambda> 
    7624 logger.report_exception(preface=preface)) 
    7625 File
    7626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7627 packages/chimerax/core/logger.py", line 421, in report_exception 
    7628 elif probably_chimera1_session(exc_info): 
    7629 File
    7630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7631 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7632 etype, evalue, etraceback = exc_info 
    7633 TypeError: cannot unpack non-iterable NoneType object 
    7634  
    7635 TypeError: cannot unpack non-iterable NoneType object 
    7636  
    7637 File
    7638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7639 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7640 etype, evalue, etraceback = exc_info 
    7641  
    7642 See log for complete Python traceback. 
    7643  
    7644 Traceback (most recent call last): 
    7645 File
    7646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7647 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7648 return self._func(self._name, data) 
    7649 File
    7650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7651 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7652 if v.display: 
    7653 File
    7654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7655 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7656 return self._any_displayed_positions and len(self._positions) > 0 
    7657 TypeError: object of type 'NoneType' has no len() 
    7658  
    7659 During handling of the above exception, another exception occurred: 
    7660  
    7661 Traceback (most recent call last): 
    7662 File
    7663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7664 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7665 if not self.draw_new_frame(): 
    7666 File
    7667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7668 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7669 changed = view.check_for_drawing_change() 
    7670 File
    7671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7672 packages/chimerax/core/graphics/view.py", line 252, in
    7673 check_for_drawing_change 
    7674 trig.activate_trigger('graphics update', self) 
    7675 File
    7676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7677 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7678 trigger.activate(data) 
    7679 File
    7680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7681 packages/chimerax/core/triggerset.py", line 190, in activate 
    7682 ret = handler.invoke(data, self._remove_bad_handlers) 
    7683 File
    7684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7685 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7686 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7687 File
    7688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7689 packages/chimerax/core/session.py", line 943, in <lambda> 
    7690 logger.report_exception(preface=preface)) 
    7691 File
    7692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7693 packages/chimerax/core/logger.py", line 421, in report_exception 
    7694 elif probably_chimera1_session(exc_info): 
    7695 File
    7696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7697 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7698 etype, evalue, etraceback = exc_info 
    7699 TypeError: cannot unpack non-iterable NoneType object 
    7700  
    7701 TypeError: cannot unpack non-iterable NoneType object 
    7702  
    7703 File
    7704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7705 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7706 etype, evalue, etraceback = exc_info 
    7707  
    7708 See log for complete Python traceback. 
    7709  
    7710 Traceback (most recent call last): 
    7711 File
    7712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7713 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7714 return self._func(self._name, data) 
    7715 File
    7716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7717 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7718 if v.display: 
    7719 File
    7720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7721 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7722 return self._any_displayed_positions and len(self._positions) > 0 
    7723 TypeError: object of type 'NoneType' has no len() 
    7724  
    7725 During handling of the above exception, another exception occurred: 
    7726  
    7727 Traceback (most recent call last): 
    7728 File
    7729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7730 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7731 if not self.draw_new_frame(): 
    7732 File
    7733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7734 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7735 changed = view.check_for_drawing_change() 
    7736 File
    7737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7738 packages/chimerax/core/graphics/view.py", line 252, in
    7739 check_for_drawing_change 
    7740 trig.activate_trigger('graphics update', self) 
    7741 File
    7742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7743 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7744 trigger.activate(data) 
    7745 File
    7746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7747 packages/chimerax/core/triggerset.py", line 190, in activate 
    7748 ret = handler.invoke(data, self._remove_bad_handlers) 
    7749 File
    7750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7751 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7752 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7753 File
    7754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7755 packages/chimerax/core/session.py", line 943, in <lambda> 
    7756 logger.report_exception(preface=preface)) 
    7757 File
    7758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7759 packages/chimerax/core/logger.py", line 421, in report_exception 
    7760 elif probably_chimera1_session(exc_info): 
    7761 File
    7762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7763 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7764 etype, evalue, etraceback = exc_info 
    7765 TypeError: cannot unpack non-iterable NoneType object 
    7766  
    7767 TypeError: cannot unpack non-iterable NoneType object 
    7768  
    7769 File
    7770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7771 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7772 etype, evalue, etraceback = exc_info 
    7773  
    7774 See log for complete Python traceback. 
    7775  
    7776 Traceback (most recent call last): 
    7777 File
    7778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7779 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7780 return self._func(self._name, data) 
    7781 File
    7782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7783 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7784 if v.display: 
    7785 File
    7786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7787 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7788 return self._any_displayed_positions and len(self._positions) > 0 
    7789 TypeError: object of type 'NoneType' has no len() 
    7790  
    7791 During handling of the above exception, another exception occurred: 
    7792  
    7793 Traceback (most recent call last): 
    7794 File
    7795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7796 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7797 if not self.draw_new_frame(): 
    7798 File
    7799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7800 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7801 changed = view.check_for_drawing_change() 
    7802 File
    7803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7804 packages/chimerax/core/graphics/view.py", line 252, in
    7805 check_for_drawing_change 
    7806 trig.activate_trigger('graphics update', self) 
    7807 File
    7808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7809 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7810 trigger.activate(data) 
    7811 File
    7812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7813 packages/chimerax/core/triggerset.py", line 190, in activate 
    7814 ret = handler.invoke(data, self._remove_bad_handlers) 
    7815 File
    7816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7817 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7818 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7819 File
    7820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7821 packages/chimerax/core/session.py", line 943, in <lambda> 
    7822 logger.report_exception(preface=preface)) 
    7823 File
    7824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7825 packages/chimerax/core/logger.py", line 421, in report_exception 
    7826 elif probably_chimera1_session(exc_info): 
    7827 File
    7828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7829 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7830 etype, evalue, etraceback = exc_info 
    7831 TypeError: cannot unpack non-iterable NoneType object 
    7832  
    7833 TypeError: cannot unpack non-iterable NoneType object 
    7834  
    7835 File
    7836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7837 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7838 etype, evalue, etraceback = exc_info 
    7839  
    7840 See log for complete Python traceback. 
    7841  
    7842 Traceback (most recent call last): 
    7843 File
    7844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7845 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7846 return self._func(self._name, data) 
    7847 File
    7848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7849 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7850 if v.display: 
    7851 File
    7852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7853 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7854 return self._any_displayed_positions and len(self._positions) > 0 
    7855 TypeError: object of type 'NoneType' has no len() 
    7856  
    7857 During handling of the above exception, another exception occurred: 
    7858  
    7859 Traceback (most recent call last): 
    7860 File
    7861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7862 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7863 if not self.draw_new_frame(): 
    7864 File
    7865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7866 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7867 changed = view.check_for_drawing_change() 
    7868 File
    7869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7870 packages/chimerax/core/graphics/view.py", line 252, in
    7871 check_for_drawing_change 
    7872 trig.activate_trigger('graphics update', self) 
    7873 File
    7874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7875 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7876 trigger.activate(data) 
    7877 File
    7878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7879 packages/chimerax/core/triggerset.py", line 190, in activate 
    7880 ret = handler.invoke(data, self._remove_bad_handlers) 
    7881 File
    7882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7883 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7884 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7885 File
    7886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7887 packages/chimerax/core/session.py", line 943, in <lambda> 
    7888 logger.report_exception(preface=preface)) 
    7889 File
    7890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7891 packages/chimerax/core/logger.py", line 421, in report_exception 
    7892 elif probably_chimera1_session(exc_info): 
    7893 File
    7894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7895 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7896 etype, evalue, etraceback = exc_info 
    7897 TypeError: cannot unpack non-iterable NoneType object 
    7898  
    7899 TypeError: cannot unpack non-iterable NoneType object 
    7900  
    7901 File
    7902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7903 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7904 etype, evalue, etraceback = exc_info 
    7905  
    7906 See log for complete Python traceback. 
    7907  
    7908 Traceback (most recent call last): 
    7909 File
    7910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7911 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7912 return self._func(self._name, data) 
    7913 File
    7914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7915 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7916 if v.display: 
    7917 File
    7918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7919 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7920 return self._any_displayed_positions and len(self._positions) > 0 
    7921 TypeError: object of type 'NoneType' has no len() 
    7922  
    7923 During handling of the above exception, another exception occurred: 
    7924  
    7925 Traceback (most recent call last): 
    7926 File
    7927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7928 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7929 if not self.draw_new_frame(): 
    7930 File
    7931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7932 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7933 changed = view.check_for_drawing_change() 
    7934 File
    7935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7936 packages/chimerax/core/graphics/view.py", line 252, in
    7937 check_for_drawing_change 
    7938 trig.activate_trigger('graphics update', self) 
    7939 File
    7940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7941 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7942 trigger.activate(data) 
    7943 File
    7944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7945 packages/chimerax/core/triggerset.py", line 190, in activate 
    7946 ret = handler.invoke(data, self._remove_bad_handlers) 
    7947 File
    7948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7949 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7950 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7951 File
    7952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7953 packages/chimerax/core/session.py", line 943, in <lambda> 
    7954 logger.report_exception(preface=preface)) 
    7955 File
    7956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7957 packages/chimerax/core/logger.py", line 421, in report_exception 
    7958 elif probably_chimera1_session(exc_info): 
    7959 File
    7960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7961 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7962 etype, evalue, etraceback = exc_info 
    7963 TypeError: cannot unpack non-iterable NoneType object 
    7964  
    7965 TypeError: cannot unpack non-iterable NoneType object 
    7966  
    7967 File
    7968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7969 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7970 etype, evalue, etraceback = exc_info 
    7971  
    7972 See log for complete Python traceback. 
    7973  
    7974 Traceback (most recent call last): 
    7975 File
    7976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7977 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7978 return self._func(self._name, data) 
    7979 File
    7980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7981 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7982 if v.display: 
    7983 File
    7984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7985 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7986 return self._any_displayed_positions and len(self._positions) > 0 
    7987 TypeError: object of type 'NoneType' has no len() 
    7988  
    7989 During handling of the above exception, another exception occurred: 
    7990  
    7991 Traceback (most recent call last): 
    7992 File
    7993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7994 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7995 if not self.draw_new_frame(): 
    7996 File
    7997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7998 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7999 changed = view.check_for_drawing_change() 
    8000 File
    8001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8002 packages/chimerax/core/graphics/view.py", line 252, in
    8003 check_for_drawing_change 
    8004 trig.activate_trigger('graphics update', self) 
    8005 File
    8006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8007 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8008 trigger.activate(data) 
    8009 File
    8010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8011 packages/chimerax/core/triggerset.py", line 190, in activate 
    8012 ret = handler.invoke(data, self._remove_bad_handlers) 
    8013 File
    8014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8015 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8016 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8017 File
    8018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8019 packages/chimerax/core/session.py", line 943, in <lambda> 
    8020 logger.report_exception(preface=preface)) 
    8021 File
    8022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8023 packages/chimerax/core/logger.py", line 421, in report_exception 
    8024 elif probably_chimera1_session(exc_info): 
    8025 File
    8026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8027 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8028 etype, evalue, etraceback = exc_info 
    8029 TypeError: cannot unpack non-iterable NoneType object 
    8030  
    8031 TypeError: cannot unpack non-iterable NoneType object 
    8032  
    8033 File
    8034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8035 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8036 etype, evalue, etraceback = exc_info 
    8037  
    8038 See log for complete Python traceback. 
    8039  
    8040 Traceback (most recent call last): 
    8041 File
    8042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8043 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8044 return self._func(self._name, data) 
    8045 File
    8046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8047 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8048 if v.display: 
    8049 File
    8050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8051 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8052 return self._any_displayed_positions and len(self._positions) > 0 
    8053 TypeError: object of type 'NoneType' has no len() 
    8054  
    8055 During handling of the above exception, another exception occurred: 
    8056  
    8057 Traceback (most recent call last): 
    8058 File
    8059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8060 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8061 if not self.draw_new_frame(): 
    8062 File
    8063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8064 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8065 changed = view.check_for_drawing_change() 
    8066 File
    8067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8068 packages/chimerax/core/graphics/view.py", line 252, in
    8069 check_for_drawing_change 
    8070 trig.activate_trigger('graphics update', self) 
    8071 File
    8072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8073 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8074 trigger.activate(data) 
    8075 File
    8076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8077 packages/chimerax/core/triggerset.py", line 190, in activate 
    8078 ret = handler.invoke(data, self._remove_bad_handlers) 
    8079 File
    8080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8081 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8082 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8083 File
    8084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8085 packages/chimerax/core/session.py", line 943, in <lambda> 
    8086 logger.report_exception(preface=preface)) 
    8087 File
    8088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8089 packages/chimerax/core/logger.py", line 421, in report_exception 
    8090 elif probably_chimera1_session(exc_info): 
    8091 File
    8092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8093 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8094 etype, evalue, etraceback = exc_info 
    8095 TypeError: cannot unpack non-iterable NoneType object 
    8096  
    8097 TypeError: cannot unpack non-iterable NoneType object 
    8098  
    8099 File
    8100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8101 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8102 etype, evalue, etraceback = exc_info 
    8103  
    8104 See log for complete Python traceback. 
    8105  
    8106 Traceback (most recent call last): 
    8107 File
    8108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8109 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8110 return self._func(self._name, data) 
    8111 File
    8112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8113 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8114 if v.display: 
    8115 File
    8116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8117 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8118 return self._any_displayed_positions and len(self._positions) > 0 
    8119 TypeError: object of type 'NoneType' has no len() 
    8120  
    8121 During handling of the above exception, another exception occurred: 
    8122  
    8123 Traceback (most recent call last): 
    8124 File
    8125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8126 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8127 if not self.draw_new_frame(): 
    8128 File
    8129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8130 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8131 changed = view.check_for_drawing_change() 
    8132 File
    8133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8134 packages/chimerax/core/graphics/view.py", line 252, in
    8135 check_for_drawing_change 
    8136 trig.activate_trigger('graphics update', self) 
    8137 File
    8138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8139 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8140 trigger.activate(data) 
    8141 File
    8142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8143 packages/chimerax/core/triggerset.py", line 190, in activate 
    8144 ret = handler.invoke(data, self._remove_bad_handlers) 
    8145 File
    8146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8147 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8148 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8149 File
    8150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8151 packages/chimerax/core/session.py", line 943, in <lambda> 
    8152 logger.report_exception(preface=preface)) 
    8153 File
    8154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8155 packages/chimerax/core/logger.py", line 421, in report_exception 
    8156 elif probably_chimera1_session(exc_info): 
    8157 File
    8158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8159 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8160 etype, evalue, etraceback = exc_info 
    8161 TypeError: cannot unpack non-iterable NoneType object 
    8162  
    8163 TypeError: cannot unpack non-iterable NoneType object 
    8164  
    8165 File
    8166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8167 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8168 etype, evalue, etraceback = exc_info 
    8169  
    8170 See log for complete Python traceback. 
    8171  
    8172 Traceback (most recent call last): 
    8173 File
    8174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8175 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8176 return self._func(self._name, data) 
    8177 File
    8178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8179 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8180 if v.display: 
    8181 File
    8182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8183 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8184 return self._any_displayed_positions and len(self._positions) > 0 
    8185 TypeError: object of type 'NoneType' has no len() 
    8186  
    8187 During handling of the above exception, another exception occurred: 
    8188  
    8189 Traceback (most recent call last): 
    8190 File
    8191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8192 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8193 if not self.draw_new_frame(): 
    8194 File
    8195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8196 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8197 changed = view.check_for_drawing_change() 
    8198 File
    8199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8200 packages/chimerax/core/graphics/view.py", line 252, in
    8201 check_for_drawing_change 
    8202 trig.activate_trigger('graphics update', self) 
    8203 File
    8204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8205 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8206 trigger.activate(data) 
    8207 File
    8208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8209 packages/chimerax/core/triggerset.py", line 190, in activate 
    8210 ret = handler.invoke(data, self._remove_bad_handlers) 
    8211 File
    8212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8213 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8214 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8215 File
    8216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8217 packages/chimerax/core/session.py", line 943, in <lambda> 
    8218 logger.report_exception(preface=preface)) 
    8219 File
    8220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8221 packages/chimerax/core/logger.py", line 421, in report_exception 
    8222 elif probably_chimera1_session(exc_info): 
    8223 File
    8224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8225 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8226 etype, evalue, etraceback = exc_info 
    8227 TypeError: cannot unpack non-iterable NoneType object 
    8228  
    8229 TypeError: cannot unpack non-iterable NoneType object 
    8230  
    8231 File
    8232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8233 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8234 etype, evalue, etraceback = exc_info 
    8235  
    8236 See log for complete Python traceback. 
    8237  
    8238 Traceback (most recent call last): 
    8239 File
    8240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8241 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8242 return self._func(self._name, data) 
    8243 File
    8244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8245 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8246 if v.display: 
    8247 File
    8248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8249 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8250 return self._any_displayed_positions and len(self._positions) > 0 
    8251 TypeError: object of type 'NoneType' has no len() 
    8252  
    8253 During handling of the above exception, another exception occurred: 
    8254  
    8255 Traceback (most recent call last): 
    8256 File
    8257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8258 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8259 if not self.draw_new_frame(): 
    8260 File
    8261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8262 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8263 changed = view.check_for_drawing_change() 
    8264 File
    8265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8266 packages/chimerax/core/graphics/view.py", line 252, in
    8267 check_for_drawing_change 
    8268 trig.activate_trigger('graphics update', self) 
    8269 File
    8270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8271 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8272 trigger.activate(data) 
    8273 File
    8274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8275 packages/chimerax/core/triggerset.py", line 190, in activate 
    8276 ret = handler.invoke(data, self._remove_bad_handlers) 
    8277 File
    8278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8279 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8280 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8281 File
    8282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8283 packages/chimerax/core/session.py", line 943, in <lambda> 
    8284 logger.report_exception(preface=preface)) 
    8285 File
    8286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8287 packages/chimerax/core/logger.py", line 421, in report_exception 
    8288 elif probably_chimera1_session(exc_info): 
    8289 File
    8290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8291 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8292 etype, evalue, etraceback = exc_info 
    8293 TypeError: cannot unpack non-iterable NoneType object 
    8294  
    8295 TypeError: cannot unpack non-iterable NoneType object 
    8296  
    8297 File
    8298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8299 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8300 etype, evalue, etraceback = exc_info 
    8301  
    8302 See log for complete Python traceback. 
    8303  
    8304 Traceback (most recent call last): 
    8305 File
    8306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8307 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8308 return self._func(self._name, data) 
    8309 File
    8310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8311 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8312 if v.display: 
    8313 File
    8314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8315 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8316 return self._any_displayed_positions and len(self._positions) > 0 
    8317 TypeError: object of type 'NoneType' has no len() 
    8318  
    8319 During handling of the above exception, another exception occurred: 
    8320  
    8321 Traceback (most recent call last): 
    8322 File
    8323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8324 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8325 if not self.draw_new_frame(): 
    8326 File
    8327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8328 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8329 changed = view.check_for_drawing_change() 
    8330 File
    8331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8332 packages/chimerax/core/graphics/view.py", line 252, in
    8333 check_for_drawing_change 
    8334 trig.activate_trigger('graphics update', self) 
    8335 File
    8336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8337 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8338 trigger.activate(data) 
    8339 File
    8340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8341 packages/chimerax/core/triggerset.py", line 190, in activate 
    8342 ret = handler.invoke(data, self._remove_bad_handlers) 
    8343 File
    8344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8345 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8346 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8347 File
    8348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8349 packages/chimerax/core/session.py", line 943, in <lambda> 
    8350 logger.report_exception(preface=preface)) 
    8351 File
    8352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8353 packages/chimerax/core/logger.py", line 421, in report_exception 
    8354 elif probably_chimera1_session(exc_info): 
    8355 File
    8356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8357 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8358 etype, evalue, etraceback = exc_info 
    8359 TypeError: cannot unpack non-iterable NoneType object 
    8360  
    8361 TypeError: cannot unpack non-iterable NoneType object 
    8362  
    8363 File
    8364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8365 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8366 etype, evalue, etraceback = exc_info 
    8367  
    8368 See log for complete Python traceback. 
    8369  
    8370 Traceback (most recent call last): 
    8371 File
    8372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8373 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8374 return self._func(self._name, data) 
    8375 File
    8376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8377 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8378 if v.display: 
    8379 File
    8380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8381 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8382 return self._any_displayed_positions and len(self._positions) > 0 
    8383 TypeError: object of type 'NoneType' has no len() 
    8384  
    8385 During handling of the above exception, another exception occurred: 
    8386  
    8387 Traceback (most recent call last): 
    8388 File
    8389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8390 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8391 if not self.draw_new_frame(): 
    8392 File
    8393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8394 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8395 changed = view.check_for_drawing_change() 
    8396 File
    8397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8398 packages/chimerax/core/graphics/view.py", line 252, in
    8399 check_for_drawing_change 
    8400 trig.activate_trigger('graphics update', self) 
    8401 File
    8402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8403 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8404 trigger.activate(data) 
    8405 File
    8406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8407 packages/chimerax/core/triggerset.py", line 190, in activate 
    8408 ret = handler.invoke(data, self._remove_bad_handlers) 
    8409 File
    8410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8411 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8412 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8413 File
    8414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8415 packages/chimerax/core/session.py", line 943, in <lambda> 
    8416 logger.report_exception(preface=preface)) 
    8417 File
    8418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8419 packages/chimerax/core/logger.py", line 421, in report_exception 
    8420 elif probably_chimera1_session(exc_info): 
    8421 File
    8422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8423 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8424 etype, evalue, etraceback = exc_info 
    8425 TypeError: cannot unpack non-iterable NoneType object 
    8426  
    8427 TypeError: cannot unpack non-iterable NoneType object 
    8428  
    8429 File
    8430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8431 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8432 etype, evalue, etraceback = exc_info 
    8433  
    8434 See log for complete Python traceback. 
    8435  
    8436 Traceback (most recent call last): 
    8437 File
    8438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8439 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8440 return self._func(self._name, data) 
    8441 File
    8442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8443 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8444 if v.display: 
    8445 File
    8446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8447 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8448 return self._any_displayed_positions and len(self._positions) > 0 
    8449 TypeError: object of type 'NoneType' has no len() 
    8450  
    8451 During handling of the above exception, another exception occurred: 
    8452  
    8453 Traceback (most recent call last): 
    8454 File
    8455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8456 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8457 if not self.draw_new_frame(): 
    8458 File
    8459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8460 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8461 changed = view.check_for_drawing_change() 
    8462 File
    8463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8464 packages/chimerax/core/graphics/view.py", line 252, in
    8465 check_for_drawing_change 
    8466 trig.activate_trigger('graphics update', self) 
    8467 File
    8468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8469 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8470 trigger.activate(data) 
    8471 File
    8472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8473 packages/chimerax/core/triggerset.py", line 190, in activate 
    8474 ret = handler.invoke(data, self._remove_bad_handlers) 
    8475 File
    8476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8477 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8478 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8479 File
    8480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8481 packages/chimerax/core/session.py", line 943, in <lambda> 
    8482 logger.report_exception(preface=preface)) 
    8483 File
    8484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8485 packages/chimerax/core/logger.py", line 421, in report_exception 
    8486 elif probably_chimera1_session(exc_info): 
    8487 File
    8488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8489 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8490 etype, evalue, etraceback = exc_info 
    8491 TypeError: cannot unpack non-iterable NoneType object 
    8492  
    8493 TypeError: cannot unpack non-iterable NoneType object 
    8494  
    8495 File
    8496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8497 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8498 etype, evalue, etraceback = exc_info 
    8499  
    8500 See log for complete Python traceback. 
    8501  
    8502 Traceback (most recent call last): 
    8503 File
    8504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8505 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8506 return self._func(self._name, data) 
    8507 File
    8508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8509 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8510 if v.display: 
    8511 File
    8512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8513 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8514 return self._any_displayed_positions and len(self._positions) > 0 
    8515 TypeError: object of type 'NoneType' has no len() 
    8516  
    8517 During handling of the above exception, another exception occurred: 
    8518  
    8519 Traceback (most recent call last): 
    8520 File
    8521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8522 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8523 if not self.draw_new_frame(): 
    8524 File
    8525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8526 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8527 changed = view.check_for_drawing_change() 
    8528 File
    8529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8530 packages/chimerax/core/graphics/view.py", line 252, in
    8531 check_for_drawing_change 
    8532 trig.activate_trigger('graphics update', self) 
    8533 File
    8534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8535 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8536 trigger.activate(data) 
    8537 File
    8538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8539 packages/chimerax/core/triggerset.py", line 190, in activate 
    8540 ret = handler.invoke(data, self._remove_bad_handlers) 
    8541 File
    8542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8543 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8544 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8545 File
    8546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8547 packages/chimerax/core/session.py", line 943, in <lambda> 
    8548 logger.report_exception(preface=preface)) 
    8549 File
    8550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8551 packages/chimerax/core/logger.py", line 421, in report_exception 
    8552 elif probably_chimera1_session(exc_info): 
    8553 File
    8554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8555 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8556 etype, evalue, etraceback = exc_info 
    8557 TypeError: cannot unpack non-iterable NoneType object 
    8558  
    8559 TypeError: cannot unpack non-iterable NoneType object 
    8560  
    8561 File
    8562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8563 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8564 etype, evalue, etraceback = exc_info 
    8565  
    8566 See log for complete Python traceback. 
    8567  
    8568 Traceback (most recent call last): 
    8569 File
    8570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8571 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8572 return self._func(self._name, data) 
    8573 File
    8574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8575 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8576 if v.display: 
    8577 File
    8578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8579 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8580 return self._any_displayed_positions and len(self._positions) > 0 
    8581 TypeError: object of type 'NoneType' has no len() 
    8582  
    8583 During handling of the above exception, another exception occurred: 
    8584  
    8585 Traceback (most recent call last): 
    8586 File
    8587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8588 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8589 if not self.draw_new_frame(): 
    8590 File
    8591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8592 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8593 changed = view.check_for_drawing_change() 
    8594 File
    8595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8596 packages/chimerax/core/graphics/view.py", line 252, in
    8597 check_for_drawing_change 
    8598 trig.activate_trigger('graphics update', self) 
    8599 File
    8600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8601 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8602 trigger.activate(data) 
    8603 File
    8604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8605 packages/chimerax/core/triggerset.py", line 190, in activate 
    8606 ret = handler.invoke(data, self._remove_bad_handlers) 
    8607 File
    8608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8609 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8610 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8611 File
    8612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8613 packages/chimerax/core/session.py", line 943, in <lambda> 
    8614 logger.report_exception(preface=preface)) 
    8615 File
    8616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8617 packages/chimerax/core/logger.py", line 421, in report_exception 
    8618 elif probably_chimera1_session(exc_info): 
    8619 File
    8620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8621 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8622 etype, evalue, etraceback = exc_info 
    8623 TypeError: cannot unpack non-iterable NoneType object 
    8624  
    8625 TypeError: cannot unpack non-iterable NoneType object 
    8626  
    8627 File
    8628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8629 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8630 etype, evalue, etraceback = exc_info 
    8631  
    8632 See log for complete Python traceback. 
    8633  
    8634 Traceback (most recent call last): 
    8635 File
    8636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8637 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8638 return self._func(self._name, data) 
    8639 File
    8640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8641 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8642 if v.display: 
    8643 File
    8644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8645 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8646 return self._any_displayed_positions and len(self._positions) > 0 
    8647 TypeError: object of type 'NoneType' has no len() 
    8648  
    8649 During handling of the above exception, another exception occurred: 
    8650  
    8651 Traceback (most recent call last): 
    8652 File
    8653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8654 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8655 if not self.draw_new_frame(): 
    8656 File
    8657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8658 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8659 changed = view.check_for_drawing_change() 
    8660 File
    8661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8662 packages/chimerax/core/graphics/view.py", line 252, in
    8663 check_for_drawing_change 
    8664 trig.activate_trigger('graphics update', self) 
    8665 File
    8666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8667 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8668 trigger.activate(data) 
    8669 File
    8670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8671 packages/chimerax/core/triggerset.py", line 190, in activate 
    8672 ret = handler.invoke(data, self._remove_bad_handlers) 
    8673 File
    8674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8675 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8676 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8677 File
    8678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8679 packages/chimerax/core/session.py", line 943, in <lambda> 
    8680 logger.report_exception(preface=preface)) 
    8681 File
    8682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8683 packages/chimerax/core/logger.py", line 421, in report_exception 
    8684 elif probably_chimera1_session(exc_info): 
    8685 File
    8686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8687 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8688 etype, evalue, etraceback = exc_info 
    8689 TypeError: cannot unpack non-iterable NoneType object 
    8690  
    8691 TypeError: cannot unpack non-iterable NoneType object 
    8692  
    8693 File
    8694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8695 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8696 etype, evalue, etraceback = exc_info 
    8697  
    8698 See log for complete Python traceback. 
    8699  
    8700 Traceback (most recent call last): 
    8701 File
    8702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8703 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8704 return self._func(self._name, data) 
    8705 File
    8706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8707 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8708 if v.display: 
    8709 File
    8710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8711 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8712 return self._any_displayed_positions and len(self._positions) > 0 
    8713 TypeError: object of type 'NoneType' has no len() 
    8714  
    8715 During handling of the above exception, another exception occurred: 
    8716  
    8717 Traceback (most recent call last): 
    8718 File
    8719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8720 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8721 if not self.draw_new_frame(): 
    8722 File
    8723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8724 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8725 changed = view.check_for_drawing_change() 
    8726 File
    8727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8728 packages/chimerax/core/graphics/view.py", line 252, in
    8729 check_for_drawing_change 
    8730 trig.activate_trigger('graphics update', self) 
    8731 File
    8732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8733 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8734 trigger.activate(data) 
    8735 File
    8736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8737 packages/chimerax/core/triggerset.py", line 190, in activate 
    8738 ret = handler.invoke(data, self._remove_bad_handlers) 
    8739 File
    8740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8741 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8742 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8743 File
    8744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8745 packages/chimerax/core/session.py", line 943, in <lambda> 
    8746 logger.report_exception(preface=preface)) 
    8747 File
    8748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8749 packages/chimerax/core/logger.py", line 421, in report_exception 
    8750 elif probably_chimera1_session(exc_info): 
    8751 File
    8752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8753 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8754 etype, evalue, etraceback = exc_info 
    8755 TypeError: cannot unpack non-iterable NoneType object 
    8756  
    8757 TypeError: cannot unpack non-iterable NoneType object 
    8758  
    8759 File
    8760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8761 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8762 etype, evalue, etraceback = exc_info 
    8763  
    8764 See log for complete Python traceback. 
    8765  
    8766 Traceback (most recent call last): 
    8767 File
    8768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8769 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8770 return self._func(self._name, data) 
    8771 File
    8772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8773 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8774 if v.display: 
    8775 File
    8776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8777 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8778 return self._any_displayed_positions and len(self._positions) > 0 
    8779 TypeError: object of type 'NoneType' has no len() 
    8780  
    8781 During handling of the above exception, another exception occurred: 
    8782  
    8783 Traceback (most recent call last): 
    8784 File
    8785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8786 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8787 if not self.draw_new_frame(): 
    8788 File
    8789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8790 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8791 changed = view.check_for_drawing_change() 
    8792 File
    8793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8794 packages/chimerax/core/graphics/view.py", line 252, in
    8795 check_for_drawing_change 
    8796 trig.activate_trigger('graphics update', self) 
    8797 File
    8798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8799 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8800 trigger.activate(data) 
    8801 File
    8802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8803 packages/chimerax/core/triggerset.py", line 190, in activate 
    8804 ret = handler.invoke(data, self._remove_bad_handlers) 
    8805 File
    8806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8807 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8808 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8809 File
    8810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8811 packages/chimerax/core/session.py", line 943, in <lambda> 
    8812 logger.report_exception(preface=preface)) 
    8813 File
    8814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8815 packages/chimerax/core/logger.py", line 421, in report_exception 
    8816 elif probably_chimera1_session(exc_info): 
    8817 File
    8818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8819 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8820 etype, evalue, etraceback = exc_info 
    8821 TypeError: cannot unpack non-iterable NoneType object 
    8822  
    8823 TypeError: cannot unpack non-iterable NoneType object 
    8824  
    8825 File
    8826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8827 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8828 etype, evalue, etraceback = exc_info 
    8829  
    8830 See log for complete Python traceback. 
    8831  
    8832 Traceback (most recent call last): 
    8833 File
    8834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8835 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8836 return self._func(self._name, data) 
    8837 File
    8838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8839 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8840 if v.display: 
    8841 File
    8842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8843 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8844 return self._any_displayed_positions and len(self._positions) > 0 
    8845 TypeError: object of type 'NoneType' has no len() 
    8846  
    8847 During handling of the above exception, another exception occurred: 
    8848  
    8849 Traceback (most recent call last): 
    8850 File
    8851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8852 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8853 if not self.draw_new_frame(): 
    8854 File
    8855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8856 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8857 changed = view.check_for_drawing_change() 
    8858 File
    8859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8860 packages/chimerax/core/graphics/view.py", line 252, in
    8861 check_for_drawing_change 
    8862 trig.activate_trigger('graphics update', self) 
    8863 File
    8864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8865 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8866 trigger.activate(data) 
    8867 File
    8868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8869 packages/chimerax/core/triggerset.py", line 190, in activate 
    8870 ret = handler.invoke(data, self._remove_bad_handlers) 
    8871 File
    8872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8873 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8874 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8875 File
    8876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8877 packages/chimerax/core/session.py", line 943, in <lambda> 
    8878 logger.report_exception(preface=preface)) 
    8879 File
    8880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8881 packages/chimerax/core/logger.py", line 421, in report_exception 
    8882 elif probably_chimera1_session(exc_info): 
    8883 File
    8884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8885 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8886 etype, evalue, etraceback = exc_info 
    8887 TypeError: cannot unpack non-iterable NoneType object 
    8888  
    8889 TypeError: cannot unpack non-iterable NoneType object 
    8890  
    8891 File
    8892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8893 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8894 etype, evalue, etraceback = exc_info 
    8895  
    8896 See log for complete Python traceback. 
    8897  
    8898 Traceback (most recent call last): 
    8899 File
    8900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8901 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8902 return self._func(self._name, data) 
    8903 File
    8904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8905 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8906 if v.display: 
    8907 File
    8908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8909 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8910 return self._any_displayed_positions and len(self._positions) > 0 
    8911 TypeError: object of type 'NoneType' has no len() 
    8912  
    8913 During handling of the above exception, another exception occurred: 
    8914  
    8915 Traceback (most recent call last): 
    8916 File
    8917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8918 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8919 if not self.draw_new_frame(): 
    8920 File
    8921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8922 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8923 changed = view.check_for_drawing_change() 
    8924 File
    8925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8926 packages/chimerax/core/graphics/view.py", line 252, in
    8927 check_for_drawing_change 
    8928 trig.activate_trigger('graphics update', self) 
    8929 File
    8930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8931 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8932 trigger.activate(data) 
    8933 File
    8934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8935 packages/chimerax/core/triggerset.py", line 190, in activate 
    8936 ret = handler.invoke(data, self._remove_bad_handlers) 
    8937 File
    8938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8939 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8940 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8941 File
    8942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8943 packages/chimerax/core/session.py", line 943, in <lambda> 
    8944 logger.report_exception(preface=preface)) 
    8945 File
    8946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8947 packages/chimerax/core/logger.py", line 421, in report_exception 
    8948 elif probably_chimera1_session(exc_info): 
    8949 File
    8950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8951 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8952 etype, evalue, etraceback = exc_info 
    8953 TypeError: cannot unpack non-iterable NoneType object 
    8954  
    8955 TypeError: cannot unpack non-iterable NoneType object 
    8956  
    8957 File
    8958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8959 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8960 etype, evalue, etraceback = exc_info 
    8961  
    8962 See log for complete Python traceback. 
    8963  
    8964 Traceback (most recent call last): 
    8965 File
    8966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8967 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8968 return self._func(self._name, data) 
    8969 File
    8970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8971 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8972 if v.display: 
    8973 File
    8974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8975 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8976 return self._any_displayed_positions and len(self._positions) > 0 
    8977 TypeError: object of type 'NoneType' has no len() 
    8978  
    8979 During handling of the above exception, another exception occurred: 
    8980  
    8981 Traceback (most recent call last): 
    8982 File
    8983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8984 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8985 if not self.draw_new_frame(): 
    8986 File
    8987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8988 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8989 changed = view.check_for_drawing_change() 
    8990 File
    8991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8992 packages/chimerax/core/graphics/view.py", line 252, in
    8993 check_for_drawing_change 
    8994 trig.activate_trigger('graphics update', self) 
    8995 File
    8996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8997 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8998 trigger.activate(data) 
    8999 File
    9000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9001 packages/chimerax/core/triggerset.py", line 190, in activate 
    9002 ret = handler.invoke(data, self._remove_bad_handlers) 
    9003 File
    9004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9005 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9006 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9007 File
    9008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9009 packages/chimerax/core/session.py", line 943, in <lambda> 
    9010 logger.report_exception(preface=preface)) 
    9011 File
    9012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9013 packages/chimerax/core/logger.py", line 421, in report_exception 
    9014 elif probably_chimera1_session(exc_info): 
    9015 File
    9016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9017 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9018 etype, evalue, etraceback = exc_info 
    9019 TypeError: cannot unpack non-iterable NoneType object 
    9020  
    9021 TypeError: cannot unpack non-iterable NoneType object 
    9022  
    9023 File
    9024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9025 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9026 etype, evalue, etraceback = exc_info 
    9027  
    9028 See log for complete Python traceback. 
    9029  
    9030 Traceback (most recent call last): 
    9031 File
    9032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9033 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9034 return self._func(self._name, data) 
    9035 File
    9036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9037 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9038 if v.display: 
    9039 File
    9040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9041 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9042 return self._any_displayed_positions and len(self._positions) > 0 
    9043 TypeError: object of type 'NoneType' has no len() 
    9044  
    9045 During handling of the above exception, another exception occurred: 
    9046  
    9047 Traceback (most recent call last): 
    9048 File
    9049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9050 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9051 if not self.draw_new_frame(): 
    9052 File
    9053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9054 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9055 changed = view.check_for_drawing_change() 
    9056 File
    9057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9058 packages/chimerax/core/graphics/view.py", line 252, in
    9059 check_for_drawing_change 
    9060 trig.activate_trigger('graphics update', self) 
    9061 File
    9062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9063 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9064 trigger.activate(data) 
    9065 File
    9066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9067 packages/chimerax/core/triggerset.py", line 190, in activate 
    9068 ret = handler.invoke(data, self._remove_bad_handlers) 
    9069 File
    9070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9071 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9072 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9073 File
    9074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9075 packages/chimerax/core/session.py", line 943, in <lambda> 
    9076 logger.report_exception(preface=preface)) 
    9077 File
    9078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9079 packages/chimerax/core/logger.py", line 421, in report_exception 
    9080 elif probably_chimera1_session(exc_info): 
    9081 File
    9082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9083 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9084 etype, evalue, etraceback = exc_info 
    9085 TypeError: cannot unpack non-iterable NoneType object 
    9086  
    9087 TypeError: cannot unpack non-iterable NoneType object 
    9088  
    9089 File
    9090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9091 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9092 etype, evalue, etraceback = exc_info 
    9093  
    9094 See log for complete Python traceback. 
    9095  
    9096 Traceback (most recent call last): 
    9097 File
    9098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9099 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9100 return self._func(self._name, data) 
    9101 File
    9102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9103 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9104 if v.display: 
    9105 File
    9106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9107 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9108 return self._any_displayed_positions and len(self._positions) > 0 
    9109 TypeError: object of type 'NoneType' has no len() 
    9110  
    9111 During handling of the above exception, another exception occurred: 
    9112  
    9113 Traceback (most recent call last): 
    9114 File
    9115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9116 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9117 if not self.draw_new_frame(): 
    9118 File
    9119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9120 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9121 changed = view.check_for_drawing_change() 
    9122 File
    9123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9124 packages/chimerax/core/graphics/view.py", line 252, in
    9125 check_for_drawing_change 
    9126 trig.activate_trigger('graphics update', self) 
    9127 File
    9128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9129 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9130 trigger.activate(data) 
    9131 File
    9132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9133 packages/chimerax/core/triggerset.py", line 190, in activate 
    9134 ret = handler.invoke(data, self._remove_bad_handlers) 
    9135 File
    9136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9137 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9138 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9139 File
    9140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9141 packages/chimerax/core/session.py", line 943, in <lambda> 
    9142 logger.report_exception(preface=preface)) 
    9143 File
    9144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9145 packages/chimerax/core/logger.py", line 421, in report_exception 
    9146 elif probably_chimera1_session(exc_info): 
    9147 File
    9148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9149 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9150 etype, evalue, etraceback = exc_info 
    9151 TypeError: cannot unpack non-iterable NoneType object 
    9152  
    9153 TypeError: cannot unpack non-iterable NoneType object 
    9154  
    9155 File
    9156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9157 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9158 etype, evalue, etraceback = exc_info 
    9159  
    9160 See log for complete Python traceback. 
    9161  
    9162 Traceback (most recent call last): 
    9163 File
    9164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9165 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9166 return self._func(self._name, data) 
    9167 File
    9168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9169 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9170 if v.display: 
    9171 File
    9172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9173 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9174 return self._any_displayed_positions and len(self._positions) > 0 
    9175 TypeError: object of type 'NoneType' has no len() 
    9176  
    9177 During handling of the above exception, another exception occurred: 
    9178  
    9179 Traceback (most recent call last): 
    9180 File
    9181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9182 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9183 if not self.draw_new_frame(): 
    9184 File
    9185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9186 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9187 changed = view.check_for_drawing_change() 
    9188 File
    9189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9190 packages/chimerax/core/graphics/view.py", line 252, in
    9191 check_for_drawing_change 
    9192 trig.activate_trigger('graphics update', self) 
    9193 File
    9194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9195 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9196 trigger.activate(data) 
    9197 File
    9198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9199 packages/chimerax/core/triggerset.py", line 190, in activate 
    9200 ret = handler.invoke(data, self._remove_bad_handlers) 
    9201 File
    9202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9203 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9204 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9205 File
    9206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9207 packages/chimerax/core/session.py", line 943, in <lambda> 
    9208 logger.report_exception(preface=preface)) 
    9209 File
    9210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9211 packages/chimerax/core/logger.py", line 421, in report_exception 
    9212 elif probably_chimera1_session(exc_info): 
    9213 File
    9214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9215 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9216 etype, evalue, etraceback = exc_info 
    9217 TypeError: cannot unpack non-iterable NoneType object 
    9218  
    9219 TypeError: cannot unpack non-iterable NoneType object 
    9220  
    9221 File
    9222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9223 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9224 etype, evalue, etraceback = exc_info 
    9225  
    9226 See log for complete Python traceback. 
    9227  
    9228 Traceback (most recent call last): 
    9229 File
    9230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9231 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9232 return self._func(self._name, data) 
    9233 File
    9234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9235 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9236 if v.display: 
    9237 File
    9238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9239 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9240 return self._any_displayed_positions and len(self._positions) > 0 
    9241 TypeError: object of type 'NoneType' has no len() 
    9242  
    9243 During handling of the above exception, another exception occurred: 
    9244  
    9245 Traceback (most recent call last): 
    9246 File
    9247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9248 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9249 if not self.draw_new_frame(): 
    9250 File
    9251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9252 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9253 changed = view.check_for_drawing_change() 
    9254 File
    9255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9256 packages/chimerax/core/graphics/view.py", line 252, in
    9257 check_for_drawing_change 
    9258 trig.activate_trigger('graphics update', self) 
    9259 File
    9260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9261 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9262 trigger.activate(data) 
    9263 File
    9264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9265 packages/chimerax/core/triggerset.py", line 190, in activate 
    9266 ret = handler.invoke(data, self._remove_bad_handlers) 
    9267 File
    9268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9269 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9270 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9271 File
    9272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9273 packages/chimerax/core/session.py", line 943, in <lambda> 
    9274 logger.report_exception(preface=preface)) 
    9275 File
    9276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9277 packages/chimerax/core/logger.py", line 421, in report_exception 
    9278 elif probably_chimera1_session(exc_info): 
    9279 File
    9280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9281 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9282 etype, evalue, etraceback = exc_info 
    9283 TypeError: cannot unpack non-iterable NoneType object 
    9284  
    9285 TypeError: cannot unpack non-iterable NoneType object 
    9286  
    9287 File
    9288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9289 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9290 etype, evalue, etraceback = exc_info 
    9291  
    9292 See log for complete Python traceback. 
    9293  
    9294 Traceback (most recent call last): 
    9295 File
    9296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9297 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9298 return self._func(self._name, data) 
    9299 File
    9300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9301 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9302 if v.display: 
    9303 File
    9304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9305 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9306 return self._any_displayed_positions and len(self._positions) > 0 
    9307 TypeError: object of type 'NoneType' has no len() 
    9308  
    9309 During handling of the above exception, another exception occurred: 
    9310  
    9311 Traceback (most recent call last): 
    9312 File
    9313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9314 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9315 if not self.draw_new_frame(): 
    9316 File
    9317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9318 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9319 changed = view.check_for_drawing_change() 
    9320 File
    9321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9322 packages/chimerax/core/graphics/view.py", line 252, in
    9323 check_for_drawing_change 
    9324 trig.activate_trigger('graphics update', self) 
    9325 File
    9326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9327 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9328 trigger.activate(data) 
    9329 File
    9330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9331 packages/chimerax/core/triggerset.py", line 190, in activate 
    9332 ret = handler.invoke(data, self._remove_bad_handlers) 
    9333 File
    9334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9335 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9336 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9337 File
    9338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9339 packages/chimerax/core/session.py", line 943, in <lambda> 
    9340 logger.report_exception(preface=preface)) 
    9341 File
    9342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9343 packages/chimerax/core/logger.py", line 421, in report_exception 
    9344 elif probably_chimera1_session(exc_info): 
    9345 File
    9346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9347 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9348 etype, evalue, etraceback = exc_info 
    9349 TypeError: cannot unpack non-iterable NoneType object 
    9350  
    9351 TypeError: cannot unpack non-iterable NoneType object 
    9352  
    9353 File
    9354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9355 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9356 etype, evalue, etraceback = exc_info 
    9357  
    9358 See log for complete Python traceback. 
    9359  
    9360 Traceback (most recent call last): 
    9361 File
    9362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9363 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9364 return self._func(self._name, data) 
    9365 File
    9366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9367 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9368 if v.display: 
    9369 File
    9370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9371 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9372 return self._any_displayed_positions and len(self._positions) > 0 
    9373 TypeError: object of type 'NoneType' has no len() 
    9374  
    9375 During handling of the above exception, another exception occurred: 
    9376  
    9377 Traceback (most recent call last): 
    9378 File
    9379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9380 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9381 if not self.draw_new_frame(): 
    9382 File
    9383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9384 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9385 changed = view.check_for_drawing_change() 
    9386 File
    9387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9388 packages/chimerax/core/graphics/view.py", line 252, in
    9389 check_for_drawing_change 
    9390 trig.activate_trigger('graphics update', self) 
    9391 File
    9392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9393 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9394 trigger.activate(data) 
    9395 File
    9396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9397 packages/chimerax/core/triggerset.py", line 190, in activate 
    9398 ret = handler.invoke(data, self._remove_bad_handlers) 
    9399 File
    9400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9401 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9402 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9403 File
    9404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9405 packages/chimerax/core/session.py", line 943, in <lambda> 
    9406 logger.report_exception(preface=preface)) 
    9407 File
    9408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9409 packages/chimerax/core/logger.py", line 421, in report_exception 
    9410 elif probably_chimera1_session(exc_info): 
    9411 File
    9412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9413 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9414 etype, evalue, etraceback = exc_info 
    9415 TypeError: cannot unpack non-iterable NoneType object 
    9416  
    9417 TypeError: cannot unpack non-iterable NoneType object 
    9418  
    9419 File
    9420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9421 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9422 etype, evalue, etraceback = exc_info 
    9423  
    9424 See log for complete Python traceback. 
    9425  
    9426 Traceback (most recent call last): 
    9427 File
    9428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9429 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9430 return self._func(self._name, data) 
    9431 File
    9432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9433 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9434 if v.display: 
    9435 File
    9436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9437 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9438 return self._any_displayed_positions and len(self._positions) > 0 
    9439 TypeError: object of type 'NoneType' has no len() 
    9440  
    9441 During handling of the above exception, another exception occurred: 
    9442  
    9443 Traceback (most recent call last): 
    9444 File
    9445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9446 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9447 if not self.draw_new_frame(): 
    9448 File
    9449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9450 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9451 changed = view.check_for_drawing_change() 
    9452 File
    9453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9454 packages/chimerax/core/graphics/view.py", line 252, in
    9455 check_for_drawing_change 
    9456 trig.activate_trigger('graphics update', self) 
    9457 File
    9458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9459 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9460 trigger.activate(data) 
    9461 File
    9462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9463 packages/chimerax/core/triggerset.py", line 190, in activate 
    9464 ret = handler.invoke(data, self._remove_bad_handlers) 
    9465 File
    9466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9467 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9468 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9469 File
    9470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9471 packages/chimerax/core/session.py", line 943, in <lambda> 
    9472 logger.report_exception(preface=preface)) 
    9473 File
    9474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9475 packages/chimerax/core/logger.py", line 421, in report_exception 
    9476 elif probably_chimera1_session(exc_info): 
    9477 File
    9478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9479 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9480 etype, evalue, etraceback = exc_info 
    9481 TypeError: cannot unpack non-iterable NoneType object 
    9482  
    9483 TypeError: cannot unpack non-iterable NoneType object 
    9484  
    9485 File
    9486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9487 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9488 etype, evalue, etraceback = exc_info 
    9489  
    9490 See log for complete Python traceback. 
    9491  
    9492 Traceback (most recent call last): 
    9493 File
    9494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9495 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9496 return self._func(self._name, data) 
    9497 File
    9498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9499 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9500 if v.display: 
    9501 File
    9502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9503 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9504 return self._any_displayed_positions and len(self._positions) > 0 
    9505 TypeError: object of type 'NoneType' has no len() 
    9506  
    9507 During handling of the above exception, another exception occurred: 
    9508  
    9509 Traceback (most recent call last): 
    9510 File
    9511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9512 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9513 if not self.draw_new_frame(): 
    9514 File
    9515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9516 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9517 changed = view.check_for_drawing_change() 
    9518 File
    9519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9520 packages/chimerax/core/graphics/view.py", line 252, in
    9521 check_for_drawing_change 
    9522 trig.activate_trigger('graphics update', self) 
    9523 File
    9524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9525 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9526 trigger.activate(data) 
    9527 File
    9528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9529 packages/chimerax/core/triggerset.py", line 190, in activate 
    9530 ret = handler.invoke(data, self._remove_bad_handlers) 
    9531 File
    9532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9533 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9534 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9535 File
    9536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9537 packages/chimerax/core/session.py", line 943, in <lambda> 
    9538 logger.report_exception(preface=preface)) 
    9539 File
    9540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9541 packages/chimerax/core/logger.py", line 421, in report_exception 
    9542 elif probably_chimera1_session(exc_info): 
    9543 File
    9544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9545 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9546 etype, evalue, etraceback = exc_info 
    9547 TypeError: cannot unpack non-iterable NoneType object 
    9548  
    9549 TypeError: cannot unpack non-iterable NoneType object 
    9550  
    9551 File
    9552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9553 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9554 etype, evalue, etraceback = exc_info 
    9555  
    9556 See log for complete Python traceback. 
    9557  
    9558 Traceback (most recent call last): 
    9559 File
    9560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9561 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9562 return self._func(self._name, data) 
    9563 File
    9564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9565 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9566 if v.display: 
    9567 File
    9568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9569 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9570 return self._any_displayed_positions and len(self._positions) > 0 
    9571 TypeError: object of type 'NoneType' has no len() 
    9572  
    9573 During handling of the above exception, another exception occurred: 
    9574  
    9575 Traceback (most recent call last): 
    9576 File
    9577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9578 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9579 if not self.draw_new_frame(): 
    9580 File
    9581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9582 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9583 changed = view.check_for_drawing_change() 
    9584 File
    9585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9586 packages/chimerax/core/graphics/view.py", line 252, in
    9587 check_for_drawing_change 
    9588 trig.activate_trigger('graphics update', self) 
    9589 File
    9590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9591 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9592 trigger.activate(data) 
    9593 File
    9594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9595 packages/chimerax/core/triggerset.py", line 190, in activate 
    9596 ret = handler.invoke(data, self._remove_bad_handlers) 
    9597 File
    9598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9599 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9600 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9601 File
    9602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9603 packages/chimerax/core/session.py", line 943, in <lambda> 
    9604 logger.report_exception(preface=preface)) 
    9605 File
    9606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9607 packages/chimerax/core/logger.py", line 421, in report_exception 
    9608 elif probably_chimera1_session(exc_info): 
    9609 File
    9610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9611 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9612 etype, evalue, etraceback = exc_info 
    9613 TypeError: cannot unpack non-iterable NoneType object 
    9614  
    9615 TypeError: cannot unpack non-iterable NoneType object 
    9616  
    9617 File
    9618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9619 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9620 etype, evalue, etraceback = exc_info 
    9621  
    9622 See log for complete Python traceback. 
    9623  
    9624 Traceback (most recent call last): 
    9625 File
    9626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9627 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9628 return self._func(self._name, data) 
    9629 File
    9630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9631 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9632 if v.display: 
    9633 File
    9634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9635 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9636 return self._any_displayed_positions and len(self._positions) > 0 
    9637 TypeError: object of type 'NoneType' has no len() 
    9638  
    9639 During handling of the above exception, another exception occurred: 
    9640  
    9641 Traceback (most recent call last): 
    9642 File
    9643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9644 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9645 if not self.draw_new_frame(): 
    9646 File
    9647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9648 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9649 changed = view.check_for_drawing_change() 
    9650 File
    9651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9652 packages/chimerax/core/graphics/view.py", line 252, in
    9653 check_for_drawing_change 
    9654 trig.activate_trigger('graphics update', self) 
    9655 File
    9656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9657 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9658 trigger.activate(data) 
    9659 File
    9660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9661 packages/chimerax/core/triggerset.py", line 190, in activate 
    9662 ret = handler.invoke(data, self._remove_bad_handlers) 
    9663 File
    9664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9665 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9666 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9667 File
    9668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9669 packages/chimerax/core/session.py", line 943, in <lambda> 
    9670 logger.report_exception(preface=preface)) 
    9671 File
    9672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9673 packages/chimerax/core/logger.py", line 421, in report_exception 
    9674 elif probably_chimera1_session(exc_info): 
    9675 File
    9676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9677 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9678 etype, evalue, etraceback = exc_info 
    9679 TypeError: cannot unpack non-iterable NoneType object 
    9680  
    9681 TypeError: cannot unpack non-iterable NoneType object 
    9682  
    9683 File
    9684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9685 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9686 etype, evalue, etraceback = exc_info 
    9687  
    9688 See log for complete Python traceback. 
    9689  
    9690 Traceback (most recent call last): 
    9691 File
    9692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9693 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9694 return self._func(self._name, data) 
    9695 File
    9696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9697 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9698 if v.display: 
    9699 File
    9700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9701 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9702 return self._any_displayed_positions and len(self._positions) > 0 
    9703 TypeError: object of type 'NoneType' has no len() 
    9704  
    9705 During handling of the above exception, another exception occurred: 
    9706  
    9707 Traceback (most recent call last): 
    9708 File
    9709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9710 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9711 if not self.draw_new_frame(): 
    9712 File
    9713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9714 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9715 changed = view.check_for_drawing_change() 
    9716 File
    9717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9718 packages/chimerax/core/graphics/view.py", line 252, in
    9719 check_for_drawing_change 
    9720 trig.activate_trigger('graphics update', self) 
    9721 File
    9722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9723 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9724 trigger.activate(data) 
    9725 File
    9726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9727 packages/chimerax/core/triggerset.py", line 190, in activate 
    9728 ret = handler.invoke(data, self._remove_bad_handlers) 
    9729 File
    9730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9731 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9732 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9733 File
    9734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9735 packages/chimerax/core/session.py", line 943, in <lambda> 
    9736 logger.report_exception(preface=preface)) 
    9737 File
    9738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9739 packages/chimerax/core/logger.py", line 421, in report_exception 
    9740 elif probably_chimera1_session(exc_info): 
    9741 File
    9742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9743 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9744 etype, evalue, etraceback = exc_info 
    9745 TypeError: cannot unpack non-iterable NoneType object 
    9746  
    9747 TypeError: cannot unpack non-iterable NoneType object 
    9748  
    9749 File
    9750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9751 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9752 etype, evalue, etraceback = exc_info 
    9753  
    9754 See log for complete Python traceback. 
    9755  
    9756 Traceback (most recent call last): 
    9757 File
    9758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9759 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9760 return self._func(self._name, data) 
    9761 File
    9762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9763 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9764 if v.display: 
    9765 File
    9766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9767 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9768 return self._any_displayed_positions and len(self._positions) > 0 
    9769 TypeError: object of type 'NoneType' has no len() 
    9770  
    9771 During handling of the above exception, another exception occurred: 
    9772  
    9773 Traceback (most recent call last): 
    9774 File
    9775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9776 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9777 if not self.draw_new_frame(): 
    9778 File
    9779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9780 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9781 changed = view.check_for_drawing_change() 
    9782 File
    9783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9784 packages/chimerax/core/graphics/view.py", line 252, in
    9785 check_for_drawing_change 
    9786 trig.activate_trigger('graphics update', self) 
    9787 File
    9788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9789 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9790 trigger.activate(data) 
    9791 File
    9792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9793 packages/chimerax/core/triggerset.py", line 190, in activate 
    9794 ret = handler.invoke(data, self._remove_bad_handlers) 
    9795 File
    9796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9797 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9798 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9799 File
    9800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9801 packages/chimerax/core/session.py", line 943, in <lambda> 
    9802 logger.report_exception(preface=preface)) 
    9803 File
    9804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9805 packages/chimerax/core/logger.py", line 421, in report_exception 
    9806 elif probably_chimera1_session(exc_info): 
    9807 File
    9808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9809 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9810 etype, evalue, etraceback = exc_info 
    9811 TypeError: cannot unpack non-iterable NoneType object 
    9812  
    9813 TypeError: cannot unpack non-iterable NoneType object 
    9814  
    9815 File
    9816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9817 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9818 etype, evalue, etraceback = exc_info 
    9819  
    9820 See log for complete Python traceback. 
    9821  
    9822 Traceback (most recent call last): 
    9823 File
    9824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9825 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9826 return self._func(self._name, data) 
    9827 File
    9828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9829 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9830 if v.display: 
    9831 File
    9832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9833 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9834 return self._any_displayed_positions and len(self._positions) > 0 
    9835 TypeError: object of type 'NoneType' has no len() 
    9836  
    9837 During handling of the above exception, another exception occurred: 
    9838  
    9839 Traceback (most recent call last): 
    9840 File
    9841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9842 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9843 if not self.draw_new_frame(): 
    9844 File
    9845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9846 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9847 changed = view.check_for_drawing_change() 
    9848 File
    9849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9850 packages/chimerax/core/graphics/view.py", line 252, in
    9851 check_for_drawing_change 
    9852 trig.activate_trigger('graphics update', self) 
    9853 File
    9854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9855 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9856 trigger.activate(data) 
    9857 File
    9858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9859 packages/chimerax/core/triggerset.py", line 190, in activate 
    9860 ret = handler.invoke(data, self._remove_bad_handlers) 
    9861 File
    9862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9863 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9864 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9865 File
    9866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9867 packages/chimerax/core/session.py", line 943, in <lambda> 
    9868 logger.report_exception(preface=preface)) 
    9869 File
    9870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9871 packages/chimerax/core/logger.py", line 421, in report_exception 
    9872 elif probably_chimera1_session(exc_info): 
    9873 File
    9874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9875 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9876 etype, evalue, etraceback = exc_info 
    9877 TypeError: cannot unpack non-iterable NoneType object 
    9878  
    9879 TypeError: cannot unpack non-iterable NoneType object 
    9880  
    9881 File
    9882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9883 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9884 etype, evalue, etraceback = exc_info 
    9885  
    9886 See log for complete Python traceback. 
    9887  
    9888 Traceback (most recent call last): 
    9889 File
    9890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9891 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9892 return self._func(self._name, data) 
    9893 File
    9894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9895 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9896 if v.display: 
    9897 File
    9898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9899 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9900 return self._any_displayed_positions and len(self._positions) > 0 
    9901 TypeError: object of type 'NoneType' has no len() 
    9902  
    9903 During handling of the above exception, another exception occurred: 
    9904  
    9905 Traceback (most recent call last): 
    9906 File
    9907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9908 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9909 if not self.draw_new_frame(): 
    9910 File
    9911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9912 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9913 changed = view.check_for_drawing_change() 
    9914 File
    9915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9916 packages/chimerax/core/graphics/view.py", line 252, in
    9917 check_for_drawing_change 
    9918 trig.activate_trigger('graphics update', self) 
    9919 File
    9920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9921 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9922 trigger.activate(data) 
    9923 File
    9924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9925 packages/chimerax/core/triggerset.py", line 190, in activate 
    9926 ret = handler.invoke(data, self._remove_bad_handlers) 
    9927 File
    9928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9929 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9930 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9931 File
    9932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9933 packages/chimerax/core/session.py", line 943, in <lambda> 
    9934 logger.report_exception(preface=preface)) 
    9935 File
    9936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9937 packages/chimerax/core/logger.py", line 421, in report_exception 
    9938 elif probably_chimera1_session(exc_info): 
    9939 File
    9940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9941 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9942 etype, evalue, etraceback = exc_info 
    9943 TypeError: cannot unpack non-iterable NoneType object 
    9944  
    9945 TypeError: cannot unpack non-iterable NoneType object 
    9946  
    9947 File
    9948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9949 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9950 etype, evalue, etraceback = exc_info 
    9951  
    9952 See log for complete Python traceback. 
    9953  
    9954 Traceback (most recent call last): 
    9955 File
    9956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9957 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9958 return self._func(self._name, data) 
    9959 File
    9960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9961 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9962 if v.display: 
    9963 File
    9964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9965 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9966 return self._any_displayed_positions and len(self._positions) > 0 
    9967 TypeError: object of type 'NoneType' has no len() 
    9968  
    9969 During handling of the above exception, another exception occurred: 
    9970  
    9971 Traceback (most recent call last): 
    9972 File
    9973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9974 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9975 if not self.draw_new_frame(): 
    9976 File
    9977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9978 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9979 changed = view.check_for_drawing_change() 
    9980 File
    9981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9982 packages/chimerax/core/graphics/view.py", line 252, in
    9983 check_for_drawing_change 
    9984 trig.activate_trigger('graphics update', self) 
    9985 File
    9986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9987 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9988 trigger.activate(data) 
    9989 File
    9990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9991 packages/chimerax/core/triggerset.py", line 190, in activate 
    9992 ret = handler.invoke(data, self._remove_bad_handlers) 
    9993 File
    9994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9995 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9996 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9997 File
    9998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9999 packages/chimerax/core/session.py", line 943, in <lambda> 
    10000 logger.report_exception(preface=preface)) 
    10001 File
    10002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10003 packages/chimerax/core/logger.py", line 421, in report_exception 
    10004 elif probably_chimera1_session(exc_info): 
    10005 File
    10006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10007 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10008 etype, evalue, etraceback = exc_info 
    10009 TypeError: cannot unpack non-iterable NoneType object 
    10010  
    10011 TypeError: cannot unpack non-iterable NoneType object 
    10012  
    10013 File
    10014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10015 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10016 etype, evalue, etraceback = exc_info 
    10017  
    10018 See log for complete Python traceback. 
    10019  
    10020 Traceback (most recent call last): 
    10021 File
    10022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10023 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10024 return self._func(self._name, data) 
    10025 File
    10026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10027 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10028 if v.display: 
    10029 File
    10030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10031 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10032 return self._any_displayed_positions and len(self._positions) > 0 
    10033 TypeError: object of type 'NoneType' has no len() 
    10034  
    10035 During handling of the above exception, another exception occurred: 
    10036  
    10037 Traceback (most recent call last): 
    10038 File
    10039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10040 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10041 if not self.draw_new_frame(): 
    10042 File
    10043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10044 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10045 changed = view.check_for_drawing_change() 
    10046 File
    10047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10048 packages/chimerax/core/graphics/view.py", line 252, in
    10049 check_for_drawing_change 
    10050 trig.activate_trigger('graphics update', self) 
    10051 File
    10052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10053 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10054 trigger.activate(data) 
    10055 File
    10056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10057 packages/chimerax/core/triggerset.py", line 190, in activate 
    10058 ret = handler.invoke(data, self._remove_bad_handlers) 
    10059 File
    10060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10061 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10062 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10063 File
    10064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10065 packages/chimerax/core/session.py", line 943, in <lambda> 
    10066 logger.report_exception(preface=preface)) 
    10067 File
    10068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10069 packages/chimerax/core/logger.py", line 421, in report_exception 
    10070 elif probably_chimera1_session(exc_info): 
    10071 File
    10072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10073 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10074 etype, evalue, etraceback = exc_info 
    10075 TypeError: cannot unpack non-iterable NoneType object 
    10076  
    10077 TypeError: cannot unpack non-iterable NoneType object 
    10078  
    10079 File
    10080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10081 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10082 etype, evalue, etraceback = exc_info 
    10083  
    10084 See log for complete Python traceback. 
    10085  
    10086 Traceback (most recent call last): 
    10087 File
    10088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10089 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10090 return self._func(self._name, data) 
    10091 File
    10092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10093 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10094 if v.display: 
    10095 File
    10096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10097 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10098 return self._any_displayed_positions and len(self._positions) > 0 
    10099 TypeError: object of type 'NoneType' has no len() 
    10100  
    10101 During handling of the above exception, another exception occurred: 
    10102  
    10103 Traceback (most recent call last): 
    10104 File
    10105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10106 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10107 if not self.draw_new_frame(): 
    10108 File
    10109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10110 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10111 changed = view.check_for_drawing_change() 
    10112 File
    10113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10114 packages/chimerax/core/graphics/view.py", line 252, in
    10115 check_for_drawing_change 
    10116 trig.activate_trigger('graphics update', self) 
    10117 File
    10118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10119 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10120 trigger.activate(data) 
    10121 File
    10122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10123 packages/chimerax/core/triggerset.py", line 190, in activate 
    10124 ret = handler.invoke(data, self._remove_bad_handlers) 
    10125 File
    10126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10127 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10128 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10129 File
    10130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10131 packages/chimerax/core/session.py", line 943, in <lambda> 
    10132 logger.report_exception(preface=preface)) 
    10133 File
    10134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10135 packages/chimerax/core/logger.py", line 421, in report_exception 
    10136 elif probably_chimera1_session(exc_info): 
    10137 File
    10138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10139 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10140 etype, evalue, etraceback = exc_info 
    10141 TypeError: cannot unpack non-iterable NoneType object 
    10142  
    10143 TypeError: cannot unpack non-iterable NoneType object 
    10144  
    10145 File
    10146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10147 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10148 etype, evalue, etraceback = exc_info 
    10149  
    10150 See log for complete Python traceback. 
    10151  
    10152 Traceback (most recent call last): 
    10153 File
    10154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10155 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10156 return self._func(self._name, data) 
    10157 File
    10158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10159 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10160 if v.display: 
    10161 File
    10162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10163 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10164 return self._any_displayed_positions and len(self._positions) > 0 
    10165 TypeError: object of type 'NoneType' has no len() 
    10166  
    10167 During handling of the above exception, another exception occurred: 
    10168  
    10169 Traceback (most recent call last): 
    10170 File
    10171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10172 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10173 if not self.draw_new_frame(): 
    10174 File
    10175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10176 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10177 changed = view.check_for_drawing_change() 
    10178 File
    10179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10180 packages/chimerax/core/graphics/view.py", line 252, in
    10181 check_for_drawing_change 
    10182 trig.activate_trigger('graphics update', self) 
    10183 File
    10184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10185 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10186 trigger.activate(data) 
    10187 File
    10188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10189 packages/chimerax/core/triggerset.py", line 190, in activate 
    10190 ret = handler.invoke(data, self._remove_bad_handlers) 
    10191 File
    10192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10193 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10194 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10195 File
    10196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10197 packages/chimerax/core/session.py", line 943, in <lambda> 
    10198 logger.report_exception(preface=preface)) 
    10199 File
    10200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10201 packages/chimerax/core/logger.py", line 421, in report_exception 
    10202 elif probably_chimera1_session(exc_info): 
    10203 File
    10204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10205 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10206 etype, evalue, etraceback = exc_info 
    10207 TypeError: cannot unpack non-iterable NoneType object 
    10208  
    10209 TypeError: cannot unpack non-iterable NoneType object 
    10210  
    10211 File
    10212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10213 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10214 etype, evalue, etraceback = exc_info 
    10215  
    10216 See log for complete Python traceback. 
    10217  
    10218 Traceback (most recent call last): 
    10219 File
    10220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10221 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10222 return self._func(self._name, data) 
    10223 File
    10224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10225 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10226 if v.display: 
    10227 File
    10228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10229 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10230 return self._any_displayed_positions and len(self._positions) > 0 
    10231 TypeError: object of type 'NoneType' has no len() 
    10232  
    10233 During handling of the above exception, another exception occurred: 
    10234  
    10235 Traceback (most recent call last): 
    10236 File
    10237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10238 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10239 if not self.draw_new_frame(): 
    10240 File
    10241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10242 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10243 changed = view.check_for_drawing_change() 
    10244 File
    10245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10246 packages/chimerax/core/graphics/view.py", line 252, in
    10247 check_for_drawing_change 
    10248 trig.activate_trigger('graphics update', self) 
    10249 File
    10250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10251 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10252 trigger.activate(data) 
    10253 File
    10254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10255 packages/chimerax/core/triggerset.py", line 190, in activate 
    10256 ret = handler.invoke(data, self._remove_bad_handlers) 
    10257 File
    10258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10259 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10260 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10261 File
    10262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10263 packages/chimerax/core/session.py", line 943, in <lambda> 
    10264 logger.report_exception(preface=preface)) 
    10265 File
    10266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10267 packages/chimerax/core/logger.py", line 421, in report_exception 
    10268 elif probably_chimera1_session(exc_info): 
    10269 File
    10270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10271 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10272 etype, evalue, etraceback = exc_info 
    10273 TypeError: cannot unpack non-iterable NoneType object 
    10274  
    10275 TypeError: cannot unpack non-iterable NoneType object 
    10276  
    10277 File
    10278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10279 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10280 etype, evalue, etraceback = exc_info 
    10281  
    10282 See log for complete Python traceback. 
    10283  
    10284 Traceback (most recent call last): 
    10285 File
    10286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10287 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10288 return self._func(self._name, data) 
    10289 File
    10290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10291 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10292 if v.display: 
    10293 File
    10294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10295 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10296 return self._any_displayed_positions and len(self._positions) > 0 
    10297 TypeError: object of type 'NoneType' has no len() 
    10298  
    10299 During handling of the above exception, another exception occurred: 
    10300  
    10301 Traceback (most recent call last): 
    10302 File
    10303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10304 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10305 if not self.draw_new_frame(): 
    10306 File
    10307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10308 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10309 changed = view.check_for_drawing_change() 
    10310 File
    10311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10312 packages/chimerax/core/graphics/view.py", line 252, in
    10313 check_for_drawing_change 
    10314 trig.activate_trigger('graphics update', self) 
    10315 File
    10316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10317 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10318 trigger.activate(data) 
    10319 File
    10320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10321 packages/chimerax/core/triggerset.py", line 190, in activate 
    10322 ret = handler.invoke(data, self._remove_bad_handlers) 
    10323 File
    10324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10325 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10326 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10327 File
    10328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10329 packages/chimerax/core/session.py", line 943, in <lambda> 
    10330 logger.report_exception(preface=preface)) 
    10331 File
    10332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10333 packages/chimerax/core/logger.py", line 421, in report_exception 
    10334 elif probably_chimera1_session(exc_info): 
    10335 File
    10336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10337 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10338 etype, evalue, etraceback = exc_info 
    10339 TypeError: cannot unpack non-iterable NoneType object 
    10340  
    10341 TypeError: cannot unpack non-iterable NoneType object 
    10342  
    10343 File
    10344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10345 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10346 etype, evalue, etraceback = exc_info 
    10347  
    10348 See log for complete Python traceback. 
    10349  
    10350 Traceback (most recent call last): 
    10351 File
    10352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10353 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10354 return self._func(self._name, data) 
    10355 File
    10356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10357 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10358 if v.display: 
    10359 File
    10360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10361 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10362 return self._any_displayed_positions and len(self._positions) > 0 
    10363 TypeError: object of type 'NoneType' has no len() 
    10364  
    10365 During handling of the above exception, another exception occurred: 
    10366  
    10367 Traceback (most recent call last): 
    10368 File
    10369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10370 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10371 if not self.draw_new_frame(): 
    10372 File
    10373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10374 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10375 changed = view.check_for_drawing_change() 
    10376 File
    10377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10378 packages/chimerax/core/graphics/view.py", line 252, in
    10379 check_for_drawing_change 
    10380 trig.activate_trigger('graphics update', self) 
    10381 File
    10382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10383 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10384 trigger.activate(data) 
    10385 File
    10386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10387 packages/chimerax/core/triggerset.py", line 190, in activate 
    10388 ret = handler.invoke(data, self._remove_bad_handlers) 
    10389 File
    10390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10391 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10392 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10393 File
    10394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10395 packages/chimerax/core/session.py", line 943, in <lambda> 
    10396 logger.report_exception(preface=preface)) 
    10397 File
    10398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10399 packages/chimerax/core/logger.py", line 421, in report_exception 
    10400 elif probably_chimera1_session(exc_info): 
    10401 File
    10402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10403 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10404 etype, evalue, etraceback = exc_info 
    10405 TypeError: cannot unpack non-iterable NoneType object 
    10406  
    10407 TypeError: cannot unpack non-iterable NoneType object 
    10408  
    10409 File
    10410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10411 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10412 etype, evalue, etraceback = exc_info 
    10413  
    10414 See log for complete Python traceback. 
    10415  
    10416 Traceback (most recent call last): 
    10417 File
    10418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10419 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10420 return self._func(self._name, data) 
    10421 File
    10422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10423 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10424 if v.display: 
    10425 File
    10426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10427 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10428 return self._any_displayed_positions and len(self._positions) > 0 
    10429 TypeError: object of type 'NoneType' has no len() 
    10430  
    10431 During handling of the above exception, another exception occurred: 
    10432  
    10433 Traceback (most recent call last): 
    10434 File
    10435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10436 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10437 if not self.draw_new_frame(): 
    10438 File
    10439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10440 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10441 changed = view.check_for_drawing_change() 
    10442 File
    10443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10444 packages/chimerax/core/graphics/view.py", line 252, in
    10445 check_for_drawing_change 
    10446 trig.activate_trigger('graphics update', self) 
    10447 File
    10448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10449 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10450 trigger.activate(data) 
    10451 File
    10452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10453 packages/chimerax/core/triggerset.py", line 190, in activate 
    10454 ret = handler.invoke(data, self._remove_bad_handlers) 
    10455 File
    10456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10457 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10458 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10459 File
    10460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10461 packages/chimerax/core/session.py", line 943, in <lambda> 
    10462 logger.report_exception(preface=preface)) 
    10463 File
    10464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10465 packages/chimerax/core/logger.py", line 421, in report_exception 
    10466 elif probably_chimera1_session(exc_info): 
    10467 File
    10468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10469 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10470 etype, evalue, etraceback = exc_info 
    10471 TypeError: cannot unpack non-iterable NoneType object 
    10472  
    10473 TypeError: cannot unpack non-iterable NoneType object 
    10474  
    10475 File
    10476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10477 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10478 etype, evalue, etraceback = exc_info 
    10479  
    10480 See log for complete Python traceback. 
    10481  
    10482 Traceback (most recent call last): 
    10483 File
    10484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10485 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10486 return self._func(self._name, data) 
    10487 File
    10488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10489 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10490 if v.display: 
    10491 File
    10492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10493 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10494 return self._any_displayed_positions and len(self._positions) > 0 
    10495 TypeError: object of type 'NoneType' has no len() 
    10496  
    10497 During handling of the above exception, another exception occurred: 
    10498  
    10499 Traceback (most recent call last): 
    10500 File
    10501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10502 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10503 if not self.draw_new_frame(): 
    10504 File
    10505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10506 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10507 changed = view.check_for_drawing_change() 
    10508 File
    10509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10510 packages/chimerax/core/graphics/view.py", line 252, in
    10511 check_for_drawing_change 
    10512 trig.activate_trigger('graphics update', self) 
    10513 File
    10514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10515 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10516 trigger.activate(data) 
    10517 File
    10518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10519 packages/chimerax/core/triggerset.py", line 190, in activate 
    10520 ret = handler.invoke(data, self._remove_bad_handlers) 
    10521 File
    10522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10523 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10524 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10525 File
    10526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10527 packages/chimerax/core/session.py", line 943, in <lambda> 
    10528 logger.report_exception(preface=preface)) 
    10529 File
    10530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10531 packages/chimerax/core/logger.py", line 421, in report_exception 
    10532 elif probably_chimera1_session(exc_info): 
    10533 File
    10534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10535 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10536 etype, evalue, etraceback = exc_info 
    10537 TypeError: cannot unpack non-iterable NoneType object 
    10538  
    10539 TypeError: cannot unpack non-iterable NoneType object 
    10540  
    10541 File
    10542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10543 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10544 etype, evalue, etraceback = exc_info 
    10545  
    10546 See log for complete Python traceback. 
    10547  
    10548 Traceback (most recent call last): 
    10549 File
    10550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10551 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10552 return self._func(self._name, data) 
    10553 File
    10554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10555 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10556 if v.display: 
    10557 File
    10558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10559 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10560 return self._any_displayed_positions and len(self._positions) > 0 
    10561 TypeError: object of type 'NoneType' has no len() 
    10562  
    10563 During handling of the above exception, another exception occurred: 
    10564  
    10565 Traceback (most recent call last): 
    10566 File
    10567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10568 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10569 if not self.draw_new_frame(): 
    10570 File
    10571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10572 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10573 changed = view.check_for_drawing_change() 
    10574 File
    10575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10576 packages/chimerax/core/graphics/view.py", line 252, in
    10577 check_for_drawing_change 
    10578 trig.activate_trigger('graphics update', self) 
    10579 File
    10580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10581 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10582 trigger.activate(data) 
    10583 File
    10584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10585 packages/chimerax/core/triggerset.py", line 190, in activate 
    10586 ret = handler.invoke(data, self._remove_bad_handlers) 
    10587 File
    10588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10589 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10590 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10591 File
    10592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10593 packages/chimerax/core/session.py", line 943, in <lambda> 
    10594 logger.report_exception(preface=preface)) 
    10595 File
    10596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10597 packages/chimerax/core/logger.py", line 421, in report_exception 
    10598 elif probably_chimera1_session(exc_info): 
    10599 File
    10600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10601 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10602 etype, evalue, etraceback = exc_info 
    10603 TypeError: cannot unpack non-iterable NoneType object 
    10604  
    10605 TypeError: cannot unpack non-iterable NoneType object 
    10606  
    10607 File
    10608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10609 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10610 etype, evalue, etraceback = exc_info 
    10611  
    10612 See log for complete Python traceback. 
    10613  
    10614 Traceback (most recent call last): 
    10615 File
    10616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10617 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10618 return self._func(self._name, data) 
    10619 File
    10620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10621 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10622 if v.display: 
    10623 File
    10624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10625 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10626 return self._any_displayed_positions and len(self._positions) > 0 
    10627 TypeError: object of type 'NoneType' has no len() 
    10628  
    10629 During handling of the above exception, another exception occurred: 
    10630  
    10631 Traceback (most recent call last): 
    10632 File
    10633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10634 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10635 if not self.draw_new_frame(): 
    10636 File
    10637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10638 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10639 changed = view.check_for_drawing_change() 
    10640 File
    10641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10642 packages/chimerax/core/graphics/view.py", line 252, in
    10643 check_for_drawing_change 
    10644 trig.activate_trigger('graphics update', self) 
    10645 File
    10646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10647 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10648 trigger.activate(data) 
    10649 File
    10650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10651 packages/chimerax/core/triggerset.py", line 190, in activate 
    10652 ret = handler.invoke(data, self._remove_bad_handlers) 
    10653 File
    10654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10655 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10656 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10657 File
    10658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10659 packages/chimerax/core/session.py", line 943, in <lambda> 
    10660 logger.report_exception(preface=preface)) 
    10661 File
    10662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10663 packages/chimerax/core/logger.py", line 421, in report_exception 
    10664 elif probably_chimera1_session(exc_info): 
    10665 File
    10666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10667 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10668 etype, evalue, etraceback = exc_info 
    10669 TypeError: cannot unpack non-iterable NoneType object 
    10670  
    10671 TypeError: cannot unpack non-iterable NoneType object 
    10672  
    10673 File
    10674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10675 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10676 etype, evalue, etraceback = exc_info 
    10677  
    10678 See log for complete Python traceback. 
    10679  
    10680 Traceback (most recent call last): 
    10681 File
    10682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10683 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10684 return self._func(self._name, data) 
    10685 File
    10686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10687 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10688 if v.display: 
    10689 File
    10690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10691 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10692 return self._any_displayed_positions and len(self._positions) > 0 
    10693 TypeError: object of type 'NoneType' has no len() 
    10694  
    10695 During handling of the above exception, another exception occurred: 
    10696  
    10697 Traceback (most recent call last): 
    10698 File
    10699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10700 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10701 if not self.draw_new_frame(): 
    10702 File
    10703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10704 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10705 changed = view.check_for_drawing_change() 
    10706 File
    10707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10708 packages/chimerax/core/graphics/view.py", line 252, in
    10709 check_for_drawing_change 
    10710 trig.activate_trigger('graphics update', self) 
    10711 File
    10712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10713 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10714 trigger.activate(data) 
    10715 File
    10716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10717 packages/chimerax/core/triggerset.py", line 190, in activate 
    10718 ret = handler.invoke(data, self._remove_bad_handlers) 
    10719 File
    10720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10721 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10722 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10723 File
    10724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10725 packages/chimerax/core/session.py", line 943, in <lambda> 
    10726 logger.report_exception(preface=preface)) 
    10727 File
    10728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10729 packages/chimerax/core/logger.py", line 421, in report_exception 
    10730 elif probably_chimera1_session(exc_info): 
    10731 File
    10732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10733 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10734 etype, evalue, etraceback = exc_info 
    10735 TypeError: cannot unpack non-iterable NoneType object 
    10736  
    10737 TypeError: cannot unpack non-iterable NoneType object 
    10738  
    10739 File
    10740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10741 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10742 etype, evalue, etraceback = exc_info 
    10743  
    10744 See log for complete Python traceback. 
    10745  
    10746 Traceback (most recent call last): 
    10747 File
    10748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10749 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10750 return self._func(self._name, data) 
    10751 File
    10752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10753 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10754 if v.display: 
    10755 File
    10756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10757 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10758 return self._any_displayed_positions and len(self._positions) > 0 
    10759 TypeError: object of type 'NoneType' has no len() 
    10760  
    10761 During handling of the above exception, another exception occurred: 
    10762  
    10763 Traceback (most recent call last): 
    10764 File
    10765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10766 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10767 if not self.draw_new_frame(): 
    10768 File
    10769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10770 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10771 changed = view.check_for_drawing_change() 
    10772 File
    10773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10774 packages/chimerax/core/graphics/view.py", line 252, in
    10775 check_for_drawing_change 
    10776 trig.activate_trigger('graphics update', self) 
    10777 File
    10778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10779 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10780 trigger.activate(data) 
    10781 File
    10782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10783 packages/chimerax/core/triggerset.py", line 190, in activate 
    10784 ret = handler.invoke(data, self._remove_bad_handlers) 
    10785 File
    10786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10787 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10788 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10789 File
    10790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10791 packages/chimerax/core/session.py", line 943, in <lambda> 
    10792 logger.report_exception(preface=preface)) 
    10793 File
    10794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10795 packages/chimerax/core/logger.py", line 421, in report_exception 
    10796 elif probably_chimera1_session(exc_info): 
    10797 File
    10798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10799 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10800 etype, evalue, etraceback = exc_info 
    10801 TypeError: cannot unpack non-iterable NoneType object 
    10802  
    10803 TypeError: cannot unpack non-iterable NoneType object 
    10804  
    10805 File
    10806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10807 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10808 etype, evalue, etraceback = exc_info 
    10809  
    10810 See log for complete Python traceback. 
    10811  
    10812 Traceback (most recent call last): 
    10813 File
    10814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10815 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10816 return self._func(self._name, data) 
    10817 File
    10818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10819 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10820 if v.display: 
    10821 File
    10822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10823 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10824 return self._any_displayed_positions and len(self._positions) > 0 
    10825 TypeError: object of type 'NoneType' has no len() 
    10826  
    10827 During handling of the above exception, another exception occurred: 
    10828  
    10829 Traceback (most recent call last): 
    10830 File
    10831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10832 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10833 if not self.draw_new_frame(): 
    10834 File
    10835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10836 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10837 changed = view.check_for_drawing_change() 
    10838 File
    10839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10840 packages/chimerax/core/graphics/view.py", line 252, in
    10841 check_for_drawing_change 
    10842 trig.activate_trigger('graphics update', self) 
    10843 File
    10844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10845 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10846 trigger.activate(data) 
    10847 File
    10848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10849 packages/chimerax/core/triggerset.py", line 190, in activate 
    10850 ret = handler.invoke(data, self._remove_bad_handlers) 
    10851 File
    10852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10853 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10854 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10855 File
    10856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10857 packages/chimerax/core/session.py", line 943, in <lambda> 
    10858 logger.report_exception(preface=preface)) 
    10859 File
    10860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10861 packages/chimerax/core/logger.py", line 421, in report_exception 
    10862 elif probably_chimera1_session(exc_info): 
    10863 File
    10864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10865 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10866 etype, evalue, etraceback = exc_info 
    10867 TypeError: cannot unpack non-iterable NoneType object 
    10868  
    10869 TypeError: cannot unpack non-iterable NoneType object 
    10870  
    10871 File
    10872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10873 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10874 etype, evalue, etraceback = exc_info 
    10875  
    10876 See log for complete Python traceback. 
    10877  
    10878 Traceback (most recent call last): 
    10879 File
    10880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10881 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10882 return self._func(self._name, data) 
    10883 File
    10884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10885 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10886 if v.display: 
    10887 File
    10888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10889 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10890 return self._any_displayed_positions and len(self._positions) > 0 
    10891 TypeError: object of type 'NoneType' has no len() 
    10892  
    10893 During handling of the above exception, another exception occurred: 
    10894  
    10895 Traceback (most recent call last): 
    10896 File
    10897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10898 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10899 if not self.draw_new_frame(): 
    10900 File
    10901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10902 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10903 changed = view.check_for_drawing_change() 
    10904 File
    10905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10906 packages/chimerax/core/graphics/view.py", line 252, in
    10907 check_for_drawing_change 
    10908 trig.activate_trigger('graphics update', self) 
    10909 File
    10910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10911 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10912 trigger.activate(data) 
    10913 File
    10914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10915 packages/chimerax/core/triggerset.py", line 190, in activate 
    10916 ret = handler.invoke(data, self._remove_bad_handlers) 
    10917 File
    10918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10919 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10920 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10921 File
    10922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10923 packages/chimerax/core/session.py", line 943, in <lambda> 
    10924 logger.report_exception(preface=preface)) 
    10925 File
    10926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10927 packages/chimerax/core/logger.py", line 421, in report_exception 
    10928 elif probably_chimera1_session(exc_info): 
    10929 File
    10930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10931 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10932 etype, evalue, etraceback = exc_info 
    10933 TypeError: cannot unpack non-iterable NoneType object 
    10934  
    10935 TypeError: cannot unpack non-iterable NoneType object 
    10936  
    10937 File
    10938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10939 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10940 etype, evalue, etraceback = exc_info 
    10941  
    10942 See log for complete Python traceback. 
    10943  
    10944 Traceback (most recent call last): 
    10945 File
    10946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10947 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10948 return self._func(self._name, data) 
    10949 File
    10950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10951 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10952 if v.display: 
    10953 File
    10954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10955 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10956 return self._any_displayed_positions and len(self._positions) > 0 
    10957 TypeError: object of type 'NoneType' has no len() 
    10958  
    10959 During handling of the above exception, another exception occurred: 
    10960  
    10961 Traceback (most recent call last): 
    10962 File
    10963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10964 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10965 if not self.draw_new_frame(): 
    10966 File
    10967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10968 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10969 changed = view.check_for_drawing_change() 
    10970 File
    10971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10972 packages/chimerax/core/graphics/view.py", line 252, in
    10973 check_for_drawing_change 
    10974 trig.activate_trigger('graphics update', self) 
    10975 File
    10976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10977 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10978 trigger.activate(data) 
    10979 File
    10980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10981 packages/chimerax/core/triggerset.py", line 190, in activate 
    10982 ret = handler.invoke(data, self._remove_bad_handlers) 
    10983 File
    10984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10985 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10986 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10987 File
    10988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10989 packages/chimerax/core/session.py", line 943, in <lambda> 
    10990 logger.report_exception(preface=preface)) 
    10991 File
    10992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10993 packages/chimerax/core/logger.py", line 421, in report_exception 
    10994 elif probably_chimera1_session(exc_info): 
    10995 File
    10996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10997 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10998 etype, evalue, etraceback = exc_info 
    10999 TypeError: cannot unpack non-iterable NoneType object 
    11000  
    11001 TypeError: cannot unpack non-iterable NoneType object 
    11002  
    11003 File
    11004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11005 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11006 etype, evalue, etraceback = exc_info 
    11007  
    11008 See log for complete Python traceback. 
    11009  
    11010 Traceback (most recent call last): 
    11011 File
    11012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11013 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11014 return self._func(self._name, data) 
    11015 File
    11016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11017 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11018 if v.display: 
    11019 File
    11020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11021 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11022 return self._any_displayed_positions and len(self._positions) > 0 
    11023 TypeError: object of type 'NoneType' has no len() 
    11024  
    11025 During handling of the above exception, another exception occurred: 
    11026  
    11027 Traceback (most recent call last): 
    11028 File
    11029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11030 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11031 if not self.draw_new_frame(): 
    11032 File
    11033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11034 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11035 changed = view.check_for_drawing_change() 
    11036 File
    11037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11038 packages/chimerax/core/graphics/view.py", line 252, in
    11039 check_for_drawing_change 
    11040 trig.activate_trigger('graphics update', self) 
    11041 File
    11042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11043 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11044 trigger.activate(data) 
    11045 File
    11046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11047 packages/chimerax/core/triggerset.py", line 190, in activate 
    11048 ret = handler.invoke(data, self._remove_bad_handlers) 
    11049 File
    11050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11051 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11052 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11053 File
    11054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11055 packages/chimerax/core/session.py", line 943, in <lambda> 
    11056 logger.report_exception(preface=preface)) 
    11057 File
    11058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11059 packages/chimerax/core/logger.py", line 421, in report_exception 
    11060 elif probably_chimera1_session(exc_info): 
    11061 File
    11062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11063 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11064 etype, evalue, etraceback = exc_info 
    11065 TypeError: cannot unpack non-iterable NoneType object 
    11066  
    11067 TypeError: cannot unpack non-iterable NoneType object 
    11068  
    11069 File
    11070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11071 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11072 etype, evalue, etraceback = exc_info 
    11073  
    11074 See log for complete Python traceback. 
    11075  
    11076 Traceback (most recent call last): 
    11077 File
    11078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11079 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11080 return self._func(self._name, data) 
    11081 File
    11082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11083 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11084 if v.display: 
    11085 File
    11086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11087 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11088 return self._any_displayed_positions and len(self._positions) > 0 
    11089 TypeError: object of type 'NoneType' has no len() 
    11090  
    11091 During handling of the above exception, another exception occurred: 
    11092  
    11093 Traceback (most recent call last): 
    11094 File
    11095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11096 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11097 if not self.draw_new_frame(): 
    11098 File
    11099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11100 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11101 changed = view.check_for_drawing_change() 
    11102 File
    11103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11104 packages/chimerax/core/graphics/view.py", line 252, in
    11105 check_for_drawing_change 
    11106 trig.activate_trigger('graphics update', self) 
    11107 File
    11108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11109 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11110 trigger.activate(data) 
    11111 File
    11112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11113 packages/chimerax/core/triggerset.py", line 190, in activate 
    11114 ret = handler.invoke(data, self._remove_bad_handlers) 
    11115 File
    11116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11117 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11118 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11119 File
    11120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11121 packages/chimerax/core/session.py", line 943, in <lambda> 
    11122 logger.report_exception(preface=preface)) 
    11123 File
    11124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11125 packages/chimerax/core/logger.py", line 421, in report_exception 
    11126 elif probably_chimera1_session(exc_info): 
    11127 File
    11128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11129 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11130 etype, evalue, etraceback = exc_info 
    11131 TypeError: cannot unpack non-iterable NoneType object 
    11132  
    11133 TypeError: cannot unpack non-iterable NoneType object 
    11134  
    11135 File
    11136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11137 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11138 etype, evalue, etraceback = exc_info 
    11139  
    11140 See log for complete Python traceback. 
    11141  
    11142 Traceback (most recent call last): 
    11143 File
    11144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11145 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11146 return self._func(self._name, data) 
    11147 File
    11148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11149 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11150 if v.display: 
    11151 File
    11152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11153 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11154 return self._any_displayed_positions and len(self._positions) > 0 
    11155 TypeError: object of type 'NoneType' has no len() 
    11156  
    11157 During handling of the above exception, another exception occurred: 
    11158  
    11159 Traceback (most recent call last): 
    11160 File
    11161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11162 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11163 if not self.draw_new_frame(): 
    11164 File
    11165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11166 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11167 changed = view.check_for_drawing_change() 
    11168 File
    11169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11170 packages/chimerax/core/graphics/view.py", line 252, in
    11171 check_for_drawing_change 
    11172 trig.activate_trigger('graphics update', self) 
    11173 File
    11174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11175 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11176 trigger.activate(data) 
    11177 File
    11178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11179 packages/chimerax/core/triggerset.py", line 190, in activate 
    11180 ret = handler.invoke(data, self._remove_bad_handlers) 
    11181 File
    11182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11183 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11184 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11185 File
    11186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11187 packages/chimerax/core/session.py", line 943, in <lambda> 
    11188 logger.report_exception(preface=preface)) 
    11189 File
    11190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11191 packages/chimerax/core/logger.py", line 421, in report_exception 
    11192 elif probably_chimera1_session(exc_info): 
    11193 File
    11194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11195 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11196 etype, evalue, etraceback = exc_info 
    11197 TypeError: cannot unpack non-iterable NoneType object 
    11198  
    11199 TypeError: cannot unpack non-iterable NoneType object 
    11200  
    11201 File
    11202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11203 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11204 etype, evalue, etraceback = exc_info 
    11205  
    11206 See log for complete Python traceback. 
    11207  
    11208 Traceback (most recent call last): 
    11209 File
    11210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11211 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11212 return self._func(self._name, data) 
    11213 File
    11214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11215 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11216 if v.display: 
    11217 File
    11218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11219 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11220 return self._any_displayed_positions and len(self._positions) > 0 
    11221 TypeError: object of type 'NoneType' has no len() 
    11222  
    11223 During handling of the above exception, another exception occurred: 
    11224  
    11225 Traceback (most recent call last): 
    11226 File
    11227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11228 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11229 if not self.draw_new_frame(): 
    11230 File
    11231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11232 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11233 changed = view.check_for_drawing_change() 
    11234 File
    11235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11236 packages/chimerax/core/graphics/view.py", line 252, in
    11237 check_for_drawing_change 
    11238 trig.activate_trigger('graphics update', self) 
    11239 File
    11240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11241 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11242 trigger.activate(data) 
    11243 File
    11244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11245 packages/chimerax/core/triggerset.py", line 190, in activate 
    11246 ret = handler.invoke(data, self._remove_bad_handlers) 
    11247 File
    11248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11249 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11250 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11251 File
    11252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11253 packages/chimerax/core/session.py", line 943, in <lambda> 
    11254 logger.report_exception(preface=preface)) 
    11255 File
    11256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11257 packages/chimerax/core/logger.py", line 421, in report_exception 
    11258 elif probably_chimera1_session(exc_info): 
    11259 File
    11260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11261 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11262 etype, evalue, etraceback = exc_info 
    11263 TypeError: cannot unpack non-iterable NoneType object 
    11264  
    11265 TypeError: cannot unpack non-iterable NoneType object 
    11266  
    11267 File
    11268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11269 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11270 etype, evalue, etraceback = exc_info 
    11271  
    11272 See log for complete Python traceback. 
    11273  
    11274 Traceback (most recent call last): 
    11275 File
    11276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11277 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11278 return self._func(self._name, data) 
    11279 File
    11280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11281 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11282 if v.display: 
    11283 File
    11284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11285 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11286 return self._any_displayed_positions and len(self._positions) > 0 
    11287 TypeError: object of type 'NoneType' has no len() 
    11288  
    11289 During handling of the above exception, another exception occurred: 
    11290  
    11291 Traceback (most recent call last): 
    11292 File
    11293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11294 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11295 if not self.draw_new_frame(): 
    11296 File
    11297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11298 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11299 changed = view.check_for_drawing_change() 
    11300 File
    11301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11302 packages/chimerax/core/graphics/view.py", line 252, in
    11303 check_for_drawing_change 
    11304 trig.activate_trigger('graphics update', self) 
    11305 File
    11306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11307 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11308 trigger.activate(data) 
    11309 File
    11310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11311 packages/chimerax/core/triggerset.py", line 190, in activate 
    11312 ret = handler.invoke(data, self._remove_bad_handlers) 
    11313 File
    11314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11315 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11316 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11317 File
    11318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11319 packages/chimerax/core/session.py", line 943, in <lambda> 
    11320 logger.report_exception(preface=preface)) 
    11321 File
    11322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11323 packages/chimerax/core/logger.py", line 421, in report_exception 
    11324 elif probably_chimera1_session(exc_info): 
    11325 File
    11326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11327 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11328 etype, evalue, etraceback = exc_info 
    11329 TypeError: cannot unpack non-iterable NoneType object 
    11330  
    11331 TypeError: cannot unpack non-iterable NoneType object 
    11332  
    11333 File
    11334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11335 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11336 etype, evalue, etraceback = exc_info 
    11337  
    11338 See log for complete Python traceback. 
    11339  
    11340 Traceback (most recent call last): 
    11341 File
    11342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11343 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11344 return self._func(self._name, data) 
    11345 File
    11346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11347 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11348 if v.display: 
    11349 File
    11350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11351 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11352 return self._any_displayed_positions and len(self._positions) > 0 
    11353 TypeError: object of type 'NoneType' has no len() 
    11354  
    11355 During handling of the above exception, another exception occurred: 
    11356  
    11357 Traceback (most recent call last): 
    11358 File
    11359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11360 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11361 if not self.draw_new_frame(): 
    11362 File
    11363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11364 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11365 changed = view.check_for_drawing_change() 
    11366 File
    11367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11368 packages/chimerax/core/graphics/view.py", line 252, in
    11369 check_for_drawing_change 
    11370 trig.activate_trigger('graphics update', self) 
    11371 File
    11372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11373 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11374 trigger.activate(data) 
    11375 File
    11376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11377 packages/chimerax/core/triggerset.py", line 190, in activate 
    11378 ret = handler.invoke(data, self._remove_bad_handlers) 
    11379 File
    11380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11381 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11382 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11383 File
    11384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11385 packages/chimerax/core/session.py", line 943, in <lambda> 
    11386 logger.report_exception(preface=preface)) 
    11387 File
    11388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11389 packages/chimerax/core/logger.py", line 421, in report_exception 
    11390 elif probably_chimera1_session(exc_info): 
    11391 File
    11392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11393 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11394 etype, evalue, etraceback = exc_info 
    11395 TypeError: cannot unpack non-iterable NoneType object 
    11396  
    11397 TypeError: cannot unpack non-iterable NoneType object 
    11398  
    11399 File
    11400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11401 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11402 etype, evalue, etraceback = exc_info 
    11403  
    11404 See log for complete Python traceback. 
    11405  
    11406 Traceback (most recent call last): 
    11407 File
    11408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11409 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11410 return self._func(self._name, data) 
    11411 File
    11412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11413 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11414 if v.display: 
    11415 File
    11416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11417 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11418 return self._any_displayed_positions and len(self._positions) > 0 
    11419 TypeError: object of type 'NoneType' has no len() 
    11420  
    11421 During handling of the above exception, another exception occurred: 
    11422  
    11423 Traceback (most recent call last): 
    11424 File
    11425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11426 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11427 if not self.draw_new_frame(): 
    11428 File
    11429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11430 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11431 changed = view.check_for_drawing_change() 
    11432 File
    11433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11434 packages/chimerax/core/graphics/view.py", line 252, in
    11435 check_for_drawing_change 
    11436 trig.activate_trigger('graphics update', self) 
    11437 File
    11438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11439 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11440 trigger.activate(data) 
    11441 File
    11442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11443 packages/chimerax/core/triggerset.py", line 190, in activate 
    11444 ret = handler.invoke(data, self._remove_bad_handlers) 
    11445 File
    11446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11447 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11448 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11449 File
    11450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11451 packages/chimerax/core/session.py", line 943, in <lambda> 
    11452 logger.report_exception(preface=preface)) 
    11453 File
    11454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11455 packages/chimerax/core/logger.py", line 421, in report_exception 
    11456 elif probably_chimera1_session(exc_info): 
    11457 File
    11458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11459 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11460 etype, evalue, etraceback = exc_info 
    11461 TypeError: cannot unpack non-iterable NoneType object 
    11462  
    11463 TypeError: cannot unpack non-iterable NoneType object 
    11464  
    11465 File
    11466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11467 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11468 etype, evalue, etraceback = exc_info 
    11469  
    11470 See log for complete Python traceback. 
    11471  
    11472 Traceback (most recent call last): 
    11473 File
    11474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11475 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11476 return self._func(self._name, data) 
    11477 File
    11478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11479 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11480 if v.display: 
    11481 File
    11482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11483 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11484 return self._any_displayed_positions and len(self._positions) > 0 
    11485 TypeError: object of type 'NoneType' has no len() 
    11486  
    11487 During handling of the above exception, another exception occurred: 
    11488  
    11489 Traceback (most recent call last): 
    11490 File
    11491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11492 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11493 if not self.draw_new_frame(): 
    11494 File
    11495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11496 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11497 changed = view.check_for_drawing_change() 
    11498 File
    11499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11500 packages/chimerax/core/graphics/view.py", line 252, in
    11501 check_for_drawing_change 
    11502 trig.activate_trigger('graphics update', self) 
    11503 File
    11504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11505 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11506 trigger.activate(data) 
    11507 File
    11508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11509 packages/chimerax/core/triggerset.py", line 190, in activate 
    11510 ret = handler.invoke(data, self._remove_bad_handlers) 
    11511 File
    11512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11513 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11514 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11515 File
    11516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11517 packages/chimerax/core/session.py", line 943, in <lambda> 
    11518 logger.report_exception(preface=preface)) 
    11519 File
    11520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11521 packages/chimerax/core/logger.py", line 421, in report_exception 
    11522 elif probably_chimera1_session(exc_info): 
    11523 File
    11524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11525 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11526 etype, evalue, etraceback = exc_info 
    11527 TypeError: cannot unpack non-iterable NoneType object 
    11528  
    11529 TypeError: cannot unpack non-iterable NoneType object 
    11530  
    11531 File
    11532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11533 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11534 etype, evalue, etraceback = exc_info 
    11535  
    11536 See log for complete Python traceback. 
    11537  
    11538 Traceback (most recent call last): 
    11539 File
    11540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11541 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11542 return self._func(self._name, data) 
    11543 File
    11544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11545 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11546 if v.display: 
    11547 File
    11548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11549 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11550 return self._any_displayed_positions and len(self._positions) > 0 
    11551 TypeError: object of type 'NoneType' has no len() 
    11552  
    11553 During handling of the above exception, another exception occurred: 
    11554  
    11555 Traceback (most recent call last): 
    11556 File
    11557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11558 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11559 if not self.draw_new_frame(): 
    11560 File
    11561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11562 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11563 changed = view.check_for_drawing_change() 
    11564 File
    11565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11566 packages/chimerax/core/graphics/view.py", line 252, in
    11567 check_for_drawing_change 
    11568 trig.activate_trigger('graphics update', self) 
    11569 File
    11570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11571 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11572 trigger.activate(data) 
    11573 File
    11574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11575 packages/chimerax/core/triggerset.py", line 190, in activate 
    11576 ret = handler.invoke(data, self._remove_bad_handlers) 
    11577 File
    11578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11579 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11580 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11581 File
    11582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11583 packages/chimerax/core/session.py", line 943, in <lambda> 
    11584 logger.report_exception(preface=preface)) 
    11585 File
    11586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11587 packages/chimerax/core/logger.py", line 421, in report_exception 
    11588 elif probably_chimera1_session(exc_info): 
    11589 File
    11590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11591 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11592 etype, evalue, etraceback = exc_info 
    11593 TypeError: cannot unpack non-iterable NoneType object 
    11594  
    11595 TypeError: cannot unpack non-iterable NoneType object 
    11596  
    11597 File
    11598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11599 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11600 etype, evalue, etraceback = exc_info 
    11601  
    11602 See log for complete Python traceback. 
    11603  
    11604 Traceback (most recent call last): 
    11605 File
    11606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11607 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11608 return self._func(self._name, data) 
    11609 File
    11610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11611 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11612 if v.display: 
    11613 File
    11614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11615 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11616 return self._any_displayed_positions and len(self._positions) > 0 
    11617 TypeError: object of type 'NoneType' has no len() 
    11618  
    11619 During handling of the above exception, another exception occurred: 
    11620  
    11621 Traceback (most recent call last): 
    11622 File
    11623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11624 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11625 if not self.draw_new_frame(): 
    11626 File
    11627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11628 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11629 changed = view.check_for_drawing_change() 
    11630 File
    11631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11632 packages/chimerax/core/graphics/view.py", line 252, in
    11633 check_for_drawing_change 
    11634 trig.activate_trigger('graphics update', self) 
    11635 File
    11636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11637 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11638 trigger.activate(data) 
    11639 File
    11640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11641 packages/chimerax/core/triggerset.py", line 190, in activate 
    11642 ret = handler.invoke(data, self._remove_bad_handlers) 
    11643 File
    11644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11645 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11646 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11647 File
    11648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11649 packages/chimerax/core/session.py", line 943, in <lambda> 
    11650 logger.report_exception(preface=preface)) 
    11651 File
    11652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11653 packages/chimerax/core/logger.py", line 421, in report_exception 
    11654 elif probably_chimera1_session(exc_info): 
    11655 File
    11656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11657 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11658 etype, evalue, etraceback = exc_info 
    11659 TypeError: cannot unpack non-iterable NoneType object 
    11660  
    11661 TypeError: cannot unpack non-iterable NoneType object 
    11662  
    11663 File
    11664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11665 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11666 etype, evalue, etraceback = exc_info 
    11667  
    11668 See log for complete Python traceback. 
    11669  
    11670 Traceback (most recent call last): 
    11671 File
    11672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11673 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11674 return self._func(self._name, data) 
    11675 File
    11676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11677 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11678 if v.display: 
    11679 File
    11680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11681 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11682 return self._any_displayed_positions and len(self._positions) > 0 
    11683 TypeError: object of type 'NoneType' has no len() 
    11684  
    11685 During handling of the above exception, another exception occurred: 
    11686  
    11687 Traceback (most recent call last): 
    11688 File
    11689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11690 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11691 if not self.draw_new_frame(): 
    11692 File
    11693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11694 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11695 changed = view.check_for_drawing_change() 
    11696 File
    11697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11698 packages/chimerax/core/graphics/view.py", line 252, in
    11699 check_for_drawing_change 
    11700 trig.activate_trigger('graphics update', self) 
    11701 File
    11702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11703 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11704 trigger.activate(data) 
    11705 File
    11706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11707 packages/chimerax/core/triggerset.py", line 190, in activate 
    11708 ret = handler.invoke(data, self._remove_bad_handlers) 
    11709 File
    11710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11711 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11712 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11713 File
    11714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11715 packages/chimerax/core/session.py", line 943, in <lambda> 
    11716 logger.report_exception(preface=preface)) 
    11717 File
    11718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11719 packages/chimerax/core/logger.py", line 421, in report_exception 
    11720 elif probably_chimera1_session(exc_info): 
    11721 File
    11722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11723 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11724 etype, evalue, etraceback = exc_info 
    11725 TypeError: cannot unpack non-iterable NoneType object 
    11726  
    11727 TypeError: cannot unpack non-iterable NoneType object 
    11728  
    11729 File
    11730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11731 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11732 etype, evalue, etraceback = exc_info 
    11733  
    11734 See log for complete Python traceback. 
    11735  
    11736 Traceback (most recent call last): 
    11737 File
    11738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11739 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11740 return self._func(self._name, data) 
    11741 File
    11742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11743 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11744 if v.display: 
    11745 File
    11746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11747 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11748 return self._any_displayed_positions and len(self._positions) > 0 
    11749 TypeError: object of type 'NoneType' has no len() 
    11750  
    11751 During handling of the above exception, another exception occurred: 
    11752  
    11753 Traceback (most recent call last): 
    11754 File
    11755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11756 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11757 if not self.draw_new_frame(): 
    11758 File
    11759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11760 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11761 changed = view.check_for_drawing_change() 
    11762 File
    11763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11764 packages/chimerax/core/graphics/view.py", line 252, in
    11765 check_for_drawing_change 
    11766 trig.activate_trigger('graphics update', self) 
    11767 File
    11768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11769 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11770 trigger.activate(data) 
    11771 File
    11772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11773 packages/chimerax/core/triggerset.py", line 190, in activate 
    11774 ret = handler.invoke(data, self._remove_bad_handlers) 
    11775 File
    11776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11777 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11778 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11779 File
    11780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11781 packages/chimerax/core/session.py", line 943, in <lambda> 
    11782 logger.report_exception(preface=preface)) 
    11783 File
    11784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11785 packages/chimerax/core/logger.py", line 421, in report_exception 
    11786 elif probably_chimera1_session(exc_info): 
    11787 File
    11788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11789 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11790 etype, evalue, etraceback = exc_info 
    11791 TypeError: cannot unpack non-iterable NoneType object 
    11792  
    11793 TypeError: cannot unpack non-iterable NoneType object 
    11794  
    11795 File
    11796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11797 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11798 etype, evalue, etraceback = exc_info 
    11799  
    11800 See log for complete Python traceback. 
    11801  
    11802 Traceback (most recent call last): 
    11803 File
    11804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11805 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11806 return self._func(self._name, data) 
    11807 File
    11808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11809 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11810 if v.display: 
    11811 File
    11812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11813 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11814 return self._any_displayed_positions and len(self._positions) > 0 
    11815 TypeError: object of type 'NoneType' has no len() 
    11816  
    11817 During handling of the above exception, another exception occurred: 
    11818  
    11819 Traceback (most recent call last): 
    11820 File
    11821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11822 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11823 if not self.draw_new_frame(): 
    11824 File
    11825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11826 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11827 changed = view.check_for_drawing_change() 
    11828 File
    11829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11830 packages/chimerax/core/graphics/view.py", line 252, in
    11831 check_for_drawing_change 
    11832 trig.activate_trigger('graphics update', self) 
    11833 File
    11834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11835 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11836 trigger.activate(data) 
    11837 File
    11838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11839 packages/chimerax/core/triggerset.py", line 190, in activate 
    11840 ret = handler.invoke(data, self._remove_bad_handlers) 
    11841 File
    11842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11843 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11844 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11845 File
    11846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11847 packages/chimerax/core/session.py", line 943, in <lambda> 
    11848 logger.report_exception(preface=preface)) 
    11849 File
    11850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11851 packages/chimerax/core/logger.py", line 421, in report_exception 
    11852 elif probably_chimera1_session(exc_info): 
    11853 File
    11854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11855 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11856 etype, evalue, etraceback = exc_info 
    11857 TypeError: cannot unpack non-iterable NoneType object 
    11858  
    11859 TypeError: cannot unpack non-iterable NoneType object 
    11860  
    11861 File
    11862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11863 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11864 etype, evalue, etraceback = exc_info 
    11865  
    11866 See log for complete Python traceback. 
    11867  
    11868 Traceback (most recent call last): 
    11869 File
    11870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11871 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11872 return self._func(self._name, data) 
    11873 File
    11874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11875 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11876 if v.display: 
    11877 File
    11878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11879 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11880 return self._any_displayed_positions and len(self._positions) > 0 
    11881 TypeError: object of type 'NoneType' has no len() 
    11882  
    11883 During handling of the above exception, another exception occurred: 
    11884  
    11885 Traceback (most recent call last): 
    11886 File
    11887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11888 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11889 if not self.draw_new_frame(): 
    11890 File
    11891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11892 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11893 changed = view.check_for_drawing_change() 
    11894 File
    11895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11896 packages/chimerax/core/graphics/view.py", line 252, in
    11897 check_for_drawing_change 
    11898 trig.activate_trigger('graphics update', self) 
    11899 File
    11900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11901 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11902 trigger.activate(data) 
    11903 File
    11904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11905 packages/chimerax/core/triggerset.py", line 190, in activate 
    11906 ret = handler.invoke(data, self._remove_bad_handlers) 
    11907 File
    11908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11909 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11910 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11911 File
    11912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11913 packages/chimerax/core/session.py", line 943, in <lambda> 
    11914 logger.report_exception(preface=preface)) 
    11915 File
    11916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11917 packages/chimerax/core/logger.py", line 421, in report_exception 
    11918 elif probably_chimera1_session(exc_info): 
    11919 File
    11920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11921 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11922 etype, evalue, etraceback = exc_info 
    11923 TypeError: cannot unpack non-iterable NoneType object 
    11924  
    11925 TypeError: cannot unpack non-iterable NoneType object 
    11926  
    11927 File
    11928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11929 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11930 etype, evalue, etraceback = exc_info 
    11931  
    11932 See log for complete Python traceback. 
    11933  
    11934 Traceback (most recent call last): 
    11935 File
    11936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11937 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11938 return self._func(self._name, data) 
    11939 File
    11940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11941 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11942 if v.display: 
    11943 File
    11944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11945 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11946 return self._any_displayed_positions and len(self._positions) > 0 
    11947 TypeError: object of type 'NoneType' has no len() 
    11948  
    11949 During handling of the above exception, another exception occurred: 
    11950  
    11951 Traceback (most recent call last): 
    11952 File
    11953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11954 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11955 if not self.draw_new_frame(): 
    11956 File
    11957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11958 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11959 changed = view.check_for_drawing_change() 
    11960 File
    11961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11962 packages/chimerax/core/graphics/view.py", line 252, in
    11963 check_for_drawing_change 
    11964 trig.activate_trigger('graphics update', self) 
    11965 File
    11966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11967 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11968 trigger.activate(data) 
    11969 File
    11970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11971 packages/chimerax/core/triggerset.py", line 190, in activate 
    11972 ret = handler.invoke(data, self._remove_bad_handlers) 
    11973 File
    11974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11975 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11976 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11977 File
    11978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11979 packages/chimerax/core/session.py", line 943, in <lambda> 
    11980 logger.report_exception(preface=preface)) 
    11981 File
    11982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11983 packages/chimerax/core/logger.py", line 421, in report_exception 
    11984 elif probably_chimera1_session(exc_info): 
    11985 File
    11986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11987 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11988 etype, evalue, etraceback = exc_info 
    11989 TypeError: cannot unpack non-iterable NoneType object 
    11990  
    11991 TypeError: cannot unpack non-iterable NoneType object 
    11992  
    11993 File
    11994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11995 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11996 etype, evalue, etraceback = exc_info 
    11997  
    11998 See log for complete Python traceback. 
    11999  
    12000 Traceback (most recent call last): 
    12001 File
    12002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12003 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12004 return self._func(self._name, data) 
    12005 File
    12006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12007 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12008 if v.display: 
    12009 File
    12010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12011 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12012 return self._any_displayed_positions and len(self._positions) > 0 
    12013 TypeError: object of type 'NoneType' has no len() 
    12014  
    12015 During handling of the above exception, another exception occurred: 
    12016  
    12017 Traceback (most recent call last): 
    12018 File
    12019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12020 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12021 if not self.draw_new_frame(): 
    12022 File
    12023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12024 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12025 changed = view.check_for_drawing_change() 
    12026 File
    12027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12028 packages/chimerax/core/graphics/view.py", line 252, in
    12029 check_for_drawing_change 
    12030 trig.activate_trigger('graphics update', self) 
    12031 File
    12032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12033 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12034 trigger.activate(data) 
    12035 File
    12036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12037 packages/chimerax/core/triggerset.py", line 190, in activate 
    12038 ret = handler.invoke(data, self._remove_bad_handlers) 
    12039 File
    12040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12041 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12042 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12043 File
    12044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12045 packages/chimerax/core/session.py", line 943, in <lambda> 
    12046 logger.report_exception(preface=preface)) 
    12047 File
    12048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12049 packages/chimerax/core/logger.py", line 421, in report_exception 
    12050 elif probably_chimera1_session(exc_info): 
    12051 File
    12052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12053 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12054 etype, evalue, etraceback = exc_info 
    12055 TypeError: cannot unpack non-iterable NoneType object 
    12056  
    12057 TypeError: cannot unpack non-iterable NoneType object 
    12058  
    12059 File
    12060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12061 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12062 etype, evalue, etraceback = exc_info 
    12063  
    12064 See log for complete Python traceback. 
    12065  
    12066 Traceback (most recent call last): 
    12067 File
    12068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12069 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12070 return self._func(self._name, data) 
    12071 File
    12072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12073 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12074 if v.display: 
    12075 File
    12076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12077 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12078 return self._any_displayed_positions and len(self._positions) > 0 
    12079 TypeError: object of type 'NoneType' has no len() 
    12080  
    12081 During handling of the above exception, another exception occurred: 
    12082  
    12083 Traceback (most recent call last): 
    12084 File
    12085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12086 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12087 if not self.draw_new_frame(): 
    12088 File
    12089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12090 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12091 changed = view.check_for_drawing_change() 
    12092 File
    12093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12094 packages/chimerax/core/graphics/view.py", line 252, in
    12095 check_for_drawing_change 
    12096 trig.activate_trigger('graphics update', self) 
    12097 File
    12098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12099 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12100 trigger.activate(data) 
    12101 File
    12102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12103 packages/chimerax/core/triggerset.py", line 190, in activate 
    12104 ret = handler.invoke(data, self._remove_bad_handlers) 
    12105 File
    12106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12107 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12108 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12109 File
    12110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12111 packages/chimerax/core/session.py", line 943, in <lambda> 
    12112 logger.report_exception(preface=preface)) 
    12113 File
    12114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12115 packages/chimerax/core/logger.py", line 421, in report_exception 
    12116 elif probably_chimera1_session(exc_info): 
    12117 File
    12118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12119 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12120 etype, evalue, etraceback = exc_info 
    12121 TypeError: cannot unpack non-iterable NoneType object 
    12122  
    12123 TypeError: cannot unpack non-iterable NoneType object 
    12124  
    12125 File
    12126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12127 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12128 etype, evalue, etraceback = exc_info 
    12129  
    12130 See log for complete Python traceback. 
    12131  
    12132 Traceback (most recent call last): 
    12133 File
    12134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12135 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12136 return self._func(self._name, data) 
    12137 File
    12138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12139 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12140 if v.display: 
    12141 File
    12142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12143 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12144 return self._any_displayed_positions and len(self._positions) > 0 
    12145 TypeError: object of type 'NoneType' has no len() 
    12146  
    12147 During handling of the above exception, another exception occurred: 
    12148  
    12149 Traceback (most recent call last): 
    12150 File
    12151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12152 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12153 if not self.draw_new_frame(): 
    12154 File
    12155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12156 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12157 changed = view.check_for_drawing_change() 
    12158 File
    12159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12160 packages/chimerax/core/graphics/view.py", line 252, in
    12161 check_for_drawing_change 
    12162 trig.activate_trigger('graphics update', self) 
    12163 File
    12164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12165 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12166 trigger.activate(data) 
    12167 File
    12168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12169 packages/chimerax/core/triggerset.py", line 190, in activate 
    12170 ret = handler.invoke(data, self._remove_bad_handlers) 
    12171 File
    12172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12173 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12174 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12175 File
    12176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12177 packages/chimerax/core/session.py", line 943, in <lambda> 
    12178 logger.report_exception(preface=preface)) 
    12179 File
    12180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12181 packages/chimerax/core/logger.py", line 421, in report_exception 
    12182 elif probably_chimera1_session(exc_info): 
    12183 File
    12184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12185 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12186 etype, evalue, etraceback = exc_info 
    12187 TypeError: cannot unpack non-iterable NoneType object 
    12188  
    12189 TypeError: cannot unpack non-iterable NoneType object 
    12190  
    12191 File
    12192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12193 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12194 etype, evalue, etraceback = exc_info 
    12195  
    12196 See log for complete Python traceback. 
    12197  
    12198 Traceback (most recent call last): 
    12199 File
    12200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12201 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12202 return self._func(self._name, data) 
    12203 File
    12204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12205 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12206 if v.display: 
    12207 File
    12208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12209 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12210 return self._any_displayed_positions and len(self._positions) > 0 
    12211 TypeError: object of type 'NoneType' has no len() 
    12212  
    12213 During handling of the above exception, another exception occurred: 
    12214  
    12215 Traceback (most recent call last): 
    12216 File
    12217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12218 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12219 if not self.draw_new_frame(): 
    12220 File
    12221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12222 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12223 changed = view.check_for_drawing_change() 
    12224 File
    12225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12226 packages/chimerax/core/graphics/view.py", line 252, in
    12227 check_for_drawing_change 
    12228 trig.activate_trigger('graphics update', self) 
    12229 File
    12230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12231 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12232 trigger.activate(data) 
    12233 File
    12234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12235 packages/chimerax/core/triggerset.py", line 190, in activate 
    12236 ret = handler.invoke(data, self._remove_bad_handlers) 
    12237 File
    12238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12239 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12240 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12241 File
    12242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12243 packages/chimerax/core/session.py", line 943, in <lambda> 
    12244 logger.report_exception(preface=preface)) 
    12245 File
    12246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12247 packages/chimerax/core/logger.py", line 421, in report_exception 
    12248 elif probably_chimera1_session(exc_info): 
    12249 File
    12250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12251 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12252 etype, evalue, etraceback = exc_info 
    12253 TypeError: cannot unpack non-iterable NoneType object 
    12254  
    12255 TypeError: cannot unpack non-iterable NoneType object 
    12256  
    12257 File
    12258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12259 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12260 etype, evalue, etraceback = exc_info 
    12261  
    12262 See log for complete Python traceback. 
    12263  
    12264 Traceback (most recent call last): 
    12265 File
    12266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12267 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12268 return self._func(self._name, data) 
    12269 File
    12270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12271 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12272 if v.display: 
    12273 File
    12274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12275 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12276 return self._any_displayed_positions and len(self._positions) > 0 
    12277 TypeError: object of type 'NoneType' has no len() 
    12278  
    12279 During handling of the above exception, another exception occurred: 
    12280  
    12281 Traceback (most recent call last): 
    12282 File
    12283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12284 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12285 if not self.draw_new_frame(): 
    12286 File
    12287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12288 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12289 changed = view.check_for_drawing_change() 
    12290 File
    12291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12292 packages/chimerax/core/graphics/view.py", line 252, in
    12293 check_for_drawing_change 
    12294 trig.activate_trigger('graphics update', self) 
    12295 File
    12296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12297 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12298 trigger.activate(data) 
    12299 File
    12300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12301 packages/chimerax/core/triggerset.py", line 190, in activate 
    12302 ret = handler.invoke(data, self._remove_bad_handlers) 
    12303 File
    12304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12305 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12306 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12307 File
    12308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12309 packages/chimerax/core/session.py", line 943, in <lambda> 
    12310 logger.report_exception(preface=preface)) 
    12311 File
    12312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12313 packages/chimerax/core/logger.py", line 421, in report_exception 
    12314 elif probably_chimera1_session(exc_info): 
    12315 File
    12316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12317 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12318 etype, evalue, etraceback = exc_info 
    12319 TypeError: cannot unpack non-iterable NoneType object 
    12320  
    12321 TypeError: cannot unpack non-iterable NoneType object 
    12322  
    12323 File
    12324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12325 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12326 etype, evalue, etraceback = exc_info 
    12327  
    12328 See log for complete Python traceback. 
    12329  
    12330 Traceback (most recent call last): 
    12331 File
    12332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12333 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12334 return self._func(self._name, data) 
    12335 File
    12336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12337 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12338 if v.display: 
    12339 File
    12340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12341 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12342 return self._any_displayed_positions and len(self._positions) > 0 
    12343 TypeError: object of type 'NoneType' has no len() 
    12344  
    12345 During handling of the above exception, another exception occurred: 
    12346  
    12347 Traceback (most recent call last): 
    12348 File
    12349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12350 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12351 if not self.draw_new_frame(): 
    12352 File
    12353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12354 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12355 changed = view.check_for_drawing_change() 
    12356 File
    12357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12358 packages/chimerax/core/graphics/view.py", line 252, in
    12359 check_for_drawing_change 
    12360 trig.activate_trigger('graphics update', self) 
    12361 File
    12362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12363 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12364 trigger.activate(data) 
    12365 File
    12366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12367 packages/chimerax/core/triggerset.py", line 190, in activate 
    12368 ret = handler.invoke(data, self._remove_bad_handlers) 
    12369 File
    12370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12371 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12372 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12373 File
    12374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12375 packages/chimerax/core/session.py", line 943, in <lambda> 
    12376 logger.report_exception(preface=preface)) 
    12377 File
    12378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12379 packages/chimerax/core/logger.py", line 421, in report_exception 
    12380 elif probably_chimera1_session(exc_info): 
    12381 File
    12382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12383 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12384 etype, evalue, etraceback = exc_info 
    12385 TypeError: cannot unpack non-iterable NoneType object 
    12386  
    12387 TypeError: cannot unpack non-iterable NoneType object 
    12388  
    12389 File
    12390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12391 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12392 etype, evalue, etraceback = exc_info 
    12393  
    12394 See log for complete Python traceback. 
    12395  
    12396 Traceback (most recent call last): 
    12397 File
    12398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12399 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12400 return self._func(self._name, data) 
    12401 File
    12402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12403 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12404 if v.display: 
    12405 File
    12406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12407 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12408 return self._any_displayed_positions and len(self._positions) > 0 
    12409 TypeError: object of type 'NoneType' has no len() 
    12410  
    12411 During handling of the above exception, another exception occurred: 
    12412  
    12413 Traceback (most recent call last): 
    12414 File
    12415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12416 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12417 if not self.draw_new_frame(): 
    12418 File
    12419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12420 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12421 changed = view.check_for_drawing_change() 
    12422 File
    12423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12424 packages/chimerax/core/graphics/view.py", line 252, in
    12425 check_for_drawing_change 
    12426 trig.activate_trigger('graphics update', self) 
    12427 File
    12428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12429 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12430 trigger.activate(data) 
    12431 File
    12432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12433 packages/chimerax/core/triggerset.py", line 190, in activate 
    12434 ret = handler.invoke(data, self._remove_bad_handlers) 
    12435 File
    12436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12437 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12438 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12439 File
    12440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12441 packages/chimerax/core/session.py", line 943, in <lambda> 
    12442 logger.report_exception(preface=preface)) 
    12443 File
    12444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12445 packages/chimerax/core/logger.py", line 421, in report_exception 
    12446 elif probably_chimera1_session(exc_info): 
    12447 File
    12448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12449 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12450 etype, evalue, etraceback = exc_info 
    12451 TypeError: cannot unpack non-iterable NoneType object 
    12452  
    12453 TypeError: cannot unpack non-iterable NoneType object 
    12454  
    12455 File
    12456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12457 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12458 etype, evalue, etraceback = exc_info 
    12459  
    12460 See log for complete Python traceback. 
    12461  
    12462 Traceback (most recent call last): 
    12463 File
    12464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12465 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12466 return self._func(self._name, data) 
    12467 File
    12468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12469 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12470 if v.display: 
    12471 File
    12472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12473 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12474 return self._any_displayed_positions and len(self._positions) > 0 
    12475 TypeError: object of type 'NoneType' has no len() 
    12476  
    12477 During handling of the above exception, another exception occurred: 
    12478  
    12479 Traceback (most recent call last): 
    12480 File
    12481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12482 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12483 if not self.draw_new_frame(): 
    12484 File
    12485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12486 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12487 changed = view.check_for_drawing_change() 
    12488 File
    12489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12490 packages/chimerax/core/graphics/view.py", line 252, in
    12491 check_for_drawing_change 
    12492 trig.activate_trigger('graphics update', self) 
    12493 File
    12494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12495 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12496 trigger.activate(data) 
    12497 File
    12498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12499 packages/chimerax/core/triggerset.py", line 190, in activate 
    12500 ret = handler.invoke(data, self._remove_bad_handlers) 
    12501 File
    12502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12503 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12504 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12505 File
    12506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12507 packages/chimerax/core/session.py", line 943, in <lambda> 
    12508 logger.report_exception(preface=preface)) 
    12509 File
    12510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12511 packages/chimerax/core/logger.py", line 421, in report_exception 
    12512 elif probably_chimera1_session(exc_info): 
    12513 File
    12514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12515 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12516 etype, evalue, etraceback = exc_info 
    12517 TypeError: cannot unpack non-iterable NoneType object 
    12518  
    12519 TypeError: cannot unpack non-iterable NoneType object 
    12520  
    12521 File
    12522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12523 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12524 etype, evalue, etraceback = exc_info 
    12525  
    12526 See log for complete Python traceback. 
    12527  
    12528 Traceback (most recent call last): 
    12529 File
    12530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12531 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12532 return self._func(self._name, data) 
    12533 File
    12534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12535 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12536 if v.display: 
    12537 File
    12538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12539 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12540 return self._any_displayed_positions and len(self._positions) > 0 
    12541 TypeError: object of type 'NoneType' has no len() 
    12542  
    12543 During handling of the above exception, another exception occurred: 
    12544  
    12545 Traceback (most recent call last): 
    12546 File
    12547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12548 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12549 if not self.draw_new_frame(): 
    12550 File
    12551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12552 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12553 changed = view.check_for_drawing_change() 
    12554 File
    12555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12556 packages/chimerax/core/graphics/view.py", line 252, in
    12557 check_for_drawing_change 
    12558 trig.activate_trigger('graphics update', self) 
    12559 File
    12560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12561 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12562 trigger.activate(data) 
    12563 File
    12564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12565 packages/chimerax/core/triggerset.py", line 190, in activate 
    12566 ret = handler.invoke(data, self._remove_bad_handlers) 
    12567 File
    12568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12569 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12570 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12571 File
    12572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12573 packages/chimerax/core/session.py", line 943, in <lambda> 
    12574 logger.report_exception(preface=preface)) 
    12575 File
    12576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12577 packages/chimerax/core/logger.py", line 421, in report_exception 
    12578 elif probably_chimera1_session(exc_info): 
    12579 File
    12580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12581 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12582 etype, evalue, etraceback = exc_info 
    12583 TypeError: cannot unpack non-iterable NoneType object 
    12584  
    12585 TypeError: cannot unpack non-iterable NoneType object 
    12586  
    12587 File
    12588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12589 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12590 etype, evalue, etraceback = exc_info 
    12591  
    12592 See log for complete Python traceback. 
    12593  
    12594 Traceback (most recent call last): 
    12595 File
    12596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12597 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12598 return self._func(self._name, data) 
    12599 File
    12600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12601 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12602 if v.display: 
    12603 File
    12604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12605 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12606 return self._any_displayed_positions and len(self._positions) > 0 
    12607 TypeError: object of type 'NoneType' has no len() 
    12608  
    12609 During handling of the above exception, another exception occurred: 
    12610  
    12611 Traceback (most recent call last): 
    12612 File
    12613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12614 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12615 if not self.draw_new_frame(): 
    12616 File
    12617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12618 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12619 changed = view.check_for_drawing_change() 
    12620 File
    12621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12622 packages/chimerax/core/graphics/view.py", line 252, in
    12623 check_for_drawing_change 
    12624 trig.activate_trigger('graphics update', self) 
    12625 File
    12626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12627 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12628 trigger.activate(data) 
    12629 File
    12630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12631 packages/chimerax/core/triggerset.py", line 190, in activate 
    12632 ret = handler.invoke(data, self._remove_bad_handlers) 
    12633 File
    12634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12635 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12636 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12637 File
    12638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12639 packages/chimerax/core/session.py", line 943, in <lambda> 
    12640 logger.report_exception(preface=preface)) 
    12641 File
    12642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12643 packages/chimerax/core/logger.py", line 421, in report_exception 
    12644 elif probably_chimera1_session(exc_info): 
    12645 File
    12646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12647 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12648 etype, evalue, etraceback = exc_info 
    12649 TypeError: cannot unpack non-iterable NoneType object 
    12650  
    12651 TypeError: cannot unpack non-iterable NoneType object 
    12652  
    12653 File
    12654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12655 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12656 etype, evalue, etraceback = exc_info 
    12657  
    12658 See log for complete Python traceback. 
    12659  
    12660 Traceback (most recent call last): 
    12661 File
    12662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12663 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12664 return self._func(self._name, data) 
    12665 File
    12666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12667 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12668 if v.display: 
    12669 File
    12670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12671 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12672 return self._any_displayed_positions and len(self._positions) > 0 
    12673 TypeError: object of type 'NoneType' has no len() 
    12674  
    12675 During handling of the above exception, another exception occurred: 
    12676  
    12677 Traceback (most recent call last): 
    12678 File
    12679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12680 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12681 if not self.draw_new_frame(): 
    12682 File
    12683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12684 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12685 changed = view.check_for_drawing_change() 
    12686 File
    12687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12688 packages/chimerax/core/graphics/view.py", line 252, in
    12689 check_for_drawing_change 
    12690 trig.activate_trigger('graphics update', self) 
    12691 File
    12692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12693 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12694 trigger.activate(data) 
    12695 File
    12696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12697 packages/chimerax/core/triggerset.py", line 190, in activate 
    12698 ret = handler.invoke(data, self._remove_bad_handlers) 
    12699 File
    12700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12701 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12702 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12703 File
    12704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12705 packages/chimerax/core/session.py", line 943, in <lambda> 
    12706 logger.report_exception(preface=preface)) 
    12707 File
    12708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12709 packages/chimerax/core/logger.py", line 421, in report_exception 
    12710 elif probably_chimera1_session(exc_info): 
    12711 File
    12712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12713 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12714 etype, evalue, etraceback = exc_info 
    12715 TypeError: cannot unpack non-iterable NoneType object 
    12716  
    12717 TypeError: cannot unpack non-iterable NoneType object 
    12718  
    12719 File
    12720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12721 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12722 etype, evalue, etraceback = exc_info 
    12723  
    12724 See log for complete Python traceback. 
    12725  
    12726 Traceback (most recent call last): 
    12727 File
    12728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12729 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12730 return self._func(self._name, data) 
    12731 File
    12732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12733 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12734 if v.display: 
    12735 File
    12736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12737 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12738 return self._any_displayed_positions and len(self._positions) > 0 
    12739 TypeError: object of type 'NoneType' has no len() 
    12740  
    12741 During handling of the above exception, another exception occurred: 
    12742  
    12743 Traceback (most recent call last): 
    12744 File
    12745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12746 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12747 if not self.draw_new_frame(): 
    12748 File
    12749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12750 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12751 changed = view.check_for_drawing_change() 
    12752 File
    12753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12754 packages/chimerax/core/graphics/view.py", line 252, in
    12755 check_for_drawing_change 
    12756 trig.activate_trigger('graphics update', self) 
    12757 File
    12758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12759 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12760 trigger.activate(data) 
    12761 File
    12762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12763 packages/chimerax/core/triggerset.py", line 190, in activate 
    12764 ret = handler.invoke(data, self._remove_bad_handlers) 
    12765 File
    12766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12767 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12768 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12769 File
    12770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12771 packages/chimerax/core/session.py", line 943, in <lambda> 
    12772 logger.report_exception(preface=preface)) 
    12773 File
    12774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12775 packages/chimerax/core/logger.py", line 421, in report_exception 
    12776 elif probably_chimera1_session(exc_info): 
    12777 File
    12778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12779 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12780 etype, evalue, etraceback = exc_info 
    12781 TypeError: cannot unpack non-iterable NoneType object 
    12782  
    12783 TypeError: cannot unpack non-iterable NoneType object 
    12784  
    12785 File
    12786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12787 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12788 etype, evalue, etraceback = exc_info 
    12789  
    12790 See log for complete Python traceback. 
    12791  
    12792 Traceback (most recent call last): 
    12793 File
    12794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12795 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12796 return self._func(self._name, data) 
    12797 File
    12798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12799 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12800 if v.display: 
    12801 File
    12802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12803 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12804 return self._any_displayed_positions and len(self._positions) > 0 
    12805 TypeError: object of type 'NoneType' has no len() 
    12806  
    12807 During handling of the above exception, another exception occurred: 
    12808  
    12809 Traceback (most recent call last): 
    12810 File
    12811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12812 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12813 if not self.draw_new_frame(): 
    12814 File
    12815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12816 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12817 changed = view.check_for_drawing_change() 
    12818 File
    12819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12820 packages/chimerax/core/graphics/view.py", line 252, in
    12821 check_for_drawing_change 
    12822 trig.activate_trigger('graphics update', self) 
    12823 File
    12824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12825 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12826 trigger.activate(data) 
    12827 File
    12828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12829 packages/chimerax/core/triggerset.py", line 190, in activate 
    12830 ret = handler.invoke(data, self._remove_bad_handlers) 
    12831 File
    12832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12833 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12834 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12835 File
    12836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12837 packages/chimerax/core/session.py", line 943, in <lambda> 
    12838 logger.report_exception(preface=preface)) 
    12839 File
    12840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12841 packages/chimerax/core/logger.py", line 421, in report_exception 
    12842 elif probably_chimera1_session(exc_info): 
    12843 File
    12844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12845 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12846 etype, evalue, etraceback = exc_info 
    12847 TypeError: cannot unpack non-iterable NoneType object 
    12848  
    12849 TypeError: cannot unpack non-iterable NoneType object 
    12850  
    12851 File
    12852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12853 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12854 etype, evalue, etraceback = exc_info 
    12855  
    12856 See log for complete Python traceback. 
    12857  
    12858 Traceback (most recent call last): 
    12859 File
    12860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12861 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12862 return self._func(self._name, data) 
    12863 File
    12864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12865 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12866 if v.display: 
    12867 File
    12868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12869 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12870 return self._any_displayed_positions and len(self._positions) > 0 
    12871 TypeError: object of type 'NoneType' has no len() 
    12872  
    12873 During handling of the above exception, another exception occurred: 
    12874  
    12875 Traceback (most recent call last): 
    12876 File
    12877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12878 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12879 if not self.draw_new_frame(): 
    12880 File
    12881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12882 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12883 changed = view.check_for_drawing_change() 
    12884 File
    12885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12886 packages/chimerax/core/graphics/view.py", line 252, in
    12887 check_for_drawing_change 
    12888 trig.activate_trigger('graphics update', self) 
    12889 File
    12890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12891 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12892 trigger.activate(data) 
    12893 File
    12894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12895 packages/chimerax/core/triggerset.py", line 190, in activate 
    12896 ret = handler.invoke(data, self._remove_bad_handlers) 
    12897 File
    12898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12899 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12900 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12901 File
    12902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12903 packages/chimerax/core/session.py", line 943, in <lambda> 
    12904 logger.report_exception(preface=preface)) 
    12905 File
    12906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12907 packages/chimerax/core/logger.py", line 421, in report_exception 
    12908 elif probably_chimera1_session(exc_info): 
    12909 File
    12910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12911 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12912 etype, evalue, etraceback = exc_info 
    12913 TypeError: cannot unpack non-iterable NoneType object 
    12914  
    12915 TypeError: cannot unpack non-iterable NoneType object 
    12916  
    12917 File
    12918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12919 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12920 etype, evalue, etraceback = exc_info 
    12921  
    12922 See log for complete Python traceback. 
    12923  
    12924 Traceback (most recent call last): 
    12925 File
    12926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12927 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12928 return self._func(self._name, data) 
    12929 File
    12930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12931 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12932 if v.display: 
    12933 File
    12934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12935 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12936 return self._any_displayed_positions and len(self._positions) > 0 
    12937 TypeError: object of type 'NoneType' has no len() 
    12938  
    12939 During handling of the above exception, another exception occurred: 
    12940  
    12941 Traceback (most recent call last): 
    12942 File
    12943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12944 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12945 if not self.draw_new_frame(): 
    12946 File
    12947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12948 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12949 changed = view.check_for_drawing_change() 
    12950 File
    12951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12952 packages/chimerax/core/graphics/view.py", line 252, in
    12953 check_for_drawing_change 
    12954 trig.activate_trigger('graphics update', self) 
    12955 File
    12956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12957 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12958 trigger.activate(data) 
    12959 File
    12960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12961 packages/chimerax/core/triggerset.py", line 190, in activate 
    12962 ret = handler.invoke(data, self._remove_bad_handlers) 
    12963 File
    12964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12965 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12966 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12967 File
    12968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12969 packages/chimerax/core/session.py", line 943, in <lambda> 
    12970 logger.report_exception(preface=preface)) 
    12971 File
    12972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12973 packages/chimerax/core/logger.py", line 421, in report_exception 
    12974 elif probably_chimera1_session(exc_info): 
    12975 File
    12976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12977 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12978 etype, evalue, etraceback = exc_info 
    12979 TypeError: cannot unpack non-iterable NoneType object 
    12980  
    12981 TypeError: cannot unpack non-iterable NoneType object 
    12982  
    12983 File
    12984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12985 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12986 etype, evalue, etraceback = exc_info 
    12987  
    12988 See log for complete Python traceback. 
    12989  
    12990 Traceback (most recent call last): 
    12991 File
    12992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12993 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12994 return self._func(self._name, data) 
    12995 File
    12996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12997 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12998 if v.display: 
    12999 File
    13000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13001 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13002 return self._any_displayed_positions and len(self._positions) > 0 
    13003 TypeError: object of type 'NoneType' has no len() 
    13004  
    13005 During handling of the above exception, another exception occurred: 
    13006  
    13007 Traceback (most recent call last): 
    13008 File
    13009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13010 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13011 if not self.draw_new_frame(): 
    13012 File
    13013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13014 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13015 changed = view.check_for_drawing_change() 
    13016 File
    13017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13018 packages/chimerax/core/graphics/view.py", line 252, in
    13019 check_for_drawing_change 
    13020 trig.activate_trigger('graphics update', self) 
    13021 File
    13022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13023 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13024 trigger.activate(data) 
    13025 File
    13026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13027 packages/chimerax/core/triggerset.py", line 190, in activate 
    13028 ret = handler.invoke(data, self._remove_bad_handlers) 
    13029 File
    13030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13031 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13032 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13033 File
    13034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13035 packages/chimerax/core/session.py", line 943, in <lambda> 
    13036 logger.report_exception(preface=preface)) 
    13037 File
    13038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13039 packages/chimerax/core/logger.py", line 421, in report_exception 
    13040 elif probably_chimera1_session(exc_info): 
    13041 File
    13042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13043 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13044 etype, evalue, etraceback = exc_info 
    13045 TypeError: cannot unpack non-iterable NoneType object 
    13046  
    13047 TypeError: cannot unpack non-iterable NoneType object 
    13048  
    13049 File
    13050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13051 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13052 etype, evalue, etraceback = exc_info 
    13053  
    13054 See log for complete Python traceback. 
    13055  
    13056 Traceback (most recent call last): 
    13057 File
    13058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13059 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13060 return self._func(self._name, data) 
    13061 File
    13062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13063 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13064 if v.display: 
    13065 File
    13066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13067 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13068 return self._any_displayed_positions and len(self._positions) > 0 
    13069 TypeError: object of type 'NoneType' has no len() 
    13070  
    13071 During handling of the above exception, another exception occurred: 
    13072  
    13073 Traceback (most recent call last): 
    13074 File
    13075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13076 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13077 if not self.draw_new_frame(): 
    13078 File
    13079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13080 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13081 changed = view.check_for_drawing_change() 
    13082 File
    13083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13084 packages/chimerax/core/graphics/view.py", line 252, in
    13085 check_for_drawing_change 
    13086 trig.activate_trigger('graphics update', self) 
    13087 File
    13088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13089 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13090 trigger.activate(data) 
    13091 File
    13092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13093 packages/chimerax/core/triggerset.py", line 190, in activate 
    13094 ret = handler.invoke(data, self._remove_bad_handlers) 
    13095 File
    13096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13097 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13098 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13099 File
    13100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13101 packages/chimerax/core/session.py", line 943, in <lambda> 
    13102 logger.report_exception(preface=preface)) 
    13103 File
    13104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13105 packages/chimerax/core/logger.py", line 421, in report_exception 
    13106 elif probably_chimera1_session(exc_info): 
    13107 File
    13108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13109 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13110 etype, evalue, etraceback = exc_info 
    13111 TypeError: cannot unpack non-iterable NoneType object 
    13112  
    13113 TypeError: cannot unpack non-iterable NoneType object 
    13114  
    13115 File
    13116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13117 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13118 etype, evalue, etraceback = exc_info 
    13119  
    13120 See log for complete Python traceback. 
    13121  
    13122 Traceback (most recent call last): 
    13123 File
    13124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13125 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13126 return self._func(self._name, data) 
    13127 File
    13128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13129 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13130 if v.display: 
    13131 File
    13132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13133 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13134 return self._any_displayed_positions and len(self._positions) > 0 
    13135 TypeError: object of type 'NoneType' has no len() 
    13136  
    13137 During handling of the above exception, another exception occurred: 
    13138  
    13139 Traceback (most recent call last): 
    13140 File
    13141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13142 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13143 if not self.draw_new_frame(): 
    13144 File
    13145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13146 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13147 changed = view.check_for_drawing_change() 
    13148 File
    13149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13150 packages/chimerax/core/graphics/view.py", line 252, in
    13151 check_for_drawing_change 
    13152 trig.activate_trigger('graphics update', self) 
    13153 File
    13154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13155 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13156 trigger.activate(data) 
    13157 File
    13158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13159 packages/chimerax/core/triggerset.py", line 190, in activate 
    13160 ret = handler.invoke(data, self._remove_bad_handlers) 
    13161 File
    13162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13163 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13164 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13165 File
    13166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13167 packages/chimerax/core/session.py", line 943, in <lambda> 
    13168 logger.report_exception(preface=preface)) 
    13169 File
    13170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13171 packages/chimerax/core/logger.py", line 421, in report_exception 
    13172 elif probably_chimera1_session(exc_info): 
    13173 File
    13174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13175 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13176 etype, evalue, etraceback = exc_info 
    13177 TypeError: cannot unpack non-iterable NoneType object 
    13178  
    13179 TypeError: cannot unpack non-iterable NoneType object 
    13180  
    13181 File
    13182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13183 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13184 etype, evalue, etraceback = exc_info 
    13185  
    13186 See log for complete Python traceback. 
    13187  
    13188 Traceback (most recent call last): 
    13189 File
    13190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13191 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13192 return self._func(self._name, data) 
    13193 File
    13194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13195 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13196 if v.display: 
    13197 File
    13198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13199 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13200 return self._any_displayed_positions and len(self._positions) > 0 
    13201 TypeError: object of type 'NoneType' has no len() 
    13202  
    13203 During handling of the above exception, another exception occurred: 
    13204  
    13205 Traceback (most recent call last): 
    13206 File
    13207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13208 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13209 if not self.draw_new_frame(): 
    13210 File
    13211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13212 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13213 changed = view.check_for_drawing_change() 
    13214 File
    13215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13216 packages/chimerax/core/graphics/view.py", line 252, in
    13217 check_for_drawing_change 
    13218 trig.activate_trigger('graphics update', self) 
    13219 File
    13220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13221 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13222 trigger.activate(data) 
    13223 File
    13224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13225 packages/chimerax/core/triggerset.py", line 190, in activate 
    13226 ret = handler.invoke(data, self._remove_bad_handlers) 
    13227 File
    13228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13229 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13230 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13231 File
    13232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13233 packages/chimerax/core/session.py", line 943, in <lambda> 
    13234 logger.report_exception(preface=preface)) 
    13235 File
    13236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13237 packages/chimerax/core/logger.py", line 421, in report_exception 
    13238 elif probably_chimera1_session(exc_info): 
    13239 File
    13240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13241 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13242 etype, evalue, etraceback = exc_info 
    13243 TypeError: cannot unpack non-iterable NoneType object 
    13244  
    13245 TypeError: cannot unpack non-iterable NoneType object 
    13246  
    13247 File
    13248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13249 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13250 etype, evalue, etraceback = exc_info 
    13251  
    13252 See log for complete Python traceback. 
    13253  
    13254 Traceback (most recent call last): 
    13255 File
    13256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13257 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13258 return self._func(self._name, data) 
    13259 File
    13260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13261 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13262 if v.display: 
    13263 File
    13264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13265 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13266 return self._any_displayed_positions and len(self._positions) > 0 
    13267 TypeError: object of type 'NoneType' has no len() 
    13268  
    13269 During handling of the above exception, another exception occurred: 
    13270  
    13271 Traceback (most recent call last): 
    13272 File
    13273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13274 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13275 if not self.draw_new_frame(): 
    13276 File
    13277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13278 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13279 changed = view.check_for_drawing_change() 
    13280 File
    13281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13282 packages/chimerax/core/graphics/view.py", line 252, in
    13283 check_for_drawing_change 
    13284 trig.activate_trigger('graphics update', self) 
    13285 File
    13286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13287 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13288 trigger.activate(data) 
    13289 File
    13290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13291 packages/chimerax/core/triggerset.py", line 190, in activate 
    13292 ret = handler.invoke(data, self._remove_bad_handlers) 
    13293 File
    13294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13295 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13296 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13297 File
    13298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13299 packages/chimerax/core/session.py", line 943, in <lambda> 
    13300 logger.report_exception(preface=preface)) 
    13301 File
    13302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13303 packages/chimerax/core/logger.py", line 421, in report_exception 
    13304 elif probably_chimera1_session(exc_info): 
    13305 File
    13306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13307 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13308 etype, evalue, etraceback = exc_info 
    13309 TypeError: cannot unpack non-iterable NoneType object 
    13310  
    13311 TypeError: cannot unpack non-iterable NoneType object 
    13312  
    13313 File
    13314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13315 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13316 etype, evalue, etraceback = exc_info 
    13317  
    13318 See log for complete Python traceback. 
    13319  
    13320 Traceback (most recent call last): 
    13321 File
    13322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13323 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13324 return self._func(self._name, data) 
    13325 File
    13326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13327 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13328 if v.display: 
    13329 File
    13330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13331 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13332 return self._any_displayed_positions and len(self._positions) > 0 
    13333 TypeError: object of type 'NoneType' has no len() 
    13334  
    13335 During handling of the above exception, another exception occurred: 
    13336  
    13337 Traceback (most recent call last): 
    13338 File
    13339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13340 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13341 if not self.draw_new_frame(): 
    13342 File
    13343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13344 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13345 changed = view.check_for_drawing_change() 
    13346 File
    13347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13348 packages/chimerax/core/graphics/view.py", line 252, in
    13349 check_for_drawing_change 
    13350 trig.activate_trigger('graphics update', self) 
    13351 File
    13352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13353 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13354 trigger.activate(data) 
    13355 File
    13356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13357 packages/chimerax/core/triggerset.py", line 190, in activate 
    13358 ret = handler.invoke(data, self._remove_bad_handlers) 
    13359 File
    13360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13361 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13362 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13363 File
    13364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13365 packages/chimerax/core/session.py", line 943, in <lambda> 
    13366 logger.report_exception(preface=preface)) 
    13367 File
    13368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13369 packages/chimerax/core/logger.py", line 421, in report_exception 
    13370 elif probably_chimera1_session(exc_info): 
    13371 File
    13372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13373 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13374 etype, evalue, etraceback = exc_info 
    13375 TypeError: cannot unpack non-iterable NoneType object 
    13376  
    13377 TypeError: cannot unpack non-iterable NoneType object 
    13378  
    13379 File
    13380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13381 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13382 etype, evalue, etraceback = exc_info 
    13383  
    13384 See log for complete Python traceback. 
    13385  
    13386 Traceback (most recent call last): 
    13387 File
    13388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13389 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13390 return self._func(self._name, data) 
    13391 File
    13392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13393 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13394 if v.display: 
    13395 File
    13396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13397 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13398 return self._any_displayed_positions and len(self._positions) > 0 
    13399 TypeError: object of type 'NoneType' has no len() 
    13400  
    13401 During handling of the above exception, another exception occurred: 
    13402  
    13403 Traceback (most recent call last): 
    13404 File
    13405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13406 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13407 if not self.draw_new_frame(): 
    13408 File
    13409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13410 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13411 changed = view.check_for_drawing_change() 
    13412 File
    13413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13414 packages/chimerax/core/graphics/view.py", line 252, in
    13415 check_for_drawing_change 
    13416 trig.activate_trigger('graphics update', self) 
    13417 File
    13418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13419 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13420 trigger.activate(data) 
    13421 File
    13422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13423 packages/chimerax/core/triggerset.py", line 190, in activate 
    13424 ret = handler.invoke(data, self._remove_bad_handlers) 
    13425 File
    13426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13427 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13428 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13429 File
    13430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13431 packages/chimerax/core/session.py", line 943, in <lambda> 
    13432 logger.report_exception(preface=preface)) 
    13433 File
    13434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13435 packages/chimerax/core/logger.py", line 421, in report_exception 
    13436 elif probably_chimera1_session(exc_info): 
    13437 File
    13438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13439 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13440 etype, evalue, etraceback = exc_info 
    13441 TypeError: cannot unpack non-iterable NoneType object 
    13442  
    13443 TypeError: cannot unpack non-iterable NoneType object 
    13444  
    13445 File
    13446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13447 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13448 etype, evalue, etraceback = exc_info 
    13449  
    13450 See log for complete Python traceback. 
    13451  
    13452 Traceback (most recent call last): 
    13453 File
    13454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13455 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13456 return self._func(self._name, data) 
    13457 File
    13458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13459 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13460 if v.display: 
    13461 File
    13462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13463 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13464 return self._any_displayed_positions and len(self._positions) > 0 
    13465 TypeError: object of type 'NoneType' has no len() 
    13466  
    13467 During handling of the above exception, another exception occurred: 
    13468  
    13469 Traceback (most recent call last): 
    13470 File
    13471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13472 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13473 if not self.draw_new_frame(): 
    13474 File
    13475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13476 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13477 changed = view.check_for_drawing_change() 
    13478 File
    13479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13480 packages/chimerax/core/graphics/view.py", line 252, in
    13481 check_for_drawing_change 
    13482 trig.activate_trigger('graphics update', self) 
    13483 File
    13484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13485 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13486 trigger.activate(data) 
    13487 File
    13488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13489 packages/chimerax/core/triggerset.py", line 190, in activate 
    13490 ret = handler.invoke(data, self._remove_bad_handlers) 
    13491 File
    13492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13493 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13494 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13495 File
    13496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13497 packages/chimerax/core/session.py", line 943, in <lambda> 
    13498 logger.report_exception(preface=preface)) 
    13499 File
    13500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13501 packages/chimerax/core/logger.py", line 421, in report_exception 
    13502 elif probably_chimera1_session(exc_info): 
    13503 File
    13504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13505 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13506 etype, evalue, etraceback = exc_info 
    13507 TypeError: cannot unpack non-iterable NoneType object 
    13508  
    13509 TypeError: cannot unpack non-iterable NoneType object 
    13510  
    13511 File
    13512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13513 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13514 etype, evalue, etraceback = exc_info 
    13515  
    13516 See log for complete Python traceback. 
    13517  
    13518 Traceback (most recent call last): 
    13519 File
    13520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13521 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13522 return self._func(self._name, data) 
    13523 File
    13524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13525 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13526 if v.display: 
    13527 File
    13528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13529 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13530 return self._any_displayed_positions and len(self._positions) > 0 
    13531 TypeError: object of type 'NoneType' has no len() 
    13532  
    13533 During handling of the above exception, another exception occurred: 
    13534  
    13535 Traceback (most recent call last): 
    13536 File
    13537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13538 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13539 if not self.draw_new_frame(): 
    13540 File
    13541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13542 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13543 changed = view.check_for_drawing_change() 
    13544 File
    13545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13546 packages/chimerax/core/graphics/view.py", line 252, in
    13547 check_for_drawing_change 
    13548 trig.activate_trigger('graphics update', self) 
    13549 File
    13550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13551 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13552 trigger.activate(data) 
    13553 File
    13554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13555 packages/chimerax/core/triggerset.py", line 190, in activate 
    13556 ret = handler.invoke(data, self._remove_bad_handlers) 
    13557 File
    13558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13559 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13560 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13561 File
    13562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13563 packages/chimerax/core/session.py", line 943, in <lambda> 
    13564 logger.report_exception(preface=preface)) 
    13565 File
    13566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13567 packages/chimerax/core/logger.py", line 421, in report_exception 
    13568 elif probably_chimera1_session(exc_info): 
    13569 File
    13570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13571 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13572 etype, evalue, etraceback = exc_info 
    13573 TypeError: cannot unpack non-iterable NoneType object 
    13574  
    13575 TypeError: cannot unpack non-iterable NoneType object 
    13576  
    13577 File
    13578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13579 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13580 etype, evalue, etraceback = exc_info 
    13581  
    13582 See log for complete Python traceback. 
    13583  
    13584 Traceback (most recent call last): 
    13585 File
    13586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13587 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13588 return self._func(self._name, data) 
    13589 File
    13590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13591 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13592 if v.display: 
    13593 File
    13594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13595 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13596 return self._any_displayed_positions and len(self._positions) > 0 
    13597 TypeError: object of type 'NoneType' has no len() 
    13598  
    13599 During handling of the above exception, another exception occurred: 
    13600  
    13601 Traceback (most recent call last): 
    13602 File
    13603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13604 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13605 if not self.draw_new_frame(): 
    13606 File
    13607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13608 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13609 changed = view.check_for_drawing_change() 
    13610 File
    13611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13612 packages/chimerax/core/graphics/view.py", line 252, in
    13613 check_for_drawing_change 
    13614 trig.activate_trigger('graphics update', self) 
    13615 File
    13616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13617 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13618 trigger.activate(data) 
    13619 File
    13620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13621 packages/chimerax/core/triggerset.py", line 190, in activate 
    13622 ret = handler.invoke(data, self._remove_bad_handlers) 
    13623 File
    13624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13625 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13626 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13627 File
    13628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13629 packages/chimerax/core/session.py", line 943, in <lambda> 
    13630 logger.report_exception(preface=preface)) 
    13631 File
    13632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13633 packages/chimerax/core/logger.py", line 421, in report_exception 
    13634 elif probably_chimera1_session(exc_info): 
    13635 File
    13636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13637 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13638 etype, evalue, etraceback = exc_info 
    13639 TypeError: cannot unpack non-iterable NoneType object 
    13640  
    13641 TypeError: cannot unpack non-iterable NoneType object 
    13642  
    13643 File
    13644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13645 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13646 etype, evalue, etraceback = exc_info 
    13647  
    13648 See log for complete Python traceback. 
    13649  
    13650 Traceback (most recent call last): 
    13651 File
    13652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13653 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13654 return self._func(self._name, data) 
    13655 File
    13656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13657 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13658 if v.display: 
    13659 File
    13660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13661 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13662 return self._any_displayed_positions and len(self._positions) > 0 
    13663 TypeError: object of type 'NoneType' has no len() 
    13664  
    13665 During handling of the above exception, another exception occurred: 
    13666  
    13667 Traceback (most recent call last): 
    13668 File
    13669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13670 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13671 if not self.draw_new_frame(): 
    13672 File
    13673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13674 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13675 changed = view.check_for_drawing_change() 
    13676 File
    13677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13678 packages/chimerax/core/graphics/view.py", line 252, in
    13679 check_for_drawing_change 
    13680 trig.activate_trigger('graphics update', self) 
    13681 File
    13682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13683 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13684 trigger.activate(data) 
    13685 File
    13686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13687 packages/chimerax/core/triggerset.py", line 190, in activate 
    13688 ret = handler.invoke(data, self._remove_bad_handlers) 
    13689 File
    13690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13691 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13692 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13693 File
    13694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13695 packages/chimerax/core/session.py", line 943, in <lambda> 
    13696 logger.report_exception(preface=preface)) 
    13697 File
    13698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13699 packages/chimerax/core/logger.py", line 421, in report_exception 
    13700 elif probably_chimera1_session(exc_info): 
    13701 File
    13702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13703 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13704 etype, evalue, etraceback = exc_info 
    13705 TypeError: cannot unpack non-iterable NoneType object 
    13706  
    13707 TypeError: cannot unpack non-iterable NoneType object 
    13708  
    13709 File
    13710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13711 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13712 etype, evalue, etraceback = exc_info 
    13713  
    13714 See log for complete Python traceback. 
    13715  
    13716 Traceback (most recent call last): 
    13717 File
    13718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13719 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13720 return self._func(self._name, data) 
    13721 File
    13722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13723 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13724 if v.display: 
    13725 File
    13726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13727 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13728 return self._any_displayed_positions and len(self._positions) > 0 
    13729 TypeError: object of type 'NoneType' has no len() 
    13730  
    13731 During handling of the above exception, another exception occurred: 
    13732  
    13733 Traceback (most recent call last): 
    13734 File
    13735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13736 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13737 if not self.draw_new_frame(): 
    13738 File
    13739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13740 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13741 changed = view.check_for_drawing_change() 
    13742 File
    13743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13744 packages/chimerax/core/graphics/view.py", line 252, in
    13745 check_for_drawing_change 
    13746 trig.activate_trigger('graphics update', self) 
    13747 File
    13748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13749 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13750 trigger.activate(data) 
    13751 File
    13752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13753 packages/chimerax/core/triggerset.py", line 190, in activate 
    13754 ret = handler.invoke(data, self._remove_bad_handlers) 
    13755 File
    13756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13757 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13758 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13759 File
    13760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13761 packages/chimerax/core/session.py", line 943, in <lambda> 
    13762 logger.report_exception(preface=preface)) 
    13763 File
    13764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13765 packages/chimerax/core/logger.py", line 421, in report_exception 
    13766 elif probably_chimera1_session(exc_info): 
    13767 File
    13768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13769 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13770 etype, evalue, etraceback = exc_info 
    13771 TypeError: cannot unpack non-iterable NoneType object 
    13772  
    13773 TypeError: cannot unpack non-iterable NoneType object 
    13774  
    13775 File
    13776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13777 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13778 etype, evalue, etraceback = exc_info 
    13779  
    13780 See log for complete Python traceback. 
    13781  
    13782 Traceback (most recent call last): 
    13783 File
    13784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13785 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13786 return self._func(self._name, data) 
    13787 File
    13788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13789 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13790 if v.display: 
    13791 File
    13792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13793 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13794 return self._any_displayed_positions and len(self._positions) > 0 
    13795 TypeError: object of type 'NoneType' has no len() 
    13796  
    13797 During handling of the above exception, another exception occurred: 
    13798  
    13799 Traceback (most recent call last): 
    13800 File
    13801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13802 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13803 if not self.draw_new_frame(): 
    13804 File
    13805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13806 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13807 changed = view.check_for_drawing_change() 
    13808 File
    13809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13810 packages/chimerax/core/graphics/view.py", line 252, in
    13811 check_for_drawing_change 
    13812 trig.activate_trigger('graphics update', self) 
    13813 File
    13814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13815 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13816 trigger.activate(data) 
    13817 File
    13818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13819 packages/chimerax/core/triggerset.py", line 190, in activate 
    13820 ret = handler.invoke(data, self._remove_bad_handlers) 
    13821 File
    13822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13823 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13824 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13825 File
    13826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13827 packages/chimerax/core/session.py", line 943, in <lambda> 
    13828 logger.report_exception(preface=preface)) 
    13829 File
    13830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13831 packages/chimerax/core/logger.py", line 421, in report_exception 
    13832 elif probably_chimera1_session(exc_info): 
    13833 File
    13834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13835 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13836 etype, evalue, etraceback = exc_info 
    13837 TypeError: cannot unpack non-iterable NoneType object 
    13838  
    13839 TypeError: cannot unpack non-iterable NoneType object 
    13840  
    13841 File
    13842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13843 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13844 etype, evalue, etraceback = exc_info 
    13845  
    13846 See log for complete Python traceback. 
    13847  
    13848 Traceback (most recent call last): 
    13849 File
    13850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13851 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13852 return self._func(self._name, data) 
    13853 File
    13854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13855 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13856 if v.display: 
    13857 File
    13858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13859 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13860 return self._any_displayed_positions and len(self._positions) > 0 
    13861 TypeError: object of type 'NoneType' has no len() 
    13862  
    13863 During handling of the above exception, another exception occurred: 
    13864  
    13865 Traceback (most recent call last): 
    13866 File
    13867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13868 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13869 if not self.draw_new_frame(): 
    13870 File
    13871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13872 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13873 changed = view.check_for_drawing_change() 
    13874 File
    13875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13876 packages/chimerax/core/graphics/view.py", line 252, in
    13877 check_for_drawing_change 
    13878 trig.activate_trigger('graphics update', self) 
    13879 File
    13880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13881 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13882 trigger.activate(data) 
    13883 File
    13884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13885 packages/chimerax/core/triggerset.py", line 190, in activate 
    13886 ret = handler.invoke(data, self._remove_bad_handlers) 
    13887 File
    13888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13889 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13890 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13891 File
    13892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13893 packages/chimerax/core/session.py", line 943, in <lambda> 
    13894 logger.report_exception(preface=preface)) 
    13895 File
    13896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13897 packages/chimerax/core/logger.py", line 421, in report_exception 
    13898 elif probably_chimera1_session(exc_info): 
    13899 File
    13900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13901 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13902 etype, evalue, etraceback = exc_info 
    13903 TypeError: cannot unpack non-iterable NoneType object 
    13904  
    13905 TypeError: cannot unpack non-iterable NoneType object 
    13906  
    13907 File
    13908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13909 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13910 etype, evalue, etraceback = exc_info 
    13911  
    13912 See log for complete Python traceback. 
    13913  
    13914 Traceback (most recent call last): 
    13915 File
    13916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13917 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13918 return self._func(self._name, data) 
    13919 File
    13920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13921 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13922 if v.display: 
    13923 File
    13924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13925 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13926 return self._any_displayed_positions and len(self._positions) > 0 
    13927 TypeError: object of type 'NoneType' has no len() 
    13928  
    13929 During handling of the above exception, another exception occurred: 
    13930  
    13931 Traceback (most recent call last): 
    13932 File
    13933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13934 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13935 if not self.draw_new_frame(): 
    13936 File
    13937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13938 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13939 changed = view.check_for_drawing_change() 
    13940 File
    13941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13942 packages/chimerax/core/graphics/view.py", line 252, in
    13943 check_for_drawing_change 
    13944 trig.activate_trigger('graphics update', self) 
    13945 File
    13946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13947 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13948 trigger.activate(data) 
    13949 File
    13950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13951 packages/chimerax/core/triggerset.py", line 190, in activate 
    13952 ret = handler.invoke(data, self._remove_bad_handlers) 
    13953 File
    13954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13955 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13956 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13957 File
    13958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13959 packages/chimerax/core/session.py", line 943, in <lambda> 
    13960 logger.report_exception(preface=preface)) 
    13961 File
    13962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13963 packages/chimerax/core/logger.py", line 421, in report_exception 
    13964 elif probably_chimera1_session(exc_info): 
    13965 File
    13966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13967 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13968 etype, evalue, etraceback = exc_info 
    13969 TypeError: cannot unpack non-iterable NoneType object 
    13970  
    13971 TypeError: cannot unpack non-iterable NoneType object 
    13972  
    13973 File
    13974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13975 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13976 etype, evalue, etraceback = exc_info 
    13977  
    13978 See log for complete Python traceback. 
    13979  
    13980 Traceback (most recent call last): 
    13981 File
    13982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13983 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13984 return self._func(self._name, data) 
    13985 File
    13986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13987 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13988 if v.display: 
    13989 File
    13990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13991 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13992 return self._any_displayed_positions and len(self._positions) > 0 
    13993 TypeError: object of type 'NoneType' has no len() 
    13994  
    13995 During handling of the above exception, another exception occurred: 
    13996  
    13997 Traceback (most recent call last): 
    13998 File
    13999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14000 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14001 if not self.draw_new_frame(): 
    14002 File
    14003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14004 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14005 changed = view.check_for_drawing_change() 
    14006 File
    14007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14008 packages/chimerax/core/graphics/view.py", line 252, in
    14009 check_for_drawing_change 
    14010 trig.activate_trigger('graphics update', self) 
    14011 File
    14012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14013 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14014 trigger.activate(data) 
    14015 File
    14016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14017 packages/chimerax/core/triggerset.py", line 190, in activate 
    14018 ret = handler.invoke(data, self._remove_bad_handlers) 
    14019 File
    14020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14021 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14022 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14023 File
    14024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14025 packages/chimerax/core/session.py", line 943, in <lambda> 
    14026 logger.report_exception(preface=preface)) 
    14027 File
    14028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14029 packages/chimerax/core/logger.py", line 421, in report_exception 
    14030 elif probably_chimera1_session(exc_info): 
    14031 File
    14032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14033 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14034 etype, evalue, etraceback = exc_info 
    14035 TypeError: cannot unpack non-iterable NoneType object 
    14036  
    14037 TypeError: cannot unpack non-iterable NoneType object 
    14038  
    14039 File
    14040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14041 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14042 etype, evalue, etraceback = exc_info 
    14043  
    14044 See log for complete Python traceback. 
    14045  
    14046 Traceback (most recent call last): 
    14047 File
    14048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14049 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14050 return self._func(self._name, data) 
    14051 File
    14052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14053 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14054 if v.display: 
    14055 File
    14056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14057 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14058 return self._any_displayed_positions and len(self._positions) > 0 
    14059 TypeError: object of type 'NoneType' has no len() 
    14060  
    14061 During handling of the above exception, another exception occurred: 
    14062  
    14063 Traceback (most recent call last): 
    14064 File
    14065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14066 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14067 if not self.draw_new_frame(): 
    14068 File
    14069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14070 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14071 changed = view.check_for_drawing_change() 
    14072 File
    14073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14074 packages/chimerax/core/graphics/view.py", line 252, in
    14075 check_for_drawing_change 
    14076 trig.activate_trigger('graphics update', self) 
    14077 File
    14078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14079 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14080 trigger.activate(data) 
    14081 File
    14082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14083 packages/chimerax/core/triggerset.py", line 190, in activate 
    14084 ret = handler.invoke(data, self._remove_bad_handlers) 
    14085 File
    14086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14087 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14088 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14089 File
    14090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14091 packages/chimerax/core/session.py", line 943, in <lambda> 
    14092 logger.report_exception(preface=preface)) 
    14093 File
    14094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14095 packages/chimerax/core/logger.py", line 421, in report_exception 
    14096 elif probably_chimera1_session(exc_info): 
    14097 File
    14098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14099 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14100 etype, evalue, etraceback = exc_info 
    14101 TypeError: cannot unpack non-iterable NoneType object 
    14102  
    14103 TypeError: cannot unpack non-iterable NoneType object 
    14104  
    14105 File
    14106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14107 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14108 etype, evalue, etraceback = exc_info 
    14109  
    14110 See log for complete Python traceback. 
    14111  
    14112 Traceback (most recent call last): 
    14113 File
    14114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14115 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14116 return self._func(self._name, data) 
    14117 File
    14118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14119 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14120 if v.display: 
    14121 File
    14122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14123 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14124 return self._any_displayed_positions and len(self._positions) > 0 
    14125 TypeError: object of type 'NoneType' has no len() 
    14126  
    14127 During handling of the above exception, another exception occurred: 
    14128  
    14129 Traceback (most recent call last): 
    14130 File
    14131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14132 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14133 if not self.draw_new_frame(): 
    14134 File
    14135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14136 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14137 changed = view.check_for_drawing_change() 
    14138 File
    14139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14140 packages/chimerax/core/graphics/view.py", line 252, in
    14141 check_for_drawing_change 
    14142 trig.activate_trigger('graphics update', self) 
    14143 File
    14144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14145 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14146 trigger.activate(data) 
    14147 File
    14148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14149 packages/chimerax/core/triggerset.py", line 190, in activate 
    14150 ret = handler.invoke(data, self._remove_bad_handlers) 
    14151 File
    14152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14153 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14154 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14155 File
    14156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14157 packages/chimerax/core/session.py", line 943, in <lambda> 
    14158 logger.report_exception(preface=preface)) 
    14159 File
    14160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14161 packages/chimerax/core/logger.py", line 421, in report_exception 
    14162 elif probably_chimera1_session(exc_info): 
    14163 File
    14164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14165 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14166 etype, evalue, etraceback = exc_info 
    14167 TypeError: cannot unpack non-iterable NoneType object 
    14168  
    14169 TypeError: cannot unpack non-iterable NoneType object 
    14170  
    14171 File
    14172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14173 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14174 etype, evalue, etraceback = exc_info 
    14175  
    14176 See log for complete Python traceback. 
    14177  
    14178 Traceback (most recent call last): 
    14179 File
    14180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14181 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14182 return self._func(self._name, data) 
    14183 File
    14184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14185 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14186 if v.display: 
    14187 File
    14188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14189 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14190 return self._any_displayed_positions and len(self._positions) > 0 
    14191 TypeError: object of type 'NoneType' has no len() 
    14192  
    14193 During handling of the above exception, another exception occurred: 
    14194  
    14195 Traceback (most recent call last): 
    14196 File
    14197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14198 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14199 if not self.draw_new_frame(): 
    14200 File
    14201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14202 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14203 changed = view.check_for_drawing_change() 
    14204 File
    14205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14206 packages/chimerax/core/graphics/view.py", line 252, in
    14207 check_for_drawing_change 
    14208 trig.activate_trigger('graphics update', self) 
    14209 File
    14210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14211 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14212 trigger.activate(data) 
    14213 File
    14214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14215 packages/chimerax/core/triggerset.py", line 190, in activate 
    14216 ret = handler.invoke(data, self._remove_bad_handlers) 
    14217 File
    14218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14219 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14220 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14221 File
    14222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14223 packages/chimerax/core/session.py", line 943, in <lambda> 
    14224 logger.report_exception(preface=preface)) 
    14225 File
    14226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14227 packages/chimerax/core/logger.py", line 421, in report_exception 
    14228 elif probably_chimera1_session(exc_info): 
    14229 File
    14230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14231 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14232 etype, evalue, etraceback = exc_info 
    14233 TypeError: cannot unpack non-iterable NoneType object 
    14234  
    14235 TypeError: cannot unpack non-iterable NoneType object 
    14236  
    14237 File
    14238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14239 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14240 etype, evalue, etraceback = exc_info 
    14241  
    14242 See log for complete Python traceback. 
    14243  
    14244 Traceback (most recent call last): 
    14245 File
    14246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14247 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14248 return self._func(self._name, data) 
    14249 File
    14250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14251 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14252 if v.display: 
    14253 File
    14254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14255 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14256 return self._any_displayed_positions and len(self._positions) > 0 
    14257 TypeError: object of type 'NoneType' has no len() 
    14258  
    14259 During handling of the above exception, another exception occurred: 
    14260  
    14261 Traceback (most recent call last): 
    14262 File
    14263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14264 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14265 if not self.draw_new_frame(): 
    14266 File
    14267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14268 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14269 changed = view.check_for_drawing_change() 
    14270 File
    14271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14272 packages/chimerax/core/graphics/view.py", line 252, in
    14273 check_for_drawing_change 
    14274 trig.activate_trigger('graphics update', self) 
    14275 File
    14276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14277 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14278 trigger.activate(data) 
    14279 File
    14280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14281 packages/chimerax/core/triggerset.py", line 190, in activate 
    14282 ret = handler.invoke(data, self._remove_bad_handlers) 
    14283 File
    14284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14285 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14286 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14287 File
    14288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14289 packages/chimerax/core/session.py", line 943, in <lambda> 
    14290 logger.report_exception(preface=preface)) 
    14291 File
    14292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14293 packages/chimerax/core/logger.py", line 421, in report_exception 
    14294 elif probably_chimera1_session(exc_info): 
    14295 File
    14296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14297 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14298 etype, evalue, etraceback = exc_info 
    14299 TypeError: cannot unpack non-iterable NoneType object 
    14300  
    14301 TypeError: cannot unpack non-iterable NoneType object 
    14302  
    14303 File
    14304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14305 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14306 etype, evalue, etraceback = exc_info 
    14307  
    14308 See log for complete Python traceback. 
    14309  
    14310 Traceback (most recent call last): 
    14311 File
    14312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14313 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14314 return self._func(self._name, data) 
    14315 File
    14316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14317 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14318 if v.display: 
    14319 File
    14320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14321 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14322 return self._any_displayed_positions and len(self._positions) > 0 
    14323 TypeError: object of type 'NoneType' has no len() 
    14324  
    14325 During handling of the above exception, another exception occurred: 
    14326  
    14327 Traceback (most recent call last): 
    14328 File
    14329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14330 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14331 if not self.draw_new_frame(): 
    14332 File
    14333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14334 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14335 changed = view.check_for_drawing_change() 
    14336 File
    14337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14338 packages/chimerax/core/graphics/view.py", line 252, in
    14339 check_for_drawing_change 
    14340 trig.activate_trigger('graphics update', self) 
    14341 File
    14342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14343 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14344 trigger.activate(data) 
    14345 File
    14346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14347 packages/chimerax/core/triggerset.py", line 190, in activate 
    14348 ret = handler.invoke(data, self._remove_bad_handlers) 
    14349 File
    14350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14351 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14352 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14353 File
    14354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14355 packages/chimerax/core/session.py", line 943, in <lambda> 
    14356 logger.report_exception(preface=preface)) 
    14357 File
    14358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14359 packages/chimerax/core/logger.py", line 421, in report_exception 
    14360 elif probably_chimera1_session(exc_info): 
    14361 File
    14362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14363 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14364 etype, evalue, etraceback = exc_info 
    14365 TypeError: cannot unpack non-iterable NoneType object 
    14366  
    14367 TypeError: cannot unpack non-iterable NoneType object 
    14368  
    14369 File
    14370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14371 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14372 etype, evalue, etraceback = exc_info 
    14373  
    14374 See log for complete Python traceback. 
    14375  
    14376 Traceback (most recent call last): 
    14377 File
    14378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14379 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14380 return self._func(self._name, data) 
    14381 File
    14382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14383 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14384 if v.display: 
    14385 File
    14386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14387 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14388 return self._any_displayed_positions and len(self._positions) > 0 
    14389 TypeError: object of type 'NoneType' has no len() 
    14390  
    14391 During handling of the above exception, another exception occurred: 
    14392  
    14393 Traceback (most recent call last): 
    14394 File
    14395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14396 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14397 if not self.draw_new_frame(): 
    14398 File
    14399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14400 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14401 changed = view.check_for_drawing_change() 
    14402 File
    14403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14404 packages/chimerax/core/graphics/view.py", line 252, in
    14405 check_for_drawing_change 
    14406 trig.activate_trigger('graphics update', self) 
    14407 File
    14408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14409 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14410 trigger.activate(data) 
    14411 File
    14412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14413 packages/chimerax/core/triggerset.py", line 190, in activate 
    14414 ret = handler.invoke(data, self._remove_bad_handlers) 
    14415 File
    14416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14417 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14418 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14419 File
    14420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14421 packages/chimerax/core/session.py", line 943, in <lambda> 
    14422 logger.report_exception(preface=preface)) 
    14423 File
    14424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14425 packages/chimerax/core/logger.py", line 421, in report_exception 
    14426 elif probably_chimera1_session(exc_info): 
    14427 File
    14428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14429 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14430 etype, evalue, etraceback = exc_info 
    14431 TypeError: cannot unpack non-iterable NoneType object 
    14432  
    14433 TypeError: cannot unpack non-iterable NoneType object 
    14434  
    14435 File
    14436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14437 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14438 etype, evalue, etraceback = exc_info 
    14439  
    14440 See log for complete Python traceback. 
    14441  
    14442 Traceback (most recent call last): 
    14443 File
    14444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14445 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14446 return self._func(self._name, data) 
    14447 File
    14448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14449 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14450 if v.display: 
    14451 File
    14452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14453 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14454 return self._any_displayed_positions and len(self._positions) > 0 
    14455 TypeError: object of type 'NoneType' has no len() 
    14456  
    14457 During handling of the above exception, another exception occurred: 
    14458  
    14459 Traceback (most recent call last): 
    14460 File
    14461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14462 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14463 if not self.draw_new_frame(): 
    14464 File
    14465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14466 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14467 changed = view.check_for_drawing_change() 
    14468 File
    14469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14470 packages/chimerax/core/graphics/view.py", line 252, in
    14471 check_for_drawing_change 
    14472 trig.activate_trigger('graphics update', self) 
    14473 File
    14474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14475 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14476 trigger.activate(data) 
    14477 File
    14478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14479 packages/chimerax/core/triggerset.py", line 190, in activate 
    14480 ret = handler.invoke(data, self._remove_bad_handlers) 
    14481 File
    14482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14483 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14484 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14485 File
    14486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14487 packages/chimerax/core/session.py", line 943, in <lambda> 
    14488 logger.report_exception(preface=preface)) 
    14489 File
    14490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14491 packages/chimerax/core/logger.py", line 421, in report_exception 
    14492 elif probably_chimera1_session(exc_info): 
    14493 File
    14494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14495 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14496 etype, evalue, etraceback = exc_info 
    14497 TypeError: cannot unpack non-iterable NoneType object 
    14498  
    14499 TypeError: cannot unpack non-iterable NoneType object 
    14500  
    14501 File
    14502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14503 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14504 etype, evalue, etraceback = exc_info 
    14505  
    14506 See log for complete Python traceback. 
    14507  
    14508 Traceback (most recent call last): 
    14509 File
    14510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14511 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14512 return self._func(self._name, data) 
    14513 File
    14514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14515 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14516 if v.display: 
    14517 File
    14518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14519 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14520 return self._any_displayed_positions and len(self._positions) > 0 
    14521 TypeError: object of type 'NoneType' has no len() 
    14522  
    14523 During handling of the above exception, another exception occurred: 
    14524  
    14525 Traceback (most recent call last): 
    14526 File
    14527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14528 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14529 if not self.draw_new_frame(): 
    14530 File
    14531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14532 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14533 changed = view.check_for_drawing_change() 
    14534 File
    14535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14536 packages/chimerax/core/graphics/view.py", line 252, in
    14537 check_for_drawing_change 
    14538 trig.activate_trigger('graphics update', self) 
    14539 File
    14540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14541 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14542 trigger.activate(data) 
    14543 File
    14544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14545 packages/chimerax/core/triggerset.py", line 190, in activate 
    14546 ret = handler.invoke(data, self._remove_bad_handlers) 
    14547 File
    14548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14549 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14550 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14551 File
    14552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14553 packages/chimerax/core/session.py", line 943, in <lambda> 
    14554 logger.report_exception(preface=preface)) 
    14555 File
    14556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14557 packages/chimerax/core/logger.py", line 421, in report_exception 
    14558 elif probably_chimera1_session(exc_info): 
    14559 File
    14560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14561 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14562 etype, evalue, etraceback = exc_info 
    14563 TypeError: cannot unpack non-iterable NoneType object 
    14564  
    14565 TypeError: cannot unpack non-iterable NoneType object 
    14566  
    14567 File
    14568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14569 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14570 etype, evalue, etraceback = exc_info 
    14571  
    14572 See log for complete Python traceback. 
    14573  
    14574 Traceback (most recent call last): 
    14575 File
    14576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14577 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14578 return self._func(self._name, data) 
    14579 File
    14580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14581 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14582 if v.display: 
    14583 File
    14584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14585 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14586 return self._any_displayed_positions and len(self._positions) > 0 
    14587 TypeError: object of type 'NoneType' has no len() 
    14588  
    14589 During handling of the above exception, another exception occurred: 
    14590  
    14591 Traceback (most recent call last): 
    14592 File
    14593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14594 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14595 if not self.draw_new_frame(): 
    14596 File
    14597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14598 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14599 changed = view.check_for_drawing_change() 
    14600 File
    14601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14602 packages/chimerax/core/graphics/view.py", line 252, in
    14603 check_for_drawing_change 
    14604 trig.activate_trigger('graphics update', self) 
    14605 File
    14606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14607 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14608 trigger.activate(data) 
    14609 File
    14610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14611 packages/chimerax/core/triggerset.py", line 190, in activate 
    14612 ret = handler.invoke(data, self._remove_bad_handlers) 
    14613 File
    14614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14615 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14616 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14617 File
    14618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14619 packages/chimerax/core/session.py", line 943, in <lambda> 
    14620 logger.report_exception(preface=preface)) 
    14621 File
    14622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14623 packages/chimerax/core/logger.py", line 421, in report_exception 
    14624 elif probably_chimera1_session(exc_info): 
    14625 File
    14626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14627 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14628 etype, evalue, etraceback = exc_info 
    14629 TypeError: cannot unpack non-iterable NoneType object 
    14630  
    14631 TypeError: cannot unpack non-iterable NoneType object 
    14632  
    14633 File
    14634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14635 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14636 etype, evalue, etraceback = exc_info 
    14637  
    14638 See log for complete Python traceback. 
    14639  
    14640 Traceback (most recent call last): 
    14641 File
    14642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14643 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14644 return self._func(self._name, data) 
    14645 File
    14646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14647 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14648 if v.display: 
    14649 File
    14650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14651 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14652 return self._any_displayed_positions and len(self._positions) > 0 
    14653 TypeError: object of type 'NoneType' has no len() 
    14654  
    14655 During handling of the above exception, another exception occurred: 
    14656  
    14657 Traceback (most recent call last): 
    14658 File
    14659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14660 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14661 if not self.draw_new_frame(): 
    14662 File
    14663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14664 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14665 changed = view.check_for_drawing_change() 
    14666 File
    14667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14668 packages/chimerax/core/graphics/view.py", line 252, in
    14669 check_for_drawing_change 
    14670 trig.activate_trigger('graphics update', self) 
    14671 File
    14672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14673 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14674 trigger.activate(data) 
    14675 File
    14676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14677 packages/chimerax/core/triggerset.py", line 190, in activate 
    14678 ret = handler.invoke(data, self._remove_bad_handlers) 
    14679 File
    14680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14681 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14682 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14683 File
    14684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14685 packages/chimerax/core/session.py", line 943, in <lambda> 
    14686 logger.report_exception(preface=preface)) 
    14687 File
    14688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14689 packages/chimerax/core/logger.py", line 421, in report_exception 
    14690 elif probably_chimera1_session(exc_info): 
    14691 File
    14692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14693 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14694 etype, evalue, etraceback = exc_info 
    14695 TypeError: cannot unpack non-iterable NoneType object 
    14696  
    14697 TypeError: cannot unpack non-iterable NoneType object 
    14698  
    14699 File
    14700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14701 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14702 etype, evalue, etraceback = exc_info 
    14703  
    14704 See log for complete Python traceback. 
    14705  
    14706 Traceback (most recent call last): 
    14707 File
    14708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14709 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14710 return self._func(self._name, data) 
    14711 File
    14712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14713 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14714 if v.display: 
    14715 File
    14716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14717 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14718 return self._any_displayed_positions and len(self._positions) > 0 
    14719 TypeError: object of type 'NoneType' has no len() 
    14720  
    14721 During handling of the above exception, another exception occurred: 
    14722  
    14723 Traceback (most recent call last): 
    14724 File
    14725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14726 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14727 if not self.draw_new_frame(): 
    14728 File
    14729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14730 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14731 changed = view.check_for_drawing_change() 
    14732 File
    14733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14734 packages/chimerax/core/graphics/view.py", line 252, in
    14735 check_for_drawing_change 
    14736 trig.activate_trigger('graphics update', self) 
    14737 File
    14738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14739 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14740 trigger.activate(data) 
    14741 File
    14742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14743 packages/chimerax/core/triggerset.py", line 190, in activate 
    14744 ret = handler.invoke(data, self._remove_bad_handlers) 
    14745 File
    14746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14747 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14748 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14749 File
    14750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14751 packages/chimerax/core/session.py", line 943, in <lambda> 
    14752 logger.report_exception(preface=preface)) 
    14753 File
    14754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14755 packages/chimerax/core/logger.py", line 421, in report_exception 
    14756 elif probably_chimera1_session(exc_info): 
    14757 File
    14758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14759 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14760 etype, evalue, etraceback = exc_info 
    14761 TypeError: cannot unpack non-iterable NoneType object 
    14762  
    14763 TypeError: cannot unpack non-iterable NoneType object 
    14764  
    14765 File
    14766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14767 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14768 etype, evalue, etraceback = exc_info 
    14769  
    14770 See log for complete Python traceback. 
    14771  
    14772 Traceback (most recent call last): 
    14773 File
    14774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14775 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14776 return self._func(self._name, data) 
    14777 File
    14778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14779 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14780 if v.display: 
    14781 File
    14782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14783 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14784 return self._any_displayed_positions and len(self._positions) > 0 
    14785 TypeError: object of type 'NoneType' has no len() 
    14786  
    14787 During handling of the above exception, another exception occurred: 
    14788  
    14789 Traceback (most recent call last): 
    14790 File
    14791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14792 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14793 if not self.draw_new_frame(): 
    14794 File
    14795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14796 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14797 changed = view.check_for_drawing_change() 
    14798 File
    14799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14800 packages/chimerax/core/graphics/view.py", line 252, in
    14801 check_for_drawing_change 
    14802 trig.activate_trigger('graphics update', self) 
    14803 File
    14804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14805 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14806 trigger.activate(data) 
    14807 File
    14808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14809 packages/chimerax/core/triggerset.py", line 190, in activate 
    14810 ret = handler.invoke(data, self._remove_bad_handlers) 
    14811 File
    14812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14813 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14814 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14815 File
    14816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14817 packages/chimerax/core/session.py", line 943, in <lambda> 
    14818 logger.report_exception(preface=preface)) 
    14819 File
    14820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14821 packages/chimerax/core/logger.py", line 421, in report_exception 
    14822 elif probably_chimera1_session(exc_info): 
    14823 File
    14824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14825 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14826 etype, evalue, etraceback = exc_info 
    14827 TypeError: cannot unpack non-iterable NoneType object 
    14828  
    14829 TypeError: cannot unpack non-iterable NoneType object 
    14830  
    14831 File
    14832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14833 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14834 etype, evalue, etraceback = exc_info 
    14835  
    14836 See log for complete Python traceback. 
    14837  
    14838 Traceback (most recent call last): 
    14839 File
    14840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14841 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14842 return self._func(self._name, data) 
    14843 File
    14844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14845 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14846 if v.display: 
    14847 File
    14848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14849 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14850 return self._any_displayed_positions and len(self._positions) > 0 
    14851 TypeError: object of type 'NoneType' has no len() 
    14852  
    14853 During handling of the above exception, another exception occurred: 
    14854  
    14855 Traceback (most recent call last): 
    14856 File
    14857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14858 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14859 if not self.draw_new_frame(): 
    14860 File
    14861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14862 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14863 changed = view.check_for_drawing_change() 
    14864 File
    14865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14866 packages/chimerax/core/graphics/view.py", line 252, in
    14867 check_for_drawing_change 
    14868 trig.activate_trigger('graphics update', self) 
    14869 File
    14870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14871 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14872 trigger.activate(data) 
    14873 File
    14874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14875 packages/chimerax/core/triggerset.py", line 190, in activate 
    14876 ret = handler.invoke(data, self._remove_bad_handlers) 
    14877 File
    14878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14879 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14880 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14881 File
    14882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14883 packages/chimerax/core/session.py", line 943, in <lambda> 
    14884 logger.report_exception(preface=preface)) 
    14885 File
    14886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14887 packages/chimerax/core/logger.py", line 421, in report_exception 
    14888 elif probably_chimera1_session(exc_info): 
    14889 File
    14890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14891 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14892 etype, evalue, etraceback = exc_info 
    14893 TypeError: cannot unpack non-iterable NoneType object 
    14894  
    14895 TypeError: cannot unpack non-iterable NoneType object 
    14896  
    14897 File
    14898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14899 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14900 etype, evalue, etraceback = exc_info 
    14901  
    14902 See log for complete Python traceback. 
    14903  
    14904 Traceback (most recent call last): 
    14905 File
    14906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14907 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14908 return self._func(self._name, data) 
    14909 File
    14910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14911 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14912 if v.display: 
    14913 File
    14914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14915 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14916 return self._any_displayed_positions and len(self._positions) > 0 
    14917 TypeError: object of type 'NoneType' has no len() 
    14918  
    14919 During handling of the above exception, another exception occurred: 
    14920  
    14921 Traceback (most recent call last): 
    14922 File
    14923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14924 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14925 if not self.draw_new_frame(): 
    14926 File
    14927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14928 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14929 changed = view.check_for_drawing_change() 
    14930 File
    14931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14932 packages/chimerax/core/graphics/view.py", line 252, in
    14933 check_for_drawing_change 
    14934 trig.activate_trigger('graphics update', self) 
    14935 File
    14936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14937 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14938 trigger.activate(data) 
    14939 File
    14940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14941 packages/chimerax/core/triggerset.py", line 190, in activate 
    14942 ret = handler.invoke(data, self._remove_bad_handlers) 
    14943 File
    14944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14945 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14946 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14947 File
    14948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14949 packages/chimerax/core/session.py", line 943, in <lambda> 
    14950 logger.report_exception(preface=preface)) 
    14951 File
    14952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14953 packages/chimerax/core/logger.py", line 421, in report_exception 
    14954 elif probably_chimera1_session(exc_info): 
    14955 File
    14956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14957 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14958 etype, evalue, etraceback = exc_info 
    14959 TypeError: cannot unpack non-iterable NoneType object 
    14960  
    14961 TypeError: cannot unpack non-iterable NoneType object 
    14962  
    14963 File
    14964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14965 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14966 etype, evalue, etraceback = exc_info 
    14967  
    14968 See log for complete Python traceback. 
    14969  
    14970 Traceback (most recent call last): 
    14971 File
    14972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14973 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14974 return self._func(self._name, data) 
    14975 File
    14976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14977 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14978 if v.display: 
    14979 File
    14980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14981 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14982 return self._any_displayed_positions and len(self._positions) > 0 
    14983 TypeError: object of type 'NoneType' has no len() 
    14984  
    14985 During handling of the above exception, another exception occurred: 
    14986  
    14987 Traceback (most recent call last): 
    14988 File
    14989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14990 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14991 if not self.draw_new_frame(): 
    14992 File
    14993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14994 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14995 changed = view.check_for_drawing_change() 
    14996 File
    14997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14998 packages/chimerax/core/graphics/view.py", line 252, in
    14999 check_for_drawing_change 
    15000 trig.activate_trigger('graphics update', self) 
    15001 File
    15002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15003 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15004 trigger.activate(data) 
    15005 File
    15006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15007 packages/chimerax/core/triggerset.py", line 190, in activate 
    15008 ret = handler.invoke(data, self._remove_bad_handlers) 
    15009 File
    15010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15011 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15012 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15013 File
    15014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15015 packages/chimerax/core/session.py", line 943, in <lambda> 
    15016 logger.report_exception(preface=preface)) 
    15017 File
    15018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15019 packages/chimerax/core/logger.py", line 421, in report_exception 
    15020 elif probably_chimera1_session(exc_info): 
    15021 File
    15022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15023 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15024 etype, evalue, etraceback = exc_info 
    15025 TypeError: cannot unpack non-iterable NoneType object 
    15026  
    15027 TypeError: cannot unpack non-iterable NoneType object 
    15028  
    15029 File
    15030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15031 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15032 etype, evalue, etraceback = exc_info 
    15033  
    15034 See log for complete Python traceback. 
    15035  
    15036 Traceback (most recent call last): 
    15037 File
    15038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15039 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15040 return self._func(self._name, data) 
    15041 File
    15042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15043 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15044 if v.display: 
    15045 File
    15046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15047 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15048 return self._any_displayed_positions and len(self._positions) > 0 
    15049 TypeError: object of type 'NoneType' has no len() 
    15050  
    15051 During handling of the above exception, another exception occurred: 
    15052  
    15053 Traceback (most recent call last): 
    15054 File
    15055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15056 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15057 if not self.draw_new_frame(): 
    15058 File
    15059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15060 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15061 changed = view.check_for_drawing_change() 
    15062 File
    15063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15064 packages/chimerax/core/graphics/view.py", line 252, in
    15065 check_for_drawing_change 
    15066 trig.activate_trigger('graphics update', self) 
    15067 File
    15068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15069 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15070 trigger.activate(data) 
    15071 File
    15072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15073 packages/chimerax/core/triggerset.py", line 190, in activate 
    15074 ret = handler.invoke(data, self._remove_bad_handlers) 
    15075 File
    15076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15077 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15078 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15079 File
    15080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15081 packages/chimerax/core/session.py", line 943, in <lambda> 
    15082 logger.report_exception(preface=preface)) 
    15083 File
    15084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15085 packages/chimerax/core/logger.py", line 421, in report_exception 
    15086 elif probably_chimera1_session(exc_info): 
    15087 File
    15088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15089 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15090 etype, evalue, etraceback = exc_info 
    15091 TypeError: cannot unpack non-iterable NoneType object 
    15092  
    15093 TypeError: cannot unpack non-iterable NoneType object 
    15094  
    15095 File
    15096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15097 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15098 etype, evalue, etraceback = exc_info 
    15099  
    15100 See log for complete Python traceback. 
    15101  
    15102 Traceback (most recent call last): 
    15103 File
    15104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15105 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15106 return self._func(self._name, data) 
    15107 File
    15108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15109 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15110 if v.display: 
    15111 File
    15112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15113 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15114 return self._any_displayed_positions and len(self._positions) > 0 
    15115 TypeError: object of type 'NoneType' has no len() 
    15116  
    15117 During handling of the above exception, another exception occurred: 
    15118  
    15119 Traceback (most recent call last): 
    15120 File
    15121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15122 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15123 if not self.draw_new_frame(): 
    15124 File
    15125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15126 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15127 changed = view.check_for_drawing_change() 
    15128 File
    15129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15130 packages/chimerax/core/graphics/view.py", line 252, in
    15131 check_for_drawing_change 
    15132 trig.activate_trigger('graphics update', self) 
    15133 File
    15134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15135 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15136 trigger.activate(data) 
    15137 File
    15138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15139 packages/chimerax/core/triggerset.py", line 190, in activate 
    15140 ret = handler.invoke(data, self._remove_bad_handlers) 
    15141 File
    15142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15143 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15144 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15145 File
    15146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15147 packages/chimerax/core/session.py", line 943, in <lambda> 
    15148 logger.report_exception(preface=preface)) 
    15149 File
    15150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15151 packages/chimerax/core/logger.py", line 421, in report_exception 
    15152 elif probably_chimera1_session(exc_info): 
    15153 File
    15154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15155 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15156 etype, evalue, etraceback = exc_info 
    15157 TypeError: cannot unpack non-iterable NoneType object 
    15158  
    15159 TypeError: cannot unpack non-iterable NoneType object 
    15160  
    15161 File
    15162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15163 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15164 etype, evalue, etraceback = exc_info 
    15165  
    15166 See log for complete Python traceback. 
    15167  
    15168 Traceback (most recent call last): 
    15169 File
    15170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15171 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15172 return self._func(self._name, data) 
    15173 File
    15174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15175 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15176 if v.display: 
    15177 File
    15178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15179 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15180 return self._any_displayed_positions and len(self._positions) > 0 
    15181 TypeError: object of type 'NoneType' has no len() 
    15182  
    15183 During handling of the above exception, another exception occurred: 
    15184  
    15185 Traceback (most recent call last): 
    15186 File
    15187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15188 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15189 if not self.draw_new_frame(): 
    15190 File
    15191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15192 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15193 changed = view.check_for_drawing_change() 
    15194 File
    15195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15196 packages/chimerax/core/graphics/view.py", line 252, in
    15197 check_for_drawing_change 
    15198 trig.activate_trigger('graphics update', self) 
    15199 File
    15200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15201 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15202 trigger.activate(data) 
    15203 File
    15204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15205 packages/chimerax/core/triggerset.py", line 190, in activate 
    15206 ret = handler.invoke(data, self._remove_bad_handlers) 
    15207 File
    15208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15209 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15210 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15211 File
    15212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15213 packages/chimerax/core/session.py", line 943, in <lambda> 
    15214 logger.report_exception(preface=preface)) 
    15215 File
    15216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15217 packages/chimerax/core/logger.py", line 421, in report_exception 
    15218 elif probably_chimera1_session(exc_info): 
    15219 File
    15220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15221 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15222 etype, evalue, etraceback = exc_info 
    15223 TypeError: cannot unpack non-iterable NoneType object 
    15224  
    15225 TypeError: cannot unpack non-iterable NoneType object 
    15226  
    15227 File
    15228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15229 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15230 etype, evalue, etraceback = exc_info 
    15231  
    15232 See log for complete Python traceback. 
    15233  
    15234 Traceback (most recent call last): 
    15235 File
    15236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15237 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15238 return self._func(self._name, data) 
    15239 File
    15240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15241 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15242 if v.display: 
    15243 File
    15244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15245 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15246 return self._any_displayed_positions and len(self._positions) > 0 
    15247 TypeError: object of type 'NoneType' has no len() 
    15248  
    15249 During handling of the above exception, another exception occurred: 
    15250  
    15251 Traceback (most recent call last): 
    15252 File
    15253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15254 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15255 if not self.draw_new_frame(): 
    15256 File
    15257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15258 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15259 changed = view.check_for_drawing_change() 
    15260 File
    15261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15262 packages/chimerax/core/graphics/view.py", line 252, in
    15263 check_for_drawing_change 
    15264 trig.activate_trigger('graphics update', self) 
    15265 File
    15266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15267 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15268 trigger.activate(data) 
    15269 File
    15270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15271 packages/chimerax/core/triggerset.py", line 190, in activate 
    15272 ret = handler.invoke(data, self._remove_bad_handlers) 
    15273 File
    15274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15275 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15276 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15277 File
    15278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15279 packages/chimerax/core/session.py", line 943, in <lambda> 
    15280 logger.report_exception(preface=preface)) 
    15281 File
    15282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15283 packages/chimerax/core/logger.py", line 421, in report_exception 
    15284 elif probably_chimera1_session(exc_info): 
    15285 File
    15286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15287 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15288 etype, evalue, etraceback = exc_info 
    15289 TypeError: cannot unpack non-iterable NoneType object 
    15290  
    15291 TypeError: cannot unpack non-iterable NoneType object 
    15292  
    15293 File
    15294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15295 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15296 etype, evalue, etraceback = exc_info 
    15297  
    15298 See log for complete Python traceback. 
    15299  
    15300 Traceback (most recent call last): 
    15301 File
    15302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15303 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15304 return self._func(self._name, data) 
    15305 File
    15306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15307 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15308 if v.display: 
    15309 File
    15310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15311 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15312 return self._any_displayed_positions and len(self._positions) > 0 
    15313 TypeError: object of type 'NoneType' has no len() 
    15314  
    15315 During handling of the above exception, another exception occurred: 
    15316  
    15317 Traceback (most recent call last): 
    15318 File
    15319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15320 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15321 if not self.draw_new_frame(): 
    15322 File
    15323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15324 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15325 changed = view.check_for_drawing_change() 
    15326 File
    15327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15328 packages/chimerax/core/graphics/view.py", line 252, in
    15329 check_for_drawing_change 
    15330 trig.activate_trigger('graphics update', self) 
    15331 File
    15332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15333 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15334 trigger.activate(data) 
    15335 File
    15336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15337 packages/chimerax/core/triggerset.py", line 190, in activate 
    15338 ret = handler.invoke(data, self._remove_bad_handlers) 
    15339 File
    15340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15341 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15342 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15343 File
    15344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15345 packages/chimerax/core/session.py", line 943, in <lambda> 
    15346 logger.report_exception(preface=preface)) 
    15347 File
    15348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15349 packages/chimerax/core/logger.py", line 421, in report_exception 
    15350 elif probably_chimera1_session(exc_info): 
    15351 File
    15352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15353 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15354 etype, evalue, etraceback = exc_info 
    15355 TypeError: cannot unpack non-iterable NoneType object 
    15356  
    15357 TypeError: cannot unpack non-iterable NoneType object 
    15358  
    15359 File
    15360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15361 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15362 etype, evalue, etraceback = exc_info 
    15363  
    15364 See log for complete Python traceback. 
    15365  
    15366 Traceback (most recent call last): 
    15367 File
    15368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15369 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15370 return self._func(self._name, data) 
    15371 File
    15372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15373 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15374 if v.display: 
    15375 File
    15376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15377 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15378 return self._any_displayed_positions and len(self._positions) > 0 
    15379 TypeError: object of type 'NoneType' has no len() 
    15380  
    15381 During handling of the above exception, another exception occurred: 
    15382  
    15383 Traceback (most recent call last): 
    15384 File
    15385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15386 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15387 if not self.draw_new_frame(): 
    15388 File
    15389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15390 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15391 changed = view.check_for_drawing_change() 
    15392 File
    15393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15394 packages/chimerax/core/graphics/view.py", line 252, in
    15395 check_for_drawing_change 
    15396 trig.activate_trigger('graphics update', self) 
    15397 File
    15398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15399 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15400 trigger.activate(data) 
    15401 File
    15402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15403 packages/chimerax/core/triggerset.py", line 190, in activate 
    15404 ret = handler.invoke(data, self._remove_bad_handlers) 
    15405 File
    15406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15407 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15408 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15409 File
    15410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15411 packages/chimerax/core/session.py", line 943, in <lambda> 
    15412 logger.report_exception(preface=preface)) 
    15413 File
    15414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15415 packages/chimerax/core/logger.py", line 421, in report_exception 
    15416 elif probably_chimera1_session(exc_info): 
    15417 File
    15418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15419 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15420 etype, evalue, etraceback = exc_info 
    15421 TypeError: cannot unpack non-iterable NoneType object 
    15422  
    15423 TypeError: cannot unpack non-iterable NoneType object 
    15424  
    15425 File
    15426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15427 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15428 etype, evalue, etraceback = exc_info 
    15429  
    15430 See log for complete Python traceback. 
    15431  
    15432 Traceback (most recent call last): 
    15433 File
    15434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15435 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15436 return self._func(self._name, data) 
    15437 File
    15438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15439 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15440 if v.display: 
    15441 File
    15442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15443 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15444 return self._any_displayed_positions and len(self._positions) > 0 
    15445 TypeError: object of type 'NoneType' has no len() 
    15446  
    15447 During handling of the above exception, another exception occurred: 
    15448  
    15449 Traceback (most recent call last): 
    15450 File
    15451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15452 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15453 if not self.draw_new_frame(): 
    15454 File
    15455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15456 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15457 changed = view.check_for_drawing_change() 
    15458 File
    15459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15460 packages/chimerax/core/graphics/view.py", line 252, in
    15461 check_for_drawing_change 
    15462 trig.activate_trigger('graphics update', self) 
    15463 File
    15464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15465 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15466 trigger.activate(data) 
    15467 File
    15468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15469 packages/chimerax/core/triggerset.py", line 190, in activate 
    15470 ret = handler.invoke(data, self._remove_bad_handlers) 
    15471 File
    15472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15473 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15474 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15475 File
    15476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15477 packages/chimerax/core/session.py", line 943, in <lambda> 
    15478 logger.report_exception(preface=preface)) 
    15479 File
    15480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15481 packages/chimerax/core/logger.py", line 421, in report_exception 
    15482 elif probably_chimera1_session(exc_info): 
    15483 File
    15484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15485 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15486 etype, evalue, etraceback = exc_info 
    15487 TypeError: cannot unpack non-iterable NoneType object 
    15488  
    15489 TypeError: cannot unpack non-iterable NoneType object 
    15490  
    15491 File
    15492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15493 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15494 etype, evalue, etraceback = exc_info 
    15495  
    15496 See log for complete Python traceback. 
    15497  
    15498 Traceback (most recent call last): 
    15499 File
    15500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15501 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15502 return self._func(self._name, data) 
    15503 File
    15504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15505 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15506 if v.display: 
    15507 File
    15508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15509 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15510 return self._any_displayed_positions and len(self._positions) > 0 
    15511 TypeError: object of type 'NoneType' has no len() 
    15512  
    15513 During handling of the above exception, another exception occurred: 
    15514  
    15515 Traceback (most recent call last): 
    15516 File
    15517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15518 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15519 if not self.draw_new_frame(): 
    15520 File
    15521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15522 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15523 changed = view.check_for_drawing_change() 
    15524 File
    15525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15526 packages/chimerax/core/graphics/view.py", line 252, in
    15527 check_for_drawing_change 
    15528 trig.activate_trigger('graphics update', self) 
    15529 File
    15530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15531 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15532 trigger.activate(data) 
    15533 File
    15534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15535 packages/chimerax/core/triggerset.py", line 190, in activate 
    15536 ret = handler.invoke(data, self._remove_bad_handlers) 
    15537 File
    15538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15539 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15540 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15541 File
    15542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15543 packages/chimerax/core/session.py", line 943, in <lambda> 
    15544 logger.report_exception(preface=preface)) 
    15545 File
    15546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15547 packages/chimerax/core/logger.py", line 421, in report_exception 
    15548 elif probably_chimera1_session(exc_info): 
    15549 File
    15550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15551 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15552 etype, evalue, etraceback = exc_info 
    15553 TypeError: cannot unpack non-iterable NoneType object 
    15554  
    15555 TypeError: cannot unpack non-iterable NoneType object 
    15556  
    15557 File
    15558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15559 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15560 etype, evalue, etraceback = exc_info 
    15561  
    15562 See log for complete Python traceback. 
    15563  
    15564 Traceback (most recent call last): 
    15565 File
    15566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15567 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15568 return self._func(self._name, data) 
    15569 File
    15570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15571 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15572 if v.display: 
    15573 File
    15574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15575 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15576 return self._any_displayed_positions and len(self._positions) > 0 
    15577 TypeError: object of type 'NoneType' has no len() 
    15578  
    15579 During handling of the above exception, another exception occurred: 
    15580  
    15581 Traceback (most recent call last): 
    15582 File
    15583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15584 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15585 if not self.draw_new_frame(): 
    15586 File
    15587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15588 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15589 changed = view.check_for_drawing_change() 
    15590 File
    15591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15592 packages/chimerax/core/graphics/view.py", line 252, in
    15593 check_for_drawing_change 
    15594 trig.activate_trigger('graphics update', self) 
    15595 File
    15596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15597 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15598 trigger.activate(data) 
    15599 File
    15600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15601 packages/chimerax/core/triggerset.py", line 190, in activate 
    15602 ret = handler.invoke(data, self._remove_bad_handlers) 
    15603 File
    15604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15605 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15606 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15607 File
    15608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15609 packages/chimerax/core/session.py", line 943, in <lambda> 
    15610 logger.report_exception(preface=preface)) 
    15611 File
    15612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15613 packages/chimerax/core/logger.py", line 421, in report_exception 
    15614 elif probably_chimera1_session(exc_info): 
    15615 File
    15616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15617 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15618 etype, evalue, etraceback = exc_info 
    15619 TypeError: cannot unpack non-iterable NoneType object 
    15620  
    15621 TypeError: cannot unpack non-iterable NoneType object 
    15622  
    15623 File
    15624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15625 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15626 etype, evalue, etraceback = exc_info 
    15627  
    15628 See log for complete Python traceback. 
    15629  
    15630 Traceback (most recent call last): 
    15631 File
    15632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15633 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15634 return self._func(self._name, data) 
    15635 File
    15636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15637 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15638 if v.display: 
    15639 File
    15640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15641 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15642 return self._any_displayed_positions and len(self._positions) > 0 
    15643 TypeError: object of type 'NoneType' has no len() 
    15644  
    15645 During handling of the above exception, another exception occurred: 
    15646  
    15647 Traceback (most recent call last): 
    15648 File
    15649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15650 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15651 if not self.draw_new_frame(): 
    15652 File
    15653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15654 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15655 changed = view.check_for_drawing_change() 
    15656 File
    15657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15658 packages/chimerax/core/graphics/view.py", line 252, in
    15659 check_for_drawing_change 
    15660 trig.activate_trigger('graphics update', self) 
    15661 File
    15662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15663 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15664 trigger.activate(data) 
    15665 File
    15666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15667 packages/chimerax/core/triggerset.py", line 190, in activate 
    15668 ret = handler.invoke(data, self._remove_bad_handlers) 
    15669 File
    15670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15671 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15672 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15673 File
    15674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15675 packages/chimerax/core/session.py", line 943, in <lambda> 
    15676 logger.report_exception(preface=preface)) 
    15677 File
    15678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15679 packages/chimerax/core/logger.py", line 421, in report_exception 
    15680 elif probably_chimera1_session(exc_info): 
    15681 File
    15682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15683 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15684 etype, evalue, etraceback = exc_info 
    15685 TypeError: cannot unpack non-iterable NoneType object 
    15686  
    15687 TypeError: cannot unpack non-iterable NoneType object 
    15688  
    15689 File
    15690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15691 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15692 etype, evalue, etraceback = exc_info 
    15693  
    15694 See log for complete Python traceback. 
    15695  
    15696 Traceback (most recent call last): 
    15697 File
    15698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15699 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15700 return self._func(self._name, data) 
    15701 File
    15702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15703 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15704 if v.display: 
    15705 File
    15706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15707 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15708 return self._any_displayed_positions and len(self._positions) > 0 
    15709 TypeError: object of type 'NoneType' has no len() 
    15710  
    15711 During handling of the above exception, another exception occurred: 
    15712  
    15713 Traceback (most recent call last): 
    15714 File
    15715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15716 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15717 if not self.draw_new_frame(): 
    15718 File
    15719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15720 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15721 changed = view.check_for_drawing_change() 
    15722 File
    15723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15724 packages/chimerax/core/graphics/view.py", line 252, in
    15725 check_for_drawing_change 
    15726 trig.activate_trigger('graphics update', self) 
    15727 File
    15728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15729 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15730 trigger.activate(data) 
    15731 File
    15732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15733 packages/chimerax/core/triggerset.py", line 190, in activate 
    15734 ret = handler.invoke(data, self._remove_bad_handlers) 
    15735 File
    15736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15737 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15738 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15739 File
    15740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15741 packages/chimerax/core/session.py", line 943, in <lambda> 
    15742 logger.report_exception(preface=preface)) 
    15743 File
    15744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15745 packages/chimerax/core/logger.py", line 421, in report_exception 
    15746 elif probably_chimera1_session(exc_info): 
    15747 File
    15748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15749 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15750 etype, evalue, etraceback = exc_info 
    15751 TypeError: cannot unpack non-iterable NoneType object 
    15752  
    15753 TypeError: cannot unpack non-iterable NoneType object 
    15754  
    15755 File
    15756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15757 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15758 etype, evalue, etraceback = exc_info 
    15759  
    15760 See log for complete Python traceback. 
    15761  
    15762 Traceback (most recent call last): 
    15763 File
    15764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15765 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15766 return self._func(self._name, data) 
    15767 File
    15768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15769 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15770 if v.display: 
    15771 File
    15772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15773 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15774 return self._any_displayed_positions and len(self._positions) > 0 
    15775 TypeError: object of type 'NoneType' has no len() 
    15776  
    15777 During handling of the above exception, another exception occurred: 
    15778  
    15779 Traceback (most recent call last): 
    15780 File
    15781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15782 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15783 if not self.draw_new_frame(): 
    15784 File
    15785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15786 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15787 changed = view.check_for_drawing_change() 
    15788 File
    15789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15790 packages/chimerax/core/graphics/view.py", line 252, in
    15791 check_for_drawing_change 
    15792 trig.activate_trigger('graphics update', self) 
    15793 File
    15794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15795 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15796 trigger.activate(data) 
    15797 File
    15798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15799 packages/chimerax/core/triggerset.py", line 190, in activate 
    15800 ret = handler.invoke(data, self._remove_bad_handlers) 
    15801 File
    15802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15803 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15804 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15805 File
    15806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15807 packages/chimerax/core/session.py", line 943, in <lambda> 
    15808 logger.report_exception(preface=preface)) 
    15809 File
    15810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15811 packages/chimerax/core/logger.py", line 421, in report_exception 
    15812 elif probably_chimera1_session(exc_info): 
    15813 File
    15814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15815 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15816 etype, evalue, etraceback = exc_info 
    15817 TypeError: cannot unpack non-iterable NoneType object 
    15818  
    15819 TypeError: cannot unpack non-iterable NoneType object 
    15820  
    15821 File
    15822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15823 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15824 etype, evalue, etraceback = exc_info 
    15825  
    15826 See log for complete Python traceback. 
    15827  
    15828 Traceback (most recent call last): 
    15829 File
    15830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15831 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15832 return self._func(self._name, data) 
    15833 File
    15834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15835 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15836 if v.display: 
    15837 File
    15838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15839 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15840 return self._any_displayed_positions and len(self._positions) > 0 
    15841 TypeError: object of type 'NoneType' has no len() 
    15842  
    15843 During handling of the above exception, another exception occurred: 
    15844  
    15845 Traceback (most recent call last): 
    15846 File
    15847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15848 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15849 if not self.draw_new_frame(): 
    15850 File
    15851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15852 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15853 changed = view.check_for_drawing_change() 
    15854 File
    15855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15856 packages/chimerax/core/graphics/view.py", line 252, in
    15857 check_for_drawing_change 
    15858 trig.activate_trigger('graphics update', self) 
    15859 File
    15860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15861 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15862 trigger.activate(data) 
    15863 File
    15864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15865 packages/chimerax/core/triggerset.py", line 190, in activate 
    15866 ret = handler.invoke(data, self._remove_bad_handlers) 
    15867 File
    15868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15869 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15870 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15871 File
    15872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15873 packages/chimerax/core/session.py", line 943, in <lambda> 
    15874 logger.report_exception(preface=preface)) 
    15875 File
    15876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15877 packages/chimerax/core/logger.py", line 421, in report_exception 
    15878 elif probably_chimera1_session(exc_info): 
    15879 File
    15880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15881 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15882 etype, evalue, etraceback = exc_info 
    15883 TypeError: cannot unpack non-iterable NoneType object 
    15884  
    15885 TypeError: cannot unpack non-iterable NoneType object 
    15886  
    15887 File
    15888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15889 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15890 etype, evalue, etraceback = exc_info 
    15891  
    15892 See log for complete Python traceback. 
    15893  
    15894 Traceback (most recent call last): 
    15895 File
    15896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15897 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15898 return self._func(self._name, data) 
    15899 File
    15900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15901 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15902 if v.display: 
    15903 File
    15904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15905 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15906 return self._any_displayed_positions and len(self._positions) > 0 
    15907 TypeError: object of type 'NoneType' has no len() 
    15908  
    15909 During handling of the above exception, another exception occurred: 
    15910  
    15911 Traceback (most recent call last): 
    15912 File
    15913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15914 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15915 if not self.draw_new_frame(): 
    15916 File
    15917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15918 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15919 changed = view.check_for_drawing_change() 
    15920 File
    15921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15922 packages/chimerax/core/graphics/view.py", line 252, in
    15923 check_for_drawing_change 
    15924 trig.activate_trigger('graphics update', self) 
    15925 File
    15926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15927 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15928 trigger.activate(data) 
    15929 File
    15930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15931 packages/chimerax/core/triggerset.py", line 190, in activate 
    15932 ret = handler.invoke(data, self._remove_bad_handlers) 
    15933 File
    15934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15935 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15936 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15937 File
    15938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15939 packages/chimerax/core/session.py", line 943, in <lambda> 
    15940 logger.report_exception(preface=preface)) 
    15941 File
    15942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15943 packages/chimerax/core/logger.py", line 421, in report_exception 
    15944 elif probably_chimera1_session(exc_info): 
    15945 File
    15946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15947 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15948 etype, evalue, etraceback = exc_info 
    15949 TypeError: cannot unpack non-iterable NoneType object 
    15950  
    15951 TypeError: cannot unpack non-iterable NoneType object 
    15952  
    15953 File
    15954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15955 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15956 etype, evalue, etraceback = exc_info 
    15957  
    15958 See log for complete Python traceback. 
    15959  
    15960 Traceback (most recent call last): 
    15961 File
    15962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15963 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15964 return self._func(self._name, data) 
    15965 File
    15966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15967 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15968 if v.display: 
    15969 File
    15970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15971 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15972 return self._any_displayed_positions and len(self._positions) > 0 
    15973 TypeError: object of type 'NoneType' has no len() 
    15974  
    15975 During handling of the above exception, another exception occurred: 
    15976  
    15977 Traceback (most recent call last): 
    15978 File
    15979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15980 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15981 if not self.draw_new_frame(): 
    15982 File
    15983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15984 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15985 changed = view.check_for_drawing_change() 
    15986 File
    15987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15988 packages/chimerax/core/graphics/view.py", line 252, in
    15989 check_for_drawing_change 
    15990 trig.activate_trigger('graphics update', self) 
    15991 File
    15992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15993 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15994 trigger.activate(data) 
    15995 File
    15996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15997 packages/chimerax/core/triggerset.py", line 190, in activate 
    15998 ret = handler.invoke(data, self._remove_bad_handlers) 
    15999 File
    16000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16001 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16002 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16003 File
    16004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16005 packages/chimerax/core/session.py", line 943, in <lambda> 
    16006 logger.report_exception(preface=preface)) 
    16007 File
    16008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16009 packages/chimerax/core/logger.py", line 421, in report_exception 
    16010 elif probably_chimera1_session(exc_info): 
    16011 File
    16012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16013 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16014 etype, evalue, etraceback = exc_info 
    16015 TypeError: cannot unpack non-iterable NoneType object 
    16016  
    16017 TypeError: cannot unpack non-iterable NoneType object 
    16018  
    16019 File
    16020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16021 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16022 etype, evalue, etraceback = exc_info 
    16023  
    16024 See log for complete Python traceback. 
    16025  
    16026 Traceback (most recent call last): 
    16027 File
    16028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16029 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16030 return self._func(self._name, data) 
    16031 File
    16032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16033 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16034 if v.display: 
    16035 File
    16036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16037 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16038 return self._any_displayed_positions and len(self._positions) > 0 
    16039 TypeError: object of type 'NoneType' has no len() 
    16040  
    16041 During handling of the above exception, another exception occurred: 
    16042  
    16043 Traceback (most recent call last): 
    16044 File
    16045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16046 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16047 if not self.draw_new_frame(): 
    16048 File
    16049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16050 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16051 changed = view.check_for_drawing_change() 
    16052 File
    16053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16054 packages/chimerax/core/graphics/view.py", line 252, in
    16055 check_for_drawing_change 
    16056 trig.activate_trigger('graphics update', self) 
    16057 File
    16058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16059 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16060 trigger.activate(data) 
    16061 File
    16062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16063 packages/chimerax/core/triggerset.py", line 190, in activate 
    16064 ret = handler.invoke(data, self._remove_bad_handlers) 
    16065 File
    16066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16067 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16068 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16069 File
    16070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16071 packages/chimerax/core/session.py", line 943, in <lambda> 
    16072 logger.report_exception(preface=preface)) 
    16073 File
    16074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16075 packages/chimerax/core/logger.py", line 421, in report_exception 
    16076 elif probably_chimera1_session(exc_info): 
    16077 File
    16078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16079 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16080 etype, evalue, etraceback = exc_info 
    16081 TypeError: cannot unpack non-iterable NoneType object 
    16082  
    16083 TypeError: cannot unpack non-iterable NoneType object 
    16084  
    16085 File
    16086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16087 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16088 etype, evalue, etraceback = exc_info 
    16089  
    16090 See log for complete Python traceback. 
    16091  
    16092 Traceback (most recent call last): 
    16093 File
    16094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16095 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16096 return self._func(self._name, data) 
    16097 File
    16098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16099 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16100 if v.display: 
    16101 File
    16102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16103 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16104 return self._any_displayed_positions and len(self._positions) > 0 
    16105 TypeError: object of type 'NoneType' has no len() 
    16106  
    16107 During handling of the above exception, another exception occurred: 
    16108  
    16109 Traceback (most recent call last): 
    16110 File
    16111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16112 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16113 if not self.draw_new_frame(): 
    16114 File
    16115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16116 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16117 changed = view.check_for_drawing_change() 
    16118 File
    16119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16120 packages/chimerax/core/graphics/view.py", line 252, in
    16121 check_for_drawing_change 
    16122 trig.activate_trigger('graphics update', self) 
    16123 File
    16124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16125 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16126 trigger.activate(data) 
    16127 File
    16128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16129 packages/chimerax/core/triggerset.py", line 190, in activate 
    16130 ret = handler.invoke(data, self._remove_bad_handlers) 
    16131 File
    16132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16133 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16134 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16135 File
    16136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16137 packages/chimerax/core/session.py", line 943, in <lambda> 
    16138 logger.report_exception(preface=preface)) 
    16139 File
    16140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16141 packages/chimerax/core/logger.py", line 421, in report_exception 
    16142 elif probably_chimera1_session(exc_info): 
    16143 File
    16144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16145 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16146 etype, evalue, etraceback = exc_info 
    16147 TypeError: cannot unpack non-iterable NoneType object 
    16148  
    16149 TypeError: cannot unpack non-iterable NoneType object 
    16150  
    16151 File
    16152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16153 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16154 etype, evalue, etraceback = exc_info 
    16155  
    16156 See log for complete Python traceback. 
    16157  
    16158 Traceback (most recent call last): 
    16159 File
    16160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16161 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16162 return self._func(self._name, data) 
    16163 File
    16164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16165 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16166 if v.display: 
    16167 File
    16168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16169 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16170 return self._any_displayed_positions and len(self._positions) > 0 
    16171 TypeError: object of type 'NoneType' has no len() 
    16172  
    16173 During handling of the above exception, another exception occurred: 
    16174  
    16175 Traceback (most recent call last): 
    16176 File
    16177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16178 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16179 if not self.draw_new_frame(): 
    16180 File
    16181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16182 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16183 changed = view.check_for_drawing_change() 
    16184 File
    16185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16186 packages/chimerax/core/graphics/view.py", line 252, in
    16187 check_for_drawing_change 
    16188 trig.activate_trigger('graphics update', self) 
    16189 File
    16190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16191 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16192 trigger.activate(data) 
    16193 File
    16194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16195 packages/chimerax/core/triggerset.py", line 190, in activate 
    16196 ret = handler.invoke(data, self._remove_bad_handlers) 
    16197 File
    16198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16199 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16200 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16201 File
    16202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16203 packages/chimerax/core/session.py", line 943, in <lambda> 
    16204 logger.report_exception(preface=preface)) 
    16205 File
    16206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16207 packages/chimerax/core/logger.py", line 421, in report_exception 
    16208 elif probably_chimera1_session(exc_info): 
    16209 File
    16210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16211 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16212 etype, evalue, etraceback = exc_info 
    16213 TypeError: cannot unpack non-iterable NoneType object 
    16214  
    16215 TypeError: cannot unpack non-iterable NoneType object 
    16216  
    16217 File
    16218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16219 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16220 etype, evalue, etraceback = exc_info 
    16221  
    16222 See log for complete Python traceback. 
    16223  
    16224 Traceback (most recent call last): 
    16225 File
    16226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16227 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16228 return self._func(self._name, data) 
    16229 File
    16230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16231 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16232 if v.display: 
    16233 File
    16234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16235 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16236 return self._any_displayed_positions and len(self._positions) > 0 
    16237 TypeError: object of type 'NoneType' has no len() 
    16238  
    16239 During handling of the above exception, another exception occurred: 
    16240  
    16241 Traceback (most recent call last): 
    16242 File
    16243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16244 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16245 if not self.draw_new_frame(): 
    16246 File
    16247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16248 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16249 changed = view.check_for_drawing_change() 
    16250 File
    16251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16252 packages/chimerax/core/graphics/view.py", line 252, in
    16253 check_for_drawing_change 
    16254 trig.activate_trigger('graphics update', self) 
    16255 File
    16256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16257 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16258 trigger.activate(data) 
    16259 File
    16260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16261 packages/chimerax/core/triggerset.py", line 190, in activate 
    16262 ret = handler.invoke(data, self._remove_bad_handlers) 
    16263 File
    16264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16265 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16266 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16267 File
    16268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16269 packages/chimerax/core/session.py", line 943, in <lambda> 
    16270 logger.report_exception(preface=preface)) 
    16271 File
    16272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16273 packages/chimerax/core/logger.py", line 421, in report_exception 
    16274 elif probably_chimera1_session(exc_info): 
    16275 File
    16276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16277 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16278 etype, evalue, etraceback = exc_info 
    16279 TypeError: cannot unpack non-iterable NoneType object 
    16280  
    16281 TypeError: cannot unpack non-iterable NoneType object 
    16282  
    16283 File
    16284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16285 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16286 etype, evalue, etraceback = exc_info 
    16287  
    16288 See log for complete Python traceback. 
    16289  
    16290 Traceback (most recent call last): 
    16291 File
    16292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16293 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16294 return self._func(self._name, data) 
    16295 File
    16296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16297 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16298 if v.display: 
    16299 File
    16300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16301 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16302 return self._any_displayed_positions and len(self._positions) > 0 
    16303 TypeError: object of type 'NoneType' has no len() 
    16304  
    16305 During handling of the above exception, another exception occurred: 
    16306  
    16307 Traceback (most recent call last): 
    16308 File
    16309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16310 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16311 if not self.draw_new_frame(): 
    16312 File
    16313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16314 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16315 changed = view.check_for_drawing_change() 
    16316 File
    16317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16318 packages/chimerax/core/graphics/view.py", line 252, in
    16319 check_for_drawing_change 
    16320 trig.activate_trigger('graphics update', self) 
    16321 File
    16322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16323 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16324 trigger.activate(data) 
    16325 File
    16326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16327 packages/chimerax/core/triggerset.py", line 190, in activate 
    16328 ret = handler.invoke(data, self._remove_bad_handlers) 
    16329 File
    16330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16331 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16332 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16333 File
    16334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16335 packages/chimerax/core/session.py", line 943, in <lambda> 
    16336 logger.report_exception(preface=preface)) 
    16337 File
    16338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16339 packages/chimerax/core/logger.py", line 421, in report_exception 
    16340 elif probably_chimera1_session(exc_info): 
    16341 File
    16342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16343 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16344 etype, evalue, etraceback = exc_info 
    16345 TypeError: cannot unpack non-iterable NoneType object 
    16346  
    16347 TypeError: cannot unpack non-iterable NoneType object 
    16348  
    16349 File
    16350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16351 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16352 etype, evalue, etraceback = exc_info 
    16353  
    16354 See log for complete Python traceback. 
    16355  
    16356 Traceback (most recent call last): 
    16357 File
    16358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16359 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16360 return self._func(self._name, data) 
    16361 File
    16362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16363 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16364 if v.display: 
    16365 File
    16366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16367 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16368 return self._any_displayed_positions and len(self._positions) > 0 
    16369 TypeError: object of type 'NoneType' has no len() 
    16370  
    16371 During handling of the above exception, another exception occurred: 
    16372  
    16373 Traceback (most recent call last): 
    16374 File
    16375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16376 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16377 if not self.draw_new_frame(): 
    16378 File
    16379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16380 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16381 changed = view.check_for_drawing_change() 
    16382 File
    16383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16384 packages/chimerax/core/graphics/view.py", line 252, in
    16385 check_for_drawing_change 
    16386 trig.activate_trigger('graphics update', self) 
    16387 File
    16388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16389 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16390 trigger.activate(data) 
    16391 File
    16392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16393 packages/chimerax/core/triggerset.py", line 190, in activate 
    16394 ret = handler.invoke(data, self._remove_bad_handlers) 
    16395 File
    16396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16397 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16398 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16399 File
    16400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16401 packages/chimerax/core/session.py", line 943, in <lambda> 
    16402 logger.report_exception(preface=preface)) 
    16403 File
    16404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16405 packages/chimerax/core/logger.py", line 421, in report_exception 
    16406 elif probably_chimera1_session(exc_info): 
    16407 File
    16408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16409 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16410 etype, evalue, etraceback = exc_info 
    16411 TypeError: cannot unpack non-iterable NoneType object 
    16412  
    16413 TypeError: cannot unpack non-iterable NoneType object 
    16414  
    16415 File
    16416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16417 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16418 etype, evalue, etraceback = exc_info 
    16419  
    16420 See log for complete Python traceback. 
    16421  
    16422 Traceback (most recent call last): 
    16423 File
    16424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16425 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16426 return self._func(self._name, data) 
    16427 File
    16428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16429 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16430 if v.display: 
    16431 File
    16432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16433 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16434 return self._any_displayed_positions and len(self._positions) > 0 
    16435 TypeError: object of type 'NoneType' has no len() 
    16436  
    16437 During handling of the above exception, another exception occurred: 
    16438  
    16439 Traceback (most recent call last): 
    16440 File
    16441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16442 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16443 if not self.draw_new_frame(): 
    16444 File
    16445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16446 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16447 changed = view.check_for_drawing_change() 
    16448 File
    16449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16450 packages/chimerax/core/graphics/view.py", line 252, in
    16451 check_for_drawing_change 
    16452 trig.activate_trigger('graphics update', self) 
    16453 File
    16454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16455 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16456 trigger.activate(data) 
    16457 File
    16458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16459 packages/chimerax/core/triggerset.py", line 190, in activate 
    16460 ret = handler.invoke(data, self._remove_bad_handlers) 
    16461 File
    16462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16463 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16464 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16465 File
    16466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16467 packages/chimerax/core/session.py", line 943, in <lambda> 
    16468 logger.report_exception(preface=preface)) 
    16469 File
    16470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16471 packages/chimerax/core/logger.py", line 421, in report_exception 
    16472 elif probably_chimera1_session(exc_info): 
    16473 File
    16474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16475 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16476 etype, evalue, etraceback = exc_info 
    16477 TypeError: cannot unpack non-iterable NoneType object 
    16478  
    16479 TypeError: cannot unpack non-iterable NoneType object 
    16480  
    16481 File
    16482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16483 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16484 etype, evalue, etraceback = exc_info 
    16485  
    16486 See log for complete Python traceback. 
    16487  
    16488 Traceback (most recent call last): 
    16489 File
    16490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16491 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16492 return self._func(self._name, data) 
    16493 File
    16494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16495 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16496 if v.display: 
    16497 File
    16498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16499 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16500 return self._any_displayed_positions and len(self._positions) > 0 
    16501 TypeError: object of type 'NoneType' has no len() 
    16502  
    16503 During handling of the above exception, another exception occurred: 
    16504  
    16505 Traceback (most recent call last): 
    16506 File
    16507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16508 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16509 if not self.draw_new_frame(): 
    16510 File
    16511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16512 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16513 changed = view.check_for_drawing_change() 
    16514 File
    16515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16516 packages/chimerax/core/graphics/view.py", line 252, in
    16517 check_for_drawing_change 
    16518 trig.activate_trigger('graphics update', self) 
    16519 File
    16520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16521 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16522 trigger.activate(data) 
    16523 File
    16524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16525 packages/chimerax/core/triggerset.py", line 190, in activate 
    16526 ret = handler.invoke(data, self._remove_bad_handlers) 
    16527 File
    16528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16529 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16530 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16531 File
    16532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16533 packages/chimerax/core/session.py", line 943, in <lambda> 
    16534 logger.report_exception(preface=preface)) 
    16535 File
    16536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16537 packages/chimerax/core/logger.py", line 421, in report_exception 
    16538 elif probably_chimera1_session(exc_info): 
    16539 File
    16540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16541 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16542 etype, evalue, etraceback = exc_info 
    16543 TypeError: cannot unpack non-iterable NoneType object 
    16544  
    16545 TypeError: cannot unpack non-iterable NoneType object 
    16546  
    16547 File
    16548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16549 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16550 etype, evalue, etraceback = exc_info 
    16551  
    16552 See log for complete Python traceback. 
    16553  
    16554 Traceback (most recent call last): 
    16555 File
    16556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16557 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16558 return self._func(self._name, data) 
    16559 File
    16560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16561 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16562 if v.display: 
    16563 File
    16564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16565 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16566 return self._any_displayed_positions and len(self._positions) > 0 
    16567 TypeError: object of type 'NoneType' has no len() 
    16568  
    16569 During handling of the above exception, another exception occurred: 
    16570  
    16571 Traceback (most recent call last): 
    16572 File
    16573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16574 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16575 if not self.draw_new_frame(): 
    16576 File
    16577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16578 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16579 changed = view.check_for_drawing_change() 
    16580 File
    16581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16582 packages/chimerax/core/graphics/view.py", line 252, in
    16583 check_for_drawing_change 
    16584 trig.activate_trigger('graphics update', self) 
    16585 File
    16586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16587 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16588 trigger.activate(data) 
    16589 File
    16590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16591 packages/chimerax/core/triggerset.py", line 190, in activate 
    16592 ret = handler.invoke(data, self._remove_bad_handlers) 
    16593 File
    16594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16595 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16596 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16597 File
    16598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16599 packages/chimerax/core/session.py", line 943, in <lambda> 
    16600 logger.report_exception(preface=preface)) 
    16601 File
    16602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16603 packages/chimerax/core/logger.py", line 421, in report_exception 
    16604 elif probably_chimera1_session(exc_info): 
    16605 File
    16606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16607 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16608 etype, evalue, etraceback = exc_info 
    16609 TypeError: cannot unpack non-iterable NoneType object 
    16610  
    16611 TypeError: cannot unpack non-iterable NoneType object 
    16612  
    16613 File
    16614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16615 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16616 etype, evalue, etraceback = exc_info 
    16617  
    16618 See log for complete Python traceback. 
    16619  
    16620 Traceback (most recent call last): 
    16621 File
    16622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16623 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16624 return self._func(self._name, data) 
    16625 File
    16626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16627 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16628 if v.display: 
    16629 File
    16630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16631 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16632 return self._any_displayed_positions and len(self._positions) > 0 
    16633 TypeError: object of type 'NoneType' has no len() 
    16634  
    16635 During handling of the above exception, another exception occurred: 
    16636  
    16637 Traceback (most recent call last): 
    16638 File
    16639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16640 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16641 if not self.draw_new_frame(): 
    16642 File
    16643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16644 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16645 changed = view.check_for_drawing_change() 
    16646 File
    16647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16648 packages/chimerax/core/graphics/view.py", line 252, in
    16649 check_for_drawing_change 
    16650 trig.activate_trigger('graphics update', self) 
    16651 File
    16652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16653 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16654 trigger.activate(data) 
    16655 File
    16656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16657 packages/chimerax/core/triggerset.py", line 190, in activate 
    16658 ret = handler.invoke(data, self._remove_bad_handlers) 
    16659 File
    16660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16661 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16662 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16663 File
    16664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16665 packages/chimerax/core/session.py", line 943, in <lambda> 
    16666 logger.report_exception(preface=preface)) 
    16667 File
    16668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16669 packages/chimerax/core/logger.py", line 421, in report_exception 
    16670 elif probably_chimera1_session(exc_info): 
    16671 File
    16672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16673 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16674 etype, evalue, etraceback = exc_info 
    16675 TypeError: cannot unpack non-iterable NoneType object 
    16676  
    16677 TypeError: cannot unpack non-iterable NoneType object 
    16678  
    16679 File
    16680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16681 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16682 etype, evalue, etraceback = exc_info 
    16683  
    16684 See log for complete Python traceback. 
    16685  
    16686 Traceback (most recent call last): 
    16687 File
    16688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16689 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16690 return self._func(self._name, data) 
    16691 File
    16692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16693 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16694 if v.display: 
    16695 File
    16696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16697 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16698 return self._any_displayed_positions and len(self._positions) > 0 
    16699 TypeError: object of type 'NoneType' has no len() 
    16700  
    16701 During handling of the above exception, another exception occurred: 
    16702  
    16703 Traceback (most recent call last): 
    16704 File
    16705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16706 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16707 if not self.draw_new_frame(): 
    16708 File
    16709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16710 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16711 changed = view.check_for_drawing_change() 
    16712 File
    16713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16714 packages/chimerax/core/graphics/view.py", line 252, in
    16715 check_for_drawing_change 
    16716 trig.activate_trigger('graphics update', self) 
    16717 File
    16718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16719 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16720 trigger.activate(data) 
    16721 File
    16722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16723 packages/chimerax/core/triggerset.py", line 190, in activate 
    16724 ret = handler.invoke(data, self._remove_bad_handlers) 
    16725 File
    16726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16727 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16728 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16729 File
    16730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16731 packages/chimerax/core/session.py", line 943, in <lambda> 
    16732 logger.report_exception(preface=preface)) 
    16733 File
    16734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16735 packages/chimerax/core/logger.py", line 421, in report_exception 
    16736 elif probably_chimera1_session(exc_info): 
    16737 File
    16738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16739 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16740 etype, evalue, etraceback = exc_info 
    16741 TypeError: cannot unpack non-iterable NoneType object 
    16742  
    16743 TypeError: cannot unpack non-iterable NoneType object 
    16744  
    16745 File
    16746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16747 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16748 etype, evalue, etraceback = exc_info 
    16749  
    16750 See log for complete Python traceback. 
    16751  
    16752 Traceback (most recent call last): 
    16753 File
    16754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16755 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16756 return self._func(self._name, data) 
    16757 File
    16758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16759 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16760 if v.display: 
    16761 File
    16762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16763 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16764 return self._any_displayed_positions and len(self._positions) > 0 
    16765 TypeError: object of type 'NoneType' has no len() 
    16766  
    16767 During handling of the above exception, another exception occurred: 
    16768  
    16769 Traceback (most recent call last): 
    16770 File
    16771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16772 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16773 if not self.draw_new_frame(): 
    16774 File
    16775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16776 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16777 changed = view.check_for_drawing_change() 
    16778 File
    16779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16780 packages/chimerax/core/graphics/view.py", line 252, in
    16781 check_for_drawing_change 
    16782 trig.activate_trigger('graphics update', self) 
    16783 File
    16784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16785 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16786 trigger.activate(data) 
    16787 File
    16788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16789 packages/chimerax/core/triggerset.py", line 190, in activate 
    16790 ret = handler.invoke(data, self._remove_bad_handlers) 
    16791 File
    16792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16793 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16794 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16795 File
    16796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16797 packages/chimerax/core/session.py", line 943, in <lambda> 
    16798 logger.report_exception(preface=preface)) 
    16799 File
    16800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16801 packages/chimerax/core/logger.py", line 421, in report_exception 
    16802 elif probably_chimera1_session(exc_info): 
    16803 File
    16804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16805 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16806 etype, evalue, etraceback = exc_info 
    16807 TypeError: cannot unpack non-iterable NoneType object 
    16808  
    16809 TypeError: cannot unpack non-iterable NoneType object 
    16810  
    16811 File
    16812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16813 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16814 etype, evalue, etraceback = exc_info 
    16815  
    16816 See log for complete Python traceback. 
    16817  
    16818 Traceback (most recent call last): 
    16819 File
    16820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16821 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16822 return self._func(self._name, data) 
    16823 File
    16824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16825 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16826 if v.display: 
    16827 File
    16828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16829 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16830 return self._any_displayed_positions and len(self._positions) > 0 
    16831 TypeError: object of type 'NoneType' has no len() 
    16832  
    16833 During handling of the above exception, another exception occurred: 
    16834  
    16835 Traceback (most recent call last): 
    16836 File
    16837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16838 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16839 if not self.draw_new_frame(): 
    16840 File
    16841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16842 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16843 changed = view.check_for_drawing_change() 
    16844 File
    16845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16846 packages/chimerax/core/graphics/view.py", line 252, in
    16847 check_for_drawing_change 
    16848 trig.activate_trigger('graphics update', self) 
    16849 File
    16850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16851 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16852 trigger.activate(data) 
    16853 File
    16854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16855 packages/chimerax/core/triggerset.py", line 190, in activate 
    16856 ret = handler.invoke(data, self._remove_bad_handlers) 
    16857 File
    16858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16859 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16860 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16861 File
    16862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16863 packages/chimerax/core/session.py", line 943, in <lambda> 
    16864 logger.report_exception(preface=preface)) 
    16865 File
    16866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16867 packages/chimerax/core/logger.py", line 421, in report_exception 
    16868 elif probably_chimera1_session(exc_info): 
    16869 File
    16870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16871 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16872 etype, evalue, etraceback = exc_info 
    16873 TypeError: cannot unpack non-iterable NoneType object 
    16874  
    16875 TypeError: cannot unpack non-iterable NoneType object 
    16876  
    16877 File
    16878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16879 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16880 etype, evalue, etraceback = exc_info 
    16881  
    16882 See log for complete Python traceback. 
    16883  
    16884 Traceback (most recent call last): 
    16885 File
    16886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16887 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16888 return self._func(self._name, data) 
    16889 File
    16890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16891 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16892 if v.display: 
    16893 File
    16894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16895 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16896 return self._any_displayed_positions and len(self._positions) > 0 
    16897 TypeError: object of type 'NoneType' has no len() 
    16898  
    16899 During handling of the above exception, another exception occurred: 
    16900  
    16901 Traceback (most recent call last): 
    16902 File
    16903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16904 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16905 if not self.draw_new_frame(): 
    16906 File
    16907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16908 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16909 changed = view.check_for_drawing_change() 
    16910 File
    16911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16912 packages/chimerax/core/graphics/view.py", line 252, in
    16913 check_for_drawing_change 
    16914 trig.activate_trigger('graphics update', self) 
    16915 File
    16916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16917 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16918 trigger.activate(data) 
    16919 File
    16920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16921 packages/chimerax/core/triggerset.py", line 190, in activate 
    16922 ret = handler.invoke(data, self._remove_bad_handlers) 
    16923 File
    16924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16925 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16926 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16927 File
    16928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16929 packages/chimerax/core/session.py", line 943, in <lambda> 
    16930 logger.report_exception(preface=preface)) 
    16931 File
    16932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16933 packages/chimerax/core/logger.py", line 421, in report_exception 
    16934 elif probably_chimera1_session(exc_info): 
    16935 File
    16936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16937 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16938 etype, evalue, etraceback = exc_info 
    16939 TypeError: cannot unpack non-iterable NoneType object 
    16940  
    16941 TypeError: cannot unpack non-iterable NoneType object 
    16942  
    16943 File
    16944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16945 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16946 etype, evalue, etraceback = exc_info 
    16947  
    16948 See log for complete Python traceback. 
    16949  
    16950 Traceback (most recent call last): 
    16951 File
    16952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16953 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16954 return self._func(self._name, data) 
    16955 File
    16956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16957 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16958 if v.display: 
    16959 File
    16960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16961 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16962 return self._any_displayed_positions and len(self._positions) > 0 
    16963 TypeError: object of type 'NoneType' has no len() 
    16964  
    16965 During handling of the above exception, another exception occurred: 
    16966  
    16967 Traceback (most recent call last): 
    16968 File
    16969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16970 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16971 if not self.draw_new_frame(): 
    16972 File
    16973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16974 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16975 changed = view.check_for_drawing_change() 
    16976 File
    16977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16978 packages/chimerax/core/graphics/view.py", line 252, in
    16979 check_for_drawing_change 
    16980 trig.activate_trigger('graphics update', self) 
    16981 File
    16982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16983 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16984 trigger.activate(data) 
    16985 File
    16986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16987 packages/chimerax/core/triggerset.py", line 190, in activate 
    16988 ret = handler.invoke(data, self._remove_bad_handlers) 
    16989 File
    16990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16991 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16992 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16993 File
    16994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16995 packages/chimerax/core/session.py", line 943, in <lambda> 
    16996 logger.report_exception(preface=preface)) 
    16997 File
    16998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16999 packages/chimerax/core/logger.py", line 421, in report_exception 
    17000 elif probably_chimera1_session(exc_info): 
    17001 File
    17002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17003 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17004 etype, evalue, etraceback = exc_info 
    17005 TypeError: cannot unpack non-iterable NoneType object 
    17006  
    17007 TypeError: cannot unpack non-iterable NoneType object 
    17008  
    17009 File
    17010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17011 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17012 etype, evalue, etraceback = exc_info 
    17013  
    17014 See log for complete Python traceback. 
    17015  
    17016 Traceback (most recent call last): 
    17017 File
    17018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17019 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17020 return self._func(self._name, data) 
    17021 File
    17022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17023 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17024 if v.display: 
    17025 File
    17026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17027 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17028 return self._any_displayed_positions and len(self._positions) > 0 
    17029 TypeError: object of type 'NoneType' has no len() 
    17030  
    17031 During handling of the above exception, another exception occurred: 
    17032  
    17033 Traceback (most recent call last): 
    17034 File
    17035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17036 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17037 if not self.draw_new_frame(): 
    17038 File
    17039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17040 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17041 changed = view.check_for_drawing_change() 
    17042 File
    17043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17044 packages/chimerax/core/graphics/view.py", line 252, in
    17045 check_for_drawing_change 
    17046 trig.activate_trigger('graphics update', self) 
    17047 File
    17048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17049 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17050 trigger.activate(data) 
    17051 File
    17052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17053 packages/chimerax/core/triggerset.py", line 190, in activate 
    17054 ret = handler.invoke(data, self._remove_bad_handlers) 
    17055 File
    17056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17057 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17058 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17059 File
    17060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17061 packages/chimerax/core/session.py", line 943, in <lambda> 
    17062 logger.report_exception(preface=preface)) 
    17063 File
    17064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17065 packages/chimerax/core/logger.py", line 421, in report_exception 
    17066 elif probably_chimera1_session(exc_info): 
    17067 File
    17068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17069 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17070 etype, evalue, etraceback = exc_info 
    17071 TypeError: cannot unpack non-iterable NoneType object 
    17072  
    17073 TypeError: cannot unpack non-iterable NoneType object 
    17074  
    17075 File
    17076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17077 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17078 etype, evalue, etraceback = exc_info 
    17079  
    17080 See log for complete Python traceback. 
    17081  
    17082 Traceback (most recent call last): 
    17083 File
    17084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17085 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17086 return self._func(self._name, data) 
    17087 File
    17088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17089 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17090 if v.display: 
    17091 File
    17092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17093 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17094 return self._any_displayed_positions and len(self._positions) > 0 
    17095 TypeError: object of type 'NoneType' has no len() 
    17096  
    17097 During handling of the above exception, another exception occurred: 
    17098  
    17099 Traceback (most recent call last): 
    17100 File
    17101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17102 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17103 if not self.draw_new_frame(): 
    17104 File
    17105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17106 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17107 changed = view.check_for_drawing_change() 
    17108 File
    17109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17110 packages/chimerax/core/graphics/view.py", line 252, in
    17111 check_for_drawing_change 
    17112 trig.activate_trigger('graphics update', self) 
    17113 File
    17114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17115 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17116 trigger.activate(data) 
    17117 File
    17118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17119 packages/chimerax/core/triggerset.py", line 190, in activate 
    17120 ret = handler.invoke(data, self._remove_bad_handlers) 
    17121 File
    17122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17123 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17124 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17125 File
    17126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17127 packages/chimerax/core/session.py", line 943, in <lambda> 
    17128 logger.report_exception(preface=preface)) 
    17129 File
    17130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17131 packages/chimerax/core/logger.py", line 421, in report_exception 
    17132 elif probably_chimera1_session(exc_info): 
    17133 File
    17134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17135 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17136 etype, evalue, etraceback = exc_info 
    17137 TypeError: cannot unpack non-iterable NoneType object 
    17138  
    17139 TypeError: cannot unpack non-iterable NoneType object 
    17140  
    17141 File
    17142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17143 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17144 etype, evalue, etraceback = exc_info 
    17145  
    17146 See log for complete Python traceback. 
    17147  
    17148 Traceback (most recent call last): 
    17149 File
    17150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17151 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17152 return self._func(self._name, data) 
    17153 File
    17154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17155 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17156 if v.display: 
    17157 File
    17158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17159 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17160 return self._any_displayed_positions and len(self._positions) > 0 
    17161 TypeError: object of type 'NoneType' has no len() 
    17162  
    17163 During handling of the above exception, another exception occurred: 
    17164  
    17165 Traceback (most recent call last): 
    17166 File
    17167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17168 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17169 if not self.draw_new_frame(): 
    17170 File
    17171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17172 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17173 changed = view.check_for_drawing_change() 
    17174 File
    17175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17176 packages/chimerax/core/graphics/view.py", line 252, in
    17177 check_for_drawing_change 
    17178 trig.activate_trigger('graphics update', self) 
    17179 File
    17180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17181 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17182 trigger.activate(data) 
    17183 File
    17184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17185 packages/chimerax/core/triggerset.py", line 190, in activate 
    17186 ret = handler.invoke(data, self._remove_bad_handlers) 
    17187 File
    17188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17189 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17190 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17191 File
    17192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17193 packages/chimerax/core/session.py", line 943, in <lambda> 
    17194 logger.report_exception(preface=preface)) 
    17195 File
    17196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17197 packages/chimerax/core/logger.py", line 421, in report_exception 
    17198 elif probably_chimera1_session(exc_info): 
    17199 File
    17200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17201 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17202 etype, evalue, etraceback = exc_info 
    17203 TypeError: cannot unpack non-iterable NoneType object 
    17204  
    17205 TypeError: cannot unpack non-iterable NoneType object 
    17206  
    17207 File
    17208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17209 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17210 etype, evalue, etraceback = exc_info 
    17211  
    17212 See log for complete Python traceback. 
    17213  
    17214 Traceback (most recent call last): 
    17215 File
    17216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17217 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17218 return self._func(self._name, data) 
    17219 File
    17220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17221 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17222 if v.display: 
    17223 File
    17224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17225 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17226 return self._any_displayed_positions and len(self._positions) > 0 
    17227 TypeError: object of type 'NoneType' has no len() 
    17228  
    17229 During handling of the above exception, another exception occurred: 
    17230  
    17231 Traceback (most recent call last): 
    17232 File
    17233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17234 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17235 if not self.draw_new_frame(): 
    17236 File
    17237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17238 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17239 changed = view.check_for_drawing_change() 
    17240 File
    17241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17242 packages/chimerax/core/graphics/view.py", line 252, in
    17243 check_for_drawing_change 
    17244 trig.activate_trigger('graphics update', self) 
    17245 File
    17246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17247 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17248 trigger.activate(data) 
    17249 File
    17250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17251 packages/chimerax/core/triggerset.py", line 190, in activate 
    17252 ret = handler.invoke(data, self._remove_bad_handlers) 
    17253 File
    17254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17255 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17256 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17257 File
    17258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17259 packages/chimerax/core/session.py", line 943, in <lambda> 
    17260 logger.report_exception(preface=preface)) 
    17261 File
    17262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17263 packages/chimerax/core/logger.py", line 421, in report_exception 
    17264 elif probably_chimera1_session(exc_info): 
    17265 File
    17266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17267 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17268 etype, evalue, etraceback = exc_info 
    17269 TypeError: cannot unpack non-iterable NoneType object 
    17270  
    17271 TypeError: cannot unpack non-iterable NoneType object 
    17272  
    17273 File
    17274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17275 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17276 etype, evalue, etraceback = exc_info 
    17277  
    17278 See log for complete Python traceback. 
    17279  
    17280 Traceback (most recent call last): 
    17281 File
    17282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17283 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17284 return self._func(self._name, data) 
    17285 File
    17286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17287 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17288 if v.display: 
    17289 File
    17290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17291 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17292 return self._any_displayed_positions and len(self._positions) > 0 
    17293 TypeError: object of type 'NoneType' has no len() 
    17294  
    17295 During handling of the above exception, another exception occurred: 
    17296  
    17297 Traceback (most recent call last): 
    17298 File
    17299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17300 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17301 if not self.draw_new_frame(): 
    17302 File
    17303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17304 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17305 changed = view.check_for_drawing_change() 
    17306 File
    17307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17308 packages/chimerax/core/graphics/view.py", line 252, in
    17309 check_for_drawing_change 
    17310 trig.activate_trigger('graphics update', self) 
    17311 File
    17312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17313 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17314 trigger.activate(data) 
    17315 File
    17316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17317 packages/chimerax/core/triggerset.py", line 190, in activate 
    17318 ret = handler.invoke(data, self._remove_bad_handlers) 
    17319 File
    17320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17321 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17322 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17323 File
    17324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17325 packages/chimerax/core/session.py", line 943, in <lambda> 
    17326 logger.report_exception(preface=preface)) 
    17327 File
    17328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17329 packages/chimerax/core/logger.py", line 421, in report_exception 
    17330 elif probably_chimera1_session(exc_info): 
    17331 File
    17332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17333 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17334 etype, evalue, etraceback = exc_info 
    17335 TypeError: cannot unpack non-iterable NoneType object 
    17336  
    17337 TypeError: cannot unpack non-iterable NoneType object 
    17338  
    17339 File
    17340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17341 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17342 etype, evalue, etraceback = exc_info 
    17343  
    17344 See log for complete Python traceback. 
    17345  
    17346 Traceback (most recent call last): 
    17347 File
    17348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17349 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17350 return self._func(self._name, data) 
    17351 File
    17352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17353 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17354 if v.display: 
    17355 File
    17356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17357 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17358 return self._any_displayed_positions and len(self._positions) > 0 
    17359 TypeError: object of type 'NoneType' has no len() 
    17360  
    17361 During handling of the above exception, another exception occurred: 
    17362  
    17363 Traceback (most recent call last): 
    17364 File
    17365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17366 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17367 if not self.draw_new_frame(): 
    17368 File
    17369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17370 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17371 changed = view.check_for_drawing_change() 
    17372 File
    17373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17374 packages/chimerax/core/graphics/view.py", line 252, in
    17375 check_for_drawing_change 
    17376 trig.activate_trigger('graphics update', self) 
    17377 File
    17378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17379 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17380 trigger.activate(data) 
    17381 File
    17382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17383 packages/chimerax/core/triggerset.py", line 190, in activate 
    17384 ret = handler.invoke(data, self._remove_bad_handlers) 
    17385 File
    17386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17387 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17388 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17389 File
    17390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17391 packages/chimerax/core/session.py", line 943, in <lambda> 
    17392 logger.report_exception(preface=preface)) 
    17393 File
    17394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17395 packages/chimerax/core/logger.py", line 421, in report_exception 
    17396 elif probably_chimera1_session(exc_info): 
    17397 File
    17398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17399 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17400 etype, evalue, etraceback = exc_info 
    17401 TypeError: cannot unpack non-iterable NoneType object 
    17402  
    17403 TypeError: cannot unpack non-iterable NoneType object 
    17404  
    17405 File
    17406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17407 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17408 etype, evalue, etraceback = exc_info 
    17409  
    17410 See log for complete Python traceback. 
    17411  
    17412 Traceback (most recent call last): 
    17413 File
    17414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17415 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17416 return self._func(self._name, data) 
    17417 File
    17418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17419 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17420 if v.display: 
    17421 File
    17422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17423 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17424 return self._any_displayed_positions and len(self._positions) > 0 
    17425 TypeError: object of type 'NoneType' has no len() 
    17426  
    17427 During handling of the above exception, another exception occurred: 
    17428  
    17429 Traceback (most recent call last): 
    17430 File
    17431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17432 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17433 if not self.draw_new_frame(): 
    17434 File
    17435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17436 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17437 changed = view.check_for_drawing_change() 
    17438 File
    17439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17440 packages/chimerax/core/graphics/view.py", line 252, in
    17441 check_for_drawing_change 
    17442 trig.activate_trigger('graphics update', self) 
    17443 File
    17444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17445 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17446 trigger.activate(data) 
    17447 File
    17448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17449 packages/chimerax/core/triggerset.py", line 190, in activate 
    17450 ret = handler.invoke(data, self._remove_bad_handlers) 
    17451 File
    17452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17453 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17454 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17455 File
    17456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17457 packages/chimerax/core/session.py", line 943, in <lambda> 
    17458 logger.report_exception(preface=preface)) 
    17459 File
    17460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17461 packages/chimerax/core/logger.py", line 421, in report_exception 
    17462 elif probably_chimera1_session(exc_info): 
    17463 File
    17464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17465 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17466 etype, evalue, etraceback = exc_info 
    17467 TypeError: cannot unpack non-iterable NoneType object 
    17468  
    17469 TypeError: cannot unpack non-iterable NoneType object 
    17470  
    17471 File
    17472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17473 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17474 etype, evalue, etraceback = exc_info 
    17475  
    17476 See log for complete Python traceback. 
    17477  
    17478 Traceback (most recent call last): 
    17479 File
    17480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17481 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17482 return self._func(self._name, data) 
    17483 File
    17484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17485 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17486 if v.display: 
    17487 File
    17488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17489 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17490 return self._any_displayed_positions and len(self._positions) > 0 
    17491 TypeError: object of type 'NoneType' has no len() 
    17492  
    17493 During handling of the above exception, another exception occurred: 
    17494  
    17495 Traceback (most recent call last): 
    17496 File
    17497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17498 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17499 if not self.draw_new_frame(): 
    17500 File
    17501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17502 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17503 changed = view.check_for_drawing_change() 
    17504 File
    17505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17506 packages/chimerax/core/graphics/view.py", line 252, in
    17507 check_for_drawing_change 
    17508 trig.activate_trigger('graphics update', self) 
    17509 File
    17510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17511 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17512 trigger.activate(data) 
    17513 File
    17514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17515 packages/chimerax/core/triggerset.py", line 190, in activate 
    17516 ret = handler.invoke(data, self._remove_bad_handlers) 
    17517 File
    17518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17519 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17520 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17521 File
    17522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17523 packages/chimerax/core/session.py", line 943, in <lambda> 
    17524 logger.report_exception(preface=preface)) 
    17525 File
    17526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17527 packages/chimerax/core/logger.py", line 421, in report_exception 
    17528 elif probably_chimera1_session(exc_info): 
    17529 File
    17530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17531 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17532 etype, evalue, etraceback = exc_info 
    17533 TypeError: cannot unpack non-iterable NoneType object 
    17534  
    17535 TypeError: cannot unpack non-iterable NoneType object 
    17536  
    17537 File
    17538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17539 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17540 etype, evalue, etraceback = exc_info 
    17541  
    17542 See log for complete Python traceback. 
    17543  
    17544 Traceback (most recent call last): 
    17545 File
    17546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17547 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17548 return self._func(self._name, data) 
    17549 File
    17550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17551 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17552 if v.display: 
    17553 File
    17554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17555 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17556 return self._any_displayed_positions and len(self._positions) > 0 
    17557 TypeError: object of type 'NoneType' has no len() 
    17558  
    17559 During handling of the above exception, another exception occurred: 
    17560  
    17561 Traceback (most recent call last): 
    17562 File
    17563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17564 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17565 if not self.draw_new_frame(): 
    17566 File
    17567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17568 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17569 changed = view.check_for_drawing_change() 
    17570 File
    17571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17572 packages/chimerax/core/graphics/view.py", line 252, in
    17573 check_for_drawing_change 
    17574 trig.activate_trigger('graphics update', self) 
    17575 File
    17576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17577 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17578 trigger.activate(data) 
    17579 File
    17580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17581 packages/chimerax/core/triggerset.py", line 190, in activate 
    17582 ret = handler.invoke(data, self._remove_bad_handlers) 
    17583 File
    17584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17585 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17586 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17587 File
    17588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17589 packages/chimerax/core/session.py", line 943, in <lambda> 
    17590 logger.report_exception(preface=preface)) 
    17591 File
    17592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17593 packages/chimerax/core/logger.py", line 421, in report_exception 
    17594 elif probably_chimera1_session(exc_info): 
    17595 File
    17596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17597 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17598 etype, evalue, etraceback = exc_info 
    17599 TypeError: cannot unpack non-iterable NoneType object 
    17600  
    17601 TypeError: cannot unpack non-iterable NoneType object 
    17602  
    17603 File
    17604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17605 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17606 etype, evalue, etraceback = exc_info 
    17607  
    17608 See log for complete Python traceback. 
    17609  
    17610 Traceback (most recent call last): 
    17611 File
    17612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17613 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17614 return self._func(self._name, data) 
    17615 File
    17616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17617 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17618 if v.display: 
    17619 File
    17620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17621 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17622 return self._any_displayed_positions and len(self._positions) > 0 
    17623 TypeError: object of type 'NoneType' has no len() 
    17624  
    17625 During handling of the above exception, another exception occurred: 
    17626  
    17627 Traceback (most recent call last): 
    17628 File
    17629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17630 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17631 if not self.draw_new_frame(): 
    17632 File
    17633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17634 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17635 changed = view.check_for_drawing_change() 
    17636 File
    17637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17638 packages/chimerax/core/graphics/view.py", line 252, in
    17639 check_for_drawing_change 
    17640 trig.activate_trigger('graphics update', self) 
    17641 File
    17642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17643 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17644 trigger.activate(data) 
    17645 File
    17646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17647 packages/chimerax/core/triggerset.py", line 190, in activate 
    17648 ret = handler.invoke(data, self._remove_bad_handlers) 
    17649 File
    17650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17651 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17652 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17653 File
    17654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17655 packages/chimerax/core/session.py", line 943, in <lambda> 
    17656 logger.report_exception(preface=preface)) 
    17657 File
    17658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17659 packages/chimerax/core/logger.py", line 421, in report_exception 
    17660 elif probably_chimera1_session(exc_info): 
    17661 File
    17662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17663 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17664 etype, evalue, etraceback = exc_info 
    17665 TypeError: cannot unpack non-iterable NoneType object 
    17666  
    17667 TypeError: cannot unpack non-iterable NoneType object 
    17668  
    17669 File
    17670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17671 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17672 etype, evalue, etraceback = exc_info 
    17673  
    17674 See log for complete Python traceback. 
    17675  
    17676 Traceback (most recent call last): 
    17677 File
    17678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17679 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17680 return self._func(self._name, data) 
    17681 File
    17682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17683 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17684 if v.display: 
    17685 File
    17686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17687 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17688 return self._any_displayed_positions and len(self._positions) > 0 
    17689 TypeError: object of type 'NoneType' has no len() 
    17690  
    17691 During handling of the above exception, another exception occurred: 
    17692  
    17693 Traceback (most recent call last): 
    17694 File
    17695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17696 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17697 if not self.draw_new_frame(): 
    17698 File
    17699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17700 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17701 changed = view.check_for_drawing_change() 
    17702 File
    17703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17704 packages/chimerax/core/graphics/view.py", line 252, in
    17705 check_for_drawing_change 
    17706 trig.activate_trigger('graphics update', self) 
    17707 File
    17708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17709 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17710 trigger.activate(data) 
    17711 File
    17712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17713 packages/chimerax/core/triggerset.py", line 190, in activate 
    17714 ret = handler.invoke(data, self._remove_bad_handlers) 
    17715 File
    17716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17717 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17718 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17719 File
    17720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17721 packages/chimerax/core/session.py", line 943, in <lambda> 
    17722 logger.report_exception(preface=preface)) 
    17723 File
    17724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17725 packages/chimerax/core/logger.py", line 421, in report_exception 
    17726 elif probably_chimera1_session(exc_info): 
    17727 File
    17728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17729 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17730 etype, evalue, etraceback = exc_info 
    17731 TypeError: cannot unpack non-iterable NoneType object 
    17732  
    17733 TypeError: cannot unpack non-iterable NoneType object 
    17734  
    17735 File
    17736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17737 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17738 etype, evalue, etraceback = exc_info 
    17739  
    17740 See log for complete Python traceback. 
    17741  
    17742 Traceback (most recent call last): 
    17743 File
    17744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17745 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17746 return self._func(self._name, data) 
    17747 File
    17748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17749 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17750 if v.display: 
    17751 File
    17752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17753 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17754 return self._any_displayed_positions and len(self._positions) > 0 
    17755 TypeError: object of type 'NoneType' has no len() 
    17756  
    17757 During handling of the above exception, another exception occurred: 
    17758  
    17759 Traceback (most recent call last): 
    17760 File
    17761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17762 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17763 if not self.draw_new_frame(): 
    17764 File
    17765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17766 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17767 changed = view.check_for_drawing_change() 
    17768 File
    17769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17770 packages/chimerax/core/graphics/view.py", line 252, in
    17771 check_for_drawing_change 
    17772 trig.activate_trigger('graphics update', self) 
    17773 File
    17774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17775 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17776 trigger.activate(data) 
    17777 File
    17778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17779 packages/chimerax/core/triggerset.py", line 190, in activate 
    17780 ret = handler.invoke(data, self._remove_bad_handlers) 
    17781 File
    17782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17783 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17784 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17785 File
    17786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17787 packages/chimerax/core/session.py", line 943, in <lambda> 
    17788 logger.report_exception(preface=preface)) 
    17789 File
    17790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17791 packages/chimerax/core/logger.py", line 421, in report_exception 
    17792 elif probably_chimera1_session(exc_info): 
    17793 File
    17794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17795 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17796 etype, evalue, etraceback = exc_info 
    17797 TypeError: cannot unpack non-iterable NoneType object 
    17798  
    17799 TypeError: cannot unpack non-iterable NoneType object 
    17800  
    17801 File
    17802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17803 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17804 etype, evalue, etraceback = exc_info 
    17805  
    17806 See log for complete Python traceback. 
    17807  
    17808 Traceback (most recent call last): 
    17809 File
    17810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17811 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17812 return self._func(self._name, data) 
    17813 File
    17814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17815 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17816 if v.display: 
    17817 File
    17818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17819 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17820 return self._any_displayed_positions and len(self._positions) > 0 
    17821 TypeError: object of type 'NoneType' has no len() 
    17822  
    17823 During handling of the above exception, another exception occurred: 
    17824  
    17825 Traceback (most recent call last): 
    17826 File
    17827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17828 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17829 if not self.draw_new_frame(): 
    17830 File
    17831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17832 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17833 changed = view.check_for_drawing_change() 
    17834 File
    17835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17836 packages/chimerax/core/graphics/view.py", line 252, in
    17837 check_for_drawing_change 
    17838 trig.activate_trigger('graphics update', self) 
    17839 File
    17840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17841 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17842 trigger.activate(data) 
    17843 File
    17844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17845 packages/chimerax/core/triggerset.py", line 190, in activate 
    17846 ret = handler.invoke(data, self._remove_bad_handlers) 
    17847 File
    17848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17849 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17850 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17851 File
    17852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17853 packages/chimerax/core/session.py", line 943, in <lambda> 
    17854 logger.report_exception(preface=preface)) 
    17855 File
    17856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17857 packages/chimerax/core/logger.py", line 421, in report_exception 
    17858 elif probably_chimera1_session(exc_info): 
    17859 File
    17860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17861 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17862 etype, evalue, etraceback = exc_info 
    17863 TypeError: cannot unpack non-iterable NoneType object 
    17864  
    17865 TypeError: cannot unpack non-iterable NoneType object 
    17866  
    17867 File
    17868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17869 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17870 etype, evalue, etraceback = exc_info 
    17871  
    17872 See log for complete Python traceback. 
    17873  
    17874 Traceback (most recent call last): 
    17875 File
    17876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17877 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17878 return self._func(self._name, data) 
    17879 File
    17880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17881 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17882 if v.display: 
    17883 File
    17884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17885 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17886 return self._any_displayed_positions and len(self._positions) > 0 
    17887 TypeError: object of type 'NoneType' has no len() 
    17888  
    17889 During handling of the above exception, another exception occurred: 
    17890  
    17891 Traceback (most recent call last): 
    17892 File
    17893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17894 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17895 if not self.draw_new_frame(): 
    17896 File
    17897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17898 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17899 changed = view.check_for_drawing_change() 
    17900 File
    17901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17902 packages/chimerax/core/graphics/view.py", line 252, in
    17903 check_for_drawing_change 
    17904 trig.activate_trigger('graphics update', self) 
    17905 File
    17906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17907 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17908 trigger.activate(data) 
    17909 File
    17910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17911 packages/chimerax/core/triggerset.py", line 190, in activate 
    17912 ret = handler.invoke(data, self._remove_bad_handlers) 
    17913 File
    17914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17915 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17916 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17917 File
    17918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17919 packages/chimerax/core/session.py", line 943, in <lambda> 
    17920 logger.report_exception(preface=preface)) 
    17921 File
    17922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17923 packages/chimerax/core/logger.py", line 421, in report_exception 
    17924 elif probably_chimera1_session(exc_info): 
    17925 File
    17926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17927 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17928 etype, evalue, etraceback = exc_info 
    17929 TypeError: cannot unpack non-iterable NoneType object 
    17930  
    17931 TypeError: cannot unpack non-iterable NoneType object 
    17932  
    17933 File
    17934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17935 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17936 etype, evalue, etraceback = exc_info 
    17937  
    17938 See log for complete Python traceback. 
    17939  
    17940 Traceback (most recent call last): 
    17941 File
    17942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17943 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17944 return self._func(self._name, data) 
    17945 File
    17946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17947 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17948 if v.display: 
    17949 File
    17950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17951 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17952 return self._any_displayed_positions and len(self._positions) > 0 
    17953 TypeError: object of type 'NoneType' has no len() 
    17954  
    17955 During handling of the above exception, another exception occurred: 
    17956  
    17957 Traceback (most recent call last): 
    17958 File
    17959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17960 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17961 if not self.draw_new_frame(): 
    17962 File
    17963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17964 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17965 changed = view.check_for_drawing_change() 
    17966 File
    17967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17968 packages/chimerax/core/graphics/view.py", line 252, in
    17969 check_for_drawing_change 
    17970 trig.activate_trigger('graphics update', self) 
    17971 File
    17972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17973 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17974 trigger.activate(data) 
    17975 File
    17976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17977 packages/chimerax/core/triggerset.py", line 190, in activate 
    17978 ret = handler.invoke(data, self._remove_bad_handlers) 
    17979 File
    17980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17981 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17982 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17983 File
    17984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17985 packages/chimerax/core/session.py", line 943, in <lambda> 
    17986 logger.report_exception(preface=preface)) 
    17987 File
    17988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17989 packages/chimerax/core/logger.py", line 421, in report_exception 
    17990 elif probably_chimera1_session(exc_info): 
    17991 File
    17992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17993 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17994 etype, evalue, etraceback = exc_info 
    17995 TypeError: cannot unpack non-iterable NoneType object 
    17996  
    17997 TypeError: cannot unpack non-iterable NoneType object 
    17998  
    17999 File
    18000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18001 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18002 etype, evalue, etraceback = exc_info 
    18003  
    18004 See log for complete Python traceback. 
    18005  
    18006 Traceback (most recent call last): 
    18007 File
    18008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18009 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18010 return self._func(self._name, data) 
    18011 File
    18012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18013 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18014 if v.display: 
    18015 File
    18016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18017 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18018 return self._any_displayed_positions and len(self._positions) > 0 
    18019 TypeError: object of type 'NoneType' has no len() 
    18020  
    18021 During handling of the above exception, another exception occurred: 
    18022  
    18023 Traceback (most recent call last): 
    18024 File
    18025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18026 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18027 if not self.draw_new_frame(): 
    18028 File
    18029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18030 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18031 changed = view.check_for_drawing_change() 
    18032 File
    18033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18034 packages/chimerax/core/graphics/view.py", line 252, in
    18035 check_for_drawing_change 
    18036 trig.activate_trigger('graphics update', self) 
    18037 File
    18038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18039 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18040 trigger.activate(data) 
    18041 File
    18042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18043 packages/chimerax/core/triggerset.py", line 190, in activate 
    18044 ret = handler.invoke(data, self._remove_bad_handlers) 
    18045 File
    18046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18047 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18048 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18049 File
    18050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18051 packages/chimerax/core/session.py", line 943, in <lambda> 
    18052 logger.report_exception(preface=preface)) 
    18053 File
    18054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18055 packages/chimerax/core/logger.py", line 421, in report_exception 
    18056 elif probably_chimera1_session(exc_info): 
    18057 File
    18058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18059 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18060 etype, evalue, etraceback = exc_info 
    18061 TypeError: cannot unpack non-iterable NoneType object 
    18062  
    18063 TypeError: cannot unpack non-iterable NoneType object 
    18064  
    18065 File
    18066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18067 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18068 etype, evalue, etraceback = exc_info 
    18069  
    18070 See log for complete Python traceback. 
    18071  
    18072 Traceback (most recent call last): 
    18073 File
    18074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18075 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18076 return self._func(self._name, data) 
    18077 File
    18078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18079 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18080 if v.display: 
    18081 File
    18082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18083 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18084 return self._any_displayed_positions and len(self._positions) > 0 
    18085 TypeError: object of type 'NoneType' has no len() 
    18086  
    18087 During handling of the above exception, another exception occurred: 
    18088  
    18089 Traceback (most recent call last): 
    18090 File
    18091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18092 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18093 if not self.draw_new_frame(): 
    18094 File
    18095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18096 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18097 changed = view.check_for_drawing_change() 
    18098 File
    18099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18100 packages/chimerax/core/graphics/view.py", line 252, in
    18101 check_for_drawing_change 
    18102 trig.activate_trigger('graphics update', self) 
    18103 File
    18104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18105 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18106 trigger.activate(data) 
    18107 File
    18108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18109 packages/chimerax/core/triggerset.py", line 190, in activate 
    18110 ret = handler.invoke(data, self._remove_bad_handlers) 
    18111 File
    18112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18113 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18114 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18115 File
    18116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18117 packages/chimerax/core/session.py", line 943, in <lambda> 
    18118 logger.report_exception(preface=preface)) 
    18119 File
    18120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18121 packages/chimerax/core/logger.py", line 421, in report_exception 
    18122 elif probably_chimera1_session(exc_info): 
    18123 File
    18124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18125 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18126 etype, evalue, etraceback = exc_info 
    18127 TypeError: cannot unpack non-iterable NoneType object 
    18128  
    18129 TypeError: cannot unpack non-iterable NoneType object 
    18130  
    18131 File
    18132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18133 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18134 etype, evalue, etraceback = exc_info 
    18135  
    18136 See log for complete Python traceback. 
    18137  
    18138 Traceback (most recent call last): 
    18139 File
    18140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18141 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18142 return self._func(self._name, data) 
    18143 File
    18144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18145 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18146 if v.display: 
    18147 File
    18148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18149 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18150 return self._any_displayed_positions and len(self._positions) > 0 
    18151 TypeError: object of type 'NoneType' has no len() 
    18152  
    18153 During handling of the above exception, another exception occurred: 
    18154  
    18155 Traceback (most recent call last): 
    18156 File
    18157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18158 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18159 if not self.draw_new_frame(): 
    18160 File
    18161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18162 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18163 changed = view.check_for_drawing_change() 
    18164 File
    18165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18166 packages/chimerax/core/graphics/view.py", line 252, in
    18167 check_for_drawing_change 
    18168 trig.activate_trigger('graphics update', self) 
    18169 File
    18170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18171 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18172 trigger.activate(data) 
    18173 File
    18174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18175 packages/chimerax/core/triggerset.py", line 190, in activate 
    18176 ret = handler.invoke(data, self._remove_bad_handlers) 
    18177 File
    18178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18179 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18180 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18181 File
    18182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18183 packages/chimerax/core/session.py", line 943, in <lambda> 
    18184 logger.report_exception(preface=preface)) 
    18185 File
    18186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18187 packages/chimerax/core/logger.py", line 421, in report_exception 
    18188 elif probably_chimera1_session(exc_info): 
    18189 File
    18190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18191 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18192 etype, evalue, etraceback = exc_info 
    18193 TypeError: cannot unpack non-iterable NoneType object 
    18194  
    18195 TypeError: cannot unpack non-iterable NoneType object 
    18196  
    18197 File
    18198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18199 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18200 etype, evalue, etraceback = exc_info 
    18201  
    18202 See log for complete Python traceback. 
    18203  
    18204 Traceback (most recent call last): 
    18205 File
    18206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18207 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18208 return self._func(self._name, data) 
    18209 File
    18210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18211 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18212 if v.display: 
    18213 File
    18214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18215 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18216 return self._any_displayed_positions and len(self._positions) > 0 
    18217 TypeError: object of type 'NoneType' has no len() 
    18218  
    18219 During handling of the above exception, another exception occurred: 
    18220  
    18221 Traceback (most recent call last): 
    18222 File
    18223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18224 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18225 if not self.draw_new_frame(): 
    18226 File
    18227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18228 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18229 changed = view.check_for_drawing_change() 
    18230 File
    18231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18232 packages/chimerax/core/graphics/view.py", line 252, in
    18233 check_for_drawing_change 
    18234 trig.activate_trigger('graphics update', self) 
    18235 File
    18236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18237 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18238 trigger.activate(data) 
    18239 File
    18240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18241 packages/chimerax/core/triggerset.py", line 190, in activate 
    18242 ret = handler.invoke(data, self._remove_bad_handlers) 
    18243 File
    18244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18245 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18246 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18247 File
    18248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18249 packages/chimerax/core/session.py", line 943, in <lambda> 
    18250 logger.report_exception(preface=preface)) 
    18251 File
    18252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18253 packages/chimerax/core/logger.py", line 421, in report_exception 
    18254 elif probably_chimera1_session(exc_info): 
    18255 File
    18256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18257 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18258 etype, evalue, etraceback = exc_info 
    18259 TypeError: cannot unpack non-iterable NoneType object 
    18260  
    18261 TypeError: cannot unpack non-iterable NoneType object 
    18262  
    18263 File
    18264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18265 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18266 etype, evalue, etraceback = exc_info 
    18267  
    18268 See log for complete Python traceback. 
    18269  
    18270 Traceback (most recent call last): 
    18271 File
    18272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18273 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18274 return self._func(self._name, data) 
    18275 File
    18276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18277 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18278 if v.display: 
    18279 File
    18280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18281 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18282 return self._any_displayed_positions and len(self._positions) > 0 
    18283 TypeError: object of type 'NoneType' has no len() 
    18284  
    18285 During handling of the above exception, another exception occurred: 
    18286  
    18287 Traceback (most recent call last): 
    18288 File
    18289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18290 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18291 if not self.draw_new_frame(): 
    18292 File
    18293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18294 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18295 changed = view.check_for_drawing_change() 
    18296 File
    18297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18298 packages/chimerax/core/graphics/view.py", line 252, in
    18299 check_for_drawing_change 
    18300 trig.activate_trigger('graphics update', self) 
    18301 File
    18302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18303 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18304 trigger.activate(data) 
    18305 File
    18306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18307 packages/chimerax/core/triggerset.py", line 190, in activate 
    18308 ret = handler.invoke(data, self._remove_bad_handlers) 
    18309 File
    18310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18311 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18312 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18313 File
    18314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18315 packages/chimerax/core/session.py", line 943, in <lambda> 
    18316 logger.report_exception(preface=preface)) 
    18317 File
    18318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18319 packages/chimerax/core/logger.py", line 421, in report_exception 
    18320 elif probably_chimera1_session(exc_info): 
    18321 File
    18322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18323 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18324 etype, evalue, etraceback = exc_info 
    18325 TypeError: cannot unpack non-iterable NoneType object 
    18326  
    18327 TypeError: cannot unpack non-iterable NoneType object 
    18328  
    18329 File
    18330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18331 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18332 etype, evalue, etraceback = exc_info 
    18333  
    18334 See log for complete Python traceback. 
    18335  
    18336 Traceback (most recent call last): 
    18337 File
    18338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18339 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18340 return self._func(self._name, data) 
    18341 File
    18342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18343 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18344 if v.display: 
    18345 File
    18346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18347 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18348 return self._any_displayed_positions and len(self._positions) > 0 
    18349 TypeError: object of type 'NoneType' has no len() 
    18350  
    18351 During handling of the above exception, another exception occurred: 
    18352  
    18353 Traceback (most recent call last): 
    18354 File
    18355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18356 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18357 if not self.draw_new_frame(): 
    18358 File
    18359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18360 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18361 changed = view.check_for_drawing_change() 
    18362 File
    18363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18364 packages/chimerax/core/graphics/view.py", line 252, in
    18365 check_for_drawing_change 
    18366 trig.activate_trigger('graphics update', self) 
    18367 File
    18368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18369 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18370 trigger.activate(data) 
    18371 File
    18372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18373 packages/chimerax/core/triggerset.py", line 190, in activate 
    18374 ret = handler.invoke(data, self._remove_bad_handlers) 
    18375 File
    18376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18377 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18378 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18379 File
    18380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18381 packages/chimerax/core/session.py", line 943, in <lambda> 
    18382 logger.report_exception(preface=preface)) 
    18383 File
    18384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18385 packages/chimerax/core/logger.py", line 421, in report_exception 
    18386 elif probably_chimera1_session(exc_info): 
    18387 File
    18388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18389 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18390 etype, evalue, etraceback = exc_info 
    18391 TypeError: cannot unpack non-iterable NoneType object 
    18392  
    18393 TypeError: cannot unpack non-iterable NoneType object 
    18394  
    18395 File
    18396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18397 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18398 etype, evalue, etraceback = exc_info 
    18399  
    18400 See log for complete Python traceback. 
    18401  
    18402 Traceback (most recent call last): 
    18403 File
    18404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18405 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18406 return self._func(self._name, data) 
    18407 File
    18408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18409 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18410 if v.display: 
    18411 File
    18412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18413 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18414 return self._any_displayed_positions and len(self._positions) > 0 
    18415 TypeError: object of type 'NoneType' has no len() 
    18416  
    18417 During handling of the above exception, another exception occurred: 
    18418  
    18419 Traceback (most recent call last): 
    18420 File
    18421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18422 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18423 if not self.draw_new_frame(): 
    18424 File
    18425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18426 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18427 changed = view.check_for_drawing_change() 
    18428 File
    18429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18430 packages/chimerax/core/graphics/view.py", line 252, in
    18431 check_for_drawing_change 
    18432 trig.activate_trigger('graphics update', self) 
    18433 File
    18434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18435 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18436 trigger.activate(data) 
    18437 File
    18438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18439 packages/chimerax/core/triggerset.py", line 190, in activate 
    18440 ret = handler.invoke(data, self._remove_bad_handlers) 
    18441 File
    18442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18443 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18444 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18445 File
    18446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18447 packages/chimerax/core/session.py", line 943, in <lambda> 
    18448 logger.report_exception(preface=preface)) 
    18449 File
    18450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18451 packages/chimerax/core/logger.py", line 421, in report_exception 
    18452 elif probably_chimera1_session(exc_info): 
    18453 File
    18454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18455 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18456 etype, evalue, etraceback = exc_info 
    18457 TypeError: cannot unpack non-iterable NoneType object 
    18458  
    18459 TypeError: cannot unpack non-iterable NoneType object 
    18460  
    18461 File
    18462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18463 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18464 etype, evalue, etraceback = exc_info 
    18465  
    18466 See log for complete Python traceback. 
    18467  
    18468 Traceback (most recent call last): 
    18469 File
    18470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18471 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18472 return self._func(self._name, data) 
    18473 File
    18474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18475 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18476 if v.display: 
    18477 File
    18478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18479 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18480 return self._any_displayed_positions and len(self._positions) > 0 
    18481 TypeError: object of type 'NoneType' has no len() 
    18482  
    18483 During handling of the above exception, another exception occurred: 
    18484  
    18485 Traceback (most recent call last): 
    18486 File
    18487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18488 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18489 if not self.draw_new_frame(): 
    18490 File
    18491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18492 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18493 changed = view.check_for_drawing_change() 
    18494 File
    18495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18496 packages/chimerax/core/graphics/view.py", line 252, in
    18497 check_for_drawing_change 
    18498 trig.activate_trigger('graphics update', self) 
    18499 File
    18500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18501 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18502 trigger.activate(data) 
    18503 File
    18504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18505 packages/chimerax/core/triggerset.py", line 190, in activate 
    18506 ret = handler.invoke(data, self._remove_bad_handlers) 
    18507 File
    18508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18509 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18510 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18511 File
    18512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18513 packages/chimerax/core/session.py", line 943, in <lambda> 
    18514 logger.report_exception(preface=preface)) 
    18515 File
    18516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18517 packages/chimerax/core/logger.py", line 421, in report_exception 
    18518 elif probably_chimera1_session(exc_info): 
    18519 File
    18520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18521 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18522 etype, evalue, etraceback = exc_info 
    18523 TypeError: cannot unpack non-iterable NoneType object 
    18524  
    18525 TypeError: cannot unpack non-iterable NoneType object 
    18526  
    18527 File
    18528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18529 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18530 etype, evalue, etraceback = exc_info 
    18531  
    18532 See log for complete Python traceback. 
    18533  
    18534 Traceback (most recent call last): 
    18535 File
    18536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18537 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18538 return self._func(self._name, data) 
    18539 File
    18540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18541 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18542 if v.display: 
    18543 File
    18544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18545 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18546 return self._any_displayed_positions and len(self._positions) > 0 
    18547 TypeError: object of type 'NoneType' has no len() 
    18548  
    18549 During handling of the above exception, another exception occurred: 
    18550  
    18551 Traceback (most recent call last): 
    18552 File
    18553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18554 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18555 if not self.draw_new_frame(): 
    18556 File
    18557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18558 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18559 changed = view.check_for_drawing_change() 
    18560 File
    18561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18562 packages/chimerax/core/graphics/view.py", line 252, in
    18563 check_for_drawing_change 
    18564 trig.activate_trigger('graphics update', self) 
    18565 File
    18566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18567 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18568 trigger.activate(data) 
    18569 File
    18570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18571 packages/chimerax/core/triggerset.py", line 190, in activate 
    18572 ret = handler.invoke(data, self._remove_bad_handlers) 
    18573 File
    18574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18575 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18576 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18577 File
    18578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18579 packages/chimerax/core/session.py", line 943, in <lambda> 
    18580 logger.report_exception(preface=preface)) 
    18581 File
    18582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18583 packages/chimerax/core/logger.py", line 421, in report_exception 
    18584 elif probably_chimera1_session(exc_info): 
    18585 File
    18586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18587 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18588 etype, evalue, etraceback = exc_info 
    18589 TypeError: cannot unpack non-iterable NoneType object 
    18590  
    18591 TypeError: cannot unpack non-iterable NoneType object 
    18592  
    18593 File
    18594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18595 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18596 etype, evalue, etraceback = exc_info 
    18597  
    18598 See log for complete Python traceback. 
    18599  
    18600 Traceback (most recent call last): 
    18601 File
    18602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18603 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18604 return self._func(self._name, data) 
    18605 File
    18606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18607 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18608 if v.display: 
    18609 File
    18610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18611 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18612 return self._any_displayed_positions and len(self._positions) > 0 
    18613 TypeError: object of type 'NoneType' has no len() 
    18614  
    18615 During handling of the above exception, another exception occurred: 
    18616  
    18617 Traceback (most recent call last): 
    18618 File
    18619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18620 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18621 if not self.draw_new_frame(): 
    18622 File
    18623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18624 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18625 changed = view.check_for_drawing_change() 
    18626 File
    18627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18628 packages/chimerax/core/graphics/view.py", line 252, in
    18629 check_for_drawing_change 
    18630 trig.activate_trigger('graphics update', self) 
    18631 File
    18632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18633 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18634 trigger.activate(data) 
    18635 File
    18636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18637 packages/chimerax/core/triggerset.py", line 190, in activate 
    18638 ret = handler.invoke(data, self._remove_bad_handlers) 
    18639 File
    18640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18641 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18642 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18643 File
    18644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18645 packages/chimerax/core/session.py", line 943, in <lambda> 
    18646 logger.report_exception(preface=preface)) 
    18647 File
    18648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18649 packages/chimerax/core/logger.py", line 421, in report_exception 
    18650 elif probably_chimera1_session(exc_info): 
    18651 File
    18652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18653 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18654 etype, evalue, etraceback = exc_info 
    18655 TypeError: cannot unpack non-iterable NoneType object 
    18656  
    18657 TypeError: cannot unpack non-iterable NoneType object 
    18658  
    18659 File
    18660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18661 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18662 etype, evalue, etraceback = exc_info 
    18663  
    18664 See log for complete Python traceback. 
    18665  
    18666 Traceback (most recent call last): 
    18667 File
    18668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18669 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18670 return self._func(self._name, data) 
    18671 File
    18672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18673 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18674 if v.display: 
    18675 File
    18676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18677 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18678 return self._any_displayed_positions and len(self._positions) > 0 
    18679 TypeError: object of type 'NoneType' has no len() 
    18680  
    18681 During handling of the above exception, another exception occurred: 
    18682  
    18683 Traceback (most recent call last): 
    18684 File
    18685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18686 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18687 if not self.draw_new_frame(): 
    18688 File
    18689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18690 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18691 changed = view.check_for_drawing_change() 
    18692 File
    18693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18694 packages/chimerax/core/graphics/view.py", line 252, in
    18695 check_for_drawing_change 
    18696 trig.activate_trigger('graphics update', self) 
    18697 File
    18698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18699 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18700 trigger.activate(data) 
    18701 File
    18702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18703 packages/chimerax/core/triggerset.py", line 190, in activate 
    18704 ret = handler.invoke(data, self._remove_bad_handlers) 
    18705 File
    18706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18707 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18708 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18709 File
    18710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18711 packages/chimerax/core/session.py", line 943, in <lambda> 
    18712 logger.report_exception(preface=preface)) 
    18713 File
    18714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18715 packages/chimerax/core/logger.py", line 421, in report_exception 
    18716 elif probably_chimera1_session(exc_info): 
    18717 File
    18718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18719 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18720 etype, evalue, etraceback = exc_info 
    18721 TypeError: cannot unpack non-iterable NoneType object 
    18722  
    18723 TypeError: cannot unpack non-iterable NoneType object 
    18724  
    18725 File
    18726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18727 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18728 etype, evalue, etraceback = exc_info 
    18729  
    18730 See log for complete Python traceback. 
    18731  
    18732 Traceback (most recent call last): 
    18733 File
    18734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18735 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18736 return self._func(self._name, data) 
    18737 File
    18738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18739 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18740 if v.display: 
    18741 File
    18742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18743 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18744 return self._any_displayed_positions and len(self._positions) > 0 
    18745 TypeError: object of type 'NoneType' has no len() 
    18746  
    18747 During handling of the above exception, another exception occurred: 
    18748  
    18749 Traceback (most recent call last): 
    18750 File
    18751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18752 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18753 if not self.draw_new_frame(): 
    18754 File
    18755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18756 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18757 changed = view.check_for_drawing_change() 
    18758 File
    18759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18760 packages/chimerax/core/graphics/view.py", line 252, in
    18761 check_for_drawing_change 
    18762 trig.activate_trigger('graphics update', self) 
    18763 File
    18764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18765 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18766 trigger.activate(data) 
    18767 File
    18768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18769 packages/chimerax/core/triggerset.py", line 190, in activate 
    18770 ret = handler.invoke(data, self._remove_bad_handlers) 
    18771 File
    18772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18773 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18774 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18775 File
    18776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18777 packages/chimerax/core/session.py", line 943, in <lambda> 
    18778 logger.report_exception(preface=preface)) 
    18779 File
    18780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18781 packages/chimerax/core/logger.py", line 421, in report_exception 
    18782 elif probably_chimera1_session(exc_info): 
    18783 File
    18784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18785 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18786 etype, evalue, etraceback = exc_info 
    18787 TypeError: cannot unpack non-iterable NoneType object 
    18788  
    18789 TypeError: cannot unpack non-iterable NoneType object 
    18790  
    18791 File
    18792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18793 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18794 etype, evalue, etraceback = exc_info 
    18795  
    18796 See log for complete Python traceback. 
    18797  
    18798 Traceback (most recent call last): 
    18799 File
    18800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18801 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18802 return self._func(self._name, data) 
    18803 File
    18804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18805 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18806 if v.display: 
    18807 File
    18808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18809 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18810 return self._any_displayed_positions and len(self._positions) > 0 
    18811 TypeError: object of type 'NoneType' has no len() 
    18812  
    18813 During handling of the above exception, another exception occurred: 
    18814  
    18815 Traceback (most recent call last): 
    18816 File
    18817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18818 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18819 if not self.draw_new_frame(): 
    18820 File
    18821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18822 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18823 changed = view.check_for_drawing_change() 
    18824 File
    18825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18826 packages/chimerax/core/graphics/view.py", line 252, in
    18827 check_for_drawing_change 
    18828 trig.activate_trigger('graphics update', self) 
    18829 File
    18830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18831 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18832 trigger.activate(data) 
    18833 File
    18834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18835 packages/chimerax/core/triggerset.py", line 190, in activate 
    18836 ret = handler.invoke(data, self._remove_bad_handlers) 
    18837 File
    18838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18839 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18840 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18841 File
    18842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18843 packages/chimerax/core/session.py", line 943, in <lambda> 
    18844 logger.report_exception(preface=preface)) 
    18845 File
    18846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18847 packages/chimerax/core/logger.py", line 421, in report_exception 
    18848 elif probably_chimera1_session(exc_info): 
    18849 File
    18850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18851 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18852 etype, evalue, etraceback = exc_info 
    18853 TypeError: cannot unpack non-iterable NoneType object 
    18854  
    18855 TypeError: cannot unpack non-iterable NoneType object 
    18856  
    18857 File
    18858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18859 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18860 etype, evalue, etraceback = exc_info 
    18861  
    18862 See log for complete Python traceback. 
    18863  
    18864 Traceback (most recent call last): 
    18865 File
    18866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18867 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18868 return self._func(self._name, data) 
    18869 File
    18870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18871 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18872 if v.display: 
    18873 File
    18874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18875 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18876 return self._any_displayed_positions and len(self._positions) > 0 
    18877 TypeError: object of type 'NoneType' has no len() 
    18878  
    18879 During handling of the above exception, another exception occurred: 
    18880  
    18881 Traceback (most recent call last): 
    18882 File
    18883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18884 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18885 if not self.draw_new_frame(): 
    18886 File
    18887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18888 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18889 changed = view.check_for_drawing_change() 
    18890 File
    18891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18892 packages/chimerax/core/graphics/view.py", line 252, in
    18893 check_for_drawing_change 
    18894 trig.activate_trigger('graphics update', self) 
    18895 File
    18896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18897 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18898 trigger.activate(data) 
    18899 File
    18900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18901 packages/chimerax/core/triggerset.py", line 190, in activate 
    18902 ret = handler.invoke(data, self._remove_bad_handlers) 
    18903 File
    18904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18905 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18906 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18907 File
    18908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18909 packages/chimerax/core/session.py", line 943, in <lambda> 
    18910 logger.report_exception(preface=preface)) 
    18911 File
    18912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18913 packages/chimerax/core/logger.py", line 421, in report_exception 
    18914 elif probably_chimera1_session(exc_info): 
    18915 File
    18916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18917 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18918 etype, evalue, etraceback = exc_info 
    18919 TypeError: cannot unpack non-iterable NoneType object 
    18920  
    18921 TypeError: cannot unpack non-iterable NoneType object 
    18922  
    18923 File
    18924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18925 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18926 etype, evalue, etraceback = exc_info 
    18927  
    18928 See log for complete Python traceback. 
    18929  
    18930 Traceback (most recent call last): 
    18931 File
    18932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18933 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18934 return self._func(self._name, data) 
    18935 File
    18936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18937 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18938 if v.display: 
    18939 File
    18940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18941 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18942 return self._any_displayed_positions and len(self._positions) > 0 
    18943 TypeError: object of type 'NoneType' has no len() 
    18944  
    18945 During handling of the above exception, another exception occurred: 
    18946  
    18947 Traceback (most recent call last): 
    18948 File
    18949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18950 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18951 if not self.draw_new_frame(): 
    18952 File
    18953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18954 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18955 changed = view.check_for_drawing_change() 
    18956 File
    18957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18958 packages/chimerax/core/graphics/view.py", line 252, in
    18959 check_for_drawing_change 
    18960 trig.activate_trigger('graphics update', self) 
    18961 File
    18962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18963 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18964 trigger.activate(data) 
    18965 File
    18966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18967 packages/chimerax/core/triggerset.py", line 190, in activate 
    18968 ret = handler.invoke(data, self._remove_bad_handlers) 
    18969 File
    18970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18971 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18972 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18973 File
    18974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18975 packages/chimerax/core/session.py", line 943, in <lambda> 
    18976 logger.report_exception(preface=preface)) 
    18977 File
    18978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18979 packages/chimerax/core/logger.py", line 421, in report_exception 
    18980 elif probably_chimera1_session(exc_info): 
    18981 File
    18982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18983 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18984 etype, evalue, etraceback = exc_info 
    18985 TypeError: cannot unpack non-iterable NoneType object 
    18986  
    18987 TypeError: cannot unpack non-iterable NoneType object 
    18988  
    18989 File
    18990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18991 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18992 etype, evalue, etraceback = exc_info 
    18993  
    18994 See log for complete Python traceback. 
    18995  
    18996 Traceback (most recent call last): 
    18997 File
    18998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18999 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19000 return self._func(self._name, data) 
    19001 File
    19002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19003 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19004 if v.display: 
    19005 File
    19006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19007 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19008 return self._any_displayed_positions and len(self._positions) > 0 
    19009 TypeError: object of type 'NoneType' has no len() 
    19010  
    19011 During handling of the above exception, another exception occurred: 
    19012  
    19013 Traceback (most recent call last): 
    19014 File
    19015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19016 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19017 if not self.draw_new_frame(): 
    19018 File
    19019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19020 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19021 changed = view.check_for_drawing_change() 
    19022 File
    19023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19024 packages/chimerax/core/graphics/view.py", line 252, in
    19025 check_for_drawing_change 
    19026 trig.activate_trigger('graphics update', self) 
    19027 File
    19028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19029 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19030 trigger.activate(data) 
    19031 File
    19032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19033 packages/chimerax/core/triggerset.py", line 190, in activate 
    19034 ret = handler.invoke(data, self._remove_bad_handlers) 
    19035 File
    19036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19037 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19038 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19039 File
    19040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19041 packages/chimerax/core/session.py", line 943, in <lambda> 
    19042 logger.report_exception(preface=preface)) 
    19043 File
    19044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19045 packages/chimerax/core/logger.py", line 421, in report_exception 
    19046 elif probably_chimera1_session(exc_info): 
    19047 File
    19048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19049 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19050 etype, evalue, etraceback = exc_info 
    19051 TypeError: cannot unpack non-iterable NoneType object 
    19052  
    19053 TypeError: cannot unpack non-iterable NoneType object 
    19054  
    19055 File
    19056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19057 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19058 etype, evalue, etraceback = exc_info 
    19059  
    19060 See log for complete Python traceback. 
    19061  
    19062 Traceback (most recent call last): 
    19063 File
    19064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19065 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19066 return self._func(self._name, data) 
    19067 File
    19068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19069 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19070 if v.display: 
    19071 File
    19072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19073 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19074 return self._any_displayed_positions and len(self._positions) > 0 
    19075 TypeError: object of type 'NoneType' has no len() 
    19076  
    19077 During handling of the above exception, another exception occurred: 
    19078  
    19079 Traceback (most recent call last): 
    19080 File
    19081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19082 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19083 if not self.draw_new_frame(): 
    19084 File
    19085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19086 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19087 changed = view.check_for_drawing_change() 
    19088 File
    19089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19090 packages/chimerax/core/graphics/view.py", line 252, in
    19091 check_for_drawing_change 
    19092 trig.activate_trigger('graphics update', self) 
    19093 File
    19094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19095 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19096 trigger.activate(data) 
    19097 File
    19098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19099 packages/chimerax/core/triggerset.py", line 190, in activate 
    19100 ret = handler.invoke(data, self._remove_bad_handlers) 
    19101 File
    19102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19103 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19104 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19105 File
    19106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19107 packages/chimerax/core/session.py", line 943, in <lambda> 
    19108 logger.report_exception(preface=preface)) 
    19109 File
    19110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19111 packages/chimerax/core/logger.py", line 421, in report_exception 
    19112 elif probably_chimera1_session(exc_info): 
    19113 File
    19114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19115 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19116 etype, evalue, etraceback = exc_info 
    19117 TypeError: cannot unpack non-iterable NoneType object 
    19118  
    19119 TypeError: cannot unpack non-iterable NoneType object 
    19120  
    19121 File
    19122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19123 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19124 etype, evalue, etraceback = exc_info 
    19125  
    19126 See log for complete Python traceback. 
    19127  
    19128 Traceback (most recent call last): 
    19129 File
    19130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19131 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19132 return self._func(self._name, data) 
    19133 File
    19134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19135 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19136 if v.display: 
    19137 File
    19138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19139 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19140 return self._any_displayed_positions and len(self._positions) > 0 
    19141 TypeError: object of type 'NoneType' has no len() 
    19142  
    19143 During handling of the above exception, another exception occurred: 
    19144  
    19145 Traceback (most recent call last): 
    19146 File
    19147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19148 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19149 if not self.draw_new_frame(): 
    19150 File
    19151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19152 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19153 changed = view.check_for_drawing_change() 
    19154 File
    19155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19156 packages/chimerax/core/graphics/view.py", line 252, in
    19157 check_for_drawing_change 
    19158 trig.activate_trigger('graphics update', self) 
    19159 File
    19160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19161 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19162 trigger.activate(data) 
    19163 File
    19164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19165 packages/chimerax/core/triggerset.py", line 190, in activate 
    19166 ret = handler.invoke(data, self._remove_bad_handlers) 
    19167 File
    19168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19169 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19170 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19171 File
    19172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19173 packages/chimerax/core/session.py", line 943, in <lambda> 
    19174 logger.report_exception(preface=preface)) 
    19175 File
    19176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19177 packages/chimerax/core/logger.py", line 421, in report_exception 
    19178 elif probably_chimera1_session(exc_info): 
    19179 File
    19180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19181 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19182 etype, evalue, etraceback = exc_info 
    19183 TypeError: cannot unpack non-iterable NoneType object 
    19184  
    19185 TypeError: cannot unpack non-iterable NoneType object 
    19186  
    19187 File
    19188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19189 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19190 etype, evalue, etraceback = exc_info 
    19191  
    19192 See log for complete Python traceback. 
    19193  
    19194 Traceback (most recent call last): 
    19195 File
    19196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19197 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19198 return self._func(self._name, data) 
    19199 File
    19200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19201 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19202 if v.display: 
    19203 File
    19204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19205 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19206 return self._any_displayed_positions and len(self._positions) > 0 
    19207 TypeError: object of type 'NoneType' has no len() 
    19208  
    19209 During handling of the above exception, another exception occurred: 
    19210  
    19211 Traceback (most recent call last): 
    19212 File
    19213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19214 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19215 if not self.draw_new_frame(): 
    19216 File
    19217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19218 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19219 changed = view.check_for_drawing_change() 
    19220 File
    19221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19222 packages/chimerax/core/graphics/view.py", line 252, in
    19223 check_for_drawing_change 
    19224 trig.activate_trigger('graphics update', self) 
    19225 File
    19226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19227 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19228 trigger.activate(data) 
    19229 File
    19230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19231 packages/chimerax/core/triggerset.py", line 190, in activate 
    19232 ret = handler.invoke(data, self._remove_bad_handlers) 
    19233 File
    19234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19235 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19236 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19237 File
    19238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19239 packages/chimerax/core/session.py", line 943, in <lambda> 
    19240 logger.report_exception(preface=preface)) 
    19241 File
    19242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19243 packages/chimerax/core/logger.py", line 421, in report_exception 
    19244 elif probably_chimera1_session(exc_info): 
    19245 File
    19246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19247 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19248 etype, evalue, etraceback = exc_info 
    19249 TypeError: cannot unpack non-iterable NoneType object 
    19250  
    19251 TypeError: cannot unpack non-iterable NoneType object 
    19252  
    19253 File
    19254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19255 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19256 etype, evalue, etraceback = exc_info 
    19257  
    19258 See log for complete Python traceback. 
    19259  
    19260 Traceback (most recent call last): 
    19261 File
    19262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19263 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19264 return self._func(self._name, data) 
    19265 File
    19266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19267 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19268 if v.display: 
    19269 File
    19270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19271 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19272 return self._any_displayed_positions and len(self._positions) > 0 
    19273 TypeError: object of type 'NoneType' has no len() 
    19274  
    19275 During handling of the above exception, another exception occurred: 
    19276  
    19277 Traceback (most recent call last): 
    19278 File
    19279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19280 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19281 if not self.draw_new_frame(): 
    19282 File
    19283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19284 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19285 changed = view.check_for_drawing_change() 
    19286 File
    19287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19288 packages/chimerax/core/graphics/view.py", line 252, in
    19289 check_for_drawing_change 
    19290 trig.activate_trigger('graphics update', self) 
    19291 File
    19292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19293 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19294 trigger.activate(data) 
    19295 File
    19296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19297 packages/chimerax/core/triggerset.py", line 190, in activate 
    19298 ret = handler.invoke(data, self._remove_bad_handlers) 
    19299 File
    19300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19301 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19302 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19303 File
    19304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19305 packages/chimerax/core/session.py", line 943, in <lambda> 
    19306 logger.report_exception(preface=preface)) 
    19307 File
    19308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19309 packages/chimerax/core/logger.py", line 421, in report_exception 
    19310 elif probably_chimera1_session(exc_info): 
    19311 File
    19312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19313 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19314 etype, evalue, etraceback = exc_info 
    19315 TypeError: cannot unpack non-iterable NoneType object 
    19316  
    19317 TypeError: cannot unpack non-iterable NoneType object 
    19318  
    19319 File
    19320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19321 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19322 etype, evalue, etraceback = exc_info 
    19323  
    19324 See log for complete Python traceback. 
    19325  
    19326 Traceback (most recent call last): 
    19327 File
    19328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19329 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19330 return self._func(self._name, data) 
    19331 File
    19332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19333 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19334 if v.display: 
    19335 File
    19336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19337 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19338 return self._any_displayed_positions and len(self._positions) > 0 
    19339 TypeError: object of type 'NoneType' has no len() 
    19340  
    19341 During handling of the above exception, another exception occurred: 
    19342  
    19343 Traceback (most recent call last): 
    19344 File
    19345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19346 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19347 if not self.draw_new_frame(): 
    19348 File
    19349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19350 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19351 changed = view.check_for_drawing_change() 
    19352 File
    19353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19354 packages/chimerax/core/graphics/view.py", line 252, in
    19355 check_for_drawing_change 
    19356 trig.activate_trigger('graphics update', self) 
    19357 File
    19358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19359 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19360 trigger.activate(data) 
    19361 File
    19362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19363 packages/chimerax/core/triggerset.py", line 190, in activate 
    19364 ret = handler.invoke(data, self._remove_bad_handlers) 
    19365 File
    19366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19367 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19368 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19369 File
    19370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19371 packages/chimerax/core/session.py", line 943, in <lambda> 
    19372 logger.report_exception(preface=preface)) 
    19373 File
    19374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19375 packages/chimerax/core/logger.py", line 421, in report_exception 
    19376 elif probably_chimera1_session(exc_info): 
    19377 File
    19378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19379 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19380 etype, evalue, etraceback = exc_info 
    19381 TypeError: cannot unpack non-iterable NoneType object 
    19382  
    19383 TypeError: cannot unpack non-iterable NoneType object 
    19384  
    19385 File
    19386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19387 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19388 etype, evalue, etraceback = exc_info 
    19389  
    19390 See log for complete Python traceback. 
    19391  
    19392 Traceback (most recent call last): 
    19393 File
    19394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19395 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19396 return self._func(self._name, data) 
    19397 File
    19398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19399 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19400 if v.display: 
    19401 File
    19402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19403 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19404 return self._any_displayed_positions and len(self._positions) > 0 
    19405 TypeError: object of type 'NoneType' has no len() 
    19406  
    19407 During handling of the above exception, another exception occurred: 
    19408  
    19409 Traceback (most recent call last): 
    19410 File
    19411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19412 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19413 if not self.draw_new_frame(): 
    19414 File
    19415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19416 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19417 changed = view.check_for_drawing_change() 
    19418 File
    19419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19420 packages/chimerax/core/graphics/view.py", line 252, in
    19421 check_for_drawing_change 
    19422 trig.activate_trigger('graphics update', self) 
    19423 File
    19424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19425 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19426 trigger.activate(data) 
    19427 File
    19428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19429 packages/chimerax/core/triggerset.py", line 190, in activate 
    19430 ret = handler.invoke(data, self._remove_bad_handlers) 
    19431 File
    19432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19433 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19434 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19435 File
    19436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19437 packages/chimerax/core/session.py", line 943, in <lambda> 
    19438 logger.report_exception(preface=preface)) 
    19439 File
    19440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19441 packages/chimerax/core/logger.py", line 421, in report_exception 
    19442 elif probably_chimera1_session(exc_info): 
    19443 File
    19444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19445 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19446 etype, evalue, etraceback = exc_info 
    19447 TypeError: cannot unpack non-iterable NoneType object 
    19448  
    19449 TypeError: cannot unpack non-iterable NoneType object 
    19450  
    19451 File
    19452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19453 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19454 etype, evalue, etraceback = exc_info 
    19455  
    19456 See log for complete Python traceback. 
    19457  
    19458 Traceback (most recent call last): 
    19459 File
    19460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19461 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19462 return self._func(self._name, data) 
    19463 File
    19464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19465 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19466 if v.display: 
    19467 File
    19468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19469 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19470 return self._any_displayed_positions and len(self._positions) > 0 
    19471 TypeError: object of type 'NoneType' has no len() 
    19472  
    19473 During handling of the above exception, another exception occurred: 
    19474  
    19475 Traceback (most recent call last): 
    19476 File
    19477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19478 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19479 if not self.draw_new_frame(): 
    19480 File
    19481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19482 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19483 changed = view.check_for_drawing_change() 
    19484 File
    19485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19486 packages/chimerax/core/graphics/view.py", line 252, in
    19487 check_for_drawing_change 
    19488 trig.activate_trigger('graphics update', self) 
    19489 File
    19490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19491 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19492 trigger.activate(data) 
    19493 File
    19494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19495 packages/chimerax/core/triggerset.py", line 190, in activate 
    19496 ret = handler.invoke(data, self._remove_bad_handlers) 
    19497 File
    19498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19499 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19500 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19501 File
    19502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19503 packages/chimerax/core/session.py", line 943, in <lambda> 
    19504 logger.report_exception(preface=preface)) 
    19505 File
    19506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19507 packages/chimerax/core/logger.py", line 421, in report_exception 
    19508 elif probably_chimera1_session(exc_info): 
    19509 File
    19510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19511 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19512 etype, evalue, etraceback = exc_info 
    19513 TypeError: cannot unpack non-iterable NoneType object 
    19514  
    19515 TypeError: cannot unpack non-iterable NoneType object 
    19516  
    19517 File
    19518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19519 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19520 etype, evalue, etraceback = exc_info 
    19521  
    19522 See log for complete Python traceback. 
    19523  
    19524 Traceback (most recent call last): 
    19525 File
    19526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19527 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19528 return self._func(self._name, data) 
    19529 File
    19530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19531 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19532 if v.display: 
    19533 File
    19534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19535 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19536 return self._any_displayed_positions and len(self._positions) > 0 
    19537 TypeError: object of type 'NoneType' has no len() 
    19538  
    19539 During handling of the above exception, another exception occurred: 
    19540  
    19541 Traceback (most recent call last): 
    19542 File
    19543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19544 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19545 if not self.draw_new_frame(): 
    19546 File
    19547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19548 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19549 changed = view.check_for_drawing_change() 
    19550 File
    19551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19552 packages/chimerax/core/graphics/view.py", line 252, in
    19553 check_for_drawing_change 
    19554 trig.activate_trigger('graphics update', self) 
    19555 File
    19556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19557 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19558 trigger.activate(data) 
    19559 File
    19560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19561 packages/chimerax/core/triggerset.py", line 190, in activate 
    19562 ret = handler.invoke(data, self._remove_bad_handlers) 
    19563 File
    19564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19565 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19566 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19567 File
    19568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19569 packages/chimerax/core/session.py", line 943, in <lambda> 
    19570 logger.report_exception(preface=preface)) 
    19571 File
    19572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19573 packages/chimerax/core/logger.py", line 421, in report_exception 
    19574 elif probably_chimera1_session(exc_info): 
    19575 File
    19576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19577 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19578 etype, evalue, etraceback = exc_info 
    19579 TypeError: cannot unpack non-iterable NoneType object 
    19580  
    19581 TypeError: cannot unpack non-iterable NoneType object 
    19582  
    19583 File
    19584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19585 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19586 etype, evalue, etraceback = exc_info 
    19587  
    19588 See log for complete Python traceback. 
    19589  
    19590 Traceback (most recent call last): 
    19591 File
    19592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19593 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19594 return self._func(self._name, data) 
    19595 File
    19596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19597 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19598 if v.display: 
    19599 File
    19600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19601 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19602 return self._any_displayed_positions and len(self._positions) > 0 
    19603 TypeError: object of type 'NoneType' has no len() 
    19604  
    19605 During handling of the above exception, another exception occurred: 
    19606  
    19607 Traceback (most recent call last): 
    19608 File
    19609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19610 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19611 if not self.draw_new_frame(): 
    19612 File
    19613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19614 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19615 changed = view.check_for_drawing_change() 
    19616 File
    19617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19618 packages/chimerax/core/graphics/view.py", line 252, in
    19619 check_for_drawing_change 
    19620 trig.activate_trigger('graphics update', self) 
    19621 File
    19622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19623 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19624 trigger.activate(data) 
    19625 File
    19626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19627 packages/chimerax/core/triggerset.py", line 190, in activate 
    19628 ret = handler.invoke(data, self._remove_bad_handlers) 
    19629 File
    19630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19631 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19632 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19633 File
    19634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19635 packages/chimerax/core/session.py", line 943, in <lambda> 
    19636 logger.report_exception(preface=preface)) 
    19637 File
    19638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19639 packages/chimerax/core/logger.py", line 421, in report_exception 
    19640 elif probably_chimera1_session(exc_info): 
    19641 File
    19642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19643 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19644 etype, evalue, etraceback = exc_info 
    19645 TypeError: cannot unpack non-iterable NoneType object 
    19646  
    19647 TypeError: cannot unpack non-iterable NoneType object 
    19648  
    19649 File
    19650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19651 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19652 etype, evalue, etraceback = exc_info 
    19653  
    19654 See log for complete Python traceback. 
    19655  
    19656 Traceback (most recent call last): 
    19657 File
    19658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19659 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19660 return self._func(self._name, data) 
    19661 File
    19662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19663 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19664 if v.display: 
    19665 File
    19666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19667 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19668 return self._any_displayed_positions and len(self._positions) > 0 
    19669 TypeError: object of type 'NoneType' has no len() 
    19670  
    19671 During handling of the above exception, another exception occurred: 
    19672  
    19673 Traceback (most recent call last): 
    19674 File
    19675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19676 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19677 if not self.draw_new_frame(): 
    19678 File
    19679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19680 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19681 changed = view.check_for_drawing_change() 
    19682 File
    19683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19684 packages/chimerax/core/graphics/view.py", line 252, in
    19685 check_for_drawing_change 
    19686 trig.activate_trigger('graphics update', self) 
    19687 File
    19688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19689 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19690 trigger.activate(data) 
    19691 File
    19692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19693 packages/chimerax/core/triggerset.py", line 190, in activate 
    19694 ret = handler.invoke(data, self._remove_bad_handlers) 
    19695 File
    19696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19697 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19698 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19699 File
    19700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19701 packages/chimerax/core/session.py", line 943, in <lambda> 
    19702 logger.report_exception(preface=preface)) 
    19703 File
    19704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19705 packages/chimerax/core/logger.py", line 421, in report_exception 
    19706 elif probably_chimera1_session(exc_info): 
    19707 File
    19708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19709 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19710 etype, evalue, etraceback = exc_info 
    19711 TypeError: cannot unpack non-iterable NoneType object 
    19712  
    19713 TypeError: cannot unpack non-iterable NoneType object 
    19714  
    19715 File
    19716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19717 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19718 etype, evalue, etraceback = exc_info 
    19719  
    19720 See log for complete Python traceback. 
    19721  
    19722 Traceback (most recent call last): 
    19723 File
    19724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19725 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19726 return self._func(self._name, data) 
    19727 File
    19728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19729 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19730 if v.display: 
    19731 File
    19732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19733 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19734 return self._any_displayed_positions and len(self._positions) > 0 
    19735 TypeError: object of type 'NoneType' has no len() 
    19736  
    19737 During handling of the above exception, another exception occurred: 
    19738  
    19739 Traceback (most recent call last): 
    19740 File
    19741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19742 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19743 if not self.draw_new_frame(): 
    19744 File
    19745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19746 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19747 changed = view.check_for_drawing_change() 
    19748 File
    19749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19750 packages/chimerax/core/graphics/view.py", line 252, in
    19751 check_for_drawing_change 
    19752 trig.activate_trigger('graphics update', self) 
    19753 File
    19754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19755 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19756 trigger.activate(data) 
    19757 File
    19758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19759 packages/chimerax/core/triggerset.py", line 190, in activate 
    19760 ret = handler.invoke(data, self._remove_bad_handlers) 
    19761 File
    19762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19763 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19764 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19765 File
    19766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19767 packages/chimerax/core/session.py", line 943, in <lambda> 
    19768 logger.report_exception(preface=preface)) 
    19769 File
    19770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19771 packages/chimerax/core/logger.py", line 421, in report_exception 
    19772 elif probably_chimera1_session(exc_info): 
    19773 File
    19774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19775 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19776 etype, evalue, etraceback = exc_info 
    19777 TypeError: cannot unpack non-iterable NoneType object 
    19778  
    19779 TypeError: cannot unpack non-iterable NoneType object 
    19780  
    19781 File
    19782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19783 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19784 etype, evalue, etraceback = exc_info 
    19785  
    19786 See log for complete Python traceback. 
    19787  
    19788 Traceback (most recent call last): 
    19789 File
    19790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19791 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19792 return self._func(self._name, data) 
    19793 File
    19794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19795 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19796 if v.display: 
    19797 File
    19798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19799 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19800 return self._any_displayed_positions and len(self._positions) > 0 
    19801 TypeError: object of type 'NoneType' has no len() 
    19802  
    19803 During handling of the above exception, another exception occurred: 
    19804  
    19805 Traceback (most recent call last): 
    19806 File
    19807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19808 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19809 if not self.draw_new_frame(): 
    19810 File
    19811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19812 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19813 changed = view.check_for_drawing_change() 
    19814 File
    19815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19816 packages/chimerax/core/graphics/view.py", line 252, in
    19817 check_for_drawing_change 
    19818 trig.activate_trigger('graphics update', self) 
    19819 File
    19820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19821 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19822 trigger.activate(data) 
    19823 File
    19824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19825 packages/chimerax/core/triggerset.py", line 190, in activate 
    19826 ret = handler.invoke(data, self._remove_bad_handlers) 
    19827 File
    19828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19829 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19830 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19831 File
    19832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19833 packages/chimerax/core/session.py", line 943, in <lambda> 
    19834 logger.report_exception(preface=preface)) 
    19835 File
    19836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19837 packages/chimerax/core/logger.py", line 421, in report_exception 
    19838 elif probably_chimera1_session(exc_info): 
    19839 File
    19840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19841 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19842 etype, evalue, etraceback = exc_info 
    19843 TypeError: cannot unpack non-iterable NoneType object 
    19844  
    19845 TypeError: cannot unpack non-iterable NoneType object 
    19846  
    19847 File
    19848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19849 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19850 etype, evalue, etraceback = exc_info 
    19851  
    19852 See log for complete Python traceback. 
    19853  
    19854 Traceback (most recent call last): 
    19855 File
    19856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19857 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19858 return self._func(self._name, data) 
    19859 File
    19860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19861 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19862 if v.display: 
    19863 File
    19864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19865 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19866 return self._any_displayed_positions and len(self._positions) > 0 
    19867 TypeError: object of type 'NoneType' has no len() 
    19868  
    19869 During handling of the above exception, another exception occurred: 
    19870  
    19871 Traceback (most recent call last): 
    19872 File
    19873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19874 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19875 if not self.draw_new_frame(): 
    19876 File
    19877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19878 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19879 changed = view.check_for_drawing_change() 
    19880 File
    19881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19882 packages/chimerax/core/graphics/view.py", line 252, in
    19883 check_for_drawing_change 
    19884 trig.activate_trigger('graphics update', self) 
    19885 File
    19886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19887 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19888 trigger.activate(data) 
    19889 File
    19890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19891 packages/chimerax/core/triggerset.py", line 190, in activate 
    19892 ret = handler.invoke(data, self._remove_bad_handlers) 
    19893 File
    19894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19895 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19896 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19897 File
    19898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19899 packages/chimerax/core/session.py", line 943, in <lambda> 
    19900 logger.report_exception(preface=preface)) 
    19901 File
    19902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19903 packages/chimerax/core/logger.py", line 421, in report_exception 
    19904 elif probably_chimera1_session(exc_info): 
    19905 File
    19906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19907 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19908 etype, evalue, etraceback = exc_info 
    19909 TypeError: cannot unpack non-iterable NoneType object 
    19910  
    19911 TypeError: cannot unpack non-iterable NoneType object 
    19912  
    19913 File
    19914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19915 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19916 etype, evalue, etraceback = exc_info 
    19917  
    19918 See log for complete Python traceback. 
    19919  
    19920 Traceback (most recent call last): 
    19921 File
    19922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19923 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19924 return self._func(self._name, data) 
    19925 File
    19926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19927 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19928 if v.display: 
    19929 File
    19930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19931 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19932 return self._any_displayed_positions and len(self._positions) > 0 
    19933 TypeError: object of type 'NoneType' has no len() 
    19934  
    19935 During handling of the above exception, another exception occurred: 
    19936  
    19937 Traceback (most recent call last): 
    19938 File
    19939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19940 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19941 if not self.draw_new_frame(): 
    19942 File
    19943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19944 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19945 changed = view.check_for_drawing_change() 
    19946 File
    19947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19948 packages/chimerax/core/graphics/view.py", line 252, in
    19949 check_for_drawing_change 
    19950 trig.activate_trigger('graphics update', self) 
    19951 File
    19952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19953 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19954 trigger.activate(data) 
    19955 File
    19956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19957 packages/chimerax/core/triggerset.py", line 190, in activate 
    19958 ret = handler.invoke(data, self._remove_bad_handlers) 
    19959 File
    19960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19961 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19962 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19963 File
    19964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19965 packages/chimerax/core/session.py", line 943, in <lambda> 
    19966 logger.report_exception(preface=preface)) 
    19967 File
    19968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19969 packages/chimerax/core/logger.py", line 421, in report_exception 
    19970 elif probably_chimera1_session(exc_info): 
    19971 File
    19972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19973 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19974 etype, evalue, etraceback = exc_info 
    19975 TypeError: cannot unpack non-iterable NoneType object 
    19976  
    19977 TypeError: cannot unpack non-iterable NoneType object 
    19978  
    19979 File
    19980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19981 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19982 etype, evalue, etraceback = exc_info 
    19983  
    19984 See log for complete Python traceback. 
    19985  
    19986 Traceback (most recent call last): 
    19987 File
    19988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19989 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19990 return self._func(self._name, data) 
    19991 File
    19992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19993 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19994 if v.display: 
    19995 File
    19996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19997 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19998 return self._any_displayed_positions and len(self._positions) > 0 
    19999 TypeError: object of type 'NoneType' has no len() 
    20000  
    20001 During handling of the above exception, another exception occurred: 
    20002  
    20003 Traceback (most recent call last): 
    20004 File
    20005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20006 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20007 if not self.draw_new_frame(): 
    20008 File
    20009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20010 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20011 changed = view.check_for_drawing_change() 
    20012 File
    20013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20014 packages/chimerax/core/graphics/view.py", line 252, in
    20015 check_for_drawing_change 
    20016 trig.activate_trigger('graphics update', self) 
    20017 File
    20018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20019 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20020 trigger.activate(data) 
    20021 File
    20022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20023 packages/chimerax/core/triggerset.py", line 190, in activate 
    20024 ret = handler.invoke(data, self._remove_bad_handlers) 
    20025 File
    20026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20027 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20028 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20029 File
    20030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20031 packages/chimerax/core/session.py", line 943, in <lambda> 
    20032 logger.report_exception(preface=preface)) 
    20033 File
    20034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20035 packages/chimerax/core/logger.py", line 421, in report_exception 
    20036 elif probably_chimera1_session(exc_info): 
    20037 File
    20038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20039 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20040 etype, evalue, etraceback = exc_info 
    20041 TypeError: cannot unpack non-iterable NoneType object 
    20042  
    20043 TypeError: cannot unpack non-iterable NoneType object 
    20044  
    20045 File
    20046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20047 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20048 etype, evalue, etraceback = exc_info 
    20049  
    20050 See log for complete Python traceback. 
    20051  
    20052 Traceback (most recent call last): 
    20053 File
    20054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20055 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20056 return self._func(self._name, data) 
    20057 File
    20058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20059 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20060 if v.display: 
    20061 File
    20062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20063 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20064 return self._any_displayed_positions and len(self._positions) > 0 
    20065 TypeError: object of type 'NoneType' has no len() 
    20066  
    20067 During handling of the above exception, another exception occurred: 
    20068  
    20069 Traceback (most recent call last): 
    20070 File
    20071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20072 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20073 if not self.draw_new_frame(): 
    20074 File
    20075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20076 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20077 changed = view.check_for_drawing_change() 
    20078 File
    20079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20080 packages/chimerax/core/graphics/view.py", line 252, in
    20081 check_for_drawing_change 
    20082 trig.activate_trigger('graphics update', self) 
    20083 File
    20084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20085 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20086 trigger.activate(data) 
    20087 File
    20088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20089 packages/chimerax/core/triggerset.py", line 190, in activate 
    20090 ret = handler.invoke(data, self._remove_bad_handlers) 
    20091 File
    20092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20093 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20094 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20095 File
    20096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20097 packages/chimerax/core/session.py", line 943, in <lambda> 
    20098 logger.report_exception(preface=preface)) 
    20099 File
    20100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20101 packages/chimerax/core/logger.py", line 421, in report_exception 
    20102 elif probably_chimera1_session(exc_info): 
    20103 File
    20104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20105 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20106 etype, evalue, etraceback = exc_info 
    20107 TypeError: cannot unpack non-iterable NoneType object 
    20108  
    20109 TypeError: cannot unpack non-iterable NoneType object 
    20110  
    20111 File
    20112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20113 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20114 etype, evalue, etraceback = exc_info 
    20115  
    20116 See log for complete Python traceback. 
    20117  
    20118 Traceback (most recent call last): 
    20119 File
    20120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20121 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20122 return self._func(self._name, data) 
    20123 File
    20124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20125 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20126 if v.display: 
    20127 File
    20128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20129 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20130 return self._any_displayed_positions and len(self._positions) > 0 
    20131 TypeError: object of type 'NoneType' has no len() 
    20132  
    20133 During handling of the above exception, another exception occurred: 
    20134  
    20135 Traceback (most recent call last): 
    20136 File
    20137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20138 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20139 if not self.draw_new_frame(): 
    20140 File
    20141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20142 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20143 changed = view.check_for_drawing_change() 
    20144 File
    20145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20146 packages/chimerax/core/graphics/view.py", line 252, in
    20147 check_for_drawing_change 
    20148 trig.activate_trigger('graphics update', self) 
    20149 File
    20150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20151 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20152 trigger.activate(data) 
    20153 File
    20154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20155 packages/chimerax/core/triggerset.py", line 190, in activate 
    20156 ret = handler.invoke(data, self._remove_bad_handlers) 
    20157 File
    20158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20159 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20160 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20161 File
    20162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20163 packages/chimerax/core/session.py", line 943, in <lambda> 
    20164 logger.report_exception(preface=preface)) 
    20165 File
    20166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20167 packages/chimerax/core/logger.py", line 421, in report_exception 
    20168 elif probably_chimera1_session(exc_info): 
    20169 File
    20170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20171 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20172 etype, evalue, etraceback = exc_info 
    20173 TypeError: cannot unpack non-iterable NoneType object 
    20174  
    20175 TypeError: cannot unpack non-iterable NoneType object 
    20176  
    20177 File
    20178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20179 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20180 etype, evalue, etraceback = exc_info 
    20181  
    20182 See log for complete Python traceback. 
    20183  
    20184 Traceback (most recent call last): 
    20185 File
    20186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20187 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20188 return self._func(self._name, data) 
    20189 File
    20190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20191 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20192 if v.display: 
    20193 File
    20194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20195 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20196 return self._any_displayed_positions and len(self._positions) > 0 
    20197 TypeError: object of type 'NoneType' has no len() 
    20198  
    20199 During handling of the above exception, another exception occurred: 
    20200  
    20201 Traceback (most recent call last): 
    20202 File
    20203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20204 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20205 if not self.draw_new_frame(): 
    20206 File
    20207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20208 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20209 changed = view.check_for_drawing_change() 
    20210 File
    20211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20212 packages/chimerax/core/graphics/view.py", line 252, in
    20213 check_for_drawing_change 
    20214 trig.activate_trigger('graphics update', self) 
    20215 File
    20216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20217 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20218 trigger.activate(data) 
    20219 File
    20220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20221 packages/chimerax/core/triggerset.py", line 190, in activate 
    20222 ret = handler.invoke(data, self._remove_bad_handlers) 
    20223 File
    20224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20225 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20226 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20227 File
    20228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20229 packages/chimerax/core/session.py", line 943, in <lambda> 
    20230 logger.report_exception(preface=preface)) 
    20231 File
    20232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20233 packages/chimerax/core/logger.py", line 421, in report_exception 
    20234 elif probably_chimera1_session(exc_info): 
    20235 File
    20236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20237 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20238 etype, evalue, etraceback = exc_info 
    20239 TypeError: cannot unpack non-iterable NoneType object 
    20240  
    20241 TypeError: cannot unpack non-iterable NoneType object 
    20242  
    20243 File
    20244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20245 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20246 etype, evalue, etraceback = exc_info 
    20247  
    20248 See log for complete Python traceback. 
    20249  
    20250 Traceback (most recent call last): 
    20251 File
    20252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20253 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20254 return self._func(self._name, data) 
    20255 File
    20256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20257 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20258 if v.display: 
    20259 File
    20260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20261 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20262 return self._any_displayed_positions and len(self._positions) > 0 
    20263 TypeError: object of type 'NoneType' has no len() 
    20264  
    20265 During handling of the above exception, another exception occurred: 
    20266  
    20267 Traceback (most recent call last): 
    20268 File
    20269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20270 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20271 if not self.draw_new_frame(): 
    20272 File
    20273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20274 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20275 changed = view.check_for_drawing_change() 
    20276 File
    20277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20278 packages/chimerax/core/graphics/view.py", line 252, in
    20279 check_for_drawing_change 
    20280 trig.activate_trigger('graphics update', self) 
    20281 File
    20282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20283 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20284 trigger.activate(data) 
    20285 File
    20286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20287 packages/chimerax/core/triggerset.py", line 190, in activate 
    20288 ret = handler.invoke(data, self._remove_bad_handlers) 
    20289 File
    20290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20291 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20292 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20293 File
    20294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20295 packages/chimerax/core/session.py", line 943, in <lambda> 
    20296 logger.report_exception(preface=preface)) 
    20297 File
    20298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20299 packages/chimerax/core/logger.py", line 421, in report_exception 
    20300 elif probably_chimera1_session(exc_info): 
    20301 File
    20302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20303 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20304 etype, evalue, etraceback = exc_info 
    20305 TypeError: cannot unpack non-iterable NoneType object 
    20306  
    20307 TypeError: cannot unpack non-iterable NoneType object 
    20308  
    20309 File
    20310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20311 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20312 etype, evalue, etraceback = exc_info 
    20313  
    20314 See log for complete Python traceback. 
    20315  
    20316 Traceback (most recent call last): 
    20317 File
    20318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20319 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20320 return self._func(self._name, data) 
    20321 File
    20322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20323 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20324 if v.display: 
    20325 File
    20326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20327 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20328 return self._any_displayed_positions and len(self._positions) > 0 
    20329 TypeError: object of type 'NoneType' has no len() 
    20330  
    20331 During handling of the above exception, another exception occurred: 
    20332  
    20333 Traceback (most recent call last): 
    20334 File
    20335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20336 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20337 if not self.draw_new_frame(): 
    20338 File
    20339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20340 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20341 changed = view.check_for_drawing_change() 
    20342 File
    20343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20344 packages/chimerax/core/graphics/view.py", line 252, in
    20345 check_for_drawing_change 
    20346 trig.activate_trigger('graphics update', self) 
    20347 File
    20348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20349 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20350 trigger.activate(data) 
    20351 File
    20352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20353 packages/chimerax/core/triggerset.py", line 190, in activate 
    20354 ret = handler.invoke(data, self._remove_bad_handlers) 
    20355 File
    20356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20357 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20358 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20359 File
    20360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20361 packages/chimerax/core/session.py", line 943, in <lambda> 
    20362 logger.report_exception(preface=preface)) 
    20363 File
    20364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20365 packages/chimerax/core/logger.py", line 421, in report_exception 
    20366 elif probably_chimera1_session(exc_info): 
    20367 File
    20368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20369 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20370 etype, evalue, etraceback = exc_info 
    20371 TypeError: cannot unpack non-iterable NoneType object 
    20372  
    20373 TypeError: cannot unpack non-iterable NoneType object 
    20374  
    20375 File
    20376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20377 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20378 etype, evalue, etraceback = exc_info 
    20379  
    20380 See log for complete Python traceback. 
    20381  
    20382 Traceback (most recent call last): 
    20383 File
    20384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20385 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20386 return self._func(self._name, data) 
    20387 File
    20388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20389 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20390 if v.display: 
    20391 File
    20392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20393 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20394 return self._any_displayed_positions and len(self._positions) > 0 
    20395 TypeError: object of type 'NoneType' has no len() 
    20396  
    20397 During handling of the above exception, another exception occurred: 
    20398  
    20399 Traceback (most recent call last): 
    20400 File
    20401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20402 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20403 if not self.draw_new_frame(): 
    20404 File
    20405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20406 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20407 changed = view.check_for_drawing_change() 
    20408 File
    20409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20410 packages/chimerax/core/graphics/view.py", line 252, in
    20411 check_for_drawing_change 
    20412 trig.activate_trigger('graphics update', self) 
    20413 File
    20414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20415 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20416 trigger.activate(data) 
    20417 File
    20418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20419 packages/chimerax/core/triggerset.py", line 190, in activate 
    20420 ret = handler.invoke(data, self._remove_bad_handlers) 
    20421 File
    20422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20423 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20424 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20425 File
    20426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20427 packages/chimerax/core/session.py", line 943, in <lambda> 
    20428 logger.report_exception(preface=preface)) 
    20429 File
    20430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20431 packages/chimerax/core/logger.py", line 421, in report_exception 
    20432 elif probably_chimera1_session(exc_info): 
    20433 File
    20434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20435 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20436 etype, evalue, etraceback = exc_info 
    20437 TypeError: cannot unpack non-iterable NoneType object 
    20438  
    20439 TypeError: cannot unpack non-iterable NoneType object 
    20440  
    20441 File
    20442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20443 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20444 etype, evalue, etraceback = exc_info 
    20445  
    20446 See log for complete Python traceback. 
    20447  
    20448 Traceback (most recent call last): 
    20449 File
    20450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20451 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20452 return self._func(self._name, data) 
    20453 File
    20454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20455 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20456 if v.display: 
    20457 File
    20458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20459 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20460 return self._any_displayed_positions and len(self._positions) > 0 
    20461 TypeError: object of type 'NoneType' has no len() 
    20462  
    20463 During handling of the above exception, another exception occurred: 
    20464  
    20465 Traceback (most recent call last): 
    20466 File
    20467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20468 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20469 if not self.draw_new_frame(): 
    20470 File
    20471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20472 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20473 changed = view.check_for_drawing_change() 
    20474 File
    20475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20476 packages/chimerax/core/graphics/view.py", line 252, in
    20477 check_for_drawing_change 
    20478 trig.activate_trigger('graphics update', self) 
    20479 File
    20480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20481 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20482 trigger.activate(data) 
    20483 File
    20484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20485 packages/chimerax/core/triggerset.py", line 190, in activate 
    20486 ret = handler.invoke(data, self._remove_bad_handlers) 
    20487 File
    20488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20489 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20490 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20491 File
    20492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20493 packages/chimerax/core/session.py", line 943, in <lambda> 
    20494 logger.report_exception(preface=preface)) 
    20495 File
    20496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20497 packages/chimerax/core/logger.py", line 421, in report_exception 
    20498 elif probably_chimera1_session(exc_info): 
    20499 File
    20500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20501 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20502 etype, evalue, etraceback = exc_info 
    20503 TypeError: cannot unpack non-iterable NoneType object 
    20504  
    20505 TypeError: cannot unpack non-iterable NoneType object 
    20506  
    20507 File
    20508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20509 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20510 etype, evalue, etraceback = exc_info 
    20511  
    20512 See log for complete Python traceback. 
    20513  
    20514 Traceback (most recent call last): 
    20515 File
    20516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20517 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20518 return self._func(self._name, data) 
    20519 File
    20520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20521 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20522 if v.display: 
    20523 File
    20524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20525 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20526 return self._any_displayed_positions and len(self._positions) > 0 
    20527 TypeError: object of type 'NoneType' has no len() 
    20528  
    20529 During handling of the above exception, another exception occurred: 
    20530  
    20531 Traceback (most recent call last): 
    20532 File
    20533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20534 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20535 if not self.draw_new_frame(): 
    20536 File
    20537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20538 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20539 changed = view.check_for_drawing_change() 
    20540 File
    20541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20542 packages/chimerax/core/graphics/view.py", line 252, in
    20543 check_for_drawing_change 
    20544 trig.activate_trigger('graphics update', self) 
    20545 File
    20546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20547 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20548 trigger.activate(data) 
    20549 File
    20550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20551 packages/chimerax/core/triggerset.py", line 190, in activate 
    20552 ret = handler.invoke(data, self._remove_bad_handlers) 
    20553 File
    20554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20555 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20556 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20557 File
    20558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20559 packages/chimerax/core/session.py", line 943, in <lambda> 
    20560 logger.report_exception(preface=preface)) 
    20561 File
    20562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20563 packages/chimerax/core/logger.py", line 421, in report_exception 
    20564 elif probably_chimera1_session(exc_info): 
    20565 File
    20566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20567 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20568 etype, evalue, etraceback = exc_info 
    20569 TypeError: cannot unpack non-iterable NoneType object 
    20570  
    20571 TypeError: cannot unpack non-iterable NoneType object 
    20572  
    20573 File
    20574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20575 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20576 etype, evalue, etraceback = exc_info 
    20577  
    20578 See log for complete Python traceback. 
    20579  
    20580 Traceback (most recent call last): 
    20581 File
    20582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20583 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20584 return self._func(self._name, data) 
    20585 File
    20586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20587 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20588 if v.display: 
    20589 File
    20590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20591 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20592 return self._any_displayed_positions and len(self._positions) > 0 
    20593 TypeError: object of type 'NoneType' has no len() 
    20594  
    20595 During handling of the above exception, another exception occurred: 
    20596  
    20597 Traceback (most recent call last): 
    20598 File
    20599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20600 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20601 if not self.draw_new_frame(): 
    20602 File
    20603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20604 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20605 changed = view.check_for_drawing_change() 
    20606 File
    20607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20608 packages/chimerax/core/graphics/view.py", line 252, in
    20609 check_for_drawing_change 
    20610 trig.activate_trigger('graphics update', self) 
    20611 File
    20612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20613 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20614 trigger.activate(data) 
    20615 File
    20616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20617 packages/chimerax/core/triggerset.py", line 190, in activate 
    20618 ret = handler.invoke(data, self._remove_bad_handlers) 
    20619 File
    20620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20621 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20622 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20623 File
    20624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20625 packages/chimerax/core/session.py", line 943, in <lambda> 
    20626 logger.report_exception(preface=preface)) 
    20627 File
    20628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20629 packages/chimerax/core/logger.py", line 421, in report_exception 
    20630 elif probably_chimera1_session(exc_info): 
    20631 File
    20632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20633 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20634 etype, evalue, etraceback = exc_info 
    20635 TypeError: cannot unpack non-iterable NoneType object 
    20636  
    20637 TypeError: cannot unpack non-iterable NoneType object 
    20638  
    20639 File
    20640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20641 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20642 etype, evalue, etraceback = exc_info 
    20643  
    20644 See log for complete Python traceback. 
    20645  
    20646 Traceback (most recent call last): 
    20647 File
    20648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20649 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20650 return self._func(self._name, data) 
    20651 File
    20652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20653 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20654 if v.display: 
    20655 File
    20656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20657 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20658 return self._any_displayed_positions and len(self._positions) > 0 
    20659 TypeError: object of type 'NoneType' has no len() 
    20660  
    20661 During handling of the above exception, another exception occurred: 
    20662  
    20663 Traceback (most recent call last): 
    20664 File
    20665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20666 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20667 if not self.draw_new_frame(): 
    20668 File
    20669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20670 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20671 changed = view.check_for_drawing_change() 
    20672 File
    20673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20674 packages/chimerax/core/graphics/view.py", line 252, in
    20675 check_for_drawing_change 
    20676 trig.activate_trigger('graphics update', self) 
    20677 File
    20678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20679 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20680 trigger.activate(data) 
    20681 File
    20682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20683 packages/chimerax/core/triggerset.py", line 190, in activate 
    20684 ret = handler.invoke(data, self._remove_bad_handlers) 
    20685 File
    20686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20687 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20688 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20689 File
    20690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20691 packages/chimerax/core/session.py", line 943, in <lambda> 
    20692 logger.report_exception(preface=preface)) 
    20693 File
    20694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20695 packages/chimerax/core/logger.py", line 421, in report_exception 
    20696 elif probably_chimera1_session(exc_info): 
    20697 File
    20698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20699 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20700 etype, evalue, etraceback = exc_info 
    20701 TypeError: cannot unpack non-iterable NoneType object 
    20702  
    20703 TypeError: cannot unpack non-iterable NoneType object 
    20704  
    20705 File
    20706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20707 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20708 etype, evalue, etraceback = exc_info 
    20709  
    20710 See log for complete Python traceback. 
    20711  
    20712 Traceback (most recent call last): 
    20713 File
    20714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20715 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20716 return self._func(self._name, data) 
    20717 File
    20718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20719 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20720 if v.display: 
    20721 File
    20722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20723 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20724 return self._any_displayed_positions and len(self._positions) > 0 
    20725 TypeError: object of type 'NoneType' has no len() 
    20726  
    20727 During handling of the above exception, another exception occurred: 
    20728  
    20729 Traceback (most recent call last): 
    20730 File
    20731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20732 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20733 if not self.draw_new_frame(): 
    20734 File
    20735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20736 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20737 changed = view.check_for_drawing_change() 
    20738 File
    20739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20740 packages/chimerax/core/graphics/view.py", line 252, in
    20741 check_for_drawing_change 
    20742 trig.activate_trigger('graphics update', self) 
    20743 File
    20744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20745 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20746 trigger.activate(data) 
    20747 File
    20748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20749 packages/chimerax/core/triggerset.py", line 190, in activate 
    20750 ret = handler.invoke(data, self._remove_bad_handlers) 
    20751 File
    20752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20753 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20754 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20755 File
    20756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20757 packages/chimerax/core/session.py", line 943, in <lambda> 
    20758 logger.report_exception(preface=preface)) 
    20759 File
    20760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20761 packages/chimerax/core/logger.py", line 421, in report_exception 
    20762 elif probably_chimera1_session(exc_info): 
    20763 File
    20764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20765 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20766 etype, evalue, etraceback = exc_info 
    20767 TypeError: cannot unpack non-iterable NoneType object 
    20768  
    20769 TypeError: cannot unpack non-iterable NoneType object 
    20770  
    20771 File
    20772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20773 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20774 etype, evalue, etraceback = exc_info 
    20775  
    20776 See log for complete Python traceback. 
    20777  
    20778 Traceback (most recent call last): 
    20779 File
    20780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20781 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20782 return self._func(self._name, data) 
    20783 File
    20784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20785 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20786 if v.display: 
    20787 File
    20788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20789 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20790 return self._any_displayed_positions and len(self._positions) > 0 
    20791 TypeError: object of type 'NoneType' has no len() 
    20792  
    20793 During handling of the above exception, another exception occurred: 
    20794  
    20795 Traceback (most recent call last): 
    20796 File
    20797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20798 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20799 if not self.draw_new_frame(): 
    20800 File
    20801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20802 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20803 changed = view.check_for_drawing_change() 
    20804 File
    20805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20806 packages/chimerax/core/graphics/view.py", line 252, in
    20807 check_for_drawing_change 
    20808 trig.activate_trigger('graphics update', self) 
    20809 File
    20810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20811 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20812 trigger.activate(data) 
    20813 File
    20814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20815 packages/chimerax/core/triggerset.py", line 190, in activate 
    20816 ret = handler.invoke(data, self._remove_bad_handlers) 
    20817 File
    20818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20819 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20820 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20821 File
    20822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20823 packages/chimerax/core/session.py", line 943, in <lambda> 
    20824 logger.report_exception(preface=preface)) 
    20825 File
    20826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20827 packages/chimerax/core/logger.py", line 421, in report_exception 
    20828 elif probably_chimera1_session(exc_info): 
    20829 File
    20830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20831 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20832 etype, evalue, etraceback = exc_info 
    20833 TypeError: cannot unpack non-iterable NoneType object 
    20834  
    20835 TypeError: cannot unpack non-iterable NoneType object 
    20836  
    20837 File
    20838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20839 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20840 etype, evalue, etraceback = exc_info 
    20841  
    20842 See log for complete Python traceback. 
    20843  
    20844 Traceback (most recent call last): 
    20845 File
    20846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20847 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20848 return self._func(self._name, data) 
    20849 File
    20850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20851 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20852 if v.display: 
    20853 File
    20854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20855 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20856 return self._any_displayed_positions and len(self._positions) > 0 
    20857 TypeError: object of type 'NoneType' has no len() 
    20858  
    20859 During handling of the above exception, another exception occurred: 
    20860  
    20861 Traceback (most recent call last): 
    20862 File
    20863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20864 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20865 if not self.draw_new_frame(): 
    20866 File
    20867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20868 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20869 changed = view.check_for_drawing_change() 
    20870 File
    20871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20872 packages/chimerax/core/graphics/view.py", line 252, in
    20873 check_for_drawing_change 
    20874 trig.activate_trigger('graphics update', self) 
    20875 File
    20876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20877 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20878 trigger.activate(data) 
    20879 File
    20880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20881 packages/chimerax/core/triggerset.py", line 190, in activate 
    20882 ret = handler.invoke(data, self._remove_bad_handlers) 
    20883 File
    20884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20885 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20886 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20887 File
    20888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20889 packages/chimerax/core/session.py", line 943, in <lambda> 
    20890 logger.report_exception(preface=preface)) 
    20891 File
    20892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20893 packages/chimerax/core/logger.py", line 421, in report_exception 
    20894 elif probably_chimera1_session(exc_info): 
    20895 File
    20896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20897 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20898 etype, evalue, etraceback = exc_info 
    20899 TypeError: cannot unpack non-iterable NoneType object 
    20900  
    20901 TypeError: cannot unpack non-iterable NoneType object 
    20902  
    20903 File
    20904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20905 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20906 etype, evalue, etraceback = exc_info 
    20907  
    20908 See log for complete Python traceback. 
    20909  
    20910 Traceback (most recent call last): 
    20911 File
    20912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20913 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20914 return self._func(self._name, data) 
    20915 File
    20916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20917 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20918 if v.display: 
    20919 File
    20920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20921 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20922 return self._any_displayed_positions and len(self._positions) > 0 
    20923 TypeError: object of type 'NoneType' has no len() 
    20924  
    20925 During handling of the above exception, another exception occurred: 
    20926  
    20927 Traceback (most recent call last): 
    20928 File
    20929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20930 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20931 if not self.draw_new_frame(): 
    20932 File
    20933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20934 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20935 changed = view.check_for_drawing_change() 
    20936 File
    20937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20938 packages/chimerax/core/graphics/view.py", line 252, in
    20939 check_for_drawing_change 
    20940 trig.activate_trigger('graphics update', self) 
    20941 File
    20942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20943 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20944 trigger.activate(data) 
    20945 File
    20946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20947 packages/chimerax/core/triggerset.py", line 190, in activate 
    20948 ret = handler.invoke(data, self._remove_bad_handlers) 
    20949 File
    20950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20951 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20952 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20953 File
    20954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20955 packages/chimerax/core/session.py", line 943, in <lambda> 
    20956 logger.report_exception(preface=preface)) 
    20957 File
    20958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20959 packages/chimerax/core/logger.py", line 421, in report_exception 
    20960 elif probably_chimera1_session(exc_info): 
    20961 File
    20962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20963 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20964 etype, evalue, etraceback = exc_info 
    20965 TypeError: cannot unpack non-iterable NoneType object 
    20966  
    20967 TypeError: cannot unpack non-iterable NoneType object 
    20968  
    20969 File
    20970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20971 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20972 etype, evalue, etraceback = exc_info 
    20973  
    20974 See log for complete Python traceback. 
    20975  
    20976 Traceback (most recent call last): 
    20977 File
    20978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20979 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20980 return self._func(self._name, data) 
    20981 File
    20982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20983 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20984 if v.display: 
    20985 File
    20986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20987 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20988 return self._any_displayed_positions and len(self._positions) > 0 
    20989 TypeError: object of type 'NoneType' has no len() 
    20990  
    20991 During handling of the above exception, another exception occurred: 
    20992  
    20993 Traceback (most recent call last): 
    20994 File
    20995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20996 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20997 if not self.draw_new_frame(): 
    20998 File
    20999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21000 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21001 changed = view.check_for_drawing_change() 
    21002 File
    21003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21004 packages/chimerax/core/graphics/view.py", line 252, in
    21005 check_for_drawing_change 
    21006 trig.activate_trigger('graphics update', self) 
    21007 File
    21008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21009 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21010 trigger.activate(data) 
    21011 File
    21012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21013 packages/chimerax/core/triggerset.py", line 190, in activate 
    21014 ret = handler.invoke(data, self._remove_bad_handlers) 
    21015 File
    21016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21017 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21018 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21019 File
    21020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21021 packages/chimerax/core/session.py", line 943, in <lambda> 
    21022 logger.report_exception(preface=preface)) 
    21023 File
    21024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21025 packages/chimerax/core/logger.py", line 421, in report_exception 
    21026 elif probably_chimera1_session(exc_info): 
    21027 File
    21028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21029 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21030 etype, evalue, etraceback = exc_info 
    21031 TypeError: cannot unpack non-iterable NoneType object 
    21032  
    21033 TypeError: cannot unpack non-iterable NoneType object 
    21034  
    21035 File
    21036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21037 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21038 etype, evalue, etraceback = exc_info 
    21039  
    21040 See log for complete Python traceback. 
    21041  
    21042 Traceback (most recent call last): 
    21043 File
    21044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21045 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21046 return self._func(self._name, data) 
    21047 File
    21048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21049 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21050 if v.display: 
    21051 File
    21052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21053 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21054 return self._any_displayed_positions and len(self._positions) > 0 
    21055 TypeError: object of type 'NoneType' has no len() 
    21056  
    21057 During handling of the above exception, another exception occurred: 
    21058  
    21059 Traceback (most recent call last): 
    21060 File
    21061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21062 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21063 if not self.draw_new_frame(): 
    21064 File
    21065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21066 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21067 changed = view.check_for_drawing_change() 
    21068 File
    21069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21070 packages/chimerax/core/graphics/view.py", line 252, in
    21071 check_for_drawing_change 
    21072 trig.activate_trigger('graphics update', self) 
    21073 File
    21074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21075 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21076 trigger.activate(data) 
    21077 File
    21078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21079 packages/chimerax/core/triggerset.py", line 190, in activate 
    21080 ret = handler.invoke(data, self._remove_bad_handlers) 
    21081 File
    21082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21083 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21084 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21085 File
    21086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21087 packages/chimerax/core/session.py", line 943, in <lambda> 
    21088 logger.report_exception(preface=preface)) 
    21089 File
    21090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21091 packages/chimerax/core/logger.py", line 421, in report_exception 
    21092 elif probably_chimera1_session(exc_info): 
    21093 File
    21094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21095 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21096 etype, evalue, etraceback = exc_info 
    21097 TypeError: cannot unpack non-iterable NoneType object 
    21098  
    21099 TypeError: cannot unpack non-iterable NoneType object 
    21100  
    21101 File
    21102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21103 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21104 etype, evalue, etraceback = exc_info 
    21105  
    21106 See log for complete Python traceback. 
    21107  
    21108 Traceback (most recent call last): 
    21109 File
    21110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21111 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21112 return self._func(self._name, data) 
    21113 File
    21114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21115 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21116 if v.display: 
    21117 File
    21118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21119 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21120 return self._any_displayed_positions and len(self._positions) > 0 
    21121 TypeError: object of type 'NoneType' has no len() 
    21122  
    21123 During handling of the above exception, another exception occurred: 
    21124  
    21125 Traceback (most recent call last): 
    21126 File
    21127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21128 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21129 if not self.draw_new_frame(): 
    21130 File
    21131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21132 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21133 changed = view.check_for_drawing_change() 
    21134 File
    21135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21136 packages/chimerax/core/graphics/view.py", line 252, in
    21137 check_for_drawing_change 
    21138 trig.activate_trigger('graphics update', self) 
    21139 File
    21140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21141 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21142 trigger.activate(data) 
    21143 File
    21144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21145 packages/chimerax/core/triggerset.py", line 190, in activate 
    21146 ret = handler.invoke(data, self._remove_bad_handlers) 
    21147 File
    21148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21149 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21150 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21151 File
    21152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21153 packages/chimerax/core/session.py", line 943, in <lambda> 
    21154 logger.report_exception(preface=preface)) 
    21155 File
    21156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21157 packages/chimerax/core/logger.py", line 421, in report_exception 
    21158 elif probably_chimera1_session(exc_info): 
    21159 File
    21160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21161 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21162 etype, evalue, etraceback = exc_info 
    21163 TypeError: cannot unpack non-iterable NoneType object 
    21164  
    21165 TypeError: cannot unpack non-iterable NoneType object 
    21166  
    21167 File
    21168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21169 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21170 etype, evalue, etraceback = exc_info 
    21171  
    21172 See log for complete Python traceback. 
    21173  
    21174 Traceback (most recent call last): 
    21175 File
    21176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21177 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21178 return self._func(self._name, data) 
    21179 File
    21180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21181 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21182 if v.display: 
    21183 File
    21184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21185 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21186 return self._any_displayed_positions and len(self._positions) > 0 
    21187 TypeError: object of type 'NoneType' has no len() 
    21188  
    21189 During handling of the above exception, another exception occurred: 
    21190  
    21191 Traceback (most recent call last): 
    21192 File
    21193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21194 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21195 if not self.draw_new_frame(): 
    21196 File
    21197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21198 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21199 changed = view.check_for_drawing_change() 
    21200 File
    21201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21202 packages/chimerax/core/graphics/view.py", line 252, in
    21203 check_for_drawing_change 
    21204 trig.activate_trigger('graphics update', self) 
    21205 File
    21206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21207 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21208 trigger.activate(data) 
    21209 File
    21210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21211 packages/chimerax/core/triggerset.py", line 190, in activate 
    21212 ret = handler.invoke(data, self._remove_bad_handlers) 
    21213 File
    21214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21215 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21216 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21217 File
    21218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21219 packages/chimerax/core/session.py", line 943, in <lambda> 
    21220 logger.report_exception(preface=preface)) 
    21221 File
    21222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21223 packages/chimerax/core/logger.py", line 421, in report_exception 
    21224 elif probably_chimera1_session(exc_info): 
    21225 File
    21226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21227 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21228 etype, evalue, etraceback = exc_info 
    21229 TypeError: cannot unpack non-iterable NoneType object 
    21230  
    21231 TypeError: cannot unpack non-iterable NoneType object 
    21232  
    21233 File
    21234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21235 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21236 etype, evalue, etraceback = exc_info 
    21237  
    21238 See log for complete Python traceback. 
    21239  
    21240 Traceback (most recent call last): 
    21241 File
    21242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21243 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21244 return self._func(self._name, data) 
    21245 File
    21246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21247 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21248 if v.display: 
    21249 File
    21250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21251 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21252 return self._any_displayed_positions and len(self._positions) > 0 
    21253 TypeError: object of type 'NoneType' has no len() 
    21254  
    21255 During handling of the above exception, another exception occurred: 
    21256  
    21257 Traceback (most recent call last): 
    21258 File
    21259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21260 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21261 if not self.draw_new_frame(): 
    21262 File
    21263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21264 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21265 changed = view.check_for_drawing_change() 
    21266 File
    21267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21268 packages/chimerax/core/graphics/view.py", line 252, in
    21269 check_for_drawing_change 
    21270 trig.activate_trigger('graphics update', self) 
    21271 File
    21272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21273 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21274 trigger.activate(data) 
    21275 File
    21276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21277 packages/chimerax/core/triggerset.py", line 190, in activate 
    21278 ret = handler.invoke(data, self._remove_bad_handlers) 
    21279 File
    21280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21281 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21282 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21283 File
    21284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21285 packages/chimerax/core/session.py", line 943, in <lambda> 
    21286 logger.report_exception(preface=preface)) 
    21287 File
    21288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21289 packages/chimerax/core/logger.py", line 421, in report_exception 
    21290 elif probably_chimera1_session(exc_info): 
    21291 File
    21292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21293 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21294 etype, evalue, etraceback = exc_info 
    21295 TypeError: cannot unpack non-iterable NoneType object 
    21296  
    21297 TypeError: cannot unpack non-iterable NoneType object 
    21298  
    21299 File
    21300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21301 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21302 etype, evalue, etraceback = exc_info 
    21303  
    21304 See log for complete Python traceback. 
    21305  
    21306 Traceback (most recent call last): 
    21307 File
    21308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21309 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21310 return self._func(self._name, data) 
    21311 File
    21312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21313 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21314 if v.display: 
    21315 File
    21316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21317 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21318 return self._any_displayed_positions and len(self._positions) > 0 
    21319 TypeError: object of type 'NoneType' has no len() 
    21320  
    21321 During handling of the above exception, another exception occurred: 
    21322  
    21323 Traceback (most recent call last): 
    21324 File
    21325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21326 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21327 if not self.draw_new_frame(): 
    21328 File
    21329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21330 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21331 changed = view.check_for_drawing_change() 
    21332 File
    21333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21334 packages/chimerax/core/graphics/view.py", line 252, in
    21335 check_for_drawing_change 
    21336 trig.activate_trigger('graphics update', self) 
    21337 File
    21338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21339 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21340 trigger.activate(data) 
    21341 File
    21342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21343 packages/chimerax/core/triggerset.py", line 190, in activate 
    21344 ret = handler.invoke(data, self._remove_bad_handlers) 
    21345 File
    21346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21347 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21348 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21349 File
    21350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21351 packages/chimerax/core/session.py", line 943, in <lambda> 
    21352 logger.report_exception(preface=preface)) 
    21353 File
    21354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21355 packages/chimerax/core/logger.py", line 421, in report_exception 
    21356 elif probably_chimera1_session(exc_info): 
    21357 File
    21358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21359 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21360 etype, evalue, etraceback = exc_info 
    21361 TypeError: cannot unpack non-iterable NoneType object 
    21362  
    21363 TypeError: cannot unpack non-iterable NoneType object 
    21364  
    21365 File
    21366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21367 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21368 etype, evalue, etraceback = exc_info 
    21369  
    21370 See log for complete Python traceback. 
    21371  
    21372 Traceback (most recent call last): 
    21373 File
    21374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21375 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21376 return self._func(self._name, data) 
    21377 File
    21378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21379 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21380 if v.display: 
    21381 File
    21382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21383 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21384 return self._any_displayed_positions and len(self._positions) > 0 
    21385 TypeError: object of type 'NoneType' has no len() 
    21386  
    21387 During handling of the above exception, another exception occurred: 
    21388  
    21389 Traceback (most recent call last): 
    21390 File
    21391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21392 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21393 if not self.draw_new_frame(): 
    21394 File
    21395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21396 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21397 changed = view.check_for_drawing_change() 
    21398 File
    21399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21400 packages/chimerax/core/graphics/view.py", line 252, in
    21401 check_for_drawing_change 
    21402 trig.activate_trigger('graphics update', self) 
    21403 File
    21404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21405 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21406 trigger.activate(data) 
    21407 File
    21408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21409 packages/chimerax/core/triggerset.py", line 190, in activate 
    21410 ret = handler.invoke(data, self._remove_bad_handlers) 
    21411 File
    21412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21413 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21414 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21415 File
    21416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21417 packages/chimerax/core/session.py", line 943, in <lambda> 
    21418 logger.report_exception(preface=preface)) 
    21419 File
    21420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21421 packages/chimerax/core/logger.py", line 421, in report_exception 
    21422 elif probably_chimera1_session(exc_info): 
    21423 File
    21424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21425 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21426 etype, evalue, etraceback = exc_info 
    21427 TypeError: cannot unpack non-iterable NoneType object 
    21428  
    21429 TypeError: cannot unpack non-iterable NoneType object 
    21430  
    21431 File
    21432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21433 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21434 etype, evalue, etraceback = exc_info 
    21435  
    21436 See log for complete Python traceback. 
    21437  
    21438 Traceback (most recent call last): 
    21439 File
    21440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21441 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21442 return self._func(self._name, data) 
    21443 File
    21444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21445 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21446 if v.display: 
    21447 File
    21448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21449 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21450 return self._any_displayed_positions and len(self._positions) > 0 
    21451 TypeError: object of type 'NoneType' has no len() 
    21452  
    21453 During handling of the above exception, another exception occurred: 
    21454  
    21455 Traceback (most recent call last): 
    21456 File
    21457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21458 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21459 if not self.draw_new_frame(): 
    21460 File
    21461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21462 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21463 changed = view.check_for_drawing_change() 
    21464 File
    21465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21466 packages/chimerax/core/graphics/view.py", line 252, in
    21467 check_for_drawing_change 
    21468 trig.activate_trigger('graphics update', self) 
    21469 File
    21470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21471 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21472 trigger.activate(data) 
    21473 File
    21474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21475 packages/chimerax/core/triggerset.py", line 190, in activate 
    21476 ret = handler.invoke(data, self._remove_bad_handlers) 
    21477 File
    21478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21479 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21480 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21481 File
    21482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21483 packages/chimerax/core/session.py", line 943, in <lambda> 
    21484 logger.report_exception(preface=preface)) 
    21485 File
    21486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21487 packages/chimerax/core/logger.py", line 421, in report_exception 
    21488 elif probably_chimera1_session(exc_info): 
    21489 File
    21490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21491 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21492 etype, evalue, etraceback = exc_info 
    21493 TypeError: cannot unpack non-iterable NoneType object 
    21494  
    21495 TypeError: cannot unpack non-iterable NoneType object 
    21496  
    21497 File
    21498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21499 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21500 etype, evalue, etraceback = exc_info 
    21501  
    21502 See log for complete Python traceback. 
    21503  
    21504 Traceback (most recent call last): 
    21505 File
    21506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21507 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21508 return self._func(self._name, data) 
    21509 File
    21510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21511 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21512 if v.display: 
    21513 File
    21514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21515 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21516 return self._any_displayed_positions and len(self._positions) > 0 
    21517 TypeError: object of type 'NoneType' has no len() 
    21518  
    21519 During handling of the above exception, another exception occurred: 
    21520  
    21521 Traceback (most recent call last): 
    21522 File
    21523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21524 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21525 if not self.draw_new_frame(): 
    21526 File
    21527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21528 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21529 changed = view.check_for_drawing_change() 
    21530 File
    21531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21532 packages/chimerax/core/graphics/view.py", line 252, in
    21533 check_for_drawing_change 
    21534 trig.activate_trigger('graphics update', self) 
    21535 File
    21536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21537 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21538 trigger.activate(data) 
    21539 File
    21540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21541 packages/chimerax/core/triggerset.py", line 190, in activate 
    21542 ret = handler.invoke(data, self._remove_bad_handlers) 
    21543 File
    21544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21545 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21546 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21547 File
    21548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21549 packages/chimerax/core/session.py", line 943, in <lambda> 
    21550 logger.report_exception(preface=preface)) 
    21551 File
    21552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21553 packages/chimerax/core/logger.py", line 421, in report_exception 
    21554 elif probably_chimera1_session(exc_info): 
    21555 File
    21556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21557 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21558 etype, evalue, etraceback = exc_info 
    21559 TypeError: cannot unpack non-iterable NoneType object 
    21560  
    21561 TypeError: cannot unpack non-iterable NoneType object 
    21562  
    21563 File
    21564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21565 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21566 etype, evalue, etraceback = exc_info 
    21567  
    21568 See log for complete Python traceback. 
    21569  
    21570 Traceback (most recent call last): 
    21571 File
    21572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21573 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21574 return self._func(self._name, data) 
    21575 File
    21576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21577 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21578 if v.display: 
    21579 File
    21580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21581 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21582 return self._any_displayed_positions and len(self._positions) > 0 
    21583 TypeError: object of type 'NoneType' has no len() 
    21584  
    21585 During handling of the above exception, another exception occurred: 
    21586  
    21587 Traceback (most recent call last): 
    21588 File
    21589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21590 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21591 if not self.draw_new_frame(): 
    21592 File
    21593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21594 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21595 changed = view.check_for_drawing_change() 
    21596 File
    21597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21598 packages/chimerax/core/graphics/view.py", line 252, in
    21599 check_for_drawing_change 
    21600 trig.activate_trigger('graphics update', self) 
    21601 File
    21602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21603 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21604 trigger.activate(data) 
    21605 File
    21606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21607 packages/chimerax/core/triggerset.py", line 190, in activate 
    21608 ret = handler.invoke(data, self._remove_bad_handlers) 
    21609 File
    21610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21611 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21612 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21613 File
    21614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21615 packages/chimerax/core/session.py", line 943, in <lambda> 
    21616 logger.report_exception(preface=preface)) 
    21617 File
    21618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21619 packages/chimerax/core/logger.py", line 421, in report_exception 
    21620 elif probably_chimera1_session(exc_info): 
    21621 File
    21622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21623 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21624 etype, evalue, etraceback = exc_info 
    21625 TypeError: cannot unpack non-iterable NoneType object 
    21626  
    21627 TypeError: cannot unpack non-iterable NoneType object 
    21628  
    21629 File
    21630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21631 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21632 etype, evalue, etraceback = exc_info 
    21633  
    21634 See log for complete Python traceback. 
    21635  
    21636 Traceback (most recent call last): 
    21637 File
    21638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21639 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21640 return self._func(self._name, data) 
    21641 File
    21642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21643 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21644 if v.display: 
    21645 File
    21646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21647 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21648 return self._any_displayed_positions and len(self._positions) > 0 
    21649 TypeError: object of type 'NoneType' has no len() 
    21650  
    21651 During handling of the above exception, another exception occurred: 
    21652  
    21653 Traceback (most recent call last): 
    21654 File
    21655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21656 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21657 if not self.draw_new_frame(): 
    21658 File
    21659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21660 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21661 changed = view.check_for_drawing_change() 
    21662 File
    21663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21664 packages/chimerax/core/graphics/view.py", line 252, in
    21665 check_for_drawing_change 
    21666 trig.activate_trigger('graphics update', self) 
    21667 File
    21668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21669 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21670 trigger.activate(data) 
    21671 File
    21672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21673 packages/chimerax/core/triggerset.py", line 190, in activate 
    21674 ret = handler.invoke(data, self._remove_bad_handlers) 
    21675 File
    21676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21677 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21678 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21679 File
    21680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21681 packages/chimerax/core/session.py", line 943, in <lambda> 
    21682 logger.report_exception(preface=preface)) 
    21683 File
    21684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21685 packages/chimerax/core/logger.py", line 421, in report_exception 
    21686 elif probably_chimera1_session(exc_info): 
    21687 File
    21688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21689 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21690 etype, evalue, etraceback = exc_info 
    21691 TypeError: cannot unpack non-iterable NoneType object 
    21692  
    21693 TypeError: cannot unpack non-iterable NoneType object 
    21694  
    21695 File
    21696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21697 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21698 etype, evalue, etraceback = exc_info 
    21699  
    21700 See log for complete Python traceback. 
    21701  
    21702 Traceback (most recent call last): 
    21703 File
    21704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21705 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21706 return self._func(self._name, data) 
    21707 File
    21708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21709 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21710 if v.display: 
    21711 File
    21712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21713 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21714 return self._any_displayed_positions and len(self._positions) > 0 
    21715 TypeError: object of type 'NoneType' has no len() 
    21716  
    21717 During handling of the above exception, another exception occurred: 
    21718  
    21719 Traceback (most recent call last): 
    21720 File
    21721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21722 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21723 if not self.draw_new_frame(): 
    21724 File
    21725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21726 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21727 changed = view.check_for_drawing_change() 
    21728 File
    21729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21730 packages/chimerax/core/graphics/view.py", line 252, in
    21731 check_for_drawing_change 
    21732 trig.activate_trigger('graphics update', self) 
    21733 File
    21734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21735 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21736 trigger.activate(data) 
    21737 File
    21738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21739 packages/chimerax/core/triggerset.py", line 190, in activate 
    21740 ret = handler.invoke(data, self._remove_bad_handlers) 
    21741 File
    21742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21743 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21744 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21745 File
    21746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21747 packages/chimerax/core/session.py", line 943, in <lambda> 
    21748 logger.report_exception(preface=preface)) 
    21749 File
    21750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21751 packages/chimerax/core/logger.py", line 421, in report_exception 
    21752 elif probably_chimera1_session(exc_info): 
    21753 File
    21754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21755 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21756 etype, evalue, etraceback = exc_info 
    21757 TypeError: cannot unpack non-iterable NoneType object 
    21758  
    21759 TypeError: cannot unpack non-iterable NoneType object 
    21760  
    21761 File
    21762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21763 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21764 etype, evalue, etraceback = exc_info 
    21765  
    21766 See log for complete Python traceback. 
    21767  
    21768 Traceback (most recent call last): 
    21769 File
    21770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21771 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21772 return self._func(self._name, data) 
    21773 File
    21774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21775 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21776 if v.display: 
    21777 File
    21778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21779 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21780 return self._any_displayed_positions and len(self._positions) > 0 
    21781 TypeError: object of type 'NoneType' has no len() 
    21782  
    21783 During handling of the above exception, another exception occurred: 
    21784  
    21785 Traceback (most recent call last): 
    21786 File
    21787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21788 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21789 if not self.draw_new_frame(): 
    21790 File
    21791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21792 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21793 changed = view.check_for_drawing_change() 
    21794 File
    21795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21796 packages/chimerax/core/graphics/view.py", line 252, in
    21797 check_for_drawing_change 
    21798 trig.activate_trigger('graphics update', self) 
    21799 File
    21800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21801 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21802 trigger.activate(data) 
    21803 File
    21804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21805 packages/chimerax/core/triggerset.py", line 190, in activate 
    21806 ret = handler.invoke(data, self._remove_bad_handlers) 
    21807 File
    21808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21809 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21810 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21811 File
    21812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21813 packages/chimerax/core/session.py", line 943, in <lambda> 
    21814 logger.report_exception(preface=preface)) 
    21815 File
    21816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21817 packages/chimerax/core/logger.py", line 421, in report_exception 
    21818 elif probably_chimera1_session(exc_info): 
    21819 File
    21820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21821 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21822 etype, evalue, etraceback = exc_info 
    21823 TypeError: cannot unpack non-iterable NoneType object 
    21824  
    21825 TypeError: cannot unpack non-iterable NoneType object 
    21826  
    21827 File
    21828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21829 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21830 etype, evalue, etraceback = exc_info 
    21831  
    21832 See log for complete Python traceback. 
    21833  
    21834 Traceback (most recent call last): 
    21835 File
    21836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21837 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21838 return self._func(self._name, data) 
    21839 File
    21840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21841 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21842 if v.display: 
    21843 File
    21844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21845 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21846 return self._any_displayed_positions and len(self._positions) > 0 
    21847 TypeError: object of type 'NoneType' has no len() 
    21848  
    21849 During handling of the above exception, another exception occurred: 
    21850  
    21851 Traceback (most recent call last): 
    21852 File
    21853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21854 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21855 if not self.draw_new_frame(): 
    21856 File
    21857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21858 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21859 changed = view.check_for_drawing_change() 
    21860 File
    21861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21862 packages/chimerax/core/graphics/view.py", line 252, in
    21863 check_for_drawing_change 
    21864 trig.activate_trigger('graphics update', self) 
    21865 File
    21866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21867 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21868 trigger.activate(data) 
    21869 File
    21870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21871 packages/chimerax/core/triggerset.py", line 190, in activate 
    21872 ret = handler.invoke(data, self._remove_bad_handlers) 
    21873 File
    21874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21875 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21876 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21877 File
    21878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21879 packages/chimerax/core/session.py", line 943, in <lambda> 
    21880 logger.report_exception(preface=preface)) 
    21881 File
    21882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21883 packages/chimerax/core/logger.py", line 421, in report_exception 
    21884 elif probably_chimera1_session(exc_info): 
    21885 File
    21886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21887 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21888 etype, evalue, etraceback = exc_info 
    21889 TypeError: cannot unpack non-iterable NoneType object 
    21890  
    21891 TypeError: cannot unpack non-iterable NoneType object 
    21892  
    21893 File
    21894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21895 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21896 etype, evalue, etraceback = exc_info 
    21897  
    21898 See log for complete Python traceback. 
    21899  
    21900 Traceback (most recent call last): 
    21901 File
    21902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21903 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21904 return self._func(self._name, data) 
    21905 File
    21906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21907 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21908 if v.display: 
    21909 File
    21910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21911 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21912 return self._any_displayed_positions and len(self._positions) > 0 
    21913 TypeError: object of type 'NoneType' has no len() 
    21914  
    21915 During handling of the above exception, another exception occurred: 
    21916  
    21917 Traceback (most recent call last): 
    21918 File
    21919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21920 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21921 if not self.draw_new_frame(): 
    21922 File
    21923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21924 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21925 changed = view.check_for_drawing_change() 
    21926 File
    21927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21928 packages/chimerax/core/graphics/view.py", line 252, in
    21929 check_for_drawing_change 
    21930 trig.activate_trigger('graphics update', self) 
    21931 File
    21932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21933 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21934 trigger.activate(data) 
    21935 File
    21936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21937 packages/chimerax/core/triggerset.py", line 190, in activate 
    21938 ret = handler.invoke(data, self._remove_bad_handlers) 
    21939 File
    21940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21941 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21942 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21943 File
    21944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21945 packages/chimerax/core/session.py", line 943, in <lambda> 
    21946 logger.report_exception(preface=preface)) 
    21947 File
    21948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21949 packages/chimerax/core/logger.py", line 421, in report_exception 
    21950 elif probably_chimera1_session(exc_info): 
    21951 File
    21952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21953 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21954 etype, evalue, etraceback = exc_info 
    21955 TypeError: cannot unpack non-iterable NoneType object 
    21956  
    21957 TypeError: cannot unpack non-iterable NoneType object 
    21958  
    21959 File
    21960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21961 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21962 etype, evalue, etraceback = exc_info 
    21963  
    21964 See log for complete Python traceback. 
    21965  
    21966 Traceback (most recent call last): 
    21967 File
    21968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21969 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21970 return self._func(self._name, data) 
    21971 File
    21972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21973 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21974 if v.display: 
    21975 File
    21976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21977 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21978 return self._any_displayed_positions and len(self._positions) > 0 
    21979 TypeError: object of type 'NoneType' has no len() 
    21980  
    21981 During handling of the above exception, another exception occurred: 
    21982  
    21983 Traceback (most recent call last): 
    21984 File
    21985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21986 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21987 if not self.draw_new_frame(): 
    21988 File
    21989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21990 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21991 changed = view.check_for_drawing_change() 
    21992 File
    21993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21994 packages/chimerax/core/graphics/view.py", line 252, in
    21995 check_for_drawing_change 
    21996 trig.activate_trigger('graphics update', self) 
    21997 File
    21998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21999 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22000 trigger.activate(data) 
    22001 File
    22002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22003 packages/chimerax/core/triggerset.py", line 190, in activate 
    22004 ret = handler.invoke(data, self._remove_bad_handlers) 
    22005 File
    22006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22007 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22008 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22009 File
    22010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22011 packages/chimerax/core/session.py", line 943, in <lambda> 
    22012 logger.report_exception(preface=preface)) 
    22013 File
    22014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22015 packages/chimerax/core/logger.py", line 421, in report_exception 
    22016 elif probably_chimera1_session(exc_info): 
    22017 File
    22018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22019 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22020 etype, evalue, etraceback = exc_info 
    22021 TypeError: cannot unpack non-iterable NoneType object 
    22022  
    22023 TypeError: cannot unpack non-iterable NoneType object 
    22024  
    22025 File
    22026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22027 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22028 etype, evalue, etraceback = exc_info 
    22029  
    22030 See log for complete Python traceback. 
    22031  
    22032 Traceback (most recent call last): 
    22033 File
    22034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22035 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22036 return self._func(self._name, data) 
    22037 File
    22038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22039 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22040 if v.display: 
    22041 File
    22042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22043 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22044 return self._any_displayed_positions and len(self._positions) > 0 
    22045 TypeError: object of type 'NoneType' has no len() 
    22046  
    22047 During handling of the above exception, another exception occurred: 
    22048  
    22049 Traceback (most recent call last): 
    22050 File
    22051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22052 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22053 if not self.draw_new_frame(): 
    22054 File
    22055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22056 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22057 changed = view.check_for_drawing_change() 
    22058 File
    22059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22060 packages/chimerax/core/graphics/view.py", line 252, in
    22061 check_for_drawing_change 
    22062 trig.activate_trigger('graphics update', self) 
    22063 File
    22064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22065 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22066 trigger.activate(data) 
    22067 File
    22068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22069 packages/chimerax/core/triggerset.py", line 190, in activate 
    22070 ret = handler.invoke(data, self._remove_bad_handlers) 
    22071 File
    22072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22073 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22074 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22075 File
    22076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22077 packages/chimerax/core/session.py", line 943, in <lambda> 
    22078 logger.report_exception(preface=preface)) 
    22079 File
    22080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22081 packages/chimerax/core/logger.py", line 421, in report_exception 
    22082 elif probably_chimera1_session(exc_info): 
    22083 File
    22084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22085 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22086 etype, evalue, etraceback = exc_info 
    22087 TypeError: cannot unpack non-iterable NoneType object 
    22088  
    22089 TypeError: cannot unpack non-iterable NoneType object 
    22090  
    22091 File
    22092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22093 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22094 etype, evalue, etraceback = exc_info 
    22095  
    22096 See log for complete Python traceback. 
    22097  
    22098 Traceback (most recent call last): 
    22099 File
    22100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22101 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22102 return self._func(self._name, data) 
    22103 File
    22104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22105 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22106 if v.display: 
    22107 File
    22108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22109 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22110 return self._any_displayed_positions and len(self._positions) > 0 
    22111 TypeError: object of type 'NoneType' has no len() 
    22112  
    22113 During handling of the above exception, another exception occurred: 
    22114  
    22115 Traceback (most recent call last): 
    22116 File
    22117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22118 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22119 if not self.draw_new_frame(): 
    22120 File
    22121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22122 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22123 changed = view.check_for_drawing_change() 
    22124 File
    22125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22126 packages/chimerax/core/graphics/view.py", line 252, in
    22127 check_for_drawing_change 
    22128 trig.activate_trigger('graphics update', self) 
    22129 File
    22130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22131 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22132 trigger.activate(data) 
    22133 File
    22134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22135 packages/chimerax/core/triggerset.py", line 190, in activate 
    22136 ret = handler.invoke(data, self._remove_bad_handlers) 
    22137 File
    22138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22139 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22140 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22141 File
    22142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22143 packages/chimerax/core/session.py", line 943, in <lambda> 
    22144 logger.report_exception(preface=preface)) 
    22145 File
    22146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22147 packages/chimerax/core/logger.py", line 421, in report_exception 
    22148 elif probably_chimera1_session(exc_info): 
    22149 File
    22150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22151 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22152 etype, evalue, etraceback = exc_info 
    22153 TypeError: cannot unpack non-iterable NoneType object 
    22154  
    22155 TypeError: cannot unpack non-iterable NoneType object 
    22156  
    22157 File
    22158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22159 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22160 etype, evalue, etraceback = exc_info 
    22161  
    22162 See log for complete Python traceback. 
    22163  
    22164 Traceback (most recent call last): 
    22165 File
    22166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22167 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22168 return self._func(self._name, data) 
    22169 File
    22170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22171 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22172 if v.display: 
    22173 File
    22174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22175 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22176 return self._any_displayed_positions and len(self._positions) > 0 
    22177 TypeError: object of type 'NoneType' has no len() 
    22178  
    22179 During handling of the above exception, another exception occurred: 
    22180  
    22181 Traceback (most recent call last): 
    22182 File
    22183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22184 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22185 if not self.draw_new_frame(): 
    22186 File
    22187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22188 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22189 changed = view.check_for_drawing_change() 
    22190 File
    22191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22192 packages/chimerax/core/graphics/view.py", line 252, in
    22193 check_for_drawing_change 
    22194 trig.activate_trigger('graphics update', self) 
    22195 File
    22196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22197 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22198 trigger.activate(data) 
    22199 File
    22200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22201 packages/chimerax/core/triggerset.py", line 190, in activate 
    22202 ret = handler.invoke(data, self._remove_bad_handlers) 
    22203 File
    22204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22205 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22206 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22207 File
    22208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22209 packages/chimerax/core/session.py", line 943, in <lambda> 
    22210 logger.report_exception(preface=preface)) 
    22211 File
    22212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22213 packages/chimerax/core/logger.py", line 421, in report_exception 
    22214 elif probably_chimera1_session(exc_info): 
    22215 File
    22216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22217 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22218 etype, evalue, etraceback = exc_info 
    22219 TypeError: cannot unpack non-iterable NoneType object 
    22220  
    22221 TypeError: cannot unpack non-iterable NoneType object 
    22222  
    22223 File
    22224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22225 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22226 etype, evalue, etraceback = exc_info 
    22227  
    22228 See log for complete Python traceback. 
    22229  
    22230 Traceback (most recent call last): 
    22231 File
    22232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22233 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22234 return self._func(self._name, data) 
    22235 File
    22236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22237 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22238 if v.display: 
    22239 File
    22240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22241 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22242 return self._any_displayed_positions and len(self._positions) > 0 
    22243 TypeError: object of type 'NoneType' has no len() 
    22244  
    22245 During handling of the above exception, another exception occurred: 
    22246  
    22247 Traceback (most recent call last): 
    22248 File
    22249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22250 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22251 if not self.draw_new_frame(): 
    22252 File
    22253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22254 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22255 changed = view.check_for_drawing_change() 
    22256 File
    22257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22258 packages/chimerax/core/graphics/view.py", line 252, in
    22259 check_for_drawing_change 
    22260 trig.activate_trigger('graphics update', self) 
    22261 File
    22262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22263 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22264 trigger.activate(data) 
    22265 File
    22266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22267 packages/chimerax/core/triggerset.py", line 190, in activate 
    22268 ret = handler.invoke(data, self._remove_bad_handlers) 
    22269 File
    22270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22271 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22272 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22273 File
    22274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22275 packages/chimerax/core/session.py", line 943, in <lambda> 
    22276 logger.report_exception(preface=preface)) 
    22277 File
    22278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22279 packages/chimerax/core/logger.py", line 421, in report_exception 
    22280 elif probably_chimera1_session(exc_info): 
    22281 File
    22282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22283 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22284 etype, evalue, etraceback = exc_info 
    22285 TypeError: cannot unpack non-iterable NoneType object 
    22286  
    22287 TypeError: cannot unpack non-iterable NoneType object 
    22288  
    22289 File
    22290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22291 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22292 etype, evalue, etraceback = exc_info 
    22293  
    22294 See log for complete Python traceback. 
    22295  
    22296 Traceback (most recent call last): 
    22297 File
    22298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22299 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22300 return self._func(self._name, data) 
    22301 File
    22302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22303 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22304 if v.display: 
    22305 File
    22306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22307 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22308 return self._any_displayed_positions and len(self._positions) > 0 
    22309 TypeError: object of type 'NoneType' has no len() 
    22310  
    22311 During handling of the above exception, another exception occurred: 
    22312  
    22313 Traceback (most recent call last): 
    22314 File
    22315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22316 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22317 if not self.draw_new_frame(): 
    22318 File
    22319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22320 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22321 changed = view.check_for_drawing_change() 
    22322 File
    22323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22324 packages/chimerax/core/graphics/view.py", line 252, in
    22325 check_for_drawing_change 
    22326 trig.activate_trigger('graphics update', self) 
    22327 File
    22328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22329 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22330 trigger.activate(data) 
    22331 File
    22332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22333 packages/chimerax/core/triggerset.py", line 190, in activate 
    22334 ret = handler.invoke(data, self._remove_bad_handlers) 
    22335 File
    22336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22337 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22338 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22339 File
    22340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22341 packages/chimerax/core/session.py", line 943, in <lambda> 
    22342 logger.report_exception(preface=preface)) 
    22343 File
    22344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22345 packages/chimerax/core/logger.py", line 421, in report_exception 
    22346 elif probably_chimera1_session(exc_info): 
    22347 File
    22348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22349 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22350 etype, evalue, etraceback = exc_info 
    22351 TypeError: cannot unpack non-iterable NoneType object 
    22352  
    22353 TypeError: cannot unpack non-iterable NoneType object 
    22354  
    22355 File
    22356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22357 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22358 etype, evalue, etraceback = exc_info 
    22359  
    22360 See log for complete Python traceback. 
    22361  
    22362 Traceback (most recent call last): 
    22363 File
    22364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22365 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22366 return self._func(self._name, data) 
    22367 File
    22368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22369 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22370 if v.display: 
    22371 File
    22372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22373 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22374 return self._any_displayed_positions and len(self._positions) > 0 
    22375 TypeError: object of type 'NoneType' has no len() 
    22376  
    22377 During handling of the above exception, another exception occurred: 
    22378  
    22379 Traceback (most recent call last): 
    22380 File
    22381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22382 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22383 if not self.draw_new_frame(): 
    22384 File
    22385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22386 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22387 changed = view.check_for_drawing_change() 
    22388 File
    22389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22390 packages/chimerax/core/graphics/view.py", line 252, in
    22391 check_for_drawing_change 
    22392 trig.activate_trigger('graphics update', self) 
    22393 File
    22394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22395 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22396 trigger.activate(data) 
    22397 File
    22398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22399 packages/chimerax/core/triggerset.py", line 190, in activate 
    22400 ret = handler.invoke(data, self._remove_bad_handlers) 
    22401 File
    22402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22403 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22404 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22405 File
    22406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22407 packages/chimerax/core/session.py", line 943, in <lambda> 
    22408 logger.report_exception(preface=preface)) 
    22409 File
    22410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22411 packages/chimerax/core/logger.py", line 421, in report_exception 
    22412 elif probably_chimera1_session(exc_info): 
    22413 File
    22414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22415 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22416 etype, evalue, etraceback = exc_info 
    22417 TypeError: cannot unpack non-iterable NoneType object 
    22418  
    22419 TypeError: cannot unpack non-iterable NoneType object 
    22420  
    22421 File
    22422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22423 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22424 etype, evalue, etraceback = exc_info 
    22425  
    22426 See log for complete Python traceback. 
    22427  
    22428 Traceback (most recent call last): 
    22429 File
    22430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22431 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22432 return self._func(self._name, data) 
    22433 File
    22434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22435 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22436 if v.display: 
    22437 File
    22438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22439 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22440 return self._any_displayed_positions and len(self._positions) > 0 
    22441 TypeError: object of type 'NoneType' has no len() 
    22442  
    22443 During handling of the above exception, another exception occurred: 
    22444  
    22445 Traceback (most recent call last): 
    22446 File
    22447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22448 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22449 if not self.draw_new_frame(): 
    22450 File
    22451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22452 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22453 changed = view.check_for_drawing_change() 
    22454 File
    22455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22456 packages/chimerax/core/graphics/view.py", line 252, in
    22457 check_for_drawing_change 
    22458 trig.activate_trigger('graphics update', self) 
    22459 File
    22460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22461 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22462 trigger.activate(data) 
    22463 File
    22464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22465 packages/chimerax/core/triggerset.py", line 190, in activate 
    22466 ret = handler.invoke(data, self._remove_bad_handlers) 
    22467 File
    22468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22469 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22470 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22471 File
    22472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22473 packages/chimerax/core/session.py", line 943, in <lambda> 
    22474 logger.report_exception(preface=preface)) 
    22475 File
    22476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22477 packages/chimerax/core/logger.py", line 421, in report_exception 
    22478 elif probably_chimera1_session(exc_info): 
    22479 File
    22480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22481 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22482 etype, evalue, etraceback = exc_info 
    22483 TypeError: cannot unpack non-iterable NoneType object 
    22484  
    22485 TypeError: cannot unpack non-iterable NoneType object 
    22486  
    22487 File
    22488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22489 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22490 etype, evalue, etraceback = exc_info 
    22491  
    22492 See log for complete Python traceback. 
    22493  
    22494 Traceback (most recent call last): 
    22495 File
    22496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22497 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22498 return self._func(self._name, data) 
    22499 File
    22500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22501 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22502 if v.display: 
    22503 File
    22504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22505 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22506 return self._any_displayed_positions and len(self._positions) > 0 
    22507 TypeError: object of type 'NoneType' has no len() 
    22508  
    22509 During handling of the above exception, another exception occurred: 
    22510  
    22511 Traceback (most recent call last): 
    22512 File
    22513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22514 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22515 if not self.draw_new_frame(): 
    22516 File
    22517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22518 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22519 changed = view.check_for_drawing_change() 
    22520 File
    22521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22522 packages/chimerax/core/graphics/view.py", line 252, in
    22523 check_for_drawing_change 
    22524 trig.activate_trigger('graphics update', self) 
    22525 File
    22526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22527 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22528 trigger.activate(data) 
    22529 File
    22530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22531 packages/chimerax/core/triggerset.py", line 190, in activate 
    22532 ret = handler.invoke(data, self._remove_bad_handlers) 
    22533 File
    22534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22535 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22536 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22537 File
    22538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22539 packages/chimerax/core/session.py", line 943, in <lambda> 
    22540 logger.report_exception(preface=preface)) 
    22541 File
    22542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22543 packages/chimerax/core/logger.py", line 421, in report_exception 
    22544 elif probably_chimera1_session(exc_info): 
    22545 File
    22546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22547 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22548 etype, evalue, etraceback = exc_info 
    22549 TypeError: cannot unpack non-iterable NoneType object 
    22550  
    22551 TypeError: cannot unpack non-iterable NoneType object 
    22552  
    22553 File
    22554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22555 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22556 etype, evalue, etraceback = exc_info 
    22557  
    22558 See log for complete Python traceback. 
    22559  
    22560 Traceback (most recent call last): 
    22561 File
    22562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22563 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22564 return self._func(self._name, data) 
    22565 File
    22566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22567 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22568 if v.display: 
    22569 File
    22570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22571 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22572 return self._any_displayed_positions and len(self._positions) > 0 
    22573 TypeError: object of type 'NoneType' has no len() 
    22574  
    22575 During handling of the above exception, another exception occurred: 
    22576  
    22577 Traceback (most recent call last): 
    22578 File
    22579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22580 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22581 if not self.draw_new_frame(): 
    22582 File
    22583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22584 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22585 changed = view.check_for_drawing_change() 
    22586 File
    22587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22588 packages/chimerax/core/graphics/view.py", line 252, in
    22589 check_for_drawing_change 
    22590 trig.activate_trigger('graphics update', self) 
    22591 File
    22592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22593 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22594 trigger.activate(data) 
    22595 File
    22596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22597 packages/chimerax/core/triggerset.py", line 190, in activate 
    22598 ret = handler.invoke(data, self._remove_bad_handlers) 
    22599 File
    22600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22601 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22602 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22603 File
    22604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22605 packages/chimerax/core/session.py", line 943, in <lambda> 
    22606 logger.report_exception(preface=preface)) 
    22607 File
    22608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22609 packages/chimerax/core/logger.py", line 421, in report_exception 
    22610 elif probably_chimera1_session(exc_info): 
    22611 File
    22612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22613 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22614 etype, evalue, etraceback = exc_info 
    22615 TypeError: cannot unpack non-iterable NoneType object 
    22616  
    22617 TypeError: cannot unpack non-iterable NoneType object 
    22618  
    22619 File
    22620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22621 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22622 etype, evalue, etraceback = exc_info 
    22623  
    22624 See log for complete Python traceback. 
    22625  
    22626 Traceback (most recent call last): 
    22627 File
    22628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22629 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22630 return self._func(self._name, data) 
    22631 File
    22632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22633 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22634 if v.display: 
    22635 File
    22636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22637 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22638 return self._any_displayed_positions and len(self._positions) > 0 
    22639 TypeError: object of type 'NoneType' has no len() 
    22640  
    22641 During handling of the above exception, another exception occurred: 
    22642  
    22643 Traceback (most recent call last): 
    22644 File
    22645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22646 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22647 if not self.draw_new_frame(): 
    22648 File
    22649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22650 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22651 changed = view.check_for_drawing_change() 
    22652 File
    22653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22654 packages/chimerax/core/graphics/view.py", line 252, in
    22655 check_for_drawing_change 
    22656 trig.activate_trigger('graphics update', self) 
    22657 File
    22658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22659 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22660 trigger.activate(data) 
    22661 File
    22662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22663 packages/chimerax/core/triggerset.py", line 190, in activate 
    22664 ret = handler.invoke(data, self._remove_bad_handlers) 
    22665 File
    22666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22667 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22668 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22669 File
    22670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22671 packages/chimerax/core/session.py", line 943, in <lambda> 
    22672 logger.report_exception(preface=preface)) 
    22673 File
    22674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22675 packages/chimerax/core/logger.py", line 421, in report_exception 
    22676 elif probably_chimera1_session(exc_info): 
    22677 File
    22678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22679 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22680 etype, evalue, etraceback = exc_info 
    22681 TypeError: cannot unpack non-iterable NoneType object 
    22682  
    22683 TypeError: cannot unpack non-iterable NoneType object 
    22684  
    22685 File
    22686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22687 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22688 etype, evalue, etraceback = exc_info 
    22689  
    22690 See log for complete Python traceback. 
    22691  
    22692 Traceback (most recent call last): 
    22693 File
    22694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22695 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22696 return self._func(self._name, data) 
    22697 File
    22698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22699 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22700 if v.display: 
    22701 File
    22702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22703 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22704 return self._any_displayed_positions and len(self._positions) > 0 
    22705 TypeError: object of type 'NoneType' has no len() 
    22706  
    22707 During handling of the above exception, another exception occurred: 
    22708  
    22709 Traceback (most recent call last): 
    22710 File
    22711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22712 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22713 if not self.draw_new_frame(): 
    22714 File
    22715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22716 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22717 changed = view.check_for_drawing_change() 
    22718 File
    22719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22720 packages/chimerax/core/graphics/view.py", line 252, in
    22721 check_for_drawing_change 
    22722 trig.activate_trigger('graphics update', self) 
    22723 File
    22724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22725 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22726 trigger.activate(data) 
    22727 File
    22728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22729 packages/chimerax/core/triggerset.py", line 190, in activate 
    22730 ret = handler.invoke(data, self._remove_bad_handlers) 
    22731 File
    22732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22733 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22734 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22735 File
    22736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22737 packages/chimerax/core/session.py", line 943, in <lambda> 
    22738 logger.report_exception(preface=preface)) 
    22739 File
    22740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22741 packages/chimerax/core/logger.py", line 421, in report_exception 
    22742 elif probably_chimera1_session(exc_info): 
    22743 File
    22744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22745 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22746 etype, evalue, etraceback = exc_info 
    22747 TypeError: cannot unpack non-iterable NoneType object 
    22748  
    22749 TypeError: cannot unpack non-iterable NoneType object 
    22750  
    22751 File
    22752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22753 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22754 etype, evalue, etraceback = exc_info 
    22755  
    22756 See log for complete Python traceback. 
    22757  
    22758 Traceback (most recent call last): 
    22759 File
    22760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22761 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22762 return self._func(self._name, data) 
    22763 File
    22764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22765 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22766 if v.display: 
    22767 File
    22768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22769 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22770 return self._any_displayed_positions and len(self._positions) > 0 
    22771 TypeError: object of type 'NoneType' has no len() 
    22772  
    22773 During handling of the above exception, another exception occurred: 
    22774  
    22775 Traceback (most recent call last): 
    22776 File
    22777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22778 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22779 if not self.draw_new_frame(): 
    22780 File
    22781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22782 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22783 changed = view.check_for_drawing_change() 
    22784 File
    22785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22786 packages/chimerax/core/graphics/view.py", line 252, in
    22787 check_for_drawing_change 
    22788 trig.activate_trigger('graphics update', self) 
    22789 File
    22790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22791 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22792 trigger.activate(data) 
    22793 File
    22794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22795 packages/chimerax/core/triggerset.py", line 190, in activate 
    22796 ret = handler.invoke(data, self._remove_bad_handlers) 
    22797 File
    22798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22799 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22800 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22801 File
    22802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22803 packages/chimerax/core/session.py", line 943, in <lambda> 
    22804 logger.report_exception(preface=preface)) 
    22805 File
    22806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22807 packages/chimerax/core/logger.py", line 421, in report_exception 
    22808 elif probably_chimera1_session(exc_info): 
    22809 File
    22810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22811 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22812 etype, evalue, etraceback = exc_info 
    22813 TypeError: cannot unpack non-iterable NoneType object 
    22814  
    22815 TypeError: cannot unpack non-iterable NoneType object 
    22816  
    22817 File
    22818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22819 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22820 etype, evalue, etraceback = exc_info 
    22821  
    22822 See log for complete Python traceback. 
    22823  
    22824 Traceback (most recent call last): 
    22825 File
    22826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22827 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22828 return self._func(self._name, data) 
    22829 File
    22830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22831 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22832 if v.display: 
    22833 File
    22834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22835 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22836 return self._any_displayed_positions and len(self._positions) > 0 
    22837 TypeError: object of type 'NoneType' has no len() 
    22838  
    22839 During handling of the above exception, another exception occurred: 
    22840  
    22841 Traceback (most recent call last): 
    22842 File
    22843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22844 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22845 if not self.draw_new_frame(): 
    22846 File
    22847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22848 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22849 changed = view.check_for_drawing_change() 
    22850 File
    22851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22852 packages/chimerax/core/graphics/view.py", line 252, in
    22853 check_for_drawing_change 
    22854 trig.activate_trigger('graphics update', self) 
    22855 File
    22856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22857 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22858 trigger.activate(data) 
    22859 File
    22860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22861 packages/chimerax/core/triggerset.py", line 190, in activate 
    22862 ret = handler.invoke(data, self._remove_bad_handlers) 
    22863 File
    22864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22865 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22866 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22867 File
    22868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22869 packages/chimerax/core/session.py", line 943, in <lambda> 
    22870 logger.report_exception(preface=preface)) 
    22871 File
    22872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22873 packages/chimerax/core/logger.py", line 421, in report_exception 
    22874 elif probably_chimera1_session(exc_info): 
    22875 File
    22876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22877 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22878 etype, evalue, etraceback = exc_info 
    22879 TypeError: cannot unpack non-iterable NoneType object 
    22880  
    22881 TypeError: cannot unpack non-iterable NoneType object 
    22882  
    22883 File
    22884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22885 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22886 etype, evalue, etraceback = exc_info 
    22887  
    22888 See log for complete Python traceback. 
    22889  
    22890 Traceback (most recent call last): 
    22891 File
    22892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22893 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22894 return self._func(self._name, data) 
    22895 File
    22896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22897 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22898 if v.display: 
    22899 File
    22900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22901 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22902 return self._any_displayed_positions and len(self._positions) > 0 
    22903 TypeError: object of type 'NoneType' has no len() 
    22904  
    22905 During handling of the above exception, another exception occurred: 
    22906  
    22907 Traceback (most recent call last): 
    22908 File
    22909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22910 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22911 if not self.draw_new_frame(): 
    22912 File
    22913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22914 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22915 changed = view.check_for_drawing_change() 
    22916 File
    22917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22918 packages/chimerax/core/graphics/view.py", line 252, in
    22919 check_for_drawing_change 
    22920 trig.activate_trigger('graphics update', self) 
    22921 File
    22922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22923 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22924 trigger.activate(data) 
    22925 File
    22926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22927 packages/chimerax/core/triggerset.py", line 190, in activate 
    22928 ret = handler.invoke(data, self._remove_bad_handlers) 
    22929 File
    22930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22931 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22932 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22933 File
    22934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22935 packages/chimerax/core/session.py", line 943, in <lambda> 
    22936 logger.report_exception(preface=preface)) 
    22937 File
    22938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22939 packages/chimerax/core/logger.py", line 421, in report_exception 
    22940 elif probably_chimera1_session(exc_info): 
    22941 File
    22942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22943 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22944 etype, evalue, etraceback = exc_info 
    22945 TypeError: cannot unpack non-iterable NoneType object 
    22946  
    22947 TypeError: cannot unpack non-iterable NoneType object 
    22948  
    22949 File
    22950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22951 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22952 etype, evalue, etraceback = exc_info 
    22953  
    22954 See log for complete Python traceback. 
    22955  
    22956 Traceback (most recent call last): 
    22957 File
    22958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22959 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22960 return self._func(self._name, data) 
    22961 File
    22962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22963 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22964 if v.display: 
    22965 File
    22966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22967 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22968 return self._any_displayed_positions and len(self._positions) > 0 
    22969 TypeError: object of type 'NoneType' has no len() 
    22970  
    22971 During handling of the above exception, another exception occurred: 
    22972  
    22973 Traceback (most recent call last): 
    22974 File
    22975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22976 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22977 if not self.draw_new_frame(): 
    22978 File
    22979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22980 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22981 changed = view.check_for_drawing_change() 
    22982 File
    22983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22984 packages/chimerax/core/graphics/view.py", line 252, in
    22985 check_for_drawing_change 
    22986 trig.activate_trigger('graphics update', self) 
    22987 File
    22988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22989 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22990 trigger.activate(data) 
    22991 File
    22992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22993 packages/chimerax/core/triggerset.py", line 190, in activate 
    22994 ret = handler.invoke(data, self._remove_bad_handlers) 
    22995 File
    22996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22997 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22998 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22999 File
    23000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23001 packages/chimerax/core/session.py", line 943, in <lambda> 
    23002 logger.report_exception(preface=preface)) 
    23003 File
    23004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23005 packages/chimerax/core/logger.py", line 421, in report_exception 
    23006 elif probably_chimera1_session(exc_info): 
    23007 File
    23008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23009 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23010 etype, evalue, etraceback = exc_info 
    23011 TypeError: cannot unpack non-iterable NoneType object 
    23012  
    23013 TypeError: cannot unpack non-iterable NoneType object 
    23014  
    23015 File
    23016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23017 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23018 etype, evalue, etraceback = exc_info 
    23019  
    23020 See log for complete Python traceback. 
    23021  
    23022 Traceback (most recent call last): 
    23023 File
    23024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23025 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23026 return self._func(self._name, data) 
    23027 File
    23028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23029 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23030 if v.display: 
    23031 File
    23032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23033 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23034 return self._any_displayed_positions and len(self._positions) > 0 
    23035 TypeError: object of type 'NoneType' has no len() 
    23036  
    23037 During handling of the above exception, another exception occurred: 
    23038  
    23039 Traceback (most recent call last): 
    23040 File
    23041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23042 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23043 if not self.draw_new_frame(): 
    23044 File
    23045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23046 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23047 changed = view.check_for_drawing_change() 
    23048 File
    23049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23050 packages/chimerax/core/graphics/view.py", line 252, in
    23051 check_for_drawing_change 
    23052 trig.activate_trigger('graphics update', self) 
    23053 File
    23054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23055 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23056 trigger.activate(data) 
    23057 File
    23058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23059 packages/chimerax/core/triggerset.py", line 190, in activate 
    23060 ret = handler.invoke(data, self._remove_bad_handlers) 
    23061 File
    23062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23063 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23064 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23065 File
    23066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23067 packages/chimerax/core/session.py", line 943, in <lambda> 
    23068 logger.report_exception(preface=preface)) 
    23069 File
    23070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23071 packages/chimerax/core/logger.py", line 421, in report_exception 
    23072 elif probably_chimera1_session(exc_info): 
    23073 File
    23074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23075 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23076 etype, evalue, etraceback = exc_info 
    23077 TypeError: cannot unpack non-iterable NoneType object 
    23078  
    23079 TypeError: cannot unpack non-iterable NoneType object 
    23080  
    23081 File
    23082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23083 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23084 etype, evalue, etraceback = exc_info 
    23085  
    23086 See log for complete Python traceback. 
    23087  
    23088 Traceback (most recent call last): 
    23089 File
    23090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23091 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23092 return self._func(self._name, data) 
    23093 File
    23094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23095 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23096 if v.display: 
    23097 File
    23098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23099 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23100 return self._any_displayed_positions and len(self._positions) > 0 
    23101 TypeError: object of type 'NoneType' has no len() 
    23102  
    23103 During handling of the above exception, another exception occurred: 
    23104  
    23105 Traceback (most recent call last): 
    23106 File
    23107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23108 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23109 if not self.draw_new_frame(): 
    23110 File
    23111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23112 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23113 changed = view.check_for_drawing_change() 
    23114 File
    23115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23116 packages/chimerax/core/graphics/view.py", line 252, in
    23117 check_for_drawing_change 
    23118 trig.activate_trigger('graphics update', self) 
    23119 File
    23120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23121 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23122 trigger.activate(data) 
    23123 File
    23124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23125 packages/chimerax/core/triggerset.py", line 190, in activate 
    23126 ret = handler.invoke(data, self._remove_bad_handlers) 
    23127 File
    23128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23129 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23130 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23131 File
    23132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23133 packages/chimerax/core/session.py", line 943, in <lambda> 
    23134 logger.report_exception(preface=preface)) 
    23135 File
    23136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23137 packages/chimerax/core/logger.py", line 421, in report_exception 
    23138 elif probably_chimera1_session(exc_info): 
    23139 File
    23140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23141 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23142 etype, evalue, etraceback = exc_info 
    23143 TypeError: cannot unpack non-iterable NoneType object 
    23144  
    23145 TypeError: cannot unpack non-iterable NoneType object 
    23146  
    23147 File
    23148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23149 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23150 etype, evalue, etraceback = exc_info 
    23151  
    23152 See log for complete Python traceback. 
    23153  
    23154 Traceback (most recent call last): 
    23155 File
    23156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23157 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23158 return self._func(self._name, data) 
    23159 File
    23160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23161 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23162 if v.display: 
    23163 File
    23164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23165 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23166 return self._any_displayed_positions and len(self._positions) > 0 
    23167 TypeError: object of type 'NoneType' has no len() 
    23168  
    23169 During handling of the above exception, another exception occurred: 
    23170  
    23171 Traceback (most recent call last): 
    23172 File
    23173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23174 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23175 if not self.draw_new_frame(): 
    23176 File
    23177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23178 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23179 changed = view.check_for_drawing_change() 
    23180 File
    23181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23182 packages/chimerax/core/graphics/view.py", line 252, in
    23183 check_for_drawing_change 
    23184 trig.activate_trigger('graphics update', self) 
    23185 File
    23186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23187 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23188 trigger.activate(data) 
    23189 File
    23190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23191 packages/chimerax/core/triggerset.py", line 190, in activate 
    23192 ret = handler.invoke(data, self._remove_bad_handlers) 
    23193 File
    23194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23195 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23196 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23197 File
    23198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23199 packages/chimerax/core/session.py", line 943, in <lambda> 
    23200 logger.report_exception(preface=preface)) 
    23201 File
    23202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23203 packages/chimerax/core/logger.py", line 421, in report_exception 
    23204 elif probably_chimera1_session(exc_info): 
    23205 File
    23206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23207 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23208 etype, evalue, etraceback = exc_info 
    23209 TypeError: cannot unpack non-iterable NoneType object 
    23210  
    23211 TypeError: cannot unpack non-iterable NoneType object 
    23212  
    23213 File
    23214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23215 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23216 etype, evalue, etraceback = exc_info 
    23217  
    23218 See log for complete Python traceback. 
    23219  
    23220 Traceback (most recent call last): 
    23221 File
    23222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23223 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23224 return self._func(self._name, data) 
    23225 File
    23226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23227 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23228 if v.display: 
    23229 File
    23230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23231 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23232 return self._any_displayed_positions and len(self._positions) > 0 
    23233 TypeError: object of type 'NoneType' has no len() 
    23234  
    23235 During handling of the above exception, another exception occurred: 
    23236  
    23237 Traceback (most recent call last): 
    23238 File
    23239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23240 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23241 if not self.draw_new_frame(): 
    23242 File
    23243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23244 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23245 changed = view.check_for_drawing_change() 
    23246 File
    23247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23248 packages/chimerax/core/graphics/view.py", line 252, in
    23249 check_for_drawing_change 
    23250 trig.activate_trigger('graphics update', self) 
    23251 File
    23252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23253 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23254 trigger.activate(data) 
    23255 File
    23256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23257 packages/chimerax/core/triggerset.py", line 190, in activate 
    23258 ret = handler.invoke(data, self._remove_bad_handlers) 
    23259 File
    23260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23261 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23262 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23263 File
    23264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23265 packages/chimerax/core/session.py", line 943, in <lambda> 
    23266 logger.report_exception(preface=preface)) 
    23267 File
    23268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23269 packages/chimerax/core/logger.py", line 421, in report_exception 
    23270 elif probably_chimera1_session(exc_info): 
    23271 File
    23272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23273 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23274 etype, evalue, etraceback = exc_info 
    23275 TypeError: cannot unpack non-iterable NoneType object 
    23276  
    23277 TypeError: cannot unpack non-iterable NoneType object 
    23278  
    23279 File
    23280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23281 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23282 etype, evalue, etraceback = exc_info 
    23283  
    23284 See log for complete Python traceback. 
    23285  
    23286 Traceback (most recent call last): 
    23287 File
    23288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23289 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23290 return self._func(self._name, data) 
    23291 File
    23292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23293 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23294 if v.display: 
    23295 File
    23296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23297 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23298 return self._any_displayed_positions and len(self._positions) > 0 
    23299 TypeError: object of type 'NoneType' has no len() 
    23300  
    23301 During handling of the above exception, another exception occurred: 
    23302  
    23303 Traceback (most recent call last): 
    23304 File
    23305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23306 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23307 if not self.draw_new_frame(): 
    23308 File
    23309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23310 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23311 changed = view.check_for_drawing_change() 
    23312 File
    23313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23314 packages/chimerax/core/graphics/view.py", line 252, in
    23315 check_for_drawing_change 
    23316 trig.activate_trigger('graphics update', self) 
    23317 File
    23318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23319 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23320 trigger.activate(data) 
    23321 File
    23322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23323 packages/chimerax/core/triggerset.py", line 190, in activate 
    23324 ret = handler.invoke(data, self._remove_bad_handlers) 
    23325 File
    23326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23327 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23328 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23329 File
    23330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23331 packages/chimerax/core/session.py", line 943, in <lambda> 
    23332 logger.report_exception(preface=preface)) 
    23333 File
    23334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23335 packages/chimerax/core/logger.py", line 421, in report_exception 
    23336 elif probably_chimera1_session(exc_info): 
    23337 File
    23338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23339 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23340 etype, evalue, etraceback = exc_info 
    23341 TypeError: cannot unpack non-iterable NoneType object 
    23342  
    23343 TypeError: cannot unpack non-iterable NoneType object 
    23344  
    23345 File
    23346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23347 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23348 etype, evalue, etraceback = exc_info 
    23349  
    23350 See log for complete Python traceback. 
    23351  
    23352 Traceback (most recent call last): 
    23353 File
    23354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23355 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23356 return self._func(self._name, data) 
    23357 File
    23358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23359 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23360 if v.display: 
    23361 File
    23362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23363 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23364 return self._any_displayed_positions and len(self._positions) > 0 
    23365 TypeError: object of type 'NoneType' has no len() 
    23366  
    23367 During handling of the above exception, another exception occurred: 
    23368  
    23369 Traceback (most recent call last): 
    23370 File
    23371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23372 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23373 if not self.draw_new_frame(): 
    23374 File
    23375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23376 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23377 changed = view.check_for_drawing_change() 
    23378 File
    23379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23380 packages/chimerax/core/graphics/view.py", line 252, in
    23381 check_for_drawing_change 
    23382 trig.activate_trigger('graphics update', self) 
    23383 File
    23384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23385 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23386 trigger.activate(data) 
    23387 File
    23388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23389 packages/chimerax/core/triggerset.py", line 190, in activate 
    23390 ret = handler.invoke(data, self._remove_bad_handlers) 
    23391 File
    23392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23393 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23394 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23395 File
    23396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23397 packages/chimerax/core/session.py", line 943, in <lambda> 
    23398 logger.report_exception(preface=preface)) 
    23399 File
    23400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23401 packages/chimerax/core/logger.py", line 421, in report_exception 
    23402 elif probably_chimera1_session(exc_info): 
    23403 File
    23404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23405 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23406 etype, evalue, etraceback = exc_info 
    23407 TypeError: cannot unpack non-iterable NoneType object 
    23408  
    23409 TypeError: cannot unpack non-iterable NoneType object 
    23410  
    23411 File
    23412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23413 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23414 etype, evalue, etraceback = exc_info 
    23415  
    23416 See log for complete Python traceback. 
    23417  
    23418 Traceback (most recent call last): 
    23419 File
    23420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23421 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23422 return self._func(self._name, data) 
    23423 File
    23424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23425 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23426 if v.display: 
    23427 File
    23428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23429 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23430 return self._any_displayed_positions and len(self._positions) > 0 
    23431 TypeError: object of type 'NoneType' has no len() 
    23432  
    23433 During handling of the above exception, another exception occurred: 
    23434  
    23435 Traceback (most recent call last): 
    23436 File
    23437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23438 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23439 if not self.draw_new_frame(): 
    23440 File
    23441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23442 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23443 changed = view.check_for_drawing_change() 
    23444 File
    23445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23446 packages/chimerax/core/graphics/view.py", line 252, in
    23447 check_for_drawing_change 
    23448 trig.activate_trigger('graphics update', self) 
    23449 File
    23450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23451 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23452 trigger.activate(data) 
    23453 File
    23454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23455 packages/chimerax/core/triggerset.py", line 190, in activate 
    23456 ret = handler.invoke(data, self._remove_bad_handlers) 
    23457 File
    23458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23459 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23460 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23461 File
    23462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23463 packages/chimerax/core/session.py", line 943, in <lambda> 
    23464 logger.report_exception(preface=preface)) 
    23465 File
    23466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23467 packages/chimerax/core/logger.py", line 421, in report_exception 
    23468 elif probably_chimera1_session(exc_info): 
    23469 File
    23470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23471 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23472 etype, evalue, etraceback = exc_info 
    23473 TypeError: cannot unpack non-iterable NoneType object 
    23474  
    23475 TypeError: cannot unpack non-iterable NoneType object 
    23476  
    23477 File
    23478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23479 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23480 etype, evalue, etraceback = exc_info 
    23481  
    23482 See log for complete Python traceback. 
    23483  
    23484 Traceback (most recent call last): 
    23485 File
    23486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23487 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23488 return self._func(self._name, data) 
    23489 File
    23490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23491 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23492 if v.display: 
    23493 File
    23494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23495 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23496 return self._any_displayed_positions and len(self._positions) > 0 
    23497 TypeError: object of type 'NoneType' has no len() 
    23498  
    23499 During handling of the above exception, another exception occurred: 
    23500  
    23501 Traceback (most recent call last): 
    23502 File
    23503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23504 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23505 if not self.draw_new_frame(): 
    23506 File
    23507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23508 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23509 changed = view.check_for_drawing_change() 
    23510 File
    23511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23512 packages/chimerax/core/graphics/view.py", line 252, in
    23513 check_for_drawing_change 
    23514 trig.activate_trigger('graphics update', self) 
    23515 File
    23516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23517 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23518 trigger.activate(data) 
    23519 File
    23520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23521 packages/chimerax/core/triggerset.py", line 190, in activate 
    23522 ret = handler.invoke(data, self._remove_bad_handlers) 
    23523 File
    23524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23525 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23526 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23527 File
    23528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23529 packages/chimerax/core/session.py", line 943, in <lambda> 
    23530 logger.report_exception(preface=preface)) 
    23531 File
    23532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23533 packages/chimerax/core/logger.py", line 421, in report_exception 
    23534 elif probably_chimera1_session(exc_info): 
    23535 File
    23536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23537 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23538 etype, evalue, etraceback = exc_info 
    23539 TypeError: cannot unpack non-iterable NoneType object 
    23540  
    23541 TypeError: cannot unpack non-iterable NoneType object 
    23542  
    23543 File
    23544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23545 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23546 etype, evalue, etraceback = exc_info 
    23547  
    23548 See log for complete Python traceback. 
    23549  
    23550 Traceback (most recent call last): 
    23551 File
    23552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23553 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23554 return self._func(self._name, data) 
    23555 File
    23556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23557 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23558 if v.display: 
    23559 File
    23560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23561 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23562 return self._any_displayed_positions and len(self._positions) > 0 
    23563 TypeError: object of type 'NoneType' has no len() 
    23564  
    23565 During handling of the above exception, another exception occurred: 
    23566  
    23567 Traceback (most recent call last): 
    23568 File
    23569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23570 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23571 if not self.draw_new_frame(): 
    23572 File
    23573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23574 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23575 changed = view.check_for_drawing_change() 
    23576 File
    23577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23578 packages/chimerax/core/graphics/view.py", line 252, in
    23579 check_for_drawing_change 
    23580 trig.activate_trigger('graphics update', self) 
    23581 File
    23582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23583 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23584 trigger.activate(data) 
    23585 File
    23586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23587 packages/chimerax/core/triggerset.py", line 190, in activate 
    23588 ret = handler.invoke(data, self._remove_bad_handlers) 
    23589 File
    23590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23591 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23592 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23593 File
    23594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23595 packages/chimerax/core/session.py", line 943, in <lambda> 
    23596 logger.report_exception(preface=preface)) 
    23597 File
    23598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23599 packages/chimerax/core/logger.py", line 421, in report_exception 
    23600 elif probably_chimera1_session(exc_info): 
    23601 File
    23602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23603 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23604 etype, evalue, etraceback = exc_info 
    23605 TypeError: cannot unpack non-iterable NoneType object 
    23606  
    23607 TypeError: cannot unpack non-iterable NoneType object 
    23608  
    23609 File
    23610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23611 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23612 etype, evalue, etraceback = exc_info 
    23613  
    23614 See log for complete Python traceback. 
    23615  
    23616 Traceback (most recent call last): 
    23617 File
    23618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23619 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23620 return self._func(self._name, data) 
    23621 File
    23622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23623 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23624 if v.display: 
    23625 File
    23626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23627 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23628 return self._any_displayed_positions and len(self._positions) > 0 
    23629 TypeError: object of type 'NoneType' has no len() 
    23630  
    23631 During handling of the above exception, another exception occurred: 
    23632  
    23633 Traceback (most recent call last): 
    23634 File
    23635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23636 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23637 if not self.draw_new_frame(): 
    23638 File
    23639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23640 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23641 changed = view.check_for_drawing_change() 
    23642 File
    23643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23644 packages/chimerax/core/graphics/view.py", line 252, in
    23645 check_for_drawing_change 
    23646 trig.activate_trigger('graphics update', self) 
    23647 File
    23648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23649 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23650 trigger.activate(data) 
    23651 File
    23652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23653 packages/chimerax/core/triggerset.py", line 190, in activate 
    23654 ret = handler.invoke(data, self._remove_bad_handlers) 
    23655 File
    23656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23657 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23658 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23659 File
    23660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23661 packages/chimerax/core/session.py", line 943, in <lambda> 
    23662 logger.report_exception(preface=preface)) 
    23663 File
    23664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23665 packages/chimerax/core/logger.py", line 421, in report_exception 
    23666 elif probably_chimera1_session(exc_info): 
    23667 File
    23668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23669 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23670 etype, evalue, etraceback = exc_info 
    23671 TypeError: cannot unpack non-iterable NoneType object 
    23672  
    23673 TypeError: cannot unpack non-iterable NoneType object 
    23674  
    23675 File
    23676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23677 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23678 etype, evalue, etraceback = exc_info 
    23679  
    23680 See log for complete Python traceback. 
    23681  
    23682 Traceback (most recent call last): 
    23683 File
    23684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23685 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23686 return self._func(self._name, data) 
    23687 File
    23688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23689 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23690 if v.display: 
    23691 File
    23692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23693 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23694 return self._any_displayed_positions and len(self._positions) > 0 
    23695 TypeError: object of type 'NoneType' has no len() 
    23696  
    23697 During handling of the above exception, another exception occurred: 
    23698  
    23699 Traceback (most recent call last): 
    23700 File
    23701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23702 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23703 if not self.draw_new_frame(): 
    23704 File
    23705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23706 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23707 changed = view.check_for_drawing_change() 
    23708 File
    23709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23710 packages/chimerax/core/graphics/view.py", line 252, in
    23711 check_for_drawing_change 
    23712 trig.activate_trigger('graphics update', self) 
    23713 File
    23714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23715 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23716 trigger.activate(data) 
    23717 File
    23718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23719 packages/chimerax/core/triggerset.py", line 190, in activate 
    23720 ret = handler.invoke(data, self._remove_bad_handlers) 
    23721 File
    23722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23723 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23724 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23725 File
    23726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23727 packages/chimerax/core/session.py", line 943, in <lambda> 
    23728 logger.report_exception(preface=preface)) 
    23729 File
    23730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23731 packages/chimerax/core/logger.py", line 421, in report_exception 
    23732 elif probably_chimera1_session(exc_info): 
    23733 File
    23734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23735 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23736 etype, evalue, etraceback = exc_info 
    23737 TypeError: cannot unpack non-iterable NoneType object 
    23738  
    23739 TypeError: cannot unpack non-iterable NoneType object 
    23740  
    23741 File
    23742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23743 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23744 etype, evalue, etraceback = exc_info 
    23745  
    23746 See log for complete Python traceback. 
    23747  
    23748 Traceback (most recent call last): 
    23749 File
    23750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23751 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23752 return self._func(self._name, data) 
    23753 File
    23754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23755 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23756 if v.display: 
    23757 File
    23758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23759 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23760 return self._any_displayed_positions and len(self._positions) > 0 
    23761 TypeError: object of type 'NoneType' has no len() 
    23762  
    23763 During handling of the above exception, another exception occurred: 
    23764  
    23765 Traceback (most recent call last): 
    23766 File
    23767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23768 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23769 if not self.draw_new_frame(): 
    23770 File
    23771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23772 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23773 changed = view.check_for_drawing_change() 
    23774 File
    23775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23776 packages/chimerax/core/graphics/view.py", line 252, in
    23777 check_for_drawing_change 
    23778 trig.activate_trigger('graphics update', self) 
    23779 File
    23780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23781 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23782 trigger.activate(data) 
    23783 File
    23784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23785 packages/chimerax/core/triggerset.py", line 190, in activate 
    23786 ret = handler.invoke(data, self._remove_bad_handlers) 
    23787 File
    23788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23789 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23790 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23791 File
    23792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23793 packages/chimerax/core/session.py", line 943, in <lambda> 
    23794 logger.report_exception(preface=preface)) 
    23795 File
    23796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23797 packages/chimerax/core/logger.py", line 421, in report_exception 
    23798 elif probably_chimera1_session(exc_info): 
    23799 File
    23800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23801 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23802 etype, evalue, etraceback = exc_info 
    23803 TypeError: cannot unpack non-iterable NoneType object 
    23804  
    23805 TypeError: cannot unpack non-iterable NoneType object 
    23806  
    23807 File
    23808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23809 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23810 etype, evalue, etraceback = exc_info 
    23811  
    23812 See log for complete Python traceback. 
    23813  
    23814 Traceback (most recent call last): 
    23815 File
    23816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23817 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23818 return self._func(self._name, data) 
    23819 File
    23820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23821 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23822 if v.display: 
    23823 File
    23824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23825 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23826 return self._any_displayed_positions and len(self._positions) > 0 
    23827 TypeError: object of type 'NoneType' has no len() 
    23828  
    23829 During handling of the above exception, another exception occurred: 
    23830  
    23831 Traceback (most recent call last): 
    23832 File
    23833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23834 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23835 if not self.draw_new_frame(): 
    23836 File
    23837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23838 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23839 changed = view.check_for_drawing_change() 
    23840 File
    23841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23842 packages/chimerax/core/graphics/view.py", line 252, in
    23843 check_for_drawing_change 
    23844 trig.activate_trigger('graphics update', self) 
    23845 File
    23846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23847 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23848 trigger.activate(data) 
    23849 File
    23850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23851 packages/chimerax/core/triggerset.py", line 190, in activate 
    23852 ret = handler.invoke(data, self._remove_bad_handlers) 
    23853 File
    23854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23855 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23856 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23857 File
    23858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23859 packages/chimerax/core/session.py", line 943, in <lambda> 
    23860 logger.report_exception(preface=preface)) 
    23861 File
    23862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23863 packages/chimerax/core/logger.py", line 421, in report_exception 
    23864 elif probably_chimera1_session(exc_info): 
    23865 File
    23866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23867 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23868 etype, evalue, etraceback = exc_info 
    23869 TypeError: cannot unpack non-iterable NoneType object 
    23870  
    23871 TypeError: cannot unpack non-iterable NoneType object 
    23872  
    23873 File
    23874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23875 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23876 etype, evalue, etraceback = exc_info 
    23877  
    23878 See log for complete Python traceback. 
    23879  
    23880 Traceback (most recent call last): 
    23881 File
    23882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23883 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23884 return self._func(self._name, data) 
    23885 File
    23886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23887 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23888 if v.display: 
    23889 File
    23890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23891 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23892 return self._any_displayed_positions and len(self._positions) > 0 
    23893 TypeError: object of type 'NoneType' has no len() 
    23894  
    23895 During handling of the above exception, another exception occurred: 
    23896  
    23897 Traceback (most recent call last): 
    23898 File
    23899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23900 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23901 if not self.draw_new_frame(): 
    23902 File
    23903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23904 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23905 changed = view.check_for_drawing_change() 
    23906 File
    23907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23908 packages/chimerax/core/graphics/view.py", line 252, in
    23909 check_for_drawing_change 
    23910 trig.activate_trigger('graphics update', self) 
    23911 File
    23912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23913 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23914 trigger.activate(data) 
    23915 File
    23916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23917 packages/chimerax/core/triggerset.py", line 190, in activate 
    23918 ret = handler.invoke(data, self._remove_bad_handlers) 
    23919 File
    23920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23921 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23922 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23923 File
    23924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23925 packages/chimerax/core/session.py", line 943, in <lambda> 
    23926 logger.report_exception(preface=preface)) 
    23927 File
    23928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23929 packages/chimerax/core/logger.py", line 421, in report_exception 
    23930 elif probably_chimera1_session(exc_info): 
    23931 File
    23932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23933 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23934 etype, evalue, etraceback = exc_info 
    23935 TypeError: cannot unpack non-iterable NoneType object 
    23936  
    23937 TypeError: cannot unpack non-iterable NoneType object 
    23938  
    23939 File
    23940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23941 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23942 etype, evalue, etraceback = exc_info 
    23943  
    23944 See log for complete Python traceback. 
    23945  
    23946 Traceback (most recent call last): 
    23947 File
    23948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23949 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23950 return self._func(self._name, data) 
    23951 File
    23952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23953 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23954 if v.display: 
    23955 File
    23956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23957 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23958 return self._any_displayed_positions and len(self._positions) > 0 
    23959 TypeError: object of type 'NoneType' has no len() 
    23960  
    23961 During handling of the above exception, another exception occurred: 
    23962  
    23963 Traceback (most recent call last): 
    23964 File
    23965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23966 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23967 if not self.draw_new_frame(): 
    23968 File
    23969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23970 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23971 changed = view.check_for_drawing_change() 
    23972 File
    23973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23974 packages/chimerax/core/graphics/view.py", line 252, in
    23975 check_for_drawing_change 
    23976 trig.activate_trigger('graphics update', self) 
    23977 File
    23978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23979 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23980 trigger.activate(data) 
    23981 File
    23982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23983 packages/chimerax/core/triggerset.py", line 190, in activate 
    23984 ret = handler.invoke(data, self._remove_bad_handlers) 
    23985 File
    23986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23987 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23988 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23989 File
    23990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23991 packages/chimerax/core/session.py", line 943, in <lambda> 
    23992 logger.report_exception(preface=preface)) 
    23993 File
    23994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23995 packages/chimerax/core/logger.py", line 421, in report_exception 
    23996 elif probably_chimera1_session(exc_info): 
    23997 File
    23998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23999 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24000 etype, evalue, etraceback = exc_info 
    24001 TypeError: cannot unpack non-iterable NoneType object 
    24002  
    24003 TypeError: cannot unpack non-iterable NoneType object 
    24004  
    24005 File
    24006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24007 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24008 etype, evalue, etraceback = exc_info 
    24009  
    24010 See log for complete Python traceback. 
    24011  
    24012 Traceback (most recent call last): 
    24013 File
    24014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24015 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24016 return self._func(self._name, data) 
    24017 File
    24018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24019 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24020 if v.display: 
    24021 File
    24022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24023 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24024 return self._any_displayed_positions and len(self._positions) > 0 
    24025 TypeError: object of type 'NoneType' has no len() 
    24026  
    24027 During handling of the above exception, another exception occurred: 
    24028  
    24029 Traceback (most recent call last): 
    24030 File
    24031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24032 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24033 if not self.draw_new_frame(): 
    24034 File
    24035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24036 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24037 changed = view.check_for_drawing_change() 
    24038 File
    24039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24040 packages/chimerax/core/graphics/view.py", line 252, in
    24041 check_for_drawing_change 
    24042 trig.activate_trigger('graphics update', self) 
    24043 File
    24044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24045 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24046 trigger.activate(data) 
    24047 File
    24048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24049 packages/chimerax/core/triggerset.py", line 190, in activate 
    24050 ret = handler.invoke(data, self._remove_bad_handlers) 
    24051 File
    24052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24053 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24054 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24055 File
    24056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24057 packages/chimerax/core/session.py", line 943, in <lambda> 
    24058 logger.report_exception(preface=preface)) 
    24059 File
    24060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24061 packages/chimerax/core/logger.py", line 421, in report_exception 
    24062 elif probably_chimera1_session(exc_info): 
    24063 File
    24064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24065 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24066 etype, evalue, etraceback = exc_info 
    24067 TypeError: cannot unpack non-iterable NoneType object 
    24068  
    24069 TypeError: cannot unpack non-iterable NoneType object 
    24070  
    24071 File
    24072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24073 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24074 etype, evalue, etraceback = exc_info 
    24075  
    24076 See log for complete Python traceback. 
    24077  
    24078 Traceback (most recent call last): 
    24079 File
    24080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24081 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24082 return self._func(self._name, data) 
    24083 File
    24084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24085 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24086 if v.display: 
    24087 File
    24088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24089 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24090 return self._any_displayed_positions and len(self._positions) > 0 
    24091 TypeError: object of type 'NoneType' has no len() 
    24092  
    24093 During handling of the above exception, another exception occurred: 
    24094  
    24095 Traceback (most recent call last): 
    24096 File
    24097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24098 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24099 if not self.draw_new_frame(): 
    24100 File
    24101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24102 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24103 changed = view.check_for_drawing_change() 
    24104 File
    24105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24106 packages/chimerax/core/graphics/view.py", line 252, in
    24107 check_for_drawing_change 
    24108 trig.activate_trigger('graphics update', self) 
    24109 File
    24110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24111 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24112 trigger.activate(data) 
    24113 File
    24114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24115 packages/chimerax/core/triggerset.py", line 190, in activate 
    24116 ret = handler.invoke(data, self._remove_bad_handlers) 
    24117 File
    24118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24119 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24120 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24121 File
    24122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24123 packages/chimerax/core/session.py", line 943, in <lambda> 
    24124 logger.report_exception(preface=preface)) 
    24125 File
    24126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24127 packages/chimerax/core/logger.py", line 421, in report_exception 
    24128 elif probably_chimera1_session(exc_info): 
    24129 File
    24130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24131 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24132 etype, evalue, etraceback = exc_info 
    24133 TypeError: cannot unpack non-iterable NoneType object 
    24134  
    24135 TypeError: cannot unpack non-iterable NoneType object 
    24136  
    24137 File
    24138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24139 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24140 etype, evalue, etraceback = exc_info 
    24141  
    24142 See log for complete Python traceback. 
    24143  
    24144 Traceback (most recent call last): 
    24145 File
    24146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24147 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24148 return self._func(self._name, data) 
    24149 File
    24150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24151 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24152 if v.display: 
    24153 File
    24154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24155 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24156 return self._any_displayed_positions and len(self._positions) > 0 
    24157 TypeError: object of type 'NoneType' has no len() 
    24158  
    24159 During handling of the above exception, another exception occurred: 
    24160  
    24161 Traceback (most recent call last): 
    24162 File
    24163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24164 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24165 if not self.draw_new_frame(): 
    24166 File
    24167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24168 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24169 changed = view.check_for_drawing_change() 
    24170 File
    24171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24172 packages/chimerax/core/graphics/view.py", line 252, in
    24173 check_for_drawing_change 
    24174 trig.activate_trigger('graphics update', self) 
    24175 File
    24176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24177 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24178 trigger.activate(data) 
    24179 File
    24180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24181 packages/chimerax/core/triggerset.py", line 190, in activate 
    24182 ret = handler.invoke(data, self._remove_bad_handlers) 
    24183 File
    24184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24185 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24186 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24187 File
    24188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24189 packages/chimerax/core/session.py", line 943, in <lambda> 
    24190 logger.report_exception(preface=preface)) 
    24191 File
    24192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24193 packages/chimerax/core/logger.py", line 421, in report_exception 
    24194 elif probably_chimera1_session(exc_info): 
    24195 File
    24196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24197 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24198 etype, evalue, etraceback = exc_info 
    24199 TypeError: cannot unpack non-iterable NoneType object 
    24200  
    24201 TypeError: cannot unpack non-iterable NoneType object 
    24202  
    24203 File
    24204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24205 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24206 etype, evalue, etraceback = exc_info 
    24207  
    24208 See log for complete Python traceback. 
    24209  
    24210 Traceback (most recent call last): 
    24211 File
    24212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24213 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24214 return self._func(self._name, data) 
    24215 File
    24216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24217 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24218 if v.display: 
    24219 File
    24220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24221 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24222 return self._any_displayed_positions and len(self._positions) > 0 
    24223 TypeError: object of type 'NoneType' has no len() 
    24224  
    24225 During handling of the above exception, another exception occurred: 
    24226  
    24227 Traceback (most recent call last): 
    24228 File
    24229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24230 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24231 if not self.draw_new_frame(): 
    24232 File
    24233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24234 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24235 changed = view.check_for_drawing_change() 
    24236 File
    24237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24238 packages/chimerax/core/graphics/view.py", line 252, in
    24239 check_for_drawing_change 
    24240 trig.activate_trigger('graphics update', self) 
    24241 File
    24242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24243 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24244 trigger.activate(data) 
    24245 File
    24246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24247 packages/chimerax/core/triggerset.py", line 190, in activate 
    24248 ret = handler.invoke(data, self._remove_bad_handlers) 
    24249 File
    24250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24251 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24252 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24253 File
    24254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24255 packages/chimerax/core/session.py", line 943, in <lambda> 
    24256 logger.report_exception(preface=preface)) 
    24257 File
    24258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24259 packages/chimerax/core/logger.py", line 421, in report_exception 
    24260 elif probably_chimera1_session(exc_info): 
    24261 File
    24262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24263 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24264 etype, evalue, etraceback = exc_info 
    24265 TypeError: cannot unpack non-iterable NoneType object 
    24266  
    24267 TypeError: cannot unpack non-iterable NoneType object 
    24268  
    24269 File
    24270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24271 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24272 etype, evalue, etraceback = exc_info 
    24273  
    24274 See log for complete Python traceback. 
    24275  
    24276 Traceback (most recent call last): 
    24277 File
    24278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24279 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24280 return self._func(self._name, data) 
    24281 File
    24282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24283 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24284 if v.display: 
    24285 File
    24286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24287 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24288 return self._any_displayed_positions and len(self._positions) > 0 
    24289 TypeError: object of type 'NoneType' has no len() 
    24290  
    24291 During handling of the above exception, another exception occurred: 
    24292  
    24293 Traceback (most recent call last): 
    24294 File
    24295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24296 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24297 if not self.draw_new_frame(): 
    24298 File
    24299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24300 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24301 changed = view.check_for_drawing_change() 
    24302 File
    24303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24304 packages/chimerax/core/graphics/view.py", line 252, in
    24305 check_for_drawing_change 
    24306 trig.activate_trigger('graphics update', self) 
    24307 File
    24308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24309 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24310 trigger.activate(data) 
    24311 File
    24312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24313 packages/chimerax/core/triggerset.py", line 190, in activate 
    24314 ret = handler.invoke(data, self._remove_bad_handlers) 
    24315 File
    24316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24317 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24318 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24319 File
    24320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24321 packages/chimerax/core/session.py", line 943, in <lambda> 
    24322 logger.report_exception(preface=preface)) 
    24323 File
    24324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24325 packages/chimerax/core/logger.py", line 421, in report_exception 
    24326 elif probably_chimera1_session(exc_info): 
    24327 File
    24328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24329 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24330 etype, evalue, etraceback = exc_info 
    24331 TypeError: cannot unpack non-iterable NoneType object 
    24332  
    24333 TypeError: cannot unpack non-iterable NoneType object 
    24334  
    24335 File
    24336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24337 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24338 etype, evalue, etraceback = exc_info 
    24339  
    24340 See log for complete Python traceback. 
    24341  
    24342 Traceback (most recent call last): 
    24343 File
    24344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24345 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24346 return self._func(self._name, data) 
    24347 File
    24348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24349 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24350 if v.display: 
    24351 File
    24352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24353 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24354 return self._any_displayed_positions and len(self._positions) > 0 
    24355 TypeError: object of type 'NoneType' has no len() 
    24356  
    24357 During handling of the above exception, another exception occurred: 
    24358  
    24359 Traceback (most recent call last): 
    24360 File
    24361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24362 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24363 if not self.draw_new_frame(): 
    24364 File
    24365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24366 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24367 changed = view.check_for_drawing_change() 
    24368 File
    24369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24370 packages/chimerax/core/graphics/view.py", line 252, in
    24371 check_for_drawing_change 
    24372 trig.activate_trigger('graphics update', self) 
    24373 File
    24374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24375 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24376 trigger.activate(data) 
    24377 File
    24378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24379 packages/chimerax/core/triggerset.py", line 190, in activate 
    24380 ret = handler.invoke(data, self._remove_bad_handlers) 
    24381 File
    24382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24383 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24384 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24385 File
    24386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24387 packages/chimerax/core/session.py", line 943, in <lambda> 
    24388 logger.report_exception(preface=preface)) 
    24389 File
    24390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24391 packages/chimerax/core/logger.py", line 421, in report_exception 
    24392 elif probably_chimera1_session(exc_info): 
    24393 File
    24394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24395 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24396 etype, evalue, etraceback = exc_info 
    24397 TypeError: cannot unpack non-iterable NoneType object 
    24398  
    24399 TypeError: cannot unpack non-iterable NoneType object 
    24400  
    24401 File
    24402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24403 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24404 etype, evalue, etraceback = exc_info 
    24405  
    24406 See log for complete Python traceback. 
    24407  
    24408 Traceback (most recent call last): 
    24409 File
    24410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24411 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24412 return self._func(self._name, data) 
    24413 File
    24414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24415 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24416 if v.display: 
    24417 File
    24418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24419 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24420 return self._any_displayed_positions and len(self._positions) > 0 
    24421 TypeError: object of type 'NoneType' has no len() 
    24422  
    24423 During handling of the above exception, another exception occurred: 
    24424  
    24425 Traceback (most recent call last): 
    24426 File
    24427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24428 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24429 if not self.draw_new_frame(): 
    24430 File
    24431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24432 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24433 changed = view.check_for_drawing_change() 
    24434 File
    24435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24436 packages/chimerax/core/graphics/view.py", line 252, in
    24437 check_for_drawing_change 
    24438 trig.activate_trigger('graphics update', self) 
    24439 File
    24440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24441 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24442 trigger.activate(data) 
    24443 File
    24444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24445 packages/chimerax/core/triggerset.py", line 190, in activate 
    24446 ret = handler.invoke(data, self._remove_bad_handlers) 
    24447 File
    24448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24449 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24450 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24451 File
    24452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24453 packages/chimerax/core/session.py", line 943, in <lambda> 
    24454 logger.report_exception(preface=preface)) 
    24455 File
    24456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24457 packages/chimerax/core/logger.py", line 421, in report_exception 
    24458 elif probably_chimera1_session(exc_info): 
    24459 File
    24460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24461 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24462 etype, evalue, etraceback = exc_info 
    24463 TypeError: cannot unpack non-iterable NoneType object 
    24464  
    24465 TypeError: cannot unpack non-iterable NoneType object 
    24466  
    24467 File
    24468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24469 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24470 etype, evalue, etraceback = exc_info 
    24471  
    24472 See log for complete Python traceback. 
    24473  
    24474 Traceback (most recent call last): 
    24475 File
    24476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24477 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24478 return self._func(self._name, data) 
    24479 File
    24480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24481 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24482 if v.display: 
    24483 File
    24484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24485 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24486 return self._any_displayed_positions and len(self._positions) > 0 
    24487 TypeError: object of type 'NoneType' has no len() 
    24488  
    24489 During handling of the above exception, another exception occurred: 
    24490  
    24491 Traceback (most recent call last): 
    24492 File
    24493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24494 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24495 if not self.draw_new_frame(): 
    24496 File
    24497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24498 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24499 changed = view.check_for_drawing_change() 
    24500 File
    24501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24502 packages/chimerax/core/graphics/view.py", line 252, in
    24503 check_for_drawing_change 
    24504 trig.activate_trigger('graphics update', self) 
    24505 File
    24506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24507 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24508 trigger.activate(data) 
    24509 File
    24510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24511 packages/chimerax/core/triggerset.py", line 190, in activate 
    24512 ret = handler.invoke(data, self._remove_bad_handlers) 
    24513 File
    24514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24515 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24516 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24517 File
    24518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24519 packages/chimerax/core/session.py", line 943, in <lambda> 
    24520 logger.report_exception(preface=preface)) 
    24521 File
    24522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24523 packages/chimerax/core/logger.py", line 421, in report_exception 
    24524 elif probably_chimera1_session(exc_info): 
    24525 File
    24526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24527 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24528 etype, evalue, etraceback = exc_info 
    24529 TypeError: cannot unpack non-iterable NoneType object 
    24530  
    24531 TypeError: cannot unpack non-iterable NoneType object 
    24532  
    24533 File
    24534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24535 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24536 etype, evalue, etraceback = exc_info 
    24537  
    24538 See log for complete Python traceback. 
    24539  
    24540 Traceback (most recent call last): 
    24541 File
    24542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24543 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24544 return self._func(self._name, data) 
    24545 File
    24546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24547 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24548 if v.display: 
    24549 File
    24550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24551 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24552 return self._any_displayed_positions and len(self._positions) > 0 
    24553 TypeError: object of type 'NoneType' has no len() 
    24554  
    24555 During handling of the above exception, another exception occurred: 
    24556  
    24557 Traceback (most recent call last): 
    24558 File
    24559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24560 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24561 if not self.draw_new_frame(): 
    24562 File
    24563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24564 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24565 changed = view.check_for_drawing_change() 
    24566 File
    24567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24568 packages/chimerax/core/graphics/view.py", line 252, in
    24569 check_for_drawing_change 
    24570 trig.activate_trigger('graphics update', self) 
    24571 File
    24572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24573 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24574 trigger.activate(data) 
    24575 File
    24576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24577 packages/chimerax/core/triggerset.py", line 190, in activate 
    24578 ret = handler.invoke(data, self._remove_bad_handlers) 
    24579 File
    24580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24581 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24582 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24583 File
    24584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24585 packages/chimerax/core/session.py", line 943, in <lambda> 
    24586 logger.report_exception(preface=preface)) 
    24587 File
    24588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24589 packages/chimerax/core/logger.py", line 421, in report_exception 
    24590 elif probably_chimera1_session(exc_info): 
    24591 File
    24592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24593 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24594 etype, evalue, etraceback = exc_info 
    24595 TypeError: cannot unpack non-iterable NoneType object 
    24596  
    24597 TypeError: cannot unpack non-iterable NoneType object 
    24598  
    24599 File
    24600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24601 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24602 etype, evalue, etraceback = exc_info 
    24603  
    24604 See log for complete Python traceback. 
    24605  
    24606 Traceback (most recent call last): 
    24607 File
    24608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24609 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24610 return self._func(self._name, data) 
    24611 File
    24612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24613 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24614 if v.display: 
    24615 File
    24616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24617 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24618 return self._any_displayed_positions and len(self._positions) > 0 
    24619 TypeError: object of type 'NoneType' has no len() 
    24620  
    24621 During handling of the above exception, another exception occurred: 
    24622  
    24623 Traceback (most recent call last): 
    24624 File
    24625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24626 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24627 if not self.draw_new_frame(): 
    24628 File
    24629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24630 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24631 changed = view.check_for_drawing_change() 
    24632 File
    24633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24634 packages/chimerax/core/graphics/view.py", line 252, in
    24635 check_for_drawing_change 
    24636 trig.activate_trigger('graphics update', self) 
    24637 File
    24638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24639 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24640 trigger.activate(data) 
    24641 File
    24642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24643 packages/chimerax/core/triggerset.py", line 190, in activate 
    24644 ret = handler.invoke(data, self._remove_bad_handlers) 
    24645 File
    24646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24647 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24648 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24649 File
    24650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24651 packages/chimerax/core/session.py", line 943, in <lambda> 
    24652 logger.report_exception(preface=preface)) 
    24653 File
    24654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24655 packages/chimerax/core/logger.py", line 421, in report_exception 
    24656 elif probably_chimera1_session(exc_info): 
    24657 File
    24658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24659 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24660 etype, evalue, etraceback = exc_info 
    24661 TypeError: cannot unpack non-iterable NoneType object 
    24662  
    24663 TypeError: cannot unpack non-iterable NoneType object 
    24664  
    24665 File
    24666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24667 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24668 etype, evalue, etraceback = exc_info 
    24669  
    24670 See log for complete Python traceback. 
    24671  
    24672 Traceback (most recent call last): 
    24673 File
    24674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24675 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24676 return self._func(self._name, data) 
    24677 File
    24678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24679 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24680 if v.display: 
    24681 File
    24682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24683 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24684 return self._any_displayed_positions and len(self._positions) > 0 
    24685 TypeError: object of type 'NoneType' has no len() 
    24686  
    24687 During handling of the above exception, another exception occurred: 
    24688  
    24689 Traceback (most recent call last): 
    24690 File
    24691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24692 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24693 if not self.draw_new_frame(): 
    24694 File
    24695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24696 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24697 changed = view.check_for_drawing_change() 
    24698 File
    24699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24700 packages/chimerax/core/graphics/view.py", line 252, in
    24701 check_for_drawing_change 
    24702 trig.activate_trigger('graphics update', self) 
    24703 File
    24704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24705 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24706 trigger.activate(data) 
    24707 File
    24708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24709 packages/chimerax/core/triggerset.py", line 190, in activate 
    24710 ret = handler.invoke(data, self._remove_bad_handlers) 
    24711 File
    24712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24713 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24714 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24715 File
    24716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24717 packages/chimerax/core/session.py", line 943, in <lambda> 
    24718 logger.report_exception(preface=preface)) 
    24719 File
    24720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24721 packages/chimerax/core/logger.py", line 421, in report_exception 
    24722 elif probably_chimera1_session(exc_info): 
    24723 File
    24724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24725 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24726 etype, evalue, etraceback = exc_info 
    24727 TypeError: cannot unpack non-iterable NoneType object 
    24728  
    24729 TypeError: cannot unpack non-iterable NoneType object 
    24730  
    24731 File
    24732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24733 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24734 etype, evalue, etraceback = exc_info 
    24735  
    24736 See log for complete Python traceback. 
    24737  
    24738 Traceback (most recent call last): 
    24739 File
    24740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24741 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24742 return self._func(self._name, data) 
    24743 File
    24744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24745 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24746 if v.display: 
    24747 File
    24748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24749 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24750 return self._any_displayed_positions and len(self._positions) > 0 
    24751 TypeError: object of type 'NoneType' has no len() 
    24752  
    24753 During handling of the above exception, another exception occurred: 
    24754  
    24755 Traceback (most recent call last): 
    24756 File
    24757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24758 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24759 if not self.draw_new_frame(): 
    24760 File
    24761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24762 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24763 changed = view.check_for_drawing_change() 
    24764 File
    24765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24766 packages/chimerax/core/graphics/view.py", line 252, in
    24767 check_for_drawing_change 
    24768 trig.activate_trigger('graphics update', self) 
    24769 File
    24770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24771 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24772 trigger.activate(data) 
    24773 File
    24774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24775 packages/chimerax/core/triggerset.py", line 190, in activate 
    24776 ret = handler.invoke(data, self._remove_bad_handlers) 
    24777 File
    24778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24779 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24780 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24781 File
    24782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24783 packages/chimerax/core/session.py", line 943, in <lambda> 
    24784 logger.report_exception(preface=preface)) 
    24785 File
    24786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24787 packages/chimerax/core/logger.py", line 421, in report_exception 
    24788 elif probably_chimera1_session(exc_info): 
    24789 File
    24790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24791 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24792 etype, evalue, etraceback = exc_info 
    24793 TypeError: cannot unpack non-iterable NoneType object 
    24794  
    24795 TypeError: cannot unpack non-iterable NoneType object 
    24796  
    24797 File
    24798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24799 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24800 etype, evalue, etraceback = exc_info 
    24801  
    24802 See log for complete Python traceback. 
    24803  
    24804 Traceback (most recent call last): 
    24805 File
    24806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24807 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24808 return self._func(self._name, data) 
    24809 File
    24810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24811 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24812 if v.display: 
    24813 File
    24814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24815 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24816 return self._any_displayed_positions and len(self._positions) > 0 
    24817 TypeError: object of type 'NoneType' has no len() 
    24818  
    24819 During handling of the above exception, another exception occurred: 
    24820  
    24821 Traceback (most recent call last): 
    24822 File
    24823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24824 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24825 if not self.draw_new_frame(): 
    24826 File
    24827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24828 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24829 changed = view.check_for_drawing_change() 
    24830 File
    24831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24832 packages/chimerax/core/graphics/view.py", line 252, in
    24833 check_for_drawing_change 
    24834 trig.activate_trigger('graphics update', self) 
    24835 File
    24836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24837 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24838 trigger.activate(data) 
    24839 File
    24840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24841 packages/chimerax/core/triggerset.py", line 190, in activate 
    24842 ret = handler.invoke(data, self._remove_bad_handlers) 
    24843 File
    24844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24845 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24846 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24847 File
    24848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24849 packages/chimerax/core/session.py", line 943, in <lambda> 
    24850 logger.report_exception(preface=preface)) 
    24851 File
    24852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24853 packages/chimerax/core/logger.py", line 421, in report_exception 
    24854 elif probably_chimera1_session(exc_info): 
    24855 File
    24856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24857 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24858 etype, evalue, etraceback = exc_info 
    24859 TypeError: cannot unpack non-iterable NoneType object 
    24860  
    24861 TypeError: cannot unpack non-iterable NoneType object 
    24862  
    24863 File
    24864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24865 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24866 etype, evalue, etraceback = exc_info 
    24867  
    24868 See log for complete Python traceback. 
    24869  
    24870 Traceback (most recent call last): 
    24871 File
    24872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24873 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24874 return self._func(self._name, data) 
    24875 File
    24876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24877 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24878 if v.display: 
    24879 File
    24880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24881 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24882 return self._any_displayed_positions and len(self._positions) > 0 
    24883 TypeError: object of type 'NoneType' has no len() 
    24884  
    24885 During handling of the above exception, another exception occurred: 
    24886  
    24887 Traceback (most recent call last): 
    24888 File
    24889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24890 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24891 if not self.draw_new_frame(): 
    24892 File
    24893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24894 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24895 changed = view.check_for_drawing_change() 
    24896 File
    24897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24898 packages/chimerax/core/graphics/view.py", line 252, in
    24899 check_for_drawing_change 
    24900 trig.activate_trigger('graphics update', self) 
    24901 File
    24902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24903 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24904 trigger.activate(data) 
    24905 File
    24906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24907 packages/chimerax/core/triggerset.py", line 190, in activate 
    24908 ret = handler.invoke(data, self._remove_bad_handlers) 
    24909 File
    24910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24911 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24912 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24913 File
    24914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24915 packages/chimerax/core/session.py", line 943, in <lambda> 
    24916 logger.report_exception(preface=preface)) 
    24917 File
    24918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24919 packages/chimerax/core/logger.py", line 421, in report_exception 
    24920 elif probably_chimera1_session(exc_info): 
    24921 File
    24922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24923 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24924 etype, evalue, etraceback = exc_info 
    24925 TypeError: cannot unpack non-iterable NoneType object 
    24926  
    24927 TypeError: cannot unpack non-iterable NoneType object 
    24928  
    24929 File
    24930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24931 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24932 etype, evalue, etraceback = exc_info 
    24933  
    24934 See log for complete Python traceback. 
    24935  
    24936 Traceback (most recent call last): 
    24937 File
    24938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24939 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24940 return self._func(self._name, data) 
    24941 File
    24942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24943 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24944 if v.display: 
    24945 File
    24946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24947 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24948 return self._any_displayed_positions and len(self._positions) > 0 
    24949 TypeError: object of type 'NoneType' has no len() 
    24950  
    24951 During handling of the above exception, another exception occurred: 
    24952  
    24953 Traceback (most recent call last): 
    24954 File
    24955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24956 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24957 if not self.draw_new_frame(): 
    24958 File
    24959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24960 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24961 changed = view.check_for_drawing_change() 
    24962 File
    24963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24964 packages/chimerax/core/graphics/view.py", line 252, in
    24965 check_for_drawing_change 
    24966 trig.activate_trigger('graphics update', self) 
    24967 File
    24968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24969 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24970 trigger.activate(data) 
    24971 File
    24972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24973 packages/chimerax/core/triggerset.py", line 190, in activate 
    24974 ret = handler.invoke(data, self._remove_bad_handlers) 
    24975 File
    24976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24977 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24978 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24979 File
    24980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24981 packages/chimerax/core/session.py", line 943, in <lambda> 
    24982 logger.report_exception(preface=preface)) 
    24983 File
    24984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24985 packages/chimerax/core/logger.py", line 421, in report_exception 
    24986 elif probably_chimera1_session(exc_info): 
    24987 File
    24988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24989 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24990 etype, evalue, etraceback = exc_info 
    24991 TypeError: cannot unpack non-iterable NoneType object 
    24992  
    24993 TypeError: cannot unpack non-iterable NoneType object 
    24994  
    24995 File
    24996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24997 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24998 etype, evalue, etraceback = exc_info 
    24999  
    25000 See log for complete Python traceback. 
    25001  
    25002 Traceback (most recent call last): 
    25003 File
    25004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25005 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25006 return self._func(self._name, data) 
    25007 File
    25008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25009 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25010 if v.display: 
    25011 File
    25012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25013 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25014 return self._any_displayed_positions and len(self._positions) > 0 
    25015 TypeError: object of type 'NoneType' has no len() 
    25016  
    25017 During handling of the above exception, another exception occurred: 
    25018  
    25019 Traceback (most recent call last): 
    25020 File
    25021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25022 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25023 if not self.draw_new_frame(): 
    25024 File
    25025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25026 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25027 changed = view.check_for_drawing_change() 
    25028 File
    25029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25030 packages/chimerax/core/graphics/view.py", line 252, in
    25031 check_for_drawing_change 
    25032 trig.activate_trigger('graphics update', self) 
    25033 File
    25034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25035 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25036 trigger.activate(data) 
    25037 File
    25038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25039 packages/chimerax/core/triggerset.py", line 190, in activate 
    25040 ret = handler.invoke(data, self._remove_bad_handlers) 
    25041 File
    25042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25043 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25044 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25045 File
    25046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25047 packages/chimerax/core/session.py", line 943, in <lambda> 
    25048 logger.report_exception(preface=preface)) 
    25049 File
    25050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25051 packages/chimerax/core/logger.py", line 421, in report_exception 
    25052 elif probably_chimera1_session(exc_info): 
    25053 File
    25054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25055 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25056 etype, evalue, etraceback = exc_info 
    25057 TypeError: cannot unpack non-iterable NoneType object 
    25058  
    25059 TypeError: cannot unpack non-iterable NoneType object 
    25060  
    25061 File
    25062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25063 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25064 etype, evalue, etraceback = exc_info 
    25065  
    25066 See log for complete Python traceback. 
    25067  
    25068 Traceback (most recent call last): 
    25069 File
    25070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25071 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25072 return self._func(self._name, data) 
    25073 File
    25074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25075 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25076 if v.display: 
    25077 File
    25078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25079 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25080 return self._any_displayed_positions and len(self._positions) > 0 
    25081 TypeError: object of type 'NoneType' has no len() 
    25082  
    25083 During handling of the above exception, another exception occurred: 
    25084  
    25085 Traceback (most recent call last): 
    25086 File
    25087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25088 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25089 if not self.draw_new_frame(): 
    25090 File
    25091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25092 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25093 changed = view.check_for_drawing_change() 
    25094 File
    25095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25096 packages/chimerax/core/graphics/view.py", line 252, in
    25097 check_for_drawing_change 
    25098 trig.activate_trigger('graphics update', self) 
    25099 File
    25100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25101 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25102 trigger.activate(data) 
    25103 File
    25104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25105 packages/chimerax/core/triggerset.py", line 190, in activate 
    25106 ret = handler.invoke(data, self._remove_bad_handlers) 
    25107 File
    25108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25109 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25110 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25111 File
    25112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25113 packages/chimerax/core/session.py", line 943, in <lambda> 
    25114 logger.report_exception(preface=preface)) 
    25115 File
    25116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25117 packages/chimerax/core/logger.py", line 421, in report_exception 
    25118 elif probably_chimera1_session(exc_info): 
    25119 File
    25120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25121 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25122 etype, evalue, etraceback = exc_info 
    25123 TypeError: cannot unpack non-iterable NoneType object 
    25124  
    25125 TypeError: cannot unpack non-iterable NoneType object 
    25126  
    25127 File
    25128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25129 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25130 etype, evalue, etraceback = exc_info 
    25131  
    25132 See log for complete Python traceback. 
    25133  
    25134 Traceback (most recent call last): 
    25135 File
    25136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25137 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25138 return self._func(self._name, data) 
    25139 File
    25140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25141 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25142 if v.display: 
    25143 File
    25144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25145 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25146 return self._any_displayed_positions and len(self._positions) > 0 
    25147 TypeError: object of type 'NoneType' has no len() 
    25148  
    25149 During handling of the above exception, another exception occurred: 
    25150  
    25151 Traceback (most recent call last): 
    25152 File
    25153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25154 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25155 if not self.draw_new_frame(): 
    25156 File
    25157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25158 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25159 changed = view.check_for_drawing_change() 
    25160 File
    25161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25162 packages/chimerax/core/graphics/view.py", line 252, in
    25163 check_for_drawing_change 
    25164 trig.activate_trigger('graphics update', self) 
    25165 File
    25166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25167 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25168 trigger.activate(data) 
    25169 File
    25170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25171 packages/chimerax/core/triggerset.py", line 190, in activate 
    25172 ret = handler.invoke(data, self._remove_bad_handlers) 
    25173 File
    25174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25175 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25176 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25177 File
    25178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25179 packages/chimerax/core/session.py", line 943, in <lambda> 
    25180 logger.report_exception(preface=preface)) 
    25181 File
    25182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25183 packages/chimerax/core/logger.py", line 421, in report_exception 
    25184 elif probably_chimera1_session(exc_info): 
    25185 File
    25186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25187 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25188 etype, evalue, etraceback = exc_info 
    25189 TypeError: cannot unpack non-iterable NoneType object 
    25190  
    25191 TypeError: cannot unpack non-iterable NoneType object 
    25192  
    25193 File
    25194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25195 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25196 etype, evalue, etraceback = exc_info 
    25197  
    25198 See log for complete Python traceback. 
    25199  
    25200 Traceback (most recent call last): 
    25201 File
    25202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25203 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25204 return self._func(self._name, data) 
    25205 File
    25206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25207 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25208 if v.display: 
    25209 File
    25210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25211 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25212 return self._any_displayed_positions and len(self._positions) > 0 
    25213 TypeError: object of type 'NoneType' has no len() 
    25214  
    25215 During handling of the above exception, another exception occurred: 
    25216  
    25217 Traceback (most recent call last): 
    25218 File
    25219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25220 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25221 if not self.draw_new_frame(): 
    25222 File
    25223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25224 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25225 changed = view.check_for_drawing_change() 
    25226 File
    25227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25228 packages/chimerax/core/graphics/view.py", line 252, in
    25229 check_for_drawing_change 
    25230 trig.activate_trigger('graphics update', self) 
    25231 File
    25232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25233 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25234 trigger.activate(data) 
    25235 File
    25236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25237 packages/chimerax/core/triggerset.py", line 190, in activate 
    25238 ret = handler.invoke(data, self._remove_bad_handlers) 
    25239 File
    25240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25241 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25242 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25243 File
    25244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25245 packages/chimerax/core/session.py", line 943, in <lambda> 
    25246 logger.report_exception(preface=preface)) 
    25247 File
    25248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25249 packages/chimerax/core/logger.py", line 421, in report_exception 
    25250 elif probably_chimera1_session(exc_info): 
    25251 File
    25252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25253 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25254 etype, evalue, etraceback = exc_info 
    25255 TypeError: cannot unpack non-iterable NoneType object 
    25256  
    25257 TypeError: cannot unpack non-iterable NoneType object 
    25258  
    25259 File
    25260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25261 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25262 etype, evalue, etraceback = exc_info 
    25263  
    25264 See log for complete Python traceback. 
    25265  
    25266 Traceback (most recent call last): 
    25267 File
    25268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25269 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25270 return self._func(self._name, data) 
    25271 File
    25272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25273 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25274 if v.display: 
    25275 File
    25276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25277 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25278 return self._any_displayed_positions and len(self._positions) > 0 
    25279 TypeError: object of type 'NoneType' has no len() 
    25280  
    25281 During handling of the above exception, another exception occurred: 
    25282  
    25283 Traceback (most recent call last): 
    25284 File
    25285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25286 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25287 if not self.draw_new_frame(): 
    25288 File
    25289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25290 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25291 changed = view.check_for_drawing_change() 
    25292 File
    25293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25294 packages/chimerax/core/graphics/view.py", line 252, in
    25295 check_for_drawing_change 
    25296 trig.activate_trigger('graphics update', self) 
    25297 File
    25298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25299 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25300 trigger.activate(data) 
    25301 File
    25302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25303 packages/chimerax/core/triggerset.py", line 190, in activate 
    25304 ret = handler.invoke(data, self._remove_bad_handlers) 
    25305 File
    25306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25307 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25308 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25309 File
    25310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25311 packages/chimerax/core/session.py", line 943, in <lambda> 
    25312 logger.report_exception(preface=preface)) 
    25313 File
    25314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25315 packages/chimerax/core/logger.py", line 421, in report_exception 
    25316 elif probably_chimera1_session(exc_info): 
    25317 File
    25318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25319 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25320 etype, evalue, etraceback = exc_info 
    25321 TypeError: cannot unpack non-iterable NoneType object 
    25322  
    25323 TypeError: cannot unpack non-iterable NoneType object 
    25324  
    25325 File
    25326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25327 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25328 etype, evalue, etraceback = exc_info 
    25329  
    25330 See log for complete Python traceback. 
    25331  
    25332 Traceback (most recent call last): 
    25333 File
    25334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25335 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25336 return self._func(self._name, data) 
    25337 File
    25338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25339 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25340 if v.display: 
    25341 File
    25342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25343 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25344 return self._any_displayed_positions and len(self._positions) > 0 
    25345 TypeError: object of type 'NoneType' has no len() 
    25346  
    25347 During handling of the above exception, another exception occurred: 
    25348  
    25349 Traceback (most recent call last): 
    25350 File
    25351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25352 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25353 if not self.draw_new_frame(): 
    25354 File
    25355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25356 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25357 changed = view.check_for_drawing_change() 
    25358 File
    25359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25360 packages/chimerax/core/graphics/view.py", line 252, in
    25361 check_for_drawing_change 
    25362 trig.activate_trigger('graphics update', self) 
    25363 File
    25364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25365 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25366 trigger.activate(data) 
    25367 File
    25368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25369 packages/chimerax/core/triggerset.py", line 190, in activate 
    25370 ret = handler.invoke(data, self._remove_bad_handlers) 
    25371 File
    25372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25373 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25374 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25375 File
    25376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25377 packages/chimerax/core/session.py", line 943, in <lambda> 
    25378 logger.report_exception(preface=preface)) 
    25379 File
    25380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25381 packages/chimerax/core/logger.py", line 421, in report_exception 
    25382 elif probably_chimera1_session(exc_info): 
    25383 File
    25384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25385 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25386 etype, evalue, etraceback = exc_info 
    25387 TypeError: cannot unpack non-iterable NoneType object 
    25388  
    25389 TypeError: cannot unpack non-iterable NoneType object 
    25390  
    25391 File
    25392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25393 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25394 etype, evalue, etraceback = exc_info 
    25395  
    25396 See log for complete Python traceback. 
    25397  
    25398 Traceback (most recent call last): 
    25399 File
    25400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25401 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25402 return self._func(self._name, data) 
    25403 File
    25404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25405 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25406 if v.display: 
    25407 File
    25408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25409 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25410 return self._any_displayed_positions and len(self._positions) > 0 
    25411 TypeError: object of type 'NoneType' has no len() 
    25412  
    25413 During handling of the above exception, another exception occurred: 
    25414  
    25415 Traceback (most recent call last): 
    25416 File
    25417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25418 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25419 if not self.draw_new_frame(): 
    25420 File
    25421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25422 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25423 changed = view.check_for_drawing_change() 
    25424 File
    25425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25426 packages/chimerax/core/graphics/view.py", line 252, in
    25427 check_for_drawing_change 
    25428 trig.activate_trigger('graphics update', self) 
    25429 File
    25430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25431 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25432 trigger.activate(data) 
    25433 File
    25434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25435 packages/chimerax/core/triggerset.py", line 190, in activate 
    25436 ret = handler.invoke(data, self._remove_bad_handlers) 
    25437 File
    25438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25439 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25440 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25441 File
    25442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25443 packages/chimerax/core/session.py", line 943, in <lambda> 
    25444 logger.report_exception(preface=preface)) 
    25445 File
    25446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25447 packages/chimerax/core/logger.py", line 421, in report_exception 
    25448 elif probably_chimera1_session(exc_info): 
    25449 File
    25450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25451 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25452 etype, evalue, etraceback = exc_info 
    25453 TypeError: cannot unpack non-iterable NoneType object 
    25454  
    25455 TypeError: cannot unpack non-iterable NoneType object 
    25456  
    25457 File
    25458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25459 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25460 etype, evalue, etraceback = exc_info 
    25461  
    25462 See log for complete Python traceback. 
    25463  
    25464 Traceback (most recent call last): 
    25465 File
    25466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25467 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25468 return self._func(self._name, data) 
    25469 File
    25470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25471 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25472 if v.display: 
    25473 File
    25474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25475 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25476 return self._any_displayed_positions and len(self._positions) > 0 
    25477 TypeError: object of type 'NoneType' has no len() 
    25478  
    25479 During handling of the above exception, another exception occurred: 
    25480  
    25481 Traceback (most recent call last): 
    25482 File
    25483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25484 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25485 if not self.draw_new_frame(): 
    25486 File
    25487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25488 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25489 changed = view.check_for_drawing_change() 
    25490 File
    25491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25492 packages/chimerax/core/graphics/view.py", line 252, in
    25493 check_for_drawing_change 
    25494 trig.activate_trigger('graphics update', self) 
    25495 File
    25496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25497 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25498 trigger.activate(data) 
    25499 File
    25500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25501 packages/chimerax/core/triggerset.py", line 190, in activate 
    25502 ret = handler.invoke(data, self._remove_bad_handlers) 
    25503 File
    25504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25505 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25506 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25507 File
    25508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25509 packages/chimerax/core/session.py", line 943, in <lambda> 
    25510 logger.report_exception(preface=preface)) 
    25511 File
    25512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25513 packages/chimerax/core/logger.py", line 421, in report_exception 
    25514 elif probably_chimera1_session(exc_info): 
    25515 File
    25516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25517 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25518 etype, evalue, etraceback = exc_info 
    25519 TypeError: cannot unpack non-iterable NoneType object 
    25520  
    25521 TypeError: cannot unpack non-iterable NoneType object 
    25522  
    25523 File
    25524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25525 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25526 etype, evalue, etraceback = exc_info 
    25527  
    25528 See log for complete Python traceback. 
    25529  
    25530 Traceback (most recent call last): 
    25531 File
    25532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25533 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25534 return self._func(self._name, data) 
    25535 File
    25536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25537 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25538 if v.display: 
    25539 File
    25540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25541 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25542 return self._any_displayed_positions and len(self._positions) > 0 
    25543 TypeError: object of type 'NoneType' has no len() 
    25544  
    25545 During handling of the above exception, another exception occurred: 
    25546  
    25547 Traceback (most recent call last): 
    25548 File
    25549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25550 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25551 if not self.draw_new_frame(): 
    25552 File
    25553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25554 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25555 changed = view.check_for_drawing_change() 
    25556 File
    25557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25558 packages/chimerax/core/graphics/view.py", line 252, in
    25559 check_for_drawing_change 
    25560 trig.activate_trigger('graphics update', self) 
    25561 File
    25562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25563 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25564 trigger.activate(data) 
    25565 File
    25566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25567 packages/chimerax/core/triggerset.py", line 190, in activate 
    25568 ret = handler.invoke(data, self._remove_bad_handlers) 
    25569 File
    25570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25571 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25572 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25573 File
    25574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25575 packages/chimerax/core/session.py", line 943, in <lambda> 
    25576 logger.report_exception(preface=preface)) 
    25577 File
    25578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25579 packages/chimerax/core/logger.py", line 421, in report_exception 
    25580 elif probably_chimera1_session(exc_info): 
    25581 File
    25582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25583 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25584 etype, evalue, etraceback = exc_info 
    25585 TypeError: cannot unpack non-iterable NoneType object 
    25586  
    25587 TypeError: cannot unpack non-iterable NoneType object 
    25588  
    25589 File
    25590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25591 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25592 etype, evalue, etraceback = exc_info 
    25593  
    25594 See log for complete Python traceback. 
    25595  
    25596 Traceback (most recent call last): 
    25597 File
    25598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25599 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25600 return self._func(self._name, data) 
    25601 File
    25602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25603 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25604 if v.display: 
    25605 File
    25606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25607 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25608 return self._any_displayed_positions and len(self._positions) > 0 
    25609 TypeError: object of type 'NoneType' has no len() 
    25610  
    25611 During handling of the above exception, another exception occurred: 
    25612  
    25613 Traceback (most recent call last): 
    25614 File
    25615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25616 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25617 if not self.draw_new_frame(): 
    25618 File
    25619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25620 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25621 changed = view.check_for_drawing_change() 
    25622 File
    25623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25624 packages/chimerax/core/graphics/view.py", line 252, in
    25625 check_for_drawing_change 
    25626 trig.activate_trigger('graphics update', self) 
    25627 File
    25628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25629 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25630 trigger.activate(data) 
    25631 File
    25632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25633 packages/chimerax/core/triggerset.py", line 190, in activate 
    25634 ret = handler.invoke(data, self._remove_bad_handlers) 
    25635 File
    25636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25637 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25638 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25639 File
    25640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25641 packages/chimerax/core/session.py", line 943, in <lambda> 
    25642 logger.report_exception(preface=preface)) 
    25643 File
    25644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25645 packages/chimerax/core/logger.py", line 421, in report_exception 
    25646 elif probably_chimera1_session(exc_info): 
    25647 File
    25648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25649 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25650 etype, evalue, etraceback = exc_info 
    25651 TypeError: cannot unpack non-iterable NoneType object 
    25652  
    25653 TypeError: cannot unpack non-iterable NoneType object 
    25654  
    25655 File
    25656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25657 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25658 etype, evalue, etraceback = exc_info 
    25659  
    25660 See log for complete Python traceback. 
    25661  
    25662 Traceback (most recent call last): 
    25663 File
    25664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25665 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25666 return self._func(self._name, data) 
    25667 File
    25668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25669 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25670 if v.display: 
    25671 File
    25672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25673 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25674 return self._any_displayed_positions and len(self._positions) > 0 
    25675 TypeError: object of type 'NoneType' has no len() 
    25676  
    25677 During handling of the above exception, another exception occurred: 
    25678  
    25679 Traceback (most recent call last): 
    25680 File
    25681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25682 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25683 if not self.draw_new_frame(): 
    25684 File
    25685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25686 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25687 changed = view.check_for_drawing_change() 
    25688 File
    25689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25690 packages/chimerax/core/graphics/view.py", line 252, in
    25691 check_for_drawing_change 
    25692 trig.activate_trigger('graphics update', self) 
    25693 File
    25694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25695 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25696 trigger.activate(data) 
    25697 File
    25698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25699 packages/chimerax/core/triggerset.py", line 190, in activate 
    25700 ret = handler.invoke(data, self._remove_bad_handlers) 
    25701 File
    25702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25703 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25704 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25705 File
    25706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25707 packages/chimerax/core/session.py", line 943, in <lambda> 
    25708 logger.report_exception(preface=preface)) 
    25709 File
    25710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25711 packages/chimerax/core/logger.py", line 421, in report_exception 
    25712 elif probably_chimera1_session(exc_info): 
    25713 File
    25714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25715 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25716 etype, evalue, etraceback = exc_info 
    25717 TypeError: cannot unpack non-iterable NoneType object 
    25718  
    25719 TypeError: cannot unpack non-iterable NoneType object 
    25720  
    25721 File
    25722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25723 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25724 etype, evalue, etraceback = exc_info 
    25725  
    25726 See log for complete Python traceback. 
    25727  
    25728 Traceback (most recent call last): 
    25729 File
    25730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25731 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25732 return self._func(self._name, data) 
    25733 File
    25734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25735 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25736 if v.display: 
    25737 File
    25738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25739 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25740 return self._any_displayed_positions and len(self._positions) > 0 
    25741 TypeError: object of type 'NoneType' has no len() 
    25742  
    25743 During handling of the above exception, another exception occurred: 
    25744  
    25745 Traceback (most recent call last): 
    25746 File
    25747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25748 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25749 if not self.draw_new_frame(): 
    25750 File
    25751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25752 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25753 changed = view.check_for_drawing_change() 
    25754 File
    25755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25756 packages/chimerax/core/graphics/view.py", line 252, in
    25757 check_for_drawing_change 
    25758 trig.activate_trigger('graphics update', self) 
    25759 File
    25760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25761 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25762 trigger.activate(data) 
    25763 File
    25764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25765 packages/chimerax/core/triggerset.py", line 190, in activate 
    25766 ret = handler.invoke(data, self._remove_bad_handlers) 
    25767 File
    25768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25769 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25770 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25771 File
    25772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25773 packages/chimerax/core/session.py", line 943, in <lambda> 
    25774 logger.report_exception(preface=preface)) 
    25775 File
    25776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25777 packages/chimerax/core/logger.py", line 421, in report_exception 
    25778 elif probably_chimera1_session(exc_info): 
    25779 File
    25780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25781 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25782 etype, evalue, etraceback = exc_info 
    25783 TypeError: cannot unpack non-iterable NoneType object 
    25784  
    25785 TypeError: cannot unpack non-iterable NoneType object 
    25786  
    25787 File
    25788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25789 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25790 etype, evalue, etraceback = exc_info 
    25791  
    25792 See log for complete Python traceback. 
    25793  
    25794 Traceback (most recent call last): 
    25795 File
    25796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25797 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25798 return self._func(self._name, data) 
    25799 File
    25800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25801 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25802 if v.display: 
    25803 File
    25804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25805 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25806 return self._any_displayed_positions and len(self._positions) > 0 
    25807 TypeError: object of type 'NoneType' has no len() 
    25808  
    25809 During handling of the above exception, another exception occurred: 
    25810  
    25811 Traceback (most recent call last): 
    25812 File
    25813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25814 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25815 if not self.draw_new_frame(): 
    25816 File
    25817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25818 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25819 changed = view.check_for_drawing_change() 
    25820 File
    25821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25822 packages/chimerax/core/graphics/view.py", line 252, in
    25823 check_for_drawing_change 
    25824 trig.activate_trigger('graphics update', self) 
    25825 File
    25826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25827 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25828 trigger.activate(data) 
    25829 File
    25830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25831 packages/chimerax/core/triggerset.py", line 190, in activate 
    25832 ret = handler.invoke(data, self._remove_bad_handlers) 
    25833 File
    25834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25835 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25836 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25837 File
    25838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25839 packages/chimerax/core/session.py", line 943, in <lambda> 
    25840 logger.report_exception(preface=preface)) 
    25841 File
    25842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25843 packages/chimerax/core/logger.py", line 421, in report_exception 
    25844 elif probably_chimera1_session(exc_info): 
    25845 File
    25846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25847 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25848 etype, evalue, etraceback = exc_info 
    25849 TypeError: cannot unpack non-iterable NoneType object 
    25850  
    25851 TypeError: cannot unpack non-iterable NoneType object 
    25852  
    25853 File
    25854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25855 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25856 etype, evalue, etraceback = exc_info 
    25857  
    25858 See log for complete Python traceback. 
    25859  
    25860 Traceback (most recent call last): 
    25861 File
    25862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25863 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25864 return self._func(self._name, data) 
    25865 File
    25866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25867 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25868 if v.display: 
    25869 File
    25870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25871 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25872 return self._any_displayed_positions and len(self._positions) > 0 
    25873 TypeError: object of type 'NoneType' has no len() 
    25874  
    25875 During handling of the above exception, another exception occurred: 
    25876  
    25877 Traceback (most recent call last): 
    25878 File
    25879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25880 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25881 if not self.draw_new_frame(): 
    25882 File
    25883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25884 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25885 changed = view.check_for_drawing_change() 
    25886 File
    25887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25888 packages/chimerax/core/graphics/view.py", line 252, in
    25889 check_for_drawing_change 
    25890 trig.activate_trigger('graphics update', self) 
    25891 File
    25892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25893 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25894 trigger.activate(data) 
    25895 File
    25896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25897 packages/chimerax/core/triggerset.py", line 190, in activate 
    25898 ret = handler.invoke(data, self._remove_bad_handlers) 
    25899 File
    25900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25901 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25902 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25903 File
    25904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25905 packages/chimerax/core/session.py", line 943, in <lambda> 
    25906 logger.report_exception(preface=preface)) 
    25907 File
    25908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25909 packages/chimerax/core/logger.py", line 421, in report_exception 
    25910 elif probably_chimera1_session(exc_info): 
    25911 File
    25912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25913 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25914 etype, evalue, etraceback = exc_info 
    25915 TypeError: cannot unpack non-iterable NoneType object 
    25916  
    25917 TypeError: cannot unpack non-iterable NoneType object 
    25918  
    25919 File
    25920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25921 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25922 etype, evalue, etraceback = exc_info 
    25923  
    25924 See log for complete Python traceback. 
    25925  
    25926 Traceback (most recent call last): 
    25927 File
    25928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25929 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25930 return self._func(self._name, data) 
    25931 File
    25932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25933 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25934 if v.display: 
    25935 File
    25936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25937 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25938 return self._any_displayed_positions and len(self._positions) > 0 
    25939 TypeError: object of type 'NoneType' has no len() 
    25940  
    25941 During handling of the above exception, another exception occurred: 
    25942  
    25943 Traceback (most recent call last): 
    25944 File
    25945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25946 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25947 if not self.draw_new_frame(): 
    25948 File
    25949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25950 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25951 changed = view.check_for_drawing_change() 
    25952 File
    25953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25954 packages/chimerax/core/graphics/view.py", line 252, in
    25955 check_for_drawing_change 
    25956 trig.activate_trigger('graphics update', self) 
    25957 File
    25958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25959 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25960 trigger.activate(data) 
    25961 File
    25962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25963 packages/chimerax/core/triggerset.py", line 190, in activate 
    25964 ret = handler.invoke(data, self._remove_bad_handlers) 
    25965 File
    25966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25967 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25968 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25969 File
    25970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25971 packages/chimerax/core/session.py", line 943, in <lambda> 
    25972 logger.report_exception(preface=preface)) 
    25973 File
    25974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25975 packages/chimerax/core/logger.py", line 421, in report_exception 
    25976 elif probably_chimera1_session(exc_info): 
    25977 File
    25978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25979 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25980 etype, evalue, etraceback = exc_info 
    25981 TypeError: cannot unpack non-iterable NoneType object 
    25982  
    25983 TypeError: cannot unpack non-iterable NoneType object 
    25984  
    25985 File
    25986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25987 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25988 etype, evalue, etraceback = exc_info 
    25989  
    25990 See log for complete Python traceback. 
    25991  
    25992 Traceback (most recent call last): 
    25993 File
    25994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25995 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25996 return self._func(self._name, data) 
    25997 File
    25998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25999 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26000 if v.display: 
    26001 File
    26002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26003 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26004 return self._any_displayed_positions and len(self._positions) > 0 
    26005 TypeError: object of type 'NoneType' has no len() 
    26006  
    26007 During handling of the above exception, another exception occurred: 
    26008  
    26009 Traceback (most recent call last): 
    26010 File
    26011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26012 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26013 if not self.draw_new_frame(): 
    26014 File
    26015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26016 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26017 changed = view.check_for_drawing_change() 
    26018 File
    26019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26020 packages/chimerax/core/graphics/view.py", line 252, in
    26021 check_for_drawing_change 
    26022 trig.activate_trigger('graphics update', self) 
    26023 File
    26024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26025 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26026 trigger.activate(data) 
    26027 File
    26028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26029 packages/chimerax/core/triggerset.py", line 190, in activate 
    26030 ret = handler.invoke(data, self._remove_bad_handlers) 
    26031 File
    26032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26033 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26034 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26035 File
    26036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26037 packages/chimerax/core/session.py", line 943, in <lambda> 
    26038 logger.report_exception(preface=preface)) 
    26039 File
    26040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26041 packages/chimerax/core/logger.py", line 421, in report_exception 
    26042 elif probably_chimera1_session(exc_info): 
    26043 File
    26044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26045 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26046 etype, evalue, etraceback = exc_info 
    26047 TypeError: cannot unpack non-iterable NoneType object 
    26048  
    26049 TypeError: cannot unpack non-iterable NoneType object 
    26050  
    26051 File
    26052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26053 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26054 etype, evalue, etraceback = exc_info 
    26055  
    26056 See log for complete Python traceback. 
    26057  
    26058 Traceback (most recent call last): 
    26059 File
    26060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26061 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26062 return self._func(self._name, data) 
    26063 File
    26064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26065 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26066 if v.display: 
    26067 File
    26068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26069 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26070 return self._any_displayed_positions and len(self._positions) > 0 
    26071 TypeError: object of type 'NoneType' has no len() 
    26072  
    26073 During handling of the above exception, another exception occurred: 
    26074  
    26075 Traceback (most recent call last): 
    26076 File
    26077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26078 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26079 if not self.draw_new_frame(): 
    26080 File
    26081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26082 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26083 changed = view.check_for_drawing_change() 
    26084 File
    26085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26086 packages/chimerax/core/graphics/view.py", line 252, in
    26087 check_for_drawing_change 
    26088 trig.activate_trigger('graphics update', self) 
    26089 File
    26090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26091 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26092 trigger.activate(data) 
    26093 File
    26094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26095 packages/chimerax/core/triggerset.py", line 190, in activate 
    26096 ret = handler.invoke(data, self._remove_bad_handlers) 
    26097 File
    26098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26099 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26100 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26101 File
    26102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26103 packages/chimerax/core/session.py", line 943, in <lambda> 
    26104 logger.report_exception(preface=preface)) 
    26105 File
    26106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26107 packages/chimerax/core/logger.py", line 421, in report_exception 
    26108 elif probably_chimera1_session(exc_info): 
    26109 File
    26110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26111 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26112 etype, evalue, etraceback = exc_info 
    26113 TypeError: cannot unpack non-iterable NoneType object 
    26114  
    26115 TypeError: cannot unpack non-iterable NoneType object 
    26116  
    26117 File
    26118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26119 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26120 etype, evalue, etraceback = exc_info 
    26121  
    26122 See log for complete Python traceback. 
    26123  
    26124 Traceback (most recent call last): 
    26125 File
    26126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26127 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26128 return self._func(self._name, data) 
    26129 File
    26130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26131 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26132 if v.display: 
    26133 File
    26134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26135 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26136 return self._any_displayed_positions and len(self._positions) > 0 
    26137 TypeError: object of type 'NoneType' has no len() 
    26138  
    26139 During handling of the above exception, another exception occurred: 
    26140  
    26141 Traceback (most recent call last): 
    26142 File
    26143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26144 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26145 if not self.draw_new_frame(): 
    26146 File
    26147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26148 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26149 changed = view.check_for_drawing_change() 
    26150 File
    26151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26152 packages/chimerax/core/graphics/view.py", line 252, in
    26153 check_for_drawing_change 
    26154 trig.activate_trigger('graphics update', self) 
    26155 File
    26156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26157 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26158 trigger.activate(data) 
    26159 File
    26160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26161 packages/chimerax/core/triggerset.py", line 190, in activate 
    26162 ret = handler.invoke(data, self._remove_bad_handlers) 
    26163 File
    26164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26165 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26166 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26167 File
    26168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26169 packages/chimerax/core/session.py", line 943, in <lambda> 
    26170 logger.report_exception(preface=preface)) 
    26171 File
    26172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26173 packages/chimerax/core/logger.py", line 421, in report_exception 
    26174 elif probably_chimera1_session(exc_info): 
    26175 File
    26176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26177 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26178 etype, evalue, etraceback = exc_info 
    26179 TypeError: cannot unpack non-iterable NoneType object 
    26180  
    26181 TypeError: cannot unpack non-iterable NoneType object 
    26182  
    26183 File
    26184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26185 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26186 etype, evalue, etraceback = exc_info 
    26187  
    26188 See log for complete Python traceback. 
    26189  
    26190 Traceback (most recent call last): 
    26191 File
    26192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26193 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26194 return self._func(self._name, data) 
    26195 File
    26196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26197 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26198 if v.display: 
    26199 File
    26200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26201 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26202 return self._any_displayed_positions and len(self._positions) > 0 
    26203 TypeError: object of type 'NoneType' has no len() 
    26204  
    26205 During handling of the above exception, another exception occurred: 
    26206  
    26207 Traceback (most recent call last): 
    26208 File
    26209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26210 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26211 if not self.draw_new_frame(): 
    26212 File
    26213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26214 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26215 changed = view.check_for_drawing_change() 
    26216 File
    26217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26218 packages/chimerax/core/graphics/view.py", line 252, in
    26219 check_for_drawing_change 
    26220 trig.activate_trigger('graphics update', self) 
    26221 File
    26222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26223 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26224 trigger.activate(data) 
    26225 File
    26226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26227 packages/chimerax/core/triggerset.py", line 190, in activate 
    26228 ret = handler.invoke(data, self._remove_bad_handlers) 
    26229 File
    26230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26231 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26232 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26233 File
    26234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26235 packages/chimerax/core/session.py", line 943, in <lambda> 
    26236 logger.report_exception(preface=preface)) 
    26237 File
    26238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26239 packages/chimerax/core/logger.py", line 421, in report_exception 
    26240 elif probably_chimera1_session(exc_info): 
    26241 File
    26242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26243 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26244 etype, evalue, etraceback = exc_info 
    26245 TypeError: cannot unpack non-iterable NoneType object 
    26246  
    26247 TypeError: cannot unpack non-iterable NoneType object 
    26248  
    26249 File
    26250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26251 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26252 etype, evalue, etraceback = exc_info 
    26253  
    26254 See log for complete Python traceback. 
    26255  
    26256 Traceback (most recent call last): 
    26257 File
    26258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26259 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26260 return self._func(self._name, data) 
    26261 File
    26262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26263 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26264 if v.display: 
    26265 File
    26266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26267 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26268 return self._any_displayed_positions and len(self._positions) > 0 
    26269 TypeError: object of type 'NoneType' has no len() 
    26270  
    26271 During handling of the above exception, another exception occurred: 
    26272  
    26273 Traceback (most recent call last): 
    26274 File
    26275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26276 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26277 if not self.draw_new_frame(): 
    26278 File
    26279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26280 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26281 changed = view.check_for_drawing_change() 
    26282 File
    26283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26284 packages/chimerax/core/graphics/view.py", line 252, in
    26285 check_for_drawing_change 
    26286 trig.activate_trigger('graphics update', self) 
    26287 File
    26288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26289 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26290 trigger.activate(data) 
    26291 File
    26292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26293 packages/chimerax/core/triggerset.py", line 190, in activate 
    26294 ret = handler.invoke(data, self._remove_bad_handlers) 
    26295 File
    26296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26297 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26298 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26299 File
    26300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26301 packages/chimerax/core/session.py", line 943, in <lambda> 
    26302 logger.report_exception(preface=preface)) 
    26303 File
    26304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26305 packages/chimerax/core/logger.py", line 421, in report_exception 
    26306 elif probably_chimera1_session(exc_info): 
    26307 File
    26308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26309 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26310 etype, evalue, etraceback = exc_info 
    26311 TypeError: cannot unpack non-iterable NoneType object 
    26312  
    26313 TypeError: cannot unpack non-iterable NoneType object 
    26314  
    26315 File
    26316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26317 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26318 etype, evalue, etraceback = exc_info 
    26319  
    26320 See log for complete Python traceback. 
    26321  
    26322 Traceback (most recent call last): 
    26323 File
    26324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26325 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26326 return self._func(self._name, data) 
    26327 File
    26328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26329 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26330 if v.display: 
    26331 File
    26332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26333 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26334 return self._any_displayed_positions and len(self._positions) > 0 
    26335 TypeError: object of type 'NoneType' has no len() 
    26336  
    26337 During handling of the above exception, another exception occurred: 
    26338  
    26339 Traceback (most recent call last): 
    26340 File
    26341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26342 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26343 if not self.draw_new_frame(): 
    26344 File
    26345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26346 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26347 changed = view.check_for_drawing_change() 
    26348 File
    26349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26350 packages/chimerax/core/graphics/view.py", line 252, in
    26351 check_for_drawing_change 
    26352 trig.activate_trigger('graphics update', self) 
    26353 File
    26354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26355 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26356 trigger.activate(data) 
    26357 File
    26358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26359 packages/chimerax/core/triggerset.py", line 190, in activate 
    26360 ret = handler.invoke(data, self._remove_bad_handlers) 
    26361 File
    26362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26363 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26364 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26365 File
    26366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26367 packages/chimerax/core/session.py", line 943, in <lambda> 
    26368 logger.report_exception(preface=preface)) 
    26369 File
    26370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26371 packages/chimerax/core/logger.py", line 421, in report_exception 
    26372 elif probably_chimera1_session(exc_info): 
    26373 File
    26374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26375 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26376 etype, evalue, etraceback = exc_info 
    26377 TypeError: cannot unpack non-iterable NoneType object 
    26378  
    26379 TypeError: cannot unpack non-iterable NoneType object 
    26380  
    26381 File
    26382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26383 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26384 etype, evalue, etraceback = exc_info 
    26385  
    26386 See log for complete Python traceback. 
    26387  
    26388 Traceback (most recent call last): 
    26389 File
    26390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26391 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26392 return self._func(self._name, data) 
    26393 File
    26394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26395 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26396 if v.display: 
    26397 File
    26398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26399 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26400 return self._any_displayed_positions and len(self._positions) > 0 
    26401 TypeError: object of type 'NoneType' has no len() 
    26402  
    26403 During handling of the above exception, another exception occurred: 
    26404  
    26405 Traceback (most recent call last): 
    26406 File
    26407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26408 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26409 if not self.draw_new_frame(): 
    26410 File
    26411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26412 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26413 changed = view.check_for_drawing_change() 
    26414 File
    26415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26416 packages/chimerax/core/graphics/view.py", line 252, in
    26417 check_for_drawing_change 
    26418 trig.activate_trigger('graphics update', self) 
    26419 File
    26420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26421 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26422 trigger.activate(data) 
    26423 File
    26424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26425 packages/chimerax/core/triggerset.py", line 190, in activate 
    26426 ret = handler.invoke(data, self._remove_bad_handlers) 
    26427 File
    26428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26429 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26430 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26431 File
    26432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26433 packages/chimerax/core/session.py", line 943, in <lambda> 
    26434 logger.report_exception(preface=preface)) 
    26435 File
    26436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26437 packages/chimerax/core/logger.py", line 421, in report_exception 
    26438 elif probably_chimera1_session(exc_info): 
    26439 File
    26440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26441 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26442 etype, evalue, etraceback = exc_info 
    26443 TypeError: cannot unpack non-iterable NoneType object 
    26444  
    26445 TypeError: cannot unpack non-iterable NoneType object 
    26446  
    26447 File
    26448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26449 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26450 etype, evalue, etraceback = exc_info 
    26451  
    26452 See log for complete Python traceback. 
    26453  
    26454 Traceback (most recent call last): 
    26455 File
    26456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26457 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26458 return self._func(self._name, data) 
    26459 File
    26460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26461 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26462 if v.display: 
    26463 File
    26464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26465 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26466 return self._any_displayed_positions and len(self._positions) > 0 
    26467 TypeError: object of type 'NoneType' has no len() 
    26468  
    26469 During handling of the above exception, another exception occurred: 
    26470  
    26471 Traceback (most recent call last): 
    26472 File
    26473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26474 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26475 if not self.draw_new_frame(): 
    26476 File
    26477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26478 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26479 changed = view.check_for_drawing_change() 
    26480 File
    26481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26482 packages/chimerax/core/graphics/view.py", line 252, in
    26483 check_for_drawing_change 
    26484 trig.activate_trigger('graphics update', self) 
    26485 File
    26486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26487 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26488 trigger.activate(data) 
    26489 File
    26490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26491 packages/chimerax/core/triggerset.py", line 190, in activate 
    26492 ret = handler.invoke(data, self._remove_bad_handlers) 
    26493 File
    26494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26495 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26496 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26497 File
    26498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26499 packages/chimerax/core/session.py", line 943, in <lambda> 
    26500 logger.report_exception(preface=preface)) 
    26501 File
    26502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26503 packages/chimerax/core/logger.py", line 421, in report_exception 
    26504 elif probably_chimera1_session(exc_info): 
    26505 File
    26506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26507 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26508 etype, evalue, etraceback = exc_info 
    26509 TypeError: cannot unpack non-iterable NoneType object 
    26510  
    26511 TypeError: cannot unpack non-iterable NoneType object 
    26512  
    26513 File
    26514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26515 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26516 etype, evalue, etraceback = exc_info 
    26517  
    26518 See log for complete Python traceback. 
    26519  
    26520 Traceback (most recent call last): 
    26521 File
    26522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26523 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26524 return self._func(self._name, data) 
    26525 File
    26526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26527 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26528 if v.display: 
    26529 File
    26530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26531 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26532 return self._any_displayed_positions and len(self._positions) > 0 
    26533 TypeError: object of type 'NoneType' has no len() 
    26534  
    26535 During handling of the above exception, another exception occurred: 
    26536  
    26537 Traceback (most recent call last): 
    26538 File
    26539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26540 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26541 if not self.draw_new_frame(): 
    26542 File
    26543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26544 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26545 changed = view.check_for_drawing_change() 
    26546 File
    26547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26548 packages/chimerax/core/graphics/view.py", line 252, in
    26549 check_for_drawing_change 
    26550 trig.activate_trigger('graphics update', self) 
    26551 File
    26552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26553 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26554 trigger.activate(data) 
    26555 File
    26556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26557 packages/chimerax/core/triggerset.py", line 190, in activate 
    26558 ret = handler.invoke(data, self._remove_bad_handlers) 
    26559 File
    26560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26561 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26562 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26563 File
    26564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26565 packages/chimerax/core/session.py", line 943, in <lambda> 
    26566 logger.report_exception(preface=preface)) 
    26567 File
    26568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26569 packages/chimerax/core/logger.py", line 421, in report_exception 
    26570 elif probably_chimera1_session(exc_info): 
    26571 File
    26572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26573 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26574 etype, evalue, etraceback = exc_info 
    26575 TypeError: cannot unpack non-iterable NoneType object 
    26576  
    26577 TypeError: cannot unpack non-iterable NoneType object 
    26578  
    26579 File
    26580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26581 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26582 etype, evalue, etraceback = exc_info 
    26583  
    26584 See log for complete Python traceback. 
    26585  
    26586 Traceback (most recent call last): 
    26587 File
    26588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26589 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26590 return self._func(self._name, data) 
    26591 File
    26592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26593 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26594 if v.display: 
    26595 File
    26596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26597 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26598 return self._any_displayed_positions and len(self._positions) > 0 
    26599 TypeError: object of type 'NoneType' has no len() 
    26600  
    26601 During handling of the above exception, another exception occurred: 
    26602  
    26603 Traceback (most recent call last): 
    26604 File
    26605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26606 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26607 if not self.draw_new_frame(): 
    26608 File
    26609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26610 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26611 changed = view.check_for_drawing_change() 
    26612 File
    26613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26614 packages/chimerax/core/graphics/view.py", line 252, in
    26615 check_for_drawing_change 
    26616 trig.activate_trigger('graphics update', self) 
    26617 File
    26618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26619 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26620 trigger.activate(data) 
    26621 File
    26622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26623 packages/chimerax/core/triggerset.py", line 190, in activate 
    26624 ret = handler.invoke(data, self._remove_bad_handlers) 
    26625 File
    26626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26627 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26628 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26629 File
    26630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26631 packages/chimerax/core/session.py", line 943, in <lambda> 
    26632 logger.report_exception(preface=preface)) 
    26633 File
    26634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26635 packages/chimerax/core/logger.py", line 421, in report_exception 
    26636 elif probably_chimera1_session(exc_info): 
    26637 File
    26638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26639 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26640 etype, evalue, etraceback = exc_info 
    26641 TypeError: cannot unpack non-iterable NoneType object 
    26642  
    26643 TypeError: cannot unpack non-iterable NoneType object 
    26644  
    26645 File
    26646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26647 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26648 etype, evalue, etraceback = exc_info 
    26649  
    26650 See log for complete Python traceback. 
    26651  
    26652 Traceback (most recent call last): 
    26653 File
    26654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26655 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26656 return self._func(self._name, data) 
    26657 File
    26658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26659 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26660 if v.display: 
    26661 File
    26662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26663 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26664 return self._any_displayed_positions and len(self._positions) > 0 
    26665 TypeError: object of type 'NoneType' has no len() 
    26666  
    26667 During handling of the above exception, another exception occurred: 
    26668  
    26669 Traceback (most recent call last): 
    26670 File
    26671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26672 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26673 if not self.draw_new_frame(): 
    26674 File
    26675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26676 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26677 changed = view.check_for_drawing_change() 
    26678 File
    26679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26680 packages/chimerax/core/graphics/view.py", line 252, in
    26681 check_for_drawing_change 
    26682 trig.activate_trigger('graphics update', self) 
    26683 File
    26684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26685 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26686 trigger.activate(data) 
    26687 File
    26688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26689 packages/chimerax/core/triggerset.py", line 190, in activate 
    26690 ret = handler.invoke(data, self._remove_bad_handlers) 
    26691 File
    26692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26693 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26694 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26695 File
    26696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26697 packages/chimerax/core/session.py", line 943, in <lambda> 
    26698 logger.report_exception(preface=preface)) 
    26699 File
    26700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26701 packages/chimerax/core/logger.py", line 421, in report_exception 
    26702 elif probably_chimera1_session(exc_info): 
    26703 File
    26704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26705 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26706 etype, evalue, etraceback = exc_info 
    26707 TypeError: cannot unpack non-iterable NoneType object 
    26708  
    26709 TypeError: cannot unpack non-iterable NoneType object 
    26710  
    26711 File
    26712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26713 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26714 etype, evalue, etraceback = exc_info 
    26715  
    26716 See log for complete Python traceback. 
    26717  
    26718 Traceback (most recent call last): 
    26719 File
    26720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26721 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26722 return self._func(self._name, data) 
    26723 File
    26724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26725 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26726 if v.display: 
    26727 File
    26728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26729 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26730 return self._any_displayed_positions and len(self._positions) > 0 
    26731 TypeError: object of type 'NoneType' has no len() 
    26732  
    26733 During handling of the above exception, another exception occurred: 
    26734  
    26735 Traceback (most recent call last): 
    26736 File
    26737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26738 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26739 if not self.draw_new_frame(): 
    26740 File
    26741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26742 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26743 changed = view.check_for_drawing_change() 
    26744 File
    26745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26746 packages/chimerax/core/graphics/view.py", line 252, in
    26747 check_for_drawing_change 
    26748 trig.activate_trigger('graphics update', self) 
    26749 File
    26750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26751 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26752 trigger.activate(data) 
    26753 File
    26754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26755 packages/chimerax/core/triggerset.py", line 190, in activate 
    26756 ret = handler.invoke(data, self._remove_bad_handlers) 
    26757 File
    26758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26759 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26760 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26761 File
    26762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26763 packages/chimerax/core/session.py", line 943, in <lambda> 
    26764 logger.report_exception(preface=preface)) 
    26765 File
    26766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26767 packages/chimerax/core/logger.py", line 421, in report_exception 
    26768 elif probably_chimera1_session(exc_info): 
    26769 File
    26770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26771 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26772 etype, evalue, etraceback = exc_info 
    26773 TypeError: cannot unpack non-iterable NoneType object 
    26774  
    26775 TypeError: cannot unpack non-iterable NoneType object 
    26776  
    26777 File
    26778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26779 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26780 etype, evalue, etraceback = exc_info 
    26781  
    26782 See log for complete Python traceback. 
    26783  
    26784 Traceback (most recent call last): 
    26785 File
    26786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26787 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26788 return self._func(self._name, data) 
    26789 File
    26790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26791 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26792 if v.display: 
    26793 File
    26794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26795 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26796 return self._any_displayed_positions and len(self._positions) > 0 
    26797 TypeError: object of type 'NoneType' has no len() 
    26798  
    26799 During handling of the above exception, another exception occurred: 
    26800  
    26801 Traceback (most recent call last): 
    26802 File
    26803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26804 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26805 if not self.draw_new_frame(): 
    26806 File
    26807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26808 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26809 changed = view.check_for_drawing_change() 
    26810 File
    26811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26812 packages/chimerax/core/graphics/view.py", line 252, in
    26813 check_for_drawing_change 
    26814 trig.activate_trigger('graphics update', self) 
    26815 File
    26816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26817 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26818 trigger.activate(data) 
    26819 File
    26820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26821 packages/chimerax/core/triggerset.py", line 190, in activate 
    26822 ret = handler.invoke(data, self._remove_bad_handlers) 
    26823 File
    26824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26825 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26826 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26827 File
    26828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26829 packages/chimerax/core/session.py", line 943, in <lambda> 
    26830 logger.report_exception(preface=preface)) 
    26831 File
    26832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26833 packages/chimerax/core/logger.py", line 421, in report_exception 
    26834 elif probably_chimera1_session(exc_info): 
    26835 File
    26836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26837 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26838 etype, evalue, etraceback = exc_info 
    26839 TypeError: cannot unpack non-iterable NoneType object 
    26840  
    26841 TypeError: cannot unpack non-iterable NoneType object 
    26842  
    26843 File
    26844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26845 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26846 etype, evalue, etraceback = exc_info 
    26847  
    26848 See log for complete Python traceback. 
    26849  
    26850 Traceback (most recent call last): 
    26851 File
    26852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26853 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26854 return self._func(self._name, data) 
    26855 File
    26856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26857 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26858 if v.display: 
    26859 File
    26860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26861 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26862 return self._any_displayed_positions and len(self._positions) > 0 
    26863 TypeError: object of type 'NoneType' has no len() 
    26864  
    26865 During handling of the above exception, another exception occurred: 
    26866  
    26867 Traceback (most recent call last): 
    26868 File
    26869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26870 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26871 if not self.draw_new_frame(): 
    26872 File
    26873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26874 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26875 changed = view.check_for_drawing_change() 
    26876 File
    26877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26878 packages/chimerax/core/graphics/view.py", line 252, in
    26879 check_for_drawing_change 
    26880 trig.activate_trigger('graphics update', self) 
    26881 File
    26882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26883 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26884 trigger.activate(data) 
    26885 File
    26886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26887 packages/chimerax/core/triggerset.py", line 190, in activate 
    26888 ret = handler.invoke(data, self._remove_bad_handlers) 
    26889 File
    26890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26891 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26892 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26893 File
    26894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26895 packages/chimerax/core/session.py", line 943, in <lambda> 
    26896 logger.report_exception(preface=preface)) 
    26897 File
    26898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26899 packages/chimerax/core/logger.py", line 421, in report_exception 
    26900 elif probably_chimera1_session(exc_info): 
    26901 File
    26902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26903 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26904 etype, evalue, etraceback = exc_info 
    26905 TypeError: cannot unpack non-iterable NoneType object 
    26906  
    26907 TypeError: cannot unpack non-iterable NoneType object 
    26908  
    26909 File
    26910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26911 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26912 etype, evalue, etraceback = exc_info 
    26913  
    26914 See log for complete Python traceback. 
    26915  
    26916 Traceback (most recent call last): 
    26917 File
    26918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26919 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26920 return self._func(self._name, data) 
    26921 File
    26922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26923 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26924 if v.display: 
    26925 File
    26926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26927 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26928 return self._any_displayed_positions and len(self._positions) > 0 
    26929 TypeError: object of type 'NoneType' has no len() 
    26930  
    26931 During handling of the above exception, another exception occurred: 
    26932  
    26933 Traceback (most recent call last): 
    26934 File
    26935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26936 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26937 if not self.draw_new_frame(): 
    26938 File
    26939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26940 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26941 changed = view.check_for_drawing_change() 
    26942 File
    26943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26944 packages/chimerax/core/graphics/view.py", line 252, in
    26945 check_for_drawing_change 
    26946 trig.activate_trigger('graphics update', self) 
    26947 File
    26948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26949 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26950 trigger.activate(data) 
    26951 File
    26952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26953 packages/chimerax/core/triggerset.py", line 190, in activate 
    26954 ret = handler.invoke(data, self._remove_bad_handlers) 
    26955 File
    26956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26957 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26958 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26959 File
    26960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26961 packages/chimerax/core/session.py", line 943, in <lambda> 
    26962 logger.report_exception(preface=preface)) 
    26963 File
    26964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26965 packages/chimerax/core/logger.py", line 421, in report_exception 
    26966 elif probably_chimera1_session(exc_info): 
    26967 File
    26968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26969 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26970 etype, evalue, etraceback = exc_info 
    26971 TypeError: cannot unpack non-iterable NoneType object 
    26972  
    26973 TypeError: cannot unpack non-iterable NoneType object 
    26974  
    26975 File
    26976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26977 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26978 etype, evalue, etraceback = exc_info 
    26979  
    26980 See log for complete Python traceback. 
    26981  
    26982 Traceback (most recent call last): 
    26983 File
    26984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26985 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26986 return self._func(self._name, data) 
    26987 File
    26988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26989 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26990 if v.display: 
    26991 File
    26992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26993 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26994 return self._any_displayed_positions and len(self._positions) > 0 
    26995 TypeError: object of type 'NoneType' has no len() 
    26996  
    26997 During handling of the above exception, another exception occurred: 
    26998  
    26999 Traceback (most recent call last): 
    27000 File
    27001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27002 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27003 if not self.draw_new_frame(): 
    27004 File
    27005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27006 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27007 changed = view.check_for_drawing_change() 
    27008 File
    27009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27010 packages/chimerax/core/graphics/view.py", line 252, in
    27011 check_for_drawing_change 
    27012 trig.activate_trigger('graphics update', self) 
    27013 File
    27014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27015 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27016 trigger.activate(data) 
    27017 File
    27018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27019 packages/chimerax/core/triggerset.py", line 190, in activate 
    27020 ret = handler.invoke(data, self._remove_bad_handlers) 
    27021 File
    27022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27023 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27024 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27025 File
    27026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27027 packages/chimerax/core/session.py", line 943, in <lambda> 
    27028 logger.report_exception(preface=preface)) 
    27029 File
    27030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27031 packages/chimerax/core/logger.py", line 421, in report_exception 
    27032 elif probably_chimera1_session(exc_info): 
    27033 File
    27034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27035 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27036 etype, evalue, etraceback = exc_info 
    27037 TypeError: cannot unpack non-iterable NoneType object 
    27038  
    27039 TypeError: cannot unpack non-iterable NoneType object 
    27040  
    27041 File
    27042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27043 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27044 etype, evalue, etraceback = exc_info 
    27045  
    27046 See log for complete Python traceback. 
    27047  
    27048 Traceback (most recent call last): 
    27049 File
    27050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27051 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27052 return self._func(self._name, data) 
    27053 File
    27054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27055 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27056 if v.display: 
    27057 File
    27058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27059 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27060 return self._any_displayed_positions and len(self._positions) > 0 
    27061 TypeError: object of type 'NoneType' has no len() 
    27062  
    27063 During handling of the above exception, another exception occurred: 
    27064  
    27065 Traceback (most recent call last): 
    27066 File
    27067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27068 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27069 if not self.draw_new_frame(): 
    27070 File
    27071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27072 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27073 changed = view.check_for_drawing_change() 
    27074 File
    27075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27076 packages/chimerax/core/graphics/view.py", line 252, in
    27077 check_for_drawing_change 
    27078 trig.activate_trigger('graphics update', self) 
    27079 File
    27080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27081 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27082 trigger.activate(data) 
    27083 File
    27084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27085 packages/chimerax/core/triggerset.py", line 190, in activate 
    27086 ret = handler.invoke(data, self._remove_bad_handlers) 
    27087 File
    27088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27089 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27090 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27091 File
    27092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27093 packages/chimerax/core/session.py", line 943, in <lambda> 
    27094 logger.report_exception(preface=preface)) 
    27095 File
    27096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27097 packages/chimerax/core/logger.py", line 421, in report_exception 
    27098 elif probably_chimera1_session(exc_info): 
    27099 File
    27100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27101 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27102 etype, evalue, etraceback = exc_info 
    27103 TypeError: cannot unpack non-iterable NoneType object 
    27104  
    27105 TypeError: cannot unpack non-iterable NoneType object 
    27106  
    27107 File
    27108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27109 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27110 etype, evalue, etraceback = exc_info 
    27111  
    27112 See log for complete Python traceback. 
    27113  
    27114 Traceback (most recent call last): 
    27115 File
    27116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27117 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27118 return self._func(self._name, data) 
    27119 File
    27120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27121 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27122 if v.display: 
    27123 File
    27124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27125 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27126 return self._any_displayed_positions and len(self._positions) > 0 
    27127 TypeError: object of type 'NoneType' has no len() 
    27128  
    27129 During handling of the above exception, another exception occurred: 
    27130  
    27131 Traceback (most recent call last): 
    27132 File
    27133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27134 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27135 if not self.draw_new_frame(): 
    27136 File
    27137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27138 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27139 changed = view.check_for_drawing_change() 
    27140 File
    27141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27142 packages/chimerax/core/graphics/view.py", line 252, in
    27143 check_for_drawing_change 
    27144 trig.activate_trigger('graphics update', self) 
    27145 File
    27146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27147 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27148 trigger.activate(data) 
    27149 File
    27150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27151 packages/chimerax/core/triggerset.py", line 190, in activate 
    27152 ret = handler.invoke(data, self._remove_bad_handlers) 
    27153 File
    27154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27155 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27156 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27157 File
    27158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27159 packages/chimerax/core/session.py", line 943, in <lambda> 
    27160 logger.report_exception(preface=preface)) 
    27161 File
    27162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27163 packages/chimerax/core/logger.py", line 421, in report_exception 
    27164 elif probably_chimera1_session(exc_info): 
    27165 File
    27166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27167 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27168 etype, evalue, etraceback = exc_info 
    27169 TypeError: cannot unpack non-iterable NoneType object 
    27170  
    27171 TypeError: cannot unpack non-iterable NoneType object 
    27172  
    27173 File
    27174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27175 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27176 etype, evalue, etraceback = exc_info 
    27177  
    27178 See log for complete Python traceback. 
    27179  
    27180 Traceback (most recent call last): 
    27181 File
    27182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27183 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27184 return self._func(self._name, data) 
    27185 File
    27186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27187 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27188 if v.display: 
    27189 File
    27190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27191 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27192 return self._any_displayed_positions and len(self._positions) > 0 
    27193 TypeError: object of type 'NoneType' has no len() 
    27194  
    27195 During handling of the above exception, another exception occurred: 
    27196  
    27197 Traceback (most recent call last): 
    27198 File
    27199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27200 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27201 if not self.draw_new_frame(): 
    27202 File
    27203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27204 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27205 changed = view.check_for_drawing_change() 
    27206 File
    27207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27208 packages/chimerax/core/graphics/view.py", line 252, in
    27209 check_for_drawing_change 
    27210 trig.activate_trigger('graphics update', self) 
    27211 File
    27212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27213 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27214 trigger.activate(data) 
    27215 File
    27216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27217 packages/chimerax/core/triggerset.py", line 190, in activate 
    27218 ret = handler.invoke(data, self._remove_bad_handlers) 
    27219 File
    27220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27221 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27222 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27223 File
    27224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27225 packages/chimerax/core/session.py", line 943, in <lambda> 
    27226 logger.report_exception(preface=preface)) 
    27227 File
    27228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27229 packages/chimerax/core/logger.py", line 421, in report_exception 
    27230 elif probably_chimera1_session(exc_info): 
    27231 File
    27232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27233 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27234 etype, evalue, etraceback = exc_info 
    27235 TypeError: cannot unpack non-iterable NoneType object 
    27236  
    27237 TypeError: cannot unpack non-iterable NoneType object 
    27238  
    27239 File
    27240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27241 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27242 etype, evalue, etraceback = exc_info 
    27243  
    27244 See log for complete Python traceback. 
    27245  
    27246 Traceback (most recent call last): 
    27247 File
    27248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27249 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27250 return self._func(self._name, data) 
    27251 File
    27252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27253 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27254 if v.display: 
    27255 File
    27256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27257 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27258 return self._any_displayed_positions and len(self._positions) > 0 
    27259 TypeError: object of type 'NoneType' has no len() 
    27260  
    27261 During handling of the above exception, another exception occurred: 
    27262  
    27263 Traceback (most recent call last): 
    27264 File
    27265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27266 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27267 if not self.draw_new_frame(): 
    27268 File
    27269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27270 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27271 changed = view.check_for_drawing_change() 
    27272 File
    27273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27274 packages/chimerax/core/graphics/view.py", line 252, in
    27275 check_for_drawing_change 
    27276 trig.activate_trigger('graphics update', self) 
    27277 File
    27278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27279 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27280 trigger.activate(data) 
    27281 File
    27282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27283 packages/chimerax/core/triggerset.py", line 190, in activate 
    27284 ret = handler.invoke(data, self._remove_bad_handlers) 
    27285 File
    27286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27287 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27288 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27289 File
    27290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27291 packages/chimerax/core/session.py", line 943, in <lambda> 
    27292 logger.report_exception(preface=preface)) 
    27293 File
    27294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27295 packages/chimerax/core/logger.py", line 421, in report_exception 
    27296 elif probably_chimera1_session(exc_info): 
    27297 File
    27298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27299 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27300 etype, evalue, etraceback = exc_info 
    27301 TypeError: cannot unpack non-iterable NoneType object 
    27302  
    27303 TypeError: cannot unpack non-iterable NoneType object 
    27304  
    27305 File
    27306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27307 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27308 etype, evalue, etraceback = exc_info 
    27309  
    27310 See log for complete Python traceback. 
    27311  
    27312 Traceback (most recent call last): 
    27313 File
    27314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27315 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27316 return self._func(self._name, data) 
    27317 File
    27318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27319 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27320 if v.display: 
    27321 File
    27322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27323 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27324 return self._any_displayed_positions and len(self._positions) > 0 
    27325 TypeError: object of type 'NoneType' has no len() 
    27326  
    27327 During handling of the above exception, another exception occurred: 
    27328  
    27329 Traceback (most recent call last): 
    27330 File
    27331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27332 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27333 if not self.draw_new_frame(): 
    27334 File
    27335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27336 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27337 changed = view.check_for_drawing_change() 
    27338 File
    27339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27340 packages/chimerax/core/graphics/view.py", line 252, in
    27341 check_for_drawing_change 
    27342 trig.activate_trigger('graphics update', self) 
    27343 File
    27344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27345 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27346 trigger.activate(data) 
    27347 File
    27348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27349 packages/chimerax/core/triggerset.py", line 190, in activate 
    27350 ret = handler.invoke(data, self._remove_bad_handlers) 
    27351 File
    27352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27353 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27354 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27355 File
    27356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27357 packages/chimerax/core/session.py", line 943, in <lambda> 
    27358 logger.report_exception(preface=preface)) 
    27359 File
    27360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27361 packages/chimerax/core/logger.py", line 421, in report_exception 
    27362 elif probably_chimera1_session(exc_info): 
    27363 File
    27364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27365 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27366 etype, evalue, etraceback = exc_info 
    27367 TypeError: cannot unpack non-iterable NoneType object 
    27368  
    27369 TypeError: cannot unpack non-iterable NoneType object 
    27370  
    27371 File
    27372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27373 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27374 etype, evalue, etraceback = exc_info 
    27375  
    27376 See log for complete Python traceback. 
    27377  
    27378 Traceback (most recent call last): 
    27379 File
    27380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27381 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27382 return self._func(self._name, data) 
    27383 File
    27384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27385 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27386 if v.display: 
    27387 File
    27388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27389 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27390 return self._any_displayed_positions and len(self._positions) > 0 
    27391 TypeError: object of type 'NoneType' has no len() 
    27392  
    27393 During handling of the above exception, another exception occurred: 
    27394  
    27395 Traceback (most recent call last): 
    27396 File
    27397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27398 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27399 if not self.draw_new_frame(): 
    27400 File
    27401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27402 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27403 changed = view.check_for_drawing_change() 
    27404 File
    27405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27406 packages/chimerax/core/graphics/view.py", line 252, in
    27407 check_for_drawing_change 
    27408 trig.activate_trigger('graphics update', self) 
    27409 File
    27410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27411 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27412 trigger.activate(data) 
    27413 File
    27414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27415 packages/chimerax/core/triggerset.py", line 190, in activate 
    27416 ret = handler.invoke(data, self._remove_bad_handlers) 
    27417 File
    27418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27419 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27420 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27421 File
    27422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27423 packages/chimerax/core/session.py", line 943, in <lambda> 
    27424 logger.report_exception(preface=preface)) 
    27425 File
    27426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27427 packages/chimerax/core/logger.py", line 421, in report_exception 
    27428 elif probably_chimera1_session(exc_info): 
    27429 File
    27430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27431 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27432 etype, evalue, etraceback = exc_info 
    27433 TypeError: cannot unpack non-iterable NoneType object 
    27434  
    27435 TypeError: cannot unpack non-iterable NoneType object 
    27436  
    27437 File
    27438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27439 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27440 etype, evalue, etraceback = exc_info 
    27441  
    27442 See log for complete Python traceback. 
    27443  
    27444 Traceback (most recent call last): 
    27445 File
    27446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27447 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27448 return self._func(self._name, data) 
    27449 File
    27450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27451 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27452 if v.display: 
    27453 File
    27454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27455 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27456 return self._any_displayed_positions and len(self._positions) > 0 
    27457 TypeError: object of type 'NoneType' has no len() 
    27458  
    27459 During handling of the above exception, another exception occurred: 
    27460  
    27461 Traceback (most recent call last): 
    27462 File
    27463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27464 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27465 if not self.draw_new_frame(): 
    27466 File
    27467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27468 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27469 changed = view.check_for_drawing_change() 
    27470 File
    27471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27472 packages/chimerax/core/graphics/view.py", line 252, in
    27473 check_for_drawing_change 
    27474 trig.activate_trigger('graphics update', self) 
    27475 File
    27476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27477 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27478 trigger.activate(data) 
    27479 File
    27480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27481 packages/chimerax/core/triggerset.py", line 190, in activate 
    27482 ret = handler.invoke(data, self._remove_bad_handlers) 
    27483 File
    27484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27485 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27486 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27487 File
    27488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27489 packages/chimerax/core/session.py", line 943, in <lambda> 
    27490 logger.report_exception(preface=preface)) 
    27491 File
    27492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27493 packages/chimerax/core/logger.py", line 421, in report_exception 
    27494 elif probably_chimera1_session(exc_info): 
    27495 File
    27496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27497 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27498 etype, evalue, etraceback = exc_info 
    27499 TypeError: cannot unpack non-iterable NoneType object 
    27500  
    27501 TypeError: cannot unpack non-iterable NoneType object 
    27502  
    27503 File
    27504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27505 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27506 etype, evalue, etraceback = exc_info 
    27507  
    27508 See log for complete Python traceback. 
    27509  
    27510 Traceback (most recent call last): 
    27511 File
    27512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27513 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27514 return self._func(self._name, data) 
    27515 File
    27516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27517 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27518 if v.display: 
    27519 File
    27520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27521 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27522 return self._any_displayed_positions and len(self._positions) > 0 
    27523 TypeError: object of type 'NoneType' has no len() 
    27524  
    27525 During handling of the above exception, another exception occurred: 
    27526  
    27527 Traceback (most recent call last): 
    27528 File
    27529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27530 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27531 if not self.draw_new_frame(): 
    27532 File
    27533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27534 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27535 changed = view.check_for_drawing_change() 
    27536 File
    27537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27538 packages/chimerax/core/graphics/view.py", line 252, in
    27539 check_for_drawing_change 
    27540 trig.activate_trigger('graphics update', self) 
    27541 File
    27542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27543 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27544 trigger.activate(data) 
    27545 File
    27546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27547 packages/chimerax/core/triggerset.py", line 190, in activate 
    27548 ret = handler.invoke(data, self._remove_bad_handlers) 
    27549 File
    27550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27551 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27552 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27553 File
    27554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27555 packages/chimerax/core/session.py", line 943, in <lambda> 
    27556 logger.report_exception(preface=preface)) 
    27557 File
    27558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27559 packages/chimerax/core/logger.py", line 421, in report_exception 
    27560 elif probably_chimera1_session(exc_info): 
    27561 File
    27562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27563 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27564 etype, evalue, etraceback = exc_info 
    27565 TypeError: cannot unpack non-iterable NoneType object 
    27566  
    27567 TypeError: cannot unpack non-iterable NoneType object 
    27568  
    27569 File
    27570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27571 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27572 etype, evalue, etraceback = exc_info 
    27573  
    27574 See log for complete Python traceback. 
    27575  
    27576 Traceback (most recent call last): 
    27577 File
    27578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27579 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27580 return self._func(self._name, data) 
    27581 File
    27582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27583 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27584 if v.display: 
    27585 File
    27586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27587 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27588 return self._any_displayed_positions and len(self._positions) > 0 
    27589 TypeError: object of type 'NoneType' has no len() 
    27590  
    27591 During handling of the above exception, another exception occurred: 
    27592  
    27593 Traceback (most recent call last): 
    27594 File
    27595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27596 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27597 if not self.draw_new_frame(): 
    27598 File
    27599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27600 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27601 changed = view.check_for_drawing_change() 
    27602 File
    27603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27604 packages/chimerax/core/graphics/view.py", line 252, in
    27605 check_for_drawing_change 
    27606 trig.activate_trigger('graphics update', self) 
    27607 File
    27608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27609 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27610 trigger.activate(data) 
    27611 File
    27612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27613 packages/chimerax/core/triggerset.py", line 190, in activate 
    27614 ret = handler.invoke(data, self._remove_bad_handlers) 
    27615 File
    27616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27617 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27618 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27619 File
    27620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27621 packages/chimerax/core/session.py", line 943, in <lambda> 
    27622 logger.report_exception(preface=preface)) 
    27623 File
    27624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27625 packages/chimerax/core/logger.py", line 421, in report_exception 
    27626 elif probably_chimera1_session(exc_info): 
    27627 File
    27628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27629 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27630 etype, evalue, etraceback = exc_info 
    27631 TypeError: cannot unpack non-iterable NoneType object 
    27632  
    27633 TypeError: cannot unpack non-iterable NoneType object 
    27634  
    27635 File
    27636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27637 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27638 etype, evalue, etraceback = exc_info 
    27639  
    27640 See log for complete Python traceback. 
    27641  
    27642 Traceback (most recent call last): 
    27643 File
    27644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27645 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27646 return self._func(self._name, data) 
    27647 File
    27648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27649 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27650 if v.display: 
    27651 File
    27652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27653 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27654 return self._any_displayed_positions and len(self._positions) > 0 
    27655 TypeError: object of type 'NoneType' has no len() 
    27656  
    27657 During handling of the above exception, another exception occurred: 
    27658  
    27659 Traceback (most recent call last): 
    27660 File
    27661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27662 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27663 if not self.draw_new_frame(): 
    27664 File
    27665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27666 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27667 changed = view.check_for_drawing_change() 
    27668 File
    27669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27670 packages/chimerax/core/graphics/view.py", line 252, in
    27671 check_for_drawing_change 
    27672 trig.activate_trigger('graphics update', self) 
    27673 File
    27674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27675 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27676 trigger.activate(data) 
    27677 File
    27678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27679 packages/chimerax/core/triggerset.py", line 190, in activate 
    27680 ret = handler.invoke(data, self._remove_bad_handlers) 
    27681 File
    27682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27683 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27684 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27685 File
    27686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27687 packages/chimerax/core/session.py", line 943, in <lambda> 
    27688 logger.report_exception(preface=preface)) 
    27689 File
    27690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27691 packages/chimerax/core/logger.py", line 421, in report_exception 
    27692 elif probably_chimera1_session(exc_info): 
    27693 File
    27694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27695 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27696 etype, evalue, etraceback = exc_info 
    27697 TypeError: cannot unpack non-iterable NoneType object 
    27698  
    27699 TypeError: cannot unpack non-iterable NoneType object 
    27700  
    27701 File
    27702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27703 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27704 etype, evalue, etraceback = exc_info 
    27705  
    27706 See log for complete Python traceback. 
    27707  
    27708 Traceback (most recent call last): 
    27709 File
    27710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27711 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27712 return self._func(self._name, data) 
    27713 File
    27714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27715 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27716 if v.display: 
    27717 File
    27718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27719 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27720 return self._any_displayed_positions and len(self._positions) > 0 
    27721 TypeError: object of type 'NoneType' has no len() 
    27722  
    27723 During handling of the above exception, another exception occurred: 
    27724  
    27725 Traceback (most recent call last): 
    27726 File
    27727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27728 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27729 if not self.draw_new_frame(): 
    27730 File
    27731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27732 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27733 changed = view.check_for_drawing_change() 
    27734 File
    27735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27736 packages/chimerax/core/graphics/view.py", line 252, in
    27737 check_for_drawing_change 
    27738 trig.activate_trigger('graphics update', self) 
    27739 File
    27740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27741 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27742 trigger.activate(data) 
    27743 File
    27744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27745 packages/chimerax/core/triggerset.py", line 190, in activate 
    27746 ret = handler.invoke(data, self._remove_bad_handlers) 
    27747 File
    27748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27749 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27750 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27751 File
    27752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27753 packages/chimerax/core/session.py", line 943, in <lambda> 
    27754 logger.report_exception(preface=preface)) 
    27755 File
    27756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27757 packages/chimerax/core/logger.py", line 421, in report_exception 
    27758 elif probably_chimera1_session(exc_info): 
    27759 File
    27760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27761 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27762 etype, evalue, etraceback = exc_info 
    27763 TypeError: cannot unpack non-iterable NoneType object 
    27764  
    27765 TypeError: cannot unpack non-iterable NoneType object 
    27766  
    27767 File
    27768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27769 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27770 etype, evalue, etraceback = exc_info 
    27771  
    27772 See log for complete Python traceback. 
    27773  
    27774 Traceback (most recent call last): 
    27775 File
    27776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27777 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27778 return self._func(self._name, data) 
    27779 File
    27780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27781 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27782 if v.display: 
    27783 File
    27784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27785 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27786 return self._any_displayed_positions and len(self._positions) > 0 
    27787 TypeError: object of type 'NoneType' has no len() 
    27788  
    27789 During handling of the above exception, another exception occurred: 
    27790  
    27791 Traceback (most recent call last): 
    27792 File
    27793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27794 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27795 if not self.draw_new_frame(): 
    27796 File
    27797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27798 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27799 changed = view.check_for_drawing_change() 
    27800 File
    27801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27802 packages/chimerax/core/graphics/view.py", line 252, in
    27803 check_for_drawing_change 
    27804 trig.activate_trigger('graphics update', self) 
    27805 File
    27806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27807 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27808 trigger.activate(data) 
    27809 File
    27810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27811 packages/chimerax/core/triggerset.py", line 190, in activate 
    27812 ret = handler.invoke(data, self._remove_bad_handlers) 
    27813 File
    27814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27815 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27816 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27817 File
    27818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27819 packages/chimerax/core/session.py", line 943, in <lambda> 
    27820 logger.report_exception(preface=preface)) 
    27821 File
    27822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27823 packages/chimerax/core/logger.py", line 421, in report_exception 
    27824 elif probably_chimera1_session(exc_info): 
    27825 File
    27826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27827 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27828 etype, evalue, etraceback = exc_info 
    27829 TypeError: cannot unpack non-iterable NoneType object 
    27830  
    27831 TypeError: cannot unpack non-iterable NoneType object 
    27832  
    27833 File
    27834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27835 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27836 etype, evalue, etraceback = exc_info 
    27837  
    27838 See log for complete Python traceback. 
    27839  
    27840 Traceback (most recent call last): 
    27841 File
    27842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27843 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27844 return self._func(self._name, data) 
    27845 File
    27846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27847 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27848 if v.display: 
    27849 File
    27850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27851 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27852 return self._any_displayed_positions and len(self._positions) > 0 
    27853 TypeError: object of type 'NoneType' has no len() 
    27854  
    27855 During handling of the above exception, another exception occurred: 
    27856  
    27857 Traceback (most recent call last): 
    27858 File
    27859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27860 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27861 if not self.draw_new_frame(): 
    27862 File
    27863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27864 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27865 changed = view.check_for_drawing_change() 
    27866 File
    27867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27868 packages/chimerax/core/graphics/view.py", line 252, in
    27869 check_for_drawing_change 
    27870 trig.activate_trigger('graphics update', self) 
    27871 File
    27872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27873 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27874 trigger.activate(data) 
    27875 File
    27876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27877 packages/chimerax/core/triggerset.py", line 190, in activate 
    27878 ret = handler.invoke(data, self._remove_bad_handlers) 
    27879 File
    27880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27881 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27882 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27883 File
    27884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27885 packages/chimerax/core/session.py", line 943, in <lambda> 
    27886 logger.report_exception(preface=preface)) 
    27887 File
    27888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27889 packages/chimerax/core/logger.py", line 421, in report_exception 
    27890 elif probably_chimera1_session(exc_info): 
    27891 File
    27892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27893 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27894 etype, evalue, etraceback = exc_info 
    27895 TypeError: cannot unpack non-iterable NoneType object 
    27896  
    27897 TypeError: cannot unpack non-iterable NoneType object 
    27898  
    27899 File
    27900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27901 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27902 etype, evalue, etraceback = exc_info 
    27903  
    27904 See log for complete Python traceback. 
    27905  
    27906 Traceback (most recent call last): 
    27907 File
    27908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27909 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27910 return self._func(self._name, data) 
    27911 File
    27912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27913 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27914 if v.display: 
    27915 File
    27916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27917 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27918 return self._any_displayed_positions and len(self._positions) > 0 
    27919 TypeError: object of type 'NoneType' has no len() 
    27920  
    27921 During handling of the above exception, another exception occurred: 
    27922  
    27923 Traceback (most recent call last): 
    27924 File
    27925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27926 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27927 if not self.draw_new_frame(): 
    27928 File
    27929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27930 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27931 changed = view.check_for_drawing_change() 
    27932 File
    27933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27934 packages/chimerax/core/graphics/view.py", line 252, in
    27935 check_for_drawing_change 
    27936 trig.activate_trigger('graphics update', self) 
    27937 File
    27938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27939 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27940 trigger.activate(data) 
    27941 File
    27942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27943 packages/chimerax/core/triggerset.py", line 190, in activate 
    27944 ret = handler.invoke(data, self._remove_bad_handlers) 
    27945 File
    27946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27947 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27948 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27949 File
    27950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27951 packages/chimerax/core/session.py", line 943, in <lambda> 
    27952 logger.report_exception(preface=preface)) 
    27953 File
    27954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27955 packages/chimerax/core/logger.py", line 421, in report_exception 
    27956 elif probably_chimera1_session(exc_info): 
    27957 File
    27958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27959 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27960 etype, evalue, etraceback = exc_info 
    27961 TypeError: cannot unpack non-iterable NoneType object 
    27962  
    27963 TypeError: cannot unpack non-iterable NoneType object 
    27964  
    27965 File
    27966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27967 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27968 etype, evalue, etraceback = exc_info 
    27969  
    27970 See log for complete Python traceback. 
    27971  
    27972 Traceback (most recent call last): 
    27973 File
    27974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27975 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27976 return self._func(self._name, data) 
    27977 File
    27978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27979 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27980 if v.display: 
    27981 File
    27982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27983 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27984 return self._any_displayed_positions and len(self._positions) > 0 
    27985 TypeError: object of type 'NoneType' has no len() 
    27986  
    27987 During handling of the above exception, another exception occurred: 
    27988  
    27989 Traceback (most recent call last): 
    27990 File
    27991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27992 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27993 if not self.draw_new_frame(): 
    27994 File
    27995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27996 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27997 changed = view.check_for_drawing_change() 
    27998 File
    27999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28000 packages/chimerax/core/graphics/view.py", line 252, in
    28001 check_for_drawing_change 
    28002 trig.activate_trigger('graphics update', self) 
    28003 File
    28004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28005 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28006 trigger.activate(data) 
    28007 File
    28008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28009 packages/chimerax/core/triggerset.py", line 190, in activate 
    28010 ret = handler.invoke(data, self._remove_bad_handlers) 
    28011 File
    28012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28013 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28014 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28015 File
    28016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28017 packages/chimerax/core/session.py", line 943, in <lambda> 
    28018 logger.report_exception(preface=preface)) 
    28019 File
    28020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28021 packages/chimerax/core/logger.py", line 421, in report_exception 
    28022 elif probably_chimera1_session(exc_info): 
    28023 File
    28024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28025 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28026 etype, evalue, etraceback = exc_info 
    28027 TypeError: cannot unpack non-iterable NoneType object 
    28028  
    28029 TypeError: cannot unpack non-iterable NoneType object 
    28030  
    28031 File
    28032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28033 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28034 etype, evalue, etraceback = exc_info 
    28035  
    28036 See log for complete Python traceback. 
    28037  
    28038 Traceback (most recent call last): 
    28039 File
    28040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28041 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28042 return self._func(self._name, data) 
    28043 File
    28044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28045 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28046 if v.display: 
    28047 File
    28048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28049 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28050 return self._any_displayed_positions and len(self._positions) > 0 
    28051 TypeError: object of type 'NoneType' has no len() 
    28052  
    28053 During handling of the above exception, another exception occurred: 
    28054  
    28055 Traceback (most recent call last): 
    28056 File
    28057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28058 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28059 if not self.draw_new_frame(): 
    28060 File
    28061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28062 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28063 changed = view.check_for_drawing_change() 
    28064 File
    28065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28066 packages/chimerax/core/graphics/view.py", line 252, in
    28067 check_for_drawing_change 
    28068 trig.activate_trigger('graphics update', self) 
    28069 File
    28070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28071 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28072 trigger.activate(data) 
    28073 File
    28074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28075 packages/chimerax/core/triggerset.py", line 190, in activate 
    28076 ret = handler.invoke(data, self._remove_bad_handlers) 
    28077 File
    28078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28079 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28080 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28081 File
    28082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28083 packages/chimerax/core/session.py", line 943, in <lambda> 
    28084 logger.report_exception(preface=preface)) 
    28085 File
    28086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28087 packages/chimerax/core/logger.py", line 421, in report_exception 
    28088 elif probably_chimera1_session(exc_info): 
    28089 File
    28090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28091 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28092 etype, evalue, etraceback = exc_info 
    28093 TypeError: cannot unpack non-iterable NoneType object 
    28094  
    28095 TypeError: cannot unpack non-iterable NoneType object 
    28096  
    28097 File
    28098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28099 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28100 etype, evalue, etraceback = exc_info 
    28101  
    28102 See log for complete Python traceback. 
    28103  
    28104 Traceback (most recent call last): 
    28105 File
    28106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28107 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28108 return self._func(self._name, data) 
    28109 File
    28110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28111 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28112 if v.display: 
    28113 File
    28114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28115 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28116 return self._any_displayed_positions and len(self._positions) > 0 
    28117 TypeError: object of type 'NoneType' has no len() 
    28118  
    28119 During handling of the above exception, another exception occurred: 
    28120  
    28121 Traceback (most recent call last): 
    28122 File
    28123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28124 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28125 if not self.draw_new_frame(): 
    28126 File
    28127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28128 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28129 changed = view.check_for_drawing_change() 
    28130 File
    28131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28132 packages/chimerax/core/graphics/view.py", line 252, in
    28133 check_for_drawing_change 
    28134 trig.activate_trigger('graphics update', self) 
    28135 File
    28136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28137 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28138 trigger.activate(data) 
    28139 File
    28140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28141 packages/chimerax/core/triggerset.py", line 190, in activate 
    28142 ret = handler.invoke(data, self._remove_bad_handlers) 
    28143 File
    28144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28145 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28146 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28147 File
    28148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28149 packages/chimerax/core/session.py", line 943, in <lambda> 
    28150 logger.report_exception(preface=preface)) 
    28151 File
    28152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28153 packages/chimerax/core/logger.py", line 421, in report_exception 
    28154 elif probably_chimera1_session(exc_info): 
    28155 File
    28156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28157 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28158 etype, evalue, etraceback = exc_info 
    28159 TypeError: cannot unpack non-iterable NoneType object 
    28160  
    28161 TypeError: cannot unpack non-iterable NoneType object 
    28162  
    28163 File
    28164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28165 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28166 etype, evalue, etraceback = exc_info 
    28167  
    28168 See log for complete Python traceback. 
    28169  
    28170 Traceback (most recent call last): 
    28171 File
    28172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28173 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28174 return self._func(self._name, data) 
    28175 File
    28176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28177 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28178 if v.display: 
    28179 File
    28180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28181 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28182 return self._any_displayed_positions and len(self._positions) > 0 
    28183 TypeError: object of type 'NoneType' has no len() 
    28184  
    28185 During handling of the above exception, another exception occurred: 
    28186  
    28187 Traceback (most recent call last): 
    28188 File
    28189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28190 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28191 if not self.draw_new_frame(): 
    28192 File
    28193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28194 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28195 changed = view.check_for_drawing_change() 
    28196 File
    28197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28198 packages/chimerax/core/graphics/view.py", line 252, in
    28199 check_for_drawing_change 
    28200 trig.activate_trigger('graphics update', self) 
    28201 File
    28202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28203 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28204 trigger.activate(data) 
    28205 File
    28206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28207 packages/chimerax/core/triggerset.py", line 190, in activate 
    28208 ret = handler.invoke(data, self._remove_bad_handlers) 
    28209 File
    28210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28211 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28212 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28213 File
    28214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28215 packages/chimerax/core/session.py", line 943, in <lambda> 
    28216 logger.report_exception(preface=preface)) 
    28217 File
    28218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28219 packages/chimerax/core/logger.py", line 421, in report_exception 
    28220 elif probably_chimera1_session(exc_info): 
    28221 File
    28222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28223 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28224 etype, evalue, etraceback = exc_info 
    28225 TypeError: cannot unpack non-iterable NoneType object 
    28226  
    28227 TypeError: cannot unpack non-iterable NoneType object 
    28228  
    28229 File
    28230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28231 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28232 etype, evalue, etraceback = exc_info 
    28233  
    28234 See log for complete Python traceback. 
    28235  
    28236 Traceback (most recent call last): 
    28237 File
    28238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28239 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28240 return self._func(self._name, data) 
    28241 File
    28242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28243 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28244 if v.display: 
    28245 File
    28246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28247 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28248 return self._any_displayed_positions and len(self._positions) > 0 
    28249 TypeError: object of type 'NoneType' has no len() 
    28250  
    28251 During handling of the above exception, another exception occurred: 
    28252  
    28253 Traceback (most recent call last): 
    28254 File
    28255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28256 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28257 if not self.draw_new_frame(): 
    28258 File
    28259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28260 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28261 changed = view.check_for_drawing_change() 
    28262 File
    28263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28264 packages/chimerax/core/graphics/view.py", line 252, in
    28265 check_for_drawing_change 
    28266 trig.activate_trigger('graphics update', self) 
    28267 File
    28268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28269 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28270 trigger.activate(data) 
    28271 File
    28272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28273 packages/chimerax/core/triggerset.py", line 190, in activate 
    28274 ret = handler.invoke(data, self._remove_bad_handlers) 
    28275 File
    28276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28277 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28278 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28279 File
    28280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28281 packages/chimerax/core/session.py", line 943, in <lambda> 
    28282 logger.report_exception(preface=preface)) 
    28283 File
    28284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28285 packages/chimerax/core/logger.py", line 421, in report_exception 
    28286 elif probably_chimera1_session(exc_info): 
    28287 File
    28288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28289 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28290 etype, evalue, etraceback = exc_info 
    28291 TypeError: cannot unpack non-iterable NoneType object 
    28292  
    28293 TypeError: cannot unpack non-iterable NoneType object 
    28294  
    28295 File
    28296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28297 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28298 etype, evalue, etraceback = exc_info 
    28299  
    28300 See log for complete Python traceback. 
    28301  
    28302 Traceback (most recent call last): 
    28303 File
    28304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28305 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28306 return self._func(self._name, data) 
    28307 File
    28308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28309 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28310 if v.display: 
    28311 File
    28312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28313 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28314 return self._any_displayed_positions and len(self._positions) > 0 
    28315 TypeError: object of type 'NoneType' has no len() 
    28316  
    28317 During handling of the above exception, another exception occurred: 
    28318  
    28319 Traceback (most recent call last): 
    28320 File
    28321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28322 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28323 if not self.draw_new_frame(): 
    28324 File
    28325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28326 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28327 changed = view.check_for_drawing_change() 
    28328 File
    28329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28330 packages/chimerax/core/graphics/view.py", line 252, in
    28331 check_for_drawing_change 
    28332 trig.activate_trigger('graphics update', self) 
    28333 File
    28334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28335 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28336 trigger.activate(data) 
    28337 File
    28338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28339 packages/chimerax/core/triggerset.py", line 190, in activate 
    28340 ret = handler.invoke(data, self._remove_bad_handlers) 
    28341 File
    28342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28343 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28344 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28345 File
    28346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28347 packages/chimerax/core/session.py", line 943, in <lambda> 
    28348 logger.report_exception(preface=preface)) 
    28349 File
    28350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28351 packages/chimerax/core/logger.py", line 421, in report_exception 
    28352 elif probably_chimera1_session(exc_info): 
    28353 File
    28354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28355 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28356 etype, evalue, etraceback = exc_info 
    28357 TypeError: cannot unpack non-iterable NoneType object 
    28358  
    28359 TypeError: cannot unpack non-iterable NoneType object 
    28360  
    28361 File
    28362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28363 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28364 etype, evalue, etraceback = exc_info 
    28365  
    28366 See log for complete Python traceback. 
    28367  
    28368 Traceback (most recent call last): 
    28369 File
    28370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28371 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28372 return self._func(self._name, data) 
    28373 File
    28374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28375 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28376 if v.display: 
    28377 File
    28378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28379 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28380 return self._any_displayed_positions and len(self._positions) > 0 
    28381 TypeError: object of type 'NoneType' has no len() 
    28382  
    28383 During handling of the above exception, another exception occurred: 
    28384  
    28385 Traceback (most recent call last): 
    28386 File
    28387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28388 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28389 if not self.draw_new_frame(): 
    28390 File
    28391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28392 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28393 changed = view.check_for_drawing_change() 
    28394 File
    28395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28396 packages/chimerax/core/graphics/view.py", line 252, in
    28397 check_for_drawing_change 
    28398 trig.activate_trigger('graphics update', self) 
    28399 File
    28400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28401 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28402 trigger.activate(data) 
    28403 File
    28404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28405 packages/chimerax/core/triggerset.py", line 190, in activate 
    28406 ret = handler.invoke(data, self._remove_bad_handlers) 
    28407 File
    28408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28409 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28410 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28411 File
    28412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28413 packages/chimerax/core/session.py", line 943, in <lambda> 
    28414 logger.report_exception(preface=preface)) 
    28415 File
    28416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28417 packages/chimerax/core/logger.py", line 421, in report_exception 
    28418 elif probably_chimera1_session(exc_info): 
    28419 File
    28420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28421 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28422 etype, evalue, etraceback = exc_info 
    28423 TypeError: cannot unpack non-iterable NoneType object 
    28424  
    28425 TypeError: cannot unpack non-iterable NoneType object 
    28426  
    28427 File
    28428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28429 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28430 etype, evalue, etraceback = exc_info 
    28431  
    28432 See log for complete Python traceback. 
    28433  
    28434 Traceback (most recent call last): 
    28435 File
    28436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28437 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28438 return self._func(self._name, data) 
    28439 File
    28440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28441 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28442 if v.display: 
    28443 File
    28444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28445 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28446 return self._any_displayed_positions and len(self._positions) > 0 
    28447 TypeError: object of type 'NoneType' has no len() 
    28448  
    28449 During handling of the above exception, another exception occurred: 
    28450  
    28451 Traceback (most recent call last): 
    28452 File
    28453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28454 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28455 if not self.draw_new_frame(): 
    28456 File
    28457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28458 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28459 changed = view.check_for_drawing_change() 
    28460 File
    28461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28462 packages/chimerax/core/graphics/view.py", line 252, in
    28463 check_for_drawing_change 
    28464 trig.activate_trigger('graphics update', self) 
    28465 File
    28466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28467 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28468 trigger.activate(data) 
    28469 File
    28470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28471 packages/chimerax/core/triggerset.py", line 190, in activate 
    28472 ret = handler.invoke(data, self._remove_bad_handlers) 
    28473 File
    28474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28475 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28476 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28477 File
    28478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28479 packages/chimerax/core/session.py", line 943, in <lambda> 
    28480 logger.report_exception(preface=preface)) 
    28481 File
    28482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28483 packages/chimerax/core/logger.py", line 421, in report_exception 
    28484 elif probably_chimera1_session(exc_info): 
    28485 File
    28486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28487 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28488 etype, evalue, etraceback = exc_info 
    28489 TypeError: cannot unpack non-iterable NoneType object 
    28490  
    28491 TypeError: cannot unpack non-iterable NoneType object 
    28492  
    28493 File
    28494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28495 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28496 etype, evalue, etraceback = exc_info 
    28497  
    28498 See log for complete Python traceback. 
    28499  
    28500 Traceback (most recent call last): 
    28501 File
    28502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28503 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28504 return self._func(self._name, data) 
    28505 File
    28506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28507 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28508 if v.display: 
    28509 File
    28510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28511 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28512 return self._any_displayed_positions and len(self._positions) > 0 
    28513 TypeError: object of type 'NoneType' has no len() 
    28514  
    28515 During handling of the above exception, another exception occurred: 
    28516  
    28517 Traceback (most recent call last): 
    28518 File
    28519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28520 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28521 if not self.draw_new_frame(): 
    28522 File
    28523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28524 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28525 changed = view.check_for_drawing_change() 
    28526 File
    28527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28528 packages/chimerax/core/graphics/view.py", line 252, in
    28529 check_for_drawing_change 
    28530 trig.activate_trigger('graphics update', self) 
    28531 File
    28532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28533 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28534 trigger.activate(data) 
    28535 File
    28536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28537 packages/chimerax/core/triggerset.py", line 190, in activate 
    28538 ret = handler.invoke(data, self._remove_bad_handlers) 
    28539 File
    28540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28541 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28542 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28543 File
    28544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28545 packages/chimerax/core/session.py", line 943, in <lambda> 
    28546 logger.report_exception(preface=preface)) 
    28547 File
    28548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28549 packages/chimerax/core/logger.py", line 421, in report_exception 
    28550 elif probably_chimera1_session(exc_info): 
    28551 File
    28552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28553 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28554 etype, evalue, etraceback = exc_info 
    28555 TypeError: cannot unpack non-iterable NoneType object 
    28556  
    28557 TypeError: cannot unpack non-iterable NoneType object 
    28558  
    28559 File
    28560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28561 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28562 etype, evalue, etraceback = exc_info 
    28563  
    28564 See log for complete Python traceback. 
    28565  
    28566 Traceback (most recent call last): 
    28567 File
    28568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28569 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28570 return self._func(self._name, data) 
    28571 File
    28572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28573 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28574 if v.display: 
    28575 File
    28576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28577 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28578 return self._any_displayed_positions and len(self._positions) > 0 
    28579 TypeError: object of type 'NoneType' has no len() 
    28580  
    28581 During handling of the above exception, another exception occurred: 
    28582  
    28583 Traceback (most recent call last): 
    28584 File
    28585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28586 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28587 if not self.draw_new_frame(): 
    28588 File
    28589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28590 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28591 changed = view.check_for_drawing_change() 
    28592 File
    28593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28594 packages/chimerax/core/graphics/view.py", line 252, in
    28595 check_for_drawing_change 
    28596 trig.activate_trigger('graphics update', self) 
    28597 File
    28598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28599 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28600 trigger.activate(data) 
    28601 File
    28602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28603 packages/chimerax/core/triggerset.py", line 190, in activate 
    28604 ret = handler.invoke(data, self._remove_bad_handlers) 
    28605 File
    28606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28607 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28608 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28609 File
    28610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28611 packages/chimerax/core/session.py", line 943, in <lambda> 
    28612 logger.report_exception(preface=preface)) 
    28613 File
    28614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28615 packages/chimerax/core/logger.py", line 421, in report_exception 
    28616 elif probably_chimera1_session(exc_info): 
    28617 File
    28618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28619 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28620 etype, evalue, etraceback = exc_info 
    28621 TypeError: cannot unpack non-iterable NoneType object 
    28622  
    28623 TypeError: cannot unpack non-iterable NoneType object 
    28624  
    28625 File
    28626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28627 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28628 etype, evalue, etraceback = exc_info 
    28629  
    28630 See log for complete Python traceback. 
    28631  
    28632 Traceback (most recent call last): 
    28633 File
    28634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28635 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28636 return self._func(self._name, data) 
    28637 File
    28638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28639 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28640 if v.display: 
    28641 File
    28642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28643 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28644 return self._any_displayed_positions and len(self._positions) > 0 
    28645 TypeError: object of type 'NoneType' has no len() 
    28646  
    28647 During handling of the above exception, another exception occurred: 
    28648  
    28649 Traceback (most recent call last): 
    28650 File
    28651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28652 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28653 if not self.draw_new_frame(): 
    28654 File
    28655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28656 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28657 changed = view.check_for_drawing_change() 
    28658 File
    28659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28660 packages/chimerax/core/graphics/view.py", line 252, in
    28661 check_for_drawing_change 
    28662 trig.activate_trigger('graphics update', self) 
    28663 File
    28664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28665 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28666 trigger.activate(data) 
    28667 File
    28668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28669 packages/chimerax/core/triggerset.py", line 190, in activate 
    28670 ret = handler.invoke(data, self._remove_bad_handlers) 
    28671 File
    28672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28673 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28674 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28675 File
    28676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28677 packages/chimerax/core/session.py", line 943, in <lambda> 
    28678 logger.report_exception(preface=preface)) 
    28679 File
    28680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28681 packages/chimerax/core/logger.py", line 421, in report_exception 
    28682 elif probably_chimera1_session(exc_info): 
    28683 File
    28684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28685 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28686 etype, evalue, etraceback = exc_info 
    28687 TypeError: cannot unpack non-iterable NoneType object 
    28688  
    28689 TypeError: cannot unpack non-iterable NoneType object 
    28690  
    28691 File
    28692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28693 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28694 etype, evalue, etraceback = exc_info 
    28695  
    28696 See log for complete Python traceback. 
    28697  
    28698 Traceback (most recent call last): 
    28699 File
    28700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28701 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28702 return self._func(self._name, data) 
    28703 File
    28704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28705 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28706 if v.display: 
    28707 File
    28708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28709 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28710 return self._any_displayed_positions and len(self._positions) > 0 
    28711 TypeError: object of type 'NoneType' has no len() 
    28712  
    28713 During handling of the above exception, another exception occurred: 
    28714  
    28715 Traceback (most recent call last): 
    28716 File
    28717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28718 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28719 if not self.draw_new_frame(): 
    28720 File
    28721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28722 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28723 changed = view.check_for_drawing_change() 
    28724 File
    28725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28726 packages/chimerax/core/graphics/view.py", line 252, in
    28727 check_for_drawing_change 
    28728 trig.activate_trigger('graphics update', self) 
    28729 File
    28730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28731 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28732 trigger.activate(data) 
    28733 File
    28734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28735 packages/chimerax/core/triggerset.py", line 190, in activate 
    28736 ret = handler.invoke(data, self._remove_bad_handlers) 
    28737 File
    28738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28739 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28740 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28741 File
    28742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28743 packages/chimerax/core/session.py", line 943, in <lambda> 
    28744 logger.report_exception(preface=preface)) 
    28745 File
    28746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28747 packages/chimerax/core/logger.py", line 421, in report_exception 
    28748 elif probably_chimera1_session(exc_info): 
    28749 File
    28750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28751 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28752 etype, evalue, etraceback = exc_info 
    28753 TypeError: cannot unpack non-iterable NoneType object 
    28754  
    28755 TypeError: cannot unpack non-iterable NoneType object 
    28756  
    28757 File
    28758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28759 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28760 etype, evalue, etraceback = exc_info 
    28761  
    28762 See log for complete Python traceback. 
    28763  
    28764 Traceback (most recent call last): 
    28765 File
    28766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28767 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28768 return self._func(self._name, data) 
    28769 File
    28770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28771 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28772 if v.display: 
    28773 File
    28774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28775 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28776 return self._any_displayed_positions and len(self._positions) > 0 
    28777 TypeError: object of type 'NoneType' has no len() 
    28778  
    28779 During handling of the above exception, another exception occurred: 
    28780  
    28781 Traceback (most recent call last): 
    28782 File
    28783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28784 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28785 if not self.draw_new_frame(): 
    28786 File
    28787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28788 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28789 changed = view.check_for_drawing_change() 
    28790 File
    28791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28792 packages/chimerax/core/graphics/view.py", line 252, in
    28793 check_for_drawing_change 
    28794 trig.activate_trigger('graphics update', self) 
    28795 File
    28796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28797 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28798 trigger.activate(data) 
    28799 File
    28800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28801 packages/chimerax/core/triggerset.py", line 190, in activate 
    28802 ret = handler.invoke(data, self._remove_bad_handlers) 
    28803 File
    28804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28805 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28806 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28807 File
    28808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28809 packages/chimerax/core/session.py", line 943, in <lambda> 
    28810 logger.report_exception(preface=preface)) 
    28811 File
    28812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28813 packages/chimerax/core/logger.py", line 421, in report_exception 
    28814 elif probably_chimera1_session(exc_info): 
    28815 File
    28816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28817 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28818 etype, evalue, etraceback = exc_info 
    28819 TypeError: cannot unpack non-iterable NoneType object 
    28820  
    28821 TypeError: cannot unpack non-iterable NoneType object 
    28822  
    28823 File
    28824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28825 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28826 etype, evalue, etraceback = exc_info 
    28827  
    28828 See log for complete Python traceback. 
    28829  
    28830 Traceback (most recent call last): 
    28831 File
    28832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28833 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28834 return self._func(self._name, data) 
    28835 File
    28836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28837 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28838 if v.display: 
    28839 File
    28840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28841 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28842 return self._any_displayed_positions and len(self._positions) > 0 
    28843 TypeError: object of type 'NoneType' has no len() 
    28844  
    28845 During handling of the above exception, another exception occurred: 
    28846  
    28847 Traceback (most recent call last): 
    28848 File
    28849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28850 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28851 if not self.draw_new_frame(): 
    28852 File
    28853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28854 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28855 changed = view.check_for_drawing_change() 
    28856 File
    28857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28858 packages/chimerax/core/graphics/view.py", line 252, in
    28859 check_for_drawing_change 
    28860 trig.activate_trigger('graphics update', self) 
    28861 File
    28862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28863 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28864 trigger.activate(data) 
    28865 File
    28866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28867 packages/chimerax/core/triggerset.py", line 190, in activate 
    28868 ret = handler.invoke(data, self._remove_bad_handlers) 
    28869 File
    28870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28871 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28872 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28873 File
    28874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28875 packages/chimerax/core/session.py", line 943, in <lambda> 
    28876 logger.report_exception(preface=preface)) 
    28877 File
    28878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28879 packages/chimerax/core/logger.py", line 421, in report_exception 
    28880 elif probably_chimera1_session(exc_info): 
    28881 File
    28882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28883 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28884 etype, evalue, etraceback = exc_info 
    28885 TypeError: cannot unpack non-iterable NoneType object 
    28886  
    28887 TypeError: cannot unpack non-iterable NoneType object 
    28888  
    28889 File
    28890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28891 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28892 etype, evalue, etraceback = exc_info 
    28893  
    28894 See log for complete Python traceback. 
    28895  
    28896 Traceback (most recent call last): 
    28897 File
    28898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28899 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28900 return self._func(self._name, data) 
    28901 File
    28902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28903 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28904 if v.display: 
    28905 File
    28906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28907 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28908 return self._any_displayed_positions and len(self._positions) > 0 
    28909 TypeError: object of type 'NoneType' has no len() 
    28910  
    28911 During handling of the above exception, another exception occurred: 
    28912  
    28913 Traceback (most recent call last): 
    28914 File
    28915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28916 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28917 if not self.draw_new_frame(): 
    28918 File
    28919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28920 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28921 changed = view.check_for_drawing_change() 
    28922 File
    28923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28924 packages/chimerax/core/graphics/view.py", line 252, in
    28925 check_for_drawing_change 
    28926 trig.activate_trigger('graphics update', self) 
    28927 File
    28928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28929 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28930 trigger.activate(data) 
    28931 File
    28932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28933 packages/chimerax/core/triggerset.py", line 190, in activate 
    28934 ret = handler.invoke(data, self._remove_bad_handlers) 
    28935 File
    28936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28937 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28938 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28939 File
    28940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28941 packages/chimerax/core/session.py", line 943, in <lambda> 
    28942 logger.report_exception(preface=preface)) 
    28943 File
    28944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28945 packages/chimerax/core/logger.py", line 421, in report_exception 
    28946 elif probably_chimera1_session(exc_info): 
    28947 File
    28948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28949 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28950 etype, evalue, etraceback = exc_info 
    28951 TypeError: cannot unpack non-iterable NoneType object 
    28952  
    28953 TypeError: cannot unpack non-iterable NoneType object 
    28954  
    28955 File
    28956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28957 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28958 etype, evalue, etraceback = exc_info 
    28959  
    28960 See log for complete Python traceback. 
    28961  
    28962 Traceback (most recent call last): 
    28963 File
    28964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28965 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28966 return self._func(self._name, data) 
    28967 File
    28968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28969 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28970 if v.display: 
    28971 File
    28972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28973 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28974 return self._any_displayed_positions and len(self._positions) > 0 
    28975 TypeError: object of type 'NoneType' has no len() 
    28976  
    28977 During handling of the above exception, another exception occurred: 
    28978  
    28979 Traceback (most recent call last): 
    28980 File
    28981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28982 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28983 if not self.draw_new_frame(): 
    28984 File
    28985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28986 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28987 changed = view.check_for_drawing_change() 
    28988 File
    28989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28990 packages/chimerax/core/graphics/view.py", line 252, in
    28991 check_for_drawing_change 
    28992 trig.activate_trigger('graphics update', self) 
    28993 File
    28994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28995 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28996 trigger.activate(data) 
    28997 File
    28998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28999 packages/chimerax/core/triggerset.py", line 190, in activate 
    29000 ret = handler.invoke(data, self._remove_bad_handlers) 
    29001 File
    29002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29003 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29004 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29005 File
    29006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29007 packages/chimerax/core/session.py", line 943, in <lambda> 
    29008 logger.report_exception(preface=preface)) 
    29009 File
    29010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29011 packages/chimerax/core/logger.py", line 421, in report_exception 
    29012 elif probably_chimera1_session(exc_info): 
    29013 File
    29014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29015 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29016 etype, evalue, etraceback = exc_info 
    29017 TypeError: cannot unpack non-iterable NoneType object 
    29018  
    29019 TypeError: cannot unpack non-iterable NoneType object 
    29020  
    29021 File
    29022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29023 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29024 etype, evalue, etraceback = exc_info 
    29025  
    29026 See log for complete Python traceback. 
    29027  
    29028 Traceback (most recent call last): 
    29029 File
    29030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29031 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29032 return self._func(self._name, data) 
    29033 File
    29034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29035 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29036 if v.display: 
    29037 File
    29038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29039 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29040 return self._any_displayed_positions and len(self._positions) > 0 
    29041 TypeError: object of type 'NoneType' has no len() 
    29042  
    29043 During handling of the above exception, another exception occurred: 
    29044  
    29045 Traceback (most recent call last): 
    29046 File
    29047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29048 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29049 if not self.draw_new_frame(): 
    29050 File
    29051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29052 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29053 changed = view.check_for_drawing_change() 
    29054 File
    29055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29056 packages/chimerax/core/graphics/view.py", line 252, in
    29057 check_for_drawing_change 
    29058 trig.activate_trigger('graphics update', self) 
    29059 File
    29060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29061 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29062 trigger.activate(data) 
    29063 File
    29064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29065 packages/chimerax/core/triggerset.py", line 190, in activate 
    29066 ret = handler.invoke(data, self._remove_bad_handlers) 
    29067 File
    29068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29069 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29070 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29071 File
    29072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29073 packages/chimerax/core/session.py", line 943, in <lambda> 
    29074 logger.report_exception(preface=preface)) 
    29075 File
    29076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29077 packages/chimerax/core/logger.py", line 421, in report_exception 
    29078 elif probably_chimera1_session(exc_info): 
    29079 File
    29080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29081 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29082 etype, evalue, etraceback = exc_info 
    29083 TypeError: cannot unpack non-iterable NoneType object 
    29084  
    29085 TypeError: cannot unpack non-iterable NoneType object 
    29086  
    29087 File
    29088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29089 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29090 etype, evalue, etraceback = exc_info 
    29091  
    29092 See log for complete Python traceback. 
    29093  
    29094 Traceback (most recent call last): 
    29095 File
    29096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29097 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29098 return self._func(self._name, data) 
    29099 File
    29100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29101 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29102 if v.display: 
    29103 File
    29104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29105 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29106 return self._any_displayed_positions and len(self._positions) > 0 
    29107 TypeError: object of type 'NoneType' has no len() 
    29108  
    29109 During handling of the above exception, another exception occurred: 
    29110  
    29111 Traceback (most recent call last): 
    29112 File
    29113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29114 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29115 if not self.draw_new_frame(): 
    29116 File
    29117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29118 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29119 changed = view.check_for_drawing_change() 
    29120 File
    29121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29122 packages/chimerax/core/graphics/view.py", line 252, in
    29123 check_for_drawing_change 
    29124 trig.activate_trigger('graphics update', self) 
    29125 File
    29126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29127 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29128 trigger.activate(data) 
    29129 File
    29130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29131 packages/chimerax/core/triggerset.py", line 190, in activate 
    29132 ret = handler.invoke(data, self._remove_bad_handlers) 
    29133 File
    29134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29135 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29136 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29137 File
    29138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29139 packages/chimerax/core/session.py", line 943, in <lambda> 
    29140 logger.report_exception(preface=preface)) 
    29141 File
    29142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29143 packages/chimerax/core/logger.py", line 421, in report_exception 
    29144 elif probably_chimera1_session(exc_info): 
    29145 File
    29146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29147 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29148 etype, evalue, etraceback = exc_info 
    29149 TypeError: cannot unpack non-iterable NoneType object 
    29150  
    29151 TypeError: cannot unpack non-iterable NoneType object 
    29152  
    29153 File
    29154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29155 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29156 etype, evalue, etraceback = exc_info 
    29157  
    29158 See log for complete Python traceback. 
    29159  
    29160 Traceback (most recent call last): 
    29161 File
    29162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29163 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29164 return self._func(self._name, data) 
    29165 File
    29166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29167 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29168 if v.display: 
    29169 File
    29170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29171 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29172 return self._any_displayed_positions and len(self._positions) > 0 
    29173 TypeError: object of type 'NoneType' has no len() 
    29174  
    29175 During handling of the above exception, another exception occurred: 
    29176  
    29177 Traceback (most recent call last): 
    29178 File
    29179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29180 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29181 if not self.draw_new_frame(): 
    29182 File
    29183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29184 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29185 changed = view.check_for_drawing_change() 
    29186 File
    29187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29188 packages/chimerax/core/graphics/view.py", line 252, in
    29189 check_for_drawing_change 
    29190 trig.activate_trigger('graphics update', self) 
    29191 File
    29192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29193 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29194 trigger.activate(data) 
    29195 File
    29196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29197 packages/chimerax/core/triggerset.py", line 190, in activate 
    29198 ret = handler.invoke(data, self._remove_bad_handlers) 
    29199 File
    29200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29201 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29202 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29203 File
    29204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29205 packages/chimerax/core/session.py", line 943, in <lambda> 
    29206 logger.report_exception(preface=preface)) 
    29207 File
    29208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29209 packages/chimerax/core/logger.py", line 421, in report_exception 
    29210 elif probably_chimera1_session(exc_info): 
    29211 File
    29212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29213 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29214 etype, evalue, etraceback = exc_info 
    29215 TypeError: cannot unpack non-iterable NoneType object 
    29216  
    29217 TypeError: cannot unpack non-iterable NoneType object 
    29218  
    29219 File
    29220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29221 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29222 etype, evalue, etraceback = exc_info 
    29223  
    29224 See log for complete Python traceback. 
    29225  
    29226 Traceback (most recent call last): 
    29227 File
    29228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29229 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29230 return self._func(self._name, data) 
    29231 File
    29232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29233 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29234 if v.display: 
    29235 File
    29236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29237 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29238 return self._any_displayed_positions and len(self._positions) > 0 
    29239 TypeError: object of type 'NoneType' has no len() 
    29240  
    29241 During handling of the above exception, another exception occurred: 
    29242  
    29243 Traceback (most recent call last): 
    29244 File
    29245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29246 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29247 if not self.draw_new_frame(): 
    29248 File
    29249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29250 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29251 changed = view.check_for_drawing_change() 
    29252 File
    29253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29254 packages/chimerax/core/graphics/view.py", line 252, in
    29255 check_for_drawing_change 
    29256 trig.activate_trigger('graphics update', self) 
    29257 File
    29258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29259 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29260 trigger.activate(data) 
    29261 File
    29262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29263 packages/chimerax/core/triggerset.py", line 190, in activate 
    29264 ret = handler.invoke(data, self._remove_bad_handlers) 
    29265 File
    29266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29267 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29268 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29269 File
    29270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29271 packages/chimerax/core/session.py", line 943, in <lambda> 
    29272 logger.report_exception(preface=preface)) 
    29273 File
    29274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29275 packages/chimerax/core/logger.py", line 421, in report_exception 
    29276 elif probably_chimera1_session(exc_info): 
    29277 File
    29278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29279 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29280 etype, evalue, etraceback = exc_info 
    29281 TypeError: cannot unpack non-iterable NoneType object 
    29282  
    29283 TypeError: cannot unpack non-iterable NoneType object 
    29284  
    29285 File
    29286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29287 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29288 etype, evalue, etraceback = exc_info 
    29289  
    29290 See log for complete Python traceback. 
    29291  
    29292 Traceback (most recent call last): 
    29293 File
    29294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29295 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29296 return self._func(self._name, data) 
    29297 File
    29298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29299 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29300 if v.display: 
    29301 File
    29302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29303 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29304 return self._any_displayed_positions and len(self._positions) > 0 
    29305 TypeError: object of type 'NoneType' has no len() 
    29306  
    29307 During handling of the above exception, another exception occurred: 
    29308  
    29309 Traceback (most recent call last): 
    29310 File
    29311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29312 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29313 if not self.draw_new_frame(): 
    29314 File
    29315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29316 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29317 changed = view.check_for_drawing_change() 
    29318 File
    29319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29320 packages/chimerax/core/graphics/view.py", line 252, in
    29321 check_for_drawing_change 
    29322 trig.activate_trigger('graphics update', self) 
    29323 File
    29324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29325 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29326 trigger.activate(data) 
    29327 File
    29328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29329 packages/chimerax/core/triggerset.py", line 190, in activate 
    29330 ret = handler.invoke(data, self._remove_bad_handlers) 
    29331 File
    29332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29333 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29334 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29335 File
    29336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29337 packages/chimerax/core/session.py", line 943, in <lambda> 
    29338 logger.report_exception(preface=preface)) 
    29339 File
    29340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29341 packages/chimerax/core/logger.py", line 421, in report_exception 
    29342 elif probably_chimera1_session(exc_info): 
    29343 File
    29344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29345 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29346 etype, evalue, etraceback = exc_info 
    29347 TypeError: cannot unpack non-iterable NoneType object 
    29348  
    29349 TypeError: cannot unpack non-iterable NoneType object 
    29350  
    29351 File
    29352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29353 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29354 etype, evalue, etraceback = exc_info 
    29355  
    29356 See log for complete Python traceback. 
    29357  
    29358 Traceback (most recent call last): 
    29359 File
    29360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29361 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29362 return self._func(self._name, data) 
    29363 File
    29364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29365 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29366 if v.display: 
    29367 File
    29368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29369 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29370 return self._any_displayed_positions and len(self._positions) > 0 
    29371 TypeError: object of type 'NoneType' has no len() 
    29372  
    29373 During handling of the above exception, another exception occurred: 
    29374  
    29375 Traceback (most recent call last): 
    29376 File
    29377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29378 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29379 if not self.draw_new_frame(): 
    29380 File
    29381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29382 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29383 changed = view.check_for_drawing_change() 
    29384 File
    29385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29386 packages/chimerax/core/graphics/view.py", line 252, in
    29387 check_for_drawing_change 
    29388 trig.activate_trigger('graphics update', self) 
    29389 File
    29390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29391 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29392 trigger.activate(data) 
    29393 File
    29394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29395 packages/chimerax/core/triggerset.py", line 190, in activate 
    29396 ret = handler.invoke(data, self._remove_bad_handlers) 
    29397 File
    29398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29399 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29400 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29401 File
    29402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29403 packages/chimerax/core/session.py", line 943, in <lambda> 
    29404 logger.report_exception(preface=preface)) 
    29405 File
    29406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29407 packages/chimerax/core/logger.py", line 421, in report_exception 
    29408 elif probably_chimera1_session(exc_info): 
    29409 File
    29410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29411 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29412 etype, evalue, etraceback = exc_info 
    29413 TypeError: cannot unpack non-iterable NoneType object 
    29414  
    29415 TypeError: cannot unpack non-iterable NoneType object 
    29416  
    29417 File
    29418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29419 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29420 etype, evalue, etraceback = exc_info 
    29421  
    29422 See log for complete Python traceback. 
    29423  
    29424 Traceback (most recent call last): 
    29425 File
    29426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29427 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29428 return self._func(self._name, data) 
    29429 File
    29430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29431 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29432 if v.display: 
    29433 File
    29434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29435 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29436 return self._any_displayed_positions and len(self._positions) > 0 
    29437 TypeError: object of type 'NoneType' has no len() 
    29438  
    29439 During handling of the above exception, another exception occurred: 
    29440  
    29441 Traceback (most recent call last): 
    29442 File
    29443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29444 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29445 if not self.draw_new_frame(): 
    29446 File
    29447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29448 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29449 changed = view.check_for_drawing_change() 
    29450 File
    29451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29452 packages/chimerax/core/graphics/view.py", line 252, in
    29453 check_for_drawing_change 
    29454 trig.activate_trigger('graphics update', self) 
    29455 File
    29456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29457 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29458 trigger.activate(data) 
    29459 File
    29460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29461 packages/chimerax/core/triggerset.py", line 190, in activate 
    29462 ret = handler.invoke(data, self._remove_bad_handlers) 
    29463 File
    29464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29465 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29466 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29467 File
    29468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29469 packages/chimerax/core/session.py", line 943, in <lambda> 
    29470 logger.report_exception(preface=preface)) 
    29471 File
    29472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29473 packages/chimerax/core/logger.py", line 421, in report_exception 
    29474 elif probably_chimera1_session(exc_info): 
    29475 File
    29476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29477 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29478 etype, evalue, etraceback = exc_info 
    29479 TypeError: cannot unpack non-iterable NoneType object 
    29480  
    29481 TypeError: cannot unpack non-iterable NoneType object 
    29482  
    29483 File
    29484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29485 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29486 etype, evalue, etraceback = exc_info 
    29487  
    29488 See log for complete Python traceback. 
    29489  
    29490 Traceback (most recent call last): 
    29491 File
    29492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29493 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29494 return self._func(self._name, data) 
    29495 File
    29496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29497 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29498 if v.display: 
    29499 File
    29500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29501 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29502 return self._any_displayed_positions and len(self._positions) > 0 
    29503 TypeError: object of type 'NoneType' has no len() 
    29504  
    29505 During handling of the above exception, another exception occurred: 
    29506  
    29507 Traceback (most recent call last): 
    29508 File
    29509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29510 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29511 if not self.draw_new_frame(): 
    29512 File
    29513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29514 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29515 changed = view.check_for_drawing_change() 
    29516 File
    29517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29518 packages/chimerax/core/graphics/view.py", line 252, in
    29519 check_for_drawing_change 
    29520 trig.activate_trigger('graphics update', self) 
    29521 File
    29522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29523 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29524 trigger.activate(data) 
    29525 File
    29526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29527 packages/chimerax/core/triggerset.py", line 190, in activate 
    29528 ret = handler.invoke(data, self._remove_bad_handlers) 
    29529 File
    29530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29531 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29532 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29533 File
    29534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29535 packages/chimerax/core/session.py", line 943, in <lambda> 
    29536 logger.report_exception(preface=preface)) 
    29537 File
    29538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29539 packages/chimerax/core/logger.py", line 421, in report_exception 
    29540 elif probably_chimera1_session(exc_info): 
    29541 File
    29542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29543 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29544 etype, evalue, etraceback = exc_info 
    29545 TypeError: cannot unpack non-iterable NoneType object 
    29546  
    29547 TypeError: cannot unpack non-iterable NoneType object 
    29548  
    29549 File
    29550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29551 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29552 etype, evalue, etraceback = exc_info 
    29553  
    29554 See log for complete Python traceback. 
    29555  
    29556 Traceback (most recent call last): 
    29557 File
    29558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29559 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29560 return self._func(self._name, data) 
    29561 File
    29562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29563 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29564 if v.display: 
    29565 File
    29566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29567 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29568 return self._any_displayed_positions and len(self._positions) > 0 
    29569 TypeError: object of type 'NoneType' has no len() 
    29570  
    29571 During handling of the above exception, another exception occurred: 
    29572  
    29573 Traceback (most recent call last): 
    29574 File
    29575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29576 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29577 if not self.draw_new_frame(): 
    29578 File
    29579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29580 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29581 changed = view.check_for_drawing_change() 
    29582 File
    29583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29584 packages/chimerax/core/graphics/view.py", line 252, in
    29585 check_for_drawing_change 
    29586 trig.activate_trigger('graphics update', self) 
    29587 File
    29588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29589 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29590 trigger.activate(data) 
    29591 File
    29592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29593 packages/chimerax/core/triggerset.py", line 190, in activate 
    29594 ret = handler.invoke(data, self._remove_bad_handlers) 
    29595 File
    29596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29597 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29598 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29599 File
    29600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29601 packages/chimerax/core/session.py", line 943, in <lambda> 
    29602 logger.report_exception(preface=preface)) 
    29603 File
    29604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29605 packages/chimerax/core/logger.py", line 421, in report_exception 
    29606 elif probably_chimera1_session(exc_info): 
    29607 File
    29608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29609 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29610 etype, evalue, etraceback = exc_info 
    29611 TypeError: cannot unpack non-iterable NoneType object 
    29612  
    29613 TypeError: cannot unpack non-iterable NoneType object 
    29614  
    29615 File
    29616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29617 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29618 etype, evalue, etraceback = exc_info 
    29619  
    29620 See log for complete Python traceback. 
    29621  
    29622 Traceback (most recent call last): 
    29623 File
    29624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29625 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29626 return self._func(self._name, data) 
    29627 File
    29628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29629 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29630 if v.display: 
    29631 File
    29632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29633 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29634 return self._any_displayed_positions and len(self._positions) > 0 
    29635 TypeError: object of type 'NoneType' has no len() 
    29636  
    29637 During handling of the above exception, another exception occurred: 
    29638  
    29639 Traceback (most recent call last): 
    29640 File
    29641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29642 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29643 if not self.draw_new_frame(): 
    29644 File
    29645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29646 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29647 changed = view.check_for_drawing_change() 
    29648 File
    29649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29650 packages/chimerax/core/graphics/view.py", line 252, in
    29651 check_for_drawing_change 
    29652 trig.activate_trigger('graphics update', self) 
    29653 File
    29654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29655 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29656 trigger.activate(data) 
    29657 File
    29658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29659 packages/chimerax/core/triggerset.py", line 190, in activate 
    29660 ret = handler.invoke(data, self._remove_bad_handlers) 
    29661 File
    29662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29663 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29664 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29665 File
    29666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29667 packages/chimerax/core/session.py", line 943, in <lambda> 
    29668 logger.report_exception(preface=preface)) 
    29669 File
    29670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29671 packages/chimerax/core/logger.py", line 421, in report_exception 
    29672 elif probably_chimera1_session(exc_info): 
    29673 File
    29674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29675 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29676 etype, evalue, etraceback = exc_info 
    29677 TypeError: cannot unpack non-iterable NoneType object 
    29678  
    29679 TypeError: cannot unpack non-iterable NoneType object 
    29680  
    29681 File
    29682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29683 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29684 etype, evalue, etraceback = exc_info 
    29685  
    29686 See log for complete Python traceback. 
    29687  
    29688 Traceback (most recent call last): 
    29689 File
    29690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29691 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29692 return self._func(self._name, data) 
    29693 File
    29694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29695 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29696 if v.display: 
    29697 File
    29698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29699 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29700 return self._any_displayed_positions and len(self._positions) > 0 
    29701 TypeError: object of type 'NoneType' has no len() 
    29702  
    29703 During handling of the above exception, another exception occurred: 
    29704  
    29705 Traceback (most recent call last): 
    29706 File
    29707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29708 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29709 if not self.draw_new_frame(): 
    29710 File
    29711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29712 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29713 changed = view.check_for_drawing_change() 
    29714 File
    29715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29716 packages/chimerax/core/graphics/view.py", line 252, in
    29717 check_for_drawing_change 
    29718 trig.activate_trigger('graphics update', self) 
    29719 File
    29720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29721 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29722 trigger.activate(data) 
    29723 File
    29724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29725 packages/chimerax/core/triggerset.py", line 190, in activate 
    29726 ret = handler.invoke(data, self._remove_bad_handlers) 
    29727 File
    29728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29729 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29730 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29731 File
    29732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29733 packages/chimerax/core/session.py", line 943, in <lambda> 
    29734 logger.report_exception(preface=preface)) 
    29735 File
    29736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29737 packages/chimerax/core/logger.py", line 421, in report_exception 
    29738 elif probably_chimera1_session(exc_info): 
    29739 File
    29740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29741 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29742 etype, evalue, etraceback = exc_info 
    29743 TypeError: cannot unpack non-iterable NoneType object 
    29744  
    29745 TypeError: cannot unpack non-iterable NoneType object 
    29746  
    29747 File
    29748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29749 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29750 etype, evalue, etraceback = exc_info 
    29751  
    29752 See log for complete Python traceback. 
    29753  
    29754 Traceback (most recent call last): 
    29755 File
    29756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29757 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29758 return self._func(self._name, data) 
    29759 File
    29760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29761 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29762 if v.display: 
    29763 File
    29764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29765 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29766 return self._any_displayed_positions and len(self._positions) > 0 
    29767 TypeError: object of type 'NoneType' has no len() 
    29768  
    29769 During handling of the above exception, another exception occurred: 
    29770  
    29771 Traceback (most recent call last): 
    29772 File
    29773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29774 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29775 if not self.draw_new_frame(): 
    29776 File
    29777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29778 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29779 changed = view.check_for_drawing_change() 
    29780 File
    29781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29782 packages/chimerax/core/graphics/view.py", line 252, in
    29783 check_for_drawing_change 
    29784 trig.activate_trigger('graphics update', self) 
    29785 File
    29786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29787 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29788 trigger.activate(data) 
    29789 File
    29790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29791 packages/chimerax/core/triggerset.py", line 190, in activate 
    29792 ret = handler.invoke(data, self._remove_bad_handlers) 
    29793 File
    29794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29795 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29796 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29797 File
    29798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29799 packages/chimerax/core/session.py", line 943, in <lambda> 
    29800 logger.report_exception(preface=preface)) 
    29801 File
    29802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29803 packages/chimerax/core/logger.py", line 421, in report_exception 
    29804 elif probably_chimera1_session(exc_info): 
    29805 File
    29806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29807 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29808 etype, evalue, etraceback = exc_info 
    29809 TypeError: cannot unpack non-iterable NoneType object 
    29810  
    29811 TypeError: cannot unpack non-iterable NoneType object 
    29812  
    29813 File
    29814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29815 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29816 etype, evalue, etraceback = exc_info 
    29817  
    29818 See log for complete Python traceback. 
    29819  
    29820 Traceback (most recent call last): 
    29821 File
    29822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29823 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29824 return self._func(self._name, data) 
    29825 File
    29826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29827 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29828 if v.display: 
    29829 File
    29830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29831 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29832 return self._any_displayed_positions and len(self._positions) > 0 
    29833 TypeError: object of type 'NoneType' has no len() 
    29834  
    29835 During handling of the above exception, another exception occurred: 
    29836  
    29837 Traceback (most recent call last): 
    29838 File
    29839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29840 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29841 if not self.draw_new_frame(): 
    29842 File
    29843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29844 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29845 changed = view.check_for_drawing_change() 
    29846 File
    29847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29848 packages/chimerax/core/graphics/view.py", line 252, in
    29849 check_for_drawing_change 
    29850 trig.activate_trigger('graphics update', self) 
    29851 File
    29852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29853 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29854 trigger.activate(data) 
    29855 File
    29856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29857 packages/chimerax/core/triggerset.py", line 190, in activate 
    29858 ret = handler.invoke(data, self._remove_bad_handlers) 
    29859 File
    29860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29861 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29862 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29863 File
    29864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29865 packages/chimerax/core/session.py", line 943, in <lambda> 
    29866 logger.report_exception(preface=preface)) 
    29867 File
    29868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29869 packages/chimerax/core/logger.py", line 421, in report_exception 
    29870 elif probably_chimera1_session(exc_info): 
    29871 File
    29872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29873 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29874 etype, evalue, etraceback = exc_info 
    29875 TypeError: cannot unpack non-iterable NoneType object 
    29876  
    29877 TypeError: cannot unpack non-iterable NoneType object 
    29878  
    29879 File
    29880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29881 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29882 etype, evalue, etraceback = exc_info 
    29883  
    29884 See log for complete Python traceback. 
    29885  
    29886 Traceback (most recent call last): 
    29887 File
    29888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29889 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29890 return self._func(self._name, data) 
    29891 File
    29892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29893 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29894 if v.display: 
    29895 File
    29896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29897 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29898 return self._any_displayed_positions and len(self._positions) > 0 
    29899 TypeError: object of type 'NoneType' has no len() 
    29900  
    29901 During handling of the above exception, another exception occurred: 
    29902  
    29903 Traceback (most recent call last): 
    29904 File
    29905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29906 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29907 if not self.draw_new_frame(): 
    29908 File
    29909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29910 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29911 changed = view.check_for_drawing_change() 
    29912 File
    29913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29914 packages/chimerax/core/graphics/view.py", line 252, in
    29915 check_for_drawing_change 
    29916 trig.activate_trigger('graphics update', self) 
    29917 File
    29918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29919 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29920 trigger.activate(data) 
    29921 File
    29922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29923 packages/chimerax/core/triggerset.py", line 190, in activate 
    29924 ret = handler.invoke(data, self._remove_bad_handlers) 
    29925 File
    29926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29927 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29928 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29929 File
    29930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29931 packages/chimerax/core/session.py", line 943, in <lambda> 
    29932 logger.report_exception(preface=preface)) 
    29933 File
    29934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29935 packages/chimerax/core/logger.py", line 421, in report_exception 
    29936 elif probably_chimera1_session(exc_info): 
    29937 File
    29938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29939 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29940 etype, evalue, etraceback = exc_info 
    29941 TypeError: cannot unpack non-iterable NoneType object 
    29942  
    29943 TypeError: cannot unpack non-iterable NoneType object 
    29944  
    29945 File
    29946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29947 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29948 etype, evalue, etraceback = exc_info 
    29949  
    29950 See log for complete Python traceback. 
    29951  
    29952 Traceback (most recent call last): 
    29953 File
    29954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29955 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29956 return self._func(self._name, data) 
    29957 File
    29958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29959 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29960 if v.display: 
    29961 File
    29962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29963 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29964 return self._any_displayed_positions and len(self._positions) > 0 
    29965 TypeError: object of type 'NoneType' has no len() 
    29966  
    29967 During handling of the above exception, another exception occurred: 
    29968  
    29969 Traceback (most recent call last): 
    29970 File
    29971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29972 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29973 if not self.draw_new_frame(): 
    29974 File
    29975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29976 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29977 changed = view.check_for_drawing_change() 
    29978 File
    29979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29980 packages/chimerax/core/graphics/view.py", line 252, in
    29981 check_for_drawing_change 
    29982 trig.activate_trigger('graphics update', self) 
    29983 File
    29984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29985 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29986 trigger.activate(data) 
    29987 File
    29988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29989 packages/chimerax/core/triggerset.py", line 190, in activate 
    29990 ret = handler.invoke(data, self._remove_bad_handlers) 
    29991 File
    29992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29993 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29994 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29995 File
    29996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29997 packages/chimerax/core/session.py", line 943, in <lambda> 
    29998 logger.report_exception(preface=preface)) 
    29999 File
    30000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30001 packages/chimerax/core/logger.py", line 421, in report_exception 
    30002 elif probably_chimera1_session(exc_info): 
    30003 File
    30004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30005 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30006 etype, evalue, etraceback = exc_info 
    30007 TypeError: cannot unpack non-iterable NoneType object 
    30008  
    30009 TypeError: cannot unpack non-iterable NoneType object 
    30010  
    30011 File
    30012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30013 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30014 etype, evalue, etraceback = exc_info 
    30015  
    30016 See log for complete Python traceback. 
    30017  
    30018 Traceback (most recent call last): 
    30019 File
    30020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30021 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30022 return self._func(self._name, data) 
    30023 File
    30024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30025 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30026 if v.display: 
    30027 File
    30028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30029 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30030 return self._any_displayed_positions and len(self._positions) > 0 
    30031 TypeError: object of type 'NoneType' has no len() 
    30032  
    30033 During handling of the above exception, another exception occurred: 
    30034  
    30035 Traceback (most recent call last): 
    30036 File
    30037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30038 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30039 if not self.draw_new_frame(): 
    30040 File
    30041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30042 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30043 changed = view.check_for_drawing_change() 
    30044 File
    30045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30046 packages/chimerax/core/graphics/view.py", line 252, in
    30047 check_for_drawing_change 
    30048 trig.activate_trigger('graphics update', self) 
    30049 File
    30050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30051 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30052 trigger.activate(data) 
    30053 File
    30054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30055 packages/chimerax/core/triggerset.py", line 190, in activate 
    30056 ret = handler.invoke(data, self._remove_bad_handlers) 
    30057 File
    30058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30059 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30060 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30061 File
    30062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30063 packages/chimerax/core/session.py", line 943, in <lambda> 
    30064 logger.report_exception(preface=preface)) 
    30065 File
    30066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30067 packages/chimerax/core/logger.py", line 421, in report_exception 
    30068 elif probably_chimera1_session(exc_info): 
    30069 File
    30070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30071 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30072 etype, evalue, etraceback = exc_info 
    30073 TypeError: cannot unpack non-iterable NoneType object 
    30074  
    30075 TypeError: cannot unpack non-iterable NoneType object 
    30076  
    30077 File
    30078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30079 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30080 etype, evalue, etraceback = exc_info 
    30081  
    30082 See log for complete Python traceback. 
    30083  
    30084 Traceback (most recent call last): 
    30085 File
    30086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30087 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30088 return self._func(self._name, data) 
    30089 File
    30090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30091 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30092 if v.display: 
    30093 File
    30094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30095 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30096 return self._any_displayed_positions and len(self._positions) > 0 
    30097 TypeError: object of type 'NoneType' has no len() 
    30098  
    30099 During handling of the above exception, another exception occurred: 
    30100  
    30101 Traceback (most recent call last): 
    30102 File
    30103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30104 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30105 if not self.draw_new_frame(): 
    30106 File
    30107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30108 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30109 changed = view.check_for_drawing_change() 
    30110 File
    30111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30112 packages/chimerax/core/graphics/view.py", line 252, in
    30113 check_for_drawing_change 
    30114 trig.activate_trigger('graphics update', self) 
    30115 File
    30116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30117 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30118 trigger.activate(data) 
    30119 File
    30120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30121 packages/chimerax/core/triggerset.py", line 190, in activate 
    30122 ret = handler.invoke(data, self._remove_bad_handlers) 
    30123 File
    30124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30125 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30126 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30127 File
    30128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30129 packages/chimerax/core/session.py", line 943, in <lambda> 
    30130 logger.report_exception(preface=preface)) 
    30131 File
    30132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30133 packages/chimerax/core/logger.py", line 421, in report_exception 
    30134 elif probably_chimera1_session(exc_info): 
    30135 File
    30136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30137 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30138 etype, evalue, etraceback = exc_info 
    30139 TypeError: cannot unpack non-iterable NoneType object 
    30140  
    30141 TypeError: cannot unpack non-iterable NoneType object 
    30142  
    30143 File
    30144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30145 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30146 etype, evalue, etraceback = exc_info 
    30147  
    30148 See log for complete Python traceback. 
    30149  
    30150 Traceback (most recent call last): 
    30151 File
    30152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30153 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30154 return self._func(self._name, data) 
    30155 File
    30156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30157 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30158 if v.display: 
    30159 File
    30160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30161 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30162 return self._any_displayed_positions and len(self._positions) > 0 
    30163 TypeError: object of type 'NoneType' has no len() 
    30164  
    30165 During handling of the above exception, another exception occurred: 
    30166  
    30167 Traceback (most recent call last): 
    30168 File
    30169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30170 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30171 if not self.draw_new_frame(): 
    30172 File
    30173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30174 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30175 changed = view.check_for_drawing_change() 
    30176 File
    30177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30178 packages/chimerax/core/graphics/view.py", line 252, in
    30179 check_for_drawing_change 
    30180 trig.activate_trigger('graphics update', self) 
    30181 File
    30182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30183 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30184 trigger.activate(data) 
    30185 File
    30186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30187 packages/chimerax/core/triggerset.py", line 190, in activate 
    30188 ret = handler.invoke(data, self._remove_bad_handlers) 
    30189 File
    30190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30191 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30192 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30193 File
    30194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30195 packages/chimerax/core/session.py", line 943, in <lambda> 
    30196 logger.report_exception(preface=preface)) 
    30197 File
    30198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30199 packages/chimerax/core/logger.py", line 421, in report_exception 
    30200 elif probably_chimera1_session(exc_info): 
    30201 File
    30202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30203 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30204 etype, evalue, etraceback = exc_info 
    30205 TypeError: cannot unpack non-iterable NoneType object 
    30206  
    30207 TypeError: cannot unpack non-iterable NoneType object 
    30208  
    30209 File
    30210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30211 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30212 etype, evalue, etraceback = exc_info 
    30213  
    30214 See log for complete Python traceback. 
    30215  
    30216 Traceback (most recent call last): 
    30217 File
    30218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30219 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30220 return self._func(self._name, data) 
    30221 File
    30222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30223 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30224 if v.display: 
    30225 File
    30226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30227 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30228 return self._any_displayed_positions and len(self._positions) > 0 
    30229 TypeError: object of type 'NoneType' has no len() 
    30230  
    30231 During handling of the above exception, another exception occurred: 
    30232  
    30233 Traceback (most recent call last): 
    30234 File
    30235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30236 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30237 if not self.draw_new_frame(): 
    30238 File
    30239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30240 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30241 changed = view.check_for_drawing_change() 
    30242 File
    30243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30244 packages/chimerax/core/graphics/view.py", line 252, in
    30245 check_for_drawing_change 
    30246 trig.activate_trigger('graphics update', self) 
    30247 File
    30248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30249 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30250 trigger.activate(data) 
    30251 File
    30252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30253 packages/chimerax/core/triggerset.py", line 190, in activate 
    30254 ret = handler.invoke(data, self._remove_bad_handlers) 
    30255 File
    30256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30257 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30258 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30259 File
    30260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30261 packages/chimerax/core/session.py", line 943, in <lambda> 
    30262 logger.report_exception(preface=preface)) 
    30263 File
    30264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30265 packages/chimerax/core/logger.py", line 421, in report_exception 
    30266 elif probably_chimera1_session(exc_info): 
    30267 File
    30268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30269 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30270 etype, evalue, etraceback = exc_info 
    30271 TypeError: cannot unpack non-iterable NoneType object 
    30272  
    30273 TypeError: cannot unpack non-iterable NoneType object 
    30274  
    30275 File
    30276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30277 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30278 etype, evalue, etraceback = exc_info 
    30279  
    30280 See log for complete Python traceback. 
    30281  
    30282 Traceback (most recent call last): 
    30283 File
    30284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30285 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30286 return self._func(self._name, data) 
    30287 File
    30288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30289 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30290 if v.display: 
    30291 File
    30292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30293 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30294 return self._any_displayed_positions and len(self._positions) > 0 
    30295 TypeError: object of type 'NoneType' has no len() 
    30296  
    30297 During handling of the above exception, another exception occurred: 
    30298  
    30299 Traceback (most recent call last): 
    30300 File
    30301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30302 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30303 if not self.draw_new_frame(): 
    30304 File
    30305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30306 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30307 changed = view.check_for_drawing_change() 
    30308 File
    30309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30310 packages/chimerax/core/graphics/view.py", line 252, in
    30311 check_for_drawing_change 
    30312 trig.activate_trigger('graphics update', self) 
    30313 File
    30314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30315 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30316 trigger.activate(data) 
    30317 File
    30318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30319 packages/chimerax/core/triggerset.py", line 190, in activate 
    30320 ret = handler.invoke(data, self._remove_bad_handlers) 
    30321 File
    30322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30323 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30324 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30325 File
    30326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30327 packages/chimerax/core/session.py", line 943, in <lambda> 
    30328 logger.report_exception(preface=preface)) 
    30329 File
    30330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30331 packages/chimerax/core/logger.py", line 421, in report_exception 
    30332 elif probably_chimera1_session(exc_info): 
    30333 File
    30334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30335 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30336 etype, evalue, etraceback = exc_info 
    30337 TypeError: cannot unpack non-iterable NoneType object 
    30338  
    30339 TypeError: cannot unpack non-iterable NoneType object 
    30340  
    30341 File
    30342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30343 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30344 etype, evalue, etraceback = exc_info 
    30345  
    30346 See log for complete Python traceback. 
    30347  
    30348 Traceback (most recent call last): 
    30349 File
    30350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30351 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30352 return self._func(self._name, data) 
    30353 File
    30354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30355 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30356 if v.display: 
    30357 File
    30358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30359 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30360 return self._any_displayed_positions and len(self._positions) > 0 
    30361 TypeError: object of type 'NoneType' has no len() 
    30362  
    30363 During handling of the above exception, another exception occurred: 
    30364  
    30365 Traceback (most recent call last): 
    30366 File
    30367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30368 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30369 if not self.draw_new_frame(): 
    30370 File
    30371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30372 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30373 changed = view.check_for_drawing_change() 
    30374 File
    30375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30376 packages/chimerax/core/graphics/view.py", line 252, in
    30377 check_for_drawing_change 
    30378 trig.activate_trigger('graphics update', self) 
    30379 File
    30380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30381 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30382 trigger.activate(data) 
    30383 File
    30384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30385 packages/chimerax/core/triggerset.py", line 190, in activate 
    30386 ret = handler.invoke(data, self._remove_bad_handlers) 
    30387 File
    30388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30389 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30390 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30391 File
    30392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30393 packages/chimerax/core/session.py", line 943, in <lambda> 
    30394 logger.report_exception(preface=preface)) 
    30395 File
    30396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30397 packages/chimerax/core/logger.py", line 421, in report_exception 
    30398 elif probably_chimera1_session(exc_info): 
    30399 File
    30400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30401 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30402 etype, evalue, etraceback = exc_info 
    30403 TypeError: cannot unpack non-iterable NoneType object 
    30404  
    30405 TypeError: cannot unpack non-iterable NoneType object 
    30406  
    30407 File
    30408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30409 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30410 etype, evalue, etraceback = exc_info 
    30411  
    30412 See log for complete Python traceback. 
    30413  
    30414 Traceback (most recent call last): 
    30415 File
    30416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30417 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30418 return self._func(self._name, data) 
    30419 File
    30420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30421 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30422 if v.display: 
    30423 File
    30424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30425 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30426 return self._any_displayed_positions and len(self._positions) > 0 
    30427 TypeError: object of type 'NoneType' has no len() 
    30428  
    30429 During handling of the above exception, another exception occurred: 
    30430  
    30431 Traceback (most recent call last): 
    30432 File
    30433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30434 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30435 if not self.draw_new_frame(): 
    30436 File
    30437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30438 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30439 changed = view.check_for_drawing_change() 
    30440 File
    30441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30442 packages/chimerax/core/graphics/view.py", line 252, in
    30443 check_for_drawing_change 
    30444 trig.activate_trigger('graphics update', self) 
    30445 File
    30446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30447 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30448 trigger.activate(data) 
    30449 File
    30450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30451 packages/chimerax/core/triggerset.py", line 190, in activate 
    30452 ret = handler.invoke(data, self._remove_bad_handlers) 
    30453 File
    30454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30455 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30456 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30457 File
    30458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30459 packages/chimerax/core/session.py", line 943, in <lambda> 
    30460 logger.report_exception(preface=preface)) 
    30461 File
    30462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30463 packages/chimerax/core/logger.py", line 421, in report_exception 
    30464 elif probably_chimera1_session(exc_info): 
    30465 File
    30466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30467 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30468 etype, evalue, etraceback = exc_info 
    30469 TypeError: cannot unpack non-iterable NoneType object 
    30470  
    30471 TypeError: cannot unpack non-iterable NoneType object 
    30472  
    30473 File
    30474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30475 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30476 etype, evalue, etraceback = exc_info 
    30477  
    30478 See log for complete Python traceback. 
    30479  
    30480 Traceback (most recent call last): 
    30481 File
    30482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30483 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30484 return self._func(self._name, data) 
    30485 File
    30486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30487 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30488 if v.display: 
    30489 File
    30490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30491 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30492 return self._any_displayed_positions and len(self._positions) > 0 
    30493 TypeError: object of type 'NoneType' has no len() 
    30494  
    30495 During handling of the above exception, another exception occurred: 
    30496  
    30497 Traceback (most recent call last): 
    30498 File
    30499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30500 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30501 if not self.draw_new_frame(): 
    30502 File
    30503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30504 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30505 changed = view.check_for_drawing_change() 
    30506 File
    30507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30508 packages/chimerax/core/graphics/view.py", line 252, in
    30509 check_for_drawing_change 
    30510 trig.activate_trigger('graphics update', self) 
    30511 File
    30512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30513 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30514 trigger.activate(data) 
    30515 File
    30516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30517 packages/chimerax/core/triggerset.py", line 190, in activate 
    30518 ret = handler.invoke(data, self._remove_bad_handlers) 
    30519 File
    30520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30521 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30522 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30523 File
    30524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30525 packages/chimerax/core/session.py", line 943, in <lambda> 
    30526 logger.report_exception(preface=preface)) 
    30527 File
    30528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30529 packages/chimerax/core/logger.py", line 421, in report_exception 
    30530 elif probably_chimera1_session(exc_info): 
    30531 File
    30532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30533 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30534 etype, evalue, etraceback = exc_info 
    30535 TypeError: cannot unpack non-iterable NoneType object 
    30536  
    30537 TypeError: cannot unpack non-iterable NoneType object 
    30538  
    30539 File
    30540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30541 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30542 etype, evalue, etraceback = exc_info 
    30543  
    30544 See log for complete Python traceback. 
    30545  
    30546 Traceback (most recent call last): 
    30547 File
    30548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30549 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30550 return self._func(self._name, data) 
    30551 File
    30552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30553 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30554 if v.display: 
    30555 File
    30556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30557 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30558 return self._any_displayed_positions and len(self._positions) > 0 
    30559 TypeError: object of type 'NoneType' has no len() 
    30560  
    30561 During handling of the above exception, another exception occurred: 
    30562  
    30563 Traceback (most recent call last): 
    30564 File
    30565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30566 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30567 if not self.draw_new_frame(): 
    30568 File
    30569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30570 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30571 changed = view.check_for_drawing_change() 
    30572 File
    30573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30574 packages/chimerax/core/graphics/view.py", line 252, in
    30575 check_for_drawing_change 
    30576 trig.activate_trigger('graphics update', self) 
    30577 File
    30578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30579 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30580 trigger.activate(data) 
    30581 File
    30582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30583 packages/chimerax/core/triggerset.py", line 190, in activate 
    30584 ret = handler.invoke(data, self._remove_bad_handlers) 
    30585 File
    30586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30587 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30588 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30589 File
    30590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30591 packages/chimerax/core/session.py", line 943, in <lambda> 
    30592 logger.report_exception(preface=preface)) 
    30593 File
    30594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30595 packages/chimerax/core/logger.py", line 421, in report_exception 
    30596 elif probably_chimera1_session(exc_info): 
    30597 File
    30598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30599 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30600 etype, evalue, etraceback = exc_info 
    30601 TypeError: cannot unpack non-iterable NoneType object 
    30602  
    30603 TypeError: cannot unpack non-iterable NoneType object 
    30604  
    30605 File
    30606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30607 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30608 etype, evalue, etraceback = exc_info 
    30609  
    30610 See log for complete Python traceback. 
    30611  
    30612 Traceback (most recent call last): 
    30613 File
    30614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30615 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30616 return self._func(self._name, data) 
    30617 File
    30618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30619 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30620 if v.display: 
    30621 File
    30622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30623 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30624 return self._any_displayed_positions and len(self._positions) > 0 
    30625 TypeError: object of type 'NoneType' has no len() 
    30626  
    30627 During handling of the above exception, another exception occurred: 
    30628  
    30629 Traceback (most recent call last): 
    30630 File
    30631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30632 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30633 if not self.draw_new_frame(): 
    30634 File
    30635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30636 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30637 changed = view.check_for_drawing_change() 
    30638 File
    30639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30640 packages/chimerax/core/graphics/view.py", line 252, in
    30641 check_for_drawing_change 
    30642 trig.activate_trigger('graphics update', self) 
    30643 File
    30644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30645 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30646 trigger.activate(data) 
    30647 File
    30648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30649 packages/chimerax/core/triggerset.py", line 190, in activate 
    30650 ret = handler.invoke(data, self._remove_bad_handlers) 
    30651 File
    30652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30653 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30654 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30655 File
    30656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30657 packages/chimerax/core/session.py", line 943, in <lambda> 
    30658 logger.report_exception(preface=preface)) 
    30659 File
    30660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30661 packages/chimerax/core/logger.py", line 421, in report_exception 
    30662 elif probably_chimera1_session(exc_info): 
    30663 File
    30664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30665 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30666 etype, evalue, etraceback = exc_info 
    30667 TypeError: cannot unpack non-iterable NoneType object 
    30668  
    30669 TypeError: cannot unpack non-iterable NoneType object 
    30670  
    30671 File
    30672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30673 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30674 etype, evalue, etraceback = exc_info 
    30675  
    30676 See log for complete Python traceback. 
    30677  
    30678 Traceback (most recent call last): 
    30679 File
    30680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30681 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30682 return self._func(self._name, data) 
    30683 File
    30684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30685 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30686 if v.display: 
    30687 File
    30688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30689 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30690 return self._any_displayed_positions and len(self._positions) > 0 
    30691 TypeError: object of type 'NoneType' has no len() 
    30692  
    30693 During handling of the above exception, another exception occurred: 
    30694  
    30695 Traceback (most recent call last): 
    30696 File
    30697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30698 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30699 if not self.draw_new_frame(): 
    30700 File
    30701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30702 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30703 changed = view.check_for_drawing_change() 
    30704 File
    30705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30706 packages/chimerax/core/graphics/view.py", line 252, in
    30707 check_for_drawing_change 
    30708 trig.activate_trigger('graphics update', self) 
    30709 File
    30710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30711 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30712 trigger.activate(data) 
    30713 File
    30714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30715 packages/chimerax/core/triggerset.py", line 190, in activate 
    30716 ret = handler.invoke(data, self._remove_bad_handlers) 
    30717 File
    30718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30719 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30720 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30721 File
    30722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30723 packages/chimerax/core/session.py", line 943, in <lambda> 
    30724 logger.report_exception(preface=preface)) 
    30725 File
    30726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30727 packages/chimerax/core/logger.py", line 421, in report_exception 
    30728 elif probably_chimera1_session(exc_info): 
    30729 File
    30730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30731 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30732 etype, evalue, etraceback = exc_info 
    30733 TypeError: cannot unpack non-iterable NoneType object 
    30734  
    30735 TypeError: cannot unpack non-iterable NoneType object 
    30736  
    30737 File
    30738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30739 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30740 etype, evalue, etraceback = exc_info 
    30741  
    30742 See log for complete Python traceback. 
    30743  
    30744 Traceback (most recent call last): 
    30745 File
    30746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30747 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30748 return self._func(self._name, data) 
    30749 File
    30750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30751 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30752 if v.display: 
    30753 File
    30754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30755 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30756 return self._any_displayed_positions and len(self._positions) > 0 
    30757 TypeError: object of type 'NoneType' has no len() 
    30758  
    30759 During handling of the above exception, another exception occurred: 
    30760  
    30761 Traceback (most recent call last): 
    30762 File
    30763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30764 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30765 if not self.draw_new_frame(): 
    30766 File
    30767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30768 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30769 changed = view.check_for_drawing_change() 
    30770 File
    30771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30772 packages/chimerax/core/graphics/view.py", line 252, in
    30773 check_for_drawing_change 
    30774 trig.activate_trigger('graphics update', self) 
    30775 File
    30776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30777 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30778 trigger.activate(data) 
    30779 File
    30780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30781 packages/chimerax/core/triggerset.py", line 190, in activate 
    30782 ret = handler.invoke(data, self._remove_bad_handlers) 
    30783 File
    30784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30785 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30786 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30787 File
    30788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30789 packages/chimerax/core/session.py", line 943, in <lambda> 
    30790 logger.report_exception(preface=preface)) 
    30791 File
    30792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30793 packages/chimerax/core/logger.py", line 421, in report_exception 
    30794 elif probably_chimera1_session(exc_info): 
    30795 File
    30796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30797 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30798 etype, evalue, etraceback = exc_info 
    30799 TypeError: cannot unpack non-iterable NoneType object 
    30800  
    30801 TypeError: cannot unpack non-iterable NoneType object 
    30802  
    30803 File
    30804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30805 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30806 etype, evalue, etraceback = exc_info 
    30807  
    30808 See log for complete Python traceback. 
    30809  
    30810 Traceback (most recent call last): 
    30811 File
    30812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30813 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30814 return self._func(self._name, data) 
    30815 File
    30816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30817 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30818 if v.display: 
    30819 File
    30820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30821 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30822 return self._any_displayed_positions and len(self._positions) > 0 
    30823 TypeError: object of type 'NoneType' has no len() 
    30824  
    30825 During handling of the above exception, another exception occurred: 
    30826  
    30827 Traceback (most recent call last): 
    30828 File
    30829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30830 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30831 if not self.draw_new_frame(): 
    30832 File
    30833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30834 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30835 changed = view.check_for_drawing_change() 
    30836 File
    30837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30838 packages/chimerax/core/graphics/view.py", line 252, in
    30839 check_for_drawing_change 
    30840 trig.activate_trigger('graphics update', self) 
    30841 File
    30842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30843 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30844 trigger.activate(data) 
    30845 File
    30846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30847 packages/chimerax/core/triggerset.py", line 190, in activate 
    30848 ret = handler.invoke(data, self._remove_bad_handlers) 
    30849 File
    30850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30851 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30852 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30853 File
    30854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30855 packages/chimerax/core/session.py", line 943, in <lambda> 
    30856 logger.report_exception(preface=preface)) 
    30857 File
    30858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30859 packages/chimerax/core/logger.py", line 421, in report_exception 
    30860 elif probably_chimera1_session(exc_info): 
    30861 File
    30862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30863 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30864 etype, evalue, etraceback = exc_info 
    30865 TypeError: cannot unpack non-iterable NoneType object 
    30866  
    30867 TypeError: cannot unpack non-iterable NoneType object 
    30868  
    30869 File
    30870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30871 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30872 etype, evalue, etraceback = exc_info 
    30873  
    30874 See log for complete Python traceback. 
    30875  
    30876 Traceback (most recent call last): 
    30877 File
    30878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30879 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30880 return self._func(self._name, data) 
    30881 File
    30882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30883 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30884 if v.display: 
    30885 File
    30886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30887 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30888 return self._any_displayed_positions and len(self._positions) > 0 
    30889 TypeError: object of type 'NoneType' has no len() 
    30890  
    30891 During handling of the above exception, another exception occurred: 
    30892  
    30893 Traceback (most recent call last): 
    30894 File
    30895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30896 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30897 if not self.draw_new_frame(): 
    30898 File
    30899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30900 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30901 changed = view.check_for_drawing_change() 
    30902 File
    30903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30904 packages/chimerax/core/graphics/view.py", line 252, in
    30905 check_for_drawing_change 
    30906 trig.activate_trigger('graphics update', self) 
    30907 File
    30908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30909 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30910 trigger.activate(data) 
    30911 File
    30912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30913 packages/chimerax/core/triggerset.py", line 190, in activate 
    30914 ret = handler.invoke(data, self._remove_bad_handlers) 
    30915 File
    30916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30917 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30918 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30919 File
    30920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30921 packages/chimerax/core/session.py", line 943, in <lambda> 
    30922 logger.report_exception(preface=preface)) 
    30923 File
    30924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30925 packages/chimerax/core/logger.py", line 421, in report_exception 
    30926 elif probably_chimera1_session(exc_info): 
    30927 File
    30928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30929 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30930 etype, evalue, etraceback = exc_info 
    30931 TypeError: cannot unpack non-iterable NoneType object 
    30932  
    30933 TypeError: cannot unpack non-iterable NoneType object 
    30934  
    30935 File
    30936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30937 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30938 etype, evalue, etraceback = exc_info 
    30939  
    30940 See log for complete Python traceback. 
    30941  
    30942 Traceback (most recent call last): 
    30943 File
    30944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30945 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30946 return self._func(self._name, data) 
    30947 File
    30948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30949 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30950 if v.display: 
    30951 File
    30952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30953 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30954 return self._any_displayed_positions and len(self._positions) > 0 
    30955 TypeError: object of type 'NoneType' has no len() 
    30956  
    30957 During handling of the above exception, another exception occurred: 
    30958  
    30959 Traceback (most recent call last): 
    30960 File
    30961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30962 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30963 if not self.draw_new_frame(): 
    30964 File
    30965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30966 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30967 changed = view.check_for_drawing_change() 
    30968 File
    30969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30970 packages/chimerax/core/graphics/view.py", line 252, in
    30971 check_for_drawing_change 
    30972 trig.activate_trigger('graphics update', self) 
    30973 File
    30974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30975 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30976 trigger.activate(data) 
    30977 File
    30978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30979 packages/chimerax/core/triggerset.py", line 190, in activate 
    30980 ret = handler.invoke(data, self._remove_bad_handlers) 
    30981 File
    30982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30983 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30984 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30985 File
    30986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30987 packages/chimerax/core/session.py", line 943, in <lambda> 
    30988 logger.report_exception(preface=preface)) 
    30989 File
    30990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30991 packages/chimerax/core/logger.py", line 421, in report_exception 
    30992 elif probably_chimera1_session(exc_info): 
    30993 File
    30994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30995 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30996 etype, evalue, etraceback = exc_info 
    30997 TypeError: cannot unpack non-iterable NoneType object 
    30998  
    30999 TypeError: cannot unpack non-iterable NoneType object 
    31000  
    31001 File
    31002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31003 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31004 etype, evalue, etraceback = exc_info 
    31005  
    31006 See log for complete Python traceback. 
    31007  
    31008 Traceback (most recent call last): 
    31009 File
    31010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31011 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31012 return self._func(self._name, data) 
    31013 File
    31014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31015 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31016 if v.display: 
    31017 File
    31018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31019 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31020 return self._any_displayed_positions and len(self._positions) > 0 
    31021 TypeError: object of type 'NoneType' has no len() 
    31022  
    31023 During handling of the above exception, another exception occurred: 
    31024  
    31025 Traceback (most recent call last): 
    31026 File
    31027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31028 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31029 if not self.draw_new_frame(): 
    31030 File
    31031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31032 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31033 changed = view.check_for_drawing_change() 
    31034 File
    31035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31036 packages/chimerax/core/graphics/view.py", line 252, in
    31037 check_for_drawing_change 
    31038 trig.activate_trigger('graphics update', self) 
    31039 File
    31040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31041 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31042 trigger.activate(data) 
    31043 File
    31044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31045 packages/chimerax/core/triggerset.py", line 190, in activate 
    31046 ret = handler.invoke(data, self._remove_bad_handlers) 
    31047 File
    31048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31049 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31050 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31051 File
    31052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31053 packages/chimerax/core/session.py", line 943, in <lambda> 
    31054 logger.report_exception(preface=preface)) 
    31055 File
    31056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31057 packages/chimerax/core/logger.py", line 421, in report_exception 
    31058 elif probably_chimera1_session(exc_info): 
    31059 File
    31060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31061 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31062 etype, evalue, etraceback = exc_info 
    31063 TypeError: cannot unpack non-iterable NoneType object 
    31064  
    31065 TypeError: cannot unpack non-iterable NoneType object 
    31066  
    31067 File
    31068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31069 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31070 etype, evalue, etraceback = exc_info 
    31071  
    31072 See log for complete Python traceback. 
    31073  
    31074 Traceback (most recent call last): 
    31075 File
    31076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31077 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31078 return self._func(self._name, data) 
    31079 File
    31080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31081 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31082 if v.display: 
    31083 File
    31084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31085 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31086 return self._any_displayed_positions and len(self._positions) > 0 
    31087 TypeError: object of type 'NoneType' has no len() 
    31088  
    31089 During handling of the above exception, another exception occurred: 
    31090  
    31091 Traceback (most recent call last): 
    31092 File
    31093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31094 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31095 if not self.draw_new_frame(): 
    31096 File
    31097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31098 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31099 changed = view.check_for_drawing_change() 
    31100 File
    31101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31102 packages/chimerax/core/graphics/view.py", line 252, in
    31103 check_for_drawing_change 
    31104 trig.activate_trigger('graphics update', self) 
    31105 File
    31106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31107 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31108 trigger.activate(data) 
    31109 File
    31110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31111 packages/chimerax/core/triggerset.py", line 190, in activate 
    31112 ret = handler.invoke(data, self._remove_bad_handlers) 
    31113 File
    31114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31115 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31116 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31117 File
    31118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31119 packages/chimerax/core/session.py", line 943, in <lambda> 
    31120 logger.report_exception(preface=preface)) 
    31121 File
    31122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31123 packages/chimerax/core/logger.py", line 421, in report_exception 
    31124 elif probably_chimera1_session(exc_info): 
    31125 File
    31126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31127 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31128 etype, evalue, etraceback = exc_info 
    31129 TypeError: cannot unpack non-iterable NoneType object 
    31130  
    31131 TypeError: cannot unpack non-iterable NoneType object 
    31132  
    31133 File
    31134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31135 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31136 etype, evalue, etraceback = exc_info 
    31137  
    31138 See log for complete Python traceback. 
    31139  
    31140 Traceback (most recent call last): 
    31141 File
    31142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31143 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31144 return self._func(self._name, data) 
    31145 File
    31146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31147 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31148 if v.display: 
    31149 File
    31150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31151 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31152 return self._any_displayed_positions and len(self._positions) > 0 
    31153 TypeError: object of type 'NoneType' has no len() 
    31154  
    31155 During handling of the above exception, another exception occurred: 
    31156  
    31157 Traceback (most recent call last): 
    31158 File
    31159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31160 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31161 if not self.draw_new_frame(): 
    31162 File
    31163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31164 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31165 changed = view.check_for_drawing_change() 
    31166 File
    31167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31168 packages/chimerax/core/graphics/view.py", line 252, in
    31169 check_for_drawing_change 
    31170 trig.activate_trigger('graphics update', self) 
    31171 File
    31172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31173 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31174 trigger.activate(data) 
    31175 File
    31176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31177 packages/chimerax/core/triggerset.py", line 190, in activate 
    31178 ret = handler.invoke(data, self._remove_bad_handlers) 
    31179 File
    31180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31181 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31182 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31183 File
    31184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31185 packages/chimerax/core/session.py", line 943, in <lambda> 
    31186 logger.report_exception(preface=preface)) 
    31187 File
    31188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31189 packages/chimerax/core/logger.py", line 421, in report_exception 
    31190 elif probably_chimera1_session(exc_info): 
    31191 File
    31192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31193 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31194 etype, evalue, etraceback = exc_info 
    31195 TypeError: cannot unpack non-iterable NoneType object 
    31196  
    31197 TypeError: cannot unpack non-iterable NoneType object 
    31198  
    31199 File
    31200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31201 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31202 etype, evalue, etraceback = exc_info 
    31203  
    31204 See log for complete Python traceback. 
    31205  
    31206 Traceback (most recent call last): 
    31207 File
    31208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31209 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31210 return self._func(self._name, data) 
    31211 File
    31212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31213 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31214 if v.display: 
    31215 File
    31216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31217 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31218 return self._any_displayed_positions and len(self._positions) > 0 
    31219 TypeError: object of type 'NoneType' has no len() 
    31220  
    31221 During handling of the above exception, another exception occurred: 
    31222  
    31223 Traceback (most recent call last): 
    31224 File
    31225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31226 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31227 if not self.draw_new_frame(): 
    31228 File
    31229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31230 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31231 changed = view.check_for_drawing_change() 
    31232 File
    31233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31234 packages/chimerax/core/graphics/view.py", line 252, in
    31235 check_for_drawing_change 
    31236 trig.activate_trigger('graphics update', self) 
    31237 File
    31238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31239 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31240 trigger.activate(data) 
    31241 File
    31242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31243 packages/chimerax/core/triggerset.py", line 190, in activate 
    31244 ret = handler.invoke(data, self._remove_bad_handlers) 
    31245 File
    31246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31247 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31248 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31249 File
    31250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31251 packages/chimerax/core/session.py", line 943, in <lambda> 
    31252 logger.report_exception(preface=preface)) 
    31253 File
    31254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31255 packages/chimerax/core/logger.py", line 421, in report_exception 
    31256 elif probably_chimera1_session(exc_info): 
    31257 File
    31258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31259 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31260 etype, evalue, etraceback = exc_info 
    31261 TypeError: cannot unpack non-iterable NoneType object 
    31262  
    31263 TypeError: cannot unpack non-iterable NoneType object 
    31264  
    31265 File
    31266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31267 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31268 etype, evalue, etraceback = exc_info 
    31269  
    31270 See log for complete Python traceback. 
    31271  
    31272 Traceback (most recent call last): 
    31273 File
    31274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31275 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31276 return self._func(self._name, data) 
    31277 File
    31278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31279 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31280 if v.display: 
    31281 File
    31282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31283 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31284 return self._any_displayed_positions and len(self._positions) > 0 
    31285 TypeError: object of type 'NoneType' has no len() 
    31286  
    31287 During handling of the above exception, another exception occurred: 
    31288  
    31289 Traceback (most recent call last): 
    31290 File
    31291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31292 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31293 if not self.draw_new_frame(): 
    31294 File
    31295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31296 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31297 changed = view.check_for_drawing_change() 
    31298 File
    31299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31300 packages/chimerax/core/graphics/view.py", line 252, in
    31301 check_for_drawing_change 
    31302 trig.activate_trigger('graphics update', self) 
    31303 File
    31304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31305 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31306 trigger.activate(data) 
    31307 File
    31308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31309 packages/chimerax/core/triggerset.py", line 190, in activate 
    31310 ret = handler.invoke(data, self._remove_bad_handlers) 
    31311 File
    31312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31313 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31314 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31315 File
    31316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31317 packages/chimerax/core/session.py", line 943, in <lambda> 
    31318 logger.report_exception(preface=preface)) 
    31319 File
    31320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31321 packages/chimerax/core/logger.py", line 421, in report_exception 
    31322 elif probably_chimera1_session(exc_info): 
    31323 File
    31324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31325 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31326 etype, evalue, etraceback = exc_info 
    31327 TypeError: cannot unpack non-iterable NoneType object 
    31328  
    31329 TypeError: cannot unpack non-iterable NoneType object 
    31330  
    31331 File
    31332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31333 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31334 etype, evalue, etraceback = exc_info 
    31335  
    31336 See log for complete Python traceback. 
    31337  
    31338 Traceback (most recent call last): 
    31339 File
    31340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31341 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31342 return self._func(self._name, data) 
    31343 File
    31344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31345 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31346 if v.display: 
    31347 File
    31348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31349 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31350 return self._any_displayed_positions and len(self._positions) > 0 
    31351 TypeError: object of type 'NoneType' has no len() 
    31352  
    31353 During handling of the above exception, another exception occurred: 
    31354  
    31355 Traceback (most recent call last): 
    31356 File
    31357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31358 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31359 if not self.draw_new_frame(): 
    31360 File
    31361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31362 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31363 changed = view.check_for_drawing_change() 
    31364 File
    31365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31366 packages/chimerax/core/graphics/view.py", line 252, in
    31367 check_for_drawing_change 
    31368 trig.activate_trigger('graphics update', self) 
    31369 File
    31370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31371 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31372 trigger.activate(data) 
    31373 File
    31374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31375 packages/chimerax/core/triggerset.py", line 190, in activate 
    31376 ret = handler.invoke(data, self._remove_bad_handlers) 
    31377 File
    31378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31379 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31380 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31381 File
    31382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31383 packages/chimerax/core/session.py", line 943, in <lambda> 
    31384 logger.report_exception(preface=preface)) 
    31385 File
    31386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31387 packages/chimerax/core/logger.py", line 421, in report_exception 
    31388 elif probably_chimera1_session(exc_info): 
    31389 File
    31390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31391 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31392 etype, evalue, etraceback = exc_info 
    31393 TypeError: cannot unpack non-iterable NoneType object 
    31394  
    31395 TypeError: cannot unpack non-iterable NoneType object 
    31396  
    31397 File
    31398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31399 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31400 etype, evalue, etraceback = exc_info 
    31401  
    31402 See log for complete Python traceback. 
    31403  
    31404 Traceback (most recent call last): 
    31405 File
    31406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31407 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31408 return self._func(self._name, data) 
    31409 File
    31410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31411 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31412 if v.display: 
    31413 File
    31414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31415 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31416 return self._any_displayed_positions and len(self._positions) > 0 
    31417 TypeError: object of type 'NoneType' has no len() 
    31418  
    31419 During handling of the above exception, another exception occurred: 
    31420  
    31421 Traceback (most recent call last): 
    31422 File
    31423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31424 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31425 if not self.draw_new_frame(): 
    31426 File
    31427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31428 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31429 changed = view.check_for_drawing_change() 
    31430 File
    31431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31432 packages/chimerax/core/graphics/view.py", line 252, in
    31433 check_for_drawing_change 
    31434 trig.activate_trigger('graphics update', self) 
    31435 File
    31436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31437 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31438 trigger.activate(data) 
    31439 File
    31440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31441 packages/chimerax/core/triggerset.py", line 190, in activate 
    31442 ret = handler.invoke(data, self._remove_bad_handlers) 
    31443 File
    31444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31445 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31446 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31447 File
    31448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31449 packages/chimerax/core/session.py", line 943, in <lambda> 
    31450 logger.report_exception(preface=preface)) 
    31451 File
    31452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31453 packages/chimerax/core/logger.py", line 421, in report_exception 
    31454 elif probably_chimera1_session(exc_info): 
    31455 File
    31456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31457 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31458 etype, evalue, etraceback = exc_info 
    31459 TypeError: cannot unpack non-iterable NoneType object 
    31460  
    31461 TypeError: cannot unpack non-iterable NoneType object 
    31462  
    31463 File
    31464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31465 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31466 etype, evalue, etraceback = exc_info 
    31467  
    31468 See log for complete Python traceback. 
    31469  
    31470 Traceback (most recent call last): 
    31471 File
    31472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31473 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31474 return self._func(self._name, data) 
    31475 File
    31476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31477 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31478 if v.display: 
    31479 File
    31480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31481 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31482 return self._any_displayed_positions and len(self._positions) > 0 
    31483 TypeError: object of type 'NoneType' has no len() 
    31484  
    31485 During handling of the above exception, another exception occurred: 
    31486  
    31487 Traceback (most recent call last): 
    31488 File
    31489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31490 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31491 if not self.draw_new_frame(): 
    31492 File
    31493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31494 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31495 changed = view.check_for_drawing_change() 
    31496 File
    31497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31498 packages/chimerax/core/graphics/view.py", line 252, in
    31499 check_for_drawing_change 
    31500 trig.activate_trigger('graphics update', self) 
    31501 File
    31502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31503 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31504 trigger.activate(data) 
    31505 File
    31506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31507 packages/chimerax/core/triggerset.py", line 190, in activate 
    31508 ret = handler.invoke(data, self._remove_bad_handlers) 
    31509 File
    31510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31511 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31512 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31513 File
    31514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31515 packages/chimerax/core/session.py", line 943, in <lambda> 
    31516 logger.report_exception(preface=preface)) 
    31517 File
    31518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31519 packages/chimerax/core/logger.py", line 421, in report_exception 
    31520 elif probably_chimera1_session(exc_info): 
    31521 File
    31522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31523 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31524 etype, evalue, etraceback = exc_info 
    31525 TypeError: cannot unpack non-iterable NoneType object 
    31526  
    31527 TypeError: cannot unpack non-iterable NoneType object 
    31528  
    31529 File
    31530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31531 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31532 etype, evalue, etraceback = exc_info 
    31533  
    31534 See log for complete Python traceback. 
    31535  
    31536 Traceback (most recent call last): 
    31537 File
    31538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31539 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31540 return self._func(self._name, data) 
    31541 File
    31542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31543 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31544 if v.display: 
    31545 File
    31546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31547 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31548 return self._any_displayed_positions and len(self._positions) > 0 
    31549 TypeError: object of type 'NoneType' has no len() 
    31550  
    31551 During handling of the above exception, another exception occurred: 
    31552  
    31553 Traceback (most recent call last): 
    31554 File
    31555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31556 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31557 if not self.draw_new_frame(): 
    31558 File
    31559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31560 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31561 changed = view.check_for_drawing_change() 
    31562 File
    31563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31564 packages/chimerax/core/graphics/view.py", line 252, in
    31565 check_for_drawing_change 
    31566 trig.activate_trigger('graphics update', self) 
    31567 File
    31568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31569 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31570 trigger.activate(data) 
    31571 File
    31572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31573 packages/chimerax/core/triggerset.py", line 190, in activate 
    31574 ret = handler.invoke(data, self._remove_bad_handlers) 
    31575 File
    31576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31577 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31578 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31579 File
    31580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31581 packages/chimerax/core/session.py", line 943, in <lambda> 
    31582 logger.report_exception(preface=preface)) 
    31583 File
    31584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31585 packages/chimerax/core/logger.py", line 421, in report_exception 
    31586 elif probably_chimera1_session(exc_info): 
    31587 File
    31588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31589 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31590 etype, evalue, etraceback = exc_info 
    31591 TypeError: cannot unpack non-iterable NoneType object 
    31592  
    31593 TypeError: cannot unpack non-iterable NoneType object 
    31594  
    31595 File
    31596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31597 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31598 etype, evalue, etraceback = exc_info 
    31599  
    31600 See log for complete Python traceback. 
    31601  
    31602 Traceback (most recent call last): 
    31603 File
    31604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31605 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31606 return self._func(self._name, data) 
    31607 File
    31608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31609 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31610 if v.display: 
    31611 File
    31612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31613 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31614 return self._any_displayed_positions and len(self._positions) > 0 
    31615 TypeError: object of type 'NoneType' has no len() 
    31616  
    31617 During handling of the above exception, another exception occurred: 
    31618  
    31619 Traceback (most recent call last): 
    31620 File
    31621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31622 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31623 if not self.draw_new_frame(): 
    31624 File
    31625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31626 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31627 changed = view.check_for_drawing_change() 
    31628 File
    31629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31630 packages/chimerax/core/graphics/view.py", line 252, in
    31631 check_for_drawing_change 
    31632 trig.activate_trigger('graphics update', self) 
    31633 File
    31634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31635 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31636 trigger.activate(data) 
    31637 File
    31638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31639 packages/chimerax/core/triggerset.py", line 190, in activate 
    31640 ret = handler.invoke(data, self._remove_bad_handlers) 
    31641 File
    31642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31643 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31644 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31645 File
    31646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31647 packages/chimerax/core/session.py", line 943, in <lambda> 
    31648 logger.report_exception(preface=preface)) 
    31649 File
    31650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31651 packages/chimerax/core/logger.py", line 421, in report_exception 
    31652 elif probably_chimera1_session(exc_info): 
    31653 File
    31654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31655 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31656 etype, evalue, etraceback = exc_info 
    31657 TypeError: cannot unpack non-iterable NoneType object 
    31658  
    31659 TypeError: cannot unpack non-iterable NoneType object 
    31660  
    31661 File
    31662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31663 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31664 etype, evalue, etraceback = exc_info 
    31665  
    31666 See log for complete Python traceback. 
    31667  
    31668 Traceback (most recent call last): 
    31669 File
    31670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31671 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31672 return self._func(self._name, data) 
    31673 File
    31674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31675 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31676 if v.display: 
    31677 File
    31678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31679 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31680 return self._any_displayed_positions and len(self._positions) > 0 
    31681 TypeError: object of type 'NoneType' has no len() 
    31682  
    31683 During handling of the above exception, another exception occurred: 
    31684  
    31685 Traceback (most recent call last): 
    31686 File
    31687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31688 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31689 if not self.draw_new_frame(): 
    31690 File
    31691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31692 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31693 changed = view.check_for_drawing_change() 
    31694 File
    31695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31696 packages/chimerax/core/graphics/view.py", line 252, in
    31697 check_for_drawing_change 
    31698 trig.activate_trigger('graphics update', self) 
    31699 File
    31700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31701 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31702 trigger.activate(data) 
    31703 File
    31704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31705 packages/chimerax/core/triggerset.py", line 190, in activate 
    31706 ret = handler.invoke(data, self._remove_bad_handlers) 
    31707 File
    31708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31709 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31710 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31711 File
    31712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31713 packages/chimerax/core/session.py", line 943, in <lambda> 
    31714 logger.report_exception(preface=preface)) 
    31715 File
    31716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31717 packages/chimerax/core/logger.py", line 421, in report_exception 
    31718 elif probably_chimera1_session(exc_info): 
    31719 File
    31720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31721 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31722 etype, evalue, etraceback = exc_info 
    31723 TypeError: cannot unpack non-iterable NoneType object 
    31724  
    31725 TypeError: cannot unpack non-iterable NoneType object 
    31726  
    31727 File
    31728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31729 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31730 etype, evalue, etraceback = exc_info 
    31731  
    31732 See log for complete Python traceback. 
    31733  
    31734 Traceback (most recent call last): 
    31735 File
    31736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31737 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31738 return self._func(self._name, data) 
    31739 File
    31740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31741 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31742 if v.display: 
    31743 File
    31744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31745 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31746 return self._any_displayed_positions and len(self._positions) > 0 
    31747 TypeError: object of type 'NoneType' has no len() 
    31748  
    31749 During handling of the above exception, another exception occurred: 
    31750  
    31751 Traceback (most recent call last): 
    31752 File
    31753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31754 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31755 if not self.draw_new_frame(): 
    31756 File
    31757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31758 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31759 changed = view.check_for_drawing_change() 
    31760 File
    31761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31762 packages/chimerax/core/graphics/view.py", line 252, in
    31763 check_for_drawing_change 
    31764 trig.activate_trigger('graphics update', self) 
    31765 File
    31766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31767 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31768 trigger.activate(data) 
    31769 File
    31770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31771 packages/chimerax/core/triggerset.py", line 190, in activate 
    31772 ret = handler.invoke(data, self._remove_bad_handlers) 
    31773 File
    31774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31775 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31776 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31777 File
    31778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31779 packages/chimerax/core/session.py", line 943, in <lambda> 
    31780 logger.report_exception(preface=preface)) 
    31781 File
    31782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31783 packages/chimerax/core/logger.py", line 421, in report_exception 
    31784 elif probably_chimera1_session(exc_info): 
    31785 File
    31786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31787 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31788 etype, evalue, etraceback = exc_info 
    31789 TypeError: cannot unpack non-iterable NoneType object 
    31790  
    31791 TypeError: cannot unpack non-iterable NoneType object 
    31792  
    31793 File
    31794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31795 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31796 etype, evalue, etraceback = exc_info 
    31797  
    31798 See log for complete Python traceback. 
    31799  
    31800 Traceback (most recent call last): 
    31801 File
    31802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31803 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31804 return self._func(self._name, data) 
    31805 File
    31806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31807 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31808 if v.display: 
    31809 File
    31810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31811 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31812 return self._any_displayed_positions and len(self._positions) > 0 
    31813 TypeError: object of type 'NoneType' has no len() 
    31814  
    31815 During handling of the above exception, another exception occurred: 
    31816  
    31817 Traceback (most recent call last): 
    31818 File
    31819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31820 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31821 if not self.draw_new_frame(): 
    31822 File
    31823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31824 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31825 changed = view.check_for_drawing_change() 
    31826 File
    31827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31828 packages/chimerax/core/graphics/view.py", line 252, in
    31829 check_for_drawing_change 
    31830 trig.activate_trigger('graphics update', self) 
    31831 File
    31832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31833 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31834 trigger.activate(data) 
    31835 File
    31836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31837 packages/chimerax/core/triggerset.py", line 190, in activate 
    31838 ret = handler.invoke(data, self._remove_bad_handlers) 
    31839 File
    31840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31841 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31842 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31843 File
    31844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31845 packages/chimerax/core/session.py", line 943, in <lambda> 
    31846 logger.report_exception(preface=preface)) 
    31847 File
    31848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31849 packages/chimerax/core/logger.py", line 421, in report_exception 
    31850 elif probably_chimera1_session(exc_info): 
    31851 File
    31852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31853 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31854 etype, evalue, etraceback = exc_info 
    31855 TypeError: cannot unpack non-iterable NoneType object 
    31856  
    31857 TypeError: cannot unpack non-iterable NoneType object 
    31858  
    31859 File
    31860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31861 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31862 etype, evalue, etraceback = exc_info 
    31863  
    31864 See log for complete Python traceback. 
    31865  
    31866 Traceback (most recent call last): 
    31867 File
    31868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31869 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31870 return self._func(self._name, data) 
    31871 File
    31872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31873 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31874 if v.display: 
    31875 File
    31876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31877 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31878 return self._any_displayed_positions and len(self._positions) > 0 
    31879 TypeError: object of type 'NoneType' has no len() 
    31880  
    31881 During handling of the above exception, another exception occurred: 
    31882  
    31883 Traceback (most recent call last): 
    31884 File
    31885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31886 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31887 if not self.draw_new_frame(): 
    31888 File
    31889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31890 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31891 changed = view.check_for_drawing_change() 
    31892 File
    31893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31894 packages/chimerax/core/graphics/view.py", line 252, in
    31895 check_for_drawing_change 
    31896 trig.activate_trigger('graphics update', self) 
    31897 File
    31898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31899 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31900 trigger.activate(data) 
    31901 File
    31902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31903 packages/chimerax/core/triggerset.py", line 190, in activate 
    31904 ret = handler.invoke(data, self._remove_bad_handlers) 
    31905 File
    31906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31907 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31908 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31909 File
    31910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31911 packages/chimerax/core/session.py", line 943, in <lambda> 
    31912 logger.report_exception(preface=preface)) 
    31913 File
    31914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31915 packages/chimerax/core/logger.py", line 421, in report_exception 
    31916 elif probably_chimera1_session(exc_info): 
    31917 File
    31918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31919 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31920 etype, evalue, etraceback = exc_info 
    31921 TypeError: cannot unpack non-iterable NoneType object 
    31922  
    31923 TypeError: cannot unpack non-iterable NoneType object 
    31924  
    31925 File
    31926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31927 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31928 etype, evalue, etraceback = exc_info 
    31929  
    31930 See log for complete Python traceback. 
    31931  
    31932 Traceback (most recent call last): 
    31933 File
    31934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31935 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31936 return self._func(self._name, data) 
    31937 File
    31938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31939 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31940 if v.display: 
    31941 File
    31942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31943 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31944 return self._any_displayed_positions and len(self._positions) > 0 
    31945 TypeError: object of type 'NoneType' has no len() 
    31946  
    31947 During handling of the above exception, another exception occurred: 
    31948  
    31949 Traceback (most recent call last): 
    31950 File
    31951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31952 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31953 if not self.draw_new_frame(): 
    31954 File
    31955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31956 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31957 changed = view.check_for_drawing_change() 
    31958 File
    31959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31960 packages/chimerax/core/graphics/view.py", line 252, in
    31961 check_for_drawing_change 
    31962 trig.activate_trigger('graphics update', self) 
    31963 File
    31964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31965 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31966 trigger.activate(data) 
    31967 File
    31968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31969 packages/chimerax/core/triggerset.py", line 190, in activate 
    31970 ret = handler.invoke(data, self._remove_bad_handlers) 
    31971 File
    31972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31973 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31974 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31975 File
    31976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31977 packages/chimerax/core/session.py", line 943, in <lambda> 
    31978 logger.report_exception(preface=preface)) 
    31979 File
    31980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31981 packages/chimerax/core/logger.py", line 421, in report_exception 
    31982 elif probably_chimera1_session(exc_info): 
    31983 File
    31984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31985 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31986 etype, evalue, etraceback = exc_info 
    31987 TypeError: cannot unpack non-iterable NoneType object 
    31988  
    31989 TypeError: cannot unpack non-iterable NoneType object 
    31990  
    31991 File
    31992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31993 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31994 etype, evalue, etraceback = exc_info 
    31995  
    31996 See log for complete Python traceback. 
    31997  
    31998 Traceback (most recent call last): 
    31999 File
    32000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32001 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32002 return self._func(self._name, data) 
    32003 File
    32004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32005 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32006 if v.display: 
    32007 File
    32008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32009 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32010 return self._any_displayed_positions and len(self._positions) > 0 
    32011 TypeError: object of type 'NoneType' has no len() 
    32012  
    32013 During handling of the above exception, another exception occurred: 
    32014  
    32015 Traceback (most recent call last): 
    32016 File
    32017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32018 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32019 if not self.draw_new_frame(): 
    32020 File
    32021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32022 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32023 changed = view.check_for_drawing_change() 
    32024 File
    32025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32026 packages/chimerax/core/graphics/view.py", line 252, in
    32027 check_for_drawing_change 
    32028 trig.activate_trigger('graphics update', self) 
    32029 File
    32030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32031 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32032 trigger.activate(data) 
    32033 File
    32034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32035 packages/chimerax/core/triggerset.py", line 190, in activate 
    32036 ret = handler.invoke(data, self._remove_bad_handlers) 
    32037 File
    32038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32039 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32040 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32041 File
    32042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32043 packages/chimerax/core/session.py", line 943, in <lambda> 
    32044 logger.report_exception(preface=preface)) 
    32045 File
    32046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32047 packages/chimerax/core/logger.py", line 421, in report_exception 
    32048 elif probably_chimera1_session(exc_info): 
    32049 File
    32050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32051 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32052 etype, evalue, etraceback = exc_info 
    32053 TypeError: cannot unpack non-iterable NoneType object 
    32054  
    32055 TypeError: cannot unpack non-iterable NoneType object 
    32056  
    32057 File
    32058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32059 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32060 etype, evalue, etraceback = exc_info 
    32061  
    32062 See log for complete Python traceback. 
    32063  
    32064 Traceback (most recent call last): 
    32065 File
    32066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32067 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32068 return self._func(self._name, data) 
    32069 File
    32070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32071 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32072 if v.display: 
    32073 File
    32074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32075 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32076 return self._any_displayed_positions and len(self._positions) > 0 
    32077 TypeError: object of type 'NoneType' has no len() 
    32078  
    32079 During handling of the above exception, another exception occurred: 
    32080  
    32081 Traceback (most recent call last): 
    32082 File
    32083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32084 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32085 if not self.draw_new_frame(): 
    32086 File
    32087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32088 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32089 changed = view.check_for_drawing_change() 
    32090 File
    32091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32092 packages/chimerax/core/graphics/view.py", line 252, in
    32093 check_for_drawing_change 
    32094 trig.activate_trigger('graphics update', self) 
    32095 File
    32096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32097 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32098 trigger.activate(data) 
    32099 File
    32100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32101 packages/chimerax/core/triggerset.py", line 190, in activate 
    32102 ret = handler.invoke(data, self._remove_bad_handlers) 
    32103 File
    32104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32105 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32106 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32107 File
    32108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32109 packages/chimerax/core/session.py", line 943, in <lambda> 
    32110 logger.report_exception(preface=preface)) 
    32111 File
    32112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32113 packages/chimerax/core/logger.py", line 421, in report_exception 
    32114 elif probably_chimera1_session(exc_info): 
    32115 File
    32116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32117 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32118 etype, evalue, etraceback = exc_info 
    32119 TypeError: cannot unpack non-iterable NoneType object 
    32120  
    32121 TypeError: cannot unpack non-iterable NoneType object 
    32122  
    32123 File
    32124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32125 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32126 etype, evalue, etraceback = exc_info 
    32127  
    32128 See log for complete Python traceback. 
    32129  
    32130 Traceback (most recent call last): 
    32131 File
    32132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32133 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32134 return self._func(self._name, data) 
    32135 File
    32136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32137 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32138 if v.display: 
    32139 File
    32140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32141 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32142 return self._any_displayed_positions and len(self._positions) > 0 
    32143 TypeError: object of type 'NoneType' has no len() 
    32144  
    32145 During handling of the above exception, another exception occurred: 
    32146  
    32147 Traceback (most recent call last): 
    32148 File
    32149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32150 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32151 if not self.draw_new_frame(): 
    32152 File
    32153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32154 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32155 changed = view.check_for_drawing_change() 
    32156 File
    32157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32158 packages/chimerax/core/graphics/view.py", line 252, in
    32159 check_for_drawing_change 
    32160 trig.activate_trigger('graphics update', self) 
    32161 File
    32162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32163 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32164 trigger.activate(data) 
    32165 File
    32166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32167 packages/chimerax/core/triggerset.py", line 190, in activate 
    32168 ret = handler.invoke(data, self._remove_bad_handlers) 
    32169 File
    32170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32171 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32172 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32173 File
    32174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32175 packages/chimerax/core/session.py", line 943, in <lambda> 
    32176 logger.report_exception(preface=preface)) 
    32177 File
    32178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32179 packages/chimerax/core/logger.py", line 421, in report_exception 
    32180 elif probably_chimera1_session(exc_info): 
    32181 File
    32182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32183 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32184 etype, evalue, etraceback = exc_info 
    32185 TypeError: cannot unpack non-iterable NoneType object 
    32186  
    32187 TypeError: cannot unpack non-iterable NoneType object 
    32188  
    32189 File
    32190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32191 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32192 etype, evalue, etraceback = exc_info 
    32193  
    32194 See log for complete Python traceback. 
    32195  
    32196 Traceback (most recent call last): 
    32197 File
    32198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32199 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32200 return self._func(self._name, data) 
    32201 File
    32202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32203 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32204 if v.display: 
    32205 File
    32206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32207 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32208 return self._any_displayed_positions and len(self._positions) > 0 
    32209 TypeError: object of type 'NoneType' has no len() 
    32210  
    32211 During handling of the above exception, another exception occurred: 
    32212  
    32213 Traceback (most recent call last): 
    32214 File
    32215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32216 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32217 if not self.draw_new_frame(): 
    32218 File
    32219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32220 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32221 changed = view.check_for_drawing_change() 
    32222 File
    32223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32224 packages/chimerax/core/graphics/view.py", line 252, in
    32225 check_for_drawing_change 
    32226 trig.activate_trigger('graphics update', self) 
    32227 File
    32228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32229 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32230 trigger.activate(data) 
    32231 File
    32232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32233 packages/chimerax/core/triggerset.py", line 190, in activate 
    32234 ret = handler.invoke(data, self._remove_bad_handlers) 
    32235 File
    32236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32237 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32238 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32239 File
    32240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32241 packages/chimerax/core/session.py", line 943, in <lambda> 
    32242 logger.report_exception(preface=preface)) 
    32243 File
    32244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32245 packages/chimerax/core/logger.py", line 421, in report_exception 
    32246 elif probably_chimera1_session(exc_info): 
    32247 File
    32248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32249 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32250 etype, evalue, etraceback = exc_info 
    32251 TypeError: cannot unpack non-iterable NoneType object 
    32252  
    32253 TypeError: cannot unpack non-iterable NoneType object 
    32254  
    32255 File
    32256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32257 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32258 etype, evalue, etraceback = exc_info 
    32259  
    32260 See log for complete Python traceback. 
    32261  
    32262 Traceback (most recent call last): 
    32263 File
    32264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32265 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32266 return self._func(self._name, data) 
    32267 File
    32268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32269 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32270 if v.display: 
    32271 File
    32272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32273 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32274 return self._any_displayed_positions and len(self._positions) > 0 
    32275 TypeError: object of type 'NoneType' has no len() 
    32276  
    32277 During handling of the above exception, another exception occurred: 
    32278  
    32279 Traceback (most recent call last): 
    32280 File
    32281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32282 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32283 if not self.draw_new_frame(): 
    32284 File
    32285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32286 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32287 changed = view.check_for_drawing_change() 
    32288 File
    32289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32290 packages/chimerax/core/graphics/view.py", line 252, in
    32291 check_for_drawing_change 
    32292 trig.activate_trigger('graphics update', self) 
    32293 File
    32294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32295 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32296 trigger.activate(data) 
    32297 File
    32298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32299 packages/chimerax/core/triggerset.py", line 190, in activate 
    32300 ret = handler.invoke(data, self._remove_bad_handlers) 
    32301 File
    32302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32303 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32304 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32305 File
    32306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32307 packages/chimerax/core/session.py", line 943, in <lambda> 
    32308 logger.report_exception(preface=preface)) 
    32309 File
    32310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32311 packages/chimerax/core/logger.py", line 421, in report_exception 
    32312 elif probably_chimera1_session(exc_info): 
    32313 File
    32314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32315 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32316 etype, evalue, etraceback = exc_info 
    32317 TypeError: cannot unpack non-iterable NoneType object 
    32318  
    32319 TypeError: cannot unpack non-iterable NoneType object 
    32320  
    32321 File
    32322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32323 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32324 etype, evalue, etraceback = exc_info 
    32325  
    32326 See log for complete Python traceback. 
    32327  
    32328 Traceback (most recent call last): 
    32329 File
    32330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32331 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32332 return self._func(self._name, data) 
    32333 File
    32334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32335 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32336 if v.display: 
    32337 File
    32338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32339 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32340 return self._any_displayed_positions and len(self._positions) > 0 
    32341 TypeError: object of type 'NoneType' has no len() 
    32342  
    32343 During handling of the above exception, another exception occurred: 
    32344  
    32345 Traceback (most recent call last): 
    32346 File
    32347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32348 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32349 if not self.draw_new_frame(): 
    32350 File
    32351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32352 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32353 changed = view.check_for_drawing_change() 
    32354 File
    32355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32356 packages/chimerax/core/graphics/view.py", line 252, in
    32357 check_for_drawing_change 
    32358 trig.activate_trigger('graphics update', self) 
    32359 File
    32360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32361 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32362 trigger.activate(data) 
    32363 File
    32364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32365 packages/chimerax/core/triggerset.py", line 190, in activate 
    32366 ret = handler.invoke(data, self._remove_bad_handlers) 
    32367 File
    32368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32369 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32370 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32371 File
    32372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32373 packages/chimerax/core/session.py", line 943, in <lambda> 
    32374 logger.report_exception(preface=preface)) 
    32375 File
    32376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32377 packages/chimerax/core/logger.py", line 421, in report_exception 
    32378 elif probably_chimera1_session(exc_info): 
    32379 File
    32380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32381 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32382 etype, evalue, etraceback = exc_info 
    32383 TypeError: cannot unpack non-iterable NoneType object 
    32384  
    32385 TypeError: cannot unpack non-iterable NoneType object 
    32386  
    32387 File
    32388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32389 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32390 etype, evalue, etraceback = exc_info 
    32391  
    32392 See log for complete Python traceback. 
    32393  
    32394 Traceback (most recent call last): 
    32395 File
    32396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32397 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32398 return self._func(self._name, data) 
    32399 File
    32400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32401 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32402 if v.display: 
    32403 File
    32404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32405 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32406 return self._any_displayed_positions and len(self._positions) > 0 
    32407 TypeError: object of type 'NoneType' has no len() 
    32408  
    32409 During handling of the above exception, another exception occurred: 
    32410  
    32411 Traceback (most recent call last): 
    32412 File
    32413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32414 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32415 if not self.draw_new_frame(): 
    32416 File
    32417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32418 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32419 changed = view.check_for_drawing_change() 
    32420 File
    32421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32422 packages/chimerax/core/graphics/view.py", line 252, in
    32423 check_for_drawing_change 
    32424 trig.activate_trigger('graphics update', self) 
    32425 File
    32426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32427 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32428 trigger.activate(data) 
    32429 File
    32430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32431 packages/chimerax/core/triggerset.py", line 190, in activate 
    32432 ret = handler.invoke(data, self._remove_bad_handlers) 
    32433 File
    32434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32435 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32436 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32437 File
    32438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32439 packages/chimerax/core/session.py", line 943, in <lambda> 
    32440 logger.report_exception(preface=preface)) 
    32441 File
    32442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32443 packages/chimerax/core/logger.py", line 421, in report_exception 
    32444 elif probably_chimera1_session(exc_info): 
    32445 File
    32446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32447 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32448 etype, evalue, etraceback = exc_info 
    32449 TypeError: cannot unpack non-iterable NoneType object 
    32450  
    32451 TypeError: cannot unpack non-iterable NoneType object 
    32452  
    32453 File
    32454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32455 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32456 etype, evalue, etraceback = exc_info 
    32457  
    32458 See log for complete Python traceback. 
    32459  
    32460 Traceback (most recent call last): 
    32461 File
    32462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32463 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32464 return self._func(self._name, data) 
    32465 File
    32466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32467 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32468 if v.display: 
    32469 File
    32470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32471 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32472 return self._any_displayed_positions and len(self._positions) > 0 
    32473 TypeError: object of type 'NoneType' has no len() 
    32474  
    32475 During handling of the above exception, another exception occurred: 
    32476  
    32477 Traceback (most recent call last): 
    32478 File
    32479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32480 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32481 if not self.draw_new_frame(): 
    32482 File
    32483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32484 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32485 changed = view.check_for_drawing_change() 
    32486 File
    32487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32488 packages/chimerax/core/graphics/view.py", line 252, in
    32489 check_for_drawing_change 
    32490 trig.activate_trigger('graphics update', self) 
    32491 File
    32492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32493 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32494 trigger.activate(data) 
    32495 File
    32496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32497 packages/chimerax/core/triggerset.py", line 190, in activate 
    32498 ret = handler.invoke(data, self._remove_bad_handlers) 
    32499 File
    32500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32501 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32502 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32503 File
    32504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32505 packages/chimerax/core/session.py", line 943, in <lambda> 
    32506 logger.report_exception(preface=preface)) 
    32507 File
    32508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32509 packages/chimerax/core/logger.py", line 421, in report_exception 
    32510 elif probably_chimera1_session(exc_info): 
    32511 File
    32512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32513 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32514 etype, evalue, etraceback = exc_info 
    32515 TypeError: cannot unpack non-iterable NoneType object 
    32516  
    32517 TypeError: cannot unpack non-iterable NoneType object 
    32518  
    32519 File
    32520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32521 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32522 etype, evalue, etraceback = exc_info 
    32523  
    32524 See log for complete Python traceback. 
    32525  
    32526 Traceback (most recent call last): 
    32527 File
    32528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32529 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32530 return self._func(self._name, data) 
    32531 File
    32532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32533 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32534 if v.display: 
    32535 File
    32536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32537 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32538 return self._any_displayed_positions and len(self._positions) > 0 
    32539 TypeError: object of type 'NoneType' has no len() 
    32540  
    32541 During handling of the above exception, another exception occurred: 
    32542  
    32543 Traceback (most recent call last): 
    32544 File
    32545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32546 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32547 if not self.draw_new_frame(): 
    32548 File
    32549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32550 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32551 changed = view.check_for_drawing_change() 
    32552 File
    32553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32554 packages/chimerax/core/graphics/view.py", line 252, in
    32555 check_for_drawing_change 
    32556 trig.activate_trigger('graphics update', self) 
    32557 File
    32558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32559 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32560 trigger.activate(data) 
    32561 File
    32562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32563 packages/chimerax/core/triggerset.py", line 190, in activate 
    32564 ret = handler.invoke(data, self._remove_bad_handlers) 
    32565 File
    32566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32567 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32568 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32569 File
    32570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32571 packages/chimerax/core/session.py", line 943, in <lambda> 
    32572 logger.report_exception(preface=preface)) 
    32573 File
    32574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32575 packages/chimerax/core/logger.py", line 421, in report_exception 
    32576 elif probably_chimera1_session(exc_info): 
    32577 File
    32578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32579 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32580 etype, evalue, etraceback = exc_info 
    32581 TypeError: cannot unpack non-iterable NoneType object 
    32582  
    32583 TypeError: cannot unpack non-iterable NoneType object 
    32584  
    32585 File
    32586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32587 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32588 etype, evalue, etraceback = exc_info 
    32589  
    32590 See log for complete Python traceback. 
    32591  
    32592 Traceback (most recent call last): 
    32593 File
    32594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32595 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32596 return self._func(self._name, data) 
    32597 File
    32598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32599 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32600 if v.display: 
    32601 File
    32602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32603 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32604 return self._any_displayed_positions and len(self._positions) > 0 
    32605 TypeError: object of type 'NoneType' has no len() 
    32606  
    32607 During handling of the above exception, another exception occurred: 
    32608  
    32609 Traceback (most recent call last): 
    32610 File
    32611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32612 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32613 if not self.draw_new_frame(): 
    32614 File
    32615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32616 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32617 changed = view.check_for_drawing_change() 
    32618 File
    32619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32620 packages/chimerax/core/graphics/view.py", line 252, in
    32621 check_for_drawing_change 
    32622 trig.activate_trigger('graphics update', self) 
    32623 File
    32624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32625 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32626 trigger.activate(data) 
    32627 File
    32628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32629 packages/chimerax/core/triggerset.py", line 190, in activate 
    32630 ret = handler.invoke(data, self._remove_bad_handlers) 
    32631 File
    32632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32633 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32634 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32635 File
    32636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32637 packages/chimerax/core/session.py", line 943, in <lambda> 
    32638 logger.report_exception(preface=preface)) 
    32639 File
    32640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32641 packages/chimerax/core/logger.py", line 421, in report_exception 
    32642 elif probably_chimera1_session(exc_info): 
    32643 File
    32644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32645 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32646 etype, evalue, etraceback = exc_info 
    32647 TypeError: cannot unpack non-iterable NoneType object 
    32648  
    32649 TypeError: cannot unpack non-iterable NoneType object 
    32650  
    32651 File
    32652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32653 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32654 etype, evalue, etraceback = exc_info 
    32655  
    32656 See log for complete Python traceback. 
    32657  
    32658 Traceback (most recent call last): 
    32659 File
    32660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32661 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32662 return self._func(self._name, data) 
    32663 File
    32664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32665 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32666 if v.display: 
    32667 File
    32668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32669 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32670 return self._any_displayed_positions and len(self._positions) > 0 
    32671 TypeError: object of type 'NoneType' has no len() 
    32672  
    32673 During handling of the above exception, another exception occurred: 
    32674  
    32675 Traceback (most recent call last): 
    32676 File
    32677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32678 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32679 if not self.draw_new_frame(): 
    32680 File
    32681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32682 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32683 changed = view.check_for_drawing_change() 
    32684 File
    32685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32686 packages/chimerax/core/graphics/view.py", line 252, in
    32687 check_for_drawing_change 
    32688 trig.activate_trigger('graphics update', self) 
    32689 File
    32690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32691 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32692 trigger.activate(data) 
    32693 File
    32694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32695 packages/chimerax/core/triggerset.py", line 190, in activate 
    32696 ret = handler.invoke(data, self._remove_bad_handlers) 
    32697 File
    32698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32699 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32700 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32701 File
    32702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32703 packages/chimerax/core/session.py", line 943, in <lambda> 
    32704 logger.report_exception(preface=preface)) 
    32705 File
    32706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32707 packages/chimerax/core/logger.py", line 421, in report_exception 
    32708 elif probably_chimera1_session(exc_info): 
    32709 File
    32710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32711 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32712 etype, evalue, etraceback = exc_info 
    32713 TypeError: cannot unpack non-iterable NoneType object 
    32714  
    32715 TypeError: cannot unpack non-iterable NoneType object 
    32716  
    32717 File
    32718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32719 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32720 etype, evalue, etraceback = exc_info 
    32721  
    32722 See log for complete Python traceback. 
    32723  
    32724 Traceback (most recent call last): 
    32725 File
    32726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32727 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32728 return self._func(self._name, data) 
    32729 File
    32730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32731 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32732 if v.display: 
    32733 File
    32734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32735 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32736 return self._any_displayed_positions and len(self._positions) > 0 
    32737 TypeError: object of type 'NoneType' has no len() 
    32738  
    32739 During handling of the above exception, another exception occurred: 
    32740  
    32741 Traceback (most recent call last): 
    32742 File
    32743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32744 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32745 if not self.draw_new_frame(): 
    32746 File
    32747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32748 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32749 changed = view.check_for_drawing_change() 
    32750 File
    32751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32752 packages/chimerax/core/graphics/view.py", line 252, in
    32753 check_for_drawing_change 
    32754 trig.activate_trigger('graphics update', self) 
    32755 File
    32756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32757 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32758 trigger.activate(data) 
    32759 File
    32760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32761 packages/chimerax/core/triggerset.py", line 190, in activate 
    32762 ret = handler.invoke(data, self._remove_bad_handlers) 
    32763 File
    32764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32765 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32766 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32767 File
    32768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32769 packages/chimerax/core/session.py", line 943, in <lambda> 
    32770 logger.report_exception(preface=preface)) 
    32771 File
    32772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32773 packages/chimerax/core/logger.py", line 421, in report_exception 
    32774 elif probably_chimera1_session(exc_info): 
    32775 File
    32776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32777 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32778 etype, evalue, etraceback = exc_info 
    32779 TypeError: cannot unpack non-iterable NoneType object 
    32780  
    32781 TypeError: cannot unpack non-iterable NoneType object 
    32782  
    32783 File
    32784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32785 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32786 etype, evalue, etraceback = exc_info 
    32787  
    32788 See log for complete Python traceback. 
    32789  
    32790 Traceback (most recent call last): 
    32791 File
    32792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32793 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32794 return self._func(self._name, data) 
    32795 File
    32796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32797 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32798 if v.display: 
    32799 File
    32800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32801 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32802 return self._any_displayed_positions and len(self._positions) > 0 
    32803 TypeError: object of type 'NoneType' has no len() 
    32804  
    32805 During handling of the above exception, another exception occurred: 
    32806  
    32807 Traceback (most recent call last): 
    32808 File
    32809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32810 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32811 if not self.draw_new_frame(): 
    32812 File
    32813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32814 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32815 changed = view.check_for_drawing_change() 
    32816 File
    32817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32818 packages/chimerax/core/graphics/view.py", line 252, in
    32819 check_for_drawing_change 
    32820 trig.activate_trigger('graphics update', self) 
    32821 File
    32822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32823 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32824 trigger.activate(data) 
    32825 File
    32826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32827 packages/chimerax/core/triggerset.py", line 190, in activate 
    32828 ret = handler.invoke(data, self._remove_bad_handlers) 
    32829 File
    32830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32831 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32832 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32833 File
    32834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32835 packages/chimerax/core/session.py", line 943, in <lambda> 
    32836 logger.report_exception(preface=preface)) 
    32837 File
    32838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32839 packages/chimerax/core/logger.py", line 421, in report_exception 
    32840 elif probably_chimera1_session(exc_info): 
    32841 File
    32842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32843 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32844 etype, evalue, etraceback = exc_info 
    32845 TypeError: cannot unpack non-iterable NoneType object 
    32846  
    32847 TypeError: cannot unpack non-iterable NoneType object 
    32848  
    32849 File
    32850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32851 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32852 etype, evalue, etraceback = exc_info 
    32853  
    32854 See log for complete Python traceback. 
    32855  
    32856 Traceback (most recent call last): 
    32857 File
    32858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32859 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32860 return self._func(self._name, data) 
    32861 File
    32862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32863 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32864 if v.display: 
    32865 File
    32866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32867 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32868 return self._any_displayed_positions and len(self._positions) > 0 
    32869 TypeError: object of type 'NoneType' has no len() 
    32870  
    32871 During handling of the above exception, another exception occurred: 
    32872  
    32873 Traceback (most recent call last): 
    32874 File
    32875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32876 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32877 if not self.draw_new_frame(): 
    32878 File
    32879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32880 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32881 changed = view.check_for_drawing_change() 
    32882 File
    32883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32884 packages/chimerax/core/graphics/view.py", line 252, in
    32885 check_for_drawing_change 
    32886 trig.activate_trigger('graphics update', self) 
    32887 File
    32888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32889 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32890 trigger.activate(data) 
    32891 File
    32892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32893 packages/chimerax/core/triggerset.py", line 190, in activate 
    32894 ret = handler.invoke(data, self._remove_bad_handlers) 
    32895 File
    32896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32897 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32898 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32899 File
    32900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32901 packages/chimerax/core/session.py", line 943, in <lambda> 
    32902 logger.report_exception(preface=preface)) 
    32903 File
    32904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32905 packages/chimerax/core/logger.py", line 421, in report_exception 
    32906 elif probably_chimera1_session(exc_info): 
    32907 File
    32908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32909 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32910 etype, evalue, etraceback = exc_info 
    32911 TypeError: cannot unpack non-iterable NoneType object 
    32912  
    32913 TypeError: cannot unpack non-iterable NoneType object 
    32914  
    32915 File
    32916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32917 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32918 etype, evalue, etraceback = exc_info 
    32919  
    32920 See log for complete Python traceback. 
    32921  
    32922 Traceback (most recent call last): 
    32923 File
    32924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32925 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32926 return self._func(self._name, data) 
    32927 File
    32928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32929 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32930 if v.display: 
    32931 File
    32932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32933 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32934 return self._any_displayed_positions and len(self._positions) > 0 
    32935 TypeError: object of type 'NoneType' has no len() 
    32936  
    32937 During handling of the above exception, another exception occurred: 
    32938  
    32939 Traceback (most recent call last): 
    32940 File
    32941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32942 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32943 if not self.draw_new_frame(): 
    32944 File
    32945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32946 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32947 changed = view.check_for_drawing_change() 
    32948 File
    32949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32950 packages/chimerax/core/graphics/view.py", line 252, in
    32951 check_for_drawing_change 
    32952 trig.activate_trigger('graphics update', self) 
    32953 File
    32954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32955 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32956 trigger.activate(data) 
    32957 File
    32958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32959 packages/chimerax/core/triggerset.py", line 190, in activate 
    32960 ret = handler.invoke(data, self._remove_bad_handlers) 
    32961 File
    32962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32963 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32964 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32965 File
    32966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32967 packages/chimerax/core/session.py", line 943, in <lambda> 
    32968 logger.report_exception(preface=preface)) 
    32969 File
    32970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32971 packages/chimerax/core/logger.py", line 421, in report_exception 
    32972 elif probably_chimera1_session(exc_info): 
    32973 File
    32974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32975 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32976 etype, evalue, etraceback = exc_info 
    32977 TypeError: cannot unpack non-iterable NoneType object 
    32978  
    32979 TypeError: cannot unpack non-iterable NoneType object 
    32980  
    32981 File
    32982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32983 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32984 etype, evalue, etraceback = exc_info 
    32985  
    32986 See log for complete Python traceback. 
    32987  
    32988 Traceback (most recent call last): 
    32989 File
    32990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32991 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32992 return self._func(self._name, data) 
    32993 File
    32994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32995 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32996 if v.display: 
    32997 File
    32998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32999 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33000 return self._any_displayed_positions and len(self._positions) > 0 
    33001 TypeError: object of type 'NoneType' has no len() 
    33002  
    33003 During handling of the above exception, another exception occurred: 
    33004  
    33005 Traceback (most recent call last): 
    33006 File
    33007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33008 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33009 if not self.draw_new_frame(): 
    33010 File
    33011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33012 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33013 changed = view.check_for_drawing_change() 
    33014 File
    33015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33016 packages/chimerax/core/graphics/view.py", line 252, in
    33017 check_for_drawing_change 
    33018 trig.activate_trigger('graphics update', self) 
    33019 File
    33020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33021 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33022 trigger.activate(data) 
    33023 File
    33024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33025 packages/chimerax/core/triggerset.py", line 190, in activate 
    33026 ret = handler.invoke(data, self._remove_bad_handlers) 
    33027 File
    33028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33029 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33030 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33031 File
    33032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33033 packages/chimerax/core/session.py", line 943, in <lambda> 
    33034 logger.report_exception(preface=preface)) 
    33035 File
    33036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33037 packages/chimerax/core/logger.py", line 421, in report_exception 
    33038 elif probably_chimera1_session(exc_info): 
    33039 File
    33040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33041 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33042 etype, evalue, etraceback = exc_info 
    33043 TypeError: cannot unpack non-iterable NoneType object 
    33044  
    33045 TypeError: cannot unpack non-iterable NoneType object 
    33046  
    33047 File
    33048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33049 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33050 etype, evalue, etraceback = exc_info 
    33051  
    33052 See log for complete Python traceback. 
    33053  
    33054 Traceback (most recent call last): 
    33055 File
    33056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33057 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33058 return self._func(self._name, data) 
    33059 File
    33060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33061 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33062 if v.display: 
    33063 File
    33064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33065 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33066 return self._any_displayed_positions and len(self._positions) > 0 
    33067 TypeError: object of type 'NoneType' has no len() 
    33068  
    33069 During handling of the above exception, another exception occurred: 
    33070  
    33071 Traceback (most recent call last): 
    33072 File
    33073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33074 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33075 if not self.draw_new_frame(): 
    33076 File
    33077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33078 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33079 changed = view.check_for_drawing_change() 
    33080 File
    33081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33082 packages/chimerax/core/graphics/view.py", line 252, in
    33083 check_for_drawing_change 
    33084 trig.activate_trigger('graphics update', self) 
    33085 File
    33086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33087 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33088 trigger.activate(data) 
    33089 File
    33090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33091 packages/chimerax/core/triggerset.py", line 190, in activate 
    33092 ret = handler.invoke(data, self._remove_bad_handlers) 
    33093 File
    33094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33095 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33096 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33097 File
    33098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33099 packages/chimerax/core/session.py", line 943, in <lambda> 
    33100 logger.report_exception(preface=preface)) 
    33101 File
    33102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33103 packages/chimerax/core/logger.py", line 421, in report_exception 
    33104 elif probably_chimera1_session(exc_info): 
    33105 File
    33106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33107 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33108 etype, evalue, etraceback = exc_info 
    33109 TypeError: cannot unpack non-iterable NoneType object 
    33110  
    33111 TypeError: cannot unpack non-iterable NoneType object 
    33112  
    33113 File
    33114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33115 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33116 etype, evalue, etraceback = exc_info 
    33117  
    33118 See log for complete Python traceback. 
    33119  
    33120 Traceback (most recent call last): 
    33121 File
    33122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33123 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33124 return self._func(self._name, data) 
    33125 File
    33126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33127 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33128 if v.display: 
    33129 File
    33130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33131 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33132 return self._any_displayed_positions and len(self._positions) > 0 
    33133 TypeError: object of type 'NoneType' has no len() 
    33134  
    33135 During handling of the above exception, another exception occurred: 
    33136  
    33137 Traceback (most recent call last): 
    33138 File
    33139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33140 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33141 if not self.draw_new_frame(): 
    33142 File
    33143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33144 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33145 changed = view.check_for_drawing_change() 
    33146 File
    33147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33148 packages/chimerax/core/graphics/view.py", line 252, in
    33149 check_for_drawing_change 
    33150 trig.activate_trigger('graphics update', self) 
    33151 File
    33152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33153 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33154 trigger.activate(data) 
    33155 File
    33156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33157 packages/chimerax/core/triggerset.py", line 190, in activate 
    33158 ret = handler.invoke(data, self._remove_bad_handlers) 
    33159 File
    33160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33161 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33162 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33163 File
    33164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33165 packages/chimerax/core/session.py", line 943, in <lambda> 
    33166 logger.report_exception(preface=preface)) 
    33167 File
    33168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33169 packages/chimerax/core/logger.py", line 421, in report_exception 
    33170 elif probably_chimera1_session(exc_info): 
    33171 File
    33172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33173 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33174 etype, evalue, etraceback = exc_info 
    33175 TypeError: cannot unpack non-iterable NoneType object 
    33176  
    33177 TypeError: cannot unpack non-iterable NoneType object 
    33178  
    33179 File
    33180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33181 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33182 etype, evalue, etraceback = exc_info 
    33183  
    33184 See log for complete Python traceback. 
    33185  
    33186 Traceback (most recent call last): 
    33187 File
    33188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33189 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33190 return self._func(self._name, data) 
    33191 File
    33192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33193 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33194 if v.display: 
    33195 File
    33196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33197 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33198 return self._any_displayed_positions and len(self._positions) > 0 
    33199 TypeError: object of type 'NoneType' has no len() 
    33200  
    33201 During handling of the above exception, another exception occurred: 
    33202  
    33203 Traceback (most recent call last): 
    33204 File
    33205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33206 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33207 if not self.draw_new_frame(): 
    33208 File
    33209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33210 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33211 changed = view.check_for_drawing_change() 
    33212 File
    33213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33214 packages/chimerax/core/graphics/view.py", line 252, in
    33215 check_for_drawing_change 
    33216 trig.activate_trigger('graphics update', self) 
    33217 File
    33218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33219 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33220 trigger.activate(data) 
    33221 File
    33222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33223 packages/chimerax/core/triggerset.py", line 190, in activate 
    33224 ret = handler.invoke(data, self._remove_bad_handlers) 
    33225 File
    33226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33227 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33228 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33229 File
    33230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33231 packages/chimerax/core/session.py", line 943, in <lambda> 
    33232 logger.report_exception(preface=preface)) 
    33233 File
    33234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33235 packages/chimerax/core/logger.py", line 421, in report_exception 
    33236 elif probably_chimera1_session(exc_info): 
    33237 File
    33238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33239 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33240 etype, evalue, etraceback = exc_info 
    33241 TypeError: cannot unpack non-iterable NoneType object 
    33242  
    33243 TypeError: cannot unpack non-iterable NoneType object 
    33244  
    33245 File
    33246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33247 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33248 etype, evalue, etraceback = exc_info 
    33249  
    33250 See log for complete Python traceback. 
    33251  
    33252 Traceback (most recent call last): 
    33253 File
    33254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33255 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33256 return self._func(self._name, data) 
    33257 File
    33258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33259 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33260 if v.display: 
    33261 File
    33262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33263 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33264 return self._any_displayed_positions and len(self._positions) > 0 
    33265 TypeError: object of type 'NoneType' has no len() 
    33266  
    33267 During handling of the above exception, another exception occurred: 
    33268  
    33269 Traceback (most recent call last): 
    33270 File
    33271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33272 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33273 if not self.draw_new_frame(): 
    33274 File
    33275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33276 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33277 changed = view.check_for_drawing_change() 
    33278 File
    33279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33280 packages/chimerax/core/graphics/view.py", line 252, in
    33281 check_for_drawing_change 
    33282 trig.activate_trigger('graphics update', self) 
    33283 File
    33284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33285 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33286 trigger.activate(data) 
    33287 File
    33288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33289 packages/chimerax/core/triggerset.py", line 190, in activate 
    33290 ret = handler.invoke(data, self._remove_bad_handlers) 
    33291 File
    33292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33293 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33294 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33295 File
    33296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33297 packages/chimerax/core/session.py", line 943, in <lambda> 
    33298 logger.report_exception(preface=preface)) 
    33299 File
    33300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33301 packages/chimerax/core/logger.py", line 421, in report_exception 
    33302 elif probably_chimera1_session(exc_info): 
    33303 File
    33304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33305 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33306 etype, evalue, etraceback = exc_info 
    33307 TypeError: cannot unpack non-iterable NoneType object 
    33308  
    33309 TypeError: cannot unpack non-iterable NoneType object 
    33310  
    33311 File
    33312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33313 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33314 etype, evalue, etraceback = exc_info 
    33315  
    33316 See log for complete Python traceback. 
    33317  
    33318 Traceback (most recent call last): 
    33319 File
    33320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33321 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33322 return self._func(self._name, data) 
    33323 File
    33324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33325 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33326 if v.display: 
    33327 File
    33328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33329 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33330 return self._any_displayed_positions and len(self._positions) > 0 
    33331 TypeError: object of type 'NoneType' has no len() 
    33332  
    33333 During handling of the above exception, another exception occurred: 
    33334  
    33335 Traceback (most recent call last): 
    33336 File
    33337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33338 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33339 if not self.draw_new_frame(): 
    33340 File
    33341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33342 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33343 changed = view.check_for_drawing_change() 
    33344 File
    33345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33346 packages/chimerax/core/graphics/view.py", line 252, in
    33347 check_for_drawing_change 
    33348 trig.activate_trigger('graphics update', self) 
    33349 File
    33350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33351 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33352 trigger.activate(data) 
    33353 File
    33354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33355 packages/chimerax/core/triggerset.py", line 190, in activate 
    33356 ret = handler.invoke(data, self._remove_bad_handlers) 
    33357 File
    33358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33359 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33360 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33361 File
    33362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33363 packages/chimerax/core/session.py", line 943, in <lambda> 
    33364 logger.report_exception(preface=preface)) 
    33365 File
    33366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33367 packages/chimerax/core/logger.py", line 421, in report_exception 
    33368 elif probably_chimera1_session(exc_info): 
    33369 File
    33370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33371 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33372 etype, evalue, etraceback = exc_info 
    33373 TypeError: cannot unpack non-iterable NoneType object 
    33374  
    33375 TypeError: cannot unpack non-iterable NoneType object 
    33376  
    33377 File
    33378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33379 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33380 etype, evalue, etraceback = exc_info 
    33381  
    33382 See log for complete Python traceback. 
    33383  
    33384 Traceback (most recent call last): 
    33385 File
    33386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33387 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33388 return self._func(self._name, data) 
    33389 File
    33390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33391 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33392 if v.display: 
    33393 File
    33394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33395 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33396 return self._any_displayed_positions and len(self._positions) > 0 
    33397 TypeError: object of type 'NoneType' has no len() 
    33398  
    33399 During handling of the above exception, another exception occurred: 
    33400  
    33401 Traceback (most recent call last): 
    33402 File
    33403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33404 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33405 if not self.draw_new_frame(): 
    33406 File
    33407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33408 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33409 changed = view.check_for_drawing_change() 
    33410 File
    33411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33412 packages/chimerax/core/graphics/view.py", line 252, in
    33413 check_for_drawing_change 
    33414 trig.activate_trigger('graphics update', self) 
    33415 File
    33416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33417 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33418 trigger.activate(data) 
    33419 File
    33420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33421 packages/chimerax/core/triggerset.py", line 190, in activate 
    33422 ret = handler.invoke(data, self._remove_bad_handlers) 
    33423 File
    33424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33425 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33426 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33427 File
    33428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33429 packages/chimerax/core/session.py", line 943, in <lambda> 
    33430 logger.report_exception(preface=preface)) 
    33431 File
    33432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33433 packages/chimerax/core/logger.py", line 421, in report_exception 
    33434 elif probably_chimera1_session(exc_info): 
    33435 File
    33436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33437 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33438 etype, evalue, etraceback = exc_info 
    33439 TypeError: cannot unpack non-iterable NoneType object 
    33440  
    33441 TypeError: cannot unpack non-iterable NoneType object 
    33442  
    33443 File
    33444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33445 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33446 etype, evalue, etraceback = exc_info 
    33447  
    33448 See log for complete Python traceback. 
    33449  
    33450 Traceback (most recent call last): 
    33451 File
    33452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33453 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33454 return self._func(self._name, data) 
    33455 File
    33456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33457 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33458 if v.display: 
    33459 File
    33460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33461 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33462 return self._any_displayed_positions and len(self._positions) > 0 
    33463 TypeError: object of type 'NoneType' has no len() 
    33464  
    33465 During handling of the above exception, another exception occurred: 
    33466  
    33467 Traceback (most recent call last): 
    33468 File
    33469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33470 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33471 if not self.draw_new_frame(): 
    33472 File
    33473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33474 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33475 changed = view.check_for_drawing_change() 
    33476 File
    33477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33478 packages/chimerax/core/graphics/view.py", line 252, in
    33479 check_for_drawing_change 
    33480 trig.activate_trigger('graphics update', self) 
    33481 File
    33482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33483 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33484 trigger.activate(data) 
    33485 File
    33486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33487 packages/chimerax/core/triggerset.py", line 190, in activate 
    33488 ret = handler.invoke(data, self._remove_bad_handlers) 
    33489 File
    33490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33491 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33492 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33493 File
    33494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33495 packages/chimerax/core/session.py", line 943, in <lambda> 
    33496 logger.report_exception(preface=preface)) 
    33497 File
    33498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33499 packages/chimerax/core/logger.py", line 421, in report_exception 
    33500 elif probably_chimera1_session(exc_info): 
    33501 File
    33502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33503 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33504 etype, evalue, etraceback = exc_info 
    33505 TypeError: cannot unpack non-iterable NoneType object 
    33506  
    33507 TypeError: cannot unpack non-iterable NoneType object 
    33508  
    33509 File
    33510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33511 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33512 etype, evalue, etraceback = exc_info 
    33513  
    33514 See log for complete Python traceback. 
    33515  
    33516 Traceback (most recent call last): 
    33517 File
    33518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33519 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33520 return self._func(self._name, data) 
    33521 File
    33522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33523 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33524 if v.display: 
    33525 File
    33526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33527 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33528 return self._any_displayed_positions and len(self._positions) > 0 
    33529 TypeError: object of type 'NoneType' has no len() 
    33530  
    33531 During handling of the above exception, another exception occurred: 
    33532  
    33533 Traceback (most recent call last): 
    33534 File
    33535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33536 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33537 if not self.draw_new_frame(): 
    33538 File
    33539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33540 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33541 changed = view.check_for_drawing_change() 
    33542 File
    33543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33544 packages/chimerax/core/graphics/view.py", line 252, in
    33545 check_for_drawing_change 
    33546 trig.activate_trigger('graphics update', self) 
    33547 File
    33548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33549 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33550 trigger.activate(data) 
    33551 File
    33552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33553 packages/chimerax/core/triggerset.py", line 190, in activate 
    33554 ret = handler.invoke(data, self._remove_bad_handlers) 
    33555 File
    33556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33557 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33558 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33559 File
    33560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33561 packages/chimerax/core/session.py", line 943, in <lambda> 
    33562 logger.report_exception(preface=preface)) 
    33563 File
    33564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33565 packages/chimerax/core/logger.py", line 421, in report_exception 
    33566 elif probably_chimera1_session(exc_info): 
    33567 File
    33568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33569 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33570 etype, evalue, etraceback = exc_info 
    33571 TypeError: cannot unpack non-iterable NoneType object 
    33572  
    33573 TypeError: cannot unpack non-iterable NoneType object 
    33574  
    33575 File
    33576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33577 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33578 etype, evalue, etraceback = exc_info 
    33579  
    33580 See log for complete Python traceback. 
    33581  
    33582 Traceback (most recent call last): 
    33583 File
    33584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33585 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33586 return self._func(self._name, data) 
    33587 File
    33588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33589 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33590 if v.display: 
    33591 File
    33592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33593 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33594 return self._any_displayed_positions and len(self._positions) > 0 
    33595 TypeError: object of type 'NoneType' has no len() 
    33596  
    33597 During handling of the above exception, another exception occurred: 
    33598  
    33599 Traceback (most recent call last): 
    33600 File
    33601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33602 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33603 if not self.draw_new_frame(): 
    33604 File
    33605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33606 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33607 changed = view.check_for_drawing_change() 
    33608 File
    33609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33610 packages/chimerax/core/graphics/view.py", line 252, in
    33611 check_for_drawing_change 
    33612 trig.activate_trigger('graphics update', self) 
    33613 File
    33614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33615 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33616 trigger.activate(data) 
    33617 File
    33618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33619 packages/chimerax/core/triggerset.py", line 190, in activate 
    33620 ret = handler.invoke(data, self._remove_bad_handlers) 
    33621 File
    33622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33623 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33624 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33625 File
    33626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33627 packages/chimerax/core/session.py", line 943, in <lambda> 
    33628 logger.report_exception(preface=preface)) 
    33629 File
    33630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33631 packages/chimerax/core/logger.py", line 421, in report_exception 
    33632 elif probably_chimera1_session(exc_info): 
    33633 File
    33634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33635 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33636 etype, evalue, etraceback = exc_info 
    33637 TypeError: cannot unpack non-iterable NoneType object 
    33638  
    33639 TypeError: cannot unpack non-iterable NoneType object 
    33640  
    33641 File
    33642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33643 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33644 etype, evalue, etraceback = exc_info 
    33645  
    33646 See log for complete Python traceback. 
    33647  
    33648 Traceback (most recent call last): 
    33649 File
    33650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33651 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33652 return self._func(self._name, data) 
    33653 File
    33654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33655 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33656 if v.display: 
    33657 File
    33658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33659 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33660 return self._any_displayed_positions and len(self._positions) > 0 
    33661 TypeError: object of type 'NoneType' has no len() 
    33662  
    33663 During handling of the above exception, another exception occurred: 
    33664  
    33665 Traceback (most recent call last): 
    33666 File
    33667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33668 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33669 if not self.draw_new_frame(): 
    33670 File
    33671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33672 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33673 changed = view.check_for_drawing_change() 
    33674 File
    33675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33676 packages/chimerax/core/graphics/view.py", line 252, in
    33677 check_for_drawing_change 
    33678 trig.activate_trigger('graphics update', self) 
    33679 File
    33680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33681 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33682 trigger.activate(data) 
    33683 File
    33684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33685 packages/chimerax/core/triggerset.py", line 190, in activate 
    33686 ret = handler.invoke(data, self._remove_bad_handlers) 
    33687 File
    33688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33689 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33690 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33691 File
    33692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33693 packages/chimerax/core/session.py", line 943, in <lambda> 
    33694 logger.report_exception(preface=preface)) 
    33695 File
    33696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33697 packages/chimerax/core/logger.py", line 421, in report_exception 
    33698 elif probably_chimera1_session(exc_info): 
    33699 File
    33700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33701 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33702 etype, evalue, etraceback = exc_info 
    33703 TypeError: cannot unpack non-iterable NoneType object 
    33704  
    33705 TypeError: cannot unpack non-iterable NoneType object 
    33706  
    33707 File
    33708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33709 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33710 etype, evalue, etraceback = exc_info 
    33711  
    33712 See log for complete Python traceback. 
    33713  
    33714 Traceback (most recent call last): 
    33715 File
    33716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33717 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33718 return self._func(self._name, data) 
    33719 File
    33720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33721 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33722 if v.display: 
    33723 File
    33724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33725 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33726 return self._any_displayed_positions and len(self._positions) > 0 
    33727 TypeError: object of type 'NoneType' has no len() 
    33728  
    33729 During handling of the above exception, another exception occurred: 
    33730  
    33731 Traceback (most recent call last): 
    33732 File
    33733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33734 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33735 if not self.draw_new_frame(): 
    33736 File
    33737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33738 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33739 changed = view.check_for_drawing_change() 
    33740 File
    33741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33742 packages/chimerax/core/graphics/view.py", line 252, in
    33743 check_for_drawing_change 
    33744 trig.activate_trigger('graphics update', self) 
    33745 File
    33746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33747 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33748 trigger.activate(data) 
    33749 File
    33750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33751 packages/chimerax/core/triggerset.py", line 190, in activate 
    33752 ret = handler.invoke(data, self._remove_bad_handlers) 
    33753 File
    33754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33755 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33756 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33757 File
    33758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33759 packages/chimerax/core/session.py", line 943, in <lambda> 
    33760 logger.report_exception(preface=preface)) 
    33761 File
    33762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33763 packages/chimerax/core/logger.py", line 421, in report_exception 
    33764 elif probably_chimera1_session(exc_info): 
    33765 File
    33766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33767 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33768 etype, evalue, etraceback = exc_info 
    33769 TypeError: cannot unpack non-iterable NoneType object 
    33770  
    33771 TypeError: cannot unpack non-iterable NoneType object 
    33772  
    33773 File
    33774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33775 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33776 etype, evalue, etraceback = exc_info 
    33777  
    33778 See log for complete Python traceback. 
    33779  
    33780 Traceback (most recent call last): 
    33781 File
    33782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33783 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33784 return self._func(self._name, data) 
    33785 File
    33786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33787 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33788 if v.display: 
    33789 File
    33790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33791 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33792 return self._any_displayed_positions and len(self._positions) > 0 
    33793 TypeError: object of type 'NoneType' has no len() 
    33794  
    33795 During handling of the above exception, another exception occurred: 
    33796  
    33797 Traceback (most recent call last): 
    33798 File
    33799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33800 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33801 if not self.draw_new_frame(): 
    33802 File
    33803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33804 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33805 changed = view.check_for_drawing_change() 
    33806 File
    33807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33808 packages/chimerax/core/graphics/view.py", line 252, in
    33809 check_for_drawing_change 
    33810 trig.activate_trigger('graphics update', self) 
    33811 File
    33812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33813 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33814 trigger.activate(data) 
    33815 File
    33816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33817 packages/chimerax/core/triggerset.py", line 190, in activate 
    33818 ret = handler.invoke(data, self._remove_bad_handlers) 
    33819 File
    33820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33821 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33822 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33823 File
    33824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33825 packages/chimerax/core/session.py", line 943, in <lambda> 
    33826 logger.report_exception(preface=preface)) 
    33827 File
    33828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33829 packages/chimerax/core/logger.py", line 421, in report_exception 
    33830 elif probably_chimera1_session(exc_info): 
    33831 File
    33832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33833 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33834 etype, evalue, etraceback = exc_info 
    33835 TypeError: cannot unpack non-iterable NoneType object 
    33836  
    33837 TypeError: cannot unpack non-iterable NoneType object 
    33838  
    33839 File
    33840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33841 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33842 etype, evalue, etraceback = exc_info 
    33843  
    33844 See log for complete Python traceback. 
    33845  
    33846 Traceback (most recent call last): 
    33847 File
    33848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33849 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33850 return self._func(self._name, data) 
    33851 File
    33852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33853 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33854 if v.display: 
    33855 File
    33856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33857 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33858 return self._any_displayed_positions and len(self._positions) > 0 
    33859 TypeError: object of type 'NoneType' has no len() 
    33860  
    33861 During handling of the above exception, another exception occurred: 
    33862  
    33863 Traceback (most recent call last): 
    33864 File
    33865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33866 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33867 if not self.draw_new_frame(): 
    33868 File
    33869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33870 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33871 changed = view.check_for_drawing_change() 
    33872 File
    33873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33874 packages/chimerax/core/graphics/view.py", line 252, in
    33875 check_for_drawing_change 
    33876 trig.activate_trigger('graphics update', self) 
    33877 File
    33878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33879 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33880 trigger.activate(data) 
    33881 File
    33882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33883 packages/chimerax/core/triggerset.py", line 190, in activate 
    33884 ret = handler.invoke(data, self._remove_bad_handlers) 
    33885 File
    33886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33887 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33888 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33889 File
    33890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33891 packages/chimerax/core/session.py", line 943, in <lambda> 
    33892 logger.report_exception(preface=preface)) 
    33893 File
    33894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33895 packages/chimerax/core/logger.py", line 421, in report_exception 
    33896 elif probably_chimera1_session(exc_info): 
    33897 File
    33898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33899 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33900 etype, evalue, etraceback = exc_info 
    33901 TypeError: cannot unpack non-iterable NoneType object 
    33902  
    33903 TypeError: cannot unpack non-iterable NoneType object 
    33904  
    33905 File
    33906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33907 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33908 etype, evalue, etraceback = exc_info 
    33909  
    33910 See log for complete Python traceback. 
    33911  
    33912 Traceback (most recent call last): 
    33913 File
    33914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33915 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33916 return self._func(self._name, data) 
    33917 File
    33918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33919 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33920 if v.display: 
    33921 File
    33922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33923 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33924 return self._any_displayed_positions and len(self._positions) > 0 
    33925 TypeError: object of type 'NoneType' has no len() 
    33926  
    33927 During handling of the above exception, another exception occurred: 
    33928  
    33929 Traceback (most recent call last): 
    33930 File
    33931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33932 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33933 if not self.draw_new_frame(): 
    33934 File
    33935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33936 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33937 changed = view.check_for_drawing_change() 
    33938 File
    33939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33940 packages/chimerax/core/graphics/view.py", line 252, in
    33941 check_for_drawing_change 
    33942 trig.activate_trigger('graphics update', self) 
    33943 File
    33944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33945 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33946 trigger.activate(data) 
    33947 File
    33948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33949 packages/chimerax/core/triggerset.py", line 190, in activate 
    33950 ret = handler.invoke(data, self._remove_bad_handlers) 
    33951 File
    33952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33953 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33954 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33955 File
    33956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33957 packages/chimerax/core/session.py", line 943, in <lambda> 
    33958 logger.report_exception(preface=preface)) 
    33959 File
    33960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33961 packages/chimerax/core/logger.py", line 421, in report_exception 
    33962 elif probably_chimera1_session(exc_info): 
    33963 File
    33964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33965 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33966 etype, evalue, etraceback = exc_info 
    33967 TypeError: cannot unpack non-iterable NoneType object 
    33968  
    33969 TypeError: cannot unpack non-iterable NoneType object 
    33970  
    33971 File
    33972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33973 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33974 etype, evalue, etraceback = exc_info 
    33975  
    33976 See log for complete Python traceback. 
    33977  
    33978 Traceback (most recent call last): 
    33979 File
    33980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33981 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33982 return self._func(self._name, data) 
    33983 File
    33984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33985 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33986 if v.display: 
    33987 File
    33988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33989 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33990 return self._any_displayed_positions and len(self._positions) > 0 
    33991 TypeError: object of type 'NoneType' has no len() 
    33992  
    33993 During handling of the above exception, another exception occurred: 
    33994  
    33995 Traceback (most recent call last): 
    33996 File
    33997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33998 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33999 if not self.draw_new_frame(): 
    34000 File
    34001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34002 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34003 changed = view.check_for_drawing_change() 
    34004 File
    34005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34006 packages/chimerax/core/graphics/view.py", line 252, in
    34007 check_for_drawing_change 
    34008 trig.activate_trigger('graphics update', self) 
    34009 File
    34010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34011 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34012 trigger.activate(data) 
    34013 File
    34014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34015 packages/chimerax/core/triggerset.py", line 190, in activate 
    34016 ret = handler.invoke(data, self._remove_bad_handlers) 
    34017 File
    34018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34019 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34020 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34021 File
    34022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34023 packages/chimerax/core/session.py", line 943, in <lambda> 
    34024 logger.report_exception(preface=preface)) 
    34025 File
    34026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34027 packages/chimerax/core/logger.py", line 421, in report_exception 
    34028 elif probably_chimera1_session(exc_info): 
    34029 File
    34030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34031 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34032 etype, evalue, etraceback = exc_info 
    34033 TypeError: cannot unpack non-iterable NoneType object 
    34034  
    34035 TypeError: cannot unpack non-iterable NoneType object 
    34036  
    34037 File
    34038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34039 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34040 etype, evalue, etraceback = exc_info 
    34041  
    34042 See log for complete Python traceback. 
    34043  
    34044 Traceback (most recent call last): 
    34045 File
    34046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34047 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34048 return self._func(self._name, data) 
    34049 File
    34050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34051 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34052 if v.display: 
    34053 File
    34054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34055 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34056 return self._any_displayed_positions and len(self._positions) > 0 
    34057 TypeError: object of type 'NoneType' has no len() 
    34058  
    34059 During handling of the above exception, another exception occurred: 
    34060  
    34061 Traceback (most recent call last): 
    34062 File
    34063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34064 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34065 if not self.draw_new_frame(): 
    34066 File
    34067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34068 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34069 changed = view.check_for_drawing_change() 
    34070 File
    34071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34072 packages/chimerax/core/graphics/view.py", line 252, in
    34073 check_for_drawing_change 
    34074 trig.activate_trigger('graphics update', self) 
    34075 File
    34076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34077 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34078 trigger.activate(data) 
    34079 File
    34080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34081 packages/chimerax/core/triggerset.py", line 190, in activate 
    34082 ret = handler.invoke(data, self._remove_bad_handlers) 
    34083 File
    34084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34085 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34086 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34087 File
    34088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34089 packages/chimerax/core/session.py", line 943, in <lambda> 
    34090 logger.report_exception(preface=preface)) 
    34091 File
    34092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34093 packages/chimerax/core/logger.py", line 421, in report_exception 
    34094 elif probably_chimera1_session(exc_info): 
    34095 File
    34096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34097 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34098 etype, evalue, etraceback = exc_info 
    34099 TypeError: cannot unpack non-iterable NoneType object 
    34100  
    34101 TypeError: cannot unpack non-iterable NoneType object 
    34102  
    34103 File
    34104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34105 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34106 etype, evalue, etraceback = exc_info 
    34107  
    34108 See log for complete Python traceback. 
    34109  
    34110 Traceback (most recent call last): 
    34111 File
    34112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34113 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34114 return self._func(self._name, data) 
    34115 File
    34116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34117 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34118 if v.display: 
    34119 File
    34120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34121 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34122 return self._any_displayed_positions and len(self._positions) > 0 
    34123 TypeError: object of type 'NoneType' has no len() 
    34124  
    34125 During handling of the above exception, another exception occurred: 
    34126  
    34127 Traceback (most recent call last): 
    34128 File
    34129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34130 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34131 if not self.draw_new_frame(): 
    34132 File
    34133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34134 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34135 changed = view.check_for_drawing_change() 
    34136 File
    34137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34138 packages/chimerax/core/graphics/view.py", line 252, in
    34139 check_for_drawing_change 
    34140 trig.activate_trigger('graphics update', self) 
    34141 File
    34142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34143 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34144 trigger.activate(data) 
    34145 File
    34146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34147 packages/chimerax/core/triggerset.py", line 190, in activate 
    34148 ret = handler.invoke(data, self._remove_bad_handlers) 
    34149 File
    34150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34151 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34152 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34153 File
    34154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34155 packages/chimerax/core/session.py", line 943, in <lambda> 
    34156 logger.report_exception(preface=preface)) 
    34157 File
    34158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34159 packages/chimerax/core/logger.py", line 421, in report_exception 
    34160 elif probably_chimera1_session(exc_info): 
    34161 File
    34162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34163 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34164 etype, evalue, etraceback = exc_info 
    34165 TypeError: cannot unpack non-iterable NoneType object 
    34166  
    34167 TypeError: cannot unpack non-iterable NoneType object 
    34168  
    34169 File
    34170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34171 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34172 etype, evalue, etraceback = exc_info 
    34173  
    34174 See log for complete Python traceback. 
    34175  
    34176 Traceback (most recent call last): 
    34177 File
    34178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34179 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34180 return self._func(self._name, data) 
    34181 File
    34182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34183 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34184 if v.display: 
    34185 File
    34186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34187 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34188 return self._any_displayed_positions and len(self._positions) > 0 
    34189 TypeError: object of type 'NoneType' has no len() 
    34190  
    34191 During handling of the above exception, another exception occurred: 
    34192  
    34193 Traceback (most recent call last): 
    34194 File
    34195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34196 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34197 if not self.draw_new_frame(): 
    34198 File
    34199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34200 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34201 changed = view.check_for_drawing_change() 
    34202 File
    34203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34204 packages/chimerax/core/graphics/view.py", line 252, in
    34205 check_for_drawing_change 
    34206 trig.activate_trigger('graphics update', self) 
    34207 File
    34208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34209 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34210 trigger.activate(data) 
    34211 File
    34212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34213 packages/chimerax/core/triggerset.py", line 190, in activate 
    34214 ret = handler.invoke(data, self._remove_bad_handlers) 
    34215 File
    34216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34217 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34218 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34219 File
    34220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34221 packages/chimerax/core/session.py", line 943, in <lambda> 
    34222 logger.report_exception(preface=preface)) 
    34223 File
    34224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34225 packages/chimerax/core/logger.py", line 421, in report_exception 
    34226 elif probably_chimera1_session(exc_info): 
    34227 File
    34228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34229 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34230 etype, evalue, etraceback = exc_info 
    34231 TypeError: cannot unpack non-iterable NoneType object 
    34232  
    34233 TypeError: cannot unpack non-iterable NoneType object 
    34234  
    34235 File
    34236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34237 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34238 etype, evalue, etraceback = exc_info 
    34239  
    34240 See log for complete Python traceback. 
    34241  
    34242 Traceback (most recent call last): 
    34243 File
    34244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34245 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34246 return self._func(self._name, data) 
    34247 File
    34248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34249 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34250 if v.display: 
    34251 File
    34252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34253 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34254 return self._any_displayed_positions and len(self._positions) > 0 
    34255 TypeError: object of type 'NoneType' has no len() 
    34256  
    34257 During handling of the above exception, another exception occurred: 
    34258  
    34259 Traceback (most recent call last): 
    34260 File
    34261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34262 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34263 if not self.draw_new_frame(): 
    34264 File
    34265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34266 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34267 changed = view.check_for_drawing_change() 
    34268 File
    34269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34270 packages/chimerax/core/graphics/view.py", line 252, in
    34271 check_for_drawing_change 
    34272 trig.activate_trigger('graphics update', self) 
    34273 File
    34274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34275 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34276 trigger.activate(data) 
    34277 File
    34278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34279 packages/chimerax/core/triggerset.py", line 190, in activate 
    34280 ret = handler.invoke(data, self._remove_bad_handlers) 
    34281 File
    34282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34283 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34284 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34285 File
    34286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34287 packages/chimerax/core/session.py", line 943, in <lambda> 
    34288 logger.report_exception(preface=preface)) 
    34289 File
    34290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34291 packages/chimerax/core/logger.py", line 421, in report_exception 
    34292 elif probably_chimera1_session(exc_info): 
    34293 File
    34294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34295 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34296 etype, evalue, etraceback = exc_info 
    34297 TypeError: cannot unpack non-iterable NoneType object 
    34298  
    34299 TypeError: cannot unpack non-iterable NoneType object 
    34300  
    34301 File
    34302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34303 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34304 etype, evalue, etraceback = exc_info 
    34305  
    34306 See log for complete Python traceback. 
    34307  
    34308 Traceback (most recent call last): 
    34309 File
    34310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34311 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34312 return self._func(self._name, data) 
    34313 File
    34314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34315 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34316 if v.display: 
    34317 File
    34318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34319 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34320 return self._any_displayed_positions and len(self._positions) > 0 
    34321 TypeError: object of type 'NoneType' has no len() 
    34322  
    34323 During handling of the above exception, another exception occurred: 
    34324  
    34325 Traceback (most recent call last): 
    34326 File
    34327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34328 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34329 if not self.draw_new_frame(): 
    34330 File
    34331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34332 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34333 changed = view.check_for_drawing_change() 
    34334 File
    34335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34336 packages/chimerax/core/graphics/view.py", line 252, in
    34337 check_for_drawing_change 
    34338 trig.activate_trigger('graphics update', self) 
    34339 File
    34340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34341 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34342 trigger.activate(data) 
    34343 File
    34344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34345 packages/chimerax/core/triggerset.py", line 190, in activate 
    34346 ret = handler.invoke(data, self._remove_bad_handlers) 
    34347 File
    34348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34349 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34350 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34351 File
    34352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34353 packages/chimerax/core/session.py", line 943, in <lambda> 
    34354 logger.report_exception(preface=preface)) 
    34355 File
    34356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34357 packages/chimerax/core/logger.py", line 421, in report_exception 
    34358 elif probably_chimera1_session(exc_info): 
    34359 File
    34360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34361 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34362 etype, evalue, etraceback = exc_info 
    34363 TypeError: cannot unpack non-iterable NoneType object 
    34364  
    34365 TypeError: cannot unpack non-iterable NoneType object 
    34366  
    34367 File
    34368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34369 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34370 etype, evalue, etraceback = exc_info 
    34371  
    34372 See log for complete Python traceback. 
    34373  
    34374 Traceback (most recent call last): 
    34375 File
    34376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34377 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34378 return self._func(self._name, data) 
    34379 File
    34380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34381 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34382 if v.display: 
    34383 File
    34384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34385 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34386 return self._any_displayed_positions and len(self._positions) > 0 
    34387 TypeError: object of type 'NoneType' has no len() 
    34388  
    34389 During handling of the above exception, another exception occurred: 
    34390  
    34391 Traceback (most recent call last): 
    34392 File
    34393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34394 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34395 if not self.draw_new_frame(): 
    34396 File
    34397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34398 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34399 changed = view.check_for_drawing_change() 
    34400 File
    34401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34402 packages/chimerax/core/graphics/view.py", line 252, in
    34403 check_for_drawing_change 
    34404 trig.activate_trigger('graphics update', self) 
    34405 File
    34406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34407 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34408 trigger.activate(data) 
    34409 File
    34410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34411 packages/chimerax/core/triggerset.py", line 190, in activate 
    34412 ret = handler.invoke(data, self._remove_bad_handlers) 
    34413 File
    34414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34415 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34416 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34417 File
    34418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34419 packages/chimerax/core/session.py", line 943, in <lambda> 
    34420 logger.report_exception(preface=preface)) 
    34421 File
    34422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34423 packages/chimerax/core/logger.py", line 421, in report_exception 
    34424 elif probably_chimera1_session(exc_info): 
    34425 File
    34426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34427 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34428 etype, evalue, etraceback = exc_info 
    34429 TypeError: cannot unpack non-iterable NoneType object 
    34430  
    34431 TypeError: cannot unpack non-iterable NoneType object 
    34432  
    34433 File
    34434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34435 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34436 etype, evalue, etraceback = exc_info 
    34437  
    34438 See log for complete Python traceback. 
    34439  
    34440 Traceback (most recent call last): 
    34441 File
    34442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34443 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34444 return self._func(self._name, data) 
    34445 File
    34446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34447 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34448 if v.display: 
    34449 File
    34450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34451 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34452 return self._any_displayed_positions and len(self._positions) > 0 
    34453 TypeError: object of type 'NoneType' has no len() 
    34454  
    34455 During handling of the above exception, another exception occurred: 
    34456  
    34457 Traceback (most recent call last): 
    34458 File
    34459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34460 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34461 if not self.draw_new_frame(): 
    34462 File
    34463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34464 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34465 changed = view.check_for_drawing_change() 
    34466 File
    34467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34468 packages/chimerax/core/graphics/view.py", line 252, in
    34469 check_for_drawing_change 
    34470 trig.activate_trigger('graphics update', self) 
    34471 File
    34472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34473 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34474 trigger.activate(data) 
    34475 File
    34476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34477 packages/chimerax/core/triggerset.py", line 190, in activate 
    34478 ret = handler.invoke(data, self._remove_bad_handlers) 
    34479 File
    34480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34481 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34482 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34483 File
    34484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34485 packages/chimerax/core/session.py", line 943, in <lambda> 
    34486 logger.report_exception(preface=preface)) 
    34487 File
    34488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34489 packages/chimerax/core/logger.py", line 421, in report_exception 
    34490 elif probably_chimera1_session(exc_info): 
    34491 File
    34492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34493 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34494 etype, evalue, etraceback = exc_info 
    34495 TypeError: cannot unpack non-iterable NoneType object 
    34496  
    34497 TypeError: cannot unpack non-iterable NoneType object 
    34498  
    34499 File
    34500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34501 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34502 etype, evalue, etraceback = exc_info 
    34503  
    34504 See log for complete Python traceback. 
    34505  
    34506 Traceback (most recent call last): 
    34507 File
    34508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34509 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34510 return self._func(self._name, data) 
    34511 File
    34512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34513 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34514 if v.display: 
    34515 File
    34516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34517 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34518 return self._any_displayed_positions and len(self._positions) > 0 
    34519 TypeError: object of type 'NoneType' has no len() 
    34520  
    34521 During handling of the above exception, another exception occurred: 
    34522  
    34523 Traceback (most recent call last): 
    34524 File
    34525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34526 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34527 if not self.draw_new_frame(): 
    34528 File
    34529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34530 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34531 changed = view.check_for_drawing_change() 
    34532 File
    34533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34534 packages/chimerax/core/graphics/view.py", line 252, in
    34535 check_for_drawing_change 
    34536 trig.activate_trigger('graphics update', self) 
    34537 File
    34538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34539 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34540 trigger.activate(data) 
    34541 File
    34542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34543 packages/chimerax/core/triggerset.py", line 190, in activate 
    34544 ret = handler.invoke(data, self._remove_bad_handlers) 
    34545 File
    34546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34547 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34548 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34549 File
    34550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34551 packages/chimerax/core/session.py", line 943, in <lambda> 
    34552 logger.report_exception(preface=preface)) 
    34553 File
    34554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34555 packages/chimerax/core/logger.py", line 421, in report_exception 
    34556 elif probably_chimera1_session(exc_info): 
    34557 File
    34558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34559 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34560 etype, evalue, etraceback = exc_info 
    34561 TypeError: cannot unpack non-iterable NoneType object 
    34562  
    34563 TypeError: cannot unpack non-iterable NoneType object 
    34564  
    34565 File
    34566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34567 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34568 etype, evalue, etraceback = exc_info 
    34569  
    34570 See log for complete Python traceback. 
    34571  
    34572 Traceback (most recent call last): 
    34573 File
    34574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34575 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34576 return self._func(self._name, data) 
    34577 File
    34578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34579 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34580 if v.display: 
    34581 File
    34582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34583 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34584 return self._any_displayed_positions and len(self._positions) > 0 
    34585 TypeError: object of type 'NoneType' has no len() 
    34586  
    34587 During handling of the above exception, another exception occurred: 
    34588  
    34589 Traceback (most recent call last): 
    34590 File
    34591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34592 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34593 if not self.draw_new_frame(): 
    34594 File
    34595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34596 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34597 changed = view.check_for_drawing_change() 
    34598 File
    34599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34600 packages/chimerax/core/graphics/view.py", line 252, in
    34601 check_for_drawing_change 
    34602 trig.activate_trigger('graphics update', self) 
    34603 File
    34604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34605 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34606 trigger.activate(data) 
    34607 File
    34608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34609 packages/chimerax/core/triggerset.py", line 190, in activate 
    34610 ret = handler.invoke(data, self._remove_bad_handlers) 
    34611 File
    34612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34613 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34614 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34615 File
    34616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34617 packages/chimerax/core/session.py", line 943, in <lambda> 
    34618 logger.report_exception(preface=preface)) 
    34619 File
    34620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34621 packages/chimerax/core/logger.py", line 421, in report_exception 
    34622 elif probably_chimera1_session(exc_info): 
    34623 File
    34624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34625 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34626 etype, evalue, etraceback = exc_info 
    34627 TypeError: cannot unpack non-iterable NoneType object 
    34628  
    34629 TypeError: cannot unpack non-iterable NoneType object 
    34630  
    34631 File
    34632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34633 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34634 etype, evalue, etraceback = exc_info 
    34635  
    34636 See log for complete Python traceback. 
    34637  
    34638 Traceback (most recent call last): 
    34639 File
    34640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34641 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34642 return self._func(self._name, data) 
    34643 File
    34644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34645 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34646 if v.display: 
    34647 File
    34648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34649 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34650 return self._any_displayed_positions and len(self._positions) > 0 
    34651 TypeError: object of type 'NoneType' has no len() 
    34652  
    34653 During handling of the above exception, another exception occurred: 
    34654  
    34655 Traceback (most recent call last): 
    34656 File
    34657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34658 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34659 if not self.draw_new_frame(): 
    34660 File
    34661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34662 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34663 changed = view.check_for_drawing_change() 
    34664 File
    34665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34666 packages/chimerax/core/graphics/view.py", line 252, in
    34667 check_for_drawing_change 
    34668 trig.activate_trigger('graphics update', self) 
    34669 File
    34670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34671 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34672 trigger.activate(data) 
    34673 File
    34674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34675 packages/chimerax/core/triggerset.py", line 190, in activate 
    34676 ret = handler.invoke(data, self._remove_bad_handlers) 
    34677 File
    34678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34679 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34680 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34681 File
    34682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34683 packages/chimerax/core/session.py", line 943, in <lambda> 
    34684 logger.report_exception(preface=preface)) 
    34685 File
    34686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34687 packages/chimerax/core/logger.py", line 421, in report_exception 
    34688 elif probably_chimera1_session(exc_info): 
    34689 File
    34690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34691 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34692 etype, evalue, etraceback = exc_info 
    34693 TypeError: cannot unpack non-iterable NoneType object 
    34694  
    34695 TypeError: cannot unpack non-iterable NoneType object 
    34696  
    34697 File
    34698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34699 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34700 etype, evalue, etraceback = exc_info 
    34701  
    34702 See log for complete Python traceback. 
    34703  
    34704 Traceback (most recent call last): 
    34705 File
    34706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34707 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34708 return self._func(self._name, data) 
    34709 File
    34710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34711 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34712 if v.display: 
    34713 File
    34714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34715 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34716 return self._any_displayed_positions and len(self._positions) > 0 
    34717 TypeError: object of type 'NoneType' has no len() 
    34718  
    34719 During handling of the above exception, another exception occurred: 
    34720  
    34721 Traceback (most recent call last): 
    34722 File
    34723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34724 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34725 if not self.draw_new_frame(): 
    34726 File
    34727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34728 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34729 changed = view.check_for_drawing_change() 
    34730 File
    34731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34732 packages/chimerax/core/graphics/view.py", line 252, in
    34733 check_for_drawing_change 
    34734 trig.activate_trigger('graphics update', self) 
    34735 File
    34736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34737 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34738 trigger.activate(data) 
    34739 File
    34740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34741 packages/chimerax/core/triggerset.py", line 190, in activate 
    34742 ret = handler.invoke(data, self._remove_bad_handlers) 
    34743 File
    34744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34745 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34746 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34747 File
    34748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34749 packages/chimerax/core/session.py", line 943, in <lambda> 
    34750 logger.report_exception(preface=preface)) 
    34751 File
    34752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34753 packages/chimerax/core/logger.py", line 421, in report_exception 
    34754 elif probably_chimera1_session(exc_info): 
    34755 File
    34756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34757 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34758 etype, evalue, etraceback = exc_info 
    34759 TypeError: cannot unpack non-iterable NoneType object 
    34760  
    34761 TypeError: cannot unpack non-iterable NoneType object 
    34762  
    34763 File
    34764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34765 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34766 etype, evalue, etraceback = exc_info 
    34767  
    34768 See log for complete Python traceback. 
    34769  
    34770 Traceback (most recent call last): 
    34771 File
    34772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34773 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34774 return self._func(self._name, data) 
    34775 File
    34776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34777 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34778 if v.display: 
    34779 File
    34780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34781 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34782 return self._any_displayed_positions and len(self._positions) > 0 
    34783 TypeError: object of type 'NoneType' has no len() 
    34784  
    34785 During handling of the above exception, another exception occurred: 
    34786  
    34787 Traceback (most recent call last): 
    34788 File
    34789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34790 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34791 if not self.draw_new_frame(): 
    34792 File
    34793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34794 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34795 changed = view.check_for_drawing_change() 
    34796 File
    34797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34798 packages/chimerax/core/graphics/view.py", line 252, in
    34799 check_for_drawing_change 
    34800 trig.activate_trigger('graphics update', self) 
    34801 File
    34802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34803 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34804 trigger.activate(data) 
    34805 File
    34806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34807 packages/chimerax/core/triggerset.py", line 190, in activate 
    34808 ret = handler.invoke(data, self._remove_bad_handlers) 
    34809 File
    34810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34811 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34812 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34813 File
    34814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34815 packages/chimerax/core/session.py", line 943, in <lambda> 
    34816 logger.report_exception(preface=preface)) 
    34817 File
    34818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34819 packages/chimerax/core/logger.py", line 421, in report_exception 
    34820 elif probably_chimera1_session(exc_info): 
    34821 File
    34822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34823 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34824 etype, evalue, etraceback = exc_info 
    34825 TypeError: cannot unpack non-iterable NoneType object 
    34826  
    34827 TypeError: cannot unpack non-iterable NoneType object 
    34828  
    34829 File
    34830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34831 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34832 etype, evalue, etraceback = exc_info 
    34833  
    34834 See log for complete Python traceback. 
    34835  
    34836 Traceback (most recent call last): 
    34837 File
    34838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34839 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34840 return self._func(self._name, data) 
    34841 File
    34842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34843 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34844 if v.display: 
    34845 File
    34846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34847 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34848 return self._any_displayed_positions and len(self._positions) > 0 
    34849 TypeError: object of type 'NoneType' has no len() 
    34850  
    34851 During handling of the above exception, another exception occurred: 
    34852  
    34853 Traceback (most recent call last): 
    34854 File
    34855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34856 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34857 if not self.draw_new_frame(): 
    34858 File
    34859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34860 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34861 changed = view.check_for_drawing_change() 
    34862 File
    34863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34864 packages/chimerax/core/graphics/view.py", line 252, in
    34865 check_for_drawing_change 
    34866 trig.activate_trigger('graphics update', self) 
    34867 File
    34868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34869 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34870 trigger.activate(data) 
    34871 File
    34872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34873 packages/chimerax/core/triggerset.py", line 190, in activate 
    34874 ret = handler.invoke(data, self._remove_bad_handlers) 
    34875 File
    34876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34877 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34878 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34879 File
    34880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34881 packages/chimerax/core/session.py", line 943, in <lambda> 
    34882 logger.report_exception(preface=preface)) 
    34883 File
    34884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34885 packages/chimerax/core/logger.py", line 421, in report_exception 
    34886 elif probably_chimera1_session(exc_info): 
    34887 File
    34888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34889 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34890 etype, evalue, etraceback = exc_info 
    34891 TypeError: cannot unpack non-iterable NoneType object 
    34892  
    34893 TypeError: cannot unpack non-iterable NoneType object 
    34894  
    34895 File
    34896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34897 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34898 etype, evalue, etraceback = exc_info 
    34899  
    34900 See log for complete Python traceback. 
    34901  
    34902 Traceback (most recent call last): 
    34903 File
    34904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34905 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34906 return self._func(self._name, data) 
    34907 File
    34908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34909 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34910 if v.display: 
    34911 File
    34912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34913 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34914 return self._any_displayed_positions and len(self._positions) > 0 
    34915 TypeError: object of type 'NoneType' has no len() 
    34916  
    34917 During handling of the above exception, another exception occurred: 
    34918  
    34919 Traceback (most recent call last): 
    34920 File
    34921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34922 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34923 if not self.draw_new_frame(): 
    34924 File
    34925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34926 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34927 changed = view.check_for_drawing_change() 
    34928 File
    34929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34930 packages/chimerax/core/graphics/view.py", line 252, in
    34931 check_for_drawing_change 
    34932 trig.activate_trigger('graphics update', self) 
    34933 File
    34934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34935 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34936 trigger.activate(data) 
    34937 File
    34938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34939 packages/chimerax/core/triggerset.py", line 190, in activate 
    34940 ret = handler.invoke(data, self._remove_bad_handlers) 
    34941 File
    34942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34943 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34944 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34945 File
    34946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34947 packages/chimerax/core/session.py", line 943, in <lambda> 
    34948 logger.report_exception(preface=preface)) 
    34949 File
    34950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34951 packages/chimerax/core/logger.py", line 421, in report_exception 
    34952 elif probably_chimera1_session(exc_info): 
    34953 File
    34954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34955 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34956 etype, evalue, etraceback = exc_info 
    34957 TypeError: cannot unpack non-iterable NoneType object 
    34958  
    34959 TypeError: cannot unpack non-iterable NoneType object 
    34960  
    34961 File
    34962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34963 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34964 etype, evalue, etraceback = exc_info 
    34965  
    34966 See log for complete Python traceback. 
    34967  
    34968 Traceback (most recent call last): 
    34969 File
    34970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34971 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34972 return self._func(self._name, data) 
    34973 File
    34974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34975 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34976 if v.display: 
    34977 File
    34978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34979 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34980 return self._any_displayed_positions and len(self._positions) > 0 
    34981 TypeError: object of type 'NoneType' has no len() 
    34982  
    34983 During handling of the above exception, another exception occurred: 
    34984  
    34985 Traceback (most recent call last): 
    34986 File
    34987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34988 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34989 if not self.draw_new_frame(): 
    34990 File
    34991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34992 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34993 changed = view.check_for_drawing_change() 
    34994 File
    34995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34996 packages/chimerax/core/graphics/view.py", line 252, in
    34997 check_for_drawing_change 
    34998 trig.activate_trigger('graphics update', self) 
    34999 File
    35000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35001 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35002 trigger.activate(data) 
    35003 File
    35004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35005 packages/chimerax/core/triggerset.py", line 190, in activate 
    35006 ret = handler.invoke(data, self._remove_bad_handlers) 
    35007 File
    35008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35009 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35010 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35011 File
    35012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35013 packages/chimerax/core/session.py", line 943, in <lambda> 
    35014 logger.report_exception(preface=preface)) 
    35015 File
    35016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35017 packages/chimerax/core/logger.py", line 421, in report_exception 
    35018 elif probably_chimera1_session(exc_info): 
    35019 File
    35020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35021 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35022 etype, evalue, etraceback = exc_info 
    35023 TypeError: cannot unpack non-iterable NoneType object 
    35024  
    35025 TypeError: cannot unpack non-iterable NoneType object 
    35026  
    35027 File
    35028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35029 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35030 etype, evalue, etraceback = exc_info 
    35031  
    35032 See log for complete Python traceback. 
    35033  
    35034 Traceback (most recent call last): 
    35035 File
    35036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35037 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35038 return self._func(self._name, data) 
    35039 File
    35040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35041 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35042 if v.display: 
    35043 File
    35044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35045 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35046 return self._any_displayed_positions and len(self._positions) > 0 
    35047 TypeError: object of type 'NoneType' has no len() 
    35048  
    35049 During handling of the above exception, another exception occurred: 
    35050  
    35051 Traceback (most recent call last): 
    35052 File
    35053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35054 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35055 if not self.draw_new_frame(): 
    35056 File
    35057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35058 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35059 changed = view.check_for_drawing_change() 
    35060 File
    35061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35062 packages/chimerax/core/graphics/view.py", line 252, in
    35063 check_for_drawing_change 
    35064 trig.activate_trigger('graphics update', self) 
    35065 File
    35066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35067 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35068 trigger.activate(data) 
    35069 File
    35070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35071 packages/chimerax/core/triggerset.py", line 190, in activate 
    35072 ret = handler.invoke(data, self._remove_bad_handlers) 
    35073 File
    35074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35075 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35076 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35077 File
    35078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35079 packages/chimerax/core/session.py", line 943, in <lambda> 
    35080 logger.report_exception(preface=preface)) 
    35081 File
    35082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35083 packages/chimerax/core/logger.py", line 421, in report_exception 
    35084 elif probably_chimera1_session(exc_info): 
    35085 File
    35086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35087 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35088 etype, evalue, etraceback = exc_info 
    35089 TypeError: cannot unpack non-iterable NoneType object 
    35090  
    35091 TypeError: cannot unpack non-iterable NoneType object 
    35092  
    35093 File
    35094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35095 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35096 etype, evalue, etraceback = exc_info 
    35097  
    35098 See log for complete Python traceback. 
    35099  
    35100 Traceback (most recent call last): 
    35101 File
    35102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35103 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35104 return self._func(self._name, data) 
    35105 File
    35106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35107 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35108 if v.display: 
    35109 File
    35110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35111 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35112 return self._any_displayed_positions and len(self._positions) > 0 
    35113 TypeError: object of type 'NoneType' has no len() 
    35114  
    35115 During handling of the above exception, another exception occurred: 
    35116  
    35117 Traceback (most recent call last): 
    35118 File
    35119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35120 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35121 if not self.draw_new_frame(): 
    35122 File
    35123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35124 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35125 changed = view.check_for_drawing_change() 
    35126 File
    35127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35128 packages/chimerax/core/graphics/view.py", line 252, in
    35129 check_for_drawing_change 
    35130 trig.activate_trigger('graphics update', self) 
    35131 File
    35132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35133 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35134 trigger.activate(data) 
    35135 File
    35136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35137 packages/chimerax/core/triggerset.py", line 190, in activate 
    35138 ret = handler.invoke(data, self._remove_bad_handlers) 
    35139 File
    35140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35141 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35142 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35143 File
    35144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35145 packages/chimerax/core/session.py", line 943, in <lambda> 
    35146 logger.report_exception(preface=preface)) 
    35147 File
    35148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35149 packages/chimerax/core/logger.py", line 421, in report_exception 
    35150 elif probably_chimera1_session(exc_info): 
    35151 File
    35152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35153 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35154 etype, evalue, etraceback = exc_info 
    35155 TypeError: cannot unpack non-iterable NoneType object 
    35156  
    35157 TypeError: cannot unpack non-iterable NoneType object 
    35158  
    35159 File
    35160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35161 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35162 etype, evalue, etraceback = exc_info 
    35163  
    35164 See log for complete Python traceback. 
    35165  
    35166 Traceback (most recent call last): 
    35167 File
    35168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35169 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35170 return self._func(self._name, data) 
    35171 File
    35172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35173 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35174 if v.display: 
    35175 File
    35176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35177 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35178 return self._any_displayed_positions and len(self._positions) > 0 
    35179 TypeError: object of type 'NoneType' has no len() 
    35180  
    35181 During handling of the above exception, another exception occurred: 
    35182  
    35183 Traceback (most recent call last): 
    35184 File
    35185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35186 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35187 if not self.draw_new_frame(): 
    35188 File
    35189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35190 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35191 changed = view.check_for_drawing_change() 
    35192 File
    35193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35194 packages/chimerax/core/graphics/view.py", line 252, in
    35195 check_for_drawing_change 
    35196 trig.activate_trigger('graphics update', self) 
    35197 File
    35198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35199 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35200 trigger.activate(data) 
    35201 File
    35202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35203 packages/chimerax/core/triggerset.py", line 190, in activate 
    35204 ret = handler.invoke(data, self._remove_bad_handlers) 
    35205 File
    35206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35207 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35208 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35209 File
    35210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35211 packages/chimerax/core/session.py", line 943, in <lambda> 
    35212 logger.report_exception(preface=preface)) 
    35213 File
    35214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35215 packages/chimerax/core/logger.py", line 421, in report_exception 
    35216 elif probably_chimera1_session(exc_info): 
    35217 File
    35218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35219 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35220 etype, evalue, etraceback = exc_info 
    35221 TypeError: cannot unpack non-iterable NoneType object 
    35222  
    35223 TypeError: cannot unpack non-iterable NoneType object 
    35224  
    35225 File
    35226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35227 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35228 etype, evalue, etraceback = exc_info 
    35229  
    35230 See log for complete Python traceback. 
    35231  
    35232 Traceback (most recent call last): 
    35233 File
    35234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35235 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35236 return self._func(self._name, data) 
    35237 File
    35238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35239 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35240 if v.display: 
    35241 File
    35242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35243 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35244 return self._any_displayed_positions and len(self._positions) > 0 
    35245 TypeError: object of type 'NoneType' has no len() 
    35246  
    35247 During handling of the above exception, another exception occurred: 
    35248  
    35249 Traceback (most recent call last): 
    35250 File
    35251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35252 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35253 if not self.draw_new_frame(): 
    35254 File
    35255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35256 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35257 changed = view.check_for_drawing_change() 
    35258 File
    35259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35260 packages/chimerax/core/graphics/view.py", line 252, in
    35261 check_for_drawing_change 
    35262 trig.activate_trigger('graphics update', self) 
    35263 File
    35264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35265 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35266 trigger.activate(data) 
    35267 File
    35268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35269 packages/chimerax/core/triggerset.py", line 190, in activate 
    35270 ret = handler.invoke(data, self._remove_bad_handlers) 
    35271 File
    35272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35273 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35274 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35275 File
    35276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35277 packages/chimerax/core/session.py", line 943, in <lambda> 
    35278 logger.report_exception(preface=preface)) 
    35279 File
    35280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35281 packages/chimerax/core/logger.py", line 421, in report_exception 
    35282 elif probably_chimera1_session(exc_info): 
    35283 File
    35284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35285 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35286 etype, evalue, etraceback = exc_info 
    35287 TypeError: cannot unpack non-iterable NoneType object 
    35288  
    35289 TypeError: cannot unpack non-iterable NoneType object 
    35290  
    35291 File
    35292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35293 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35294 etype, evalue, etraceback = exc_info 
    35295  
    35296 See log for complete Python traceback. 
    35297  
    35298 Traceback (most recent call last): 
    35299 File
    35300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35301 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35302 return self._func(self._name, data) 
    35303 File
    35304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35305 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35306 if v.display: 
    35307 File
    35308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35309 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35310 return self._any_displayed_positions and len(self._positions) > 0 
    35311 TypeError: object of type 'NoneType' has no len() 
    35312  
    35313 During handling of the above exception, another exception occurred: 
    35314  
    35315 Traceback (most recent call last): 
    35316 File
    35317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35318 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35319 if not self.draw_new_frame(): 
    35320 File
    35321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35322 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35323 changed = view.check_for_drawing_change() 
    35324 File
    35325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35326 packages/chimerax/core/graphics/view.py", line 252, in
    35327 check_for_drawing_change 
    35328 trig.activate_trigger('graphics update', self) 
    35329 File
    35330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35331 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35332 trigger.activate(data) 
    35333 File
    35334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35335 packages/chimerax/core/triggerset.py", line 190, in activate 
    35336 ret = handler.invoke(data, self._remove_bad_handlers) 
    35337 File
    35338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35339 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35340 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35341 File
    35342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35343 packages/chimerax/core/session.py", line 943, in <lambda> 
    35344 logger.report_exception(preface=preface)) 
    35345 File
    35346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35347 packages/chimerax/core/logger.py", line 421, in report_exception 
    35348 elif probably_chimera1_session(exc_info): 
    35349 File
    35350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35351 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35352 etype, evalue, etraceback = exc_info 
    35353 TypeError: cannot unpack non-iterable NoneType object 
    35354  
    35355 TypeError: cannot unpack non-iterable NoneType object 
    35356  
    35357 File
    35358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35359 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35360 etype, evalue, etraceback = exc_info 
    35361  
    35362 See log for complete Python traceback. 
    35363  
    35364 Traceback (most recent call last): 
    35365 File
    35366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35367 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35368 return self._func(self._name, data) 
    35369 File
    35370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35371 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35372 if v.display: 
    35373 File
    35374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35375 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35376 return self._any_displayed_positions and len(self._positions) > 0 
    35377 TypeError: object of type 'NoneType' has no len() 
    35378  
    35379 During handling of the above exception, another exception occurred: 
    35380  
    35381 Traceback (most recent call last): 
    35382 File
    35383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35384 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35385 if not self.draw_new_frame(): 
    35386 File
    35387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35388 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35389 changed = view.check_for_drawing_change() 
    35390 File
    35391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35392 packages/chimerax/core/graphics/view.py", line 252, in
    35393 check_for_drawing_change 
    35394 trig.activate_trigger('graphics update', self) 
    35395 File
    35396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35397 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35398 trigger.activate(data) 
    35399 File
    35400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35401 packages/chimerax/core/triggerset.py", line 190, in activate 
    35402 ret = handler.invoke(data, self._remove_bad_handlers) 
    35403 File
    35404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35405 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35406 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35407 File
    35408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35409 packages/chimerax/core/session.py", line 943, in <lambda> 
    35410 logger.report_exception(preface=preface)) 
    35411 File
    35412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35413 packages/chimerax/core/logger.py", line 421, in report_exception 
    35414 elif probably_chimera1_session(exc_info): 
    35415 File
    35416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35417 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35418 etype, evalue, etraceback = exc_info 
    35419 TypeError: cannot unpack non-iterable NoneType object 
    35420  
    35421 TypeError: cannot unpack non-iterable NoneType object 
    35422  
    35423 File
    35424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35425 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35426 etype, evalue, etraceback = exc_info 
    35427  
    35428 See log for complete Python traceback. 
    35429  
    35430 Traceback (most recent call last): 
    35431 File
    35432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35433 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35434 return self._func(self._name, data) 
    35435 File
    35436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35437 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35438 if v.display: 
    35439 File
    35440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35441 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35442 return self._any_displayed_positions and len(self._positions) > 0 
    35443 TypeError: object of type 'NoneType' has no len() 
    35444  
    35445 During handling of the above exception, another exception occurred: 
    35446  
    35447 Traceback (most recent call last): 
    35448 File
    35449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35450 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35451 if not self.draw_new_frame(): 
    35452 File
    35453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35454 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35455 changed = view.check_for_drawing_change() 
    35456 File
    35457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35458 packages/chimerax/core/graphics/view.py", line 252, in
    35459 check_for_drawing_change 
    35460 trig.activate_trigger('graphics update', self) 
    35461 File
    35462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35463 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35464 trigger.activate(data) 
    35465 File
    35466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35467 packages/chimerax/core/triggerset.py", line 190, in activate 
    35468 ret = handler.invoke(data, self._remove_bad_handlers) 
    35469 File
    35470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35471 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35472 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35473 File
    35474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35475 packages/chimerax/core/session.py", line 943, in <lambda> 
    35476 logger.report_exception(preface=preface)) 
    35477 File
    35478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35479 packages/chimerax/core/logger.py", line 421, in report_exception 
    35480 elif probably_chimera1_session(exc_info): 
    35481 File
    35482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35483 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35484 etype, evalue, etraceback = exc_info 
    35485 TypeError: cannot unpack non-iterable NoneType object 
    35486  
    35487 TypeError: cannot unpack non-iterable NoneType object 
    35488  
    35489 File
    35490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35491 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35492 etype, evalue, etraceback = exc_info 
    35493  
    35494 See log for complete Python traceback. 
    35495  
    35496 Traceback (most recent call last): 
    35497 File
    35498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35499 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35500 return self._func(self._name, data) 
    35501 File
    35502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35503 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35504 if v.display: 
    35505 File
    35506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35507 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35508 return self._any_displayed_positions and len(self._positions) > 0 
    35509 TypeError: object of type 'NoneType' has no len() 
    35510  
    35511 During handling of the above exception, another exception occurred: 
    35512  
    35513 Traceback (most recent call last): 
    35514 File
    35515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35516 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35517 if not self.draw_new_frame(): 
    35518 File
    35519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35520 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35521 changed = view.check_for_drawing_change() 
    35522 File
    35523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35524 packages/chimerax/core/graphics/view.py", line 252, in
    35525 check_for_drawing_change 
    35526 trig.activate_trigger('graphics update', self) 
    35527 File
    35528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35529 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35530 trigger.activate(data) 
    35531 File
    35532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35533 packages/chimerax/core/triggerset.py", line 190, in activate 
    35534 ret = handler.invoke(data, self._remove_bad_handlers) 
    35535 File
    35536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35537 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35538 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35539 File
    35540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35541 packages/chimerax/core/session.py", line 943, in <lambda> 
    35542 logger.report_exception(preface=preface)) 
    35543 File
    35544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35545 packages/chimerax/core/logger.py", line 421, in report_exception 
    35546 elif probably_chimera1_session(exc_info): 
    35547 File
    35548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35549 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35550 etype, evalue, etraceback = exc_info 
    35551 TypeError: cannot unpack non-iterable NoneType object 
    35552  
    35553 TypeError: cannot unpack non-iterable NoneType object 
    35554  
    35555 File
    35556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35557 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35558 etype, evalue, etraceback = exc_info 
    35559  
    35560 See log for complete Python traceback. 
    35561  
    35562 Traceback (most recent call last): 
    35563 File
    35564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35565 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35566 return self._func(self._name, data) 
    35567 File
    35568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35569 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35570 if v.display: 
    35571 File
    35572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35573 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35574 return self._any_displayed_positions and len(self._positions) > 0 
    35575 TypeError: object of type 'NoneType' has no len() 
    35576  
    35577 During handling of the above exception, another exception occurred: 
    35578  
    35579 Traceback (most recent call last): 
    35580 File
    35581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35582 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35583 if not self.draw_new_frame(): 
    35584 File
    35585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35586 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35587 changed = view.check_for_drawing_change() 
    35588 File
    35589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35590 packages/chimerax/core/graphics/view.py", line 252, in
    35591 check_for_drawing_change 
    35592 trig.activate_trigger('graphics update', self) 
    35593 File
    35594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35595 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35596 trigger.activate(data) 
    35597 File
    35598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35599 packages/chimerax/core/triggerset.py", line 190, in activate 
    35600 ret = handler.invoke(data, self._remove_bad_handlers) 
    35601 File
    35602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35603 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35604 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35605 File
    35606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35607 packages/chimerax/core/session.py", line 943, in <lambda> 
    35608 logger.report_exception(preface=preface)) 
    35609 File
    35610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35611 packages/chimerax/core/logger.py", line 421, in report_exception 
    35612 elif probably_chimera1_session(exc_info): 
    35613 File
    35614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35615 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35616 etype, evalue, etraceback = exc_info 
    35617 TypeError: cannot unpack non-iterable NoneType object 
    35618  
    35619 TypeError: cannot unpack non-iterable NoneType object 
    35620  
    35621 File
    35622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35623 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35624 etype, evalue, etraceback = exc_info 
    35625  
    35626 See log for complete Python traceback. 
    35627  
    35628 Traceback (most recent call last): 
    35629 File
    35630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35631 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35632 return self._func(self._name, data) 
    35633 File
    35634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35635 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35636 if v.display: 
    35637 File
    35638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35639 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35640 return self._any_displayed_positions and len(self._positions) > 0 
    35641 TypeError: object of type 'NoneType' has no len() 
    35642  
    35643 During handling of the above exception, another exception occurred: 
    35644  
    35645 Traceback (most recent call last): 
    35646 File
    35647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35648 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35649 if not self.draw_new_frame(): 
    35650 File
    35651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35652 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35653 changed = view.check_for_drawing_change() 
    35654 File
    35655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35656 packages/chimerax/core/graphics/view.py", line 252, in
    35657 check_for_drawing_change 
    35658 trig.activate_trigger('graphics update', self) 
    35659 File
    35660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35661 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35662 trigger.activate(data) 
    35663 File
    35664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35665 packages/chimerax/core/triggerset.py", line 190, in activate 
    35666 ret = handler.invoke(data, self._remove_bad_handlers) 
    35667 File
    35668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35669 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35670 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35671 File
    35672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35673 packages/chimerax/core/session.py", line 943, in <lambda> 
    35674 logger.report_exception(preface=preface)) 
    35675 File
    35676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35677 packages/chimerax/core/logger.py", line 421, in report_exception 
    35678 elif probably_chimera1_session(exc_info): 
    35679 File
    35680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35681 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35682 etype, evalue, etraceback = exc_info 
    35683 TypeError: cannot unpack non-iterable NoneType object 
    35684  
    35685 TypeError: cannot unpack non-iterable NoneType object 
    35686  
    35687 File
    35688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35689 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35690 etype, evalue, etraceback = exc_info 
    35691  
    35692 See log for complete Python traceback. 
    35693  
    35694 Traceback (most recent call last): 
    35695 File
    35696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35697 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35698 return self._func(self._name, data) 
    35699 File
    35700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35701 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35702 if v.display: 
    35703 File
    35704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35705 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35706 return self._any_displayed_positions and len(self._positions) > 0 
    35707 TypeError: object of type 'NoneType' has no len() 
    35708  
    35709 During handling of the above exception, another exception occurred: 
    35710  
    35711 Traceback (most recent call last): 
    35712 File
    35713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35714 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35715 if not self.draw_new_frame(): 
    35716 File
    35717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35718 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35719 changed = view.check_for_drawing_change() 
    35720 File
    35721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35722 packages/chimerax/core/graphics/view.py", line 252, in
    35723 check_for_drawing_change 
    35724 trig.activate_trigger('graphics update', self) 
    35725 File
    35726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35727 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35728 trigger.activate(data) 
    35729 File
    35730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35731 packages/chimerax/core/triggerset.py", line 190, in activate 
    35732 ret = handler.invoke(data, self._remove_bad_handlers) 
    35733 File
    35734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35735 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35736 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35737 File
    35738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35739 packages/chimerax/core/session.py", line 943, in <lambda> 
    35740 logger.report_exception(preface=preface)) 
    35741 File
    35742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35743 packages/chimerax/core/logger.py", line 421, in report_exception 
    35744 elif probably_chimera1_session(exc_info): 
    35745 File
    35746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35747 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35748 etype, evalue, etraceback = exc_info 
    35749 TypeError: cannot unpack non-iterable NoneType object 
    35750  
    35751 TypeError: cannot unpack non-iterable NoneType object 
    35752  
    35753 File
    35754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35755 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35756 etype, evalue, etraceback = exc_info 
    35757  
    35758 See log for complete Python traceback. 
    35759  
    35760 Traceback (most recent call last): 
    35761 File
    35762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35763 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35764 return self._func(self._name, data) 
    35765 File
    35766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35767 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35768 if v.display: 
    35769 File
    35770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35771 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35772 return self._any_displayed_positions and len(self._positions) > 0 
    35773 TypeError: object of type 'NoneType' has no len() 
    35774  
    35775 During handling of the above exception, another exception occurred: 
    35776  
    35777 Traceback (most recent call last): 
    35778 File
    35779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35780 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35781 if not self.draw_new_frame(): 
    35782 File
    35783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35784 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35785 changed = view.check_for_drawing_change() 
    35786 File
    35787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35788 packages/chimerax/core/graphics/view.py", line 252, in
    35789 check_for_drawing_change 
    35790 trig.activate_trigger('graphics update', self) 
    35791 File
    35792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35793 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35794 trigger.activate(data) 
    35795 File
    35796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35797 packages/chimerax/core/triggerset.py", line 190, in activate 
    35798 ret = handler.invoke(data, self._remove_bad_handlers) 
    35799 File
    35800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35801 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35802 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35803 File
    35804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35805 packages/chimerax/core/session.py", line 943, in <lambda> 
    35806 logger.report_exception(preface=preface)) 
    35807 File
    35808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35809 packages/chimerax/core/logger.py", line 421, in report_exception 
    35810 elif probably_chimera1_session(exc_info): 
    35811 File
    35812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35813 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35814 etype, evalue, etraceback = exc_info 
    35815 TypeError: cannot unpack non-iterable NoneType object 
    35816  
    35817 TypeError: cannot unpack non-iterable NoneType object 
    35818  
    35819 File
    35820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35821 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35822 etype, evalue, etraceback = exc_info 
    35823  
    35824 See log for complete Python traceback. 
    35825  
    35826 Traceback (most recent call last): 
    35827 File
    35828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35829 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35830 return self._func(self._name, data) 
    35831 File
    35832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35833 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35834 if v.display: 
    35835 File
    35836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35837 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35838 return self._any_displayed_positions and len(self._positions) > 0 
    35839 TypeError: object of type 'NoneType' has no len() 
    35840  
    35841 During handling of the above exception, another exception occurred: 
    35842  
    35843 Traceback (most recent call last): 
    35844 File
    35845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35846 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35847 if not self.draw_new_frame(): 
    35848 File
    35849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35850 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35851 changed = view.check_for_drawing_change() 
    35852 File
    35853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35854 packages/chimerax/core/graphics/view.py", line 252, in
    35855 check_for_drawing_change 
    35856 trig.activate_trigger('graphics update', self) 
    35857 File
    35858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35859 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35860 trigger.activate(data) 
    35861 File
    35862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35863 packages/chimerax/core/triggerset.py", line 190, in activate 
    35864 ret = handler.invoke(data, self._remove_bad_handlers) 
    35865 File
    35866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35867 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35868 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35869 File
    35870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35871 packages/chimerax/core/session.py", line 943, in <lambda> 
    35872 logger.report_exception(preface=preface)) 
    35873 File
    35874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35875 packages/chimerax/core/logger.py", line 421, in report_exception 
    35876 elif probably_chimera1_session(exc_info): 
    35877 File
    35878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35879 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35880 etype, evalue, etraceback = exc_info 
    35881 TypeError: cannot unpack non-iterable NoneType object 
    35882  
    35883 TypeError: cannot unpack non-iterable NoneType object 
    35884  
    35885 File
    35886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35887 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35888 etype, evalue, etraceback = exc_info 
    35889  
    35890 See log for complete Python traceback. 
    35891  
    35892 Traceback (most recent call last): 
    35893 File
    35894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35895 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35896 return self._func(self._name, data) 
    35897 File
    35898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35899 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35900 if v.display: 
    35901 File
    35902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35903 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35904 return self._any_displayed_positions and len(self._positions) > 0 
    35905 TypeError: object of type 'NoneType' has no len() 
    35906  
    35907 During handling of the above exception, another exception occurred: 
    35908  
    35909 Traceback (most recent call last): 
    35910 File
    35911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35912 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35913 if not self.draw_new_frame(): 
    35914 File
    35915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35916 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35917 changed = view.check_for_drawing_change() 
    35918 File
    35919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35920 packages/chimerax/core/graphics/view.py", line 252, in
    35921 check_for_drawing_change 
    35922 trig.activate_trigger('graphics update', self) 
    35923 File
    35924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35925 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35926 trigger.activate(data) 
    35927 File
    35928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35929 packages/chimerax/core/triggerset.py", line 190, in activate 
    35930 ret = handler.invoke(data, self._remove_bad_handlers) 
    35931 File
    35932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35933 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35934 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35935 File
    35936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35937 packages/chimerax/core/session.py", line 943, in <lambda> 
    35938 logger.report_exception(preface=preface)) 
    35939 File
    35940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35941 packages/chimerax/core/logger.py", line 421, in report_exception 
    35942 elif probably_chimera1_session(exc_info): 
    35943 File
    35944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35945 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35946 etype, evalue, etraceback = exc_info 
    35947 TypeError: cannot unpack non-iterable NoneType object 
    35948  
    35949 TypeError: cannot unpack non-iterable NoneType object 
    35950  
    35951 File
    35952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35953 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35954 etype, evalue, etraceback = exc_info 
    35955  
    35956 See log for complete Python traceback. 
    35957  
    35958 Traceback (most recent call last): 
    35959 File
    35960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35961 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35962 return self._func(self._name, data) 
    35963 File
    35964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35965 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35966 if v.display: 
    35967 File
    35968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35969 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35970 return self._any_displayed_positions and len(self._positions) > 0 
    35971 TypeError: object of type 'NoneType' has no len() 
    35972  
    35973 During handling of the above exception, another exception occurred: 
    35974  
    35975 Traceback (most recent call last): 
    35976 File
    35977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35978 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35979 if not self.draw_new_frame(): 
    35980 File
    35981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35982 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35983 changed = view.check_for_drawing_change() 
    35984 File
    35985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35986 packages/chimerax/core/graphics/view.py", line 252, in
    35987 check_for_drawing_change 
    35988 trig.activate_trigger('graphics update', self) 
    35989 File
    35990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35991 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35992 trigger.activate(data) 
    35993 File
    35994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35995 packages/chimerax/core/triggerset.py", line 190, in activate 
    35996 ret = handler.invoke(data, self._remove_bad_handlers) 
    35997 File
    35998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35999 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36000 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36001 File
    36002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36003 packages/chimerax/core/session.py", line 943, in <lambda> 
    36004 logger.report_exception(preface=preface)) 
    36005 File
    36006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36007 packages/chimerax/core/logger.py", line 421, in report_exception 
    36008 elif probably_chimera1_session(exc_info): 
    36009 File
    36010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36011 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36012 etype, evalue, etraceback = exc_info 
    36013 TypeError: cannot unpack non-iterable NoneType object 
    36014  
    36015 TypeError: cannot unpack non-iterable NoneType object 
    36016  
    36017 File
    36018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36019 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36020 etype, evalue, etraceback = exc_info 
    36021  
    36022 See log for complete Python traceback. 
    36023  
    36024 Traceback (most recent call last): 
    36025 File
    36026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36027 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36028 return self._func(self._name, data) 
    36029 File
    36030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36031 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36032 if v.display: 
    36033 File
    36034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36035 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36036 return self._any_displayed_positions and len(self._positions) > 0 
    36037 TypeError: object of type 'NoneType' has no len() 
    36038  
    36039 During handling of the above exception, another exception occurred: 
    36040  
    36041 Traceback (most recent call last): 
    36042 File
    36043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36044 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36045 if not self.draw_new_frame(): 
    36046 File
    36047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36048 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36049 changed = view.check_for_drawing_change() 
    36050 File
    36051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36052 packages/chimerax/core/graphics/view.py", line 252, in
    36053 check_for_drawing_change 
    36054 trig.activate_trigger('graphics update', self) 
    36055 File
    36056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36057 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36058 trigger.activate(data) 
    36059 File
    36060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36061 packages/chimerax/core/triggerset.py", line 190, in activate 
    36062 ret = handler.invoke(data, self._remove_bad_handlers) 
    36063 File
    36064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36065 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36066 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36067 File
    36068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36069 packages/chimerax/core/session.py", line 943, in <lambda> 
    36070 logger.report_exception(preface=preface)) 
    36071 File
    36072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36073 packages/chimerax/core/logger.py", line 421, in report_exception 
    36074 elif probably_chimera1_session(exc_info): 
    36075 File
    36076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36077 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36078 etype, evalue, etraceback = exc_info 
    36079 TypeError: cannot unpack non-iterable NoneType object 
    36080  
    36081 TypeError: cannot unpack non-iterable NoneType object 
    36082  
    36083 File
    36084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36085 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36086 etype, evalue, etraceback = exc_info 
    36087  
    36088 See log for complete Python traceback. 
    36089  
    36090 Traceback (most recent call last): 
    36091 File
    36092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36093 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36094 return self._func(self._name, data) 
    36095 File
    36096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36097 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36098 if v.display: 
    36099 File
    36100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36101 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36102 return self._any_displayed_positions and len(self._positions) > 0 
    36103 TypeError: object of type 'NoneType' has no len() 
    36104  
    36105 During handling of the above exception, another exception occurred: 
    36106  
    36107 Traceback (most recent call last): 
    36108 File
    36109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36110 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36111 if not self.draw_new_frame(): 
    36112 File
    36113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36114 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36115 changed = view.check_for_drawing_change() 
    36116 File
    36117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36118 packages/chimerax/core/graphics/view.py", line 252, in
    36119 check_for_drawing_change 
    36120 trig.activate_trigger('graphics update', self) 
    36121 File
    36122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36123 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36124 trigger.activate(data) 
    36125 File
    36126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36127 packages/chimerax/core/triggerset.py", line 190, in activate 
    36128 ret = handler.invoke(data, self._remove_bad_handlers) 
    36129 File
    36130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36131 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36132 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36133 File
    36134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36135 packages/chimerax/core/session.py", line 943, in <lambda> 
    36136 logger.report_exception(preface=preface)) 
    36137 File
    36138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36139 packages/chimerax/core/logger.py", line 421, in report_exception 
    36140 elif probably_chimera1_session(exc_info): 
    36141 File
    36142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36143 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36144 etype, evalue, etraceback = exc_info 
    36145 TypeError: cannot unpack non-iterable NoneType object 
    36146  
    36147 TypeError: cannot unpack non-iterable NoneType object 
    36148  
    36149 File
    36150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36151 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36152 etype, evalue, etraceback = exc_info 
    36153  
    36154 See log for complete Python traceback. 
    36155  
    36156 Traceback (most recent call last): 
    36157 File
    36158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36159 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36160 return self._func(self._name, data) 
    36161 File
    36162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36163 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36164 if v.display: 
    36165 File
    36166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36167 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36168 return self._any_displayed_positions and len(self._positions) > 0 
    36169 TypeError: object of type 'NoneType' has no len() 
    36170  
    36171 During handling of the above exception, another exception occurred: 
    36172  
    36173 Traceback (most recent call last): 
    36174 File
    36175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36176 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36177 if not self.draw_new_frame(): 
    36178 File
    36179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36180 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36181 changed = view.check_for_drawing_change() 
    36182 File
    36183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36184 packages/chimerax/core/graphics/view.py", line 252, in
    36185 check_for_drawing_change 
    36186 trig.activate_trigger('graphics update', self) 
    36187 File
    36188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36189 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36190 trigger.activate(data) 
    36191 File
    36192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36193 packages/chimerax/core/triggerset.py", line 190, in activate 
    36194 ret = handler.invoke(data, self._remove_bad_handlers) 
    36195 File
    36196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36197 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36198 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36199 File
    36200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36201 packages/chimerax/core/session.py", line 943, in <lambda> 
    36202 logger.report_exception(preface=preface)) 
    36203 File
    36204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36205 packages/chimerax/core/logger.py", line 421, in report_exception 
    36206 elif probably_chimera1_session(exc_info): 
    36207 File
    36208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36209 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36210 etype, evalue, etraceback = exc_info 
    36211 TypeError: cannot unpack non-iterable NoneType object 
    36212  
    36213 TypeError: cannot unpack non-iterable NoneType object 
    36214  
    36215 File
    36216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36217 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36218 etype, evalue, etraceback = exc_info 
    36219  
    36220 See log for complete Python traceback. 
    36221  
    36222 Traceback (most recent call last): 
    36223 File
    36224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36225 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36226 return self._func(self._name, data) 
    36227 File
    36228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36229 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36230 if v.display: 
    36231 File
    36232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36233 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36234 return self._any_displayed_positions and len(self._positions) > 0 
    36235 TypeError: object of type 'NoneType' has no len() 
    36236  
    36237 During handling of the above exception, another exception occurred: 
    36238  
    36239 Traceback (most recent call last): 
    36240 File
    36241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36242 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36243 if not self.draw_new_frame(): 
    36244 File
    36245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36246 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36247 changed = view.check_for_drawing_change() 
    36248 File
    36249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36250 packages/chimerax/core/graphics/view.py", line 252, in
    36251 check_for_drawing_change 
    36252 trig.activate_trigger('graphics update', self) 
    36253 File
    36254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36255 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36256 trigger.activate(data) 
    36257 File
    36258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36259 packages/chimerax/core/triggerset.py", line 190, in activate 
    36260 ret = handler.invoke(data, self._remove_bad_handlers) 
    36261 File
    36262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36263 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36264 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36265 File
    36266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36267 packages/chimerax/core/session.py", line 943, in <lambda> 
    36268 logger.report_exception(preface=preface)) 
    36269 File
    36270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36271 packages/chimerax/core/logger.py", line 421, in report_exception 
    36272 elif probably_chimera1_session(exc_info): 
    36273 File
    36274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36275 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36276 etype, evalue, etraceback = exc_info 
    36277 TypeError: cannot unpack non-iterable NoneType object 
    36278  
    36279 TypeError: cannot unpack non-iterable NoneType object 
    36280  
    36281 File
    36282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36283 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36284 etype, evalue, etraceback = exc_info 
    36285  
    36286 See log for complete Python traceback. 
    36287  
    36288 Traceback (most recent call last): 
    36289 File
    36290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36291 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36292 return self._func(self._name, data) 
    36293 File
    36294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36295 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36296 if v.display: 
    36297 File
    36298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36299 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36300 return self._any_displayed_positions and len(self._positions) > 0 
    36301 TypeError: object of type 'NoneType' has no len() 
    36302  
    36303 During handling of the above exception, another exception occurred: 
    36304  
    36305 Traceback (most recent call last): 
    36306 File
    36307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36308 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36309 if not self.draw_new_frame(): 
    36310 File
    36311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36312 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36313 changed = view.check_for_drawing_change() 
    36314 File
    36315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36316 packages/chimerax/core/graphics/view.py", line 252, in
    36317 check_for_drawing_change 
    36318 trig.activate_trigger('graphics update', self) 
    36319 File
    36320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36321 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36322 trigger.activate(data) 
    36323 File
    36324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36325 packages/chimerax/core/triggerset.py", line 190, in activate 
    36326 ret = handler.invoke(data, self._remove_bad_handlers) 
    36327 File
    36328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36329 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36330 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36331 File
    36332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36333 packages/chimerax/core/session.py", line 943, in <lambda> 
    36334 logger.report_exception(preface=preface)) 
    36335 File
    36336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36337 packages/chimerax/core/logger.py", line 421, in report_exception 
    36338 elif probably_chimera1_session(exc_info): 
    36339 File
    36340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36341 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36342 etype, evalue, etraceback = exc_info 
    36343 TypeError: cannot unpack non-iterable NoneType object 
    36344  
    36345 TypeError: cannot unpack non-iterable NoneType object 
    36346  
    36347 File
    36348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36349 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36350 etype, evalue, etraceback = exc_info 
    36351  
    36352 See log for complete Python traceback. 
    36353  
    36354 Traceback (most recent call last): 
    36355 File
    36356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36357 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36358 return self._func(self._name, data) 
    36359 File
    36360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36361 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36362 if v.display: 
    36363 File
    36364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36365 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36366 return self._any_displayed_positions and len(self._positions) > 0 
    36367 TypeError: object of type 'NoneType' has no len() 
    36368  
    36369 During handling of the above exception, another exception occurred: 
    36370  
    36371 Traceback (most recent call last): 
    36372 File
    36373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36374 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36375 if not self.draw_new_frame(): 
    36376 File
    36377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36378 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36379 changed = view.check_for_drawing_change() 
    36380 File
    36381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36382 packages/chimerax/core/graphics/view.py", line 252, in
    36383 check_for_drawing_change 
    36384 trig.activate_trigger('graphics update', self) 
    36385 File
    36386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36387 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36388 trigger.activate(data) 
    36389 File
    36390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36391 packages/chimerax/core/triggerset.py", line 190, in activate 
    36392 ret = handler.invoke(data, self._remove_bad_handlers) 
    36393 File
    36394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36395 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36396 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36397 File
    36398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36399 packages/chimerax/core/session.py", line 943, in <lambda> 
    36400 logger.report_exception(preface=preface)) 
    36401 File
    36402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36403 packages/chimerax/core/logger.py", line 421, in report_exception 
    36404 elif probably_chimera1_session(exc_info): 
    36405 File
    36406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36407 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36408 etype, evalue, etraceback = exc_info 
    36409 TypeError: cannot unpack non-iterable NoneType object 
    36410  
    36411 TypeError: cannot unpack non-iterable NoneType object 
    36412  
    36413 File
    36414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36415 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36416 etype, evalue, etraceback = exc_info 
    36417  
    36418 See log for complete Python traceback. 
    36419  
    36420 Traceback (most recent call last): 
    36421 File
    36422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36423 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36424 return self._func(self._name, data) 
    36425 File
    36426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36427 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36428 if v.display: 
    36429 File
    36430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36431 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36432 return self._any_displayed_positions and len(self._positions) > 0 
    36433 TypeError: object of type 'NoneType' has no len() 
    36434  
    36435 During handling of the above exception, another exception occurred: 
    36436  
    36437 Traceback (most recent call last): 
    36438 File
    36439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36440 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36441 if not self.draw_new_frame(): 
    36442 File
    36443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36444 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36445 changed = view.check_for_drawing_change() 
    36446 File
    36447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36448 packages/chimerax/core/graphics/view.py", line 252, in
    36449 check_for_drawing_change 
    36450 trig.activate_trigger('graphics update', self) 
    36451 File
    36452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36453 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36454 trigger.activate(data) 
    36455 File
    36456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36457 packages/chimerax/core/triggerset.py", line 190, in activate 
    36458 ret = handler.invoke(data, self._remove_bad_handlers) 
    36459 File
    36460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36461 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36462 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36463 File
    36464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36465 packages/chimerax/core/session.py", line 943, in <lambda> 
    36466 logger.report_exception(preface=preface)) 
    36467 File
    36468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36469 packages/chimerax/core/logger.py", line 421, in report_exception 
    36470 elif probably_chimera1_session(exc_info): 
    36471 File
    36472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36473 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36474 etype, evalue, etraceback = exc_info 
    36475 TypeError: cannot unpack non-iterable NoneType object 
    36476  
    36477 TypeError: cannot unpack non-iterable NoneType object 
    36478  
    36479 File
    36480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36481 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36482 etype, evalue, etraceback = exc_info 
    36483  
    36484 See log for complete Python traceback. 
    36485  
    36486 Traceback (most recent call last): 
    36487 File
    36488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36489 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36490 return self._func(self._name, data) 
    36491 File
    36492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36493 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36494 if v.display: 
    36495 File
    36496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36497 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36498 return self._any_displayed_positions and len(self._positions) > 0 
    36499 TypeError: object of type 'NoneType' has no len() 
    36500  
    36501 During handling of the above exception, another exception occurred: 
    36502  
    36503 Traceback (most recent call last): 
    36504 File
    36505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36506 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36507 if not self.draw_new_frame(): 
    36508 File
    36509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36510 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36511 changed = view.check_for_drawing_change() 
    36512 File
    36513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36514 packages/chimerax/core/graphics/view.py", line 252, in
    36515 check_for_drawing_change 
    36516 trig.activate_trigger('graphics update', self) 
    36517 File
    36518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36519 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36520 trigger.activate(data) 
    36521 File
    36522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36523 packages/chimerax/core/triggerset.py", line 190, in activate 
    36524 ret = handler.invoke(data, self._remove_bad_handlers) 
    36525 File
    36526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36527 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36528 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36529 File
    36530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36531 packages/chimerax/core/session.py", line 943, in <lambda> 
    36532 logger.report_exception(preface=preface)) 
    36533 File
    36534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36535 packages/chimerax/core/logger.py", line 421, in report_exception 
    36536 elif probably_chimera1_session(exc_info): 
    36537 File
    36538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36539 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36540 etype, evalue, etraceback = exc_info 
    36541 TypeError: cannot unpack non-iterable NoneType object 
    36542  
    36543 TypeError: cannot unpack non-iterable NoneType object 
    36544  
    36545 File
    36546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36547 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36548 etype, evalue, etraceback = exc_info 
    36549  
    36550 See log for complete Python traceback. 
    36551  
    36552 Traceback (most recent call last): 
    36553 File
    36554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36555 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36556 return self._func(self._name, data) 
    36557 File
    36558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36559 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36560 if v.display: 
    36561 File
    36562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36563 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36564 return self._any_displayed_positions and len(self._positions) > 0 
    36565 TypeError: object of type 'NoneType' has no len() 
    36566  
    36567 During handling of the above exception, another exception occurred: 
    36568  
    36569 Traceback (most recent call last): 
    36570 File
    36571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36572 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36573 if not self.draw_new_frame(): 
    36574 File
    36575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36576 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36577 changed = view.check_for_drawing_change() 
    36578 File
    36579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36580 packages/chimerax/core/graphics/view.py", line 252, in
    36581 check_for_drawing_change 
    36582 trig.activate_trigger('graphics update', self) 
    36583 File
    36584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36585 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36586 trigger.activate(data) 
    36587 File
    36588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36589 packages/chimerax/core/triggerset.py", line 190, in activate 
    36590 ret = handler.invoke(data, self._remove_bad_handlers) 
    36591 File
    36592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36593 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36594 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36595 File
    36596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36597 packages/chimerax/core/session.py", line 943, in <lambda> 
    36598 logger.report_exception(preface=preface)) 
    36599 File
    36600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36601 packages/chimerax/core/logger.py", line 421, in report_exception 
    36602 elif probably_chimera1_session(exc_info): 
    36603 File
    36604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36605 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36606 etype, evalue, etraceback = exc_info 
    36607 TypeError: cannot unpack non-iterable NoneType object 
    36608  
    36609 TypeError: cannot unpack non-iterable NoneType object 
    36610  
    36611 File
    36612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36613 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36614 etype, evalue, etraceback = exc_info 
    36615  
    36616 See log for complete Python traceback. 
    36617  
    36618 Traceback (most recent call last): 
    36619 File
    36620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36621 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36622 return self._func(self._name, data) 
    36623 File
    36624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36625 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36626 if v.display: 
    36627 File
    36628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36629 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36630 return self._any_displayed_positions and len(self._positions) > 0 
    36631 TypeError: object of type 'NoneType' has no len() 
    36632  
    36633 During handling of the above exception, another exception occurred: 
    36634  
    36635 Traceback (most recent call last): 
    36636 File
    36637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36638 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36639 if not self.draw_new_frame(): 
    36640 File
    36641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36642 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36643 changed = view.check_for_drawing_change() 
    36644 File
    36645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36646 packages/chimerax/core/graphics/view.py", line 252, in
    36647 check_for_drawing_change 
    36648 trig.activate_trigger('graphics update', self) 
    36649 File
    36650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36651 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36652 trigger.activate(data) 
    36653 File
    36654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36655 packages/chimerax/core/triggerset.py", line 190, in activate 
    36656 ret = handler.invoke(data, self._remove_bad_handlers) 
    36657 File
    36658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36659 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36660 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36661 File
    36662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36663 packages/chimerax/core/session.py", line 943, in <lambda> 
    36664 logger.report_exception(preface=preface)) 
    36665 File
    36666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36667 packages/chimerax/core/logger.py", line 421, in report_exception 
    36668 elif probably_chimera1_session(exc_info): 
    36669 File
    36670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36671 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36672 etype, evalue, etraceback = exc_info 
    36673 TypeError: cannot unpack non-iterable NoneType object 
    36674  
    36675 TypeError: cannot unpack non-iterable NoneType object 
    36676  
    36677 File
    36678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36679 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36680 etype, evalue, etraceback = exc_info 
    36681  
    36682 See log for complete Python traceback. 
    36683  
    36684 Traceback (most recent call last): 
    36685 File
    36686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36687 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36688 return self._func(self._name, data) 
    36689 File
    36690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36691 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36692 if v.display: 
    36693 File
    36694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36695 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36696 return self._any_displayed_positions and len(self._positions) > 0 
    36697 TypeError: object of type 'NoneType' has no len() 
    36698  
    36699 During handling of the above exception, another exception occurred: 
    36700  
    36701 Traceback (most recent call last): 
    36702 File
    36703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36704 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36705 if not self.draw_new_frame(): 
    36706 File
    36707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36708 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36709 changed = view.check_for_drawing_change() 
    36710 File
    36711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36712 packages/chimerax/core/graphics/view.py", line 252, in
    36713 check_for_drawing_change 
    36714 trig.activate_trigger('graphics update', self) 
    36715 File
    36716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36717 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36718 trigger.activate(data) 
    36719 File
    36720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36721 packages/chimerax/core/triggerset.py", line 190, in activate 
    36722 ret = handler.invoke(data, self._remove_bad_handlers) 
    36723 File
    36724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36725 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36726 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36727 File
    36728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36729 packages/chimerax/core/session.py", line 943, in <lambda> 
    36730 logger.report_exception(preface=preface)) 
    36731 File
    36732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36733 packages/chimerax/core/logger.py", line 421, in report_exception 
    36734 elif probably_chimera1_session(exc_info): 
    36735 File
    36736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36737 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36738 etype, evalue, etraceback = exc_info 
    36739 TypeError: cannot unpack non-iterable NoneType object 
    36740  
    36741 TypeError: cannot unpack non-iterable NoneType object 
    36742  
    36743 File
    36744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36745 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36746 etype, evalue, etraceback = exc_info 
    36747  
    36748 See log for complete Python traceback. 
    36749  
    36750 Traceback (most recent call last): 
    36751 File
    36752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36753 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36754 return self._func(self._name, data) 
    36755 File
    36756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36757 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36758 if v.display: 
    36759 File
    36760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36761 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36762 return self._any_displayed_positions and len(self._positions) > 0 
    36763 TypeError: object of type 'NoneType' has no len() 
    36764  
    36765 During handling of the above exception, another exception occurred: 
    36766  
    36767 Traceback (most recent call last): 
    36768 File
    36769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36770 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36771 if not self.draw_new_frame(): 
    36772 File
    36773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36774 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36775 changed = view.check_for_drawing_change() 
    36776 File
    36777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36778 packages/chimerax/core/graphics/view.py", line 252, in
    36779 check_for_drawing_change 
    36780 trig.activate_trigger('graphics update', self) 
    36781 File
    36782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36783 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36784 trigger.activate(data) 
    36785 File
    36786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36787 packages/chimerax/core/triggerset.py", line 190, in activate 
    36788 ret = handler.invoke(data, self._remove_bad_handlers) 
    36789 File
    36790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36791 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36792 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36793 File
    36794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36795 packages/chimerax/core/session.py", line 943, in <lambda> 
    36796 logger.report_exception(preface=preface)) 
    36797 File
    36798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36799 packages/chimerax/core/logger.py", line 421, in report_exception 
    36800 elif probably_chimera1_session(exc_info): 
    36801 File
    36802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36803 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36804 etype, evalue, etraceback = exc_info 
    36805 TypeError: cannot unpack non-iterable NoneType object 
    36806  
    36807 TypeError: cannot unpack non-iterable NoneType object 
    36808  
    36809 File
    36810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36811 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36812 etype, evalue, etraceback = exc_info 
    36813  
    36814 See log for complete Python traceback. 
    36815  
    36816 Traceback (most recent call last): 
    36817 File
    36818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36819 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36820 return self._func(self._name, data) 
    36821 File
    36822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36823 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36824 if v.display: 
    36825 File
    36826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36827 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36828 return self._any_displayed_positions and len(self._positions) > 0 
    36829 TypeError: object of type 'NoneType' has no len() 
    36830  
    36831 During handling of the above exception, another exception occurred: 
    36832  
    36833 Traceback (most recent call last): 
    36834 File
    36835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36836 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36837 if not self.draw_new_frame(): 
    36838 File
    36839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36840 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36841 changed = view.check_for_drawing_change() 
    36842 File
    36843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36844 packages/chimerax/core/graphics/view.py", line 252, in
    36845 check_for_drawing_change 
    36846 trig.activate_trigger('graphics update', self) 
    36847 File
    36848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36849 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36850 trigger.activate(data) 
    36851 File
    36852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36853 packages/chimerax/core/triggerset.py", line 190, in activate 
    36854 ret = handler.invoke(data, self._remove_bad_handlers) 
    36855 File
    36856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36857 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36858 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36859 File
    36860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36861 packages/chimerax/core/session.py", line 943, in <lambda> 
    36862 logger.report_exception(preface=preface)) 
    36863 File
    36864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36865 packages/chimerax/core/logger.py", line 421, in report_exception 
    36866 elif probably_chimera1_session(exc_info): 
    36867 File
    36868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36869 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36870 etype, evalue, etraceback = exc_info 
    36871 TypeError: cannot unpack non-iterable NoneType object 
    36872  
    36873 TypeError: cannot unpack non-iterable NoneType object 
    36874  
    36875 File
    36876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36877 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36878 etype, evalue, etraceback = exc_info 
    36879  
    36880 See log for complete Python traceback. 
    36881  
    36882 Traceback (most recent call last): 
    36883 File
    36884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36885 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36886 return self._func(self._name, data) 
    36887 File
    36888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36889 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36890 if v.display: 
    36891 File
    36892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36893 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36894 return self._any_displayed_positions and len(self._positions) > 0 
    36895 TypeError: object of type 'NoneType' has no len() 
    36896  
    36897 During handling of the above exception, another exception occurred: 
    36898  
    36899 Traceback (most recent call last): 
    36900 File
    36901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36902 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36903 if not self.draw_new_frame(): 
    36904 File
    36905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36906 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36907 changed = view.check_for_drawing_change() 
    36908 File
    36909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36910 packages/chimerax/core/graphics/view.py", line 252, in
    36911 check_for_drawing_change 
    36912 trig.activate_trigger('graphics update', self) 
    36913 File
    36914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36915 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36916 trigger.activate(data) 
    36917 File
    36918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36919 packages/chimerax/core/triggerset.py", line 190, in activate 
    36920 ret = handler.invoke(data, self._remove_bad_handlers) 
    36921 File
    36922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36923 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36924 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36925 File
    36926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36927 packages/chimerax/core/session.py", line 943, in <lambda> 
    36928 logger.report_exception(preface=preface)) 
    36929 File
    36930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36931 packages/chimerax/core/logger.py", line 421, in report_exception 
    36932 elif probably_chimera1_session(exc_info): 
    36933 File
    36934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36935 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36936 etype, evalue, etraceback = exc_info 
    36937 TypeError: cannot unpack non-iterable NoneType object 
    36938  
    36939 TypeError: cannot unpack non-iterable NoneType object 
    36940  
    36941 File
    36942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36943 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36944 etype, evalue, etraceback = exc_info 
    36945  
    36946 See log for complete Python traceback. 
    36947  
    36948 Traceback (most recent call last): 
    36949 File
    36950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36951 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36952 return self._func(self._name, data) 
    36953 File
    36954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36955 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36956 if v.display: 
    36957 File
    36958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36959 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36960 return self._any_displayed_positions and len(self._positions) > 0 
    36961 TypeError: object of type 'NoneType' has no len() 
    36962  
    36963 During handling of the above exception, another exception occurred: 
    36964  
    36965 Traceback (most recent call last): 
    36966 File
    36967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36968 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36969 if not self.draw_new_frame(): 
    36970 File
    36971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36972 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36973 changed = view.check_for_drawing_change() 
    36974 File
    36975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36976 packages/chimerax/core/graphics/view.py", line 252, in
    36977 check_for_drawing_change 
    36978 trig.activate_trigger('graphics update', self) 
    36979 File
    36980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36981 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36982 trigger.activate(data) 
    36983 File
    36984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36985 packages/chimerax/core/triggerset.py", line 190, in activate 
    36986 ret = handler.invoke(data, self._remove_bad_handlers) 
    36987 File
    36988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36989 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36990 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36991 File
    36992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36993 packages/chimerax/core/session.py", line 943, in <lambda> 
    36994 logger.report_exception(preface=preface)) 
    36995 File
    36996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36997 packages/chimerax/core/logger.py", line 421, in report_exception 
    36998 elif probably_chimera1_session(exc_info): 
    36999 File
    37000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37001 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37002 etype, evalue, etraceback = exc_info 
    37003 TypeError: cannot unpack non-iterable NoneType object 
    37004  
    37005 TypeError: cannot unpack non-iterable NoneType object 
    37006  
    37007 File
    37008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37009 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37010 etype, evalue, etraceback = exc_info 
    37011  
    37012 See log for complete Python traceback. 
    37013  
    37014 Traceback (most recent call last): 
    37015 File
    37016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37017 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37018 return self._func(self._name, data) 
    37019 File
    37020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37021 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37022 if v.display: 
    37023 File
    37024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37025 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37026 return self._any_displayed_positions and len(self._positions) > 0 
    37027 TypeError: object of type 'NoneType' has no len() 
    37028  
    37029 During handling of the above exception, another exception occurred: 
    37030  
    37031 Traceback (most recent call last): 
    37032 File
    37033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37034 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37035 if not self.draw_new_frame(): 
    37036 File
    37037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37038 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37039 changed = view.check_for_drawing_change() 
    37040 File
    37041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37042 packages/chimerax/core/graphics/view.py", line 252, in
    37043 check_for_drawing_change 
    37044 trig.activate_trigger('graphics update', self) 
    37045 File
    37046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37047 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37048 trigger.activate(data) 
    37049 File
    37050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37051 packages/chimerax/core/triggerset.py", line 190, in activate 
    37052 ret = handler.invoke(data, self._remove_bad_handlers) 
    37053 File
    37054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37055 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37056 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37057 File
    37058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37059 packages/chimerax/core/session.py", line 943, in <lambda> 
    37060 logger.report_exception(preface=preface)) 
    37061 File
    37062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37063 packages/chimerax/core/logger.py", line 421, in report_exception 
    37064 elif probably_chimera1_session(exc_info): 
    37065 File
    37066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37067 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37068 etype, evalue, etraceback = exc_info 
    37069 TypeError: cannot unpack non-iterable NoneType object 
    37070  
    37071 TypeError: cannot unpack non-iterable NoneType object 
    37072  
    37073 File
    37074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37075 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37076 etype, evalue, etraceback = exc_info 
    37077  
    37078 See log for complete Python traceback. 
    37079  
    37080 Traceback (most recent call last): 
    37081 File
    37082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37083 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37084 return self._func(self._name, data) 
    37085 File
    37086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37087 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37088 if v.display: 
    37089 File
    37090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37091 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37092 return self._any_displayed_positions and len(self._positions) > 0 
    37093 TypeError: object of type 'NoneType' has no len() 
    37094  
    37095 During handling of the above exception, another exception occurred: 
    37096  
    37097 Traceback (most recent call last): 
    37098 File
    37099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37100 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37101 if not self.draw_new_frame(): 
    37102 File
    37103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37104 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37105 changed = view.check_for_drawing_change() 
    37106 File
    37107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37108 packages/chimerax/core/graphics/view.py", line 252, in
    37109 check_for_drawing_change 
    37110 trig.activate_trigger('graphics update', self) 
    37111 File
    37112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37113 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37114 trigger.activate(data) 
    37115 File
    37116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37117 packages/chimerax/core/triggerset.py", line 190, in activate 
    37118 ret = handler.invoke(data, self._remove_bad_handlers) 
    37119 File
    37120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37121 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37122 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37123 File
    37124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37125 packages/chimerax/core/session.py", line 943, in <lambda> 
    37126 logger.report_exception(preface=preface)) 
    37127 File
    37128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37129 packages/chimerax/core/logger.py", line 421, in report_exception 
    37130 elif probably_chimera1_session(exc_info): 
    37131 File
    37132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37133 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37134 etype, evalue, etraceback = exc_info 
    37135 TypeError: cannot unpack non-iterable NoneType object 
    37136  
    37137 TypeError: cannot unpack non-iterable NoneType object 
    37138  
    37139 File
    37140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37141 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37142 etype, evalue, etraceback = exc_info 
    37143  
    37144 See log for complete Python traceback. 
    37145  
    37146 Traceback (most recent call last): 
    37147 File
    37148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37149 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37150 return self._func(self._name, data) 
    37151 File
    37152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37153 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37154 if v.display: 
    37155 File
    37156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37157 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37158 return self._any_displayed_positions and len(self._positions) > 0 
    37159 TypeError: object of type 'NoneType' has no len() 
    37160  
    37161 During handling of the above exception, another exception occurred: 
    37162  
    37163 Traceback (most recent call last): 
    37164 File
    37165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37166 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37167 if not self.draw_new_frame(): 
    37168 File
    37169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37170 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37171 changed = view.check_for_drawing_change() 
    37172 File
    37173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37174 packages/chimerax/core/graphics/view.py", line 252, in
    37175 check_for_drawing_change 
    37176 trig.activate_trigger('graphics update', self) 
    37177 File
    37178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37179 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37180 trigger.activate(data) 
    37181 File
    37182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37183 packages/chimerax/core/triggerset.py", line 190, in activate 
    37184 ret = handler.invoke(data, self._remove_bad_handlers) 
    37185 File
    37186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37187 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37188 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37189 File
    37190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37191 packages/chimerax/core/session.py", line 943, in <lambda> 
    37192 logger.report_exception(preface=preface)) 
    37193 File
    37194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37195 packages/chimerax/core/logger.py", line 421, in report_exception 
    37196 elif probably_chimera1_session(exc_info): 
    37197 File
    37198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37199 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37200 etype, evalue, etraceback = exc_info 
    37201 TypeError: cannot unpack non-iterable NoneType object 
    37202  
    37203 TypeError: cannot unpack non-iterable NoneType object 
    37204  
    37205 File
    37206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37207 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37208 etype, evalue, etraceback = exc_info 
    37209  
    37210 See log for complete Python traceback. 
    37211  
    37212 Traceback (most recent call last): 
    37213 File
    37214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37215 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37216 return self._func(self._name, data) 
    37217 File
    37218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37219 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37220 if v.display: 
    37221 File
    37222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37223 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37224 return self._any_displayed_positions and len(self._positions) > 0 
    37225 TypeError: object of type 'NoneType' has no len() 
    37226  
    37227 During handling of the above exception, another exception occurred: 
    37228  
    37229 Traceback (most recent call last): 
    37230 File
    37231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37232 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37233 if not self.draw_new_frame(): 
    37234 File
    37235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37236 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37237 changed = view.check_for_drawing_change() 
    37238 File
    37239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37240 packages/chimerax/core/graphics/view.py", line 252, in
    37241 check_for_drawing_change 
    37242 trig.activate_trigger('graphics update', self) 
    37243 File
    37244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37245 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37246 trigger.activate(data) 
    37247 File
    37248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37249 packages/chimerax/core/triggerset.py", line 190, in activate 
    37250 ret = handler.invoke(data, self._remove_bad_handlers) 
    37251 File
    37252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37253 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37254 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37255 File
    37256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37257 packages/chimerax/core/session.py", line 943, in <lambda> 
    37258 logger.report_exception(preface=preface)) 
    37259 File
    37260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37261 packages/chimerax/core/logger.py", line 421, in report_exception 
    37262 elif probably_chimera1_session(exc_info): 
    37263 File
    37264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37265 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37266 etype, evalue, etraceback = exc_info 
    37267 TypeError: cannot unpack non-iterable NoneType object 
    37268  
    37269 TypeError: cannot unpack non-iterable NoneType object 
    37270  
    37271 File
    37272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37273 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37274 etype, evalue, etraceback = exc_info 
    37275  
    37276 See log for complete Python traceback. 
    37277  
    37278 Traceback (most recent call last): 
    37279 File
    37280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37281 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37282 return self._func(self._name, data) 
    37283 File
    37284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37285 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37286 if v.display: 
    37287 File
    37288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37289 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37290 return self._any_displayed_positions and len(self._positions) > 0 
    37291 TypeError: object of type 'NoneType' has no len() 
    37292  
    37293 During handling of the above exception, another exception occurred: 
    37294  
    37295 Traceback (most recent call last): 
    37296 File
    37297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37298 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37299 if not self.draw_new_frame(): 
    37300 File
    37301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37302 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37303 changed = view.check_for_drawing_change() 
    37304 File
    37305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37306 packages/chimerax/core/graphics/view.py", line 252, in
    37307 check_for_drawing_change 
    37308 trig.activate_trigger('graphics update', self) 
    37309 File
    37310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37311 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37312 trigger.activate(data) 
    37313 File
    37314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37315 packages/chimerax/core/triggerset.py", line 190, in activate 
    37316 ret = handler.invoke(data, self._remove_bad_handlers) 
    37317 File
    37318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37319 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37320 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37321 File
    37322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37323 packages/chimerax/core/session.py", line 943, in <lambda> 
    37324 logger.report_exception(preface=preface)) 
    37325 File
    37326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37327 packages/chimerax/core/logger.py", line 421, in report_exception 
    37328 elif probably_chimera1_session(exc_info): 
    37329 File
    37330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37331 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37332 etype, evalue, etraceback = exc_info 
    37333 TypeError: cannot unpack non-iterable NoneType object 
    37334  
    37335 TypeError: cannot unpack non-iterable NoneType object 
    37336  
    37337 File
    37338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37339 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37340 etype, evalue, etraceback = exc_info 
    37341  
    37342 See log for complete Python traceback. 
    37343  
    37344 Traceback (most recent call last): 
    37345 File
    37346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37347 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37348 return self._func(self._name, data) 
    37349 File
    37350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37351 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37352 if v.display: 
    37353 File
    37354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37355 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37356 return self._any_displayed_positions and len(self._positions) > 0 
    37357 TypeError: object of type 'NoneType' has no len() 
    37358  
    37359 During handling of the above exception, another exception occurred: 
    37360  
    37361 Traceback (most recent call last): 
    37362 File
    37363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37364 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37365 if not self.draw_new_frame(): 
    37366 File
    37367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37368 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37369 changed = view.check_for_drawing_change() 
    37370 File
    37371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37372 packages/chimerax/core/graphics/view.py", line 252, in
    37373 check_for_drawing_change 
    37374 trig.activate_trigger('graphics update', self) 
    37375 File
    37376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37377 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37378 trigger.activate(data) 
    37379 File
    37380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37381 packages/chimerax/core/triggerset.py", line 190, in activate 
    37382 ret = handler.invoke(data, self._remove_bad_handlers) 
    37383 File
    37384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37385 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37386 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37387 File
    37388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37389 packages/chimerax/core/session.py", line 943, in <lambda> 
    37390 logger.report_exception(preface=preface)) 
    37391 File
    37392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37393 packages/chimerax/core/logger.py", line 421, in report_exception 
    37394 elif probably_chimera1_session(exc_info): 
    37395 File
    37396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37397 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37398 etype, evalue, etraceback = exc_info 
    37399 TypeError: cannot unpack non-iterable NoneType object 
    37400  
    37401 TypeError: cannot unpack non-iterable NoneType object 
    37402  
    37403 File
    37404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37405 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37406 etype, evalue, etraceback = exc_info 
    37407  
    37408 See log for complete Python traceback. 
    37409  
    37410 Traceback (most recent call last): 
    37411 File
    37412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37413 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37414 return self._func(self._name, data) 
    37415 File
    37416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37417 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37418 if v.display: 
    37419 File
    37420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37421 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37422 return self._any_displayed_positions and len(self._positions) > 0 
    37423 TypeError: object of type 'NoneType' has no len() 
    37424  
    37425 During handling of the above exception, another exception occurred: 
    37426  
    37427 Traceback (most recent call last): 
    37428 File
    37429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37430 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37431 if not self.draw_new_frame(): 
    37432 File
    37433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37434 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37435 changed = view.check_for_drawing_change() 
    37436 File
    37437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37438 packages/chimerax/core/graphics/view.py", line 252, in
    37439 check_for_drawing_change 
    37440 trig.activate_trigger('graphics update', self) 
    37441 File
    37442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37443 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37444 trigger.activate(data) 
    37445 File
    37446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37447 packages/chimerax/core/triggerset.py", line 190, in activate 
    37448 ret = handler.invoke(data, self._remove_bad_handlers) 
    37449 File
    37450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37451 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37452 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37453 File
    37454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37455 packages/chimerax/core/session.py", line 943, in <lambda> 
    37456 logger.report_exception(preface=preface)) 
    37457 File
    37458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37459 packages/chimerax/core/logger.py", line 421, in report_exception 
    37460 elif probably_chimera1_session(exc_info): 
    37461 File
    37462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37463 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37464 etype, evalue, etraceback = exc_info 
    37465 TypeError: cannot unpack non-iterable NoneType object 
    37466  
    37467 TypeError: cannot unpack non-iterable NoneType object 
    37468  
    37469 File
    37470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37471 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37472 etype, evalue, etraceback = exc_info 
    37473  
    37474 See log for complete Python traceback. 
    37475  
    37476 Traceback (most recent call last): 
    37477 File
    37478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37479 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37480 return self._func(self._name, data) 
    37481 File
    37482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37483 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37484 if v.display: 
    37485 File
    37486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37487 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37488 return self._any_displayed_positions and len(self._positions) > 0 
    37489 TypeError: object of type 'NoneType' has no len() 
    37490  
    37491 During handling of the above exception, another exception occurred: 
    37492  
    37493 Traceback (most recent call last): 
    37494 File
    37495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37496 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37497 if not self.draw_new_frame(): 
    37498 File
    37499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37500 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37501 changed = view.check_for_drawing_change() 
    37502 File
    37503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37504 packages/chimerax/core/graphics/view.py", line 252, in
    37505 check_for_drawing_change 
    37506 trig.activate_trigger('graphics update', self) 
    37507 File
    37508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37509 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37510 trigger.activate(data) 
    37511 File
    37512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37513 packages/chimerax/core/triggerset.py", line 190, in activate 
    37514 ret = handler.invoke(data, self._remove_bad_handlers) 
    37515 File
    37516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37517 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37518 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37519 File
    37520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37521 packages/chimerax/core/session.py", line 943, in <lambda> 
    37522 logger.report_exception(preface=preface)) 
    37523 File
    37524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37525 packages/chimerax/core/logger.py", line 421, in report_exception 
    37526 elif probably_chimera1_session(exc_info): 
    37527 File
    37528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37529 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37530 etype, evalue, etraceback = exc_info 
    37531 TypeError: cannot unpack non-iterable NoneType object 
    37532  
    37533 TypeError: cannot unpack non-iterable NoneType object 
    37534  
    37535 File
    37536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37537 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37538 etype, evalue, etraceback = exc_info 
    37539  
    37540 See log for complete Python traceback. 
    37541  
    37542 Traceback (most recent call last): 
    37543 File
    37544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37545 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37546 return self._func(self._name, data) 
    37547 File
    37548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37549 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37550 if v.display: 
    37551 File
    37552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37553 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37554 return self._any_displayed_positions and len(self._positions) > 0 
    37555 TypeError: object of type 'NoneType' has no len() 
    37556  
    37557 During handling of the above exception, another exception occurred: 
    37558  
    37559 Traceback (most recent call last): 
    37560 File
    37561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37562 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37563 if not self.draw_new_frame(): 
    37564 File
    37565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37566 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37567 changed = view.check_for_drawing_change() 
    37568 File
    37569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37570 packages/chimerax/core/graphics/view.py", line 252, in
    37571 check_for_drawing_change 
    37572 trig.activate_trigger('graphics update', self) 
    37573 File
    37574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37575 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37576 trigger.activate(data) 
    37577 File
    37578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37579 packages/chimerax/core/triggerset.py", line 190, in activate 
    37580 ret = handler.invoke(data, self._remove_bad_handlers) 
    37581 File
    37582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37583 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37584 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37585 File
    37586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37587 packages/chimerax/core/session.py", line 943, in <lambda> 
    37588 logger.report_exception(preface=preface)) 
    37589 File
    37590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37591 packages/chimerax/core/logger.py", line 421, in report_exception 
    37592 elif probably_chimera1_session(exc_info): 
    37593 File
    37594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37595 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37596 etype, evalue, etraceback = exc_info 
    37597 TypeError: cannot unpack non-iterable NoneType object 
    37598  
    37599 TypeError: cannot unpack non-iterable NoneType object 
    37600  
    37601 File
    37602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37603 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37604 etype, evalue, etraceback = exc_info 
    37605  
    37606 See log for complete Python traceback. 
    37607  
    37608 Traceback (most recent call last): 
    37609 File
    37610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37611 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37612 return self._func(self._name, data) 
    37613 File
    37614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37615 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37616 if v.display: 
    37617 File
    37618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37619 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37620 return self._any_displayed_positions and len(self._positions) > 0 
    37621 TypeError: object of type 'NoneType' has no len() 
    37622  
    37623 During handling of the above exception, another exception occurred: 
    37624  
    37625 Traceback (most recent call last): 
    37626 File
    37627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37628 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37629 if not self.draw_new_frame(): 
    37630 File
    37631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37632 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37633 changed = view.check_for_drawing_change() 
    37634 File
    37635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37636 packages/chimerax/core/graphics/view.py", line 252, in
    37637 check_for_drawing_change 
    37638 trig.activate_trigger('graphics update', self) 
    37639 File
    37640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37641 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37642 trigger.activate(data) 
    37643 File
    37644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37645 packages/chimerax/core/triggerset.py", line 190, in activate 
    37646 ret = handler.invoke(data, self._remove_bad_handlers) 
    37647 File
    37648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37649 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37650 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37651 File
    37652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37653 packages/chimerax/core/session.py", line 943, in <lambda> 
    37654 logger.report_exception(preface=preface)) 
    37655 File
    37656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37657 packages/chimerax/core/logger.py", line 421, in report_exception 
    37658 elif probably_chimera1_session(exc_info): 
    37659 File
    37660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37661 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37662 etype, evalue, etraceback = exc_info 
    37663 TypeError: cannot unpack non-iterable NoneType object 
    37664  
    37665 TypeError: cannot unpack non-iterable NoneType object 
    37666  
    37667 File
    37668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37669 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37670 etype, evalue, etraceback = exc_info 
    37671  
    37672 See log for complete Python traceback. 
    37673  
    37674 Traceback (most recent call last): 
    37675 File
    37676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37677 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37678 return self._func(self._name, data) 
    37679 File
    37680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37681 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37682 if v.display: 
    37683 File
    37684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37685 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37686 return self._any_displayed_positions and len(self._positions) > 0 
    37687 TypeError: object of type 'NoneType' has no len() 
    37688  
    37689 During handling of the above exception, another exception occurred: 
    37690  
    37691 Traceback (most recent call last): 
    37692 File
    37693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37694 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37695 if not self.draw_new_frame(): 
    37696 File
    37697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37698 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37699 changed = view.check_for_drawing_change() 
    37700 File
    37701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37702 packages/chimerax/core/graphics/view.py", line 252, in
    37703 check_for_drawing_change 
    37704 trig.activate_trigger('graphics update', self) 
    37705 File
    37706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37707 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37708 trigger.activate(data) 
    37709 File
    37710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37711 packages/chimerax/core/triggerset.py", line 190, in activate 
    37712 ret = handler.invoke(data, self._remove_bad_handlers) 
    37713 File
    37714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37715 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37716 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37717 File
    37718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37719 packages/chimerax/core/session.py", line 943, in <lambda> 
    37720 logger.report_exception(preface=preface)) 
    37721 File
    37722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37723 packages/chimerax/core/logger.py", line 421, in report_exception 
    37724 elif probably_chimera1_session(exc_info): 
    37725 File
    37726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37727 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37728 etype, evalue, etraceback = exc_info 
    37729 TypeError: cannot unpack non-iterable NoneType object 
    37730  
    37731 TypeError: cannot unpack non-iterable NoneType object 
    37732  
    37733 File
    37734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37735 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37736 etype, evalue, etraceback = exc_info 
    37737  
    37738 See log for complete Python traceback. 
    37739  
    37740 Traceback (most recent call last): 
    37741 File
    37742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37743 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37744 return self._func(self._name, data) 
    37745 File
    37746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37747 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37748 if v.display: 
    37749 File
    37750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37751 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37752 return self._any_displayed_positions and len(self._positions) > 0 
    37753 TypeError: object of type 'NoneType' has no len() 
    37754  
    37755 During handling of the above exception, another exception occurred: 
    37756  
    37757 Traceback (most recent call last): 
    37758 File
    37759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37760 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37761 if not self.draw_new_frame(): 
    37762 File
    37763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37764 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37765 changed = view.check_for_drawing_change() 
    37766 File
    37767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37768 packages/chimerax/core/graphics/view.py", line 252, in
    37769 check_for_drawing_change 
    37770 trig.activate_trigger('graphics update', self) 
    37771 File
    37772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37773 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37774 trigger.activate(data) 
    37775 File
    37776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37777 packages/chimerax/core/triggerset.py", line 190, in activate 
    37778 ret = handler.invoke(data, self._remove_bad_handlers) 
    37779 File
    37780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37781 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37782 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37783 File
    37784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37785 packages/chimerax/core/session.py", line 943, in <lambda> 
    37786 logger.report_exception(preface=preface)) 
    37787 File
    37788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37789 packages/chimerax/core/logger.py", line 421, in report_exception 
    37790 elif probably_chimera1_session(exc_info): 
    37791 File
    37792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37793 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37794 etype, evalue, etraceback = exc_info 
    37795 TypeError: cannot unpack non-iterable NoneType object 
    37796  
    37797 TypeError: cannot unpack non-iterable NoneType object 
    37798  
    37799 File
    37800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37801 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37802 etype, evalue, etraceback = exc_info 
    37803  
    37804 See log for complete Python traceback. 
    37805  
    37806 Traceback (most recent call last): 
    37807 File
    37808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37809 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37810 return self._func(self._name, data) 
    37811 File
    37812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37813 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37814 if v.display: 
    37815 File
    37816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37817 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37818 return self._any_displayed_positions and len(self._positions) > 0 
    37819 TypeError: object of type 'NoneType' has no len() 
    37820  
    37821 During handling of the above exception, another exception occurred: 
    37822  
    37823 Traceback (most recent call last): 
    37824 File
    37825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37826 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37827 if not self.draw_new_frame(): 
    37828 File
    37829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37830 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37831 changed = view.check_for_drawing_change() 
    37832 File
    37833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37834 packages/chimerax/core/graphics/view.py", line 252, in
    37835 check_for_drawing_change 
    37836 trig.activate_trigger('graphics update', self) 
    37837 File
    37838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37839 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37840 trigger.activate(data) 
    37841 File
    37842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37843 packages/chimerax/core/triggerset.py", line 190, in activate 
    37844 ret = handler.invoke(data, self._remove_bad_handlers) 
    37845 File
    37846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37847 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37848 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37849 File
    37850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37851 packages/chimerax/core/session.py", line 943, in <lambda> 
    37852 logger.report_exception(preface=preface)) 
    37853 File
    37854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37855 packages/chimerax/core/logger.py", line 421, in report_exception 
    37856 elif probably_chimera1_session(exc_info): 
    37857 File
    37858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37859 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37860 etype, evalue, etraceback = exc_info 
    37861 TypeError: cannot unpack non-iterable NoneType object 
    37862  
    37863 TypeError: cannot unpack non-iterable NoneType object 
    37864  
    37865 File
    37866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37867 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37868 etype, evalue, etraceback = exc_info 
    37869  
    37870 See log for complete Python traceback. 
    37871  
    37872 Traceback (most recent call last): 
    37873 File
    37874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37875 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37876 return self._func(self._name, data) 
    37877 File
    37878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37879 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37880 if v.display: 
    37881 File
    37882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37883 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37884 return self._any_displayed_positions and len(self._positions) > 0 
    37885 TypeError: object of type 'NoneType' has no len() 
    37886  
    37887 During handling of the above exception, another exception occurred: 
    37888  
    37889 Traceback (most recent call last): 
    37890 File
    37891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37892 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37893 if not self.draw_new_frame(): 
    37894 File
    37895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37896 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37897 changed = view.check_for_drawing_change() 
    37898 File
    37899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37900 packages/chimerax/core/graphics/view.py", line 252, in
    37901 check_for_drawing_change 
    37902 trig.activate_trigger('graphics update', self) 
    37903 File
    37904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37905 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37906 trigger.activate(data) 
    37907 File
    37908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37909 packages/chimerax/core/triggerset.py", line 190, in activate 
    37910 ret = handler.invoke(data, self._remove_bad_handlers) 
    37911 File
    37912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37913 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37914 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37915 File
    37916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37917 packages/chimerax/core/session.py", line 943, in <lambda> 
    37918 logger.report_exception(preface=preface)) 
    37919 File
    37920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37921 packages/chimerax/core/logger.py", line 421, in report_exception 
    37922 elif probably_chimera1_session(exc_info): 
    37923 File
    37924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37925 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37926 etype, evalue, etraceback = exc_info 
    37927 TypeError: cannot unpack non-iterable NoneType object 
    37928  
    37929 TypeError: cannot unpack non-iterable NoneType object 
    37930  
    37931 File
    37932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37933 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37934 etype, evalue, etraceback = exc_info 
    37935  
    37936 See log for complete Python traceback. 
    37937  
    37938 Traceback (most recent call last): 
    37939 File
    37940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37941 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37942 return self._func(self._name, data) 
    37943 File
    37944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37945 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37946 if v.display: 
    37947 File
    37948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37949 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37950 return self._any_displayed_positions and len(self._positions) > 0 
    37951 TypeError: object of type 'NoneType' has no len() 
    37952  
    37953 During handling of the above exception, another exception occurred: 
    37954  
    37955 Traceback (most recent call last): 
    37956 File
    37957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37958 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37959 if not self.draw_new_frame(): 
    37960 File
    37961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37962 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37963 changed = view.check_for_drawing_change() 
    37964 File
    37965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37966 packages/chimerax/core/graphics/view.py", line 252, in
    37967 check_for_drawing_change 
    37968 trig.activate_trigger('graphics update', self) 
    37969 File
    37970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37971 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37972 trigger.activate(data) 
    37973 File
    37974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37975 packages/chimerax/core/triggerset.py", line 190, in activate 
    37976 ret = handler.invoke(data, self._remove_bad_handlers) 
    37977 File
    37978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37979 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37980 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37981 File
    37982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37983 packages/chimerax/core/session.py", line 943, in <lambda> 
    37984 logger.report_exception(preface=preface)) 
    37985 File
    37986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37987 packages/chimerax/core/logger.py", line 421, in report_exception 
    37988 elif probably_chimera1_session(exc_info): 
    37989 File
    37990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37991 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37992 etype, evalue, etraceback = exc_info 
    37993 TypeError: cannot unpack non-iterable NoneType object 
    37994  
    37995 TypeError: cannot unpack non-iterable NoneType object 
    37996  
    37997 File
    37998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37999 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38000 etype, evalue, etraceback = exc_info 
    38001  
    38002 See log for complete Python traceback. 
    38003  
    38004 Traceback (most recent call last): 
    38005 File
    38006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38007 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38008 return self._func(self._name, data) 
    38009 File
    38010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38011 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38012 if v.display: 
    38013 File
    38014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38015 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38016 return self._any_displayed_positions and len(self._positions) > 0 
    38017 TypeError: object of type 'NoneType' has no len() 
    38018  
    38019 During handling of the above exception, another exception occurred: 
    38020  
    38021 Traceback (most recent call last): 
    38022 File
    38023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38024 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38025 if not self.draw_new_frame(): 
    38026 File
    38027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38028 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38029 changed = view.check_for_drawing_change() 
    38030 File
    38031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38032 packages/chimerax/core/graphics/view.py", line 252, in
    38033 check_for_drawing_change 
    38034 trig.activate_trigger('graphics update', self) 
    38035 File
    38036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38037 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38038 trigger.activate(data) 
    38039 File
    38040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38041 packages/chimerax/core/triggerset.py", line 190, in activate 
    38042 ret = handler.invoke(data, self._remove_bad_handlers) 
    38043 File
    38044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38045 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38046 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38047 File
    38048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38049 packages/chimerax/core/session.py", line 943, in <lambda> 
    38050 logger.report_exception(preface=preface)) 
    38051 File
    38052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38053 packages/chimerax/core/logger.py", line 421, in report_exception 
    38054 elif probably_chimera1_session(exc_info): 
    38055 File
    38056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38057 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38058 etype, evalue, etraceback = exc_info 
    38059 TypeError: cannot unpack non-iterable NoneType object 
    38060  
    38061 TypeError: cannot unpack non-iterable NoneType object 
    38062  
    38063 File
    38064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38065 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38066 etype, evalue, etraceback = exc_info 
    38067  
    38068 See log for complete Python traceback. 
    38069  
    38070 Traceback (most recent call last): 
    38071 File
    38072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38073 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38074 return self._func(self._name, data) 
    38075 File
    38076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38077 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38078 if v.display: 
    38079 File
    38080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38081 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38082 return self._any_displayed_positions and len(self._positions) > 0 
    38083 TypeError: object of type 'NoneType' has no len() 
    38084  
    38085 During handling of the above exception, another exception occurred: 
    38086  
    38087 Traceback (most recent call last): 
    38088 File
    38089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38090 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38091 if not self.draw_new_frame(): 
    38092 File
    38093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38094 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38095 changed = view.check_for_drawing_change() 
    38096 File
    38097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38098 packages/chimerax/core/graphics/view.py", line 252, in
    38099 check_for_drawing_change 
    38100 trig.activate_trigger('graphics update', self) 
    38101 File
    38102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38103 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38104 trigger.activate(data) 
    38105 File
    38106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38107 packages/chimerax/core/triggerset.py", line 190, in activate 
    38108 ret = handler.invoke(data, self._remove_bad_handlers) 
    38109 File
    38110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38111 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38112 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38113 File
    38114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38115 packages/chimerax/core/session.py", line 943, in <lambda> 
    38116 logger.report_exception(preface=preface)) 
    38117 File
    38118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38119 packages/chimerax/core/logger.py", line 421, in report_exception 
    38120 elif probably_chimera1_session(exc_info): 
    38121 File
    38122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38123 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38124 etype, evalue, etraceback = exc_info 
    38125 TypeError: cannot unpack non-iterable NoneType object 
    38126  
    38127 TypeError: cannot unpack non-iterable NoneType object 
    38128  
    38129 File
    38130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38131 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38132 etype, evalue, etraceback = exc_info 
    38133  
    38134 See log for complete Python traceback. 
    38135  
    38136 Traceback (most recent call last): 
    38137 File
    38138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38139 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38140 return self._func(self._name, data) 
    38141 File
    38142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38143 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38144 if v.display: 
    38145 File
    38146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38147 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38148 return self._any_displayed_positions and len(self._positions) > 0 
    38149 TypeError: object of type 'NoneType' has no len() 
    38150  
    38151 During handling of the above exception, another exception occurred: 
    38152  
    38153 Traceback (most recent call last): 
    38154 File
    38155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38156 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38157 if not self.draw_new_frame(): 
    38158 File
    38159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38160 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38161 changed = view.check_for_drawing_change() 
    38162 File
    38163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38164 packages/chimerax/core/graphics/view.py", line 252, in
    38165 check_for_drawing_change 
    38166 trig.activate_trigger('graphics update', self) 
    38167 File
    38168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38169 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38170 trigger.activate(data) 
    38171 File
    38172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38173 packages/chimerax/core/triggerset.py", line 190, in activate 
    38174 ret = handler.invoke(data, self._remove_bad_handlers) 
    38175 File
    38176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38177 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38178 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38179 File
    38180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38181 packages/chimerax/core/session.py", line 943, in <lambda> 
    38182 logger.report_exception(preface=preface)) 
    38183 File
    38184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38185 packages/chimerax/core/logger.py", line 421, in report_exception 
    38186 elif probably_chimera1_session(exc_info): 
    38187 File
    38188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38189 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38190 etype, evalue, etraceback = exc_info 
    38191 TypeError: cannot unpack non-iterable NoneType object 
    38192  
    38193 TypeError: cannot unpack non-iterable NoneType object 
    38194  
    38195 File
    38196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38197 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38198 etype, evalue, etraceback = exc_info 
    38199  
    38200 See log for complete Python traceback. 
    38201  
    38202 Traceback (most recent call last): 
    38203 File
    38204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38205 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38206 return self._func(self._name, data) 
    38207 File
    38208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38209 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38210 if v.display: 
    38211 File
    38212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38213 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38214 return self._any_displayed_positions and len(self._positions) > 0 
    38215 TypeError: object of type 'NoneType' has no len() 
    38216  
    38217 During handling of the above exception, another exception occurred: 
    38218  
    38219 Traceback (most recent call last): 
    38220 File
    38221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38222 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38223 if not self.draw_new_frame(): 
    38224 File
    38225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38226 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38227 changed = view.check_for_drawing_change() 
    38228 File
    38229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38230 packages/chimerax/core/graphics/view.py", line 252, in
    38231 check_for_drawing_change 
    38232 trig.activate_trigger('graphics update', self) 
    38233 File
    38234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38235 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38236 trigger.activate(data) 
    38237 File
    38238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38239 packages/chimerax/core/triggerset.py", line 190, in activate 
    38240 ret = handler.invoke(data, self._remove_bad_handlers) 
    38241 File
    38242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38243 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38244 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38245 File
    38246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38247 packages/chimerax/core/session.py", line 943, in <lambda> 
    38248 logger.report_exception(preface=preface)) 
    38249 File
    38250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38251 packages/chimerax/core/logger.py", line 421, in report_exception 
    38252 elif probably_chimera1_session(exc_info): 
    38253 File
    38254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38255 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38256 etype, evalue, etraceback = exc_info 
    38257 TypeError: cannot unpack non-iterable NoneType object 
    38258  
    38259 TypeError: cannot unpack non-iterable NoneType object 
    38260  
    38261 File
    38262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38263 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38264 etype, evalue, etraceback = exc_info 
    38265  
    38266 See log for complete Python traceback. 
    38267  
    38268 Traceback (most recent call last): 
    38269 File
    38270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38271 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38272 return self._func(self._name, data) 
    38273 File
    38274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38275 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38276 if v.display: 
    38277 File
    38278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38279 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38280 return self._any_displayed_positions and len(self._positions) > 0 
    38281 TypeError: object of type 'NoneType' has no len() 
    38282  
    38283 During handling of the above exception, another exception occurred: 
    38284  
    38285 Traceback (most recent call last): 
    38286 File
    38287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38288 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38289 if not self.draw_new_frame(): 
    38290 File
    38291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38292 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38293 changed = view.check_for_drawing_change() 
    38294 File
    38295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38296 packages/chimerax/core/graphics/view.py", line 252, in
    38297 check_for_drawing_change 
    38298 trig.activate_trigger('graphics update', self) 
    38299 File
    38300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38301 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38302 trigger.activate(data) 
    38303 File
    38304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38305 packages/chimerax/core/triggerset.py", line 190, in activate 
    38306 ret = handler.invoke(data, self._remove_bad_handlers) 
    38307 File
    38308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38309 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38310 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38311 File
    38312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38313 packages/chimerax/core/session.py", line 943, in <lambda> 
    38314 logger.report_exception(preface=preface)) 
    38315 File
    38316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38317 packages/chimerax/core/logger.py", line 421, in report_exception 
    38318 elif probably_chimera1_session(exc_info): 
    38319 File
    38320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38321 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38322 etype, evalue, etraceback = exc_info 
    38323 TypeError: cannot unpack non-iterable NoneType object 
    38324  
    38325 TypeError: cannot unpack non-iterable NoneType object 
    38326  
    38327 File
    38328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38329 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38330 etype, evalue, etraceback = exc_info 
    38331  
    38332 See log for complete Python traceback. 
    38333  
    38334 Traceback (most recent call last): 
    38335 File
    38336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38337 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38338 return self._func(self._name, data) 
    38339 File
    38340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38341 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38342 if v.display: 
    38343 File
    38344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38345 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38346 return self._any_displayed_positions and len(self._positions) > 0 
    38347 TypeError: object of type 'NoneType' has no len() 
    38348  
    38349 During handling of the above exception, another exception occurred: 
    38350  
    38351 Traceback (most recent call last): 
    38352 File
    38353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38354 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38355 if not self.draw_new_frame(): 
    38356 File
    38357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38358 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38359 changed = view.check_for_drawing_change() 
    38360 File
    38361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38362 packages/chimerax/core/graphics/view.py", line 252, in
    38363 check_for_drawing_change 
    38364 trig.activate_trigger('graphics update', self) 
    38365 File
    38366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38367 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38368 trigger.activate(data) 
    38369 File
    38370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38371 packages/chimerax/core/triggerset.py", line 190, in activate 
    38372 ret = handler.invoke(data, self._remove_bad_handlers) 
    38373 File
    38374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38375 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38376 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38377 File
    38378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38379 packages/chimerax/core/session.py", line 943, in <lambda> 
    38380 logger.report_exception(preface=preface)) 
    38381 File
    38382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38383 packages/chimerax/core/logger.py", line 421, in report_exception 
    38384 elif probably_chimera1_session(exc_info): 
    38385 File
    38386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38387 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38388 etype, evalue, etraceback = exc_info 
    38389 TypeError: cannot unpack non-iterable NoneType object 
    38390  
    38391 TypeError: cannot unpack non-iterable NoneType object 
    38392  
    38393 File
    38394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38395 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38396 etype, evalue, etraceback = exc_info 
    38397  
    38398 See log for complete Python traceback. 
    38399  
    38400 Traceback (most recent call last): 
    38401 File
    38402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38403 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38404 return self._func(self._name, data) 
    38405 File
    38406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38407 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38408 if v.display: 
    38409 File
    38410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38411 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38412 return self._any_displayed_positions and len(self._positions) > 0 
    38413 TypeError: object of type 'NoneType' has no len() 
    38414  
    38415 During handling of the above exception, another exception occurred: 
    38416  
    38417 Traceback (most recent call last): 
    38418 File
    38419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38420 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38421 if not self.draw_new_frame(): 
    38422 File
    38423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38424 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38425 changed = view.check_for_drawing_change() 
    38426 File
    38427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38428 packages/chimerax/core/graphics/view.py", line 252, in
    38429 check_for_drawing_change 
    38430 trig.activate_trigger('graphics update', self) 
    38431 File
    38432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38433 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38434 trigger.activate(data) 
    38435 File
    38436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38437 packages/chimerax/core/triggerset.py", line 190, in activate 
    38438 ret = handler.invoke(data, self._remove_bad_handlers) 
    38439 File
    38440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38441 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38442 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38443 File
    38444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38445 packages/chimerax/core/session.py", line 943, in <lambda> 
    38446 logger.report_exception(preface=preface)) 
    38447 File
    38448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38449 packages/chimerax/core/logger.py", line 421, in report_exception 
    38450 elif probably_chimera1_session(exc_info): 
    38451 File
    38452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38453 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38454 etype, evalue, etraceback = exc_info 
    38455 TypeError: cannot unpack non-iterable NoneType object 
    38456  
    38457 TypeError: cannot unpack non-iterable NoneType object 
    38458  
    38459 File
    38460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38461 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38462 etype, evalue, etraceback = exc_info 
    38463  
    38464 See log for complete Python traceback. 
    38465  
    38466 Traceback (most recent call last): 
    38467 File
    38468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38469 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38470 return self._func(self._name, data) 
    38471 File
    38472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38473 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38474 if v.display: 
    38475 File
    38476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38477 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38478 return self._any_displayed_positions and len(self._positions) > 0 
    38479 TypeError: object of type 'NoneType' has no len() 
    38480  
    38481 During handling of the above exception, another exception occurred: 
    38482  
    38483 Traceback (most recent call last): 
    38484 File
    38485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38486 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38487 if not self.draw_new_frame(): 
    38488 File
    38489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38490 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38491 changed = view.check_for_drawing_change() 
    38492 File
    38493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38494 packages/chimerax/core/graphics/view.py", line 252, in
    38495 check_for_drawing_change 
    38496 trig.activate_trigger('graphics update', self) 
    38497 File
    38498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38499 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38500 trigger.activate(data) 
    38501 File
    38502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38503 packages/chimerax/core/triggerset.py", line 190, in activate 
    38504 ret = handler.invoke(data, self._remove_bad_handlers) 
    38505 File
    38506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38507 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38508 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38509 File
    38510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38511 packages/chimerax/core/session.py", line 943, in <lambda> 
    38512 logger.report_exception(preface=preface)) 
    38513 File
    38514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38515 packages/chimerax/core/logger.py", line 421, in report_exception 
    38516 elif probably_chimera1_session(exc_info): 
    38517 File
    38518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38519 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38520 etype, evalue, etraceback = exc_info 
    38521 TypeError: cannot unpack non-iterable NoneType object 
    38522  
    38523 TypeError: cannot unpack non-iterable NoneType object 
    38524  
    38525 File
    38526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38527 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38528 etype, evalue, etraceback = exc_info 
    38529  
    38530 See log for complete Python traceback. 
    38531  
    38532 Traceback (most recent call last): 
    38533 File
    38534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38535 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38536 return self._func(self._name, data) 
    38537 File
    38538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38539 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38540 if v.display: 
    38541 File
    38542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38543 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38544 return self._any_displayed_positions and len(self._positions) > 0 
    38545 TypeError: object of type 'NoneType' has no len() 
    38546  
    38547 During handling of the above exception, another exception occurred: 
    38548  
    38549 Traceback (most recent call last): 
    38550 File
    38551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38552 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38553 if not self.draw_new_frame(): 
    38554 File
    38555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38556 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38557 changed = view.check_for_drawing_change() 
    38558 File
    38559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38560 packages/chimerax/core/graphics/view.py", line 252, in
    38561 check_for_drawing_change 
    38562 trig.activate_trigger('graphics update', self) 
    38563 File
    38564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38565 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38566 trigger.activate(data) 
    38567 File
    38568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38569 packages/chimerax/core/triggerset.py", line 190, in activate 
    38570 ret = handler.invoke(data, self._remove_bad_handlers) 
    38571 File
    38572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38573 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38574 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38575 File
    38576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38577 packages/chimerax/core/session.py", line 943, in <lambda> 
    38578 logger.report_exception(preface=preface)) 
    38579 File
    38580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38581 packages/chimerax/core/logger.py", line 421, in report_exception 
    38582 elif probably_chimera1_session(exc_info): 
    38583 File
    38584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38585 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38586 etype, evalue, etraceback = exc_info 
    38587 TypeError: cannot unpack non-iterable NoneType object 
    38588  
    38589 TypeError: cannot unpack non-iterable NoneType object 
    38590  
    38591 File
    38592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38593 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38594 etype, evalue, etraceback = exc_info 
    38595  
    38596 See log for complete Python traceback. 
    38597  
    38598 Traceback (most recent call last): 
    38599 File
    38600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38601 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38602 return self._func(self._name, data) 
    38603 File
    38604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38605 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38606 if v.display: 
    38607 File
    38608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38609 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38610 return self._any_displayed_positions and len(self._positions) > 0 
    38611 TypeError: object of type 'NoneType' has no len() 
    38612  
    38613 During handling of the above exception, another exception occurred: 
    38614  
    38615 Traceback (most recent call last): 
    38616 File
    38617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38618 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38619 if not self.draw_new_frame(): 
    38620 File
    38621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38622 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38623 changed = view.check_for_drawing_change() 
    38624 File
    38625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38626 packages/chimerax/core/graphics/view.py", line 252, in
    38627 check_for_drawing_change 
    38628 trig.activate_trigger('graphics update', self) 
    38629 File
    38630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38631 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38632 trigger.activate(data) 
    38633 File
    38634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38635 packages/chimerax/core/triggerset.py", line 190, in activate 
    38636 ret = handler.invoke(data, self._remove_bad_handlers) 
    38637 File
    38638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38639 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38640 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38641 File
    38642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38643 packages/chimerax/core/session.py", line 943, in <lambda> 
    38644 logger.report_exception(preface=preface)) 
    38645 File
    38646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38647 packages/chimerax/core/logger.py", line 421, in report_exception 
    38648 elif probably_chimera1_session(exc_info): 
    38649 File
    38650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38651 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38652 etype, evalue, etraceback = exc_info 
    38653 TypeError: cannot unpack non-iterable NoneType object 
    38654  
    38655 TypeError: cannot unpack non-iterable NoneType object 
    38656  
    38657 File
    38658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38659 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38660 etype, evalue, etraceback = exc_info 
    38661  
    38662 See log for complete Python traceback. 
    38663  
    38664 Traceback (most recent call last): 
    38665 File
    38666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38667 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38668 return self._func(self._name, data) 
    38669 File
    38670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38671 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38672 if v.display: 
    38673 File
    38674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38675 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38676 return self._any_displayed_positions and len(self._positions) > 0 
    38677 TypeError: object of type 'NoneType' has no len() 
    38678  
    38679 During handling of the above exception, another exception occurred: 
    38680  
    38681 Traceback (most recent call last): 
    38682 File
    38683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38684 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38685 if not self.draw_new_frame(): 
    38686 File
    38687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38688 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38689 changed = view.check_for_drawing_change() 
    38690 File
    38691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38692 packages/chimerax/core/graphics/view.py", line 252, in
    38693 check_for_drawing_change 
    38694 trig.activate_trigger('graphics update', self) 
    38695 File
    38696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38697 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38698 trigger.activate(data) 
    38699 File
    38700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38701 packages/chimerax/core/triggerset.py", line 190, in activate 
    38702 ret = handler.invoke(data, self._remove_bad_handlers) 
    38703 File
    38704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38705 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38706 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38707 File
    38708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38709 packages/chimerax/core/session.py", line 943, in <lambda> 
    38710 logger.report_exception(preface=preface)) 
    38711 File
    38712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38713 packages/chimerax/core/logger.py", line 421, in report_exception 
    38714 elif probably_chimera1_session(exc_info): 
    38715 File
    38716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38717 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38718 etype, evalue, etraceback = exc_info 
    38719 TypeError: cannot unpack non-iterable NoneType object 
    38720  
    38721 TypeError: cannot unpack non-iterable NoneType object 
    38722  
    38723 File
    38724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38725 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38726 etype, evalue, etraceback = exc_info 
    38727  
    38728 See log for complete Python traceback. 
    38729  
    38730 Traceback (most recent call last): 
    38731 File
    38732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38733 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38734 return self._func(self._name, data) 
    38735 File
    38736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38737 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38738 if v.display: 
    38739 File
    38740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38741 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38742 return self._any_displayed_positions and len(self._positions) > 0 
    38743 TypeError: object of type 'NoneType' has no len() 
    38744  
    38745 During handling of the above exception, another exception occurred: 
    38746  
    38747 Traceback (most recent call last): 
    38748 File
    38749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38750 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38751 if not self.draw_new_frame(): 
    38752 File
    38753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38754 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38755 changed = view.check_for_drawing_change() 
    38756 File
    38757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38758 packages/chimerax/core/graphics/view.py", line 252, in
    38759 check_for_drawing_change 
    38760 trig.activate_trigger('graphics update', self) 
    38761 File
    38762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38763 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38764 trigger.activate(data) 
    38765 File
    38766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38767 packages/chimerax/core/triggerset.py", line 190, in activate 
    38768 ret = handler.invoke(data, self._remove_bad_handlers) 
    38769 File
    38770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38771 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38772 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38773 File
    38774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38775 packages/chimerax/core/session.py", line 943, in <lambda> 
    38776 logger.report_exception(preface=preface)) 
    38777 File
    38778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38779 packages/chimerax/core/logger.py", line 421, in report_exception 
    38780 elif probably_chimera1_session(exc_info): 
    38781 File
    38782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38783 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38784 etype, evalue, etraceback = exc_info 
    38785 TypeError: cannot unpack non-iterable NoneType object 
    38786  
    38787 TypeError: cannot unpack non-iterable NoneType object 
    38788  
    38789 File
    38790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38791 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38792 etype, evalue, etraceback = exc_info 
    38793  
    38794 See log for complete Python traceback. 
    38795  
    38796 Traceback (most recent call last): 
    38797 File
    38798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38799 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38800 return self._func(self._name, data) 
    38801 File
    38802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38803 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38804 if v.display: 
    38805 File
    38806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38807 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38808 return self._any_displayed_positions and len(self._positions) > 0 
    38809 TypeError: object of type 'NoneType' has no len() 
    38810  
    38811 During handling of the above exception, another exception occurred: 
    38812  
    38813 Traceback (most recent call last): 
    38814 File
    38815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38816 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38817 if not self.draw_new_frame(): 
    38818 File
    38819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38820 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38821 changed = view.check_for_drawing_change() 
    38822 File
    38823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38824 packages/chimerax/core/graphics/view.py", line 252, in
    38825 check_for_drawing_change 
    38826 trig.activate_trigger('graphics update', self) 
    38827 File
    38828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38829 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38830 trigger.activate(data) 
    38831 File
    38832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38833 packages/chimerax/core/triggerset.py", line 190, in activate 
    38834 ret = handler.invoke(data, self._remove_bad_handlers) 
    38835 File
    38836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38837 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38838 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38839 File
    38840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38841 packages/chimerax/core/session.py", line 943, in <lambda> 
    38842 logger.report_exception(preface=preface)) 
    38843 File
    38844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38845 packages/chimerax/core/logger.py", line 421, in report_exception 
    38846 elif probably_chimera1_session(exc_info): 
    38847 File
    38848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38849 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38850 etype, evalue, etraceback = exc_info 
    38851 TypeError: cannot unpack non-iterable NoneType object 
    38852  
    38853 TypeError: cannot unpack non-iterable NoneType object 
    38854  
    38855 File
    38856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38857 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38858 etype, evalue, etraceback = exc_info 
    38859  
    38860 See log for complete Python traceback. 
    38861  
    38862 Traceback (most recent call last): 
    38863 File
    38864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38865 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38866 return self._func(self._name, data) 
    38867 File
    38868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38869 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38870 if v.display: 
    38871 File
    38872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38873 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38874 return self._any_displayed_positions and len(self._positions) > 0 
    38875 TypeError: object of type 'NoneType' has no len() 
    38876  
    38877 During handling of the above exception, another exception occurred: 
    38878  
    38879 Traceback (most recent call last): 
    38880 File
    38881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38882 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38883 if not self.draw_new_frame(): 
    38884 File
    38885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38886 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38887 changed = view.check_for_drawing_change() 
    38888 File
    38889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38890 packages/chimerax/core/graphics/view.py", line 252, in
    38891 check_for_drawing_change 
    38892 trig.activate_trigger('graphics update', self) 
    38893 File
    38894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38895 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38896 trigger.activate(data) 
    38897 File
    38898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38899 packages/chimerax/core/triggerset.py", line 190, in activate 
    38900 ret = handler.invoke(data, self._remove_bad_handlers) 
    38901 File
    38902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38903 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38904 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38905 File
    38906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38907 packages/chimerax/core/session.py", line 943, in <lambda> 
    38908 logger.report_exception(preface=preface)) 
    38909 File
    38910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38911 packages/chimerax/core/logger.py", line 421, in report_exception 
    38912 elif probably_chimera1_session(exc_info): 
    38913 File
    38914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38915 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38916 etype, evalue, etraceback = exc_info 
    38917 TypeError: cannot unpack non-iterable NoneType object 
    38918  
    38919 TypeError: cannot unpack non-iterable NoneType object 
    38920  
    38921 File
    38922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38923 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38924 etype, evalue, etraceback = exc_info 
    38925  
    38926 See log for complete Python traceback. 
    38927  
    38928 Traceback (most recent call last): 
    38929 File
    38930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38931 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38932 return self._func(self._name, data) 
    38933 File
    38934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38935 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38936 if v.display: 
    38937 File
    38938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38939 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38940 return self._any_displayed_positions and len(self._positions) > 0 
    38941 TypeError: object of type 'NoneType' has no len() 
    38942  
    38943 During handling of the above exception, another exception occurred: 
    38944  
    38945 Traceback (most recent call last): 
    38946 File
    38947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38948 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38949 if not self.draw_new_frame(): 
    38950 File
    38951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38952 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38953 changed = view.check_for_drawing_change() 
    38954 File
    38955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38956 packages/chimerax/core/graphics/view.py", line 252, in
    38957 check_for_drawing_change 
    38958 trig.activate_trigger('graphics update', self) 
    38959 File
    38960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38961 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38962 trigger.activate(data) 
    38963 File
    38964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38965 packages/chimerax/core/triggerset.py", line 190, in activate 
    38966 ret = handler.invoke(data, self._remove_bad_handlers) 
    38967 File
    38968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38969 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38970 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38971 File
    38972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38973 packages/chimerax/core/session.py", line 943, in <lambda> 
    38974 logger.report_exception(preface=preface)) 
    38975 File
    38976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38977 packages/chimerax/core/logger.py", line 421, in report_exception 
    38978 elif probably_chimera1_session(exc_info): 
    38979 File
    38980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38981 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38982 etype, evalue, etraceback = exc_info 
    38983 TypeError: cannot unpack non-iterable NoneType object 
    38984  
    38985 TypeError: cannot unpack non-iterable NoneType object 
    38986  
    38987 File
    38988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38989 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38990 etype, evalue, etraceback = exc_info 
    38991  
    38992 See log for complete Python traceback. 
    38993  
    38994 Traceback (most recent call last): 
    38995 File
    38996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38997 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38998 return self._func(self._name, data) 
    38999 File
    39000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39001 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39002 if v.display: 
    39003 File
    39004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39005 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39006 return self._any_displayed_positions and len(self._positions) > 0 
    39007 TypeError: object of type 'NoneType' has no len() 
    39008  
    39009 During handling of the above exception, another exception occurred: 
    39010  
    39011 Traceback (most recent call last): 
    39012 File
    39013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39014 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39015 if not self.draw_new_frame(): 
    39016 File
    39017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39018 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39019 changed = view.check_for_drawing_change() 
    39020 File
    39021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39022 packages/chimerax/core/graphics/view.py", line 252, in
    39023 check_for_drawing_change 
    39024 trig.activate_trigger('graphics update', self) 
    39025 File
    39026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39027 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39028 trigger.activate(data) 
    39029 File
    39030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39031 packages/chimerax/core/triggerset.py", line 190, in activate 
    39032 ret = handler.invoke(data, self._remove_bad_handlers) 
    39033 File
    39034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39035 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39036 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39037 File
    39038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39039 packages/chimerax/core/session.py", line 943, in <lambda> 
    39040 logger.report_exception(preface=preface)) 
    39041 File
    39042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39043 packages/chimerax/core/logger.py", line 421, in report_exception 
    39044 elif probably_chimera1_session(exc_info): 
    39045 File
    39046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39047 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39048 etype, evalue, etraceback = exc_info 
    39049 TypeError: cannot unpack non-iterable NoneType object 
    39050  
    39051 TypeError: cannot unpack non-iterable NoneType object 
    39052  
    39053 File
    39054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39055 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39056 etype, evalue, etraceback = exc_info 
    39057  
    39058 See log for complete Python traceback. 
    39059  
    39060 Traceback (most recent call last): 
    39061 File
    39062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39063 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39064 return self._func(self._name, data) 
    39065 File
    39066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39067 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39068 if v.display: 
    39069 File
    39070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39071 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39072 return self._any_displayed_positions and len(self._positions) > 0 
    39073 TypeError: object of type 'NoneType' has no len() 
    39074  
    39075 During handling of the above exception, another exception occurred: 
    39076  
    39077 Traceback (most recent call last): 
    39078 File
    39079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39080 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39081 if not self.draw_new_frame(): 
    39082 File
    39083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39084 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39085 changed = view.check_for_drawing_change() 
    39086 File
    39087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39088 packages/chimerax/core/graphics/view.py", line 252, in
    39089 check_for_drawing_change 
    39090 trig.activate_trigger('graphics update', self) 
    39091 File
    39092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39093 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39094 trigger.activate(data) 
    39095 File
    39096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39097 packages/chimerax/core/triggerset.py", line 190, in activate 
    39098 ret = handler.invoke(data, self._remove_bad_handlers) 
    39099 File
    39100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39101 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39102 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39103 File
    39104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39105 packages/chimerax/core/session.py", line 943, in <lambda> 
    39106 logger.report_exception(preface=preface)) 
    39107 File
    39108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39109 packages/chimerax/core/logger.py", line 421, in report_exception 
    39110 elif probably_chimera1_session(exc_info): 
    39111 File
    39112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39113 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39114 etype, evalue, etraceback = exc_info 
    39115 TypeError: cannot unpack non-iterable NoneType object 
    39116  
    39117 TypeError: cannot unpack non-iterable NoneType object 
    39118  
    39119 File
    39120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39121 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39122 etype, evalue, etraceback = exc_info 
    39123  
    39124 See log for complete Python traceback. 
    39125  
    39126 Traceback (most recent call last): 
    39127 File
    39128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39129 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39130 return self._func(self._name, data) 
    39131 File
    39132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39133 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39134 if v.display: 
    39135 File
    39136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39137 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39138 return self._any_displayed_positions and len(self._positions) > 0 
    39139 TypeError: object of type 'NoneType' has no len() 
    39140  
    39141 During handling of the above exception, another exception occurred: 
    39142  
    39143 Traceback (most recent call last): 
    39144 File
    39145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39146 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39147 if not self.draw_new_frame(): 
    39148 File
    39149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39150 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39151 changed = view.check_for_drawing_change() 
    39152 File
    39153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39154 packages/chimerax/core/graphics/view.py", line 252, in
    39155 check_for_drawing_change 
    39156 trig.activate_trigger('graphics update', self) 
    39157 File
    39158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39159 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39160 trigger.activate(data) 
    39161 File
    39162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39163 packages/chimerax/core/triggerset.py", line 190, in activate 
    39164 ret = handler.invoke(data, self._remove_bad_handlers) 
    39165 File
    39166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39167 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39168 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39169 File
    39170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39171 packages/chimerax/core/session.py", line 943, in <lambda> 
    39172 logger.report_exception(preface=preface)) 
    39173 File
    39174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39175 packages/chimerax/core/logger.py", line 421, in report_exception 
    39176 elif probably_chimera1_session(exc_info): 
    39177 File
    39178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39179 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39180 etype, evalue, etraceback = exc_info 
    39181 TypeError: cannot unpack non-iterable NoneType object 
    39182  
    39183 TypeError: cannot unpack non-iterable NoneType object 
    39184  
    39185 File
    39186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39187 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39188 etype, evalue, etraceback = exc_info 
    39189  
    39190 See log for complete Python traceback. 
    39191  
    39192 Traceback (most recent call last): 
    39193 File
    39194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39195 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39196 return self._func(self._name, data) 
    39197 File
    39198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39199 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39200 if v.display: 
    39201 File
    39202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39203 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39204 return self._any_displayed_positions and len(self._positions) > 0 
    39205 TypeError: object of type 'NoneType' has no len() 
    39206  
    39207 During handling of the above exception, another exception occurred: 
    39208  
    39209 Traceback (most recent call last): 
    39210 File
    39211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39212 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39213 if not self.draw_new_frame(): 
    39214 File
    39215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39216 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39217 changed = view.check_for_drawing_change() 
    39218 File
    39219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39220 packages/chimerax/core/graphics/view.py", line 252, in
    39221 check_for_drawing_change 
    39222 trig.activate_trigger('graphics update', self) 
    39223 File
    39224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39225 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39226 trigger.activate(data) 
    39227 File
    39228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39229 packages/chimerax/core/triggerset.py", line 190, in activate 
    39230 ret = handler.invoke(data, self._remove_bad_handlers) 
    39231 File
    39232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39233 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39234 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39235 File
    39236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39237 packages/chimerax/core/session.py", line 943, in <lambda> 
    39238 logger.report_exception(preface=preface)) 
    39239 File
    39240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39241 packages/chimerax/core/logger.py", line 421, in report_exception 
    39242 elif probably_chimera1_session(exc_info): 
    39243 File
    39244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39245 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39246 etype, evalue, etraceback = exc_info 
    39247 TypeError: cannot unpack non-iterable NoneType object 
    39248  
    39249 TypeError: cannot unpack non-iterable NoneType object 
    39250  
    39251 File
    39252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39253 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39254 etype, evalue, etraceback = exc_info 
    39255  
    39256 See log for complete Python traceback. 
    39257  
    39258 Traceback (most recent call last): 
    39259 File
    39260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39261 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39262 return self._func(self._name, data) 
    39263 File
    39264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39265 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39266 if v.display: 
    39267 File
    39268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39269 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39270 return self._any_displayed_positions and len(self._positions) > 0 
    39271 TypeError: object of type 'NoneType' has no len() 
    39272  
    39273 During handling of the above exception, another exception occurred: 
    39274  
    39275 Traceback (most recent call last): 
    39276 File
    39277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39278 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39279 if not self.draw_new_frame(): 
    39280 File
    39281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39282 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39283 changed = view.check_for_drawing_change() 
    39284 File
    39285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39286 packages/chimerax/core/graphics/view.py", line 252, in
    39287 check_for_drawing_change 
    39288 trig.activate_trigger('graphics update', self) 
    39289 File
    39290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39291 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39292 trigger.activate(data) 
    39293 File
    39294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39295 packages/chimerax/core/triggerset.py", line 190, in activate 
    39296 ret = handler.invoke(data, self._remove_bad_handlers) 
    39297 File
    39298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39299 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39300 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39301 File
    39302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39303 packages/chimerax/core/session.py", line 943, in <lambda> 
    39304 logger.report_exception(preface=preface)) 
    39305 File
    39306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39307 packages/chimerax/core/logger.py", line 421, in report_exception 
    39308 elif probably_chimera1_session(exc_info): 
    39309 File
    39310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39311 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39312 etype, evalue, etraceback = exc_info 
    39313 TypeError: cannot unpack non-iterable NoneType object 
    39314  
    39315 TypeError: cannot unpack non-iterable NoneType object 
    39316  
    39317 File
    39318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39319 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39320 etype, evalue, etraceback = exc_info 
    39321  
    39322 See log for complete Python traceback. 
    39323  
    39324 Traceback (most recent call last): 
    39325 File
    39326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39327 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39328 return self._func(self._name, data) 
    39329 File
    39330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39331 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39332 if v.display: 
    39333 File
    39334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39335 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39336 return self._any_displayed_positions and len(self._positions) > 0 
    39337 TypeError: object of type 'NoneType' has no len() 
    39338  
    39339 During handling of the above exception, another exception occurred: 
    39340  
    39341 Traceback (most recent call last): 
    39342 File
    39343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39344 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39345 if not self.draw_new_frame(): 
    39346 File
    39347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39348 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39349 changed = view.check_for_drawing_change() 
    39350 File
    39351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39352 packages/chimerax/core/graphics/view.py", line 252, in
    39353 check_for_drawing_change 
    39354 trig.activate_trigger('graphics update', self) 
    39355 File
    39356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39357 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39358 trigger.activate(data) 
    39359 File
    39360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39361 packages/chimerax/core/triggerset.py", line 190, in activate 
    39362 ret = handler.invoke(data, self._remove_bad_handlers) 
    39363 File
    39364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39365 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39366 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39367 File
    39368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39369 packages/chimerax/core/session.py", line 943, in <lambda> 
    39370 logger.report_exception(preface=preface)) 
    39371 File
    39372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39373 packages/chimerax/core/logger.py", line 421, in report_exception 
    39374 elif probably_chimera1_session(exc_info): 
    39375 File
    39376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39377 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39378 etype, evalue, etraceback = exc_info 
    39379 TypeError: cannot unpack non-iterable NoneType object 
    39380  
    39381 TypeError: cannot unpack non-iterable NoneType object 
    39382  
    39383 File
    39384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39385 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39386 etype, evalue, etraceback = exc_info 
    39387  
    39388 See log for complete Python traceback. 
    39389  
    39390 Traceback (most recent call last): 
    39391 File
    39392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39393 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39394 return self._func(self._name, data) 
    39395 File
    39396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39397 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39398 if v.display: 
    39399 File
    39400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39401 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39402 return self._any_displayed_positions and len(self._positions) > 0 
    39403 TypeError: object of type 'NoneType' has no len() 
    39404  
    39405 During handling of the above exception, another exception occurred: 
    39406  
    39407 Traceback (most recent call last): 
    39408 File
    39409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39410 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39411 if not self.draw_new_frame(): 
    39412 File
    39413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39414 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39415 changed = view.check_for_drawing_change() 
    39416 File
    39417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39418 packages/chimerax/core/graphics/view.py", line 252, in
    39419 check_for_drawing_change 
    39420 trig.activate_trigger('graphics update', self) 
    39421 File
    39422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39423 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39424 trigger.activate(data) 
    39425 File
    39426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39427 packages/chimerax/core/triggerset.py", line 190, in activate 
    39428 ret = handler.invoke(data, self._remove_bad_handlers) 
    39429 File
    39430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39431 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39432 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39433 File
    39434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39435 packages/chimerax/core/session.py", line 943, in <lambda> 
    39436 logger.report_exception(preface=preface)) 
    39437 File
    39438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39439 packages/chimerax/core/logger.py", line 421, in report_exception 
    39440 elif probably_chimera1_session(exc_info): 
    39441 File
    39442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39443 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39444 etype, evalue, etraceback = exc_info 
    39445 TypeError: cannot unpack non-iterable NoneType object 
    39446  
    39447 TypeError: cannot unpack non-iterable NoneType object 
    39448  
    39449 File
    39450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39451 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39452 etype, evalue, etraceback = exc_info 
    39453  
    39454 See log for complete Python traceback. 
    39455  
    39456 Traceback (most recent call last): 
    39457 File
    39458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39459 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39460 return self._func(self._name, data) 
    39461 File
    39462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39463 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39464 if v.display: 
    39465 File
    39466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39467 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39468 return self._any_displayed_positions and len(self._positions) > 0 
    39469 TypeError: object of type 'NoneType' has no len() 
    39470  
    39471 During handling of the above exception, another exception occurred: 
    39472  
    39473 Traceback (most recent call last): 
    39474 File
    39475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39476 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39477 if not self.draw_new_frame(): 
    39478 File
    39479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39480 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39481 changed = view.check_for_drawing_change() 
    39482 File
    39483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39484 packages/chimerax/core/graphics/view.py", line 252, in
    39485 check_for_drawing_change 
    39486 trig.activate_trigger('graphics update', self) 
    39487 File
    39488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39489 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39490 trigger.activate(data) 
    39491 File
    39492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39493 packages/chimerax/core/triggerset.py", line 190, in activate 
    39494 ret = handler.invoke(data, self._remove_bad_handlers) 
    39495 File
    39496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39497 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39498 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39499 File
    39500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39501 packages/chimerax/core/session.py", line 943, in <lambda> 
    39502 logger.report_exception(preface=preface)) 
    39503 File
    39504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39505 packages/chimerax/core/logger.py", line 421, in report_exception 
    39506 elif probably_chimera1_session(exc_info): 
    39507 File
    39508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39509 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39510 etype, evalue, etraceback = exc_info 
    39511 TypeError: cannot unpack non-iterable NoneType object 
    39512  
    39513 TypeError: cannot unpack non-iterable NoneType object 
    39514  
    39515 File
    39516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39517 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39518 etype, evalue, etraceback = exc_info 
    39519  
    39520 See log for complete Python traceback. 
    39521  
    39522 Traceback (most recent call last): 
    39523 File
    39524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39525 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39526 return self._func(self._name, data) 
    39527 File
    39528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39529 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39530 if v.display: 
    39531 File
    39532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39533 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39534 return self._any_displayed_positions and len(self._positions) > 0 
    39535 TypeError: object of type 'NoneType' has no len() 
    39536  
    39537 During handling of the above exception, another exception occurred: 
    39538  
    39539 Traceback (most recent call last): 
    39540 File
    39541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39542 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39543 if not self.draw_new_frame(): 
    39544 File
    39545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39546 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39547 changed = view.check_for_drawing_change() 
    39548 File
    39549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39550 packages/chimerax/core/graphics/view.py", line 252, in
    39551 check_for_drawing_change 
    39552 trig.activate_trigger('graphics update', self) 
    39553 File
    39554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39555 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39556 trigger.activate(data) 
    39557 File
    39558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39559 packages/chimerax/core/triggerset.py", line 190, in activate 
    39560 ret = handler.invoke(data, self._remove_bad_handlers) 
    39561 File
    39562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39563 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39564 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39565 File
    39566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39567 packages/chimerax/core/session.py", line 943, in <lambda> 
    39568 logger.report_exception(preface=preface)) 
    39569 File
    39570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39571 packages/chimerax/core/logger.py", line 421, in report_exception 
    39572 elif probably_chimera1_session(exc_info): 
    39573 File
    39574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39575 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39576 etype, evalue, etraceback = exc_info 
    39577 TypeError: cannot unpack non-iterable NoneType object 
    39578  
    39579 TypeError: cannot unpack non-iterable NoneType object 
    39580  
    39581 File
    39582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39583 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39584 etype, evalue, etraceback = exc_info 
    39585  
    39586 See log for complete Python traceback. 
    39587  
    39588 Traceback (most recent call last): 
    39589 File
    39590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39591 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39592 return self._func(self._name, data) 
    39593 File
    39594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39595 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39596 if v.display: 
    39597 File
    39598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39599 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39600 return self._any_displayed_positions and len(self._positions) > 0 
    39601 TypeError: object of type 'NoneType' has no len() 
    39602  
    39603 During handling of the above exception, another exception occurred: 
    39604  
    39605 Traceback (most recent call last): 
    39606 File
    39607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39608 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39609 if not self.draw_new_frame(): 
    39610 File
    39611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39612 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39613 changed = view.check_for_drawing_change() 
    39614 File
    39615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39616 packages/chimerax/core/graphics/view.py", line 252, in
    39617 check_for_drawing_change 
    39618 trig.activate_trigger('graphics update', self) 
    39619 File
    39620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39621 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39622 trigger.activate(data) 
    39623 File
    39624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39625 packages/chimerax/core/triggerset.py", line 190, in activate 
    39626 ret = handler.invoke(data, self._remove_bad_handlers) 
    39627 File
    39628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39629 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39630 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39631 File
    39632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39633 packages/chimerax/core/session.py", line 943, in <lambda> 
    39634 logger.report_exception(preface=preface)) 
    39635 File
    39636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39637 packages/chimerax/core/logger.py", line 421, in report_exception 
    39638 elif probably_chimera1_session(exc_info): 
    39639 File
    39640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39641 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39642 etype, evalue, etraceback = exc_info 
    39643 TypeError: cannot unpack non-iterable NoneType object 
    39644  
    39645 TypeError: cannot unpack non-iterable NoneType object 
    39646  
    39647 File
    39648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39649 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39650 etype, evalue, etraceback = exc_info 
    39651  
    39652 See log for complete Python traceback. 
    39653  
    39654 Traceback (most recent call last): 
    39655 File
    39656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39657 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39658 return self._func(self._name, data) 
    39659 File
    39660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39661 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39662 if v.display: 
    39663 File
    39664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39665 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39666 return self._any_displayed_positions and len(self._positions) > 0 
    39667 TypeError: object of type 'NoneType' has no len() 
    39668  
    39669 During handling of the above exception, another exception occurred: 
    39670  
    39671 Traceback (most recent call last): 
    39672 File
    39673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39674 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39675 if not self.draw_new_frame(): 
    39676 File
    39677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39678 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39679 changed = view.check_for_drawing_change() 
    39680 File
    39681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39682 packages/chimerax/core/graphics/view.py", line 252, in
    39683 check_for_drawing_change 
    39684 trig.activate_trigger('graphics update', self) 
    39685 File
    39686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39687 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39688 trigger.activate(data) 
    39689 File
    39690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39691 packages/chimerax/core/triggerset.py", line 190, in activate 
    39692 ret = handler.invoke(data, self._remove_bad_handlers) 
    39693 File
    39694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39695 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39696 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39697 File
    39698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39699 packages/chimerax/core/session.py", line 943, in <lambda> 
    39700 logger.report_exception(preface=preface)) 
    39701 File
    39702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39703 packages/chimerax/core/logger.py", line 421, in report_exception 
    39704 elif probably_chimera1_session(exc_info): 
    39705 File
    39706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39707 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39708 etype, evalue, etraceback = exc_info 
    39709 TypeError: cannot unpack non-iterable NoneType object 
    39710  
    39711 TypeError: cannot unpack non-iterable NoneType object 
    39712  
    39713 File
    39714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39715 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39716 etype, evalue, etraceback = exc_info 
    39717  
    39718 See log for complete Python traceback. 
    39719  
    39720 Traceback (most recent call last): 
    39721 File
    39722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39723 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39724 return self._func(self._name, data) 
    39725 File
    39726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39727 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39728 if v.display: 
    39729 File
    39730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39731 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39732 return self._any_displayed_positions and len(self._positions) > 0 
    39733 TypeError: object of type 'NoneType' has no len() 
    39734  
    39735 During handling of the above exception, another exception occurred: 
    39736  
    39737 Traceback (most recent call last): 
    39738 File
    39739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39740 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39741 if not self.draw_new_frame(): 
    39742 File
    39743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39744 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39745 changed = view.check_for_drawing_change() 
    39746 File
    39747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39748 packages/chimerax/core/graphics/view.py", line 252, in
    39749 check_for_drawing_change 
    39750 trig.activate_trigger('graphics update', self) 
    39751 File
    39752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39753 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39754 trigger.activate(data) 
    39755 File
    39756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39757 packages/chimerax/core/triggerset.py", line 190, in activate 
    39758 ret = handler.invoke(data, self._remove_bad_handlers) 
    39759 File
    39760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39761 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39762 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39763 File
    39764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39765 packages/chimerax/core/session.py", line 943, in <lambda> 
    39766 logger.report_exception(preface=preface)) 
    39767 File
    39768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39769 packages/chimerax/core/logger.py", line 421, in report_exception 
    39770 elif probably_chimera1_session(exc_info): 
    39771 File
    39772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39773 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39774 etype, evalue, etraceback = exc_info 
    39775 TypeError: cannot unpack non-iterable NoneType object 
    39776  
    39777 TypeError: cannot unpack non-iterable NoneType object 
    39778  
    39779 File
    39780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39781 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39782 etype, evalue, etraceback = exc_info 
    39783  
    39784 See log for complete Python traceback. 
    39785  
    39786 Traceback (most recent call last): 
    39787 File
    39788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39789 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39790 return self._func(self._name, data) 
    39791 File
    39792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39793 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39794 if v.display: 
    39795 File
    39796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39797 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39798 return self._any_displayed_positions and len(self._positions) > 0 
    39799 TypeError: object of type 'NoneType' has no len() 
    39800  
    39801 During handling of the above exception, another exception occurred: 
    39802  
    39803 Traceback (most recent call last): 
    39804 File
    39805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39806 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39807 if not self.draw_new_frame(): 
    39808 File
    39809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39810 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39811 changed = view.check_for_drawing_change() 
    39812 File
    39813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39814 packages/chimerax/core/graphics/view.py", line 252, in
    39815 check_for_drawing_change 
    39816 trig.activate_trigger('graphics update', self) 
    39817 File
    39818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39819 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39820 trigger.activate(data) 
    39821 File
    39822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39823 packages/chimerax/core/triggerset.py", line 190, in activate 
    39824 ret = handler.invoke(data, self._remove_bad_handlers) 
    39825 File
    39826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39827 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39828 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39829 File
    39830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39831 packages/chimerax/core/session.py", line 943, in <lambda> 
    39832 logger.report_exception(preface=preface)) 
    39833 File
    39834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39835 packages/chimerax/core/logger.py", line 421, in report_exception 
    39836 elif probably_chimera1_session(exc_info): 
    39837 File
    39838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39839 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39840 etype, evalue, etraceback = exc_info 
    39841 TypeError: cannot unpack non-iterable NoneType object 
    39842  
    39843 TypeError: cannot unpack non-iterable NoneType object 
    39844  
    39845 File
    39846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39847 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39848 etype, evalue, etraceback = exc_info 
    39849  
    39850 See log for complete Python traceback. 
    39851  
    39852 Traceback (most recent call last): 
    39853 File
    39854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39855 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39856 return self._func(self._name, data) 
    39857 File
    39858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39859 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39860 if v.display: 
    39861 File
    39862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39863 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39864 return self._any_displayed_positions and len(self._positions) > 0 
    39865 TypeError: object of type 'NoneType' has no len() 
    39866  
    39867 During handling of the above exception, another exception occurred: 
    39868  
    39869 Traceback (most recent call last): 
    39870 File
    39871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39872 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39873 if not self.draw_new_frame(): 
    39874 File
    39875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39876 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39877 changed = view.check_for_drawing_change() 
    39878 File
    39879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39880 packages/chimerax/core/graphics/view.py", line 252, in
    39881 check_for_drawing_change 
    39882 trig.activate_trigger('graphics update', self) 
    39883 File
    39884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39885 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39886 trigger.activate(data) 
    39887 File
    39888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39889 packages/chimerax/core/triggerset.py", line 190, in activate 
    39890 ret = handler.invoke(data, self._remove_bad_handlers) 
    39891 File
    39892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39893 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39894 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39895 File
    39896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39897 packages/chimerax/core/session.py", line 943, in <lambda> 
    39898 logger.report_exception(preface=preface)) 
    39899 File
    39900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39901 packages/chimerax/core/logger.py", line 421, in report_exception 
    39902 elif probably_chimera1_session(exc_info): 
    39903 File
    39904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39905 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39906 etype, evalue, etraceback = exc_info 
    39907 TypeError: cannot unpack non-iterable NoneType object 
    39908  
    39909 TypeError: cannot unpack non-iterable NoneType object 
    39910  
    39911 File
    39912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39913 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39914 etype, evalue, etraceback = exc_info 
    39915  
    39916 See log for complete Python traceback. 
    39917  
    39918 Traceback (most recent call last): 
    39919 File
    39920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39921 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39922 return self._func(self._name, data) 
    39923 File
    39924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39925 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39926 if v.display: 
    39927 File
    39928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39929 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39930 return self._any_displayed_positions and len(self._positions) > 0 
    39931 TypeError: object of type 'NoneType' has no len() 
    39932  
    39933 During handling of the above exception, another exception occurred: 
    39934  
    39935 Traceback (most recent call last): 
    39936 File
    39937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39938 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39939 if not self.draw_new_frame(): 
    39940 File
    39941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39942 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39943 changed = view.check_for_drawing_change() 
    39944 File
    39945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39946 packages/chimerax/core/graphics/view.py", line 252, in
    39947 check_for_drawing_change 
    39948 trig.activate_trigger('graphics update', self) 
    39949 File
    39950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39951 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39952 trigger.activate(data) 
    39953 File
    39954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39955 packages/chimerax/core/triggerset.py", line 190, in activate 
    39956 ret = handler.invoke(data, self._remove_bad_handlers) 
    39957 File
    39958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39959 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39960 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39961 File
    39962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39963 packages/chimerax/core/session.py", line 943, in <lambda> 
    39964 logger.report_exception(preface=preface)) 
    39965 File
    39966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39967 packages/chimerax/core/logger.py", line 421, in report_exception 
    39968 elif probably_chimera1_session(exc_info): 
    39969 File
    39970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39971 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39972 etype, evalue, etraceback = exc_info 
    39973 TypeError: cannot unpack non-iterable NoneType object 
    39974  
    39975 TypeError: cannot unpack non-iterable NoneType object 
    39976  
    39977 File
    39978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39979 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39980 etype, evalue, etraceback = exc_info 
    39981  
    39982 See log for complete Python traceback. 
    39983  
    39984 Traceback (most recent call last): 
    39985 File
    39986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39987 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39988 return self._func(self._name, data) 
    39989 File
    39990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39991 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39992 if v.display: 
    39993 File
    39994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39995 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39996 return self._any_displayed_positions and len(self._positions) > 0 
    39997 TypeError: object of type 'NoneType' has no len() 
    39998  
    39999 During handling of the above exception, another exception occurred: 
    40000  
    40001 Traceback (most recent call last): 
    40002 File
    40003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40004 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40005 if not self.draw_new_frame(): 
    40006 File
    40007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40008 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40009 changed = view.check_for_drawing_change() 
    40010 File
    40011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40012 packages/chimerax/core/graphics/view.py", line 252, in
    40013 check_for_drawing_change 
    40014 trig.activate_trigger('graphics update', self) 
    40015 File
    40016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40017 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40018 trigger.activate(data) 
    40019 File
    40020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40021 packages/chimerax/core/triggerset.py", line 190, in activate 
    40022 ret = handler.invoke(data, self._remove_bad_handlers) 
    40023 File
    40024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40025 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40026 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40027 File
    40028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40029 packages/chimerax/core/session.py", line 943, in <lambda> 
    40030 logger.report_exception(preface=preface)) 
    40031 File
    40032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40033 packages/chimerax/core/logger.py", line 421, in report_exception 
    40034 elif probably_chimera1_session(exc_info): 
    40035 File
    40036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40037 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40038 etype, evalue, etraceback = exc_info 
    40039 TypeError: cannot unpack non-iterable NoneType object 
    40040  
    40041 TypeError: cannot unpack non-iterable NoneType object 
    40042  
    40043 File
    40044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40045 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40046 etype, evalue, etraceback = exc_info 
    40047  
    40048 See log for complete Python traceback. 
    40049  
    40050 Traceback (most recent call last): 
    40051 File
    40052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40053 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40054 return self._func(self._name, data) 
    40055 File
    40056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40057 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40058 if v.display: 
    40059 File
    40060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40061 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40062 return self._any_displayed_positions and len(self._positions) > 0 
    40063 TypeError: object of type 'NoneType' has no len() 
    40064  
    40065 During handling of the above exception, another exception occurred: 
    40066  
    40067 Traceback (most recent call last): 
    40068 File
    40069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40070 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40071 if not self.draw_new_frame(): 
    40072 File
    40073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40074 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40075 changed = view.check_for_drawing_change() 
    40076 File
    40077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40078 packages/chimerax/core/graphics/view.py", line 252, in
    40079 check_for_drawing_change 
    40080 trig.activate_trigger('graphics update', self) 
    40081 File
    40082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40083 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40084 trigger.activate(data) 
    40085 File
    40086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40087 packages/chimerax/core/triggerset.py", line 190, in activate 
    40088 ret = handler.invoke(data, self._remove_bad_handlers) 
    40089 File
    40090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40091 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40092 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40093 File
    40094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40095 packages/chimerax/core/session.py", line 943, in <lambda> 
    40096 logger.report_exception(preface=preface)) 
    40097 File
    40098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40099 packages/chimerax/core/logger.py", line 421, in report_exception 
    40100 elif probably_chimera1_session(exc_info): 
    40101 File
    40102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40103 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40104 etype, evalue, etraceback = exc_info 
    40105 TypeError: cannot unpack non-iterable NoneType object 
    40106  
    40107 TypeError: cannot unpack non-iterable NoneType object 
    40108  
    40109 File
    40110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40111 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40112 etype, evalue, etraceback = exc_info 
    40113  
    40114 See log for complete Python traceback. 
    40115  
    40116 Traceback (most recent call last): 
    40117 File
    40118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40119 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40120 return self._func(self._name, data) 
    40121 File
    40122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40123 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40124 if v.display: 
    40125 File
    40126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40127 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40128 return self._any_displayed_positions and len(self._positions) > 0 
    40129 TypeError: object of type 'NoneType' has no len() 
    40130  
    40131 During handling of the above exception, another exception occurred: 
    40132  
    40133 Traceback (most recent call last): 
    40134 File
    40135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40136 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40137 if not self.draw_new_frame(): 
    40138 File
    40139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40140 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40141 changed = view.check_for_drawing_change() 
    40142 File
    40143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40144 packages/chimerax/core/graphics/view.py", line 252, in
    40145 check_for_drawing_change 
    40146 trig.activate_trigger('graphics update', self) 
    40147 File
    40148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40149 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40150 trigger.activate(data) 
    40151 File
    40152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40153 packages/chimerax/core/triggerset.py", line 190, in activate 
    40154 ret = handler.invoke(data, self._remove_bad_handlers) 
    40155 File
    40156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40157 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40158 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40159 File
    40160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40161 packages/chimerax/core/session.py", line 943, in <lambda> 
    40162 logger.report_exception(preface=preface)) 
    40163 File
    40164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40165 packages/chimerax/core/logger.py", line 421, in report_exception 
    40166 elif probably_chimera1_session(exc_info): 
    40167 File
    40168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40169 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40170 etype, evalue, etraceback = exc_info 
    40171 TypeError: cannot unpack non-iterable NoneType object 
    40172  
    40173 TypeError: cannot unpack non-iterable NoneType object 
    40174  
    40175 File
    40176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40177 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40178 etype, evalue, etraceback = exc_info 
    40179  
    40180 See log for complete Python traceback. 
    40181  
    40182 Traceback (most recent call last): 
    40183 File
    40184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40185 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40186 return self._func(self._name, data) 
    40187 File
    40188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40189 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40190 if v.display: 
    40191 File
    40192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40193 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40194 return self._any_displayed_positions and len(self._positions) > 0 
    40195 TypeError: object of type 'NoneType' has no len() 
    40196  
    40197 During handling of the above exception, another exception occurred: 
    40198  
    40199 Traceback (most recent call last): 
    40200 File
    40201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40202 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40203 if not self.draw_new_frame(): 
    40204 File
    40205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40206 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40207 changed = view.check_for_drawing_change() 
    40208 File
    40209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40210 packages/chimerax/core/graphics/view.py", line 252, in
    40211 check_for_drawing_change 
    40212 trig.activate_trigger('graphics update', self) 
    40213 File
    40214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40215 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40216 trigger.activate(data) 
    40217 File
    40218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40219 packages/chimerax/core/triggerset.py", line 190, in activate 
    40220 ret = handler.invoke(data, self._remove_bad_handlers) 
    40221 File
    40222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40223 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40224 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40225 File
    40226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40227 packages/chimerax/core/session.py", line 943, in <lambda> 
    40228 logger.report_exception(preface=preface)) 
    40229 File
    40230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40231 packages/chimerax/core/logger.py", line 421, in report_exception 
    40232 elif probably_chimera1_session(exc_info): 
    40233 File
    40234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40235 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40236 etype, evalue, etraceback = exc_info 
    40237 TypeError: cannot unpack non-iterable NoneType object 
    40238  
    40239 TypeError: cannot unpack non-iterable NoneType object 
    40240  
    40241 File
    40242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40243 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40244 etype, evalue, etraceback = exc_info 
    40245  
    40246 See log for complete Python traceback. 
    40247  
    40248 Traceback (most recent call last): 
    40249 File
    40250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40251 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40252 return self._func(self._name, data) 
    40253 File
    40254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40255 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40256 if v.display: 
    40257 File
    40258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40259 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40260 return self._any_displayed_positions and len(self._positions) > 0 
    40261 TypeError: object of type 'NoneType' has no len() 
    40262  
    40263 During handling of the above exception, another exception occurred: 
    40264  
    40265 Traceback (most recent call last): 
    40266 File
    40267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40268 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40269 if not self.draw_new_frame(): 
    40270 File
    40271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40272 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40273 changed = view.check_for_drawing_change() 
    40274 File
    40275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40276 packages/chimerax/core/graphics/view.py", line 252, in
    40277 check_for_drawing_change 
    40278 trig.activate_trigger('graphics update', self) 
    40279 File
    40280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40281 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40282 trigger.activate(data) 
    40283 File
    40284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40285 packages/chimerax/core/triggerset.py", line 190, in activate 
    40286 ret = handler.invoke(data, self._remove_bad_handlers) 
    40287 File
    40288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40289 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40290 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40291 File
    40292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40293 packages/chimerax/core/session.py", line 943, in <lambda> 
    40294 logger.report_exception(preface=preface)) 
    40295 File
    40296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40297 packages/chimerax/core/logger.py", line 421, in report_exception 
    40298 elif probably_chimera1_session(exc_info): 
    40299 File
    40300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40301 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40302 etype, evalue, etraceback = exc_info 
    40303 TypeError: cannot unpack non-iterable NoneType object 
    40304  
    40305 TypeError: cannot unpack non-iterable NoneType object 
    40306  
    40307 File
    40308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40309 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40310 etype, evalue, etraceback = exc_info 
    40311  
    40312 See log for complete Python traceback. 
    40313  
    40314 Traceback (most recent call last): 
    40315 File
    40316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40317 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40318 return self._func(self._name, data) 
    40319 File
    40320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40321 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40322 if v.display: 
    40323 File
    40324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40325 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40326 return self._any_displayed_positions and len(self._positions) > 0 
    40327 TypeError: object of type 'NoneType' has no len() 
    40328  
    40329 During handling of the above exception, another exception occurred: 
    40330  
    40331 Traceback (most recent call last): 
    40332 File
    40333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40334 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40335 if not self.draw_new_frame(): 
    40336 File
    40337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40338 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40339 changed = view.check_for_drawing_change() 
    40340 File
    40341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40342 packages/chimerax/core/graphics/view.py", line 252, in
    40343 check_for_drawing_change 
    40344 trig.activate_trigger('graphics update', self) 
    40345 File
    40346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40347 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40348 trigger.activate(data) 
    40349 File
    40350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40351 packages/chimerax/core/triggerset.py", line 190, in activate 
    40352 ret = handler.invoke(data, self._remove_bad_handlers) 
    40353 File
    40354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40355 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40356 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40357 File
    40358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40359 packages/chimerax/core/session.py", line 943, in <lambda> 
    40360 logger.report_exception(preface=preface)) 
    40361 File
    40362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40363 packages/chimerax/core/logger.py", line 421, in report_exception 
    40364 elif probably_chimera1_session(exc_info): 
    40365 File
    40366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40367 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40368 etype, evalue, etraceback = exc_info 
    40369 TypeError: cannot unpack non-iterable NoneType object 
    40370  
    40371 TypeError: cannot unpack non-iterable NoneType object 
    40372  
    40373 File
    40374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40375 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40376 etype, evalue, etraceback = exc_info 
    40377  
    40378 See log for complete Python traceback. 
    40379  
    40380 Traceback (most recent call last): 
    40381 File
    40382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40383 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40384 return self._func(self._name, data) 
    40385 File
    40386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40387 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40388 if v.display: 
    40389 File
    40390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40391 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40392 return self._any_displayed_positions and len(self._positions) > 0 
    40393 TypeError: object of type 'NoneType' has no len() 
    40394  
    40395 During handling of the above exception, another exception occurred: 
    40396  
    40397 Traceback (most recent call last): 
    40398 File
    40399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40400 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40401 if not self.draw_new_frame(): 
    40402 File
    40403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40404 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40405 changed = view.check_for_drawing_change() 
    40406 File
    40407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40408 packages/chimerax/core/graphics/view.py", line 252, in
    40409 check_for_drawing_change 
    40410 trig.activate_trigger('graphics update', self) 
    40411 File
    40412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40413 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40414 trigger.activate(data) 
    40415 File
    40416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40417 packages/chimerax/core/triggerset.py", line 190, in activate 
    40418 ret = handler.invoke(data, self._remove_bad_handlers) 
    40419 File
    40420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40421 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40422 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40423 File
    40424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40425 packages/chimerax/core/session.py", line 943, in <lambda> 
    40426 logger.report_exception(preface=preface)) 
    40427 File
    40428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40429 packages/chimerax/core/logger.py", line 421, in report_exception 
    40430 elif probably_chimera1_session(exc_info): 
    40431 File
    40432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40433 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40434 etype, evalue, etraceback = exc_info 
    40435 TypeError: cannot unpack non-iterable NoneType object 
    40436  
    40437 TypeError: cannot unpack non-iterable NoneType object 
    40438  
    40439 File
    40440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40441 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40442 etype, evalue, etraceback = exc_info 
    40443  
    40444 See log for complete Python traceback. 
    40445  
    40446 Traceback (most recent call last): 
    40447 File
    40448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40449 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40450 return self._func(self._name, data) 
    40451 File
    40452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40453 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40454 if v.display: 
    40455 File
    40456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40457 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40458 return self._any_displayed_positions and len(self._positions) > 0 
    40459 TypeError: object of type 'NoneType' has no len() 
    40460  
    40461 During handling of the above exception, another exception occurred: 
    40462  
    40463 Traceback (most recent call last): 
    40464 File
    40465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40466 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40467 if not self.draw_new_frame(): 
    40468 File
    40469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40470 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40471 changed = view.check_for_drawing_change() 
    40472 File
    40473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40474 packages/chimerax/core/graphics/view.py", line 252, in
    40475 check_for_drawing_change 
    40476 trig.activate_trigger('graphics update', self) 
    40477 File
    40478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40479 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40480 trigger.activate(data) 
    40481 File
    40482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40483 packages/chimerax/core/triggerset.py", line 190, in activate 
    40484 ret = handler.invoke(data, self._remove_bad_handlers) 
    40485 File
    40486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40487 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40488 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40489 File
    40490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40491 packages/chimerax/core/session.py", line 943, in <lambda> 
    40492 logger.report_exception(preface=preface)) 
    40493 File
    40494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40495 packages/chimerax/core/logger.py", line 421, in report_exception 
    40496 elif probably_chimera1_session(exc_info): 
    40497 File
    40498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40499 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40500 etype, evalue, etraceback = exc_info 
    40501 TypeError: cannot unpack non-iterable NoneType object 
    40502  
    40503 TypeError: cannot unpack non-iterable NoneType object 
    40504  
    40505 File
    40506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40507 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40508 etype, evalue, etraceback = exc_info 
    40509  
    40510 See log for complete Python traceback. 
    40511  
    40512 Traceback (most recent call last): 
    40513 File
    40514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40515 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40516 return self._func(self._name, data) 
    40517 File
    40518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40519 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40520 if v.display: 
    40521 File
    40522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40523 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40524 return self._any_displayed_positions and len(self._positions) > 0 
    40525 TypeError: object of type 'NoneType' has no len() 
    40526  
    40527 During handling of the above exception, another exception occurred: 
    40528  
    40529 Traceback (most recent call last): 
    40530 File
    40531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40532 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40533 if not self.draw_new_frame(): 
    40534 File
    40535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40536 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40537 changed = view.check_for_drawing_change() 
    40538 File
    40539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40540 packages/chimerax/core/graphics/view.py", line 252, in
    40541 check_for_drawing_change 
    40542 trig.activate_trigger('graphics update', self) 
    40543 File
    40544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40545 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40546 trigger.activate(data) 
    40547 File
    40548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40549 packages/chimerax/core/triggerset.py", line 190, in activate 
    40550 ret = handler.invoke(data, self._remove_bad_handlers) 
    40551 File
    40552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40553 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40554 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40555 File
    40556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40557 packages/chimerax/core/session.py", line 943, in <lambda> 
    40558 logger.report_exception(preface=preface)) 
    40559 File
    40560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40561 packages/chimerax/core/logger.py", line 421, in report_exception 
    40562 elif probably_chimera1_session(exc_info): 
    40563 File
    40564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40565 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40566 etype, evalue, etraceback = exc_info 
    40567 TypeError: cannot unpack non-iterable NoneType object 
    40568  
    40569 TypeError: cannot unpack non-iterable NoneType object 
    40570  
    40571 File
    40572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40573 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40574 etype, evalue, etraceback = exc_info 
    40575  
    40576 See log for complete Python traceback. 
    40577  
    40578 Traceback (most recent call last): 
    40579 File
    40580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40581 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40582 return self._func(self._name, data) 
    40583 File
    40584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40585 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40586 if v.display: 
    40587 File
    40588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40589 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40590 return self._any_displayed_positions and len(self._positions) > 0 
    40591 TypeError: object of type 'NoneType' has no len() 
    40592  
    40593 During handling of the above exception, another exception occurred: 
    40594  
    40595 Traceback (most recent call last): 
    40596 File
    40597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40598 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40599 if not self.draw_new_frame(): 
    40600 File
    40601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40602 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40603 changed = view.check_for_drawing_change() 
    40604 File
    40605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40606 packages/chimerax/core/graphics/view.py", line 252, in
    40607 check_for_drawing_change 
    40608 trig.activate_trigger('graphics update', self) 
    40609 File
    40610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40611 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40612 trigger.activate(data) 
    40613 File
    40614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40615 packages/chimerax/core/triggerset.py", line 190, in activate 
    40616 ret = handler.invoke(data, self._remove_bad_handlers) 
    40617 File
    40618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40619 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40620 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40621 File
    40622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40623 packages/chimerax/core/session.py", line 943, in <lambda> 
    40624 logger.report_exception(preface=preface)) 
    40625 File
    40626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40627 packages/chimerax/core/logger.py", line 421, in report_exception 
    40628 elif probably_chimera1_session(exc_info): 
    40629 File
    40630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40631 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40632 etype, evalue, etraceback = exc_info 
    40633 TypeError: cannot unpack non-iterable NoneType object 
    40634  
    40635 TypeError: cannot unpack non-iterable NoneType object 
    40636  
    40637 File
    40638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40639 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40640 etype, evalue, etraceback = exc_info 
    40641  
    40642 See log for complete Python traceback. 
    40643  
    40644 Traceback (most recent call last): 
    40645 File
    40646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40647 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40648 return self._func(self._name, data) 
    40649 File
    40650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40651 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40652 if v.display: 
    40653 File
    40654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40655 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40656 return self._any_displayed_positions and len(self._positions) > 0 
    40657 TypeError: object of type 'NoneType' has no len() 
    40658  
    40659 During handling of the above exception, another exception occurred: 
    40660  
    40661 Traceback (most recent call last): 
    40662 File
    40663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40664 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40665 if not self.draw_new_frame(): 
    40666 File
    40667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40668 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40669 changed = view.check_for_drawing_change() 
    40670 File
    40671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40672 packages/chimerax/core/graphics/view.py", line 252, in
    40673 check_for_drawing_change 
    40674 trig.activate_trigger('graphics update', self) 
    40675 File
    40676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40677 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40678 trigger.activate(data) 
    40679 File
    40680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40681 packages/chimerax/core/triggerset.py", line 190, in activate 
    40682 ret = handler.invoke(data, self._remove_bad_handlers) 
    40683 File
    40684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40685 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40686 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40687 File
    40688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40689 packages/chimerax/core/session.py", line 943, in <lambda> 
    40690 logger.report_exception(preface=preface)) 
    40691 File
    40692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40693 packages/chimerax/core/logger.py", line 421, in report_exception 
    40694 elif probably_chimera1_session(exc_info): 
    40695 File
    40696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40697 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40698 etype, evalue, etraceback = exc_info 
    40699 TypeError: cannot unpack non-iterable NoneType object 
    40700  
    40701 TypeError: cannot unpack non-iterable NoneType object 
    40702  
    40703 File
    40704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40705 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40706 etype, evalue, etraceback = exc_info 
    40707  
    40708 See log for complete Python traceback. 
    40709  
    40710 Traceback (most recent call last): 
    40711 File
    40712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40713 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40714 return self._func(self._name, data) 
    40715 File
    40716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40717 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40718 if v.display: 
    40719 File
    40720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40721 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40722 return self._any_displayed_positions and len(self._positions) > 0 
    40723 TypeError: object of type 'NoneType' has no len() 
    40724  
    40725 During handling of the above exception, another exception occurred: 
    40726  
    40727 Traceback (most recent call last): 
    40728 File
    40729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40730 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40731 if not self.draw_new_frame(): 
    40732 File
    40733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40734 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40735 changed = view.check_for_drawing_change() 
    40736 File
    40737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40738 packages/chimerax/core/graphics/view.py", line 252, in
    40739 check_for_drawing_change 
    40740 trig.activate_trigger('graphics update', self) 
    40741 File
    40742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40743 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40744 trigger.activate(data) 
    40745 File
    40746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40747 packages/chimerax/core/triggerset.py", line 190, in activate 
    40748 ret = handler.invoke(data, self._remove_bad_handlers) 
    40749 File
    40750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40751 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40752 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40753 File
    40754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40755 packages/chimerax/core/session.py", line 943, in <lambda> 
    40756 logger.report_exception(preface=preface)) 
    40757 File
    40758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40759 packages/chimerax/core/logger.py", line 421, in report_exception 
    40760 elif probably_chimera1_session(exc_info): 
    40761 File
    40762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40763 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40764 etype, evalue, etraceback = exc_info 
    40765 TypeError: cannot unpack non-iterable NoneType object 
    40766  
    40767 TypeError: cannot unpack non-iterable NoneType object 
    40768  
    40769 File
    40770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40771 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40772 etype, evalue, etraceback = exc_info 
    40773  
    40774 See log for complete Python traceback. 
    40775  
    40776 Traceback (most recent call last): 
    40777 File
    40778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40779 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40780 return self._func(self._name, data) 
    40781 File
    40782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40783 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40784 if v.display: 
    40785 File
    40786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40787 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40788 return self._any_displayed_positions and len(self._positions) > 0 
    40789 TypeError: object of type 'NoneType' has no len() 
    40790  
    40791 During handling of the above exception, another exception occurred: 
    40792  
    40793 Traceback (most recent call last): 
    40794 File
    40795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40796 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40797 if not self.draw_new_frame(): 
    40798 File
    40799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40800 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40801 changed = view.check_for_drawing_change() 
    40802 File
    40803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40804 packages/chimerax/core/graphics/view.py", line 252, in
    40805 check_for_drawing_change 
    40806 trig.activate_trigger('graphics update', self) 
    40807 File
    40808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40809 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40810 trigger.activate(data) 
    40811 File
    40812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40813 packages/chimerax/core/triggerset.py", line 190, in activate 
    40814 ret = handler.invoke(data, self._remove_bad_handlers) 
    40815 File
    40816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40817 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40818 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40819 File
    40820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40821 packages/chimerax/core/session.py", line 943, in <lambda> 
    40822 logger.report_exception(preface=preface)) 
    40823 File
    40824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40825 packages/chimerax/core/logger.py", line 421, in report_exception 
    40826 elif probably_chimera1_session(exc_info): 
    40827 File
    40828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40829 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40830 etype, evalue, etraceback = exc_info 
    40831 TypeError: cannot unpack non-iterable NoneType object 
    40832  
    40833 TypeError: cannot unpack non-iterable NoneType object 
    40834  
    40835 File
    40836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40837 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40838 etype, evalue, etraceback = exc_info 
    40839  
    40840 See log for complete Python traceback. 
    40841  
    40842 Traceback (most recent call last): 
    40843 File
    40844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40845 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40846 return self._func(self._name, data) 
    40847 File
    40848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40849 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40850 if v.display: 
    40851 File
    40852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40853 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40854 return self._any_displayed_positions and len(self._positions) > 0 
    40855 TypeError: object of type 'NoneType' has no len() 
    40856  
    40857 During handling of the above exception, another exception occurred: 
    40858  
    40859 Traceback (most recent call last): 
    40860 File
    40861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40862 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40863 if not self.draw_new_frame(): 
    40864 File
    40865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40866 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40867 changed = view.check_for_drawing_change() 
    40868 File
    40869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40870 packages/chimerax/core/graphics/view.py", line 252, in
    40871 check_for_drawing_change 
    40872 trig.activate_trigger('graphics update', self) 
    40873 File
    40874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40875 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40876 trigger.activate(data) 
    40877 File
    40878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40879 packages/chimerax/core/triggerset.py", line 190, in activate 
    40880 ret = handler.invoke(data, self._remove_bad_handlers) 
    40881 File
    40882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40883 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40884 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40885 File
    40886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40887 packages/chimerax/core/session.py", line 943, in <lambda> 
    40888 logger.report_exception(preface=preface)) 
    40889 File
    40890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40891 packages/chimerax/core/logger.py", line 421, in report_exception 
    40892 elif probably_chimera1_session(exc_info): 
    40893 File
    40894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40895 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40896 etype, evalue, etraceback = exc_info 
    40897 TypeError: cannot unpack non-iterable NoneType object 
    40898  
    40899 TypeError: cannot unpack non-iterable NoneType object 
    40900  
    40901 File
    40902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40903 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40904 etype, evalue, etraceback = exc_info 
    40905  
    40906 See log for complete Python traceback. 
    40907  
    40908 Traceback (most recent call last): 
    40909 File
    40910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40911 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40912 return self._func(self._name, data) 
    40913 File
    40914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40915 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40916 if v.display: 
    40917 File
    40918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40919 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40920 return self._any_displayed_positions and len(self._positions) > 0 
    40921 TypeError: object of type 'NoneType' has no len() 
    40922  
    40923 During handling of the above exception, another exception occurred: 
    40924  
    40925 Traceback (most recent call last): 
    40926 File
    40927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40928 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40929 if not self.draw_new_frame(): 
    40930 File
    40931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40932 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40933 changed = view.check_for_drawing_change() 
    40934 File
    40935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40936 packages/chimerax/core/graphics/view.py", line 252, in
    40937 check_for_drawing_change 
    40938 trig.activate_trigger('graphics update', self) 
    40939 File
    40940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40941 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40942 trigger.activate(data) 
    40943 File
    40944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40945 packages/chimerax/core/triggerset.py", line 190, in activate 
    40946 ret = handler.invoke(data, self._remove_bad_handlers) 
    40947 File
    40948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40949 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40950 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40951 File
    40952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40953 packages/chimerax/core/session.py", line 943, in <lambda> 
    40954 logger.report_exception(preface=preface)) 
    40955 File
    40956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40957 packages/chimerax/core/logger.py", line 421, in report_exception 
    40958 elif probably_chimera1_session(exc_info): 
    40959 File
    40960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40961 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40962 etype, evalue, etraceback = exc_info 
    40963 TypeError: cannot unpack non-iterable NoneType object 
    40964  
    40965 TypeError: cannot unpack non-iterable NoneType object 
    40966  
    40967 File
    40968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40969 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40970 etype, evalue, etraceback = exc_info 
    40971  
    40972 See log for complete Python traceback. 
    40973  
    40974 Traceback (most recent call last): 
    40975 File
    40976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40977 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40978 return self._func(self._name, data) 
    40979 File
    40980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40981 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40982 if v.display: 
    40983 File
    40984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40985 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40986 return self._any_displayed_positions and len(self._positions) > 0 
    40987 TypeError: object of type 'NoneType' has no len() 
    40988  
    40989 During handling of the above exception, another exception occurred: 
    40990  
    40991 Traceback (most recent call last): 
    40992 File
    40993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40994 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40995 if not self.draw_new_frame(): 
    40996 File
    40997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40998 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40999 changed = view.check_for_drawing_change() 
    41000 File
    41001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41002 packages/chimerax/core/graphics/view.py", line 252, in
    41003 check_for_drawing_change 
    41004 trig.activate_trigger('graphics update', self) 
    41005 File
    41006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41007 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41008 trigger.activate(data) 
    41009 File
    41010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41011 packages/chimerax/core/triggerset.py", line 190, in activate 
    41012 ret = handler.invoke(data, self._remove_bad_handlers) 
    41013 File
    41014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41015 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41016 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41017 File
    41018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41019 packages/chimerax/core/session.py", line 943, in <lambda> 
    41020 logger.report_exception(preface=preface)) 
    41021 File
    41022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41023 packages/chimerax/core/logger.py", line 421, in report_exception 
    41024 elif probably_chimera1_session(exc_info): 
    41025 File
    41026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41027 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41028 etype, evalue, etraceback = exc_info 
    41029 TypeError: cannot unpack non-iterable NoneType object 
    41030  
    41031 TypeError: cannot unpack non-iterable NoneType object 
    41032  
    41033 File
    41034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41035 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41036 etype, evalue, etraceback = exc_info 
    41037  
    41038 See log for complete Python traceback. 
    41039  
    41040 Traceback (most recent call last): 
    41041 File
    41042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41043 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41044 return self._func(self._name, data) 
    41045 File
    41046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41047 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41048 if v.display: 
    41049 File
    41050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41051 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41052 return self._any_displayed_positions and len(self._positions) > 0 
    41053 TypeError: object of type 'NoneType' has no len() 
    41054  
    41055 During handling of the above exception, another exception occurred: 
    41056  
    41057 Traceback (most recent call last): 
    41058 File
    41059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41060 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41061 if not self.draw_new_frame(): 
    41062 File
    41063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41064 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41065 changed = view.check_for_drawing_change() 
    41066 File
    41067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41068 packages/chimerax/core/graphics/view.py", line 252, in
    41069 check_for_drawing_change 
    41070 trig.activate_trigger('graphics update', self) 
    41071 File
    41072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41073 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41074 trigger.activate(data) 
    41075 File
    41076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41077 packages/chimerax/core/triggerset.py", line 190, in activate 
    41078 ret = handler.invoke(data, self._remove_bad_handlers) 
    41079 File
    41080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41081 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41082 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41083 File
    41084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41085 packages/chimerax/core/session.py", line 943, in <lambda> 
    41086 logger.report_exception(preface=preface)) 
    41087 File
    41088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41089 packages/chimerax/core/logger.py", line 421, in report_exception 
    41090 elif probably_chimera1_session(exc_info): 
    41091 File
    41092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41093 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41094 etype, evalue, etraceback = exc_info 
    41095 TypeError: cannot unpack non-iterable NoneType object 
    41096  
    41097 TypeError: cannot unpack non-iterable NoneType object 
    41098  
    41099 File
    41100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41101 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41102 etype, evalue, etraceback = exc_info 
    41103  
    41104 See log for complete Python traceback. 
    41105  
    41106 Traceback (most recent call last): 
    41107 File
    41108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41109 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41110 return self._func(self._name, data) 
    41111 File
    41112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41113 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41114 if v.display: 
    41115 File
    41116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41117 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41118 return self._any_displayed_positions and len(self._positions) > 0 
    41119 TypeError: object of type 'NoneType' has no len() 
    41120  
    41121 During handling of the above exception, another exception occurred: 
    41122  
    41123 Traceback (most recent call last): 
    41124 File
    41125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41126 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41127 if not self.draw_new_frame(): 
    41128 File
    41129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41130 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41131 changed = view.check_for_drawing_change() 
    41132 File
    41133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41134 packages/chimerax/core/graphics/view.py", line 252, in
    41135 check_for_drawing_change 
    41136 trig.activate_trigger('graphics update', self) 
    41137 File
    41138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41139 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41140 trigger.activate(data) 
    41141 File
    41142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41143 packages/chimerax/core/triggerset.py", line 190, in activate 
    41144 ret = handler.invoke(data, self._remove_bad_handlers) 
    41145 File
    41146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41147 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41148 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41149 File
    41150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41151 packages/chimerax/core/session.py", line 943, in <lambda> 
    41152 logger.report_exception(preface=preface)) 
    41153 File
    41154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41155 packages/chimerax/core/logger.py", line 421, in report_exception 
    41156 elif probably_chimera1_session(exc_info): 
    41157 File
    41158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41159 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41160 etype, evalue, etraceback = exc_info 
    41161 TypeError: cannot unpack non-iterable NoneType object 
    41162  
    41163 TypeError: cannot unpack non-iterable NoneType object 
    41164  
    41165 File
    41166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41167 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41168 etype, evalue, etraceback = exc_info 
    41169  
    41170 See log for complete Python traceback. 
    41171  
    41172 Traceback (most recent call last): 
    41173 File
    41174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41175 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41176 return self._func(self._name, data) 
    41177 File
    41178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41179 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41180 if v.display: 
    41181 File
    41182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41183 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41184 return self._any_displayed_positions and len(self._positions) > 0 
    41185 TypeError: object of type 'NoneType' has no len() 
    41186  
    41187 During handling of the above exception, another exception occurred: 
    41188  
    41189 Traceback (most recent call last): 
    41190 File
    41191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41192 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41193 if not self.draw_new_frame(): 
    41194 File
    41195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41196 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41197 changed = view.check_for_drawing_change() 
    41198 File
    41199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41200 packages/chimerax/core/graphics/view.py", line 252, in
    41201 check_for_drawing_change 
    41202 trig.activate_trigger('graphics update', self) 
    41203 File
    41204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41205 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41206 trigger.activate(data) 
    41207 File
    41208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41209 packages/chimerax/core/triggerset.py", line 190, in activate 
    41210 ret = handler.invoke(data, self._remove_bad_handlers) 
    41211 File
    41212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41213 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41214 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41215 File
    41216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41217 packages/chimerax/core/session.py", line 943, in <lambda> 
    41218 logger.report_exception(preface=preface)) 
    41219 File
    41220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41221 packages/chimerax/core/logger.py", line 421, in report_exception 
    41222 elif probably_chimera1_session(exc_info): 
    41223 File
    41224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41225 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41226 etype, evalue, etraceback = exc_info 
    41227 TypeError: cannot unpack non-iterable NoneType object 
    41228  
    41229 TypeError: cannot unpack non-iterable NoneType object 
    41230  
    41231 File
    41232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41233 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41234 etype, evalue, etraceback = exc_info 
    41235  
    41236 See log for complete Python traceback. 
    41237  
    41238 Traceback (most recent call last): 
    41239 File
    41240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41241 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41242 return self._func(self._name, data) 
    41243 File
    41244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41245 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41246 if v.display: 
    41247 File
    41248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41249 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41250 return self._any_displayed_positions and len(self._positions) > 0 
    41251 TypeError: object of type 'NoneType' has no len() 
    41252  
    41253 During handling of the above exception, another exception occurred: 
    41254  
    41255 Traceback (most recent call last): 
    41256 File
    41257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41258 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41259 if not self.draw_new_frame(): 
    41260 File
    41261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41262 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41263 changed = view.check_for_drawing_change() 
    41264 File
    41265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41266 packages/chimerax/core/graphics/view.py", line 252, in
    41267 check_for_drawing_change 
    41268 trig.activate_trigger('graphics update', self) 
    41269 File
    41270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41271 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41272 trigger.activate(data) 
    41273 File
    41274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41275 packages/chimerax/core/triggerset.py", line 190, in activate 
    41276 ret = handler.invoke(data, self._remove_bad_handlers) 
    41277 File
    41278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41279 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41280 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41281 File
    41282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41283 packages/chimerax/core/session.py", line 943, in <lambda> 
    41284 logger.report_exception(preface=preface)) 
    41285 File
    41286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41287 packages/chimerax/core/logger.py", line 421, in report_exception 
    41288 elif probably_chimera1_session(exc_info): 
    41289 File
    41290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41291 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41292 etype, evalue, etraceback = exc_info 
    41293 TypeError: cannot unpack non-iterable NoneType object 
    41294  
    41295 TypeError: cannot unpack non-iterable NoneType object 
    41296  
    41297 File
    41298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41299 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41300 etype, evalue, etraceback = exc_info 
    41301  
    41302 See log for complete Python traceback. 
    41303  
    41304 Traceback (most recent call last): 
    41305 File
    41306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41307 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41308 return self._func(self._name, data) 
    41309 File
    41310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41311 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41312 if v.display: 
    41313 File
    41314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41315 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41316 return self._any_displayed_positions and len(self._positions) > 0 
    41317 TypeError: object of type 'NoneType' has no len() 
    41318  
    41319 During handling of the above exception, another exception occurred: 
    41320  
    41321 Traceback (most recent call last): 
    41322 File
    41323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41324 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41325 if not self.draw_new_frame(): 
    41326 File
    41327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41328 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41329 changed = view.check_for_drawing_change() 
    41330 File
    41331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41332 packages/chimerax/core/graphics/view.py", line 252, in
    41333 check_for_drawing_change 
    41334 trig.activate_trigger('graphics update', self) 
    41335 File
    41336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41337 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41338 trigger.activate(data) 
    41339 File
    41340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41341 packages/chimerax/core/triggerset.py", line 190, in activate 
    41342 ret = handler.invoke(data, self._remove_bad_handlers) 
    41343 File
    41344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41345 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41346 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41347 File
    41348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41349 packages/chimerax/core/session.py", line 943, in <lambda> 
    41350 logger.report_exception(preface=preface)) 
    41351 File
    41352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41353 packages/chimerax/core/logger.py", line 421, in report_exception 
    41354 elif probably_chimera1_session(exc_info): 
    41355 File
    41356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41357 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41358 etype, evalue, etraceback = exc_info 
    41359 TypeError: cannot unpack non-iterable NoneType object 
    41360  
    41361 TypeError: cannot unpack non-iterable NoneType object 
    41362  
    41363 File
    41364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41365 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41366 etype, evalue, etraceback = exc_info 
    41367  
    41368 See log for complete Python traceback. 
    41369  
    41370 Traceback (most recent call last): 
    41371 File
    41372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41373 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41374 return self._func(self._name, data) 
    41375 File
    41376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41377 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41378 if v.display: 
    41379 File
    41380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41381 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41382 return self._any_displayed_positions and len(self._positions) > 0 
    41383 TypeError: object of type 'NoneType' has no len() 
    41384  
    41385 During handling of the above exception, another exception occurred: 
    41386  
    41387 Traceback (most recent call last): 
    41388 File
    41389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41390 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41391 if not self.draw_new_frame(): 
    41392 File
    41393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41394 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41395 changed = view.check_for_drawing_change() 
    41396 File
    41397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41398 packages/chimerax/core/graphics/view.py", line 252, in
    41399 check_for_drawing_change 
    41400 trig.activate_trigger('graphics update', self) 
    41401 File
    41402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41403 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41404 trigger.activate(data) 
    41405 File
    41406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41407 packages/chimerax/core/triggerset.py", line 190, in activate 
    41408 ret = handler.invoke(data, self._remove_bad_handlers) 
    41409 File
    41410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41411 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41412 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41413 File
    41414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41415 packages/chimerax/core/session.py", line 943, in <lambda> 
    41416 logger.report_exception(preface=preface)) 
    41417 File
    41418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41419 packages/chimerax/core/logger.py", line 421, in report_exception 
    41420 elif probably_chimera1_session(exc_info): 
    41421 File
    41422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41423 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41424 etype, evalue, etraceback = exc_info 
    41425 TypeError: cannot unpack non-iterable NoneType object 
    41426  
    41427 TypeError: cannot unpack non-iterable NoneType object 
    41428  
    41429 File
    41430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41431 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41432 etype, evalue, etraceback = exc_info 
    41433  
    41434 See log for complete Python traceback. 
    41435  
    41436 Traceback (most recent call last): 
    41437 File
    41438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41439 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41440 return self._func(self._name, data) 
    41441 File
    41442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41443 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41444 if v.display: 
    41445 File
    41446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41447 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41448 return self._any_displayed_positions and len(self._positions) > 0 
    41449 TypeError: object of type 'NoneType' has no len() 
    41450  
    41451 During handling of the above exception, another exception occurred: 
    41452  
    41453 Traceback (most recent call last): 
    41454 File
    41455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41456 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41457 if not self.draw_new_frame(): 
    41458 File
    41459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41460 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41461 changed = view.check_for_drawing_change() 
    41462 File
    41463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41464 packages/chimerax/core/graphics/view.py", line 252, in
    41465 check_for_drawing_change 
    41466 trig.activate_trigger('graphics update', self) 
    41467 File
    41468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41469 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41470 trigger.activate(data) 
    41471 File
    41472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41473 packages/chimerax/core/triggerset.py", line 190, in activate 
    41474 ret = handler.invoke(data, self._remove_bad_handlers) 
    41475 File
    41476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41477 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41478 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41479 File
    41480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41481 packages/chimerax/core/session.py", line 943, in <lambda> 
    41482 logger.report_exception(preface=preface)) 
    41483 File
    41484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41485 packages/chimerax/core/logger.py", line 421, in report_exception 
    41486 elif probably_chimera1_session(exc_info): 
    41487 File
    41488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41489 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41490 etype, evalue, etraceback = exc_info 
    41491 TypeError: cannot unpack non-iterable NoneType object 
    41492  
    41493 TypeError: cannot unpack non-iterable NoneType object 
    41494  
    41495 File
    41496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41497 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41498 etype, evalue, etraceback = exc_info 
    41499  
    41500 See log for complete Python traceback. 
    41501  
    41502 Traceback (most recent call last): 
    41503 File
    41504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41505 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41506 return self._func(self._name, data) 
    41507 File
    41508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41509 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41510 if v.display: 
    41511 File
    41512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41513 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41514 return self._any_displayed_positions and len(self._positions) > 0 
    41515 TypeError: object of type 'NoneType' has no len() 
    41516  
    41517 During handling of the above exception, another exception occurred: 
    41518  
    41519 Traceback (most recent call last): 
    41520 File
    41521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41522 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41523 if not self.draw_new_frame(): 
    41524 File
    41525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41526 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41527 changed = view.check_for_drawing_change() 
    41528 File
    41529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41530 packages/chimerax/core/graphics/view.py", line 252, in
    41531 check_for_drawing_change 
    41532 trig.activate_trigger('graphics update', self) 
    41533 File
    41534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41535 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41536 trigger.activate(data) 
    41537 File
    41538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41539 packages/chimerax/core/triggerset.py", line 190, in activate 
    41540 ret = handler.invoke(data, self._remove_bad_handlers) 
    41541 File
    41542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41543 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41544 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41545 File
    41546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41547 packages/chimerax/core/session.py", line 943, in <lambda> 
    41548 logger.report_exception(preface=preface)) 
    41549 File
    41550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41551 packages/chimerax/core/logger.py", line 421, in report_exception 
    41552 elif probably_chimera1_session(exc_info): 
    41553 File
    41554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41555 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41556 etype, evalue, etraceback = exc_info 
    41557 TypeError: cannot unpack non-iterable NoneType object 
    41558  
    41559 TypeError: cannot unpack non-iterable NoneType object 
    41560  
    41561 File
    41562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41563 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41564 etype, evalue, etraceback = exc_info 
    41565  
    41566 See log for complete Python traceback. 
    41567  
    41568 Traceback (most recent call last): 
    41569 File
    41570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41571 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41572 return self._func(self._name, data) 
    41573 File
    41574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41575 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41576 if v.display: 
    41577 File
    41578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41579 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41580 return self._any_displayed_positions and len(self._positions) > 0 
    41581 TypeError: object of type 'NoneType' has no len() 
    41582  
    41583 During handling of the above exception, another exception occurred: 
    41584  
    41585 Traceback (most recent call last): 
    41586 File
    41587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41588 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41589 if not self.draw_new_frame(): 
    41590 File
    41591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41592 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41593 changed = view.check_for_drawing_change() 
    41594 File
    41595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41596 packages/chimerax/core/graphics/view.py", line 252, in
    41597 check_for_drawing_change 
    41598 trig.activate_trigger('graphics update', self) 
    41599 File
    41600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41601 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41602 trigger.activate(data) 
    41603 File
    41604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41605 packages/chimerax/core/triggerset.py", line 190, in activate 
    41606 ret = handler.invoke(data, self._remove_bad_handlers) 
    41607 File
    41608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41609 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41610 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41611 File
    41612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41613 packages/chimerax/core/session.py", line 943, in <lambda> 
    41614 logger.report_exception(preface=preface)) 
    41615 File
    41616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41617 packages/chimerax/core/logger.py", line 421, in report_exception 
    41618 elif probably_chimera1_session(exc_info): 
    41619 File
    41620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41621 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41622 etype, evalue, etraceback = exc_info 
    41623 TypeError: cannot unpack non-iterable NoneType object 
    41624  
    41625 TypeError: cannot unpack non-iterable NoneType object 
    41626  
    41627 File
    41628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41629 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41630 etype, evalue, etraceback = exc_info 
    41631  
    41632 See log for complete Python traceback. 
    41633  
    41634 Traceback (most recent call last): 
    41635 File
    41636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41637 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41638 return self._func(self._name, data) 
    41639 File
    41640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41641 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41642 if v.display: 
    41643 File
    41644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41645 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41646 return self._any_displayed_positions and len(self._positions) > 0 
    41647 TypeError: object of type 'NoneType' has no len() 
    41648  
    41649 During handling of the above exception, another exception occurred: 
    41650  
    41651 Traceback (most recent call last): 
    41652 File
    41653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41654 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41655 if not self.draw_new_frame(): 
    41656 File
    41657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41658 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41659 changed = view.check_for_drawing_change() 
    41660 File
    41661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41662 packages/chimerax/core/graphics/view.py", line 252, in
    41663 check_for_drawing_change 
    41664 trig.activate_trigger('graphics update', self) 
    41665 File
    41666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41667 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41668 trigger.activate(data) 
    41669 File
    41670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41671 packages/chimerax/core/triggerset.py", line 190, in activate 
    41672 ret = handler.invoke(data, self._remove_bad_handlers) 
    41673 File
    41674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41675 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41676 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41677 File
    41678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41679 packages/chimerax/core/session.py", line 943, in <lambda> 
    41680 logger.report_exception(preface=preface)) 
    41681 File
    41682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41683 packages/chimerax/core/logger.py", line 421, in report_exception 
    41684 elif probably_chimera1_session(exc_info): 
    41685 File
    41686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41687 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41688 etype, evalue, etraceback = exc_info 
    41689 TypeError: cannot unpack non-iterable NoneType object 
    41690  
    41691 TypeError: cannot unpack non-iterable NoneType object 
    41692  
    41693 File
    41694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41695 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41696 etype, evalue, etraceback = exc_info 
    41697  
    41698 See log for complete Python traceback. 
    41699  
    41700 Traceback (most recent call last): 
    41701 File
    41702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41703 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41704 return self._func(self._name, data) 
    41705 File
    41706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41707 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41708 if v.display: 
    41709 File
    41710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41711 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41712 return self._any_displayed_positions and len(self._positions) > 0 
    41713 TypeError: object of type 'NoneType' has no len() 
    41714  
    41715 During handling of the above exception, another exception occurred: 
    41716  
    41717 Traceback (most recent call last): 
    41718 File
    41719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41720 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41721 if not self.draw_new_frame(): 
    41722 File
    41723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41724 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41725 changed = view.check_for_drawing_change() 
    41726 File
    41727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41728 packages/chimerax/core/graphics/view.py", line 252, in
    41729 check_for_drawing_change 
    41730 trig.activate_trigger('graphics update', self) 
    41731 File
    41732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41733 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41734 trigger.activate(data) 
    41735 File
    41736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41737 packages/chimerax/core/triggerset.py", line 190, in activate 
    41738 ret = handler.invoke(data, self._remove_bad_handlers) 
    41739 File
    41740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41741 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41742 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41743 File
    41744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41745 packages/chimerax/core/session.py", line 943, in <lambda> 
    41746 logger.report_exception(preface=preface)) 
    41747 File
    41748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41749 packages/chimerax/core/logger.py", line 421, in report_exception 
    41750 elif probably_chimera1_session(exc_info): 
    41751 File
    41752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41753 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41754 etype, evalue, etraceback = exc_info 
    41755 TypeError: cannot unpack non-iterable NoneType object 
    41756  
    41757 TypeError: cannot unpack non-iterable NoneType object 
    41758  
    41759 File
    41760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41761 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41762 etype, evalue, etraceback = exc_info 
    41763  
    41764 See log for complete Python traceback. 
    41765  
    41766 Traceback (most recent call last): 
    41767 File
    41768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41769 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41770 return self._func(self._name, data) 
    41771 File
    41772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41773 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41774 if v.display: 
    41775 File
    41776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41777 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41778 return self._any_displayed_positions and len(self._positions) > 0 
    41779 TypeError: object of type 'NoneType' has no len() 
    41780  
    41781 During handling of the above exception, another exception occurred: 
    41782  
    41783 Traceback (most recent call last): 
    41784 File
    41785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41786 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41787 if not self.draw_new_frame(): 
    41788 File
    41789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41790 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41791 changed = view.check_for_drawing_change() 
    41792 File
    41793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41794 packages/chimerax/core/graphics/view.py", line 252, in
    41795 check_for_drawing_change 
    41796 trig.activate_trigger('graphics update', self) 
    41797 File
    41798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41799 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41800 trigger.activate(data) 
    41801 File
    41802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41803 packages/chimerax/core/triggerset.py", line 190, in activate 
    41804 ret = handler.invoke(data, self._remove_bad_handlers) 
    41805 File
    41806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41807 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41808 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41809 File
    41810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41811 packages/chimerax/core/session.py", line 943, in <lambda> 
    41812 logger.report_exception(preface=preface)) 
    41813 File
    41814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41815 packages/chimerax/core/logger.py", line 421, in report_exception 
    41816 elif probably_chimera1_session(exc_info): 
    41817 File
    41818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41819 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41820 etype, evalue, etraceback = exc_info 
    41821 TypeError: cannot unpack non-iterable NoneType object 
    41822  
    41823 TypeError: cannot unpack non-iterable NoneType object 
    41824  
    41825 File
    41826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41827 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41828 etype, evalue, etraceback = exc_info 
    41829  
    41830 See log for complete Python traceback. 
    41831  
    41832 Traceback (most recent call last): 
    41833 File
    41834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41835 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41836 return self._func(self._name, data) 
    41837 File
    41838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41839 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41840 if v.display: 
    41841 File
    41842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41843 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41844 return self._any_displayed_positions and len(self._positions) > 0 
    41845 TypeError: object of type 'NoneType' has no len() 
    41846  
    41847 During handling of the above exception, another exception occurred: 
    41848  
    41849 Traceback (most recent call last): 
    41850 File
    41851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41852 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41853 if not self.draw_new_frame(): 
    41854 File
    41855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41856 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41857 changed = view.check_for_drawing_change() 
    41858 File
    41859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41860 packages/chimerax/core/graphics/view.py", line 252, in
    41861 check_for_drawing_change 
    41862 trig.activate_trigger('graphics update', self) 
    41863 File
    41864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41865 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41866 trigger.activate(data) 
    41867 File
    41868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41869 packages/chimerax/core/triggerset.py", line 190, in activate 
    41870 ret = handler.invoke(data, self._remove_bad_handlers) 
    41871 File
    41872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41873 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41874 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41875 File
    41876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41877 packages/chimerax/core/session.py", line 943, in <lambda> 
    41878 logger.report_exception(preface=preface)) 
    41879 File
    41880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41881 packages/chimerax/core/logger.py", line 421, in report_exception 
    41882 elif probably_chimera1_session(exc_info): 
    41883 File
    41884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41885 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41886 etype, evalue, etraceback = exc_info 
    41887 TypeError: cannot unpack non-iterable NoneType object 
    41888  
    41889 TypeError: cannot unpack non-iterable NoneType object 
    41890  
    41891 File
    41892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41893 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41894 etype, evalue, etraceback = exc_info 
    41895  
    41896 See log for complete Python traceback. 
    41897  
    41898 Traceback (most recent call last): 
    41899 File
    41900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41901 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41902 return self._func(self._name, data) 
    41903 File
    41904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41905 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41906 if v.display: 
    41907 File
    41908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41909 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41910 return self._any_displayed_positions and len(self._positions) > 0 
    41911 TypeError: object of type 'NoneType' has no len() 
    41912  
    41913 During handling of the above exception, another exception occurred: 
    41914  
    41915 Traceback (most recent call last): 
    41916 File
    41917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41918 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41919 if not self.draw_new_frame(): 
    41920 File
    41921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41922 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41923 changed = view.check_for_drawing_change() 
    41924 File
    41925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41926 packages/chimerax/core/graphics/view.py", line 252, in
    41927 check_for_drawing_change 
    41928 trig.activate_trigger('graphics update', self) 
    41929 File
    41930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41931 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41932 trigger.activate(data) 
    41933 File
    41934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41935 packages/chimerax/core/triggerset.py", line 190, in activate 
    41936 ret = handler.invoke(data, self._remove_bad_handlers) 
    41937 File
    41938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41939 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41940 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41941 File
    41942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41943 packages/chimerax/core/session.py", line 943, in <lambda> 
    41944 logger.report_exception(preface=preface)) 
    41945 File
    41946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41947 packages/chimerax/core/logger.py", line 421, in report_exception 
    41948 elif probably_chimera1_session(exc_info): 
    41949 File
    41950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41951 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41952 etype, evalue, etraceback = exc_info 
    41953 TypeError: cannot unpack non-iterable NoneType object 
    41954  
    41955 TypeError: cannot unpack non-iterable NoneType object 
    41956  
    41957 File
    41958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41959 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41960 etype, evalue, etraceback = exc_info 
    41961  
    41962 See log for complete Python traceback. 
    41963  
    41964 Traceback (most recent call last): 
    41965 File
    41966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41967 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41968 return self._func(self._name, data) 
    41969 File
    41970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41971 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41972 if v.display: 
    41973 File
    41974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41975 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41976 return self._any_displayed_positions and len(self._positions) > 0 
    41977 TypeError: object of type 'NoneType' has no len() 
    41978  
    41979 During handling of the above exception, another exception occurred: 
    41980  
    41981 Traceback (most recent call last): 
    41982 File
    41983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41984 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41985 if not self.draw_new_frame(): 
    41986 File
    41987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41988 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41989 changed = view.check_for_drawing_change() 
    41990 File
    41991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41992 packages/chimerax/core/graphics/view.py", line 252, in
    41993 check_for_drawing_change 
    41994 trig.activate_trigger('graphics update', self) 
    41995 File
    41996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41997 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41998 trigger.activate(data) 
    41999 File
    42000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42001 packages/chimerax/core/triggerset.py", line 190, in activate 
    42002 ret = handler.invoke(data, self._remove_bad_handlers) 
    42003 File
    42004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42005 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42006 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42007 File
    42008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42009 packages/chimerax/core/session.py", line 943, in <lambda> 
    42010 logger.report_exception(preface=preface)) 
    42011 File
    42012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42013 packages/chimerax/core/logger.py", line 421, in report_exception 
    42014 elif probably_chimera1_session(exc_info): 
    42015 File
    42016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42017 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42018 etype, evalue, etraceback = exc_info 
    42019 TypeError: cannot unpack non-iterable NoneType object 
    42020  
    42021 TypeError: cannot unpack non-iterable NoneType object 
    42022  
    42023 File
    42024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42025 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42026 etype, evalue, etraceback = exc_info 
    42027  
    42028 See log for complete Python traceback. 
    42029  
    42030 Traceback (most recent call last): 
    42031 File
    42032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42033 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42034 return self._func(self._name, data) 
    42035 File
    42036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42037 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42038 if v.display: 
    42039 File
    42040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42041 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42042 return self._any_displayed_positions and len(self._positions) > 0 
    42043 TypeError: object of type 'NoneType' has no len() 
    42044  
    42045 During handling of the above exception, another exception occurred: 
    42046  
    42047 Traceback (most recent call last): 
    42048 File
    42049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42050 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42051 if not self.draw_new_frame(): 
    42052 File
    42053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42054 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42055 changed = view.check_for_drawing_change() 
    42056 File
    42057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42058 packages/chimerax/core/graphics/view.py", line 252, in
    42059 check_for_drawing_change 
    42060 trig.activate_trigger('graphics update', self) 
    42061 File
    42062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42063 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42064 trigger.activate(data) 
    42065 File
    42066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42067 packages/chimerax/core/triggerset.py", line 190, in activate 
    42068 ret = handler.invoke(data, self._remove_bad_handlers) 
    42069 File
    42070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42071 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42072 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42073 File
    42074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42075 packages/chimerax/core/session.py", line 943, in <lambda> 
    42076 logger.report_exception(preface=preface)) 
    42077 File
    42078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42079 packages/chimerax/core/logger.py", line 421, in report_exception 
    42080 elif probably_chimera1_session(exc_info): 
    42081 File
    42082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42083 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42084 etype, evalue, etraceback = exc_info 
    42085 TypeError: cannot unpack non-iterable NoneType object 
    42086  
    42087 TypeError: cannot unpack non-iterable NoneType object 
    42088  
    42089 File
    42090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42091 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42092 etype, evalue, etraceback = exc_info 
    42093  
    42094 See log for complete Python traceback. 
    42095  
    42096 Traceback (most recent call last): 
    42097 File
    42098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42099 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42100 return self._func(self._name, data) 
    42101 File
    42102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42103 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42104 if v.display: 
    42105 File
    42106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42107 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42108 return self._any_displayed_positions and len(self._positions) > 0 
    42109 TypeError: object of type 'NoneType' has no len() 
    42110  
    42111 During handling of the above exception, another exception occurred: 
    42112  
    42113 Traceback (most recent call last): 
    42114 File
    42115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42116 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42117 if not self.draw_new_frame(): 
    42118 File
    42119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42120 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42121 changed = view.check_for_drawing_change() 
    42122 File
    42123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42124 packages/chimerax/core/graphics/view.py", line 252, in
    42125 check_for_drawing_change 
    42126 trig.activate_trigger('graphics update', self) 
    42127 File
    42128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42129 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42130 trigger.activate(data) 
    42131 File
    42132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42133 packages/chimerax/core/triggerset.py", line 190, in activate 
    42134 ret = handler.invoke(data, self._remove_bad_handlers) 
    42135 File
    42136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42137 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42138 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42139 File
    42140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42141 packages/chimerax/core/session.py", line 943, in <lambda> 
    42142 logger.report_exception(preface=preface)) 
    42143 File
    42144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42145 packages/chimerax/core/logger.py", line 421, in report_exception 
    42146 elif probably_chimera1_session(exc_info): 
    42147 File
    42148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42149 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42150 etype, evalue, etraceback = exc_info 
    42151 TypeError: cannot unpack non-iterable NoneType object 
    42152  
    42153 TypeError: cannot unpack non-iterable NoneType object 
    42154  
    42155 File
    42156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42157 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42158 etype, evalue, etraceback = exc_info 
    42159  
    42160 See log for complete Python traceback. 
    42161  
    42162 Traceback (most recent call last): 
    42163 File
    42164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42165 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42166 return self._func(self._name, data) 
    42167 File
    42168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42169 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42170 if v.display: 
    42171 File
    42172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42173 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42174 return self._any_displayed_positions and len(self._positions) > 0 
    42175 TypeError: object of type 'NoneType' has no len() 
    42176  
    42177 During handling of the above exception, another exception occurred: 
    42178  
    42179 Traceback (most recent call last): 
    42180 File
    42181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42182 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42183 if not self.draw_new_frame(): 
    42184 File
    42185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42186 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42187 changed = view.check_for_drawing_change() 
    42188 File
    42189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42190 packages/chimerax/core/graphics/view.py", line 252, in
    42191 check_for_drawing_change 
    42192 trig.activate_trigger('graphics update', self) 
    42193 File
    42194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42195 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42196 trigger.activate(data) 
    42197 File
    42198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42199 packages/chimerax/core/triggerset.py", line 190, in activate 
    42200 ret = handler.invoke(data, self._remove_bad_handlers) 
    42201 File
    42202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42203 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42204 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42205 File
    42206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42207 packages/chimerax/core/session.py", line 943, in <lambda> 
    42208 logger.report_exception(preface=preface)) 
    42209 File
    42210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42211 packages/chimerax/core/logger.py", line 421, in report_exception 
    42212 elif probably_chimera1_session(exc_info): 
    42213 File
    42214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42215 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42216 etype, evalue, etraceback = exc_info 
    42217 TypeError: cannot unpack non-iterable NoneType object 
    42218  
    42219 TypeError: cannot unpack non-iterable NoneType object 
    42220  
    42221 File
    42222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42223 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42224 etype, evalue, etraceback = exc_info 
    42225  
    42226 See log for complete Python traceback. 
    42227  
    42228 Traceback (most recent call last): 
    42229 File
    42230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42231 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42232 return self._func(self._name, data) 
    42233 File
    42234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42235 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42236 if v.display: 
    42237 File
    42238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42239 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42240 return self._any_displayed_positions and len(self._positions) > 0 
    42241 TypeError: object of type 'NoneType' has no len() 
    42242  
    42243 During handling of the above exception, another exception occurred: 
    42244  
    42245 Traceback (most recent call last): 
    42246 File
    42247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42248 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42249 if not self.draw_new_frame(): 
    42250 File
    42251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42252 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42253 changed = view.check_for_drawing_change() 
    42254 File
    42255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42256 packages/chimerax/core/graphics/view.py", line 252, in
    42257 check_for_drawing_change 
    42258 trig.activate_trigger('graphics update', self) 
    42259 File
    42260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42261 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42262 trigger.activate(data) 
    42263 File
    42264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42265 packages/chimerax/core/triggerset.py", line 190, in activate 
    42266 ret = handler.invoke(data, self._remove_bad_handlers) 
    42267 File
    42268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42269 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42270 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42271 File
    42272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42273 packages/chimerax/core/session.py", line 943, in <lambda> 
    42274 logger.report_exception(preface=preface)) 
    42275 File
    42276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42277 packages/chimerax/core/logger.py", line 421, in report_exception 
    42278 elif probably_chimera1_session(exc_info): 
    42279 File
    42280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42281 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42282 etype, evalue, etraceback = exc_info 
    42283 TypeError: cannot unpack non-iterable NoneType object 
    42284  
    42285 TypeError: cannot unpack non-iterable NoneType object 
    42286  
    42287 File
    42288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42289 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42290 etype, evalue, etraceback = exc_info 
    42291  
    42292 See log for complete Python traceback. 
    42293  
    42294 Traceback (most recent call last): 
    42295 File
    42296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42297 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42298 return self._func(self._name, data) 
    42299 File
    42300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42301 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42302 if v.display: 
    42303 File
    42304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42305 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42306 return self._any_displayed_positions and len(self._positions) > 0 
    42307 TypeError: object of type 'NoneType' has no len() 
    42308  
    42309 During handling of the above exception, another exception occurred: 
    42310  
    42311 Traceback (most recent call last): 
    42312 File
    42313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42314 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42315 if not self.draw_new_frame(): 
    42316 File
    42317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42318 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42319 changed = view.check_for_drawing_change() 
    42320 File
    42321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42322 packages/chimerax/core/graphics/view.py", line 252, in
    42323 check_for_drawing_change 
    42324 trig.activate_trigger('graphics update', self) 
    42325 File
    42326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42327 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42328 trigger.activate(data) 
    42329 File
    42330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42331 packages/chimerax/core/triggerset.py", line 190, in activate 
    42332 ret = handler.invoke(data, self._remove_bad_handlers) 
    42333 File
    42334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42335 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42336 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42337 File
    42338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42339 packages/chimerax/core/session.py", line 943, in <lambda> 
    42340 logger.report_exception(preface=preface)) 
    42341 File
    42342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42343 packages/chimerax/core/logger.py", line 421, in report_exception 
    42344 elif probably_chimera1_session(exc_info): 
    42345 File
    42346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42347 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42348 etype, evalue, etraceback = exc_info 
    42349 TypeError: cannot unpack non-iterable NoneType object 
    42350  
    42351 TypeError: cannot unpack non-iterable NoneType object 
    42352  
    42353 File
    42354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42355 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42356 etype, evalue, etraceback = exc_info 
    42357  
    42358 See log for complete Python traceback. 
    42359  
    42360 Traceback (most recent call last): 
    42361 File
    42362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42363 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42364 return self._func(self._name, data) 
    42365 File
    42366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42367 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42368 if v.display: 
    42369 File
    42370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42371 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42372 return self._any_displayed_positions and len(self._positions) > 0 
    42373 TypeError: object of type 'NoneType' has no len() 
    42374  
    42375 During handling of the above exception, another exception occurred: 
    42376  
    42377 Traceback (most recent call last): 
    42378 File
    42379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42380 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42381 if not self.draw_new_frame(): 
    42382 File
    42383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42384 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42385 changed = view.check_for_drawing_change() 
    42386 File
    42387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42388 packages/chimerax/core/graphics/view.py", line 252, in
    42389 check_for_drawing_change 
    42390 trig.activate_trigger('graphics update', self) 
    42391 File
    42392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42393 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42394 trigger.activate(data) 
    42395 File
    42396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42397 packages/chimerax/core/triggerset.py", line 190, in activate 
    42398 ret = handler.invoke(data, self._remove_bad_handlers) 
    42399 File
    42400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42401 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42402 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42403 File
    42404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42405 packages/chimerax/core/session.py", line 943, in <lambda> 
    42406 logger.report_exception(preface=preface)) 
    42407 File
    42408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42409 packages/chimerax/core/logger.py", line 421, in report_exception 
    42410 elif probably_chimera1_session(exc_info): 
    42411 File
    42412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42413 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42414 etype, evalue, etraceback = exc_info 
    42415 TypeError: cannot unpack non-iterable NoneType object 
    42416  
    42417 TypeError: cannot unpack non-iterable NoneType object 
    42418  
    42419 File
    42420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42421 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42422 etype, evalue, etraceback = exc_info 
    42423  
    42424 See log for complete Python traceback. 
    42425  
    42426 Traceback (most recent call last): 
    42427 File
    42428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42429 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42430 return self._func(self._name, data) 
    42431 File
    42432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42433 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42434 if v.display: 
    42435 File
    42436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42437 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42438 return self._any_displayed_positions and len(self._positions) > 0 
    42439 TypeError: object of type 'NoneType' has no len() 
    42440  
    42441 During handling of the above exception, another exception occurred: 
    42442  
    42443 Traceback (most recent call last): 
    42444 File
    42445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42446 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42447 if not self.draw_new_frame(): 
    42448 File
    42449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42450 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42451 changed = view.check_for_drawing_change() 
    42452 File
    42453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42454 packages/chimerax/core/graphics/view.py", line 252, in
    42455 check_for_drawing_change 
    42456 trig.activate_trigger('graphics update', self) 
    42457 File
    42458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42459 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42460 trigger.activate(data) 
    42461 File
    42462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42463 packages/chimerax/core/triggerset.py", line 190, in activate 
    42464 ret = handler.invoke(data, self._remove_bad_handlers) 
    42465 File
    42466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42467 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42468 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42469 File
    42470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42471 packages/chimerax/core/session.py", line 943, in <lambda> 
    42472 logger.report_exception(preface=preface)) 
    42473 File
    42474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42475 packages/chimerax/core/logger.py", line 421, in report_exception 
    42476 elif probably_chimera1_session(exc_info): 
    42477 File
    42478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42479 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42480 etype, evalue, etraceback = exc_info 
    42481 TypeError: cannot unpack non-iterable NoneType object 
    42482  
    42483 TypeError: cannot unpack non-iterable NoneType object 
    42484  
    42485 File
    42486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42487 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42488 etype, evalue, etraceback = exc_info 
    42489  
    42490 See log for complete Python traceback. 
    42491  
    42492 Traceback (most recent call last): 
    42493 File
    42494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42495 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42496 return self._func(self._name, data) 
    42497 File
    42498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42499 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42500 if v.display: 
    42501 File
    42502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42503 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42504 return self._any_displayed_positions and len(self._positions) > 0 
    42505 TypeError: object of type 'NoneType' has no len() 
    42506  
    42507 During handling of the above exception, another exception occurred: 
    42508  
    42509 Traceback (most recent call last): 
    42510 File
    42511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42512 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42513 if not self.draw_new_frame(): 
    42514 File
    42515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42516 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42517 changed = view.check_for_drawing_change() 
    42518 File
    42519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42520 packages/chimerax/core/graphics/view.py", line 252, in
    42521 check_for_drawing_change 
    42522 trig.activate_trigger('graphics update', self) 
    42523 File
    42524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42525 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42526 trigger.activate(data) 
    42527 File
    42528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42529 packages/chimerax/core/triggerset.py", line 190, in activate 
    42530 ret = handler.invoke(data, self._remove_bad_handlers) 
    42531 File
    42532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42533 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42534 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42535 File
    42536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42537 packages/chimerax/core/session.py", line 943, in <lambda> 
    42538 logger.report_exception(preface=preface)) 
    42539 File
    42540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42541 packages/chimerax/core/logger.py", line 421, in report_exception 
    42542 elif probably_chimera1_session(exc_info): 
    42543 File
    42544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42545 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42546 etype, evalue, etraceback = exc_info 
    42547 TypeError: cannot unpack non-iterable NoneType object 
    42548  
    42549 TypeError: cannot unpack non-iterable NoneType object 
    42550  
    42551 File
    42552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42553 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42554 etype, evalue, etraceback = exc_info 
    42555  
    42556 See log for complete Python traceback. 
    42557  
    42558 Traceback (most recent call last): 
    42559 File
    42560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42561 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42562 return self._func(self._name, data) 
    42563 File
    42564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42565 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42566 if v.display: 
    42567 File
    42568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42569 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42570 return self._any_displayed_positions and len(self._positions) > 0 
    42571 TypeError: object of type 'NoneType' has no len() 
    42572  
    42573 During handling of the above exception, another exception occurred: 
    42574  
    42575 Traceback (most recent call last): 
    42576 File
    42577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42578 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42579 if not self.draw_new_frame(): 
    42580 File
    42581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42582 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42583 changed = view.check_for_drawing_change() 
    42584 File
    42585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42586 packages/chimerax/core/graphics/view.py", line 252, in
    42587 check_for_drawing_change 
    42588 trig.activate_trigger('graphics update', self) 
    42589 File
    42590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42591 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42592 trigger.activate(data) 
    42593 File
    42594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42595 packages/chimerax/core/triggerset.py", line 190, in activate 
    42596 ret = handler.invoke(data, self._remove_bad_handlers) 
    42597 File
    42598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42599 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42600 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42601 File
    42602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42603 packages/chimerax/core/session.py", line 943, in <lambda> 
    42604 logger.report_exception(preface=preface)) 
    42605 File
    42606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42607 packages/chimerax/core/logger.py", line 421, in report_exception 
    42608 elif probably_chimera1_session(exc_info): 
    42609 File
    42610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42611 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42612 etype, evalue, etraceback = exc_info 
    42613 TypeError: cannot unpack non-iterable NoneType object 
    42614  
    42615 TypeError: cannot unpack non-iterable NoneType object 
    42616  
    42617 File
    42618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42619 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42620 etype, evalue, etraceback = exc_info 
    42621  
    42622 See log for complete Python traceback. 
    42623  
    42624 Traceback (most recent call last): 
    42625 File
    42626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42627 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42628 return self._func(self._name, data) 
    42629 File
    42630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42631 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42632 if v.display: 
    42633 File
    42634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42635 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42636 return self._any_displayed_positions and len(self._positions) > 0 
    42637 TypeError: object of type 'NoneType' has no len() 
    42638  
    42639 During handling of the above exception, another exception occurred: 
    42640  
    42641 Traceback (most recent call last): 
    42642 File
    42643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42644 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42645 if not self.draw_new_frame(): 
    42646 File
    42647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42648 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42649 changed = view.check_for_drawing_change() 
    42650 File
    42651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42652 packages/chimerax/core/graphics/view.py", line 252, in
    42653 check_for_drawing_change 
    42654 trig.activate_trigger('graphics update', self) 
    42655 File
    42656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42657 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42658 trigger.activate(data) 
    42659 File
    42660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42661 packages/chimerax/core/triggerset.py", line 190, in activate 
    42662 ret = handler.invoke(data, self._remove_bad_handlers) 
    42663 File
    42664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42665 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42666 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42667 File
    42668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42669 packages/chimerax/core/session.py", line 943, in <lambda> 
    42670 logger.report_exception(preface=preface)) 
    42671 File
    42672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42673 packages/chimerax/core/logger.py", line 421, in report_exception 
    42674 elif probably_chimera1_session(exc_info): 
    42675 File
    42676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42677 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42678 etype, evalue, etraceback = exc_info 
    42679 TypeError: cannot unpack non-iterable NoneType object 
    42680  
    42681 TypeError: cannot unpack non-iterable NoneType object 
    42682  
    42683 File
    42684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42685 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42686 etype, evalue, etraceback = exc_info 
    42687  
    42688 See log for complete Python traceback. 
    42689  
    42690 Traceback (most recent call last): 
    42691 File
    42692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42693 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42694 return self._func(self._name, data) 
    42695 File
    42696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42697 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42698 if v.display: 
    42699 File
    42700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42701 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42702 return self._any_displayed_positions and len(self._positions) > 0 
    42703 TypeError: object of type 'NoneType' has no len() 
    42704  
    42705 During handling of the above exception, another exception occurred: 
    42706  
    42707 Traceback (most recent call last): 
    42708 File
    42709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42710 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42711 if not self.draw_new_frame(): 
    42712 File
    42713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42714 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42715 changed = view.check_for_drawing_change() 
    42716 File
    42717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42718 packages/chimerax/core/graphics/view.py", line 252, in
    42719 check_for_drawing_change 
    42720 trig.activate_trigger('graphics update', self) 
    42721 File
    42722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42723 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42724 trigger.activate(data) 
    42725 File
    42726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42727 packages/chimerax/core/triggerset.py", line 190, in activate 
    42728 ret = handler.invoke(data, self._remove_bad_handlers) 
    42729 File
    42730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42731 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42732 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42733 File
    42734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42735 packages/chimerax/core/session.py", line 943, in <lambda> 
    42736 logger.report_exception(preface=preface)) 
    42737 File
    42738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42739 packages/chimerax/core/logger.py", line 421, in report_exception 
    42740 elif probably_chimera1_session(exc_info): 
    42741 File
    42742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42743 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42744 etype, evalue, etraceback = exc_info 
    42745 TypeError: cannot unpack non-iterable NoneType object 
    42746  
    42747 TypeError: cannot unpack non-iterable NoneType object 
    42748  
    42749 File
    42750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42751 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42752 etype, evalue, etraceback = exc_info 
    42753  
    42754 See log for complete Python traceback. 
    42755  
    42756 Traceback (most recent call last): 
    42757 File
    42758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42759 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42760 return self._func(self._name, data) 
    42761 File
    42762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42763 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42764 if v.display: 
    42765 File
    42766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42767 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42768 return self._any_displayed_positions and len(self._positions) > 0 
    42769 TypeError: object of type 'NoneType' has no len() 
    42770  
    42771 During handling of the above exception, another exception occurred: 
    42772  
    42773 Traceback (most recent call last): 
    42774 File
    42775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42776 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42777 if not self.draw_new_frame(): 
    42778 File
    42779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42780 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42781 changed = view.check_for_drawing_change() 
    42782 File
    42783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42784 packages/chimerax/core/graphics/view.py", line 252, in
    42785 check_for_drawing_change 
    42786 trig.activate_trigger('graphics update', self) 
    42787 File
    42788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42789 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42790 trigger.activate(data) 
    42791 File
    42792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42793 packages/chimerax/core/triggerset.py", line 190, in activate 
    42794 ret = handler.invoke(data, self._remove_bad_handlers) 
    42795 File
    42796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42797 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42798 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42799 File
    42800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42801 packages/chimerax/core/session.py", line 943, in <lambda> 
    42802 logger.report_exception(preface=preface)) 
    42803 File
    42804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42805 packages/chimerax/core/logger.py", line 421, in report_exception 
    42806 elif probably_chimera1_session(exc_info): 
    42807 File
    42808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42809 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42810 etype, evalue, etraceback = exc_info 
    42811 TypeError: cannot unpack non-iterable NoneType object 
    42812  
    42813 TypeError: cannot unpack non-iterable NoneType object 
    42814  
    42815 File
    42816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42817 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42818 etype, evalue, etraceback = exc_info 
    42819  
    42820 See log for complete Python traceback. 
    42821  
    42822 Traceback (most recent call last): 
    42823 File
    42824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42825 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42826 return self._func(self._name, data) 
    42827 File
    42828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42829 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42830 if v.display: 
    42831 File
    42832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42833 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42834 return self._any_displayed_positions and len(self._positions) > 0 
    42835 TypeError: object of type 'NoneType' has no len() 
    42836  
    42837 During handling of the above exception, another exception occurred: 
    42838  
    42839 Traceback (most recent call last): 
    42840 File
    42841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42842 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42843 if not self.draw_new_frame(): 
    42844 File
    42845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42846 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42847 changed = view.check_for_drawing_change() 
    42848 File
    42849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42850 packages/chimerax/core/graphics/view.py", line 252, in
    42851 check_for_drawing_change 
    42852 trig.activate_trigger('graphics update', self) 
    42853 File
    42854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42855 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42856 trigger.activate(data) 
    42857 File
    42858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42859 packages/chimerax/core/triggerset.py", line 190, in activate 
    42860 ret = handler.invoke(data, self._remove_bad_handlers) 
    42861 File
    42862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42863 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42864 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42865 File
    42866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42867 packages/chimerax/core/session.py", line 943, in <lambda> 
    42868 logger.report_exception(preface=preface)) 
    42869 File
    42870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42871 packages/chimerax/core/logger.py", line 421, in report_exception 
    42872 elif probably_chimera1_session(exc_info): 
    42873 File
    42874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42875 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42876 etype, evalue, etraceback = exc_info 
    42877 TypeError: cannot unpack non-iterable NoneType object 
    42878  
    42879 TypeError: cannot unpack non-iterable NoneType object 
    42880  
    42881 File
    42882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42883 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42884 etype, evalue, etraceback = exc_info 
    42885  
    42886 See log for complete Python traceback. 
    42887  
    42888 Traceback (most recent call last): 
    42889 File
    42890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42891 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42892 return self._func(self._name, data) 
    42893 File
    42894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42895 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42896 if v.display: 
    42897 File
    42898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42899 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42900 return self._any_displayed_positions and len(self._positions) > 0 
    42901 TypeError: object of type 'NoneType' has no len() 
    42902  
    42903 During handling of the above exception, another exception occurred: 
    42904  
    42905 Traceback (most recent call last): 
    42906 File
    42907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42908 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42909 if not self.draw_new_frame(): 
    42910 File
    42911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42912 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42913 changed = view.check_for_drawing_change() 
    42914 File
    42915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42916 packages/chimerax/core/graphics/view.py", line 252, in
    42917 check_for_drawing_change 
    42918 trig.activate_trigger('graphics update', self) 
    42919 File
    42920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42921 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42922 trigger.activate(data) 
    42923 File
    42924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42925 packages/chimerax/core/triggerset.py", line 190, in activate 
    42926 ret = handler.invoke(data, self._remove_bad_handlers) 
    42927 File
    42928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42929 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42930 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42931 File
    42932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42933 packages/chimerax/core/session.py", line 943, in <lambda> 
    42934 logger.report_exception(preface=preface)) 
    42935 File
    42936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42937 packages/chimerax/core/logger.py", line 421, in report_exception 
    42938 elif probably_chimera1_session(exc_info): 
    42939 File
    42940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42941 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42942 etype, evalue, etraceback = exc_info 
    42943 TypeError: cannot unpack non-iterable NoneType object 
    42944  
    42945 TypeError: cannot unpack non-iterable NoneType object 
    42946  
    42947 File
    42948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42949 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42950 etype, evalue, etraceback = exc_info 
    42951  
    42952 See log for complete Python traceback. 
    42953  
    42954 Traceback (most recent call last): 
    42955 File
    42956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42957 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42958 return self._func(self._name, data) 
    42959 File
    42960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42961 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42962 if v.display: 
    42963 File
    42964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42965 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42966 return self._any_displayed_positions and len(self._positions) > 0 
    42967 TypeError: object of type 'NoneType' has no len() 
    42968  
    42969 During handling of the above exception, another exception occurred: 
    42970  
    42971 Traceback (most recent call last): 
    42972 File
    42973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42974 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42975 if not self.draw_new_frame(): 
    42976 File
    42977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42978 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42979 changed = view.check_for_drawing_change() 
    42980 File
    42981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42982 packages/chimerax/core/graphics/view.py", line 252, in
    42983 check_for_drawing_change 
    42984 trig.activate_trigger('graphics update', self) 
    42985 File
    42986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42987 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42988 trigger.activate(data) 
    42989 File
    42990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42991 packages/chimerax/core/triggerset.py", line 190, in activate 
    42992 ret = handler.invoke(data, self._remove_bad_handlers) 
    42993 File
    42994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42995 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42996 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42997 File
    42998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42999 packages/chimerax/core/session.py", line 943, in <lambda> 
    43000 logger.report_exception(preface=preface)) 
    43001 File
    43002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43003 packages/chimerax/core/logger.py", line 421, in report_exception 
    43004 elif probably_chimera1_session(exc_info): 
    43005 File
    43006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43007 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43008 etype, evalue, etraceback = exc_info 
    43009 TypeError: cannot unpack non-iterable NoneType object 
    43010  
    43011 TypeError: cannot unpack non-iterable NoneType object 
    43012  
    43013 File
    43014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43015 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43016 etype, evalue, etraceback = exc_info 
    43017  
    43018 See log for complete Python traceback. 
    43019  
    43020 Traceback (most recent call last): 
    43021 File
    43022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43023 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43024 return self._func(self._name, data) 
    43025 File
    43026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43027 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43028 if v.display: 
    43029 File
    43030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43031 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43032 return self._any_displayed_positions and len(self._positions) > 0 
    43033 TypeError: object of type 'NoneType' has no len() 
    43034  
    43035 During handling of the above exception, another exception occurred: 
    43036  
    43037 Traceback (most recent call last): 
    43038 File
    43039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43040 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43041 if not self.draw_new_frame(): 
    43042 File
    43043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43044 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43045 changed = view.check_for_drawing_change() 
    43046 File
    43047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43048 packages/chimerax/core/graphics/view.py", line 252, in
    43049 check_for_drawing_change 
    43050 trig.activate_trigger('graphics update', self) 
    43051 File
    43052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43053 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43054 trigger.activate(data) 
    43055 File
    43056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43057 packages/chimerax/core/triggerset.py", line 190, in activate 
    43058 ret = handler.invoke(data, self._remove_bad_handlers) 
    43059 File
    43060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43061 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43062 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43063 File
    43064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43065 packages/chimerax/core/session.py", line 943, in <lambda> 
    43066 logger.report_exception(preface=preface)) 
    43067 File
    43068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43069 packages/chimerax/core/logger.py", line 421, in report_exception 
    43070 elif probably_chimera1_session(exc_info): 
    43071 File
    43072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43073 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43074 etype, evalue, etraceback = exc_info 
    43075 TypeError: cannot unpack non-iterable NoneType object 
    43076  
    43077 TypeError: cannot unpack non-iterable NoneType object 
    43078  
    43079 File
    43080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43081 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43082 etype, evalue, etraceback = exc_info 
    43083  
    43084 See log for complete Python traceback. 
    43085  
    43086 Traceback (most recent call last): 
    43087 File
    43088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43089 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43090 return self._func(self._name, data) 
    43091 File
    43092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43093 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43094 if v.display: 
    43095 File
    43096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43097 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43098 return self._any_displayed_positions and len(self._positions) > 0 
    43099 TypeError: object of type 'NoneType' has no len() 
    43100  
    43101 During handling of the above exception, another exception occurred: 
    43102  
    43103 Traceback (most recent call last): 
    43104 File
    43105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43106 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43107 if not self.draw_new_frame(): 
    43108 File
    43109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43110 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43111 changed = view.check_for_drawing_change() 
    43112 File
    43113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43114 packages/chimerax/core/graphics/view.py", line 252, in
    43115 check_for_drawing_change 
    43116 trig.activate_trigger('graphics update', self) 
    43117 File
    43118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43119 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43120 trigger.activate(data) 
    43121 File
    43122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43123 packages/chimerax/core/triggerset.py", line 190, in activate 
    43124 ret = handler.invoke(data, self._remove_bad_handlers) 
    43125 File
    43126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43127 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43128 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43129 File
    43130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43131 packages/chimerax/core/session.py", line 943, in <lambda> 
    43132 logger.report_exception(preface=preface)) 
    43133 File
    43134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43135 packages/chimerax/core/logger.py", line 421, in report_exception 
    43136 elif probably_chimera1_session(exc_info): 
    43137 File
    43138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43139 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43140 etype, evalue, etraceback = exc_info 
    43141 TypeError: cannot unpack non-iterable NoneType object 
    43142  
    43143 TypeError: cannot unpack non-iterable NoneType object 
    43144  
    43145 File
    43146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43147 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43148 etype, evalue, etraceback = exc_info 
    43149  
    43150 See log for complete Python traceback. 
    43151  
    43152 Traceback (most recent call last): 
    43153 File
    43154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43155 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43156 return self._func(self._name, data) 
    43157 File
    43158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43159 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43160 if v.display: 
    43161 File
    43162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43163 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43164 return self._any_displayed_positions and len(self._positions) > 0 
    43165 TypeError: object of type 'NoneType' has no len() 
    43166  
    43167 During handling of the above exception, another exception occurred: 
    43168  
    43169 Traceback (most recent call last): 
    43170 File
    43171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43172 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43173 if not self.draw_new_frame(): 
    43174 File
    43175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43176 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43177 changed = view.check_for_drawing_change() 
    43178 File
    43179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43180 packages/chimerax/core/graphics/view.py", line 252, in
    43181 check_for_drawing_change 
    43182 trig.activate_trigger('graphics update', self) 
    43183 File
    43184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43185 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43186 trigger.activate(data) 
    43187 File
    43188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43189 packages/chimerax/core/triggerset.py", line 190, in activate 
    43190 ret = handler.invoke(data, self._remove_bad_handlers) 
    43191 File
    43192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43193 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43194 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43195 File
    43196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43197 packages/chimerax/core/session.py", line 943, in <lambda> 
    43198 logger.report_exception(preface=preface)) 
    43199 File
    43200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43201 packages/chimerax/core/logger.py", line 421, in report_exception 
    43202 elif probably_chimera1_session(exc_info): 
    43203 File
    43204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43205 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43206 etype, evalue, etraceback = exc_info 
    43207 TypeError: cannot unpack non-iterable NoneType object 
    43208  
    43209 TypeError: cannot unpack non-iterable NoneType object 
    43210  
    43211 File
    43212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43213 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43214 etype, evalue, etraceback = exc_info 
    43215  
    43216 See log for complete Python traceback. 
    43217  
    43218 Traceback (most recent call last): 
    43219 File
    43220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43221 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43222 return self._func(self._name, data) 
    43223 File
    43224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43225 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43226 if v.display: 
    43227 File
    43228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43229 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43230 return self._any_displayed_positions and len(self._positions) > 0 
    43231 TypeError: object of type 'NoneType' has no len() 
    43232  
    43233 During handling of the above exception, another exception occurred: 
    43234  
    43235 Traceback (most recent call last): 
    43236 File
    43237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43238 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43239 if not self.draw_new_frame(): 
    43240 File
    43241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43242 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43243 changed = view.check_for_drawing_change() 
    43244 File
    43245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43246 packages/chimerax/core/graphics/view.py", line 252, in
    43247 check_for_drawing_change 
    43248 trig.activate_trigger('graphics update', self) 
    43249 File
    43250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43251 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43252 trigger.activate(data) 
    43253 File
    43254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43255 packages/chimerax/core/triggerset.py", line 190, in activate 
    43256 ret = handler.invoke(data, self._remove_bad_handlers) 
    43257 File
    43258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43259 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43260 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43261 File
    43262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43263 packages/chimerax/core/session.py", line 943, in <lambda> 
    43264 logger.report_exception(preface=preface)) 
    43265 File
    43266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43267 packages/chimerax/core/logger.py", line 421, in report_exception 
    43268 elif probably_chimera1_session(exc_info): 
    43269 File
    43270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43271 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43272 etype, evalue, etraceback = exc_info 
    43273 TypeError: cannot unpack non-iterable NoneType object 
    43274  
    43275 TypeError: cannot unpack non-iterable NoneType object 
    43276  
    43277 File
    43278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43279 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43280 etype, evalue, etraceback = exc_info 
    43281  
    43282 See log for complete Python traceback. 
    43283  
    43284 Traceback (most recent call last): 
    43285 File
    43286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43287 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43288 return self._func(self._name, data) 
    43289 File
    43290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43291 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43292 if v.display: 
    43293 File
    43294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43295 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43296 return self._any_displayed_positions and len(self._positions) > 0 
    43297 TypeError: object of type 'NoneType' has no len() 
    43298  
    43299 During handling of the above exception, another exception occurred: 
    43300  
    43301 Traceback (most recent call last): 
    43302 File
    43303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43304 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43305 if not self.draw_new_frame(): 
    43306 File
    43307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43308 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43309 changed = view.check_for_drawing_change() 
    43310 File
    43311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43312 packages/chimerax/core/graphics/view.py", line 252, in
    43313 check_for_drawing_change 
    43314 trig.activate_trigger('graphics update', self) 
    43315 File
    43316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43317 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43318 trigger.activate(data) 
    43319 File
    43320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43321 packages/chimerax/core/triggerset.py", line 190, in activate 
    43322 ret = handler.invoke(data, self._remove_bad_handlers) 
    43323 File
    43324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43325 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43326 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43327 File
    43328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43329 packages/chimerax/core/session.py", line 943, in <lambda> 
    43330 logger.report_exception(preface=preface)) 
    43331 File
    43332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43333 packages/chimerax/core/logger.py", line 421, in report_exception 
    43334 elif probably_chimera1_session(exc_info): 
    43335 File
    43336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43337 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43338 etype, evalue, etraceback = exc_info 
    43339 TypeError: cannot unpack non-iterable NoneType object 
    43340  
    43341 TypeError: cannot unpack non-iterable NoneType object 
    43342  
    43343 File
    43344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43345 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43346 etype, evalue, etraceback = exc_info 
    43347  
    43348 See log for complete Python traceback. 
    43349  
    43350 Traceback (most recent call last): 
    43351 File
    43352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43353 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43354 return self._func(self._name, data) 
    43355 File
    43356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43357 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43358 if v.display: 
    43359 File
    43360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43361 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43362 return self._any_displayed_positions and len(self._positions) > 0 
    43363 TypeError: object of type 'NoneType' has no len() 
    43364  
    43365 During handling of the above exception, another exception occurred: 
    43366  
    43367 Traceback (most recent call last): 
    43368 File
    43369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43370 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43371 if not self.draw_new_frame(): 
    43372 File
    43373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43374 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43375 changed = view.check_for_drawing_change() 
    43376 File
    43377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43378 packages/chimerax/core/graphics/view.py", line 252, in
    43379 check_for_drawing_change 
    43380 trig.activate_trigger('graphics update', self) 
    43381 File
    43382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43383 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43384 trigger.activate(data) 
    43385 File
    43386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43387 packages/chimerax/core/triggerset.py", line 190, in activate 
    43388 ret = handler.invoke(data, self._remove_bad_handlers) 
    43389 File
    43390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43391 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43392 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43393 File
    43394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43395 packages/chimerax/core/session.py", line 943, in <lambda> 
    43396 logger.report_exception(preface=preface)) 
    43397 File
    43398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43399 packages/chimerax/core/logger.py", line 421, in report_exception 
    43400 elif probably_chimera1_session(exc_info): 
    43401 File
    43402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43403 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43404 etype, evalue, etraceback = exc_info 
    43405 TypeError: cannot unpack non-iterable NoneType object 
    43406  
    43407 TypeError: cannot unpack non-iterable NoneType object 
    43408  
    43409 File
    43410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43411 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43412 etype, evalue, etraceback = exc_info 
    43413  
    43414 See log for complete Python traceback. 
    43415  
    43416 Traceback (most recent call last): 
    43417 File
    43418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43419 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43420 return self._func(self._name, data) 
    43421 File
    43422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43423 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43424 if v.display: 
    43425 File
    43426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43427 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43428 return self._any_displayed_positions and len(self._positions) > 0 
    43429 TypeError: object of type 'NoneType' has no len() 
    43430  
    43431 During handling of the above exception, another exception occurred: 
    43432  
    43433 Traceback (most recent call last): 
    43434 File
    43435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43436 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43437 if not self.draw_new_frame(): 
    43438 File
    43439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43440 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43441 changed = view.check_for_drawing_change() 
    43442 File
    43443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43444 packages/chimerax/core/graphics/view.py", line 252, in
    43445 check_for_drawing_change 
    43446 trig.activate_trigger('graphics update', self) 
    43447 File
    43448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43449 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43450 trigger.activate(data) 
    43451 File
    43452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43453 packages/chimerax/core/triggerset.py", line 190, in activate 
    43454 ret = handler.invoke(data, self._remove_bad_handlers) 
    43455 File
    43456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43457 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43458 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43459 File
    43460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43461 packages/chimerax/core/session.py", line 943, in <lambda> 
    43462 logger.report_exception(preface=preface)) 
    43463 File
    43464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43465 packages/chimerax/core/logger.py", line 421, in report_exception 
    43466 elif probably_chimera1_session(exc_info): 
    43467 File
    43468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43469 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43470 etype, evalue, etraceback = exc_info 
    43471 TypeError: cannot unpack non-iterable NoneType object 
    43472  
    43473 TypeError: cannot unpack non-iterable NoneType object 
    43474  
    43475 File
    43476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43477 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43478 etype, evalue, etraceback = exc_info 
    43479  
    43480 See log for complete Python traceback. 
    43481  
    43482 Traceback (most recent call last): 
    43483 File
    43484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43485 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43486 return self._func(self._name, data) 
    43487 File
    43488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43489 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43490 if v.display: 
    43491 File
    43492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43493 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43494 return self._any_displayed_positions and len(self._positions) > 0 
    43495 TypeError: object of type 'NoneType' has no len() 
    43496  
    43497 During handling of the above exception, another exception occurred: 
    43498  
    43499 Traceback (most recent call last): 
    43500 File
    43501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43502 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43503 if not self.draw_new_frame(): 
    43504 File
    43505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43506 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43507 changed = view.check_for_drawing_change() 
    43508 File
    43509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43510 packages/chimerax/core/graphics/view.py", line 252, in
    43511 check_for_drawing_change 
    43512 trig.activate_trigger('graphics update', self) 
    43513 File
    43514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43515 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43516 trigger.activate(data) 
    43517 File
    43518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43519 packages/chimerax/core/triggerset.py", line 190, in activate 
    43520 ret = handler.invoke(data, self._remove_bad_handlers) 
    43521 File
    43522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43523 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43524 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43525 File
    43526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43527 packages/chimerax/core/session.py", line 943, in <lambda> 
    43528 logger.report_exception(preface=preface)) 
    43529 File
    43530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43531 packages/chimerax/core/logger.py", line 421, in report_exception 
    43532 elif probably_chimera1_session(exc_info): 
    43533 File
    43534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43535 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43536 etype, evalue, etraceback = exc_info 
    43537 TypeError: cannot unpack non-iterable NoneType object 
    43538  
    43539 TypeError: cannot unpack non-iterable NoneType object 
    43540  
    43541 File
    43542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43543 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43544 etype, evalue, etraceback = exc_info 
    43545  
    43546 See log for complete Python traceback. 
    43547  
    43548 Traceback (most recent call last): 
    43549 File
    43550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43551 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43552 return self._func(self._name, data) 
    43553 File
    43554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43555 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43556 if v.display: 
    43557 File
    43558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43559 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43560 return self._any_displayed_positions and len(self._positions) > 0 
    43561 TypeError: object of type 'NoneType' has no len() 
    43562  
    43563 During handling of the above exception, another exception occurred: 
    43564  
    43565 Traceback (most recent call last): 
    43566 File
    43567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43568 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43569 if not self.draw_new_frame(): 
    43570 File
    43571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43572 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43573 changed = view.check_for_drawing_change() 
    43574 File
    43575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43576 packages/chimerax/core/graphics/view.py", line 252, in
    43577 check_for_drawing_change 
    43578 trig.activate_trigger('graphics update', self) 
    43579 File
    43580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43581 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43582 trigger.activate(data) 
    43583 File
    43584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43585 packages/chimerax/core/triggerset.py", line 190, in activate 
    43586 ret = handler.invoke(data, self._remove_bad_handlers) 
    43587 File
    43588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43589 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43590 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43591 File
    43592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43593 packages/chimerax/core/session.py", line 943, in <lambda> 
    43594 logger.report_exception(preface=preface)) 
    43595 File
    43596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43597 packages/chimerax/core/logger.py", line 421, in report_exception 
    43598 elif probably_chimera1_session(exc_info): 
    43599 File
    43600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43601 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43602 etype, evalue, etraceback = exc_info 
    43603 TypeError: cannot unpack non-iterable NoneType object 
    43604  
    43605 TypeError: cannot unpack non-iterable NoneType object 
    43606  
    43607 File
    43608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43609 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43610 etype, evalue, etraceback = exc_info 
    43611  
    43612 See log for complete Python traceback. 
    43613  
    43614 Traceback (most recent call last): 
    43615 File
    43616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43617 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43618 return self._func(self._name, data) 
    43619 File
    43620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43621 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43622 if v.display: 
    43623 File
    43624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43625 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43626 return self._any_displayed_positions and len(self._positions) > 0 
    43627 TypeError: object of type 'NoneType' has no len() 
    43628  
    43629 During handling of the above exception, another exception occurred: 
    43630  
    43631 Traceback (most recent call last): 
    43632 File
    43633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43634 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43635 if not self.draw_new_frame(): 
    43636 File
    43637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43638 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43639 changed = view.check_for_drawing_change() 
    43640 File
    43641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43642 packages/chimerax/core/graphics/view.py", line 252, in
    43643 check_for_drawing_change 
    43644 trig.activate_trigger('graphics update', self) 
    43645 File
    43646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43647 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43648 trigger.activate(data) 
    43649 File
    43650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43651 packages/chimerax/core/triggerset.py", line 190, in activate 
    43652 ret = handler.invoke(data, self._remove_bad_handlers) 
    43653 File
    43654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43655 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43656 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43657 File
    43658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43659 packages/chimerax/core/session.py", line 943, in <lambda> 
    43660 logger.report_exception(preface=preface)) 
    43661 File
    43662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43663 packages/chimerax/core/logger.py", line 421, in report_exception 
    43664 elif probably_chimera1_session(exc_info): 
    43665 File
    43666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43667 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43668 etype, evalue, etraceback = exc_info 
    43669 TypeError: cannot unpack non-iterable NoneType object 
    43670  
    43671 TypeError: cannot unpack non-iterable NoneType object 
    43672  
    43673 File
    43674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43675 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43676 etype, evalue, etraceback = exc_info 
    43677  
    43678 See log for complete Python traceback. 
    43679  
    43680 Traceback (most recent call last): 
    43681 File
    43682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43683 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43684 return self._func(self._name, data) 
    43685 File
    43686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43687 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43688 if v.display: 
    43689 File
    43690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43691 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43692 return self._any_displayed_positions and len(self._positions) > 0 
    43693 TypeError: object of type 'NoneType' has no len() 
    43694  
    43695 During handling of the above exception, another exception occurred: 
    43696  
    43697 Traceback (most recent call last): 
    43698 File
    43699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43700 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43701 if not self.draw_new_frame(): 
    43702 File
    43703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43704 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43705 changed = view.check_for_drawing_change() 
    43706 File
    43707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43708 packages/chimerax/core/graphics/view.py", line 252, in
    43709 check_for_drawing_change 
    43710 trig.activate_trigger('graphics update', self) 
    43711 File
    43712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43713 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43714 trigger.activate(data) 
    43715 File
    43716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43717 packages/chimerax/core/triggerset.py", line 190, in activate 
    43718 ret = handler.invoke(data, self._remove_bad_handlers) 
    43719 File
    43720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43721 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43722 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43723 File
    43724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43725 packages/chimerax/core/session.py", line 943, in <lambda> 
    43726 logger.report_exception(preface=preface)) 
    43727 File
    43728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43729 packages/chimerax/core/logger.py", line 421, in report_exception 
    43730 elif probably_chimera1_session(exc_info): 
    43731 File
    43732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43733 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43734 etype, evalue, etraceback = exc_info 
    43735 TypeError: cannot unpack non-iterable NoneType object 
    43736  
    43737 TypeError: cannot unpack non-iterable NoneType object 
    43738  
    43739 File
    43740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43741 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43742 etype, evalue, etraceback = exc_info 
    43743  
    43744 See log for complete Python traceback. 
    43745  
    43746 Traceback (most recent call last): 
    43747 File
    43748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43749 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43750 return self._func(self._name, data) 
    43751 File
    43752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43753 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43754 if v.display: 
    43755 File
    43756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43757 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43758 return self._any_displayed_positions and len(self._positions) > 0 
    43759 TypeError: object of type 'NoneType' has no len() 
    43760  
    43761 During handling of the above exception, another exception occurred: 
    43762  
    43763 Traceback (most recent call last): 
    43764 File
    43765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43766 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43767 if not self.draw_new_frame(): 
    43768 File
    43769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43770 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43771 changed = view.check_for_drawing_change() 
    43772 File
    43773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43774 packages/chimerax/core/graphics/view.py", line 252, in
    43775 check_for_drawing_change 
    43776 trig.activate_trigger('graphics update', self) 
    43777 File
    43778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43779 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43780 trigger.activate(data) 
    43781 File
    43782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43783 packages/chimerax/core/triggerset.py", line 190, in activate 
    43784 ret = handler.invoke(data, self._remove_bad_handlers) 
    43785 File
    43786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43787 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43788 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43789 File
    43790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43791 packages/chimerax/core/session.py", line 943, in <lambda> 
    43792 logger.report_exception(preface=preface)) 
    43793 File
    43794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43795 packages/chimerax/core/logger.py", line 421, in report_exception 
    43796 elif probably_chimera1_session(exc_info): 
    43797 File
    43798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43799 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43800 etype, evalue, etraceback = exc_info 
    43801 TypeError: cannot unpack non-iterable NoneType object 
    43802  
    43803 TypeError: cannot unpack non-iterable NoneType object 
    43804  
    43805 File
    43806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43807 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43808 etype, evalue, etraceback = exc_info 
    43809  
    43810 See log for complete Python traceback. 
    43811  
    43812 Traceback (most recent call last): 
    43813 File
    43814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43815 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43816 return self._func(self._name, data) 
    43817 File
    43818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43819 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43820 if v.display: 
    43821 File
    43822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43823 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43824 return self._any_displayed_positions and len(self._positions) > 0 
    43825 TypeError: object of type 'NoneType' has no len() 
    43826  
    43827 During handling of the above exception, another exception occurred: 
    43828  
    43829 Traceback (most recent call last): 
    43830 File
    43831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43832 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43833 if not self.draw_new_frame(): 
    43834 File
    43835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43836 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43837 changed = view.check_for_drawing_change() 
    43838 File
    43839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43840 packages/chimerax/core/graphics/view.py", line 252, in
    43841 check_for_drawing_change 
    43842 trig.activate_trigger('graphics update', self) 
    43843 File
    43844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43845 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43846 trigger.activate(data) 
    43847 File
    43848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43849 packages/chimerax/core/triggerset.py", line 190, in activate 
    43850 ret = handler.invoke(data, self._remove_bad_handlers) 
    43851 File
    43852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43853 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43854 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43855 File
    43856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43857 packages/chimerax/core/session.py", line 943, in <lambda> 
    43858 logger.report_exception(preface=preface)) 
    43859 File
    43860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43861 packages/chimerax/core/logger.py", line 421, in report_exception 
    43862 elif probably_chimera1_session(exc_info): 
    43863 File
    43864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43865 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43866 etype, evalue, etraceback = exc_info 
    43867 TypeError: cannot unpack non-iterable NoneType object 
    43868  
    43869 TypeError: cannot unpack non-iterable NoneType object 
    43870  
    43871 File
    43872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43873 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43874 etype, evalue, etraceback = exc_info 
    43875  
    43876 See log for complete Python traceback. 
    43877  
    43878 Traceback (most recent call last): 
    43879 File
    43880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43881 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43882 return self._func(self._name, data) 
    43883 File
    43884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43885 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43886 if v.display: 
    43887 File
    43888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43889 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43890 return self._any_displayed_positions and len(self._positions) > 0 
    43891 TypeError: object of type 'NoneType' has no len() 
    43892  
    43893 During handling of the above exception, another exception occurred: 
    43894  
    43895 Traceback (most recent call last): 
    43896 File
    43897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43898 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43899 if not self.draw_new_frame(): 
    43900 File
    43901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43902 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43903 changed = view.check_for_drawing_change() 
    43904 File
    43905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43906 packages/chimerax/core/graphics/view.py", line 252, in
    43907 check_for_drawing_change 
    43908 trig.activate_trigger('graphics update', self) 
    43909 File
    43910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43911 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43912 trigger.activate(data) 
    43913 File
    43914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43915 packages/chimerax/core/triggerset.py", line 190, in activate 
    43916 ret = handler.invoke(data, self._remove_bad_handlers) 
    43917 File
    43918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43919 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43920 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43921 File
    43922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43923 packages/chimerax/core/session.py", line 943, in <lambda> 
    43924 logger.report_exception(preface=preface)) 
    43925 File
    43926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43927 packages/chimerax/core/logger.py", line 421, in report_exception 
    43928 elif probably_chimera1_session(exc_info): 
    43929 File
    43930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43931 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43932 etype, evalue, etraceback = exc_info 
    43933 TypeError: cannot unpack non-iterable NoneType object 
    43934  
    43935 TypeError: cannot unpack non-iterable NoneType object 
    43936  
    43937 File
    43938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43939 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43940 etype, evalue, etraceback = exc_info 
    43941  
    43942 See log for complete Python traceback. 
    43943  
    43944 Traceback (most recent call last): 
    43945 File
    43946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43947 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43948 return self._func(self._name, data) 
    43949 File
    43950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43951 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43952 if v.display: 
    43953 File
    43954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43955 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43956 return self._any_displayed_positions and len(self._positions) > 0 
    43957 TypeError: object of type 'NoneType' has no len() 
    43958  
    43959 During handling of the above exception, another exception occurred: 
    43960  
    43961 Traceback (most recent call last): 
    43962 File
    43963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43964 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43965 if not self.draw_new_frame(): 
    43966 File
    43967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43968 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43969 changed = view.check_for_drawing_change() 
    43970 File
    43971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43972 packages/chimerax/core/graphics/view.py", line 252, in
    43973 check_for_drawing_change 
    43974 trig.activate_trigger('graphics update', self) 
    43975 File
    43976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43977 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43978 trigger.activate(data) 
    43979 File
    43980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43981 packages/chimerax/core/triggerset.py", line 190, in activate 
    43982 ret = handler.invoke(data, self._remove_bad_handlers) 
    43983 File
    43984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43985 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43986 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43987 File
    43988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43989 packages/chimerax/core/session.py", line 943, in <lambda> 
    43990 logger.report_exception(preface=preface)) 
    43991 File
    43992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43993 packages/chimerax/core/logger.py", line 421, in report_exception 
    43994 elif probably_chimera1_session(exc_info): 
    43995 File
    43996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43997 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43998 etype, evalue, etraceback = exc_info 
    43999 TypeError: cannot unpack non-iterable NoneType object 
    44000  
    44001 TypeError: cannot unpack non-iterable NoneType object 
    44002  
    44003 File
    44004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44005 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44006 etype, evalue, etraceback = exc_info 
    44007  
    44008 See log for complete Python traceback. 
    44009  
    44010 Traceback (most recent call last): 
    44011 File
    44012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44013 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44014 return self._func(self._name, data) 
    44015 File
    44016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44017 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44018 if v.display: 
    44019 File
    44020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44021 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44022 return self._any_displayed_positions and len(self._positions) > 0 
    44023 TypeError: object of type 'NoneType' has no len() 
    44024  
    44025 During handling of the above exception, another exception occurred: 
    44026  
    44027 Traceback (most recent call last): 
    44028 File
    44029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44030 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44031 if not self.draw_new_frame(): 
    44032 File
    44033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44034 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44035 changed = view.check_for_drawing_change() 
    44036 File
    44037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44038 packages/chimerax/core/graphics/view.py", line 252, in
    44039 check_for_drawing_change 
    44040 trig.activate_trigger('graphics update', self) 
    44041 File
    44042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44043 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44044 trigger.activate(data) 
    44045 File
    44046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44047 packages/chimerax/core/triggerset.py", line 190, in activate 
    44048 ret = handler.invoke(data, self._remove_bad_handlers) 
    44049 File
    44050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44051 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44052 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44053 File
    44054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44055 packages/chimerax/core/session.py", line 943, in <lambda> 
    44056 logger.report_exception(preface=preface)) 
    44057 File
    44058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44059 packages/chimerax/core/logger.py", line 421, in report_exception 
    44060 elif probably_chimera1_session(exc_info): 
    44061 File
    44062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44063 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44064 etype, evalue, etraceback = exc_info 
    44065 TypeError: cannot unpack non-iterable NoneType object 
    44066  
    44067 TypeError: cannot unpack non-iterable NoneType object 
    44068  
    44069 File
    44070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44071 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44072 etype, evalue, etraceback = exc_info 
    44073  
    44074 See log for complete Python traceback. 
    44075  
    44076 Traceback (most recent call last): 
    44077 File
    44078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44079 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44080 return self._func(self._name, data) 
    44081 File
    44082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44083 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44084 if v.display: 
    44085 File
    44086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44087 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44088 return self._any_displayed_positions and len(self._positions) > 0 
    44089 TypeError: object of type 'NoneType' has no len() 
    44090  
    44091 During handling of the above exception, another exception occurred: 
    44092  
    44093 Traceback (most recent call last): 
    44094 File
    44095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44096 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44097 if not self.draw_new_frame(): 
    44098 File
    44099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44100 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44101 changed = view.check_for_drawing_change() 
    44102 File
    44103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44104 packages/chimerax/core/graphics/view.py", line 252, in
    44105 check_for_drawing_change 
    44106 trig.activate_trigger('graphics update', self) 
    44107 File
    44108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44109 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44110 trigger.activate(data) 
    44111 File
    44112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44113 packages/chimerax/core/triggerset.py", line 190, in activate 
    44114 ret = handler.invoke(data, self._remove_bad_handlers) 
    44115 File
    44116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44117 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44118 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44119 File
    44120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44121 packages/chimerax/core/session.py", line 943, in <lambda> 
    44122 logger.report_exception(preface=preface)) 
    44123 File
    44124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44125 packages/chimerax/core/logger.py", line 421, in report_exception 
    44126 elif probably_chimera1_session(exc_info): 
    44127 File
    44128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44129 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44130 etype, evalue, etraceback = exc_info 
    44131 TypeError: cannot unpack non-iterable NoneType object 
    44132  
    44133 TypeError: cannot unpack non-iterable NoneType object 
    44134  
    44135 File
    44136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44137 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44138 etype, evalue, etraceback = exc_info 
    44139  
    44140 See log for complete Python traceback. 
    44141  
    44142 Traceback (most recent call last): 
    44143 File
    44144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44145 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44146 return self._func(self._name, data) 
    44147 File
    44148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44149 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44150 if v.display: 
    44151 File
    44152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44153 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44154 return self._any_displayed_positions and len(self._positions) > 0 
    44155 TypeError: object of type 'NoneType' has no len() 
    44156  
    44157 During handling of the above exception, another exception occurred: 
    44158  
    44159 Traceback (most recent call last): 
    44160 File
    44161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44162 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44163 if not self.draw_new_frame(): 
    44164 File
    44165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44166 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44167 changed = view.check_for_drawing_change() 
    44168 File
    44169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44170 packages/chimerax/core/graphics/view.py", line 252, in
    44171 check_for_drawing_change 
    44172 trig.activate_trigger('graphics update', self) 
    44173 File
    44174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44175 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44176 trigger.activate(data) 
    44177 File
    44178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44179 packages/chimerax/core/triggerset.py", line 190, in activate 
    44180 ret = handler.invoke(data, self._remove_bad_handlers) 
    44181 File
    44182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44183 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44184 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44185 File
    44186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44187 packages/chimerax/core/session.py", line 943, in <lambda> 
    44188 logger.report_exception(preface=preface)) 
    44189 File
    44190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44191 packages/chimerax/core/logger.py", line 421, in report_exception 
    44192 elif probably_chimera1_session(exc_info): 
    44193 File
    44194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44195 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44196 etype, evalue, etraceback = exc_info 
    44197 TypeError: cannot unpack non-iterable NoneType object 
    44198  
    44199 TypeError: cannot unpack non-iterable NoneType object 
    44200  
    44201 File
    44202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44203 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44204 etype, evalue, etraceback = exc_info 
    44205  
    44206 See log for complete Python traceback. 
    44207  
    44208 Traceback (most recent call last): 
    44209 File
    44210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44211 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44212 return self._func(self._name, data) 
    44213 File
    44214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44215 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44216 if v.display: 
    44217 File
    44218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44219 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44220 return self._any_displayed_positions and len(self._positions) > 0 
    44221 TypeError: object of type 'NoneType' has no len() 
    44222  
    44223 During handling of the above exception, another exception occurred: 
    44224  
    44225 Traceback (most recent call last): 
    44226 File
    44227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44228 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44229 if not self.draw_new_frame(): 
    44230 File
    44231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44232 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44233 changed = view.check_for_drawing_change() 
    44234 File
    44235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44236 packages/chimerax/core/graphics/view.py", line 252, in
    44237 check_for_drawing_change 
    44238 trig.activate_trigger('graphics update', self) 
    44239 File
    44240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44241 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44242 trigger.activate(data) 
    44243 File
    44244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44245 packages/chimerax/core/triggerset.py", line 190, in activate 
    44246 ret = handler.invoke(data, self._remove_bad_handlers) 
    44247 File
    44248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44249 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44250 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44251 File
    44252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44253 packages/chimerax/core/session.py", line 943, in <lambda> 
    44254 logger.report_exception(preface=preface)) 
    44255 File
    44256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44257 packages/chimerax/core/logger.py", line 421, in report_exception 
    44258 elif probably_chimera1_session(exc_info): 
    44259 File
    44260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44261 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44262 etype, evalue, etraceback = exc_info 
    44263 TypeError: cannot unpack non-iterable NoneType object 
    44264  
    44265 TypeError: cannot unpack non-iterable NoneType object 
    44266  
    44267 File
    44268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44269 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44270 etype, evalue, etraceback = exc_info 
    44271  
    44272 See log for complete Python traceback. 
    44273  
    44274 Traceback (most recent call last): 
    44275 File
    44276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44277 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44278 return self._func(self._name, data) 
    44279 File
    44280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44281 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44282 if v.display: 
    44283 File
    44284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44285 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44286 return self._any_displayed_positions and len(self._positions) > 0 
    44287 TypeError: object of type 'NoneType' has no len() 
    44288  
    44289 During handling of the above exception, another exception occurred: 
    44290  
    44291 Traceback (most recent call last): 
    44292 File
    44293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44294 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44295 if not self.draw_new_frame(): 
    44296 File
    44297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44298 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44299 changed = view.check_for_drawing_change() 
    44300 File
    44301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44302 packages/chimerax/core/graphics/view.py", line 252, in
    44303 check_for_drawing_change 
    44304 trig.activate_trigger('graphics update', self) 
    44305 File
    44306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44307 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44308 trigger.activate(data) 
    44309 File
    44310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44311 packages/chimerax/core/triggerset.py", line 190, in activate 
    44312 ret = handler.invoke(data, self._remove_bad_handlers) 
    44313 File
    44314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44315 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44316 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44317 File
    44318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44319 packages/chimerax/core/session.py", line 943, in <lambda> 
    44320 logger.report_exception(preface=preface)) 
    44321 File
    44322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44323 packages/chimerax/core/logger.py", line 421, in report_exception 
    44324 elif probably_chimera1_session(exc_info): 
    44325 File
    44326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44327 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44328 etype, evalue, etraceback = exc_info 
    44329 TypeError: cannot unpack non-iterable NoneType object 
    44330  
    44331 TypeError: cannot unpack non-iterable NoneType object 
    44332  
    44333 File
    44334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44335 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44336 etype, evalue, etraceback = exc_info 
    44337  
    44338 See log for complete Python traceback. 
    44339  
    44340 Traceback (most recent call last): 
    44341 File
    44342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44343 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44344 return self._func(self._name, data) 
    44345 File
    44346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44347 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44348 if v.display: 
    44349 File
    44350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44351 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44352 return self._any_displayed_positions and len(self._positions) > 0 
    44353 TypeError: object of type 'NoneType' has no len() 
    44354  
    44355 During handling of the above exception, another exception occurred: 
    44356  
    44357 Traceback (most recent call last): 
    44358 File
    44359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44360 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44361 if not self.draw_new_frame(): 
    44362 File
    44363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44364 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44365 changed = view.check_for_drawing_change() 
    44366 File
    44367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44368 packages/chimerax/core/graphics/view.py", line 252, in
    44369 check_for_drawing_change 
    44370 trig.activate_trigger('graphics update', self) 
    44371 File
    44372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44373 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44374 trigger.activate(data) 
    44375 File
    44376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44377 packages/chimerax/core/triggerset.py", line 190, in activate 
    44378 ret = handler.invoke(data, self._remove_bad_handlers) 
    44379 File
    44380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44381 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44382 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44383 File
    44384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44385 packages/chimerax/core/session.py", line 943, in <lambda> 
    44386 logger.report_exception(preface=preface)) 
    44387 File
    44388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44389 packages/chimerax/core/logger.py", line 421, in report_exception 
    44390 elif probably_chimera1_session(exc_info): 
    44391 File
    44392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44393 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44394 etype, evalue, etraceback = exc_info 
    44395 TypeError: cannot unpack non-iterable NoneType object 
    44396  
    44397 TypeError: cannot unpack non-iterable NoneType object 
    44398  
    44399 File
    44400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44401 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44402 etype, evalue, etraceback = exc_info 
    44403  
    44404 See log for complete Python traceback. 
    44405  
    44406 Traceback (most recent call last): 
    44407 File
    44408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44409 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44410 return self._func(self._name, data) 
    44411 File
    44412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44413 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44414 if v.display: 
    44415 File
    44416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44417 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44418 return self._any_displayed_positions and len(self._positions) > 0 
    44419 TypeError: object of type 'NoneType' has no len() 
    44420  
    44421 During handling of the above exception, another exception occurred: 
    44422  
    44423 Traceback (most recent call last): 
    44424 File
    44425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44426 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44427 if not self.draw_new_frame(): 
    44428 File
    44429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44430 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44431 changed = view.check_for_drawing_change() 
    44432 File
    44433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44434 packages/chimerax/core/graphics/view.py", line 252, in
    44435 check_for_drawing_change 
    44436 trig.activate_trigger('graphics update', self) 
    44437 File
    44438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44439 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44440 trigger.activate(data) 
    44441 File
    44442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44443 packages/chimerax/core/triggerset.py", line 190, in activate 
    44444 ret = handler.invoke(data, self._remove_bad_handlers) 
    44445 File
    44446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44447 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44448 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44449 File
    44450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44451 packages/chimerax/core/session.py", line 943, in <lambda> 
    44452 logger.report_exception(preface=preface)) 
    44453 File
    44454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44455 packages/chimerax/core/logger.py", line 421, in report_exception 
    44456 elif probably_chimera1_session(exc_info): 
    44457 File
    44458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44459 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44460 etype, evalue, etraceback = exc_info 
    44461 TypeError: cannot unpack non-iterable NoneType object 
    44462  
    44463 TypeError: cannot unpack non-iterable NoneType object 
    44464  
    44465 File
    44466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44467 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44468 etype, evalue, etraceback = exc_info 
    44469  
    44470 See log for complete Python traceback. 
    44471  
    44472 Traceback (most recent call last): 
    44473 File
    44474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44475 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44476 return self._func(self._name, data) 
    44477 File
    44478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44479 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44480 if v.display: 
    44481 File
    44482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44483 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44484 return self._any_displayed_positions and len(self._positions) > 0 
    44485 TypeError: object of type 'NoneType' has no len() 
    44486  
    44487 During handling of the above exception, another exception occurred: 
    44488  
    44489 Traceback (most recent call last): 
    44490 File
    44491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44492 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44493 if not self.draw_new_frame(): 
    44494 File
    44495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44496 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44497 changed = view.check_for_drawing_change() 
    44498 File
    44499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44500 packages/chimerax/core/graphics/view.py", line 252, in
    44501 check_for_drawing_change 
    44502 trig.activate_trigger('graphics update', self) 
    44503 File
    44504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44505 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44506 trigger.activate(data) 
    44507 File
    44508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44509 packages/chimerax/core/triggerset.py", line 190, in activate 
    44510 ret = handler.invoke(data, self._remove_bad_handlers) 
    44511 File
    44512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44513 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44514 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44515 File
    44516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44517 packages/chimerax/core/session.py", line 943, in <lambda> 
    44518 logger.report_exception(preface=preface)) 
    44519 File
    44520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44521 packages/chimerax/core/logger.py", line 421, in report_exception 
    44522 elif probably_chimera1_session(exc_info): 
    44523 File
    44524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44525 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44526 etype, evalue, etraceback = exc_info 
    44527 TypeError: cannot unpack non-iterable NoneType object 
    44528  
    44529 TypeError: cannot unpack non-iterable NoneType object 
    44530  
    44531 File
    44532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44533 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44534 etype, evalue, etraceback = exc_info 
    44535  
    44536 See log for complete Python traceback. 
    44537  
    44538 Traceback (most recent call last): 
    44539 File
    44540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44541 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44542 return self._func(self._name, data) 
    44543 File
    44544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44545 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44546 if v.display: 
    44547 File
    44548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44549 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44550 return self._any_displayed_positions and len(self._positions) > 0 
    44551 TypeError: object of type 'NoneType' has no len() 
    44552  
    44553 During handling of the above exception, another exception occurred: 
    44554  
    44555 Traceback (most recent call last): 
    44556 File
    44557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44558 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44559 if not self.draw_new_frame(): 
    44560 File
    44561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44562 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44563 changed = view.check_for_drawing_change() 
    44564 File
    44565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44566 packages/chimerax/core/graphics/view.py", line 252, in
    44567 check_for_drawing_change 
    44568 trig.activate_trigger('graphics update', self) 
    44569 File
    44570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44571 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44572 trigger.activate(data) 
    44573 File
    44574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44575 packages/chimerax/core/triggerset.py", line 190, in activate 
    44576 ret = handler.invoke(data, self._remove_bad_handlers) 
    44577 File
    44578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44579 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44580 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44581 File
    44582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44583 packages/chimerax/core/session.py", line 943, in <lambda> 
    44584 logger.report_exception(preface=preface)) 
    44585 File
    44586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44587 packages/chimerax/core/logger.py", line 421, in report_exception 
    44588 elif probably_chimera1_session(exc_info): 
    44589 File
    44590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44591 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44592 etype, evalue, etraceback = exc_info 
    44593 TypeError: cannot unpack non-iterable NoneType object 
    44594  
    44595 TypeError: cannot unpack non-iterable NoneType object 
    44596  
    44597 File
    44598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44599 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44600 etype, evalue, etraceback = exc_info 
    44601  
    44602 See log for complete Python traceback. 
    44603  
    44604 Traceback (most recent call last): 
    44605 File
    44606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44607 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44608 return self._func(self._name, data) 
    44609 File
    44610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44611 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44612 if v.display: 
    44613 File
    44614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44615 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44616 return self._any_displayed_positions and len(self._positions) > 0 
    44617 TypeError: object of type 'NoneType' has no len() 
    44618  
    44619 During handling of the above exception, another exception occurred: 
    44620  
    44621 Traceback (most recent call last): 
    44622 File
    44623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44624 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44625 if not self.draw_new_frame(): 
    44626 File
    44627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44628 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44629 changed = view.check_for_drawing_change() 
    44630 File
    44631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44632 packages/chimerax/core/graphics/view.py", line 252, in
    44633 check_for_drawing_change 
    44634 trig.activate_trigger('graphics update', self) 
    44635 File
    44636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44637 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44638 trigger.activate(data) 
    44639 File
    44640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44641 packages/chimerax/core/triggerset.py", line 190, in activate 
    44642 ret = handler.invoke(data, self._remove_bad_handlers) 
    44643 File
    44644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44645 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44646 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44647 File
    44648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44649 packages/chimerax/core/session.py", line 943, in <lambda> 
    44650 logger.report_exception(preface=preface)) 
    44651 File
    44652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44653 packages/chimerax/core/logger.py", line 421, in report_exception 
    44654 elif probably_chimera1_session(exc_info): 
    44655 File
    44656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44657 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44658 etype, evalue, etraceback = exc_info 
    44659 TypeError: cannot unpack non-iterable NoneType object 
    44660  
    44661 TypeError: cannot unpack non-iterable NoneType object 
    44662  
    44663 File
    44664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44665 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44666 etype, evalue, etraceback = exc_info 
    44667  
    44668 See log for complete Python traceback. 
    44669  
    44670 Traceback (most recent call last): 
    44671 File
    44672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44673 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44674 return self._func(self._name, data) 
    44675 File
    44676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44677 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44678 if v.display: 
    44679 File
    44680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44681 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44682 return self._any_displayed_positions and len(self._positions) > 0 
    44683 TypeError: object of type 'NoneType' has no len() 
    44684  
    44685 During handling of the above exception, another exception occurred: 
    44686  
    44687 Traceback (most recent call last): 
    44688 File
    44689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44690 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44691 if not self.draw_new_frame(): 
    44692 File
    44693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44694 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44695 changed = view.check_for_drawing_change() 
    44696 File
    44697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44698 packages/chimerax/core/graphics/view.py", line 252, in
    44699 check_for_drawing_change 
    44700 trig.activate_trigger('graphics update', self) 
    44701 File
    44702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44703 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44704 trigger.activate(data) 
    44705 File
    44706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44707 packages/chimerax/core/triggerset.py", line 190, in activate 
    44708 ret = handler.invoke(data, self._remove_bad_handlers) 
    44709 File
    44710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44711 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44712 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44713 File
    44714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44715 packages/chimerax/core/session.py", line 943, in <lambda> 
    44716 logger.report_exception(preface=preface)) 
    44717 File
    44718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44719 packages/chimerax/core/logger.py", line 421, in report_exception 
    44720 elif probably_chimera1_session(exc_info): 
    44721 File
    44722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44723 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44724 etype, evalue, etraceback = exc_info 
    44725 TypeError: cannot unpack non-iterable NoneType object 
    44726  
    44727 TypeError: cannot unpack non-iterable NoneType object 
    44728  
    44729 File
    44730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44731 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44732 etype, evalue, etraceback = exc_info 
    44733  
    44734 See log for complete Python traceback. 
    44735  
    44736 Traceback (most recent call last): 
    44737 File
    44738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44739 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44740 return self._func(self._name, data) 
    44741 File
    44742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44743 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44744 if v.display: 
    44745 File
    44746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44747 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44748 return self._any_displayed_positions and len(self._positions) > 0 
    44749 TypeError: object of type 'NoneType' has no len() 
    44750  
    44751 During handling of the above exception, another exception occurred: 
    44752  
    44753 Traceback (most recent call last): 
    44754 File
    44755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44756 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44757 if not self.draw_new_frame(): 
    44758 File
    44759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44760 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44761 changed = view.check_for_drawing_change() 
    44762 File
    44763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44764 packages/chimerax/core/graphics/view.py", line 252, in
    44765 check_for_drawing_change 
    44766 trig.activate_trigger('graphics update', self) 
    44767 File
    44768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44769 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44770 trigger.activate(data) 
    44771 File
    44772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44773 packages/chimerax/core/triggerset.py", line 190, in activate 
    44774 ret = handler.invoke(data, self._remove_bad_handlers) 
    44775 File
    44776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44777 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44778 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44779 File
    44780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44781 packages/chimerax/core/session.py", line 943, in <lambda> 
    44782 logger.report_exception(preface=preface)) 
    44783 File
    44784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44785 packages/chimerax/core/logger.py", line 421, in report_exception 
    44786 elif probably_chimera1_session(exc_info): 
    44787 File
    44788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44789 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44790 etype, evalue, etraceback = exc_info 
    44791 TypeError: cannot unpack non-iterable NoneType object 
    44792  
    44793 TypeError: cannot unpack non-iterable NoneType object 
    44794  
    44795 File
    44796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44797 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44798 etype, evalue, etraceback = exc_info 
    44799  
    44800 See log for complete Python traceback. 
    44801  
    44802 Traceback (most recent call last): 
    44803 File
    44804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44805 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44806 return self._func(self._name, data) 
    44807 File
    44808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44809 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44810 if v.display: 
    44811 File
    44812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44813 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44814 return self._any_displayed_positions and len(self._positions) > 0 
    44815 TypeError: object of type 'NoneType' has no len() 
    44816  
    44817 During handling of the above exception, another exception occurred: 
    44818  
    44819 Traceback (most recent call last): 
    44820 File
    44821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44822 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44823 if not self.draw_new_frame(): 
    44824 File
    44825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44826 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44827 changed = view.check_for_drawing_change() 
    44828 File
    44829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44830 packages/chimerax/core/graphics/view.py", line 252, in
    44831 check_for_drawing_change 
    44832 trig.activate_trigger('graphics update', self) 
    44833 File
    44834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44835 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44836 trigger.activate(data) 
    44837 File
    44838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44839 packages/chimerax/core/triggerset.py", line 190, in activate 
    44840 ret = handler.invoke(data, self._remove_bad_handlers) 
    44841 File
    44842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44843 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44844 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44845 File
    44846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44847 packages/chimerax/core/session.py", line 943, in <lambda> 
    44848 logger.report_exception(preface=preface)) 
    44849 File
    44850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44851 packages/chimerax/core/logger.py", line 421, in report_exception 
    44852 elif probably_chimera1_session(exc_info): 
    44853 File
    44854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44855 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44856 etype, evalue, etraceback = exc_info 
    44857 TypeError: cannot unpack non-iterable NoneType object 
    44858  
    44859 TypeError: cannot unpack non-iterable NoneType object 
    44860  
    44861 File
    44862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44863 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44864 etype, evalue, etraceback = exc_info 
    44865  
    44866 See log for complete Python traceback. 
    44867  
    44868 Traceback (most recent call last): 
    44869 File
    44870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44871 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44872 return self._func(self._name, data) 
    44873 File
    44874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44875 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44876 if v.display: 
    44877 File
    44878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44879 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44880 return self._any_displayed_positions and len(self._positions) > 0 
    44881 TypeError: object of type 'NoneType' has no len() 
    44882  
    44883 During handling of the above exception, another exception occurred: 
    44884  
    44885 Traceback (most recent call last): 
    44886 File
    44887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44888 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44889 if not self.draw_new_frame(): 
    44890 File
    44891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44892 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44893 changed = view.check_for_drawing_change() 
    44894 File
    44895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44896 packages/chimerax/core/graphics/view.py", line 252, in
    44897 check_for_drawing_change 
    44898 trig.activate_trigger('graphics update', self) 
    44899 File
    44900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44901 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44902 trigger.activate(data) 
    44903 File
    44904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44905 packages/chimerax/core/triggerset.py", line 190, in activate 
    44906 ret = handler.invoke(data, self._remove_bad_handlers) 
    44907 File
    44908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44909 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44910 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44911 File
    44912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44913 packages/chimerax/core/session.py", line 943, in <lambda> 
    44914 logger.report_exception(preface=preface)) 
    44915 File
    44916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44917 packages/chimerax/core/logger.py", line 421, in report_exception 
    44918 elif probably_chimera1_session(exc_info): 
    44919 File
    44920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44921 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44922 etype, evalue, etraceback = exc_info 
    44923 TypeError: cannot unpack non-iterable NoneType object 
    44924  
    44925 TypeError: cannot unpack non-iterable NoneType object 
    44926  
    44927 File
    44928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44929 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44930 etype, evalue, etraceback = exc_info 
    44931  
    44932 See log for complete Python traceback. 
    44933  
    44934 Traceback (most recent call last): 
    44935 File
    44936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44937 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44938 return self._func(self._name, data) 
    44939 File
    44940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44941 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44942 if v.display: 
    44943 File
    44944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44945 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44946 return self._any_displayed_positions and len(self._positions) > 0 
    44947 TypeError: object of type 'NoneType' has no len() 
    44948  
    44949 During handling of the above exception, another exception occurred: 
    44950  
    44951 Traceback (most recent call last): 
    44952 File
    44953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44954 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44955 if not self.draw_new_frame(): 
    44956 File
    44957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44958 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44959 changed = view.check_for_drawing_change() 
    44960 File
    44961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44962 packages/chimerax/core/graphics/view.py", line 252, in
    44963 check_for_drawing_change 
    44964 trig.activate_trigger('graphics update', self) 
    44965 File
    44966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44967 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44968 trigger.activate(data) 
    44969 File
    44970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44971 packages/chimerax/core/triggerset.py", line 190, in activate 
    44972 ret = handler.invoke(data, self._remove_bad_handlers) 
    44973 File
    44974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44975 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44976 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44977 File
    44978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44979 packages/chimerax/core/session.py", line 943, in <lambda> 
    44980 logger.report_exception(preface=preface)) 
    44981 File
    44982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44983 packages/chimerax/core/logger.py", line 421, in report_exception 
    44984 elif probably_chimera1_session(exc_info): 
    44985 File
    44986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44987 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44988 etype, evalue, etraceback = exc_info 
    44989 TypeError: cannot unpack non-iterable NoneType object 
    44990  
    44991 TypeError: cannot unpack non-iterable NoneType object 
    44992  
    44993 File
    44994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44995 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44996 etype, evalue, etraceback = exc_info 
    44997  
    44998 See log for complete Python traceback. 
    44999  
    45000 Traceback (most recent call last): 
    45001 File
    45002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45003 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45004 return self._func(self._name, data) 
    45005 File
    45006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45007 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45008 if v.display: 
    45009 File
    45010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45011 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45012 return self._any_displayed_positions and len(self._positions) > 0 
    45013 TypeError: object of type 'NoneType' has no len() 
    45014  
    45015 During handling of the above exception, another exception occurred: 
    45016  
    45017 Traceback (most recent call last): 
    45018 File
    45019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45020 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45021 if not self.draw_new_frame(): 
    45022 File
    45023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45024 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45025 changed = view.check_for_drawing_change() 
    45026 File
    45027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45028 packages/chimerax/core/graphics/view.py", line 252, in
    45029 check_for_drawing_change 
    45030 trig.activate_trigger('graphics update', self) 
    45031 File
    45032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45033 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45034 trigger.activate(data) 
    45035 File
    45036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45037 packages/chimerax/core/triggerset.py", line 190, in activate 
    45038 ret = handler.invoke(data, self._remove_bad_handlers) 
    45039 File
    45040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45041 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45042 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45043 File
    45044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45045 packages/chimerax/core/session.py", line 943, in <lambda> 
    45046 logger.report_exception(preface=preface)) 
    45047 File
    45048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45049 packages/chimerax/core/logger.py", line 421, in report_exception 
    45050 elif probably_chimera1_session(exc_info): 
    45051 File
    45052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45053 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45054 etype, evalue, etraceback = exc_info 
    45055 TypeError: cannot unpack non-iterable NoneType object 
    45056  
    45057 TypeError: cannot unpack non-iterable NoneType object 
    45058  
    45059 File
    45060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45061 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45062 etype, evalue, etraceback = exc_info 
    45063  
    45064 See log for complete Python traceback. 
    45065  
    45066 Traceback (most recent call last): 
    45067 File
    45068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45069 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45070 return self._func(self._name, data) 
    45071 File
    45072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45073 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45074 if v.display: 
    45075 File
    45076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45077 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45078 return self._any_displayed_positions and len(self._positions) > 0 
    45079 TypeError: object of type 'NoneType' has no len() 
    45080  
    45081 During handling of the above exception, another exception occurred: 
    45082  
    45083 Traceback (most recent call last): 
    45084 File
    45085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45086 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45087 if not self.draw_new_frame(): 
    45088 File
    45089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45090 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45091 changed = view.check_for_drawing_change() 
    45092 File
    45093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45094 packages/chimerax/core/graphics/view.py", line 252, in
    45095 check_for_drawing_change 
    45096 trig.activate_trigger('graphics update', self) 
    45097 File
    45098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45099 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45100 trigger.activate(data) 
    45101 File
    45102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45103 packages/chimerax/core/triggerset.py", line 190, in activate 
    45104 ret = handler.invoke(data, self._remove_bad_handlers) 
    45105 File
    45106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45107 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45108 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45109 File
    45110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45111 packages/chimerax/core/session.py", line 943, in <lambda> 
    45112 logger.report_exception(preface=preface)) 
    45113 File
    45114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45115 packages/chimerax/core/logger.py", line 421, in report_exception 
    45116 elif probably_chimera1_session(exc_info): 
    45117 File
    45118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45119 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45120 etype, evalue, etraceback = exc_info 
    45121 TypeError: cannot unpack non-iterable NoneType object 
    45122  
    45123 TypeError: cannot unpack non-iterable NoneType object 
    45124  
    45125 File
    45126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45127 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45128 etype, evalue, etraceback = exc_info 
    45129  
    45130 See log for complete Python traceback. 
    45131  
    45132 Traceback (most recent call last): 
    45133 File
    45134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45135 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45136 return self._func(self._name, data) 
    45137 File
    45138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45139 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45140 if v.display: 
    45141 File
    45142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45143 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45144 return self._any_displayed_positions and len(self._positions) > 0 
    45145 TypeError: object of type 'NoneType' has no len() 
    45146  
    45147 During handling of the above exception, another exception occurred: 
    45148  
    45149 Traceback (most recent call last): 
    45150 File
    45151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45152 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45153 if not self.draw_new_frame(): 
    45154 File
    45155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45156 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45157 changed = view.check_for_drawing_change() 
    45158 File
    45159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45160 packages/chimerax/core/graphics/view.py", line 252, in
    45161 check_for_drawing_change 
    45162 trig.activate_trigger('graphics update', self) 
    45163 File
    45164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45165 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45166 trigger.activate(data) 
    45167 File
    45168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45169 packages/chimerax/core/triggerset.py", line 190, in activate 
    45170 ret = handler.invoke(data, self._remove_bad_handlers) 
    45171 File
    45172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45173 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45174 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45175 File
    45176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45177 packages/chimerax/core/session.py", line 943, in <lambda> 
    45178 logger.report_exception(preface=preface)) 
    45179 File
    45180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45181 packages/chimerax/core/logger.py", line 421, in report_exception 
    45182 elif probably_chimera1_session(exc_info): 
    45183 File
    45184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45185 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45186 etype, evalue, etraceback = exc_info 
    45187 TypeError: cannot unpack non-iterable NoneType object 
    45188  
    45189 TypeError: cannot unpack non-iterable NoneType object 
    45190  
    45191 File
    45192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45193 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45194 etype, evalue, etraceback = exc_info 
    45195  
    45196 See log for complete Python traceback. 
    45197  
    45198 Traceback (most recent call last): 
    45199 File
    45200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45201 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45202 return self._func(self._name, data) 
    45203 File
    45204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45205 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45206 if v.display: 
    45207 File
    45208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45209 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45210 return self._any_displayed_positions and len(self._positions) > 0 
    45211 TypeError: object of type 'NoneType' has no len() 
    45212  
    45213 During handling of the above exception, another exception occurred: 
    45214  
    45215 Traceback (most recent call last): 
    45216 File
    45217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45218 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45219 if not self.draw_new_frame(): 
    45220 File
    45221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45222 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45223 changed = view.check_for_drawing_change() 
    45224 File
    45225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45226 packages/chimerax/core/graphics/view.py", line 252, in
    45227 check_for_drawing_change 
    45228 trig.activate_trigger('graphics update', self) 
    45229 File
    45230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45231 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45232 trigger.activate(data) 
    45233 File
    45234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45235 packages/chimerax/core/triggerset.py", line 190, in activate 
    45236 ret = handler.invoke(data, self._remove_bad_handlers) 
    45237 File
    45238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45239 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45240 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45241 File
    45242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45243 packages/chimerax/core/session.py", line 943, in <lambda> 
    45244 logger.report_exception(preface=preface)) 
    45245 File
    45246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45247 packages/chimerax/core/logger.py", line 421, in report_exception 
    45248 elif probably_chimera1_session(exc_info): 
    45249 File
    45250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45251 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45252 etype, evalue, etraceback = exc_info 
    45253 TypeError: cannot unpack non-iterable NoneType object 
    45254  
    45255 TypeError: cannot unpack non-iterable NoneType object 
    45256  
    45257 File
    45258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45259 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45260 etype, evalue, etraceback = exc_info 
    45261  
    45262 See log for complete Python traceback. 
    45263  
    45264 Traceback (most recent call last): 
    45265 File
    45266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45267 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45268 return self._func(self._name, data) 
    45269 File
    45270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45271 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45272 if v.display: 
    45273 File
    45274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45275 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45276 return self._any_displayed_positions and len(self._positions) > 0 
    45277 TypeError: object of type 'NoneType' has no len() 
    45278  
    45279 During handling of the above exception, another exception occurred: 
    45280  
    45281 Traceback (most recent call last): 
    45282 File
    45283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45284 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45285 if not self.draw_new_frame(): 
    45286 File
    45287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45288 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45289 changed = view.check_for_drawing_change() 
    45290 File
    45291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45292 packages/chimerax/core/graphics/view.py", line 252, in
    45293 check_for_drawing_change 
    45294 trig.activate_trigger('graphics update', self) 
    45295 File
    45296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45297 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45298 trigger.activate(data) 
    45299 File
    45300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45301 packages/chimerax/core/triggerset.py", line 190, in activate 
    45302 ret = handler.invoke(data, self._remove_bad_handlers) 
    45303 File
    45304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45305 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45306 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45307 File
    45308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45309 packages/chimerax/core/session.py", line 943, in <lambda> 
    45310 logger.report_exception(preface=preface)) 
    45311 File
    45312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45313 packages/chimerax/core/logger.py", line 421, in report_exception 
    45314 elif probably_chimera1_session(exc_info): 
    45315 File
    45316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45317 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45318 etype, evalue, etraceback = exc_info 
    45319 TypeError: cannot unpack non-iterable NoneType object 
    45320  
    45321 TypeError: cannot unpack non-iterable NoneType object 
    45322  
    45323 File
    45324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45325 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45326 etype, evalue, etraceback = exc_info 
    45327  
    45328 See log for complete Python traceback. 
    45329  
    45330 Traceback (most recent call last): 
    45331 File
    45332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45333 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45334 return self._func(self._name, data) 
    45335 File
    45336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45337 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45338 if v.display: 
    45339 File
    45340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45341 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45342 return self._any_displayed_positions and len(self._positions) > 0 
    45343 TypeError: object of type 'NoneType' has no len() 
    45344  
    45345 During handling of the above exception, another exception occurred: 
    45346  
    45347 Traceback (most recent call last): 
    45348 File
    45349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45350 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45351 if not self.draw_new_frame(): 
    45352 File
    45353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45354 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45355 changed = view.check_for_drawing_change() 
    45356 File
    45357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45358 packages/chimerax/core/graphics/view.py", line 252, in
    45359 check_for_drawing_change 
    45360 trig.activate_trigger('graphics update', self) 
    45361 File
    45362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45363 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45364 trigger.activate(data) 
    45365 File
    45366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45367 packages/chimerax/core/triggerset.py", line 190, in activate 
    45368 ret = handler.invoke(data, self._remove_bad_handlers) 
    45369 File
    45370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45371 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45372 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45373 File
    45374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45375 packages/chimerax/core/session.py", line 943, in <lambda> 
    45376 logger.report_exception(preface=preface)) 
    45377 File
    45378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45379 packages/chimerax/core/logger.py", line 421, in report_exception 
    45380 elif probably_chimera1_session(exc_info): 
    45381 File
    45382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45383 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45384 etype, evalue, etraceback = exc_info 
    45385 TypeError: cannot unpack non-iterable NoneType object 
    45386  
    45387 TypeError: cannot unpack non-iterable NoneType object 
    45388  
    45389 File
    45390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45391 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45392 etype, evalue, etraceback = exc_info 
    45393  
    45394 See log for complete Python traceback. 
    45395  
    45396 Traceback (most recent call last): 
    45397 File
    45398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45399 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45400 return self._func(self._name, data) 
    45401 File
    45402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45403 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45404 if v.display: 
    45405 File
    45406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45407 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45408 return self._any_displayed_positions and len(self._positions) > 0 
    45409 TypeError: object of type 'NoneType' has no len() 
    45410  
    45411 During handling of the above exception, another exception occurred: 
    45412  
    45413 Traceback (most recent call last): 
    45414 File
    45415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45416 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45417 if not self.draw_new_frame(): 
    45418 File
    45419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45420 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45421 changed = view.check_for_drawing_change() 
    45422 File
    45423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45424 packages/chimerax/core/graphics/view.py", line 252, in
    45425 check_for_drawing_change 
    45426 trig.activate_trigger('graphics update', self) 
    45427 File
    45428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45429 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45430 trigger.activate(data) 
    45431 File
    45432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45433 packages/chimerax/core/triggerset.py", line 190, in activate 
    45434 ret = handler.invoke(data, self._remove_bad_handlers) 
    45435 File
    45436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45437 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45438 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45439 File
    45440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45441 packages/chimerax/core/session.py", line 943, in <lambda> 
    45442 logger.report_exception(preface=preface)) 
    45443 File
    45444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45445 packages/chimerax/core/logger.py", line 421, in report_exception 
    45446 elif probably_chimera1_session(exc_info): 
    45447 File
    45448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45449 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45450 etype, evalue, etraceback = exc_info 
    45451 TypeError: cannot unpack non-iterable NoneType object 
    45452  
    45453 TypeError: cannot unpack non-iterable NoneType object 
    45454  
    45455 File
    45456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45457 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45458 etype, evalue, etraceback = exc_info 
    45459  
    45460 See log for complete Python traceback. 
    45461  
    45462 Traceback (most recent call last): 
    45463 File
    45464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45465 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45466 return self._func(self._name, data) 
    45467 File
    45468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45469 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45470 if v.display: 
    45471 File
    45472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45473 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45474 return self._any_displayed_positions and len(self._positions) > 0 
    45475 TypeError: object of type 'NoneType' has no len() 
    45476  
    45477 During handling of the above exception, another exception occurred: 
    45478  
    45479 Traceback (most recent call last): 
    45480 File
    45481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45482 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45483 if not self.draw_new_frame(): 
    45484 File
    45485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45486 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45487 changed = view.check_for_drawing_change() 
    45488 File
    45489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45490 packages/chimerax/core/graphics/view.py", line 252, in
    45491 check_for_drawing_change 
    45492 trig.activate_trigger('graphics update', self) 
    45493 File
    45494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45495 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45496 trigger.activate(data) 
    45497 File
    45498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45499 packages/chimerax/core/triggerset.py", line 190, in activate 
    45500 ret = handler.invoke(data, self._remove_bad_handlers) 
    45501 File
    45502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45503 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45504 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45505 File
    45506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45507 packages/chimerax/core/session.py", line 943, in <lambda> 
    45508 logger.report_exception(preface=preface)) 
    45509 File
    45510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45511 packages/chimerax/core/logger.py", line 421, in report_exception 
    45512 elif probably_chimera1_session(exc_info): 
    45513 File
    45514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45515 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45516 etype, evalue, etraceback = exc_info 
    45517 TypeError: cannot unpack non-iterable NoneType object 
    45518  
    45519 TypeError: cannot unpack non-iterable NoneType object 
    45520  
    45521 File
    45522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45523 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45524 etype, evalue, etraceback = exc_info 
    45525  
    45526 See log for complete Python traceback. 
    45527  
    45528 Traceback (most recent call last): 
    45529 File
    45530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45531 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45532 return self._func(self._name, data) 
    45533 File
    45534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45535 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45536 if v.display: 
    45537 File
    45538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45539 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45540 return self._any_displayed_positions and len(self._positions) > 0 
    45541 TypeError: object of type 'NoneType' has no len() 
    45542  
    45543 During handling of the above exception, another exception occurred: 
    45544  
    45545 Traceback (most recent call last): 
    45546 File
    45547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45548 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45549 if not self.draw_new_frame(): 
    45550 File
    45551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45552 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45553 changed = view.check_for_drawing_change() 
    45554 File
    45555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45556 packages/chimerax/core/graphics/view.py", line 252, in
    45557 check_for_drawing_change 
    45558 trig.activate_trigger('graphics update', self) 
    45559 File
    45560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45561 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45562 trigger.activate(data) 
    45563 File
    45564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45565 packages/chimerax/core/triggerset.py", line 190, in activate 
    45566 ret = handler.invoke(data, self._remove_bad_handlers) 
    45567 File
    45568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45569 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45570 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45571 File
    45572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45573 packages/chimerax/core/session.py", line 943, in <lambda> 
    45574 logger.report_exception(preface=preface)) 
    45575 File
    45576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45577 packages/chimerax/core/logger.py", line 421, in report_exception 
    45578 elif probably_chimera1_session(exc_info): 
    45579 File
    45580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45581 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45582 etype, evalue, etraceback = exc_info 
    45583 TypeError: cannot unpack non-iterable NoneType object 
    45584  
    45585 TypeError: cannot unpack non-iterable NoneType object 
    45586  
    45587 File
    45588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45589 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45590 etype, evalue, etraceback = exc_info 
    45591  
    45592 See log for complete Python traceback. 
    45593  
    45594 Traceback (most recent call last): 
    45595 File
    45596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45597 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45598 return self._func(self._name, data) 
    45599 File
    45600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45601 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45602 if v.display: 
    45603 File
    45604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45605 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45606 return self._any_displayed_positions and len(self._positions) > 0 
    45607 TypeError: object of type 'NoneType' has no len() 
    45608  
    45609 During handling of the above exception, another exception occurred: 
    45610  
    45611 Traceback (most recent call last): 
    45612 File
    45613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45614 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45615 if not self.draw_new_frame(): 
    45616 File
    45617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45618 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45619 changed = view.check_for_drawing_change() 
    45620 File
    45621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45622 packages/chimerax/core/graphics/view.py", line 252, in
    45623 check_for_drawing_change 
    45624 trig.activate_trigger('graphics update', self) 
    45625 File
    45626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45627 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45628 trigger.activate(data) 
    45629 File
    45630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45631 packages/chimerax/core/triggerset.py", line 190, in activate 
    45632 ret = handler.invoke(data, self._remove_bad_handlers) 
    45633 File
    45634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45635 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45636 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45637 File
    45638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45639 packages/chimerax/core/session.py", line 943, in <lambda> 
    45640 logger.report_exception(preface=preface)) 
    45641 File
    45642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45643 packages/chimerax/core/logger.py", line 421, in report_exception 
    45644 elif probably_chimera1_session(exc_info): 
    45645 File
    45646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45647 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45648 etype, evalue, etraceback = exc_info 
    45649 TypeError: cannot unpack non-iterable NoneType object 
    45650  
    45651 TypeError: cannot unpack non-iterable NoneType object 
    45652  
    45653 File
    45654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45655 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45656 etype, evalue, etraceback = exc_info 
    45657  
    45658 See log for complete Python traceback. 
    45659  
    45660 Traceback (most recent call last): 
    45661 File
    45662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45663 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45664 return self._func(self._name, data) 
    45665 File
    45666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45667 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45668 if v.display: 
    45669 File
    45670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45671 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45672 return self._any_displayed_positions and len(self._positions) > 0 
    45673 TypeError: object of type 'NoneType' has no len() 
    45674  
    45675 During handling of the above exception, another exception occurred: 
    45676  
    45677 Traceback (most recent call last): 
    45678 File
    45679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45680 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45681 if not self.draw_new_frame(): 
    45682 File
    45683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45684 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45685 changed = view.check_for_drawing_change() 
    45686 File
    45687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45688 packages/chimerax/core/graphics/view.py", line 252, in
    45689 check_for_drawing_change 
    45690 trig.activate_trigger('graphics update', self) 
    45691 File
    45692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45693 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45694 trigger.activate(data) 
    45695 File
    45696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45697 packages/chimerax/core/triggerset.py", line 190, in activate 
    45698 ret = handler.invoke(data, self._remove_bad_handlers) 
    45699 File
    45700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45701 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45702 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45703 File
    45704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45705 packages/chimerax/core/session.py", line 943, in <lambda> 
    45706 logger.report_exception(preface=preface)) 
    45707 File
    45708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45709 packages/chimerax/core/logger.py", line 421, in report_exception 
    45710 elif probably_chimera1_session(exc_info): 
    45711 File
    45712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45713 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45714 etype, evalue, etraceback = exc_info 
    45715 TypeError: cannot unpack non-iterable NoneType object 
    45716  
    45717 TypeError: cannot unpack non-iterable NoneType object 
    45718  
    45719 File
    45720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45721 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45722 etype, evalue, etraceback = exc_info 
    45723  
    45724 See log for complete Python traceback. 
    45725  
    45726 Traceback (most recent call last): 
    45727 File
    45728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45729 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45730 return self._func(self._name, data) 
    45731 File
    45732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45733 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45734 if v.display: 
    45735 File
    45736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45737 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45738 return self._any_displayed_positions and len(self._positions) > 0 
    45739 TypeError: object of type 'NoneType' has no len() 
    45740  
    45741 During handling of the above exception, another exception occurred: 
    45742  
    45743 Traceback (most recent call last): 
    45744 File
    45745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45746 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45747 if not self.draw_new_frame(): 
    45748 File
    45749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45750 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45751 changed = view.check_for_drawing_change() 
    45752 File
    45753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45754 packages/chimerax/core/graphics/view.py", line 252, in
    45755 check_for_drawing_change 
    45756 trig.activate_trigger('graphics update', self) 
    45757 File
    45758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45759 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45760 trigger.activate(data) 
    45761 File
    45762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45763 packages/chimerax/core/triggerset.py", line 190, in activate 
    45764 ret = handler.invoke(data, self._remove_bad_handlers) 
    45765 File
    45766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45767 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45768 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45769 File
    45770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45771 packages/chimerax/core/session.py", line 943, in <lambda> 
    45772 logger.report_exception(preface=preface)) 
    45773 File
    45774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45775 packages/chimerax/core/logger.py", line 421, in report_exception 
    45776 elif probably_chimera1_session(exc_info): 
    45777 File
    45778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45779 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45780 etype, evalue, etraceback = exc_info 
    45781 TypeError: cannot unpack non-iterable NoneType object 
    45782  
    45783 TypeError: cannot unpack non-iterable NoneType object 
    45784  
    45785 File
    45786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45787 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45788 etype, evalue, etraceback = exc_info 
    45789  
    45790 See log for complete Python traceback. 
    45791  
    45792 Traceback (most recent call last): 
    45793 File
    45794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45795 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45796 return self._func(self._name, data) 
    45797 File
    45798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45799 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45800 if v.display: 
    45801 File
    45802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45803 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45804 return self._any_displayed_positions and len(self._positions) > 0 
    45805 TypeError: object of type 'NoneType' has no len() 
    45806  
    45807 During handling of the above exception, another exception occurred: 
    45808  
    45809 Traceback (most recent call last): 
    45810 File
    45811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45812 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45813 if not self.draw_new_frame(): 
    45814 File
    45815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45816 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45817 changed = view.check_for_drawing_change() 
    45818 File
    45819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45820 packages/chimerax/core/graphics/view.py", line 252, in
    45821 check_for_drawing_change 
    45822 trig.activate_trigger('graphics update', self) 
    45823 File
    45824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45825 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45826 trigger.activate(data) 
    45827 File
    45828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45829 packages/chimerax/core/triggerset.py", line 190, in activate 
    45830 ret = handler.invoke(data, self._remove_bad_handlers) 
    45831 File
    45832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45833 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45834 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45835 File
    45836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45837 packages/chimerax/core/session.py", line 943, in <lambda> 
    45838 logger.report_exception(preface=preface)) 
    45839 File
    45840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45841 packages/chimerax/core/logger.py", line 421, in report_exception 
    45842 elif probably_chimera1_session(exc_info): 
    45843 File
    45844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45845 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45846 etype, evalue, etraceback = exc_info 
    45847 TypeError: cannot unpack non-iterable NoneType object 
    45848  
    45849 TypeError: cannot unpack non-iterable NoneType object 
    45850  
    45851 File
    45852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45853 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45854 etype, evalue, etraceback = exc_info 
    45855  
    45856 See log for complete Python traceback. 
    45857  
    45858 Traceback (most recent call last): 
    45859 File
    45860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45861 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45862 return self._func(self._name, data) 
    45863 File
    45864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45865 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45866 if v.display: 
    45867 File
    45868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45869 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45870 return self._any_displayed_positions and len(self._positions) > 0 
    45871 TypeError: object of type 'NoneType' has no len() 
    45872  
    45873 During handling of the above exception, another exception occurred: 
    45874  
    45875 Traceback (most recent call last): 
    45876 File
    45877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45878 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45879 if not self.draw_new_frame(): 
    45880 File
    45881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45882 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45883 changed = view.check_for_drawing_change() 
    45884 File
    45885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45886 packages/chimerax/core/graphics/view.py", line 252, in
    45887 check_for_drawing_change 
    45888 trig.activate_trigger('graphics update', self) 
    45889 File
    45890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45891 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45892 trigger.activate(data) 
    45893 File
    45894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45895 packages/chimerax/core/triggerset.py", line 190, in activate 
    45896 ret = handler.invoke(data, self._remove_bad_handlers) 
    45897 File
    45898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45899 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45900 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45901 File
    45902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45903 packages/chimerax/core/session.py", line 943, in <lambda> 
    45904 logger.report_exception(preface=preface)) 
    45905 File
    45906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45907 packages/chimerax/core/logger.py", line 421, in report_exception 
    45908 elif probably_chimera1_session(exc_info): 
    45909 File
    45910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45911 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45912 etype, evalue, etraceback = exc_info 
    45913 TypeError: cannot unpack non-iterable NoneType object 
    45914  
    45915 TypeError: cannot unpack non-iterable NoneType object 
    45916  
    45917 File
    45918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45919 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45920 etype, evalue, etraceback = exc_info 
    45921  
    45922 See log for complete Python traceback. 
    45923  
    45924 Traceback (most recent call last): 
    45925 File
    45926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45927 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45928 return self._func(self._name, data) 
    45929 File
    45930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45931 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45932 if v.display: 
    45933 File
    45934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45935 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45936 return self._any_displayed_positions and len(self._positions) > 0 
    45937 TypeError: object of type 'NoneType' has no len() 
    45938  
    45939 During handling of the above exception, another exception occurred: 
    45940  
    45941 Traceback (most recent call last): 
    45942 File
    45943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45944 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45945 if not self.draw_new_frame(): 
    45946 File
    45947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45948 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45949 changed = view.check_for_drawing_change() 
    45950 File
    45951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45952 packages/chimerax/core/graphics/view.py", line 252, in
    45953 check_for_drawing_change 
    45954 trig.activate_trigger('graphics update', self) 
    45955 File
    45956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45957 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45958 trigger.activate(data) 
    45959 File
    45960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45961 packages/chimerax/core/triggerset.py", line 190, in activate 
    45962 ret = handler.invoke(data, self._remove_bad_handlers) 
    45963 File
    45964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45965 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45966 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45967 File
    45968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45969 packages/chimerax/core/session.py", line 943, in <lambda> 
    45970 logger.report_exception(preface=preface)) 
    45971 File
    45972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45973 packages/chimerax/core/logger.py", line 421, in report_exception 
    45974 elif probably_chimera1_session(exc_info): 
    45975 File
    45976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45977 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45978 etype, evalue, etraceback = exc_info 
    45979 TypeError: cannot unpack non-iterable NoneType object 
    45980  
    45981 TypeError: cannot unpack non-iterable NoneType object 
    45982  
    45983 File
    45984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45985 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45986 etype, evalue, etraceback = exc_info 
    45987  
    45988 See log for complete Python traceback. 
    45989  
    45990 Traceback (most recent call last): 
    45991 File
    45992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45993 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45994 return self._func(self._name, data) 
    45995 File
    45996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45997 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45998 if v.display: 
    45999 File
    46000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46001 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46002 return self._any_displayed_positions and len(self._positions) > 0 
    46003 TypeError: object of type 'NoneType' has no len() 
    46004  
    46005 During handling of the above exception, another exception occurred: 
    46006  
    46007 Traceback (most recent call last): 
    46008 File
    46009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46010 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46011 if not self.draw_new_frame(): 
    46012 File
    46013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46014 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46015 changed = view.check_for_drawing_change() 
    46016 File
    46017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46018 packages/chimerax/core/graphics/view.py", line 252, in
    46019 check_for_drawing_change 
    46020 trig.activate_trigger('graphics update', self) 
    46021 File
    46022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46023 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46024 trigger.activate(data) 
    46025 File
    46026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46027 packages/chimerax/core/triggerset.py", line 190, in activate 
    46028 ret = handler.invoke(data, self._remove_bad_handlers) 
    46029 File
    46030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46031 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46032 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46033 File
    46034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46035 packages/chimerax/core/session.py", line 943, in <lambda> 
    46036 logger.report_exception(preface=preface)) 
    46037 File
    46038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46039 packages/chimerax/core/logger.py", line 421, in report_exception 
    46040 elif probably_chimera1_session(exc_info): 
    46041 File
    46042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46043 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46044 etype, evalue, etraceback = exc_info 
    46045 TypeError: cannot unpack non-iterable NoneType object 
    46046  
    46047 TypeError: cannot unpack non-iterable NoneType object 
    46048  
    46049 File
    46050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46051 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46052 etype, evalue, etraceback = exc_info 
    46053  
    46054 See log for complete Python traceback. 
    46055  
    46056 Traceback (most recent call last): 
    46057 File
    46058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46059 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46060 return self._func(self._name, data) 
    46061 File
    46062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46063 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46064 if v.display: 
    46065 File
    46066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46067 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46068 return self._any_displayed_positions and len(self._positions) > 0 
    46069 TypeError: object of type 'NoneType' has no len() 
    46070  
    46071 During handling of the above exception, another exception occurred: 
    46072  
    46073 Traceback (most recent call last): 
    46074 File
    46075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46076 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46077 if not self.draw_new_frame(): 
    46078 File
    46079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46080 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46081 changed = view.check_for_drawing_change() 
    46082 File
    46083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46084 packages/chimerax/core/graphics/view.py", line 252, in
    46085 check_for_drawing_change 
    46086 trig.activate_trigger('graphics update', self) 
    46087 File
    46088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46089 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46090 trigger.activate(data) 
    46091 File
    46092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46093 packages/chimerax/core/triggerset.py", line 190, in activate 
    46094 ret = handler.invoke(data, self._remove_bad_handlers) 
    46095 File
    46096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46097 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46098 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46099 File
    46100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46101 packages/chimerax/core/session.py", line 943, in <lambda> 
    46102 logger.report_exception(preface=preface)) 
    46103 File
    46104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46105 packages/chimerax/core/logger.py", line 421, in report_exception 
    46106 elif probably_chimera1_session(exc_info): 
    46107 File
    46108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46109 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46110 etype, evalue, etraceback = exc_info 
    46111 TypeError: cannot unpack non-iterable NoneType object 
    46112  
    46113 TypeError: cannot unpack non-iterable NoneType object 
    46114  
    46115 File
    46116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46117 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46118 etype, evalue, etraceback = exc_info 
    46119  
    46120 See log for complete Python traceback. 
    46121  
    46122 Traceback (most recent call last): 
    46123 File
    46124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46125 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46126 return self._func(self._name, data) 
    46127 File
    46128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46129 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46130 if v.display: 
    46131 File
    46132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46133 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46134 return self._any_displayed_positions and len(self._positions) > 0 
    46135 TypeError: object of type 'NoneType' has no len() 
    46136  
    46137 During handling of the above exception, another exception occurred: 
    46138  
    46139 Traceback (most recent call last): 
    46140 File
    46141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46142 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46143 if not self.draw_new_frame(): 
    46144 File
    46145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46146 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46147 changed = view.check_for_drawing_change() 
    46148 File
    46149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46150 packages/chimerax/core/graphics/view.py", line 252, in
    46151 check_for_drawing_change 
    46152 trig.activate_trigger('graphics update', self) 
    46153 File
    46154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46155 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46156 trigger.activate(data) 
    46157 File
    46158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46159 packages/chimerax/core/triggerset.py", line 190, in activate 
    46160 ret = handler.invoke(data, self._remove_bad_handlers) 
    46161 File
    46162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46163 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46164 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46165 File
    46166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46167 packages/chimerax/core/session.py", line 943, in <lambda> 
    46168 logger.report_exception(preface=preface)) 
    46169 File
    46170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46171 packages/chimerax/core/logger.py", line 421, in report_exception 
    46172 elif probably_chimera1_session(exc_info): 
    46173 File
    46174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46175 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46176 etype, evalue, etraceback = exc_info 
    46177 TypeError: cannot unpack non-iterable NoneType object 
    46178  
    46179 TypeError: cannot unpack non-iterable NoneType object 
    46180  
    46181 File
    46182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46183 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46184 etype, evalue, etraceback = exc_info 
    46185  
    46186 See log for complete Python traceback. 
    46187  
    46188 Traceback (most recent call last): 
    46189 File
    46190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46191 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46192 return self._func(self._name, data) 
    46193 File
    46194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46195 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46196 if v.display: 
    46197 File
    46198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46199 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46200 return self._any_displayed_positions and len(self._positions) > 0 
    46201 TypeError: object of type 'NoneType' has no len() 
    46202  
    46203 During handling of the above exception, another exception occurred: 
    46204  
    46205 Traceback (most recent call last): 
    46206 File
    46207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46208 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46209 if not self.draw_new_frame(): 
    46210 File
    46211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46212 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46213 changed = view.check_for_drawing_change() 
    46214 File
    46215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46216 packages/chimerax/core/graphics/view.py", line 252, in
    46217 check_for_drawing_change 
    46218 trig.activate_trigger('graphics update', self) 
    46219 File
    46220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46221 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46222 trigger.activate(data) 
    46223 File
    46224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46225 packages/chimerax/core/triggerset.py", line 190, in activate 
    46226 ret = handler.invoke(data, self._remove_bad_handlers) 
    46227 File
    46228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46229 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46230 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46231 File
    46232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46233 packages/chimerax/core/session.py", line 943, in <lambda> 
    46234 logger.report_exception(preface=preface)) 
    46235 File
    46236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46237 packages/chimerax/core/logger.py", line 421, in report_exception 
    46238 elif probably_chimera1_session(exc_info): 
    46239 File
    46240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46241 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46242 etype, evalue, etraceback = exc_info 
    46243 TypeError: cannot unpack non-iterable NoneType object 
    46244  
    46245 TypeError: cannot unpack non-iterable NoneType object 
    46246  
    46247 File
    46248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46249 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46250 etype, evalue, etraceback = exc_info 
    46251  
    46252 See log for complete Python traceback. 
    46253  
    46254 Traceback (most recent call last): 
    46255 File
    46256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46257 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46258 return self._func(self._name, data) 
    46259 File
    46260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46261 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46262 if v.display: 
    46263 File
    46264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46265 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46266 return self._any_displayed_positions and len(self._positions) > 0 
    46267 TypeError: object of type 'NoneType' has no len() 
    46268  
    46269 During handling of the above exception, another exception occurred: 
    46270  
    46271 Traceback (most recent call last): 
    46272 File
    46273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46274 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46275 if not self.draw_new_frame(): 
    46276 File
    46277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46278 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46279 changed = view.check_for_drawing_change() 
    46280 File
    46281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46282 packages/chimerax/core/graphics/view.py", line 252, in
    46283 check_for_drawing_change 
    46284 trig.activate_trigger('graphics update', self) 
    46285 File
    46286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46287 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46288 trigger.activate(data) 
    46289 File
    46290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46291 packages/chimerax/core/triggerset.py", line 190, in activate 
    46292 ret = handler.invoke(data, self._remove_bad_handlers) 
    46293 File
    46294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46295 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46296 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46297 File
    46298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46299 packages/chimerax/core/session.py", line 943, in <lambda> 
    46300 logger.report_exception(preface=preface)) 
    46301 File
    46302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46303 packages/chimerax/core/logger.py", line 421, in report_exception 
    46304 elif probably_chimera1_session(exc_info): 
    46305 File
    46306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46307 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46308 etype, evalue, etraceback = exc_info 
    46309 TypeError: cannot unpack non-iterable NoneType object 
    46310  
    46311 TypeError: cannot unpack non-iterable NoneType object 
    46312  
    46313 File
    46314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46315 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46316 etype, evalue, etraceback = exc_info 
    46317  
    46318 See log for complete Python traceback. 
    46319  
    46320 Traceback (most recent call last): 
    46321 File
    46322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46323 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46324 return self._func(self._name, data) 
    46325 File
    46326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46327 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46328 if v.display: 
    46329 File
    46330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46331 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46332 return self._any_displayed_positions and len(self._positions) > 0 
    46333 TypeError: object of type 'NoneType' has no len() 
    46334  
    46335 During handling of the above exception, another exception occurred: 
    46336  
    46337 Traceback (most recent call last): 
    46338 File
    46339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46340 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46341 if not self.draw_new_frame(): 
    46342 File
    46343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46344 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46345 changed = view.check_for_drawing_change() 
    46346 File
    46347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46348 packages/chimerax/core/graphics/view.py", line 252, in
    46349 check_for_drawing_change 
    46350 trig.activate_trigger('graphics update', self) 
    46351 File
    46352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46353 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46354 trigger.activate(data) 
    46355 File
    46356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46357 packages/chimerax/core/triggerset.py", line 190, in activate 
    46358 ret = handler.invoke(data, self._remove_bad_handlers) 
    46359 File
    46360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46361 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46362 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46363 File
    46364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46365 packages/chimerax/core/session.py", line 943, in <lambda> 
    46366 logger.report_exception(preface=preface)) 
    46367 File
    46368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46369 packages/chimerax/core/logger.py", line 421, in report_exception 
    46370 elif probably_chimera1_session(exc_info): 
    46371 File
    46372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46373 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46374 etype, evalue, etraceback = exc_info 
    46375 TypeError: cannot unpack non-iterable NoneType object 
    46376  
    46377 TypeError: cannot unpack non-iterable NoneType object 
    46378  
    46379 File
    46380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46381 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46382 etype, evalue, etraceback = exc_info 
    46383  
    46384 See log for complete Python traceback. 
    46385  
    46386 Traceback (most recent call last): 
    46387 File
    46388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46389 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46390 return self._func(self._name, data) 
    46391 File
    46392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46393 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46394 if v.display: 
    46395 File
    46396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46397 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46398 return self._any_displayed_positions and len(self._positions) > 0 
    46399 TypeError: object of type 'NoneType' has no len() 
    46400  
    46401 During handling of the above exception, another exception occurred: 
    46402  
    46403 Traceback (most recent call last): 
    46404 File
    46405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46406 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46407 if not self.draw_new_frame(): 
    46408 File
    46409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46410 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46411 changed = view.check_for_drawing_change() 
    46412 File
    46413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46414 packages/chimerax/core/graphics/view.py", line 252, in
    46415 check_for_drawing_change 
    46416 trig.activate_trigger('graphics update', self) 
    46417 File
    46418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46419 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46420 trigger.activate(data) 
    46421 File
    46422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46423 packages/chimerax/core/triggerset.py", line 190, in activate 
    46424 ret = handler.invoke(data, self._remove_bad_handlers) 
    46425 File
    46426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46427 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46428 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46429 File
    46430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46431 packages/chimerax/core/session.py", line 943, in <lambda> 
    46432 logger.report_exception(preface=preface)) 
    46433 File
    46434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46435 packages/chimerax/core/logger.py", line 421, in report_exception 
    46436 elif probably_chimera1_session(exc_info): 
    46437 File
    46438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46439 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46440 etype, evalue, etraceback = exc_info 
    46441 TypeError: cannot unpack non-iterable NoneType object 
    46442  
    46443 TypeError: cannot unpack non-iterable NoneType object 
    46444  
    46445 File
    46446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46447 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46448 etype, evalue, etraceback = exc_info 
    46449  
    46450 See log for complete Python traceback. 
    46451  
    46452 Traceback (most recent call last): 
    46453 File
    46454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46455 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46456 return self._func(self._name, data) 
    46457 File
    46458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46459 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46460 if v.display: 
    46461 File
    46462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46463 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46464 return self._any_displayed_positions and len(self._positions) > 0 
    46465 TypeError: object of type 'NoneType' has no len() 
    46466  
    46467 During handling of the above exception, another exception occurred: 
    46468  
    46469 Traceback (most recent call last): 
    46470 File
    46471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46472 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46473 if not self.draw_new_frame(): 
    46474 File
    46475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46476 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46477 changed = view.check_for_drawing_change() 
    46478 File
    46479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46480 packages/chimerax/core/graphics/view.py", line 252, in
    46481 check_for_drawing_change 
    46482 trig.activate_trigger('graphics update', self) 
    46483 File
    46484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46485 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46486 trigger.activate(data) 
    46487 File
    46488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46489 packages/chimerax/core/triggerset.py", line 190, in activate 
    46490 ret = handler.invoke(data, self._remove_bad_handlers) 
    46491 File
    46492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46493 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46494 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46495 File
    46496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46497 packages/chimerax/core/session.py", line 943, in <lambda> 
    46498 logger.report_exception(preface=preface)) 
    46499 File
    46500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46501 packages/chimerax/core/logger.py", line 421, in report_exception 
    46502 elif probably_chimera1_session(exc_info): 
    46503 File
    46504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46505 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46506 etype, evalue, etraceback = exc_info 
    46507 TypeError: cannot unpack non-iterable NoneType object 
    46508  
    46509 TypeError: cannot unpack non-iterable NoneType object 
    46510  
    46511 File
    46512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46513 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46514 etype, evalue, etraceback = exc_info 
    46515  
    46516 See log for complete Python traceback. 
    46517  
    46518 Traceback (most recent call last): 
    46519 File
    46520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46521 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46522 return self._func(self._name, data) 
    46523 File
    46524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46525 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46526 if v.display: 
    46527 File
    46528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46529 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46530 return self._any_displayed_positions and len(self._positions) > 0 
    46531 TypeError: object of type 'NoneType' has no len() 
    46532  
    46533 During handling of the above exception, another exception occurred: 
    46534  
    46535 Traceback (most recent call last): 
    46536 File
    46537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46538 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46539 if not self.draw_new_frame(): 
    46540 File
    46541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46542 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46543 changed = view.check_for_drawing_change() 
    46544 File
    46545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46546 packages/chimerax/core/graphics/view.py", line 252, in
    46547 check_for_drawing_change 
    46548 trig.activate_trigger('graphics update', self) 
    46549 File
    46550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46551 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46552 trigger.activate(data) 
    46553 File
    46554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46555 packages/chimerax/core/triggerset.py", line 190, in activate 
    46556 ret = handler.invoke(data, self._remove_bad_handlers) 
    46557 File
    46558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46559 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46560 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46561 File
    46562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46563 packages/chimerax/core/session.py", line 943, in <lambda> 
    46564 logger.report_exception(preface=preface)) 
    46565 File
    46566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46567 packages/chimerax/core/logger.py", line 421, in report_exception 
    46568 elif probably_chimera1_session(exc_info): 
    46569 File
    46570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46571 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46572 etype, evalue, etraceback = exc_info 
    46573 TypeError: cannot unpack non-iterable NoneType object 
    46574  
    46575 TypeError: cannot unpack non-iterable NoneType object 
    46576  
    46577 File
    46578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46579 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46580 etype, evalue, etraceback = exc_info 
    46581  
    46582 See log for complete Python traceback. 
    46583  
    46584 Traceback (most recent call last): 
    46585 File
    46586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46587 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46588 return self._func(self._name, data) 
    46589 File
    46590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46591 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46592 if v.display: 
    46593 File
    46594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46595 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46596 return self._any_displayed_positions and len(self._positions) > 0 
    46597 TypeError: object of type 'NoneType' has no len() 
    46598  
    46599 During handling of the above exception, another exception occurred: 
    46600  
    46601 Traceback (most recent call last): 
    46602 File
    46603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46604 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46605 if not self.draw_new_frame(): 
    46606 File
    46607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46608 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46609 changed = view.check_for_drawing_change() 
    46610 File
    46611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46612 packages/chimerax/core/graphics/view.py", line 252, in
    46613 check_for_drawing_change 
    46614 trig.activate_trigger('graphics update', self) 
    46615 File
    46616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46617 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46618 trigger.activate(data) 
    46619 File
    46620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46621 packages/chimerax/core/triggerset.py", line 190, in activate 
    46622 ret = handler.invoke(data, self._remove_bad_handlers) 
    46623 File
    46624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46625 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46626 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46627 File
    46628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46629 packages/chimerax/core/session.py", line 943, in <lambda> 
    46630 logger.report_exception(preface=preface)) 
    46631 File
    46632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46633 packages/chimerax/core/logger.py", line 421, in report_exception 
    46634 elif probably_chimera1_session(exc_info): 
    46635 File
    46636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46637 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46638 etype, evalue, etraceback = exc_info 
    46639 TypeError: cannot unpack non-iterable NoneType object 
    46640  
    46641 TypeError: cannot unpack non-iterable NoneType object 
    46642  
    46643 File
    46644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46645 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46646 etype, evalue, etraceback = exc_info 
    46647  
    46648 See log for complete Python traceback. 
    46649  
    46650 Traceback (most recent call last): 
    46651 File
    46652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46653 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46654 return self._func(self._name, data) 
    46655 File
    46656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46657 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46658 if v.display: 
    46659 File
    46660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46661 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46662 return self._any_displayed_positions and len(self._positions) > 0 
    46663 TypeError: object of type 'NoneType' has no len() 
    46664  
    46665 During handling of the above exception, another exception occurred: 
    46666  
    46667 Traceback (most recent call last): 
    46668 File
    46669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46670 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46671 if not self.draw_new_frame(): 
    46672 File
    46673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46674 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46675 changed = view.check_for_drawing_change() 
    46676 File
    46677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46678 packages/chimerax/core/graphics/view.py", line 252, in
    46679 check_for_drawing_change 
    46680 trig.activate_trigger('graphics update', self) 
    46681 File
    46682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46683 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46684 trigger.activate(data) 
    46685 File
    46686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46687 packages/chimerax/core/triggerset.py", line 190, in activate 
    46688 ret = handler.invoke(data, self._remove_bad_handlers) 
    46689 File
    46690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46691 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46692 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46693 File
    46694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46695 packages/chimerax/core/session.py", line 943, in <lambda> 
    46696 logger.report_exception(preface=preface)) 
    46697 File
    46698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46699 packages/chimerax/core/logger.py", line 421, in report_exception 
    46700 elif probably_chimera1_session(exc_info): 
    46701 File
    46702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46703 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46704 etype, evalue, etraceback = exc_info 
    46705 TypeError: cannot unpack non-iterable NoneType object 
    46706  
    46707 TypeError: cannot unpack non-iterable NoneType object 
    46708  
    46709 File
    46710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46711 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46712 etype, evalue, etraceback = exc_info 
    46713  
    46714 See log for complete Python traceback. 
    46715  
    46716 Traceback (most recent call last): 
    46717 File
    46718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46719 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46720 return self._func(self._name, data) 
    46721 File
    46722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46723 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46724 if v.display: 
    46725 File
    46726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46727 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46728 return self._any_displayed_positions and len(self._positions) > 0 
    46729 TypeError: object of type 'NoneType' has no len() 
    46730  
    46731 During handling of the above exception, another exception occurred: 
    46732  
    46733 Traceback (most recent call last): 
    46734 File
    46735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46736 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46737 if not self.draw_new_frame(): 
    46738 File
    46739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46740 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46741 changed = view.check_for_drawing_change() 
    46742 File
    46743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46744 packages/chimerax/core/graphics/view.py", line 252, in
    46745 check_for_drawing_change 
    46746 trig.activate_trigger('graphics update', self) 
    46747 File
    46748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46749 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46750 trigger.activate(data) 
    46751 File
    46752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46753 packages/chimerax/core/triggerset.py", line 190, in activate 
    46754 ret = handler.invoke(data, self._remove_bad_handlers) 
    46755 File
    46756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46757 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46758 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46759 File
    46760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46761 packages/chimerax/core/session.py", line 943, in <lambda> 
    46762 logger.report_exception(preface=preface)) 
    46763 File
    46764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46765 packages/chimerax/core/logger.py", line 421, in report_exception 
    46766 elif probably_chimera1_session(exc_info): 
    46767 File
    46768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46769 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46770 etype, evalue, etraceback = exc_info 
    46771 TypeError: cannot unpack non-iterable NoneType object 
    46772  
    46773 TypeError: cannot unpack non-iterable NoneType object 
    46774  
    46775 File
    46776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46777 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46778 etype, evalue, etraceback = exc_info 
    46779  
    46780 See log for complete Python traceback. 
    46781  
    46782 Traceback (most recent call last): 
    46783 File
    46784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46785 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46786 return self._func(self._name, data) 
    46787 File
    46788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46789 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46790 if v.display: 
    46791 File
    46792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46793 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46794 return self._any_displayed_positions and len(self._positions) > 0 
    46795 TypeError: object of type 'NoneType' has no len() 
    46796  
    46797 During handling of the above exception, another exception occurred: 
    46798  
    46799 Traceback (most recent call last): 
    46800 File
    46801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46802 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46803 if not self.draw_new_frame(): 
    46804 File
    46805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46806 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46807 changed = view.check_for_drawing_change() 
    46808 File
    46809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46810 packages/chimerax/core/graphics/view.py", line 252, in
    46811 check_for_drawing_change 
    46812 trig.activate_trigger('graphics update', self) 
    46813 File
    46814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46815 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46816 trigger.activate(data) 
    46817 File
    46818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46819 packages/chimerax/core/triggerset.py", line 190, in activate 
    46820 ret = handler.invoke(data, self._remove_bad_handlers) 
    46821 File
    46822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46823 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46824 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46825 File
    46826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46827 packages/chimerax/core/session.py", line 943, in <lambda> 
    46828 logger.report_exception(preface=preface)) 
    46829 File
    46830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46831 packages/chimerax/core/logger.py", line 421, in report_exception 
    46832 elif probably_chimera1_session(exc_info): 
    46833 File
    46834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46835 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46836 etype, evalue, etraceback = exc_info 
    46837 TypeError: cannot unpack non-iterable NoneType object 
    46838  
    46839 TypeError: cannot unpack non-iterable NoneType object 
    46840  
    46841 File
    46842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46843 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46844 etype, evalue, etraceback = exc_info 
    46845  
    46846 See log for complete Python traceback. 
    46847  
    46848 Traceback (most recent call last): 
    46849 File
    46850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46851 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46852 return self._func(self._name, data) 
    46853 File
    46854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46855 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46856 if v.display: 
    46857 File
    46858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46859 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46860 return self._any_displayed_positions and len(self._positions) > 0 
    46861 TypeError: object of type 'NoneType' has no len() 
    46862  
    46863 During handling of the above exception, another exception occurred: 
    46864  
    46865 Traceback (most recent call last): 
    46866 File
    46867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46868 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46869 if not self.draw_new_frame(): 
    46870 File
    46871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46872 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46873 changed = view.check_for_drawing_change() 
    46874 File
    46875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46876 packages/chimerax/core/graphics/view.py", line 252, in
    46877 check_for_drawing_change 
    46878 trig.activate_trigger('graphics update', self) 
    46879 File
    46880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46881 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46882 trigger.activate(data) 
    46883 File
    46884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46885 packages/chimerax/core/triggerset.py", line 190, in activate 
    46886 ret = handler.invoke(data, self._remove_bad_handlers) 
    46887 File
    46888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46889 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46890 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46891 File
    46892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46893 packages/chimerax/core/session.py", line 943, in <lambda> 
    46894 logger.report_exception(preface=preface)) 
    46895 File
    46896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46897 packages/chimerax/core/logger.py", line 421, in report_exception 
    46898 elif probably_chimera1_session(exc_info): 
    46899 File
    46900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46901 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46902 etype, evalue, etraceback = exc_info 
    46903 TypeError: cannot unpack non-iterable NoneType object 
    46904  
    46905 TypeError: cannot unpack non-iterable NoneType object 
    46906  
    46907 File
    46908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46909 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46910 etype, evalue, etraceback = exc_info 
    46911  
    46912 See log for complete Python traceback. 
    46913  
    46914 Traceback (most recent call last): 
    46915 File
    46916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46917 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46918 return self._func(self._name, data) 
    46919 File
    46920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46921 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46922 if v.display: 
    46923 File
    46924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46925 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46926 return self._any_displayed_positions and len(self._positions) > 0 
    46927 TypeError: object of type 'NoneType' has no len() 
    46928  
    46929 During handling of the above exception, another exception occurred: 
    46930  
    46931 Traceback (most recent call last): 
    46932 File
    46933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46934 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46935 if not self.draw_new_frame(): 
    46936 File
    46937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46938 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46939 changed = view.check_for_drawing_change() 
    46940 File
    46941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46942 packages/chimerax/core/graphics/view.py", line 252, in
    46943 check_for_drawing_change 
    46944 trig.activate_trigger('graphics update', self) 
    46945 File
    46946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46947 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46948 trigger.activate(data) 
    46949 File
    46950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46951 packages/chimerax/core/triggerset.py", line 190, in activate 
    46952 ret = handler.invoke(data, self._remove_bad_handlers) 
    46953 File
    46954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46955 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46956 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46957 File
    46958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46959 packages/chimerax/core/session.py", line 943, in <lambda> 
    46960 logger.report_exception(preface=preface)) 
    46961 File
    46962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46963 packages/chimerax/core/logger.py", line 421, in report_exception 
    46964 elif probably_chimera1_session(exc_info): 
    46965 File
    46966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46967 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46968 etype, evalue, etraceback = exc_info 
    46969 TypeError: cannot unpack non-iterable NoneType object 
    46970  
    46971 TypeError: cannot unpack non-iterable NoneType object 
    46972  
    46973 File
    46974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46975 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46976 etype, evalue, etraceback = exc_info 
    46977  
    46978 See log for complete Python traceback. 
    46979  
    46980 Traceback (most recent call last): 
    46981 File
    46982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46983 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46984 return self._func(self._name, data) 
    46985 File
    46986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46987 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46988 if v.display: 
    46989 File
    46990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46991 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46992 return self._any_displayed_positions and len(self._positions) > 0 
    46993 TypeError: object of type 'NoneType' has no len() 
    46994  
    46995 During handling of the above exception, another exception occurred: 
    46996  
    46997 Traceback (most recent call last): 
    46998 File
    46999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47000 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47001 if not self.draw_new_frame(): 
    47002 File
    47003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47004 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47005 changed = view.check_for_drawing_change() 
    47006 File
    47007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47008 packages/chimerax/core/graphics/view.py", line 252, in
    47009 check_for_drawing_change 
    47010 trig.activate_trigger('graphics update', self) 
    47011 File
    47012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47013 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47014 trigger.activate(data) 
    47015 File
    47016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47017 packages/chimerax/core/triggerset.py", line 190, in activate 
    47018 ret = handler.invoke(data, self._remove_bad_handlers) 
    47019 File
    47020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47021 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47022 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47023 File
    47024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47025 packages/chimerax/core/session.py", line 943, in <lambda> 
    47026 logger.report_exception(preface=preface)) 
    47027 File
    47028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47029 packages/chimerax/core/logger.py", line 421, in report_exception 
    47030 elif probably_chimera1_session(exc_info): 
    47031 File
    47032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47033 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47034 etype, evalue, etraceback = exc_info 
    47035 TypeError: cannot unpack non-iterable NoneType object 
    47036  
    47037 TypeError: cannot unpack non-iterable NoneType object 
    47038  
    47039 File
    47040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47041 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47042 etype, evalue, etraceback = exc_info 
    47043  
    47044 See log for complete Python traceback. 
    47045  
    47046 Traceback (most recent call last): 
    47047 File
    47048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47049 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47050 return self._func(self._name, data) 
    47051 File
    47052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47053 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47054 if v.display: 
    47055 File
    47056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47057 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47058 return self._any_displayed_positions and len(self._positions) > 0 
    47059 TypeError: object of type 'NoneType' has no len() 
    47060  
    47061 During handling of the above exception, another exception occurred: 
    47062  
    47063 Traceback (most recent call last): 
    47064 File
    47065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47066 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47067 if not self.draw_new_frame(): 
    47068 File
    47069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47070 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47071 changed = view.check_for_drawing_change() 
    47072 File
    47073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47074 packages/chimerax/core/graphics/view.py", line 252, in
    47075 check_for_drawing_change 
    47076 trig.activate_trigger('graphics update', self) 
    47077 File
    47078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47079 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47080 trigger.activate(data) 
    47081 File
    47082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47083 packages/chimerax/core/triggerset.py", line 190, in activate 
    47084 ret = handler.invoke(data, self._remove_bad_handlers) 
    47085 File
    47086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47087 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47088 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47089 File
    47090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47091 packages/chimerax/core/session.py", line 943, in <lambda> 
    47092 logger.report_exception(preface=preface)) 
    47093 File
    47094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47095 packages/chimerax/core/logger.py", line 421, in report_exception 
    47096 elif probably_chimera1_session(exc_info): 
    47097 File
    47098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47099 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47100 etype, evalue, etraceback = exc_info 
    47101 TypeError: cannot unpack non-iterable NoneType object 
    47102  
    47103 TypeError: cannot unpack non-iterable NoneType object 
    47104  
    47105 File
    47106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47107 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47108 etype, evalue, etraceback = exc_info 
    47109  
    47110 See log for complete Python traceback. 
    47111  
    47112 Traceback (most recent call last): 
    47113 File
    47114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47115 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47116 return self._func(self._name, data) 
    47117 File
    47118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47119 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47120 if v.display: 
    47121 File
    47122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47123 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47124 return self._any_displayed_positions and len(self._positions) > 0 
    47125 TypeError: object of type 'NoneType' has no len() 
    47126  
    47127 During handling of the above exception, another exception occurred: 
    47128  
    47129 Traceback (most recent call last): 
    47130 File
    47131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47132 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47133 if not self.draw_new_frame(): 
    47134 File
    47135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47136 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47137 changed = view.check_for_drawing_change() 
    47138 File
    47139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47140 packages/chimerax/core/graphics/view.py", line 252, in
    47141 check_for_drawing_change 
    47142 trig.activate_trigger('graphics update', self) 
    47143 File
    47144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47145 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47146 trigger.activate(data) 
    47147 File
    47148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47149 packages/chimerax/core/triggerset.py", line 190, in activate 
    47150 ret = handler.invoke(data, self._remove_bad_handlers) 
    47151 File
    47152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47153 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47154 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47155 File
    47156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47157 packages/chimerax/core/session.py", line 943, in <lambda> 
    47158 logger.report_exception(preface=preface)) 
    47159 File
    47160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47161 packages/chimerax/core/logger.py", line 421, in report_exception 
    47162 elif probably_chimera1_session(exc_info): 
    47163 File
    47164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47165 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47166 etype, evalue, etraceback = exc_info 
    47167 TypeError: cannot unpack non-iterable NoneType object 
    47168  
    47169 TypeError: cannot unpack non-iterable NoneType object 
    47170  
    47171 File
    47172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47173 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47174 etype, evalue, etraceback = exc_info 
    47175  
    47176 See log for complete Python traceback. 
    47177  
    47178 Traceback (most recent call last): 
    47179 File
    47180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47181 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47182 return self._func(self._name, data) 
    47183 File
    47184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47185 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47186 if v.display: 
    47187 File
    47188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47189 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47190 return self._any_displayed_positions and len(self._positions) > 0 
    47191 TypeError: object of type 'NoneType' has no len() 
    47192  
    47193 During handling of the above exception, another exception occurred: 
    47194  
    47195 Traceback (most recent call last): 
    47196 File
    47197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47198 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47199 if not self.draw_new_frame(): 
    47200 File
    47201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47202 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47203 changed = view.check_for_drawing_change() 
    47204 File
    47205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47206 packages/chimerax/core/graphics/view.py", line 252, in
    47207 check_for_drawing_change 
    47208 trig.activate_trigger('graphics update', self) 
    47209 File
    47210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47211 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47212 trigger.activate(data) 
    47213 File
    47214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47215 packages/chimerax/core/triggerset.py", line 190, in activate 
    47216 ret = handler.invoke(data, self._remove_bad_handlers) 
    47217 File
    47218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47219 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47220 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47221 File
    47222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47223 packages/chimerax/core/session.py", line 943, in <lambda> 
    47224 logger.report_exception(preface=preface)) 
    47225 File
    47226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47227 packages/chimerax/core/logger.py", line 421, in report_exception 
    47228 elif probably_chimera1_session(exc_info): 
    47229 File
    47230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47231 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47232 etype, evalue, etraceback = exc_info 
    47233 TypeError: cannot unpack non-iterable NoneType object 
    47234  
    47235 TypeError: cannot unpack non-iterable NoneType object 
    47236  
    47237 File
    47238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47239 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47240 etype, evalue, etraceback = exc_info 
    47241  
    47242 See log for complete Python traceback. 
    47243  
    47244 Traceback (most recent call last): 
    47245 File
    47246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47247 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47248 return self._func(self._name, data) 
    47249 File
    47250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47251 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47252 if v.display: 
    47253 File
    47254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47255 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47256 return self._any_displayed_positions and len(self._positions) > 0 
    47257 TypeError: object of type 'NoneType' has no len() 
    47258  
    47259 During handling of the above exception, another exception occurred: 
    47260  
    47261 Traceback (most recent call last): 
    47262 File
    47263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47264 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47265 if not self.draw_new_frame(): 
    47266 File
    47267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47268 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47269 changed = view.check_for_drawing_change() 
    47270 File
    47271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47272 packages/chimerax/core/graphics/view.py", line 252, in
    47273 check_for_drawing_change 
    47274 trig.activate_trigger('graphics update', self) 
    47275 File
    47276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47277 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47278 trigger.activate(data) 
    47279 File
    47280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47281 packages/chimerax/core/triggerset.py", line 190, in activate 
    47282 ret = handler.invoke(data, self._remove_bad_handlers) 
    47283 File
    47284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47285 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47286 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47287 File
    47288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47289 packages/chimerax/core/session.py", line 943, in <lambda> 
    47290 logger.report_exception(preface=preface)) 
    47291 File
    47292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47293 packages/chimerax/core/logger.py", line 421, in report_exception 
    47294 elif probably_chimera1_session(exc_info): 
    47295 File
    47296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47297 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47298 etype, evalue, etraceback = exc_info 
    47299 TypeError: cannot unpack non-iterable NoneType object 
    47300  
    47301 TypeError: cannot unpack non-iterable NoneType object 
    47302  
    47303 File
    47304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47305 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47306 etype, evalue, etraceback = exc_info 
    47307  
    47308 See log for complete Python traceback. 
    47309  
    47310 Traceback (most recent call last): 
    47311 File
    47312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47313 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47314 return self._func(self._name, data) 
    47315 File
    47316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47317 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47318 if v.display: 
    47319 File
    47320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47321 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47322 return self._any_displayed_positions and len(self._positions) > 0 
    47323 TypeError: object of type 'NoneType' has no len() 
    47324  
    47325 During handling of the above exception, another exception occurred: 
    47326  
    47327 Traceback (most recent call last): 
    47328 File
    47329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47330 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47331 if not self.draw_new_frame(): 
    47332 File
    47333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47334 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47335 changed = view.check_for_drawing_change() 
    47336 File
    47337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47338 packages/chimerax/core/graphics/view.py", line 252, in
    47339 check_for_drawing_change 
    47340 trig.activate_trigger('graphics update', self) 
    47341 File
    47342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47343 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47344 trigger.activate(data) 
    47345 File
    47346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47347 packages/chimerax/core/triggerset.py", line 190, in activate 
    47348 ret = handler.invoke(data, self._remove_bad_handlers) 
    47349 File
    47350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47351 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47352 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47353 File
    47354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47355 packages/chimerax/core/session.py", line 943, in <lambda> 
    47356 logger.report_exception(preface=preface)) 
    47357 File
    47358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47359 packages/chimerax/core/logger.py", line 421, in report_exception 
    47360 elif probably_chimera1_session(exc_info): 
    47361 File
    47362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47363 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47364 etype, evalue, etraceback = exc_info 
    47365 TypeError: cannot unpack non-iterable NoneType object 
    47366  
    47367 TypeError: cannot unpack non-iterable NoneType object 
    47368  
    47369 File
    47370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47371 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47372 etype, evalue, etraceback = exc_info 
    47373  
    47374 See log for complete Python traceback. 
    47375  
    47376 Traceback (most recent call last): 
    47377 File
    47378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47379 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47380 return self._func(self._name, data) 
    47381 File
    47382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47383 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47384 if v.display: 
    47385 File
    47386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47387 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47388 return self._any_displayed_positions and len(self._positions) > 0 
    47389 TypeError: object of type 'NoneType' has no len() 
    47390  
    47391 During handling of the above exception, another exception occurred: 
    47392  
    47393 Traceback (most recent call last): 
    47394 File
    47395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47396 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47397 if not self.draw_new_frame(): 
    47398 File
    47399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47400 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47401 changed = view.check_for_drawing_change() 
    47402 File
    47403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47404 packages/chimerax/core/graphics/view.py", line 252, in
    47405 check_for_drawing_change 
    47406 trig.activate_trigger('graphics update', self) 
    47407 File
    47408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47409 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47410 trigger.activate(data) 
    47411 File
    47412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47413 packages/chimerax/core/triggerset.py", line 190, in activate 
    47414 ret = handler.invoke(data, self._remove_bad_handlers) 
    47415 File
    47416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47417 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47418 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47419 File
    47420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47421 packages/chimerax/core/session.py", line 943, in <lambda> 
    47422 logger.report_exception(preface=preface)) 
    47423 File
    47424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47425 packages/chimerax/core/logger.py", line 421, in report_exception 
    47426 elif probably_chimera1_session(exc_info): 
    47427 File
    47428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47429 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47430 etype, evalue, etraceback = exc_info 
    47431 TypeError: cannot unpack non-iterable NoneType object 
    47432  
    47433 TypeError: cannot unpack non-iterable NoneType object 
    47434  
    47435 File
    47436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47437 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47438 etype, evalue, etraceback = exc_info 
    47439  
    47440 See log for complete Python traceback. 
    47441  
    47442 Traceback (most recent call last): 
    47443 File
    47444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47445 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47446 return self._func(self._name, data) 
    47447 File
    47448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47449 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47450 if v.display: 
    47451 File
    47452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47453 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47454 return self._any_displayed_positions and len(self._positions) > 0 
    47455 TypeError: object of type 'NoneType' has no len() 
    47456  
    47457 During handling of the above exception, another exception occurred: 
    47458  
    47459 Traceback (most recent call last): 
    47460 File
    47461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47462 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47463 if not self.draw_new_frame(): 
    47464 File
    47465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47466 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47467 changed = view.check_for_drawing_change() 
    47468 File
    47469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47470 packages/chimerax/core/graphics/view.py", line 252, in
    47471 check_for_drawing_change 
    47472 trig.activate_trigger('graphics update', self) 
    47473 File
    47474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47475 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47476 trigger.activate(data) 
    47477 File
    47478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47479 packages/chimerax/core/triggerset.py", line 190, in activate 
    47480 ret = handler.invoke(data, self._remove_bad_handlers) 
    47481 File
    47482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47483 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47484 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47485 File
    47486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47487 packages/chimerax/core/session.py", line 943, in <lambda> 
    47488 logger.report_exception(preface=preface)) 
    47489 File
    47490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47491 packages/chimerax/core/logger.py", line 421, in report_exception 
    47492 elif probably_chimera1_session(exc_info): 
    47493 File
    47494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47495 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47496 etype, evalue, etraceback = exc_info 
    47497 TypeError: cannot unpack non-iterable NoneType object 
    47498  
    47499 TypeError: cannot unpack non-iterable NoneType object 
    47500  
    47501 File
    47502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47503 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47504 etype, evalue, etraceback = exc_info 
    47505  
    47506 See log for complete Python traceback. 
    47507  
    47508 Traceback (most recent call last): 
    47509 File
    47510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47511 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47512 return self._func(self._name, data) 
    47513 File
    47514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47515 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47516 if v.display: 
    47517 File
    47518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47519 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47520 return self._any_displayed_positions and len(self._positions) > 0 
    47521 TypeError: object of type 'NoneType' has no len() 
    47522  
    47523 During handling of the above exception, another exception occurred: 
    47524  
    47525 Traceback (most recent call last): 
    47526 File
    47527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47528 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47529 if not self.draw_new_frame(): 
    47530 File
    47531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47532 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47533 changed = view.check_for_drawing_change() 
    47534 File
    47535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47536 packages/chimerax/core/graphics/view.py", line 252, in
    47537 check_for_drawing_change 
    47538 trig.activate_trigger('graphics update', self) 
    47539 File
    47540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47541 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47542 trigger.activate(data) 
    47543 File
    47544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47545 packages/chimerax/core/triggerset.py", line 190, in activate 
    47546 ret = handler.invoke(data, self._remove_bad_handlers) 
    47547 File
    47548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47549 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47550 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47551 File
    47552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47553 packages/chimerax/core/session.py", line 943, in <lambda> 
    47554 logger.report_exception(preface=preface)) 
    47555 File
    47556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47557 packages/chimerax/core/logger.py", line 421, in report_exception 
    47558 elif probably_chimera1_session(exc_info): 
    47559 File
    47560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47561 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47562 etype, evalue, etraceback = exc_info 
    47563 TypeError: cannot unpack non-iterable NoneType object 
    47564  
    47565 TypeError: cannot unpack non-iterable NoneType object 
    47566  
    47567 File
    47568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47569 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47570 etype, evalue, etraceback = exc_info 
    47571  
    47572 See log for complete Python traceback. 
    47573  
    47574 Traceback (most recent call last): 
    47575 File
    47576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47577 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47578 return self._func(self._name, data) 
    47579 File
    47580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47581 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47582 if v.display: 
    47583 File
    47584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47585 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47586 return self._any_displayed_positions and len(self._positions) > 0 
    47587 TypeError: object of type 'NoneType' has no len() 
    47588  
    47589 During handling of the above exception, another exception occurred: 
    47590  
    47591 Traceback (most recent call last): 
    47592 File
    47593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47594 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47595 if not self.draw_new_frame(): 
    47596 File
    47597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47598 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47599 changed = view.check_for_drawing_change() 
    47600 File
    47601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47602 packages/chimerax/core/graphics/view.py", line 252, in
    47603 check_for_drawing_change 
    47604 trig.activate_trigger('graphics update', self) 
    47605 File
    47606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47607 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47608 trigger.activate(data) 
    47609 File
    47610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47611 packages/chimerax/core/triggerset.py", line 190, in activate 
    47612 ret = handler.invoke(data, self._remove_bad_handlers) 
    47613 File
    47614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47615 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47616 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47617 File
    47618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47619 packages/chimerax/core/session.py", line 943, in <lambda> 
    47620 logger.report_exception(preface=preface)) 
    47621 File
    47622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47623 packages/chimerax/core/logger.py", line 421, in report_exception 
    47624 elif probably_chimera1_session(exc_info): 
    47625 File
    47626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47627 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47628 etype, evalue, etraceback = exc_info 
    47629 TypeError: cannot unpack non-iterable NoneType object 
    47630  
    47631 TypeError: cannot unpack non-iterable NoneType object 
    47632  
    47633 File
    47634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47635 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47636 etype, evalue, etraceback = exc_info 
    47637  
    47638 See log for complete Python traceback. 
    47639  
    47640 Traceback (most recent call last): 
    47641 File
    47642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47643 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47644 return self._func(self._name, data) 
    47645 File
    47646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47647 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47648 if v.display: 
    47649 File
    47650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47651 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47652 return self._any_displayed_positions and len(self._positions) > 0 
    47653 TypeError: object of type 'NoneType' has no len() 
    47654  
    47655 During handling of the above exception, another exception occurred: 
    47656  
    47657 Traceback (most recent call last): 
    47658 File
    47659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47660 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47661 if not self.draw_new_frame(): 
    47662 File
    47663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47664 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47665 changed = view.check_for_drawing_change() 
    47666 File
    47667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47668 packages/chimerax/core/graphics/view.py", line 252, in
    47669 check_for_drawing_change 
    47670 trig.activate_trigger('graphics update', self) 
    47671 File
    47672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47673 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47674 trigger.activate(data) 
    47675 File
    47676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47677 packages/chimerax/core/triggerset.py", line 190, in activate 
    47678 ret = handler.invoke(data, self._remove_bad_handlers) 
    47679 File
    47680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47681 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47682 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47683 File
    47684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47685 packages/chimerax/core/session.py", line 943, in <lambda> 
    47686 logger.report_exception(preface=preface)) 
    47687 File
    47688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47689 packages/chimerax/core/logger.py", line 421, in report_exception 
    47690 elif probably_chimera1_session(exc_info): 
    47691 File
    47692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47693 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47694 etype, evalue, etraceback = exc_info 
    47695 TypeError: cannot unpack non-iterable NoneType object 
    47696  
    47697 TypeError: cannot unpack non-iterable NoneType object 
    47698  
    47699 File
    47700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47701 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47702 etype, evalue, etraceback = exc_info 
    47703  
    47704 See log for complete Python traceback. 
    47705  
    47706 Traceback (most recent call last): 
    47707 File
    47708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47709 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47710 return self._func(self._name, data) 
    47711 File
    47712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47713 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47714 if v.display: 
    47715 File
    47716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47717 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47718 return self._any_displayed_positions and len(self._positions) > 0 
    47719 TypeError: object of type 'NoneType' has no len() 
    47720  
    47721 During handling of the above exception, another exception occurred: 
    47722  
    47723 Traceback (most recent call last): 
    47724 File
    47725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47726 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47727 if not self.draw_new_frame(): 
    47728 File
    47729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47730 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47731 changed = view.check_for_drawing_change() 
    47732 File
    47733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47734 packages/chimerax/core/graphics/view.py", line 252, in
    47735 check_for_drawing_change 
    47736 trig.activate_trigger('graphics update', self) 
    47737 File
    47738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47739 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47740 trigger.activate(data) 
    47741 File
    47742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47743 packages/chimerax/core/triggerset.py", line 190, in activate 
    47744 ret = handler.invoke(data, self._remove_bad_handlers) 
    47745 File
    47746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47747 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47748 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47749 File
    47750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47751 packages/chimerax/core/session.py", line 943, in <lambda> 
    47752 logger.report_exception(preface=preface)) 
    47753 File
    47754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47755 packages/chimerax/core/logger.py", line 421, in report_exception 
    47756 elif probably_chimera1_session(exc_info): 
    47757 File
    47758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47759 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47760 etype, evalue, etraceback = exc_info 
    47761 TypeError: cannot unpack non-iterable NoneType object 
    47762  
    47763 TypeError: cannot unpack non-iterable NoneType object 
    47764  
    47765 File
    47766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47767 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47768 etype, evalue, etraceback = exc_info 
    47769  
    47770 See log for complete Python traceback. 
    47771  
    47772 Traceback (most recent call last): 
    47773 File
    47774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47775 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47776 return self._func(self._name, data) 
    47777 File
    47778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47779 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47780 if v.display: 
    47781 File
    47782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47783 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47784 return self._any_displayed_positions and len(self._positions) > 0 
    47785 TypeError: object of type 'NoneType' has no len() 
    47786  
    47787 During handling of the above exception, another exception occurred: 
    47788  
    47789 Traceback (most recent call last): 
    47790 File
    47791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47792 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47793 if not self.draw_new_frame(): 
    47794 File
    47795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47796 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47797 changed = view.check_for_drawing_change() 
    47798 File
    47799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47800 packages/chimerax/core/graphics/view.py", line 252, in
    47801 check_for_drawing_change 
    47802 trig.activate_trigger('graphics update', self) 
    47803 File
    47804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47805 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47806 trigger.activate(data) 
    47807 File
    47808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47809 packages/chimerax/core/triggerset.py", line 190, in activate 
    47810 ret = handler.invoke(data, self._remove_bad_handlers) 
    47811 File
    47812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47813 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47814 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47815 File
    47816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47817 packages/chimerax/core/session.py", line 943, in <lambda> 
    47818 logger.report_exception(preface=preface)) 
    47819 File
    47820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47821 packages/chimerax/core/logger.py", line 421, in report_exception 
    47822 elif probably_chimera1_session(exc_info): 
    47823 File
    47824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47825 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47826 etype, evalue, etraceback = exc_info 
    47827 TypeError: cannot unpack non-iterable NoneType object 
    47828  
    47829 TypeError: cannot unpack non-iterable NoneType object 
    47830  
    47831 File
    47832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47833 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47834 etype, evalue, etraceback = exc_info 
    47835  
    47836 See log for complete Python traceback. 
    47837  
    47838 Traceback (most recent call last): 
    47839 File
    47840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47841 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47842 return self._func(self._name, data) 
    47843 File
    47844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47845 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47846 if v.display: 
    47847 File
    47848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47849 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47850 return self._any_displayed_positions and len(self._positions) > 0 
    47851 TypeError: object of type 'NoneType' has no len() 
    47852  
    47853 During handling of the above exception, another exception occurred: 
    47854  
    47855 Traceback (most recent call last): 
    47856 File
    47857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47858 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47859 if not self.draw_new_frame(): 
    47860 File
    47861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47862 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47863 changed = view.check_for_drawing_change() 
    47864 File
    47865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47866 packages/chimerax/core/graphics/view.py", line 252, in
    47867 check_for_drawing_change 
    47868 trig.activate_trigger('graphics update', self) 
    47869 File
    47870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47871 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47872 trigger.activate(data) 
    47873 File
    47874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47875 packages/chimerax/core/triggerset.py", line 190, in activate 
    47876 ret = handler.invoke(data, self._remove_bad_handlers) 
    47877 File
    47878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47879 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47880 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47881 File
    47882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47883 packages/chimerax/core/session.py", line 943, in <lambda> 
    47884 logger.report_exception(preface=preface)) 
    47885 File
    47886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47887 packages/chimerax/core/logger.py", line 421, in report_exception 
    47888 elif probably_chimera1_session(exc_info): 
    47889 File
    47890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47891 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47892 etype, evalue, etraceback = exc_info 
    47893 TypeError: cannot unpack non-iterable NoneType object 
    47894  
    47895 TypeError: cannot unpack non-iterable NoneType object 
    47896  
    47897 File
    47898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47899 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47900 etype, evalue, etraceback = exc_info 
    47901  
    47902 See log for complete Python traceback. 
    47903  
    47904 Traceback (most recent call last): 
    47905 File
    47906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47907 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47908 return self._func(self._name, data) 
    47909 File
    47910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47911 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47912 if v.display: 
    47913 File
    47914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47915 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47916 return self._any_displayed_positions and len(self._positions) > 0 
    47917 TypeError: object of type 'NoneType' has no len() 
    47918  
    47919 During handling of the above exception, another exception occurred: 
    47920  
    47921 Traceback (most recent call last): 
    47922 File
    47923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47924 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47925 if not self.draw_new_frame(): 
    47926 File
    47927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47928 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47929 changed = view.check_for_drawing_change() 
    47930 File
    47931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47932 packages/chimerax/core/graphics/view.py", line 252, in
    47933 check_for_drawing_change 
    47934 trig.activate_trigger('graphics update', self) 
    47935 File
    47936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47937 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47938 trigger.activate(data) 
    47939 File
    47940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47941 packages/chimerax/core/triggerset.py", line 190, in activate 
    47942 ret = handler.invoke(data, self._remove_bad_handlers) 
    47943 File
    47944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47945 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47946 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47947 File
    47948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47949 packages/chimerax/core/session.py", line 943, in <lambda> 
    47950 logger.report_exception(preface=preface)) 
    47951 File
    47952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47953 packages/chimerax/core/logger.py", line 421, in report_exception 
    47954 elif probably_chimera1_session(exc_info): 
    47955 File
    47956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47957 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47958 etype, evalue, etraceback = exc_info 
    47959 TypeError: cannot unpack non-iterable NoneType object 
    47960  
    47961 TypeError: cannot unpack non-iterable NoneType object 
    47962  
    47963 File
    47964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47965 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47966 etype, evalue, etraceback = exc_info 
    47967  
    47968 See log for complete Python traceback. 
    47969  
    47970 Traceback (most recent call last): 
    47971 File
    47972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47973 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47974 return self._func(self._name, data) 
    47975 File
    47976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47977 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47978 if v.display: 
    47979 File
    47980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47981 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47982 return self._any_displayed_positions and len(self._positions) > 0 
    47983 TypeError: object of type 'NoneType' has no len() 
    47984  
    47985 During handling of the above exception, another exception occurred: 
    47986  
    47987 Traceback (most recent call last): 
    47988 File
    47989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47990 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47991 if not self.draw_new_frame(): 
    47992 File
    47993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47994 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47995 changed = view.check_for_drawing_change() 
    47996 File
    47997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47998 packages/chimerax/core/graphics/view.py", line 252, in
    47999 check_for_drawing_change 
    48000 trig.activate_trigger('graphics update', self) 
    48001 File
    48002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48003 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48004 trigger.activate(data) 
    48005 File
    48006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48007 packages/chimerax/core/triggerset.py", line 190, in activate 
    48008 ret = handler.invoke(data, self._remove_bad_handlers) 
    48009 File
    48010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48011 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48012 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48013 File
    48014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48015 packages/chimerax/core/session.py", line 943, in <lambda> 
    48016 logger.report_exception(preface=preface)) 
    48017 File
    48018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48019 packages/chimerax/core/logger.py", line 421, in report_exception 
    48020 elif probably_chimera1_session(exc_info): 
    48021 File
    48022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48023 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48024 etype, evalue, etraceback = exc_info 
    48025 TypeError: cannot unpack non-iterable NoneType object 
    48026  
    48027 TypeError: cannot unpack non-iterable NoneType object 
    48028  
    48029 File
    48030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48031 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48032 etype, evalue, etraceback = exc_info 
    48033  
    48034 See log for complete Python traceback. 
    48035  
    48036 Traceback (most recent call last): 
    48037 File
    48038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48039 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48040 return self._func(self._name, data) 
    48041 File
    48042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48043 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48044 if v.display: 
    48045 File
    48046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48047 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48048 return self._any_displayed_positions and len(self._positions) > 0 
    48049 TypeError: object of type 'NoneType' has no len() 
    48050  
    48051 During handling of the above exception, another exception occurred: 
    48052  
    48053 Traceback (most recent call last): 
    48054 File
    48055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48056 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48057 if not self.draw_new_frame(): 
    48058 File
    48059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48060 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48061 changed = view.check_for_drawing_change() 
    48062 File
    48063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48064 packages/chimerax/core/graphics/view.py", line 252, in
    48065 check_for_drawing_change 
    48066 trig.activate_trigger('graphics update', self) 
    48067 File
    48068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48069 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48070 trigger.activate(data) 
    48071 File
    48072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48073 packages/chimerax/core/triggerset.py", line 190, in activate 
    48074 ret = handler.invoke(data, self._remove_bad_handlers) 
    48075 File
    48076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48077 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48078 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48079 File
    48080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48081 packages/chimerax/core/session.py", line 943, in <lambda> 
    48082 logger.report_exception(preface=preface)) 
    48083 File
    48084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48085 packages/chimerax/core/logger.py", line 421, in report_exception 
    48086 elif probably_chimera1_session(exc_info): 
    48087 File
    48088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48089 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48090 etype, evalue, etraceback = exc_info 
    48091 TypeError: cannot unpack non-iterable NoneType object 
    48092  
    48093 TypeError: cannot unpack non-iterable NoneType object 
    48094  
    48095 File
    48096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48097 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48098 etype, evalue, etraceback = exc_info 
    48099  
    48100 See log for complete Python traceback. 
    48101  
    48102 Traceback (most recent call last): 
    48103 File
    48104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48105 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48106 return self._func(self._name, data) 
    48107 File
    48108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48109 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48110 if v.display: 
    48111 File
    48112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48113 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48114 return self._any_displayed_positions and len(self._positions) > 0 
    48115 TypeError: object of type 'NoneType' has no len() 
    48116  
    48117 During handling of the above exception, another exception occurred: 
    48118  
    48119 Traceback (most recent call last): 
    48120 File
    48121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48122 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48123 if not self.draw_new_frame(): 
    48124 File
    48125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48126 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48127 changed = view.check_for_drawing_change() 
    48128 File
    48129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48130 packages/chimerax/core/graphics/view.py", line 252, in
    48131 check_for_drawing_change 
    48132 trig.activate_trigger('graphics update', self) 
    48133 File
    48134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48135 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48136 trigger.activate(data) 
    48137 File
    48138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48139 packages/chimerax/core/triggerset.py", line 190, in activate 
    48140 ret = handler.invoke(data, self._remove_bad_handlers) 
    48141 File
    48142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48143 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48144 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48145 File
    48146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48147 packages/chimerax/core/session.py", line 943, in <lambda> 
    48148 logger.report_exception(preface=preface)) 
    48149 File
    48150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48151 packages/chimerax/core/logger.py", line 421, in report_exception 
    48152 elif probably_chimera1_session(exc_info): 
    48153 File
    48154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48155 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48156 etype, evalue, etraceback = exc_info 
    48157 TypeError: cannot unpack non-iterable NoneType object 
    48158  
    48159 TypeError: cannot unpack non-iterable NoneType object 
    48160  
    48161 File
    48162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48163 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48164 etype, evalue, etraceback = exc_info 
    48165  
    48166 See log for complete Python traceback. 
    48167  
    48168 Traceback (most recent call last): 
    48169 File
    48170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48171 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48172 return self._func(self._name, data) 
    48173 File
    48174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48175 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48176 if v.display: 
    48177 File
    48178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48179 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48180 return self._any_displayed_positions and len(self._positions) > 0 
    48181 TypeError: object of type 'NoneType' has no len() 
    48182  
    48183 During handling of the above exception, another exception occurred: 
    48184  
    48185 Traceback (most recent call last): 
    48186 File
    48187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48188 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48189 if not self.draw_new_frame(): 
    48190 File
    48191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48192 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48193 changed = view.check_for_drawing_change() 
    48194 File
    48195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48196 packages/chimerax/core/graphics/view.py", line 252, in
    48197 check_for_drawing_change 
    48198 trig.activate_trigger('graphics update', self) 
    48199 File
    48200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48201 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48202 trigger.activate(data) 
    48203 File
    48204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48205 packages/chimerax/core/triggerset.py", line 190, in activate 
    48206 ret = handler.invoke(data, self._remove_bad_handlers) 
    48207 File
    48208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48209 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48210 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48211 File
    48212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48213 packages/chimerax/core/session.py", line 943, in <lambda> 
    48214 logger.report_exception(preface=preface)) 
    48215 File
    48216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48217 packages/chimerax/core/logger.py", line 421, in report_exception 
    48218 elif probably_chimera1_session(exc_info): 
    48219 File
    48220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48221 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48222 etype, evalue, etraceback = exc_info 
    48223 TypeError: cannot unpack non-iterable NoneType object 
    48224  
    48225 TypeError: cannot unpack non-iterable NoneType object 
    48226  
    48227 File
    48228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48229 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48230 etype, evalue, etraceback = exc_info 
    48231  
    48232 See log for complete Python traceback. 
    48233  
    48234 Traceback (most recent call last): 
    48235 File
    48236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48237 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48238 return self._func(self._name, data) 
    48239 File
    48240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48241 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48242 if v.display: 
    48243 File
    48244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48245 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48246 return self._any_displayed_positions and len(self._positions) > 0 
    48247 TypeError: object of type 'NoneType' has no len() 
    48248  
    48249 During handling of the above exception, another exception occurred: 
    48250  
    48251 Traceback (most recent call last): 
    48252 File
    48253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48254 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48255 if not self.draw_new_frame(): 
    48256 File
    48257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48258 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48259 changed = view.check_for_drawing_change() 
    48260 File
    48261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48262 packages/chimerax/core/graphics/view.py", line 252, in
    48263 check_for_drawing_change 
    48264 trig.activate_trigger('graphics update', self) 
    48265 File
    48266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48267 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48268 trigger.activate(data) 
    48269 File
    48270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48271 packages/chimerax/core/triggerset.py", line 190, in activate 
    48272 ret = handler.invoke(data, self._remove_bad_handlers) 
    48273 File
    48274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48275 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48276 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48277 File
    48278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48279 packages/chimerax/core/session.py", line 943, in <lambda> 
    48280 logger.report_exception(preface=preface)) 
    48281 File
    48282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48283 packages/chimerax/core/logger.py", line 421, in report_exception 
    48284 elif probably_chimera1_session(exc_info): 
    48285 File
    48286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48287 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48288 etype, evalue, etraceback = exc_info 
    48289 TypeError: cannot unpack non-iterable NoneType object 
    48290  
    48291 TypeError: cannot unpack non-iterable NoneType object 
    48292  
    48293 File
    48294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48295 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48296 etype, evalue, etraceback = exc_info 
    48297  
    48298 See log for complete Python traceback. 
    48299  
    48300 Traceback (most recent call last): 
    48301 File
    48302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48303 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48304 return self._func(self._name, data) 
    48305 File
    48306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48307 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48308 if v.display: 
    48309 File
    48310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48311 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48312 return self._any_displayed_positions and len(self._positions) > 0 
    48313 TypeError: object of type 'NoneType' has no len() 
    48314  
    48315 During handling of the above exception, another exception occurred: 
    48316  
    48317 Traceback (most recent call last): 
    48318 File
    48319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48320 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48321 if not self.draw_new_frame(): 
    48322 File
    48323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48324 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48325 changed = view.check_for_drawing_change() 
    48326 File
    48327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48328 packages/chimerax/core/graphics/view.py", line 252, in
    48329 check_for_drawing_change 
    48330 trig.activate_trigger('graphics update', self) 
    48331 File
    48332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48333 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48334 trigger.activate(data) 
    48335 File
    48336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48337 packages/chimerax/core/triggerset.py", line 190, in activate 
    48338 ret = handler.invoke(data, self._remove_bad_handlers) 
    48339 File
    48340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48341 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48342 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48343 File
    48344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48345 packages/chimerax/core/session.py", line 943, in <lambda> 
    48346 logger.report_exception(preface=preface)) 
    48347 File
    48348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48349 packages/chimerax/core/logger.py", line 421, in report_exception 
    48350 elif probably_chimera1_session(exc_info): 
    48351 File
    48352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48353 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48354 etype, evalue, etraceback = exc_info 
    48355 TypeError: cannot unpack non-iterable NoneType object 
    48356  
    48357 TypeError: cannot unpack non-iterable NoneType object 
    48358  
    48359 File
    48360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48361 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48362 etype, evalue, etraceback = exc_info 
    48363  
    48364 See log for complete Python traceback. 
    48365  
    48366 Traceback (most recent call last): 
    48367 File
    48368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48369 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48370 return self._func(self._name, data) 
    48371 File
    48372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48373 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48374 if v.display: 
    48375 File
    48376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48377 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48378 return self._any_displayed_positions and len(self._positions) > 0 
    48379 TypeError: object of type 'NoneType' has no len() 
    48380  
    48381 During handling of the above exception, another exception occurred: 
    48382  
    48383 Traceback (most recent call last): 
    48384 File
    48385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48386 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48387 if not self.draw_new_frame(): 
    48388 File
    48389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48390 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48391 changed = view.check_for_drawing_change() 
    48392 File
    48393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48394 packages/chimerax/core/graphics/view.py", line 252, in
    48395 check_for_drawing_change 
    48396 trig.activate_trigger('graphics update', self) 
    48397 File
    48398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48399 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48400 trigger.activate(data) 
    48401 File
    48402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48403 packages/chimerax/core/triggerset.py", line 190, in activate 
    48404 ret = handler.invoke(data, self._remove_bad_handlers) 
    48405 File
    48406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48407 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48408 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48409 File
    48410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48411 packages/chimerax/core/session.py", line 943, in <lambda> 
    48412 logger.report_exception(preface=preface)) 
    48413 File
    48414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48415 packages/chimerax/core/logger.py", line 421, in report_exception 
    48416 elif probably_chimera1_session(exc_info): 
    48417 File
    48418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48419 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48420 etype, evalue, etraceback = exc_info 
    48421 TypeError: cannot unpack non-iterable NoneType object 
    48422  
    48423 TypeError: cannot unpack non-iterable NoneType object 
    48424  
    48425 File
    48426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48427 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48428 etype, evalue, etraceback = exc_info 
    48429  
    48430 See log for complete Python traceback. 
    48431  
    48432 Traceback (most recent call last): 
    48433 File
    48434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48435 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48436 return self._func(self._name, data) 
    48437 File
    48438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48439 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48440 if v.display: 
    48441 File
    48442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48443 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48444 return self._any_displayed_positions and len(self._positions) > 0 
    48445 TypeError: object of type 'NoneType' has no len() 
    48446  
    48447 During handling of the above exception, another exception occurred: 
    48448  
    48449 Traceback (most recent call last): 
    48450 File
    48451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48452 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48453 if not self.draw_new_frame(): 
    48454 File
    48455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48456 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48457 changed = view.check_for_drawing_change() 
    48458 File
    48459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48460 packages/chimerax/core/graphics/view.py", line 252, in
    48461 check_for_drawing_change 
    48462 trig.activate_trigger('graphics update', self) 
    48463 File
    48464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48465 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48466 trigger.activate(data) 
    48467 File
    48468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48469 packages/chimerax/core/triggerset.py", line 190, in activate 
    48470 ret = handler.invoke(data, self._remove_bad_handlers) 
    48471 File
    48472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48473 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48474 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48475 File
    48476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48477 packages/chimerax/core/session.py", line 943, in <lambda> 
    48478 logger.report_exception(preface=preface)) 
    48479 File
    48480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48481 packages/chimerax/core/logger.py", line 421, in report_exception 
    48482 elif probably_chimera1_session(exc_info): 
    48483 File
    48484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48485 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48486 etype, evalue, etraceback = exc_info 
    48487 TypeError: cannot unpack non-iterable NoneType object 
    48488  
    48489 TypeError: cannot unpack non-iterable NoneType object 
    48490  
    48491 File
    48492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48493 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48494 etype, evalue, etraceback = exc_info 
    48495  
    48496 See log for complete Python traceback. 
    48497  
    48498 Traceback (most recent call last): 
    48499 File
    48500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48501 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48502 return self._func(self._name, data) 
    48503 File
    48504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48505 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48506 if v.display: 
    48507 File
    48508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48509 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48510 return self._any_displayed_positions and len(self._positions) > 0 
    48511 TypeError: object of type 'NoneType' has no len() 
    48512  
    48513 During handling of the above exception, another exception occurred: 
    48514  
    48515 Traceback (most recent call last): 
    48516 File
    48517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48518 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48519 if not self.draw_new_frame(): 
    48520 File
    48521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48522 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48523 changed = view.check_for_drawing_change() 
    48524 File
    48525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48526 packages/chimerax/core/graphics/view.py", line 252, in
    48527 check_for_drawing_change 
    48528 trig.activate_trigger('graphics update', self) 
    48529 File
    48530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48531 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48532 trigger.activate(data) 
    48533 File
    48534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48535 packages/chimerax/core/triggerset.py", line 190, in activate 
    48536 ret = handler.invoke(data, self._remove_bad_handlers) 
    48537 File
    48538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48539 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48540 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48541 File
    48542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48543 packages/chimerax/core/session.py", line 943, in <lambda> 
    48544 logger.report_exception(preface=preface)) 
    48545 File
    48546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48547 packages/chimerax/core/logger.py", line 421, in report_exception 
    48548 elif probably_chimera1_session(exc_info): 
    48549 File
    48550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48551 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48552 etype, evalue, etraceback = exc_info 
    48553 TypeError: cannot unpack non-iterable NoneType object 
    48554  
    48555 TypeError: cannot unpack non-iterable NoneType object 
    48556  
    48557 File
    48558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48559 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48560 etype, evalue, etraceback = exc_info 
    48561  
    48562 See log for complete Python traceback. 
    48563  
    48564 Traceback (most recent call last): 
    48565 File
    48566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48567 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48568 return self._func(self._name, data) 
    48569 File
    48570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48571 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48572 if v.display: 
    48573 File
    48574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48575 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48576 return self._any_displayed_positions and len(self._positions) > 0 
    48577 TypeError: object of type 'NoneType' has no len() 
    48578  
    48579 During handling of the above exception, another exception occurred: 
    48580  
    48581 Traceback (most recent call last): 
    48582 File
    48583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48584 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48585 if not self.draw_new_frame(): 
    48586 File
    48587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48588 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48589 changed = view.check_for_drawing_change() 
    48590 File
    48591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48592 packages/chimerax/core/graphics/view.py", line 252, in
    48593 check_for_drawing_change 
    48594 trig.activate_trigger('graphics update', self) 
    48595 File
    48596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48597 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48598 trigger.activate(data) 
    48599 File
    48600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48601 packages/chimerax/core/triggerset.py", line 190, in activate 
    48602 ret = handler.invoke(data, self._remove_bad_handlers) 
    48603 File
    48604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48605 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48606 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48607 File
    48608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48609 packages/chimerax/core/session.py", line 943, in <lambda> 
    48610 logger.report_exception(preface=preface)) 
    48611 File
    48612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48613 packages/chimerax/core/logger.py", line 421, in report_exception 
    48614 elif probably_chimera1_session(exc_info): 
    48615 File
    48616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48617 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48618 etype, evalue, etraceback = exc_info 
    48619 TypeError: cannot unpack non-iterable NoneType object 
    48620  
    48621 TypeError: cannot unpack non-iterable NoneType object 
    48622  
    48623 File
    48624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48625 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48626 etype, evalue, etraceback = exc_info 
    48627  
    48628 See log for complete Python traceback. 
    48629  
    48630 Traceback (most recent call last): 
    48631 File
    48632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48633 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48634 return self._func(self._name, data) 
    48635 File
    48636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48637 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48638 if v.display: 
    48639 File
    48640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48641 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48642 return self._any_displayed_positions and len(self._positions) > 0 
    48643 TypeError: object of type 'NoneType' has no len() 
    48644  
    48645 During handling of the above exception, another exception occurred: 
    48646  
    48647 Traceback (most recent call last): 
    48648 File
    48649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48650 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48651 if not self.draw_new_frame(): 
    48652 File
    48653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48654 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48655 changed = view.check_for_drawing_change() 
    48656 File
    48657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48658 packages/chimerax/core/graphics/view.py", line 252, in
    48659 check_for_drawing_change 
    48660 trig.activate_trigger('graphics update', self) 
    48661 File
    48662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48663 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48664 trigger.activate(data) 
    48665 File
    48666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48667 packages/chimerax/core/triggerset.py", line 190, in activate 
    48668 ret = handler.invoke(data, self._remove_bad_handlers) 
    48669 File
    48670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48671 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48672 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48673 File
    48674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48675 packages/chimerax/core/session.py", line 943, in <lambda> 
    48676 logger.report_exception(preface=preface)) 
    48677 File
    48678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48679 packages/chimerax/core/logger.py", line 421, in report_exception 
    48680 elif probably_chimera1_session(exc_info): 
    48681 File
    48682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48683 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48684 etype, evalue, etraceback = exc_info 
    48685 TypeError: cannot unpack non-iterable NoneType object 
    48686  
    48687 TypeError: cannot unpack non-iterable NoneType object 
    48688  
    48689 File
    48690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48691 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48692 etype, evalue, etraceback = exc_info 
    48693  
    48694 See log for complete Python traceback. 
    48695  
    48696 Traceback (most recent call last): 
    48697 File
    48698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48699 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48700 return self._func(self._name, data) 
    48701 File
    48702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48703 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48704 if v.display: 
    48705 File
    48706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48707 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48708 return self._any_displayed_positions and len(self._positions) > 0 
    48709 TypeError: object of type 'NoneType' has no len() 
    48710  
    48711 During handling of the above exception, another exception occurred: 
    48712  
    48713 Traceback (most recent call last): 
    48714 File
    48715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48716 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48717 if not self.draw_new_frame(): 
    48718 File
    48719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48720 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48721 changed = view.check_for_drawing_change() 
    48722 File
    48723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48724 packages/chimerax/core/graphics/view.py", line 252, in
    48725 check_for_drawing_change 
    48726 trig.activate_trigger('graphics update', self) 
    48727 File
    48728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48729 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48730 trigger.activate(data) 
    48731 File
    48732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48733 packages/chimerax/core/triggerset.py", line 190, in activate 
    48734 ret = handler.invoke(data, self._remove_bad_handlers) 
    48735 File
    48736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48737 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48738 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48739 File
    48740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48741 packages/chimerax/core/session.py", line 943, in <lambda> 
    48742 logger.report_exception(preface=preface)) 
    48743 File
    48744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48745 packages/chimerax/core/logger.py", line 421, in report_exception 
    48746 elif probably_chimera1_session(exc_info): 
    48747 File
    48748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48749 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48750 etype, evalue, etraceback = exc_info 
    48751 TypeError: cannot unpack non-iterable NoneType object 
    48752  
    48753 TypeError: cannot unpack non-iterable NoneType object 
    48754  
    48755 File
    48756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48757 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48758 etype, evalue, etraceback = exc_info 
    48759  
    48760 See log for complete Python traceback. 
    48761  
    48762 Traceback (most recent call last): 
    48763 File
    48764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48765 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48766 return self._func(self._name, data) 
    48767 File
    48768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48769 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48770 if v.display: 
    48771 File
    48772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48773 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48774 return self._any_displayed_positions and len(self._positions) > 0 
    48775 TypeError: object of type 'NoneType' has no len() 
    48776  
    48777 During handling of the above exception, another exception occurred: 
    48778  
    48779 Traceback (most recent call last): 
    48780 File
    48781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48782 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48783 if not self.draw_new_frame(): 
    48784 File
    48785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48786 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48787 changed = view.check_for_drawing_change() 
    48788 File
    48789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48790 packages/chimerax/core/graphics/view.py", line 252, in
    48791 check_for_drawing_change 
    48792 trig.activate_trigger('graphics update', self) 
    48793 File
    48794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48795 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48796 trigger.activate(data) 
    48797 File
    48798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48799 packages/chimerax/core/triggerset.py", line 190, in activate 
    48800 ret = handler.invoke(data, self._remove_bad_handlers) 
    48801 File
    48802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48803 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48804 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48805 File
    48806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48807 packages/chimerax/core/session.py", line 943, in <lambda> 
    48808 logger.report_exception(preface=preface)) 
    48809 File
    48810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48811 packages/chimerax/core/logger.py", line 421, in report_exception 
    48812 elif probably_chimera1_session(exc_info): 
    48813 File
    48814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48815 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48816 etype, evalue, etraceback = exc_info 
    48817 TypeError: cannot unpack non-iterable NoneType object 
    48818  
    48819 TypeError: cannot unpack non-iterable NoneType object 
    48820  
    48821 File
    48822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48823 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48824 etype, evalue, etraceback = exc_info 
    48825  
    48826 See log for complete Python traceback. 
    48827  
    48828 Traceback (most recent call last): 
    48829 File
    48830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48831 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48832 return self._func(self._name, data) 
    48833 File
    48834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48835 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48836 if v.display: 
    48837 File
    48838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48839 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48840 return self._any_displayed_positions and len(self._positions) > 0 
    48841 TypeError: object of type 'NoneType' has no len() 
    48842  
    48843 During handling of the above exception, another exception occurred: 
    48844  
    48845 Traceback (most recent call last): 
    48846 File
    48847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48848 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48849 if not self.draw_new_frame(): 
    48850 File
    48851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48852 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48853 changed = view.check_for_drawing_change() 
    48854 File
    48855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48856 packages/chimerax/core/graphics/view.py", line 252, in
    48857 check_for_drawing_change 
    48858 trig.activate_trigger('graphics update', self) 
    48859 File
    48860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48861 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48862 trigger.activate(data) 
    48863 File
    48864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48865 packages/chimerax/core/triggerset.py", line 190, in activate 
    48866 ret = handler.invoke(data, self._remove_bad_handlers) 
    48867 File
    48868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48869 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48870 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48871 File
    48872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48873 packages/chimerax/core/session.py", line 943, in <lambda> 
    48874 logger.report_exception(preface=preface)) 
    48875 File
    48876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48877 packages/chimerax/core/logger.py", line 421, in report_exception 
    48878 elif probably_chimera1_session(exc_info): 
    48879 File
    48880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48881 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48882 etype, evalue, etraceback = exc_info 
    48883 TypeError: cannot unpack non-iterable NoneType object 
    48884  
    48885 TypeError: cannot unpack non-iterable NoneType object 
    48886  
    48887 File
    48888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48889 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48890 etype, evalue, etraceback = exc_info 
    48891  
    48892 See log for complete Python traceback. 
    48893  
    48894 Traceback (most recent call last): 
    48895 File
    48896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48897 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48898 return self._func(self._name, data) 
    48899 File
    48900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48901 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48902 if v.display: 
    48903 File
    48904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48905 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48906 return self._any_displayed_positions and len(self._positions) > 0 
    48907 TypeError: object of type 'NoneType' has no len() 
    48908  
    48909 During handling of the above exception, another exception occurred: 
    48910  
    48911 Traceback (most recent call last): 
    48912 File
    48913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48914 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48915 if not self.draw_new_frame(): 
    48916 File
    48917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48918 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48919 changed = view.check_for_drawing_change() 
    48920 File
    48921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48922 packages/chimerax/core/graphics/view.py", line 252, in
    48923 check_for_drawing_change 
    48924 trig.activate_trigger('graphics update', self) 
    48925 File
    48926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48927 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48928 trigger.activate(data) 
    48929 File
    48930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48931 packages/chimerax/core/triggerset.py", line 190, in activate 
    48932 ret = handler.invoke(data, self._remove_bad_handlers) 
    48933 File
    48934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48935 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48936 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48937 File
    48938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48939 packages/chimerax/core/session.py", line 943, in <lambda> 
    48940 logger.report_exception(preface=preface)) 
    48941 File
    48942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48943 packages/chimerax/core/logger.py", line 421, in report_exception 
    48944 elif probably_chimera1_session(exc_info): 
    48945 File
    48946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48947 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48948 etype, evalue, etraceback = exc_info 
    48949 TypeError: cannot unpack non-iterable NoneType object 
    48950  
    48951 TypeError: cannot unpack non-iterable NoneType object 
    48952  
    48953 File
    48954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48955 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48956 etype, evalue, etraceback = exc_info 
    48957  
    48958 See log for complete Python traceback. 
    48959  
    48960 Traceback (most recent call last): 
    48961 File
    48962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48963 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48964 return self._func(self._name, data) 
    48965 File
    48966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48967 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48968 if v.display: 
    48969 File
    48970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48971 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48972 return self._any_displayed_positions and len(self._positions) > 0 
    48973 TypeError: object of type 'NoneType' has no len() 
    48974  
    48975 During handling of the above exception, another exception occurred: 
    48976  
    48977 Traceback (most recent call last): 
    48978 File
    48979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48980 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48981 if not self.draw_new_frame(): 
    48982 File
    48983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48984 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48985 changed = view.check_for_drawing_change() 
    48986 File
    48987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48988 packages/chimerax/core/graphics/view.py", line 252, in
    48989 check_for_drawing_change 
    48990 trig.activate_trigger('graphics update', self) 
    48991 File
    48992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48993 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48994 trigger.activate(data) 
    48995 File
    48996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48997 packages/chimerax/core/triggerset.py", line 190, in activate 
    48998 ret = handler.invoke(data, self._remove_bad_handlers) 
    48999 File
    49000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49001 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49002 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49003 File
    49004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49005 packages/chimerax/core/session.py", line 943, in <lambda> 
    49006 logger.report_exception(preface=preface)) 
    49007 File
    49008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49009 packages/chimerax/core/logger.py", line 421, in report_exception 
    49010 elif probably_chimera1_session(exc_info): 
    49011 File
    49012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49013 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49014 etype, evalue, etraceback = exc_info 
    49015 TypeError: cannot unpack non-iterable NoneType object 
    49016  
    49017 TypeError: cannot unpack non-iterable NoneType object 
    49018  
    49019 File
    49020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49021 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49022 etype, evalue, etraceback = exc_info 
    49023  
    49024 See log for complete Python traceback. 
    49025  
    49026 Traceback (most recent call last): 
    49027 File
    49028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49029 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49030 return self._func(self._name, data) 
    49031 File
    49032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49033 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49034 if v.display: 
    49035 File
    49036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49037 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49038 return self._any_displayed_positions and len(self._positions) > 0 
    49039 TypeError: object of type 'NoneType' has no len() 
    49040  
    49041 During handling of the above exception, another exception occurred: 
    49042  
    49043 Traceback (most recent call last): 
    49044 File
    49045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49046 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49047 if not self.draw_new_frame(): 
    49048 File
    49049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49050 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49051 changed = view.check_for_drawing_change() 
    49052 File
    49053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49054 packages/chimerax/core/graphics/view.py", line 252, in
    49055 check_for_drawing_change 
    49056 trig.activate_trigger('graphics update', self) 
    49057 File
    49058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49059 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49060 trigger.activate(data) 
    49061 File
    49062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49063 packages/chimerax/core/triggerset.py", line 190, in activate 
    49064 ret = handler.invoke(data, self._remove_bad_handlers) 
    49065 File
    49066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49067 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49068 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49069 File
    49070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49071 packages/chimerax/core/session.py", line 943, in <lambda> 
    49072 logger.report_exception(preface=preface)) 
    49073 File
    49074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49075 packages/chimerax/core/logger.py", line 421, in report_exception 
    49076 elif probably_chimera1_session(exc_info): 
    49077 File
    49078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49079 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49080 etype, evalue, etraceback = exc_info 
    49081 TypeError: cannot unpack non-iterable NoneType object 
    49082  
    49083 TypeError: cannot unpack non-iterable NoneType object 
    49084  
    49085 File
    49086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49087 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49088 etype, evalue, etraceback = exc_info 
    49089  
    49090 See log for complete Python traceback. 
    49091  
    49092 Traceback (most recent call last): 
    49093 File
    49094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49095 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49096 return self._func(self._name, data) 
    49097 File
    49098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49099 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49100 if v.display: 
    49101 File
    49102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49103 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49104 return self._any_displayed_positions and len(self._positions) > 0 
    49105 TypeError: object of type 'NoneType' has no len() 
    49106  
    49107 During handling of the above exception, another exception occurred: 
    49108  
    49109 Traceback (most recent call last): 
    49110 File
    49111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49112 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49113 if not self.draw_new_frame(): 
    49114 File
    49115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49116 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49117 changed = view.check_for_drawing_change() 
    49118 File
    49119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49120 packages/chimerax/core/graphics/view.py", line 252, in
    49121 check_for_drawing_change 
    49122 trig.activate_trigger('graphics update', self) 
    49123 File
    49124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49125 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49126 trigger.activate(data) 
    49127 File
    49128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49129 packages/chimerax/core/triggerset.py", line 190, in activate 
    49130 ret = handler.invoke(data, self._remove_bad_handlers) 
    49131 File
    49132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49133 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49134 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49135 File
    49136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49137 packages/chimerax/core/session.py", line 943, in <lambda> 
    49138 logger.report_exception(preface=preface)) 
    49139 File
    49140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49141 packages/chimerax/core/logger.py", line 421, in report_exception 
    49142 elif probably_chimera1_session(exc_info): 
    49143 File
    49144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49145 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49146 etype, evalue, etraceback = exc_info 
    49147 TypeError: cannot unpack non-iterable NoneType object 
    49148  
    49149 TypeError: cannot unpack non-iterable NoneType object 
    49150  
    49151 File
    49152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49153 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49154 etype, evalue, etraceback = exc_info 
    49155  
    49156 See log for complete Python traceback. 
    49157  
    49158 Traceback (most recent call last): 
    49159 File
    49160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49161 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49162 return self._func(self._name, data) 
    49163 File
    49164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49165 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49166 if v.display: 
    49167 File
    49168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49169 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49170 return self._any_displayed_positions and len(self._positions) > 0 
    49171 TypeError: object of type 'NoneType' has no len() 
    49172  
    49173 During handling of the above exception, another exception occurred: 
    49174  
    49175 Traceback (most recent call last): 
    49176 File
    49177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49178 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49179 if not self.draw_new_frame(): 
    49180 File
    49181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49182 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49183 changed = view.check_for_drawing_change() 
    49184 File
    49185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49186 packages/chimerax/core/graphics/view.py", line 252, in
    49187 check_for_drawing_change 
    49188 trig.activate_trigger('graphics update', self) 
    49189 File
    49190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49191 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49192 trigger.activate(data) 
    49193 File
    49194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49195 packages/chimerax/core/triggerset.py", line 190, in activate 
    49196 ret = handler.invoke(data, self._remove_bad_handlers) 
    49197 File
    49198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49199 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49200 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49201 File
    49202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49203 packages/chimerax/core/session.py", line 943, in <lambda> 
    49204 logger.report_exception(preface=preface)) 
    49205 File
    49206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49207 packages/chimerax/core/logger.py", line 421, in report_exception 
    49208 elif probably_chimera1_session(exc_info): 
    49209 File
    49210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49211 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49212 etype, evalue, etraceback = exc_info 
    49213 TypeError: cannot unpack non-iterable NoneType object 
    49214  
    49215 TypeError: cannot unpack non-iterable NoneType object 
    49216  
    49217 File
    49218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49219 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49220 etype, evalue, etraceback = exc_info 
    49221  
    49222 See log for complete Python traceback. 
    49223  
    49224 Traceback (most recent call last): 
    49225 File
    49226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49227 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49228 return self._func(self._name, data) 
    49229 File
    49230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49231 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49232 if v.display: 
    49233 File
    49234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49235 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49236 return self._any_displayed_positions and len(self._positions) > 0 
    49237 TypeError: object of type 'NoneType' has no len() 
    49238  
    49239 During handling of the above exception, another exception occurred: 
    49240  
    49241 Traceback (most recent call last): 
    49242 File
    49243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49244 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49245 if not self.draw_new_frame(): 
    49246 File
    49247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49248 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49249 changed = view.check_for_drawing_change() 
    49250 File
    49251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49252 packages/chimerax/core/graphics/view.py", line 252, in
    49253 check_for_drawing_change 
    49254 trig.activate_trigger('graphics update', self) 
    49255 File
    49256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49257 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49258 trigger.activate(data) 
    49259 File
    49260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49261 packages/chimerax/core/triggerset.py", line 190, in activate 
    49262 ret = handler.invoke(data, self._remove_bad_handlers) 
    49263 File
    49264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49265 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49266 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49267 File
    49268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49269 packages/chimerax/core/session.py", line 943, in <lambda> 
    49270 logger.report_exception(preface=preface)) 
    49271 File
    49272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49273 packages/chimerax/core/logger.py", line 421, in report_exception 
    49274 elif probably_chimera1_session(exc_info): 
    49275 File
    49276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49277 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49278 etype, evalue, etraceback = exc_info 
    49279 TypeError: cannot unpack non-iterable NoneType object 
    49280  
    49281 TypeError: cannot unpack non-iterable NoneType object 
    49282  
    49283 File
    49284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49285 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49286 etype, evalue, etraceback = exc_info 
    49287  
    49288 See log for complete Python traceback. 
    49289  
    49290 Traceback (most recent call last): 
    49291 File
    49292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49293 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49294 return self._func(self._name, data) 
    49295 File
    49296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49297 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49298 if v.display: 
    49299 File
    49300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49301 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49302 return self._any_displayed_positions and len(self._positions) > 0 
    49303 TypeError: object of type 'NoneType' has no len() 
    49304  
    49305 During handling of the above exception, another exception occurred: 
    49306  
    49307 Traceback (most recent call last): 
    49308 File
    49309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49310 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49311 if not self.draw_new_frame(): 
    49312 File
    49313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49314 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49315 changed = view.check_for_drawing_change() 
    49316 File
    49317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49318 packages/chimerax/core/graphics/view.py", line 252, in
    49319 check_for_drawing_change 
    49320 trig.activate_trigger('graphics update', self) 
    49321 File
    49322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49323 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49324 trigger.activate(data) 
    49325 File
    49326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49327 packages/chimerax/core/triggerset.py", line 190, in activate 
    49328 ret = handler.invoke(data, self._remove_bad_handlers) 
    49329 File
    49330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49331 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49332 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49333 File
    49334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49335 packages/chimerax/core/session.py", line 943, in <lambda> 
    49336 logger.report_exception(preface=preface)) 
    49337 File
    49338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49339 packages/chimerax/core/logger.py", line 421, in report_exception 
    49340 elif probably_chimera1_session(exc_info): 
    49341 File
    49342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49343 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49344 etype, evalue, etraceback = exc_info 
    49345 TypeError: cannot unpack non-iterable NoneType object 
    49346  
    49347 TypeError: cannot unpack non-iterable NoneType object 
    49348  
    49349 File
    49350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49351 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49352 etype, evalue, etraceback = exc_info 
    49353  
    49354 See log for complete Python traceback. 
    49355  
    49356 Traceback (most recent call last): 
    49357 File
    49358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49359 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49360 return self._func(self._name, data) 
    49361 File
    49362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49363 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49364 if v.display: 
    49365 File
    49366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49367 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49368 return self._any_displayed_positions and len(self._positions) > 0 
    49369 TypeError: object of type 'NoneType' has no len() 
    49370  
    49371 During handling of the above exception, another exception occurred: 
    49372  
    49373 Traceback (most recent call last): 
    49374 File
    49375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49376 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49377 if not self.draw_new_frame(): 
    49378 File
    49379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49380 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49381 changed = view.check_for_drawing_change() 
    49382 File
    49383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49384 packages/chimerax/core/graphics/view.py", line 252, in
    49385 check_for_drawing_change 
    49386 trig.activate_trigger('graphics update', self) 
    49387 File
    49388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49389 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49390 trigger.activate(data) 
    49391 File
    49392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49393 packages/chimerax/core/triggerset.py", line 190, in activate 
    49394 ret = handler.invoke(data, self._remove_bad_handlers) 
    49395 File
    49396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49397 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49398 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49399 File
    49400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49401 packages/chimerax/core/session.py", line 943, in <lambda> 
    49402 logger.report_exception(preface=preface)) 
    49403 File
    49404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49405 packages/chimerax/core/logger.py", line 421, in report_exception 
    49406 elif probably_chimera1_session(exc_info): 
    49407 File
    49408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49409 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49410 etype, evalue, etraceback = exc_info 
    49411 TypeError: cannot unpack non-iterable NoneType object 
    49412  
    49413 TypeError: cannot unpack non-iterable NoneType object 
    49414  
    49415 File
    49416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49417 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49418 etype, evalue, etraceback = exc_info 
    49419  
    49420 See log for complete Python traceback. 
    49421  
    49422 Traceback (most recent call last): 
    49423 File
    49424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49425 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49426 return self._func(self._name, data) 
    49427 File
    49428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49429 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49430 if v.display: 
    49431 File
    49432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49433 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49434 return self._any_displayed_positions and len(self._positions) > 0 
    49435 TypeError: object of type 'NoneType' has no len() 
    49436  
    49437 During handling of the above exception, another exception occurred: 
    49438  
    49439 Traceback (most recent call last): 
    49440 File
    49441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49442 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49443 if not self.draw_new_frame(): 
    49444 File
    49445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49446 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49447 changed = view.check_for_drawing_change() 
    49448 File
    49449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49450 packages/chimerax/core/graphics/view.py", line 252, in
    49451 check_for_drawing_change 
    49452 trig.activate_trigger('graphics update', self) 
    49453 File
    49454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49455 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49456 trigger.activate(data) 
    49457 File
    49458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49459 packages/chimerax/core/triggerset.py", line 190, in activate 
    49460 ret = handler.invoke(data, self._remove_bad_handlers) 
    49461 File
    49462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49463 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49464 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49465 File
    49466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49467 packages/chimerax/core/session.py", line 943, in <lambda> 
    49468 logger.report_exception(preface=preface)) 
    49469 File
    49470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49471 packages/chimerax/core/logger.py", line 421, in report_exception 
    49472 elif probably_chimera1_session(exc_info): 
    49473 File
    49474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49475 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49476 etype, evalue, etraceback = exc_info 
    49477 TypeError: cannot unpack non-iterable NoneType object 
    49478  
    49479 TypeError: cannot unpack non-iterable NoneType object 
    49480  
    49481 File
    49482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49483 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49484 etype, evalue, etraceback = exc_info 
    49485  
    49486 See log for complete Python traceback. 
    49487  
    49488 Traceback (most recent call last): 
    49489 File
    49490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49491 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49492 return self._func(self._name, data) 
    49493 File
    49494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49495 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49496 if v.display: 
    49497 File
    49498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49499 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49500 return self._any_displayed_positions and len(self._positions) > 0 
    49501 TypeError: object of type 'NoneType' has no len() 
    49502  
    49503 During handling of the above exception, another exception occurred: 
    49504  
    49505 Traceback (most recent call last): 
    49506 File
    49507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49508 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49509 if not self.draw_new_frame(): 
    49510 File
    49511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49512 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49513 changed = view.check_for_drawing_change() 
    49514 File
    49515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49516 packages/chimerax/core/graphics/view.py", line 252, in
    49517 check_for_drawing_change 
    49518 trig.activate_trigger('graphics update', self) 
    49519 File
    49520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49521 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49522 trigger.activate(data) 
    49523 File
    49524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49525 packages/chimerax/core/triggerset.py", line 190, in activate 
    49526 ret = handler.invoke(data, self._remove_bad_handlers) 
    49527 File
    49528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49529 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49530 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49531 File
    49532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49533 packages/chimerax/core/session.py", line 943, in <lambda> 
    49534 logger.report_exception(preface=preface)) 
    49535 File
    49536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49537 packages/chimerax/core/logger.py", line 421, in report_exception 
    49538 elif probably_chimera1_session(exc_info): 
    49539 File
    49540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49541 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49542 etype, evalue, etraceback = exc_info 
    49543 TypeError: cannot unpack non-iterable NoneType object 
    49544  
    49545 TypeError: cannot unpack non-iterable NoneType object 
    49546  
    49547 File
    49548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49549 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49550 etype, evalue, etraceback = exc_info 
    49551  
    49552 See log for complete Python traceback. 
    49553  
    49554 Traceback (most recent call last): 
    49555 File
    49556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49557 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49558 return self._func(self._name, data) 
    49559 File
    49560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49561 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49562 if v.display: 
    49563 File
    49564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49565 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49566 return self._any_displayed_positions and len(self._positions) > 0 
    49567 TypeError: object of type 'NoneType' has no len() 
    49568  
    49569 During handling of the above exception, another exception occurred: 
    49570  
    49571 Traceback (most recent call last): 
    49572 File
    49573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49574 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49575 if not self.draw_new_frame(): 
    49576 File
    49577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49578 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49579 changed = view.check_for_drawing_change() 
    49580 File
    49581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49582 packages/chimerax/core/graphics/view.py", line 252, in
    49583 check_for_drawing_change 
    49584 trig.activate_trigger('graphics update', self) 
    49585 File
    49586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49587 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49588 trigger.activate(data) 
    49589 File
    49590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49591 packages/chimerax/core/triggerset.py", line 190, in activate 
    49592 ret = handler.invoke(data, self._remove_bad_handlers) 
    49593 File
    49594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49595 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49596 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49597 File
    49598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49599 packages/chimerax/core/session.py", line 943, in <lambda> 
    49600 logger.report_exception(preface=preface)) 
    49601 File
    49602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49603 packages/chimerax/core/logger.py", line 421, in report_exception 
    49604 elif probably_chimera1_session(exc_info): 
    49605 File
    49606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49607 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49608 etype, evalue, etraceback = exc_info 
    49609 TypeError: cannot unpack non-iterable NoneType object 
    49610  
    49611 TypeError: cannot unpack non-iterable NoneType object 
    49612  
    49613 File
    49614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49615 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49616 etype, evalue, etraceback = exc_info 
    49617  
    49618 See log for complete Python traceback. 
    49619  
    49620 Traceback (most recent call last): 
    49621 File
    49622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49623 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49624 return self._func(self._name, data) 
    49625 File
    49626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49627 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49628 if v.display: 
    49629 File
    49630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49631 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49632 return self._any_displayed_positions and len(self._positions) > 0 
    49633 TypeError: object of type 'NoneType' has no len() 
    49634  
    49635 During handling of the above exception, another exception occurred: 
    49636  
    49637 Traceback (most recent call last): 
    49638 File
    49639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49640 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49641 if not self.draw_new_frame(): 
    49642 File
    49643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49644 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49645 changed = view.check_for_drawing_change() 
    49646 File
    49647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49648 packages/chimerax/core/graphics/view.py", line 252, in
    49649 check_for_drawing_change 
    49650 trig.activate_trigger('graphics update', self) 
    49651 File
    49652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49653 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49654 trigger.activate(data) 
    49655 File
    49656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49657 packages/chimerax/core/triggerset.py", line 190, in activate 
    49658 ret = handler.invoke(data, self._remove_bad_handlers) 
    49659 File
    49660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49661 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49662 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49663 File
    49664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49665 packages/chimerax/core/session.py", line 943, in <lambda> 
    49666 logger.report_exception(preface=preface)) 
    49667 File
    49668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49669 packages/chimerax/core/logger.py", line 421, in report_exception 
    49670 elif probably_chimera1_session(exc_info): 
    49671 File
    49672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49673 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49674 etype, evalue, etraceback = exc_info 
    49675 TypeError: cannot unpack non-iterable NoneType object 
    49676  
    49677 TypeError: cannot unpack non-iterable NoneType object 
    49678  
    49679 File
    49680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49681 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49682 etype, evalue, etraceback = exc_info 
    49683  
    49684 See log for complete Python traceback. 
    49685  
    49686 Traceback (most recent call last): 
    49687 File
    49688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49689 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49690 return self._func(self._name, data) 
    49691 File
    49692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49693 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49694 if v.display: 
    49695 File
    49696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49697 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49698 return self._any_displayed_positions and len(self._positions) > 0 
    49699 TypeError: object of type 'NoneType' has no len() 
    49700  
    49701 During handling of the above exception, another exception occurred: 
    49702  
    49703 Traceback (most recent call last): 
    49704 File
    49705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49706 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49707 if not self.draw_new_frame(): 
    49708 File
    49709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49710 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49711 changed = view.check_for_drawing_change() 
    49712 File
    49713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49714 packages/chimerax/core/graphics/view.py", line 252, in
    49715 check_for_drawing_change 
    49716 trig.activate_trigger('graphics update', self) 
    49717 File
    49718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49719 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49720 trigger.activate(data) 
    49721 File
    49722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49723 packages/chimerax/core/triggerset.py", line 190, in activate 
    49724 ret = handler.invoke(data, self._remove_bad_handlers) 
    49725 File
    49726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49727 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49728 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49729 File
    49730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49731 packages/chimerax/core/session.py", line 943, in <lambda> 
    49732 logger.report_exception(preface=preface)) 
    49733 File
    49734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49735 packages/chimerax/core/logger.py", line 421, in report_exception 
    49736 elif probably_chimera1_session(exc_info): 
    49737 File
    49738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49739 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49740 etype, evalue, etraceback = exc_info 
    49741 TypeError: cannot unpack non-iterable NoneType object 
    49742  
    49743 TypeError: cannot unpack non-iterable NoneType object 
    49744  
    49745 File
    49746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49747 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49748 etype, evalue, etraceback = exc_info 
    49749  
    49750 See log for complete Python traceback. 
    49751  
    49752 Traceback (most recent call last): 
    49753 File
    49754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49755 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49756 return self._func(self._name, data) 
    49757 File
    49758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49759 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49760 if v.display: 
    49761 File
    49762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49763 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49764 return self._any_displayed_positions and len(self._positions) > 0 
    49765 TypeError: object of type 'NoneType' has no len() 
    49766  
    49767 During handling of the above exception, another exception occurred: 
    49768  
    49769 Traceback (most recent call last): 
    49770 File
    49771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49772 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49773 if not self.draw_new_frame(): 
    49774 File
    49775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49776 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49777 changed = view.check_for_drawing_change() 
    49778 File
    49779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49780 packages/chimerax/core/graphics/view.py", line 252, in
    49781 check_for_drawing_change 
    49782 trig.activate_trigger('graphics update', self) 
    49783 File
    49784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49785 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49786 trigger.activate(data) 
    49787 File
    49788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49789 packages/chimerax/core/triggerset.py", line 190, in activate 
    49790 ret = handler.invoke(data, self._remove_bad_handlers) 
    49791 File
    49792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49793 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49794 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49795 File
    49796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49797 packages/chimerax/core/session.py", line 943, in <lambda> 
    49798 logger.report_exception(preface=preface)) 
    49799 File
    49800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49801 packages/chimerax/core/logger.py", line 421, in report_exception 
    49802 elif probably_chimera1_session(exc_info): 
    49803 File
    49804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49805 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49806 etype, evalue, etraceback = exc_info 
    49807 TypeError: cannot unpack non-iterable NoneType object 
    49808  
    49809 TypeError: cannot unpack non-iterable NoneType object 
    49810  
    49811 File
    49812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49813 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49814 etype, evalue, etraceback = exc_info 
    49815  
    49816 See log for complete Python traceback. 
    49817  
    49818 Traceback (most recent call last): 
    49819 File
    49820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49821 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49822 return self._func(self._name, data) 
    49823 File
    49824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49825 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49826 if v.display: 
    49827 File
    49828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49829 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49830 return self._any_displayed_positions and len(self._positions) > 0 
    49831 TypeError: object of type 'NoneType' has no len() 
    49832  
    49833 During handling of the above exception, another exception occurred: 
    49834  
    49835 Traceback (most recent call last): 
    49836 File
    49837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49838 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49839 if not self.draw_new_frame(): 
    49840 File
    49841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49842 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49843 changed = view.check_for_drawing_change() 
    49844 File
    49845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49846 packages/chimerax/core/graphics/view.py", line 252, in
    49847 check_for_drawing_change 
    49848 trig.activate_trigger('graphics update', self) 
    49849 File
    49850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49851 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49852 trigger.activate(data) 
    49853 File
    49854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49855 packages/chimerax/core/triggerset.py", line 190, in activate 
    49856 ret = handler.invoke(data, self._remove_bad_handlers) 
    49857 File
    49858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49859 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49860 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49861 File
    49862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49863 packages/chimerax/core/session.py", line 943, in <lambda> 
    49864 logger.report_exception(preface=preface)) 
    49865 File
    49866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49867 packages/chimerax/core/logger.py", line 421, in report_exception 
    49868 elif probably_chimera1_session(exc_info): 
    49869 File
    49870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49871 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49872 etype, evalue, etraceback = exc_info 
    49873 TypeError: cannot unpack non-iterable NoneType object 
    49874  
    49875 TypeError: cannot unpack non-iterable NoneType object 
    49876  
    49877 File
    49878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49879 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49880 etype, evalue, etraceback = exc_info 
    49881  
    49882 See log for complete Python traceback. 
    49883  
    49884 Traceback (most recent call last): 
    49885 File
    49886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49887 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49888 return self._func(self._name, data) 
    49889 File
    49890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49891 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49892 if v.display: 
    49893 File
    49894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49895 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49896 return self._any_displayed_positions and len(self._positions) > 0 
    49897 TypeError: object of type 'NoneType' has no len() 
    49898  
    49899 During handling of the above exception, another exception occurred: 
    49900  
    49901 Traceback (most recent call last): 
    49902 File
    49903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49904 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49905 if not self.draw_new_frame(): 
    49906 File
    49907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49908 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49909 changed = view.check_for_drawing_change() 
    49910 File
    49911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49912 packages/chimerax/core/graphics/view.py", line 252, in
    49913 check_for_drawing_change 
    49914 trig.activate_trigger('graphics update', self) 
    49915 File
    49916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49917 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49918 trigger.activate(data) 
    49919 File
    49920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49921 packages/chimerax/core/triggerset.py", line 190, in activate 
    49922 ret = handler.invoke(data, self._remove_bad_handlers) 
    49923 File
    49924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49925 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49926 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49927 File
    49928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49929 packages/chimerax/core/session.py", line 943, in <lambda> 
    49930 logger.report_exception(preface=preface)) 
    49931 File
    49932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49933 packages/chimerax/core/logger.py", line 421, in report_exception 
    49934 elif probably_chimera1_session(exc_info): 
    49935 File
    49936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49937 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49938 etype, evalue, etraceback = exc_info 
    49939 TypeError: cannot unpack non-iterable NoneType object 
    49940  
    49941 TypeError: cannot unpack non-iterable NoneType object 
    49942  
    49943 File
    49944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49945 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49946 etype, evalue, etraceback = exc_info 
    49947  
    49948 See log for complete Python traceback. 
    49949  
    49950 Traceback (most recent call last): 
    49951 File
    49952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49953 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49954 return self._func(self._name, data) 
    49955 File
    49956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49957 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49958 if v.display: 
    49959 File
    49960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49961 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49962 return self._any_displayed_positions and len(self._positions) > 0 
    49963 TypeError: object of type 'NoneType' has no len() 
    49964  
    49965 During handling of the above exception, another exception occurred: 
    49966  
    49967 Traceback (most recent call last): 
    49968 File
    49969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49970 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49971 if not self.draw_new_frame(): 
    49972 File
    49973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49974 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49975 changed = view.check_for_drawing_change() 
    49976 File
    49977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49978 packages/chimerax/core/graphics/view.py", line 252, in
    49979 check_for_drawing_change 
    49980 trig.activate_trigger('graphics update', self) 
    49981 File
    49982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49983 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49984 trigger.activate(data) 
    49985 File
    49986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49987 packages/chimerax/core/triggerset.py", line 190, in activate 
    49988 ret = handler.invoke(data, self._remove_bad_handlers) 
    49989 File
    49990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49991 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49992 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49993 File
    49994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49995 packages/chimerax/core/session.py", line 943, in <lambda> 
    49996 logger.report_exception(preface=preface)) 
    49997 File
    49998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49999 packages/chimerax/core/logger.py", line 421, in report_exception 
    50000 elif probably_chimera1_session(exc_info): 
    50001 File
    50002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50003 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50004 etype, evalue, etraceback = exc_info 
    50005 TypeError: cannot unpack non-iterable NoneType object 
    50006  
    50007 TypeError: cannot unpack non-iterable NoneType object 
    50008  
    50009 File
    50010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50011 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50012 etype, evalue, etraceback = exc_info 
    50013  
    50014 See log for complete Python traceback. 
    50015  
    50016 Traceback (most recent call last): 
    50017 File
    50018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50019 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50020 return self._func(self._name, data) 
    50021 File
    50022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50023 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50024 if v.display: 
    50025 File
    50026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50027 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50028 return self._any_displayed_positions and len(self._positions) > 0 
    50029 TypeError: object of type 'NoneType' has no len() 
    50030  
    50031 During handling of the above exception, another exception occurred: 
    50032  
    50033 Traceback (most recent call last): 
    50034 File
    50035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50036 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50037 if not self.draw_new_frame(): 
    50038 File
    50039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50040 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50041 changed = view.check_for_drawing_change() 
    50042 File
    50043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50044 packages/chimerax/core/graphics/view.py", line 252, in
    50045 check_for_drawing_change 
    50046 trig.activate_trigger('graphics update', self) 
    50047 File
    50048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50049 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50050 trigger.activate(data) 
    50051 File
    50052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50053 packages/chimerax/core/triggerset.py", line 190, in activate 
    50054 ret = handler.invoke(data, self._remove_bad_handlers) 
    50055 File
    50056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50057 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50058 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50059 File
    50060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50061 packages/chimerax/core/session.py", line 943, in <lambda> 
    50062 logger.report_exception(preface=preface)) 
    50063 File
    50064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50065 packages/chimerax/core/logger.py", line 421, in report_exception 
    50066 elif probably_chimera1_session(exc_info): 
    50067 File
    50068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50069 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50070 etype, evalue, etraceback = exc_info 
    50071 TypeError: cannot unpack non-iterable NoneType object 
    50072  
    50073 TypeError: cannot unpack non-iterable NoneType object 
    50074  
    50075 File
    50076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50077 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50078 etype, evalue, etraceback = exc_info 
    50079  
    50080 See log for complete Python traceback. 
    50081  
    50082 Traceback (most recent call last): 
    50083 File
    50084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50085 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50086 return self._func(self._name, data) 
    50087 File
    50088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50089 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50090 if v.display: 
    50091 File
    50092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50093 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50094 return self._any_displayed_positions and len(self._positions) > 0 
    50095 TypeError: object of type 'NoneType' has no len() 
    50096  
    50097 During handling of the above exception, another exception occurred: 
    50098  
    50099 Traceback (most recent call last): 
    50100 File
    50101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50102 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50103 if not self.draw_new_frame(): 
    50104 File
    50105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50106 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50107 changed = view.check_for_drawing_change() 
    50108 File
    50109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50110 packages/chimerax/core/graphics/view.py", line 252, in
    50111 check_for_drawing_change 
    50112 trig.activate_trigger('graphics update', self) 
    50113 File
    50114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50115 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50116 trigger.activate(data) 
    50117 File
    50118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50119 packages/chimerax/core/triggerset.py", line 190, in activate 
    50120 ret = handler.invoke(data, self._remove_bad_handlers) 
    50121 File
    50122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50123 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50124 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50125 File
    50126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50127 packages/chimerax/core/session.py", line 943, in <lambda> 
    50128 logger.report_exception(preface=preface)) 
    50129 File
    50130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50131 packages/chimerax/core/logger.py", line 421, in report_exception 
    50132 elif probably_chimera1_session(exc_info): 
    50133 File
    50134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50135 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50136 etype, evalue, etraceback = exc_info 
    50137 TypeError: cannot unpack non-iterable NoneType object 
    50138  
    50139 TypeError: cannot unpack non-iterable NoneType object 
    50140  
    50141 File
    50142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50143 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50144 etype, evalue, etraceback = exc_info 
    50145  
    50146 See log for complete Python traceback. 
    50147  
    50148 Traceback (most recent call last): 
    50149 File
    50150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50151 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50152 return self._func(self._name, data) 
    50153 File
    50154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50155 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50156 if v.display: 
    50157 File
    50158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50159 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50160 return self._any_displayed_positions and len(self._positions) > 0 
    50161 TypeError: object of type 'NoneType' has no len() 
    50162  
    50163 During handling of the above exception, another exception occurred: 
    50164  
    50165 Traceback (most recent call last): 
    50166 File
    50167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50168 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50169 if not self.draw_new_frame(): 
    50170 File
    50171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50172 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50173 changed = view.check_for_drawing_change() 
    50174 File
    50175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50176 packages/chimerax/core/graphics/view.py", line 252, in
    50177 check_for_drawing_change 
    50178 trig.activate_trigger('graphics update', self) 
    50179 File
    50180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50181 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50182 trigger.activate(data) 
    50183 File
    50184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50185 packages/chimerax/core/triggerset.py", line 190, in activate 
    50186 ret = handler.invoke(data, self._remove_bad_handlers) 
    50187 File
    50188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50189 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50190 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50191 File
    50192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50193 packages/chimerax/core/session.py", line 943, in <lambda> 
    50194 logger.report_exception(preface=preface)) 
    50195 File
    50196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50197 packages/chimerax/core/logger.py", line 421, in report_exception 
    50198 elif probably_chimera1_session(exc_info): 
    50199 File
    50200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50201 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50202 etype, evalue, etraceback = exc_info 
    50203 TypeError: cannot unpack non-iterable NoneType object 
    50204  
    50205 TypeError: cannot unpack non-iterable NoneType object 
    50206  
    50207 File
    50208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50209 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50210 etype, evalue, etraceback = exc_info 
    50211  
    50212 See log for complete Python traceback. 
    50213  
    50214 Traceback (most recent call last): 
    50215 File
    50216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50217 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50218 return self._func(self._name, data) 
    50219 File
    50220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50221 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50222 if v.display: 
    50223 File
    50224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50225 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50226 return self._any_displayed_positions and len(self._positions) > 0 
    50227 TypeError: object of type 'NoneType' has no len() 
    50228  
    50229 During handling of the above exception, another exception occurred: 
    50230  
    50231 Traceback (most recent call last): 
    50232 File
    50233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50234 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50235 if not self.draw_new_frame(): 
    50236 File
    50237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50238 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50239 changed = view.check_for_drawing_change() 
    50240 File
    50241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50242 packages/chimerax/core/graphics/view.py", line 252, in
    50243 check_for_drawing_change 
    50244 trig.activate_trigger('graphics update', self) 
    50245 File
    50246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50247 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50248 trigger.activate(data) 
    50249 File
    50250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50251 packages/chimerax/core/triggerset.py", line 190, in activate 
    50252 ret = handler.invoke(data, self._remove_bad_handlers) 
    50253 File
    50254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50255 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50256 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50257 File
    50258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50259 packages/chimerax/core/session.py", line 943, in <lambda> 
    50260 logger.report_exception(preface=preface)) 
    50261 File
    50262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50263 packages/chimerax/core/logger.py", line 421, in report_exception 
    50264 elif probably_chimera1_session(exc_info): 
    50265 File
    50266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50267 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50268 etype, evalue, etraceback = exc_info 
    50269 TypeError: cannot unpack non-iterable NoneType object 
    50270  
    50271 TypeError: cannot unpack non-iterable NoneType object 
    50272  
    50273 File
    50274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50275 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50276 etype, evalue, etraceback = exc_info 
    50277  
    50278 See log for complete Python traceback. 
    50279  
    50280 Traceback (most recent call last): 
    50281 File
    50282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50283 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50284 return self._func(self._name, data) 
    50285 File
    50286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50287 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50288 if v.display: 
    50289 File
    50290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50291 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50292 return self._any_displayed_positions and len(self._positions) > 0 
    50293 TypeError: object of type 'NoneType' has no len() 
    50294  
    50295 During handling of the above exception, another exception occurred: 
    50296  
    50297 Traceback (most recent call last): 
    50298 File
    50299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50300 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50301 if not self.draw_new_frame(): 
    50302 File
    50303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50304 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50305 changed = view.check_for_drawing_change() 
    50306 File
    50307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50308 packages/chimerax/core/graphics/view.py", line 252, in
    50309 check_for_drawing_change 
    50310 trig.activate_trigger('graphics update', self) 
    50311 File
    50312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50313 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50314 trigger.activate(data) 
    50315 File
    50316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50317 packages/chimerax/core/triggerset.py", line 190, in activate 
    50318 ret = handler.invoke(data, self._remove_bad_handlers) 
    50319 File
    50320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50321 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50322 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50323 File
    50324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50325 packages/chimerax/core/session.py", line 943, in <lambda> 
    50326 logger.report_exception(preface=preface)) 
    50327 File
    50328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50329 packages/chimerax/core/logger.py", line 421, in report_exception 
    50330 elif probably_chimera1_session(exc_info): 
    50331 File
    50332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50333 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50334 etype, evalue, etraceback = exc_info 
    50335 TypeError: cannot unpack non-iterable NoneType object 
    50336  
    50337 TypeError: cannot unpack non-iterable NoneType object 
    50338  
    50339 File
    50340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50341 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50342 etype, evalue, etraceback = exc_info 
    50343  
    50344 See log for complete Python traceback. 
    50345  
    50346 Traceback (most recent call last): 
    50347 File
    50348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50349 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50350 return self._func(self._name, data) 
    50351 File
    50352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50353 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50354 if v.display: 
    50355 File
    50356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50357 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50358 return self._any_displayed_positions and len(self._positions) > 0 
    50359 TypeError: object of type 'NoneType' has no len() 
    50360  
    50361 During handling of the above exception, another exception occurred: 
    50362  
    50363 Traceback (most recent call last): 
    50364 File
    50365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50366 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50367 if not self.draw_new_frame(): 
    50368 File
    50369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50370 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50371 changed = view.check_for_drawing_change() 
    50372 File
    50373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50374 packages/chimerax/core/graphics/view.py", line 252, in
    50375 check_for_drawing_change 
    50376 trig.activate_trigger('graphics update', self) 
    50377 File
    50378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50379 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50380 trigger.activate(data) 
    50381 File
    50382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50383 packages/chimerax/core/triggerset.py", line 190, in activate 
    50384 ret = handler.invoke(data, self._remove_bad_handlers) 
    50385 File
    50386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50387 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50388 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50389 File
    50390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50391 packages/chimerax/core/session.py", line 943, in <lambda> 
    50392 logger.report_exception(preface=preface)) 
    50393 File
    50394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50395 packages/chimerax/core/logger.py", line 421, in report_exception 
    50396 elif probably_chimera1_session(exc_info): 
    50397 File
    50398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50399 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50400 etype, evalue, etraceback = exc_info 
    50401 TypeError: cannot unpack non-iterable NoneType object 
    50402  
    50403 TypeError: cannot unpack non-iterable NoneType object 
    50404  
    50405 File
    50406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50407 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50408 etype, evalue, etraceback = exc_info 
    50409  
    50410 See log for complete Python traceback. 
    50411  
    50412 Traceback (most recent call last): 
    50413 File
    50414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50415 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50416 return self._func(self._name, data) 
    50417 File
    50418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50419 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50420 if v.display: 
    50421 File
    50422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50423 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50424 return self._any_displayed_positions and len(self._positions) > 0 
    50425 TypeError: object of type 'NoneType' has no len() 
    50426  
    50427 During handling of the above exception, another exception occurred: 
    50428  
    50429 Traceback (most recent call last): 
    50430 File
    50431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50432 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50433 if not self.draw_new_frame(): 
    50434 File
    50435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50436 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50437 changed = view.check_for_drawing_change() 
    50438 File
    50439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50440 packages/chimerax/core/graphics/view.py", line 252, in
    50441 check_for_drawing_change 
    50442 trig.activate_trigger('graphics update', self) 
    50443 File
    50444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50445 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50446 trigger.activate(data) 
    50447 File
    50448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50449 packages/chimerax/core/triggerset.py", line 190, in activate 
    50450 ret = handler.invoke(data, self._remove_bad_handlers) 
    50451 File
    50452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50453 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50454 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50455 File
    50456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50457 packages/chimerax/core/session.py", line 943, in <lambda> 
    50458 logger.report_exception(preface=preface)) 
    50459 File
    50460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50461 packages/chimerax/core/logger.py", line 421, in report_exception 
    50462 elif probably_chimera1_session(exc_info): 
    50463 File
    50464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50465 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50466 etype, evalue, etraceback = exc_info 
    50467 TypeError: cannot unpack non-iterable NoneType object 
    50468  
    50469 TypeError: cannot unpack non-iterable NoneType object 
    50470  
    50471 File
    50472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50473 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50474 etype, evalue, etraceback = exc_info 
    50475  
    50476 See log for complete Python traceback. 
    50477  
    50478 Traceback (most recent call last): 
    50479 File
    50480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50481 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50482 return self._func(self._name, data) 
    50483 File
    50484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50485 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50486 if v.display: 
    50487 File
    50488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50489 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50490 return self._any_displayed_positions and len(self._positions) > 0 
    50491 TypeError: object of type 'NoneType' has no len() 
    50492  
    50493 During handling of the above exception, another exception occurred: 
    50494  
    50495 Traceback (most recent call last): 
    50496 File
    50497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50498 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50499 if not self.draw_new_frame(): 
    50500 File
    50501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50502 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50503 changed = view.check_for_drawing_change() 
    50504 File
    50505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50506 packages/chimerax/core/graphics/view.py", line 252, in
    50507 check_for_drawing_change 
    50508 trig.activate_trigger('graphics update', self) 
    50509 File
    50510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50511 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50512 trigger.activate(data) 
    50513 File
    50514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50515 packages/chimerax/core/triggerset.py", line 190, in activate 
    50516 ret = handler.invoke(data, self._remove_bad_handlers) 
    50517 File
    50518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50519 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50520 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50521 File
    50522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50523 packages/chimerax/core/session.py", line 943, in <lambda> 
    50524 logger.report_exception(preface=preface)) 
    50525 File
    50526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50527 packages/chimerax/core/logger.py", line 421, in report_exception 
    50528 elif probably_chimera1_session(exc_info): 
    50529 File
    50530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50531 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50532 etype, evalue, etraceback = exc_info 
    50533 TypeError: cannot unpack non-iterable NoneType object 
    50534  
    50535 TypeError: cannot unpack non-iterable NoneType object 
    50536  
    50537 File
    50538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50539 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50540 etype, evalue, etraceback = exc_info 
    50541  
    50542 See log for complete Python traceback. 
    50543  
    50544 Traceback (most recent call last): 
    50545 File
    50546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50547 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50548 return self._func(self._name, data) 
    50549 File
    50550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50551 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50552 if v.display: 
    50553 File
    50554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50555 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50556 return self._any_displayed_positions and len(self._positions) > 0 
    50557 TypeError: object of type 'NoneType' has no len() 
    50558  
    50559 During handling of the above exception, another exception occurred: 
    50560  
    50561 Traceback (most recent call last): 
    50562 File
    50563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50564 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50565 if not self.draw_new_frame(): 
    50566 File
    50567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50568 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50569 changed = view.check_for_drawing_change() 
    50570 File
    50571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50572 packages/chimerax/core/graphics/view.py", line 252, in
    50573 check_for_drawing_change 
    50574 trig.activate_trigger('graphics update', self) 
    50575 File
    50576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50577 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50578 trigger.activate(data) 
    50579 File
    50580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50581 packages/chimerax/core/triggerset.py", line 190, in activate 
    50582 ret = handler.invoke(data, self._remove_bad_handlers) 
    50583 File
    50584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50585 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50586 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50587 File
    50588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50589 packages/chimerax/core/session.py", line 943, in <lambda> 
    50590 logger.report_exception(preface=preface)) 
    50591 File
    50592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50593 packages/chimerax/core/logger.py", line 421, in report_exception 
    50594 elif probably_chimera1_session(exc_info): 
    50595 File
    50596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50597 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50598 etype, evalue, etraceback = exc_info 
    50599 TypeError: cannot unpack non-iterable NoneType object 
    50600  
    50601 TypeError: cannot unpack non-iterable NoneType object 
    50602  
    50603 File
    50604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50605 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50606 etype, evalue, etraceback = exc_info 
    50607  
    50608 See log for complete Python traceback. 
    50609  
    50610 Traceback (most recent call last): 
    50611 File
    50612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50613 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50614 return self._func(self._name, data) 
    50615 File
    50616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50617 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50618 if v.display: 
    50619 File
    50620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50621 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50622 return self._any_displayed_positions and len(self._positions) > 0 
    50623 TypeError: object of type 'NoneType' has no len() 
    50624  
    50625 During handling of the above exception, another exception occurred: 
    50626  
    50627 Traceback (most recent call last): 
    50628 File
    50629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50630 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50631 if not self.draw_new_frame(): 
    50632 File
    50633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50634 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50635 changed = view.check_for_drawing_change() 
    50636 File
    50637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50638 packages/chimerax/core/graphics/view.py", line 252, in
    50639 check_for_drawing_change 
    50640 trig.activate_trigger('graphics update', self) 
    50641 File
    50642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50643 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50644 trigger.activate(data) 
    50645 File
    50646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50647 packages/chimerax/core/triggerset.py", line 190, in activate 
    50648 ret = handler.invoke(data, self._remove_bad_handlers) 
    50649 File
    50650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50651 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50652 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50653 File
    50654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50655 packages/chimerax/core/session.py", line 943, in <lambda> 
    50656 logger.report_exception(preface=preface)) 
    50657 File
    50658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50659 packages/chimerax/core/logger.py", line 421, in report_exception 
    50660 elif probably_chimera1_session(exc_info): 
    50661 File
    50662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50663 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50664 etype, evalue, etraceback = exc_info 
    50665 TypeError: cannot unpack non-iterable NoneType object 
    50666  
    50667 TypeError: cannot unpack non-iterable NoneType object 
    50668  
    50669 File
    50670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50671 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50672 etype, evalue, etraceback = exc_info 
    50673  
    50674 See log for complete Python traceback. 
    50675  
    50676 Traceback (most recent call last): 
    50677 File
    50678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50679 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50680 return self._func(self._name, data) 
    50681 File
    50682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50683 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50684 if v.display: 
    50685 File
    50686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50687 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50688 return self._any_displayed_positions and len(self._positions) > 0 
    50689 TypeError: object of type 'NoneType' has no len() 
    50690  
    50691 During handling of the above exception, another exception occurred: 
    50692  
    50693 Traceback (most recent call last): 
    50694 File
    50695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50696 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50697 if not self.draw_new_frame(): 
    50698 File
    50699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50700 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50701 changed = view.check_for_drawing_change() 
    50702 File
    50703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50704 packages/chimerax/core/graphics/view.py", line 252, in
    50705 check_for_drawing_change 
    50706 trig.activate_trigger('graphics update', self) 
    50707 File
    50708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50709 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50710 trigger.activate(data) 
    50711 File
    50712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50713 packages/chimerax/core/triggerset.py", line 190, in activate 
    50714 ret = handler.invoke(data, self._remove_bad_handlers) 
    50715 File
    50716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50717 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50718 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50719 File
    50720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50721 packages/chimerax/core/session.py", line 943, in <lambda> 
    50722 logger.report_exception(preface=preface)) 
    50723 File
    50724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50725 packages/chimerax/core/logger.py", line 421, in report_exception 
    50726 elif probably_chimera1_session(exc_info): 
    50727 File
    50728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50729 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50730 etype, evalue, etraceback = exc_info 
    50731 TypeError: cannot unpack non-iterable NoneType object 
    50732  
    50733 TypeError: cannot unpack non-iterable NoneType object 
    50734  
    50735 File
    50736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50737 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50738 etype, evalue, etraceback = exc_info 
    50739  
    50740 See log for complete Python traceback. 
    50741  
    50742 Traceback (most recent call last): 
    50743 File
    50744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50745 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50746 return self._func(self._name, data) 
    50747 File
    50748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50749 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50750 if v.display: 
    50751 File
    50752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50753 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50754 return self._any_displayed_positions and len(self._positions) > 0 
    50755 TypeError: object of type 'NoneType' has no len() 
    50756  
    50757 During handling of the above exception, another exception occurred: 
    50758  
    50759 Traceback (most recent call last): 
    50760 File
    50761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50762 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50763 if not self.draw_new_frame(): 
    50764 File
    50765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50766 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50767 changed = view.check_for_drawing_change() 
    50768 File
    50769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50770 packages/chimerax/core/graphics/view.py", line 252, in
    50771 check_for_drawing_change 
    50772 trig.activate_trigger('graphics update', self) 
    50773 File
    50774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50775 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50776 trigger.activate(data) 
    50777 File
    50778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50779 packages/chimerax/core/triggerset.py", line 190, in activate 
    50780 ret = handler.invoke(data, self._remove_bad_handlers) 
    50781 File
    50782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50783 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50784 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50785 File
    50786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50787 packages/chimerax/core/session.py", line 943, in <lambda> 
    50788 logger.report_exception(preface=preface)) 
    50789 File
    50790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50791 packages/chimerax/core/logger.py", line 421, in report_exception 
    50792 elif probably_chimera1_session(exc_info): 
    50793 File
    50794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50795 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50796 etype, evalue, etraceback = exc_info 
    50797 TypeError: cannot unpack non-iterable NoneType object 
    50798  
    50799 TypeError: cannot unpack non-iterable NoneType object 
    50800  
    50801 File
    50802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50803 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50804 etype, evalue, etraceback = exc_info 
    50805  
    50806 See log for complete Python traceback. 
    50807  
    50808 Traceback (most recent call last): 
    50809 File
    50810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50811 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50812 return self._func(self._name, data) 
    50813 File
    50814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50815 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50816 if v.display: 
    50817 File
    50818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50819 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50820 return self._any_displayed_positions and len(self._positions) > 0 
    50821 TypeError: object of type 'NoneType' has no len() 
    50822  
    50823 During handling of the above exception, another exception occurred: 
    50824  
    50825 Traceback (most recent call last): 
    50826 File
    50827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50828 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50829 if not self.draw_new_frame(): 
    50830 File
    50831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50832 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50833 changed = view.check_for_drawing_change() 
    50834 File
    50835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50836 packages/chimerax/core/graphics/view.py", line 252, in
    50837 check_for_drawing_change 
    50838 trig.activate_trigger('graphics update', self) 
    50839 File
    50840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50841 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50842 trigger.activate(data) 
    50843 File
    50844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50845 packages/chimerax/core/triggerset.py", line 190, in activate 
    50846 ret = handler.invoke(data, self._remove_bad_handlers) 
    50847 File
    50848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50849 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50850 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50851 File
    50852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50853 packages/chimerax/core/session.py", line 943, in <lambda> 
    50854 logger.report_exception(preface=preface)) 
    50855 File
    50856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50857 packages/chimerax/core/logger.py", line 421, in report_exception 
    50858 elif probably_chimera1_session(exc_info): 
    50859 File
    50860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50861 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50862 etype, evalue, etraceback = exc_info 
    50863 TypeError: cannot unpack non-iterable NoneType object 
    50864  
    50865 TypeError: cannot unpack non-iterable NoneType object 
    50866  
    50867 File
    50868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50869 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50870 etype, evalue, etraceback = exc_info 
    50871  
    50872 See log for complete Python traceback. 
    50873  
    50874 Traceback (most recent call last): 
    50875 File
    50876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50877 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50878 return self._func(self._name, data) 
    50879 File
    50880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50881 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50882 if v.display: 
    50883 File
    50884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50885 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50886 return self._any_displayed_positions and len(self._positions) > 0 
    50887 TypeError: object of type 'NoneType' has no len() 
    50888  
    50889 During handling of the above exception, another exception occurred: 
    50890  
    50891 Traceback (most recent call last): 
    50892 File
    50893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50894 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50895 if not self.draw_new_frame(): 
    50896 File
    50897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50898 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50899 changed = view.check_for_drawing_change() 
    50900 File
    50901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50902 packages/chimerax/core/graphics/view.py", line 252, in
    50903 check_for_drawing_change 
    50904 trig.activate_trigger('graphics update', self) 
    50905 File
    50906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50907 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50908 trigger.activate(data) 
    50909 File
    50910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50911 packages/chimerax/core/triggerset.py", line 190, in activate 
    50912 ret = handler.invoke(data, self._remove_bad_handlers) 
    50913 File
    50914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50915 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50916 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50917 File
    50918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50919 packages/chimerax/core/session.py", line 943, in <lambda> 
    50920 logger.report_exception(preface=preface)) 
    50921 File
    50922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50923 packages/chimerax/core/logger.py", line 421, in report_exception 
    50924 elif probably_chimera1_session(exc_info): 
    50925 File
    50926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50927 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50928 etype, evalue, etraceback = exc_info 
    50929 TypeError: cannot unpack non-iterable NoneType object 
    50930  
    50931 TypeError: cannot unpack non-iterable NoneType object 
    50932  
    50933 File
    50934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50935 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50936 etype, evalue, etraceback = exc_info 
    50937  
    50938 See log for complete Python traceback. 
    50939  
    50940 Traceback (most recent call last): 
    50941 File
    50942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50943 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50944 return self._func(self._name, data) 
    50945 File
    50946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50947 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50948 if v.display: 
    50949 File
    50950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50951 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50952 return self._any_displayed_positions and len(self._positions) > 0 
    50953 TypeError: object of type 'NoneType' has no len() 
    50954  
    50955 During handling of the above exception, another exception occurred: 
    50956  
    50957 Traceback (most recent call last): 
    50958 File
    50959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50960 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50961 if not self.draw_new_frame(): 
    50962 File
    50963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50964 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50965 changed = view.check_for_drawing_change() 
    50966 File
    50967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50968 packages/chimerax/core/graphics/view.py", line 252, in
    50969 check_for_drawing_change 
    50970 trig.activate_trigger('graphics update', self) 
    50971 File
    50972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50973 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50974 trigger.activate(data) 
    50975 File
    50976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50977 packages/chimerax/core/triggerset.py", line 190, in activate 
    50978 ret = handler.invoke(data, self._remove_bad_handlers) 
    50979 File
    50980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50981 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50982 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50983 File
    50984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50985 packages/chimerax/core/session.py", line 943, in <lambda> 
    50986 logger.report_exception(preface=preface)) 
    50987 File
    50988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50989 packages/chimerax/core/logger.py", line 421, in report_exception 
    50990 elif probably_chimera1_session(exc_info): 
    50991 File
    50992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50993 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50994 etype, evalue, etraceback = exc_info 
    50995 TypeError: cannot unpack non-iterable NoneType object 
    50996  
    50997 TypeError: cannot unpack non-iterable NoneType object 
    50998  
    50999 File
    51000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51001 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51002 etype, evalue, etraceback = exc_info 
    51003  
    51004 See log for complete Python traceback. 
    51005  
    51006 Traceback (most recent call last): 
    51007 File
    51008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51009 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51010 return self._func(self._name, data) 
    51011 File
    51012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51013 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51014 if v.display: 
    51015 File
    51016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51017 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51018 return self._any_displayed_positions and len(self._positions) > 0 
    51019 TypeError: object of type 'NoneType' has no len() 
    51020  
    51021 During handling of the above exception, another exception occurred: 
    51022  
    51023 Traceback (most recent call last): 
    51024 File
    51025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51026 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51027 if not self.draw_new_frame(): 
    51028 File
    51029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51030 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51031 changed = view.check_for_drawing_change() 
    51032 File
    51033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51034 packages/chimerax/core/graphics/view.py", line 252, in
    51035 check_for_drawing_change 
    51036 trig.activate_trigger('graphics update', self) 
    51037 File
    51038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51039 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51040 trigger.activate(data) 
    51041 File
    51042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51043 packages/chimerax/core/triggerset.py", line 190, in activate 
    51044 ret = handler.invoke(data, self._remove_bad_handlers) 
    51045 File
    51046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51047 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51048 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51049 File
    51050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51051 packages/chimerax/core/session.py", line 943, in <lambda> 
    51052 logger.report_exception(preface=preface)) 
    51053 File
    51054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51055 packages/chimerax/core/logger.py", line 421, in report_exception 
    51056 elif probably_chimera1_session(exc_info): 
    51057 File
    51058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51059 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51060 etype, evalue, etraceback = exc_info 
    51061 TypeError: cannot unpack non-iterable NoneType object 
    51062  
    51063 TypeError: cannot unpack non-iterable NoneType object 
    51064  
    51065 File
    51066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51067 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51068 etype, evalue, etraceback = exc_info 
    51069  
    51070 See log for complete Python traceback. 
    51071  
    51072 Traceback (most recent call last): 
    51073 File
    51074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51075 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51076 return self._func(self._name, data) 
    51077 File
    51078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51079 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51080 if v.display: 
    51081 File
    51082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51083 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51084 return self._any_displayed_positions and len(self._positions) > 0 
    51085 TypeError: object of type 'NoneType' has no len() 
    51086  
    51087 During handling of the above exception, another exception occurred: 
    51088  
    51089 Traceback (most recent call last): 
    51090 File
    51091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51092 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51093 if not self.draw_new_frame(): 
    51094 File
    51095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51096 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51097 changed = view.check_for_drawing_change() 
    51098 File
    51099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51100 packages/chimerax/core/graphics/view.py", line 252, in
    51101 check_for_drawing_change 
    51102 trig.activate_trigger('graphics update', self) 
    51103 File
    51104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51105 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51106 trigger.activate(data) 
    51107 File
    51108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51109 packages/chimerax/core/triggerset.py", line 190, in activate 
    51110 ret = handler.invoke(data, self._remove_bad_handlers) 
    51111 File
    51112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51113 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51114 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51115 File
    51116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51117 packages/chimerax/core/session.py", line 943, in <lambda> 
    51118 logger.report_exception(preface=preface)) 
    51119 File
    51120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51121 packages/chimerax/core/logger.py", line 421, in report_exception 
    51122 elif probably_chimera1_session(exc_info): 
    51123 File
    51124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51125 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51126 etype, evalue, etraceback = exc_info 
    51127 TypeError: cannot unpack non-iterable NoneType object 
    51128  
    51129 TypeError: cannot unpack non-iterable NoneType object 
    51130  
    51131 File
    51132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51133 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51134 etype, evalue, etraceback = exc_info 
    51135  
    51136 See log for complete Python traceback. 
    51137  
    51138 Traceback (most recent call last): 
    51139 File
    51140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51141 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51142 return self._func(self._name, data) 
    51143 File
    51144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51145 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51146 if v.display: 
    51147 File
    51148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51149 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51150 return self._any_displayed_positions and len(self._positions) > 0 
    51151 TypeError: object of type 'NoneType' has no len() 
    51152  
    51153 During handling of the above exception, another exception occurred: 
    51154  
    51155 Traceback (most recent call last): 
    51156 File
    51157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51158 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51159 if not self.draw_new_frame(): 
    51160 File
    51161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51162 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51163 changed = view.check_for_drawing_change() 
    51164 File
    51165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51166 packages/chimerax/core/graphics/view.py", line 252, in
    51167 check_for_drawing_change 
    51168 trig.activate_trigger('graphics update', self) 
    51169 File
    51170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51171 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51172 trigger.activate(data) 
    51173 File
    51174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51175 packages/chimerax/core/triggerset.py", line 190, in activate 
    51176 ret = handler.invoke(data, self._remove_bad_handlers) 
    51177 File
    51178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51179 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51180 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51181 File
    51182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51183 packages/chimerax/core/session.py", line 943, in <lambda> 
    51184 logger.report_exception(preface=preface)) 
    51185 File
    51186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51187 packages/chimerax/core/logger.py", line 421, in report_exception 
    51188 elif probably_chimera1_session(exc_info): 
    51189 File
    51190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51191 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51192 etype, evalue, etraceback = exc_info 
    51193 TypeError: cannot unpack non-iterable NoneType object 
    51194  
    51195 TypeError: cannot unpack non-iterable NoneType object 
    51196  
    51197 File
    51198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51199 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51200 etype, evalue, etraceback = exc_info 
    51201  
    51202 See log for complete Python traceback. 
    51203  
    51204 Traceback (most recent call last): 
    51205 File
    51206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51207 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51208 return self._func(self._name, data) 
    51209 File
    51210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51211 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51212 if v.display: 
    51213 File
    51214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51215 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51216 return self._any_displayed_positions and len(self._positions) > 0 
    51217 TypeError: object of type 'NoneType' has no len() 
    51218  
    51219 During handling of the above exception, another exception occurred: 
    51220  
    51221 Traceback (most recent call last): 
    51222 File
    51223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51224 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51225 if not self.draw_new_frame(): 
    51226 File
    51227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51228 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51229 changed = view.check_for_drawing_change() 
    51230 File
    51231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51232 packages/chimerax/core/graphics/view.py", line 252, in
    51233 check_for_drawing_change 
    51234 trig.activate_trigger('graphics update', self) 
    51235 File
    51236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51237 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51238 trigger.activate(data) 
    51239 File
    51240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51241 packages/chimerax/core/triggerset.py", line 190, in activate 
    51242 ret = handler.invoke(data, self._remove_bad_handlers) 
    51243 File
    51244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51245 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51246 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51247 File
    51248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51249 packages/chimerax/core/session.py", line 943, in <lambda> 
    51250 logger.report_exception(preface=preface)) 
    51251 File
    51252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51253 packages/chimerax/core/logger.py", line 421, in report_exception 
    51254 elif probably_chimera1_session(exc_info): 
    51255 File
    51256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51257 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51258 etype, evalue, etraceback = exc_info 
    51259 TypeError: cannot unpack non-iterable NoneType object 
    51260  
    51261 TypeError: cannot unpack non-iterable NoneType object 
    51262  
    51263 File
    51264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51265 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51266 etype, evalue, etraceback = exc_info 
    51267  
    51268 See log for complete Python traceback. 
    51269  
    51270 Traceback (most recent call last): 
    51271 File
    51272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51273 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51274 return self._func(self._name, data) 
    51275 File
    51276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51277 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51278 if v.display: 
    51279 File
    51280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51281 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51282 return self._any_displayed_positions and len(self._positions) > 0 
    51283 TypeError: object of type 'NoneType' has no len() 
    51284  
    51285 During handling of the above exception, another exception occurred: 
    51286  
    51287 Traceback (most recent call last): 
    51288 File
    51289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51290 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51291 if not self.draw_new_frame(): 
    51292 File
    51293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51294 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51295 changed = view.check_for_drawing_change() 
    51296 File
    51297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51298 packages/chimerax/core/graphics/view.py", line 252, in
    51299 check_for_drawing_change 
    51300 trig.activate_trigger('graphics update', self) 
    51301 File
    51302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51303 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51304 trigger.activate(data) 
    51305 File
    51306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51307 packages/chimerax/core/triggerset.py", line 190, in activate 
    51308 ret = handler.invoke(data, self._remove_bad_handlers) 
    51309 File
    51310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51311 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51312 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51313 File
    51314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51315 packages/chimerax/core/session.py", line 943, in <lambda> 
    51316 logger.report_exception(preface=preface)) 
    51317 File
    51318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51319 packages/chimerax/core/logger.py", line 421, in report_exception 
    51320 elif probably_chimera1_session(exc_info): 
    51321 File
    51322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51323 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51324 etype, evalue, etraceback = exc_info 
    51325 TypeError: cannot unpack non-iterable NoneType object 
    51326  
    51327 TypeError: cannot unpack non-iterable NoneType object 
    51328  
    51329 File
    51330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51331 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51332 etype, evalue, etraceback = exc_info 
    51333  
    51334 See log for complete Python traceback. 
    51335  
    51336 Traceback (most recent call last): 
    51337 File
    51338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51339 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51340 return self._func(self._name, data) 
    51341 File
    51342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51343 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51344 if v.display: 
    51345 File
    51346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51347 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51348 return self._any_displayed_positions and len(self._positions) > 0 
    51349 TypeError: object of type 'NoneType' has no len() 
    51350  
    51351 During handling of the above exception, another exception occurred: 
    51352  
    51353 Traceback (most recent call last): 
    51354 File
    51355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51356 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51357 if not self.draw_new_frame(): 
    51358 File
    51359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51360 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51361 changed = view.check_for_drawing_change() 
    51362 File
    51363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51364 packages/chimerax/core/graphics/view.py", line 252, in
    51365 check_for_drawing_change 
    51366 trig.activate_trigger('graphics update', self) 
    51367 File
    51368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51369 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51370 trigger.activate(data) 
    51371 File
    51372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51373 packages/chimerax/core/triggerset.py", line 190, in activate 
    51374 ret = handler.invoke(data, self._remove_bad_handlers) 
    51375 File
    51376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51377 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51378 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51379 File
    51380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51381 packages/chimerax/core/session.py", line 943, in <lambda> 
    51382 logger.report_exception(preface=preface)) 
    51383 File
    51384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51385 packages/chimerax/core/logger.py", line 421, in report_exception 
    51386 elif probably_chimera1_session(exc_info): 
    51387 File
    51388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51389 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51390 etype, evalue, etraceback = exc_info 
    51391 TypeError: cannot unpack non-iterable NoneType object 
    51392  
    51393 TypeError: cannot unpack non-iterable NoneType object 
    51394  
    51395 File
    51396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51397 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51398 etype, evalue, etraceback = exc_info 
    51399  
    51400 See log for complete Python traceback. 
    51401  
    51402 Traceback (most recent call last): 
    51403 File
    51404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51405 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51406 return self._func(self._name, data) 
    51407 File
    51408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51409 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51410 if v.display: 
    51411 File
    51412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51413 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51414 return self._any_displayed_positions and len(self._positions) > 0 
    51415 TypeError: object of type 'NoneType' has no len() 
    51416  
    51417 During handling of the above exception, another exception occurred: 
    51418  
    51419 Traceback (most recent call last): 
    51420 File
    51421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51422 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51423 if not self.draw_new_frame(): 
    51424 File
    51425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51426 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51427 changed = view.check_for_drawing_change() 
    51428 File
    51429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51430 packages/chimerax/core/graphics/view.py", line 252, in
    51431 check_for_drawing_change 
    51432 trig.activate_trigger('graphics update', self) 
    51433 File
    51434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51435 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51436 trigger.activate(data) 
    51437 File
    51438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51439 packages/chimerax/core/triggerset.py", line 190, in activate 
    51440 ret = handler.invoke(data, self._remove_bad_handlers) 
    51441 File
    51442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51443 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51444 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51445 File
    51446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51447 packages/chimerax/core/session.py", line 943, in <lambda> 
    51448 logger.report_exception(preface=preface)) 
    51449 File
    51450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51451 packages/chimerax/core/logger.py", line 421, in report_exception 
    51452 elif probably_chimera1_session(exc_info): 
    51453 File
    51454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51455 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51456 etype, evalue, etraceback = exc_info 
    51457 TypeError: cannot unpack non-iterable NoneType object 
    51458  
    51459 TypeError: cannot unpack non-iterable NoneType object 
    51460  
    51461 File
    51462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51463 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51464 etype, evalue, etraceback = exc_info 
    51465  
    51466 See log for complete Python traceback. 
    51467  
    51468 Traceback (most recent call last): 
    51469 File
    51470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51471 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51472 return self._func(self._name, data) 
    51473 File
    51474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51475 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51476 if v.display: 
    51477 File
    51478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51479 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51480 return self._any_displayed_positions and len(self._positions) > 0 
    51481 TypeError: object of type 'NoneType' has no len() 
    51482  
    51483 During handling of the above exception, another exception occurred: 
    51484  
    51485 Traceback (most recent call last): 
    51486 File
    51487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51488 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51489 if not self.draw_new_frame(): 
    51490 File
    51491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51492 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51493 changed = view.check_for_drawing_change() 
    51494 File
    51495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51496 packages/chimerax/core/graphics/view.py", line 252, in
    51497 check_for_drawing_change 
    51498 trig.activate_trigger('graphics update', self) 
    51499 File
    51500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51501 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51502 trigger.activate(data) 
    51503 File
    51504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51505 packages/chimerax/core/triggerset.py", line 190, in activate 
    51506 ret = handler.invoke(data, self._remove_bad_handlers) 
    51507 File
    51508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51509 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51510 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51511 File
    51512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51513 packages/chimerax/core/session.py", line 943, in <lambda> 
    51514 logger.report_exception(preface=preface)) 
    51515 File
    51516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51517 packages/chimerax/core/logger.py", line 421, in report_exception 
    51518 elif probably_chimera1_session(exc_info): 
    51519 File
    51520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51521 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51522 etype, evalue, etraceback = exc_info 
    51523 TypeError: cannot unpack non-iterable NoneType object 
    51524  
    51525 TypeError: cannot unpack non-iterable NoneType object 
    51526  
    51527 File
    51528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51529 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51530 etype, evalue, etraceback = exc_info 
    51531  
    51532 See log for complete Python traceback. 
    51533  
    51534 Traceback (most recent call last): 
    51535 File
    51536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51537 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51538 return self._func(self._name, data) 
    51539 File
    51540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51541 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51542 if v.display: 
    51543 File
    51544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51545 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51546 return self._any_displayed_positions and len(self._positions) > 0 
    51547 TypeError: object of type 'NoneType' has no len() 
    51548  
    51549 During handling of the above exception, another exception occurred: 
    51550  
    51551 Traceback (most recent call last): 
    51552 File
    51553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51554 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51555 if not self.draw_new_frame(): 
    51556 File
    51557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51558 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51559 changed = view.check_for_drawing_change() 
    51560 File
    51561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51562 packages/chimerax/core/graphics/view.py", line 252, in
    51563 check_for_drawing_change 
    51564 trig.activate_trigger('graphics update', self) 
    51565 File
    51566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51567 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51568 trigger.activate(data) 
    51569 File
    51570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51571 packages/chimerax/core/triggerset.py", line 190, in activate 
    51572 ret = handler.invoke(data, self._remove_bad_handlers) 
    51573 File
    51574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51575 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51576 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51577 File
    51578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51579 packages/chimerax/core/session.py", line 943, in <lambda> 
    51580 logger.report_exception(preface=preface)) 
    51581 File
    51582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51583 packages/chimerax/core/logger.py", line 421, in report_exception 
    51584 elif probably_chimera1_session(exc_info): 
    51585 File
    51586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51587 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51588 etype, evalue, etraceback = exc_info 
    51589 TypeError: cannot unpack non-iterable NoneType object 
    51590  
    51591 TypeError: cannot unpack non-iterable NoneType object 
    51592  
    51593 File
    51594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51595 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51596 etype, evalue, etraceback = exc_info 
    51597  
    51598 See log for complete Python traceback. 
    51599  
    51600 Traceback (most recent call last): 
    51601 File
    51602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51603 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51604 return self._func(self._name, data) 
    51605 File
    51606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51607 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51608 if v.display: 
    51609 File
    51610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51611 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51612 return self._any_displayed_positions and len(self._positions) > 0 
    51613 TypeError: object of type 'NoneType' has no len() 
    51614  
    51615 During handling of the above exception, another exception occurred: 
    51616  
    51617 Traceback (most recent call last): 
    51618 File
    51619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51620 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51621 if not self.draw_new_frame(): 
    51622 File
    51623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51624 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51625 changed = view.check_for_drawing_change() 
    51626 File
    51627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51628 packages/chimerax/core/graphics/view.py", line 252, in
    51629 check_for_drawing_change 
    51630 trig.activate_trigger('graphics update', self) 
    51631 File
    51632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51633 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51634 trigger.activate(data) 
    51635 File
    51636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51637 packages/chimerax/core/triggerset.py", line 190, in activate 
    51638 ret = handler.invoke(data, self._remove_bad_handlers) 
    51639 File
    51640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51641 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51642 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51643 File
    51644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51645 packages/chimerax/core/session.py", line 943, in <lambda> 
    51646 logger.report_exception(preface=preface)) 
    51647 File
    51648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51649 packages/chimerax/core/logger.py", line 421, in report_exception 
    51650 elif probably_chimera1_session(exc_info): 
    51651 File
    51652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51653 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51654 etype, evalue, etraceback = exc_info 
    51655 TypeError: cannot unpack non-iterable NoneType object 
    51656  
    51657 TypeError: cannot unpack non-iterable NoneType object 
    51658  
    51659 File
    51660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51661 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51662 etype, evalue, etraceback = exc_info 
    51663  
    51664 See log for complete Python traceback. 
    51665  
    51666 Traceback (most recent call last): 
    51667 File
    51668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51669 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51670 return self._func(self._name, data) 
    51671 File
    51672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51673 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51674 if v.display: 
    51675 File
    51676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51677 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51678 return self._any_displayed_positions and len(self._positions) > 0 
    51679 TypeError: object of type 'NoneType' has no len() 
    51680  
    51681 During handling of the above exception, another exception occurred: 
    51682  
    51683 Traceback (most recent call last): 
    51684 File
    51685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51686 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51687 if not self.draw_new_frame(): 
    51688 File
    51689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51690 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51691 changed = view.check_for_drawing_change() 
    51692 File
    51693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51694 packages/chimerax/core/graphics/view.py", line 252, in
    51695 check_for_drawing_change 
    51696 trig.activate_trigger('graphics update', self) 
    51697 File
    51698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51699 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51700 trigger.activate(data) 
    51701 File
    51702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51703 packages/chimerax/core/triggerset.py", line 190, in activate 
    51704 ret = handler.invoke(data, self._remove_bad_handlers) 
    51705 File
    51706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51707 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51708 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51709 File
    51710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51711 packages/chimerax/core/session.py", line 943, in <lambda> 
    51712 logger.report_exception(preface=preface)) 
    51713 File
    51714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51715 packages/chimerax/core/logger.py", line 421, in report_exception 
    51716 elif probably_chimera1_session(exc_info): 
    51717 File
    51718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51719 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51720 etype, evalue, etraceback = exc_info 
    51721 TypeError: cannot unpack non-iterable NoneType object 
    51722  
    51723 TypeError: cannot unpack non-iterable NoneType object 
    51724  
    51725 File
    51726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51727 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51728 etype, evalue, etraceback = exc_info 
    51729  
    51730 See log for complete Python traceback. 
    51731  
    51732 Traceback (most recent call last): 
    51733 File
    51734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51735 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51736 return self._func(self._name, data) 
    51737 File
    51738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51739 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51740 if v.display: 
    51741 File
    51742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51743 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51744 return self._any_displayed_positions and len(self._positions) > 0 
    51745 TypeError: object of type 'NoneType' has no len() 
    51746  
    51747 During handling of the above exception, another exception occurred: 
    51748  
    51749 Traceback (most recent call last): 
    51750 File
    51751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51752 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51753 if not self.draw_new_frame(): 
    51754 File
    51755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51756 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51757 changed = view.check_for_drawing_change() 
    51758 File
    51759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51760 packages/chimerax/core/graphics/view.py", line 252, in
    51761 check_for_drawing_change 
    51762 trig.activate_trigger('graphics update', self) 
    51763 File
    51764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51765 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51766 trigger.activate(data) 
    51767 File
    51768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51769 packages/chimerax/core/triggerset.py", line 190, in activate 
    51770 ret = handler.invoke(data, self._remove_bad_handlers) 
    51771 File
    51772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51773 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51774 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51775 File
    51776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51777 packages/chimerax/core/session.py", line 943, in <lambda> 
    51778 logger.report_exception(preface=preface)) 
    51779 File
    51780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51781 packages/chimerax/core/logger.py", line 421, in report_exception 
    51782 elif probably_chimera1_session(exc_info): 
    51783 File
    51784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51785 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51786 etype, evalue, etraceback = exc_info 
    51787 TypeError: cannot unpack non-iterable NoneType object 
    51788  
    51789 TypeError: cannot unpack non-iterable NoneType object 
    51790  
    51791 File
    51792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51793 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51794 etype, evalue, etraceback = exc_info 
    51795  
    51796 See log for complete Python traceback. 
    51797  
    51798 Traceback (most recent call last): 
    51799 File
    51800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51801 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51802 return self._func(self._name, data) 
    51803 File
    51804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51805 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51806 if v.display: 
    51807 File
    51808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51809 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51810 return self._any_displayed_positions and len(self._positions) > 0 
    51811 TypeError: object of type 'NoneType' has no len() 
    51812  
    51813 During handling of the above exception, another exception occurred: 
    51814  
    51815 Traceback (most recent call last): 
    51816 File
    51817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51818 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51819 if not self.draw_new_frame(): 
    51820 File
    51821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51822 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51823 changed = view.check_for_drawing_change() 
    51824 File
    51825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51826 packages/chimerax/core/graphics/view.py", line 252, in
    51827 check_for_drawing_change 
    51828 trig.activate_trigger('graphics update', self) 
    51829 File
    51830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51831 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51832 trigger.activate(data) 
    51833 File
    51834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51835 packages/chimerax/core/triggerset.py", line 190, in activate 
    51836 ret = handler.invoke(data, self._remove_bad_handlers) 
    51837 File
    51838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51839 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51840 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51841 File
    51842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51843 packages/chimerax/core/session.py", line 943, in <lambda> 
    51844 logger.report_exception(preface=preface)) 
    51845 File
    51846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51847 packages/chimerax/core/logger.py", line 421, in report_exception 
    51848 elif probably_chimera1_session(exc_info): 
    51849 File
    51850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51851 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51852 etype, evalue, etraceback = exc_info 
    51853 TypeError: cannot unpack non-iterable NoneType object 
    51854  
    51855 TypeError: cannot unpack non-iterable NoneType object 
    51856  
    51857 File
    51858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51859 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51860 etype, evalue, etraceback = exc_info 
    51861  
    51862 See log for complete Python traceback. 
    51863  
    51864 Traceback (most recent call last): 
    51865 File
    51866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51867 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51868 return self._func(self._name, data) 
    51869 File
    51870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51871 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51872 if v.display: 
    51873 File
    51874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51875 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51876 return self._any_displayed_positions and len(self._positions) > 0 
    51877 TypeError: object of type 'NoneType' has no len() 
    51878  
    51879 During handling of the above exception, another exception occurred: 
    51880  
    51881 Traceback (most recent call last): 
    51882 File
    51883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51884 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51885 if not self.draw_new_frame(): 
    51886 File
    51887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51888 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51889 changed = view.check_for_drawing_change() 
    51890 File
    51891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51892 packages/chimerax/core/graphics/view.py", line 252, in
    51893 check_for_drawing_change 
    51894 trig.activate_trigger('graphics update', self) 
    51895 File
    51896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51897 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51898 trigger.activate(data) 
    51899 File
    51900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51901 packages/chimerax/core/triggerset.py", line 190, in activate 
    51902 ret = handler.invoke(data, self._remove_bad_handlers) 
    51903 File
    51904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51905 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51906 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51907 File
    51908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51909 packages/chimerax/core/session.py", line 943, in <lambda> 
    51910 logger.report_exception(preface=preface)) 
    51911 File
    51912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51913 packages/chimerax/core/logger.py", line 421, in report_exception 
    51914 elif probably_chimera1_session(exc_info): 
    51915 File
    51916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51917 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51918 etype, evalue, etraceback = exc_info 
    51919 TypeError: cannot unpack non-iterable NoneType object 
    51920  
    51921 TypeError: cannot unpack non-iterable NoneType object 
    51922  
    51923 File
    51924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51925 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51926 etype, evalue, etraceback = exc_info 
    51927  
    51928 See log for complete Python traceback. 
    51929  
    51930 Traceback (most recent call last): 
    51931 File
    51932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51933 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51934 return self._func(self._name, data) 
    51935 File
    51936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51937 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51938 if v.display: 
    51939 File
    51940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51941 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51942 return self._any_displayed_positions and len(self._positions) > 0 
    51943 TypeError: object of type 'NoneType' has no len() 
    51944  
    51945 During handling of the above exception, another exception occurred: 
    51946  
    51947 Traceback (most recent call last): 
    51948 File
    51949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51950 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51951 if not self.draw_new_frame(): 
    51952 File
    51953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51954 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51955 changed = view.check_for_drawing_change() 
    51956 File
    51957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51958 packages/chimerax/core/graphics/view.py", line 252, in
    51959 check_for_drawing_change 
    51960 trig.activate_trigger('graphics update', self) 
    51961 File
    51962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51963 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51964 trigger.activate(data) 
    51965 File
    51966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51967 packages/chimerax/core/triggerset.py", line 190, in activate 
    51968 ret = handler.invoke(data, self._remove_bad_handlers) 
    51969 File
    51970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51971 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51972 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51973 File
    51974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51975 packages/chimerax/core/session.py", line 943, in <lambda> 
    51976 logger.report_exception(preface=preface)) 
    51977 File
    51978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51979 packages/chimerax/core/logger.py", line 421, in report_exception 
    51980 elif probably_chimera1_session(exc_info): 
    51981 File
    51982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51983 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51984 etype, evalue, etraceback = exc_info 
    51985 TypeError: cannot unpack non-iterable NoneType object 
    51986  
    51987 TypeError: cannot unpack non-iterable NoneType object 
    51988  
    51989 File
    51990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51991 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51992 etype, evalue, etraceback = exc_info 
    51993  
    51994 See log for complete Python traceback. 
    51995  
    51996 Traceback (most recent call last): 
    51997 File
    51998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51999 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52000 return self._func(self._name, data) 
    52001 File
    52002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52003 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52004 if v.display: 
    52005 File
    52006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52007 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52008 return self._any_displayed_positions and len(self._positions) > 0 
    52009 TypeError: object of type 'NoneType' has no len() 
    52010  
    52011 During handling of the above exception, another exception occurred: 
    52012  
    52013 Traceback (most recent call last): 
    52014 File
    52015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52016 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52017 if not self.draw_new_frame(): 
    52018 File
    52019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52020 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52021 changed = view.check_for_drawing_change() 
    52022 File
    52023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52024 packages/chimerax/core/graphics/view.py", line 252, in
    52025 check_for_drawing_change 
    52026 trig.activate_trigger('graphics update', self) 
    52027 File
    52028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52029 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52030 trigger.activate(data) 
    52031 File
    52032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52033 packages/chimerax/core/triggerset.py", line 190, in activate 
    52034 ret = handler.invoke(data, self._remove_bad_handlers) 
    52035 File
    52036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52037 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52038 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52039 File
    52040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52041 packages/chimerax/core/session.py", line 943, in <lambda> 
    52042 logger.report_exception(preface=preface)) 
    52043 File
    52044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52045 packages/chimerax/core/logger.py", line 421, in report_exception 
    52046 elif probably_chimera1_session(exc_info): 
    52047 File
    52048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52049 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52050 etype, evalue, etraceback = exc_info 
    52051 TypeError: cannot unpack non-iterable NoneType object 
    52052  
    52053 TypeError: cannot unpack non-iterable NoneType object 
    52054  
    52055 File
    52056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52057 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52058 etype, evalue, etraceback = exc_info 
    52059  
    52060 See log for complete Python traceback. 
    52061  
    52062 Traceback (most recent call last): 
    52063 File
    52064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52065 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52066 return self._func(self._name, data) 
    52067 File
    52068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52069 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52070 if v.display: 
    52071 File
    52072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52073 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52074 return self._any_displayed_positions and len(self._positions) > 0 
    52075 TypeError: object of type 'NoneType' has no len() 
    52076  
    52077 During handling of the above exception, another exception occurred: 
    52078  
    52079 Traceback (most recent call last): 
    52080 File
    52081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52082 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52083 if not self.draw_new_frame(): 
    52084 File
    52085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52086 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52087 changed = view.check_for_drawing_change() 
    52088 File
    52089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52090 packages/chimerax/core/graphics/view.py", line 252, in
    52091 check_for_drawing_change 
    52092 trig.activate_trigger('graphics update', self) 
    52093 File
    52094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52095 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52096 trigger.activate(data) 
    52097 File
    52098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52099 packages/chimerax/core/triggerset.py", line 190, in activate 
    52100 ret = handler.invoke(data, self._remove_bad_handlers) 
    52101 File
    52102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52103 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52104 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52105 File
    52106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52107 packages/chimerax/core/session.py", line 943, in <lambda> 
    52108 logger.report_exception(preface=preface)) 
    52109 File
    52110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52111 packages/chimerax/core/logger.py", line 421, in report_exception 
    52112 elif probably_chimera1_session(exc_info): 
    52113 File
    52114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52115 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52116 etype, evalue, etraceback = exc_info 
    52117 TypeError: cannot unpack non-iterable NoneType object 
    52118  
    52119 TypeError: cannot unpack non-iterable NoneType object 
    52120  
    52121 File
    52122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52123 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52124 etype, evalue, etraceback = exc_info 
    52125  
    52126 See log for complete Python traceback. 
    52127  
    52128 Traceback (most recent call last): 
    52129 File
    52130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52131 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52132 return self._func(self._name, data) 
    52133 File
    52134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52135 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52136 if v.display: 
    52137 File
    52138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52139 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52140 return self._any_displayed_positions and len(self._positions) > 0 
    52141 TypeError: object of type 'NoneType' has no len() 
    52142  
    52143 During handling of the above exception, another exception occurred: 
    52144  
    52145 Traceback (most recent call last): 
    52146 File
    52147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52148 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52149 if not self.draw_new_frame(): 
    52150 File
    52151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52152 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52153 changed = view.check_for_drawing_change() 
    52154 File
    52155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52156 packages/chimerax/core/graphics/view.py", line 252, in
    52157 check_for_drawing_change 
    52158 trig.activate_trigger('graphics update', self) 
    52159 File
    52160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52161 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52162 trigger.activate(data) 
    52163 File
    52164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52165 packages/chimerax/core/triggerset.py", line 190, in activate 
    52166 ret = handler.invoke(data, self._remove_bad_handlers) 
    52167 File
    52168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52169 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52170 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52171 File
    52172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52173 packages/chimerax/core/session.py", line 943, in <lambda> 
    52174 logger.report_exception(preface=preface)) 
    52175 File
    52176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52177 packages/chimerax/core/logger.py", line 421, in report_exception 
    52178 elif probably_chimera1_session(exc_info): 
    52179 File
    52180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52181 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52182 etype, evalue, etraceback = exc_info 
    52183 TypeError: cannot unpack non-iterable NoneType object 
    52184  
    52185 TypeError: cannot unpack non-iterable NoneType object 
    52186  
    52187 File
    52188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52189 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52190 etype, evalue, etraceback = exc_info 
    52191  
    52192 See log for complete Python traceback. 
    52193  
    52194 Traceback (most recent call last): 
    52195 File
    52196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52197 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52198 return self._func(self._name, data) 
    52199 File
    52200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52201 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52202 if v.display: 
    52203 File
    52204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52205 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52206 return self._any_displayed_positions and len(self._positions) > 0 
    52207 TypeError: object of type 'NoneType' has no len() 
    52208  
    52209 During handling of the above exception, another exception occurred: 
    52210  
    52211 Traceback (most recent call last): 
    52212 File
    52213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52214 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52215 if not self.draw_new_frame(): 
    52216 File
    52217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52218 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52219 changed = view.check_for_drawing_change() 
    52220 File
    52221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52222 packages/chimerax/core/graphics/view.py", line 252, in
    52223 check_for_drawing_change 
    52224 trig.activate_trigger('graphics update', self) 
    52225 File
    52226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52227 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52228 trigger.activate(data) 
    52229 File
    52230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52231 packages/chimerax/core/triggerset.py", line 190, in activate 
    52232 ret = handler.invoke(data, self._remove_bad_handlers) 
    52233 File
    52234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52235 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52236 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52237 File
    52238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52239 packages/chimerax/core/session.py", line 943, in <lambda> 
    52240 logger.report_exception(preface=preface)) 
    52241 File
    52242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52243 packages/chimerax/core/logger.py", line 421, in report_exception 
    52244 elif probably_chimera1_session(exc_info): 
    52245 File
    52246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52247 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52248 etype, evalue, etraceback = exc_info 
    52249 TypeError: cannot unpack non-iterable NoneType object 
    52250  
    52251 TypeError: cannot unpack non-iterable NoneType object 
    52252  
    52253 File
    52254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52255 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52256 etype, evalue, etraceback = exc_info 
    52257  
    52258 See log for complete Python traceback. 
    52259  
    52260 Traceback (most recent call last): 
    52261 File
    52262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52263 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52264 return self._func(self._name, data) 
    52265 File
    52266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52267 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52268 if v.display: 
    52269 File
    52270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52271 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52272 return self._any_displayed_positions and len(self._positions) > 0 
    52273 TypeError: object of type 'NoneType' has no len() 
    52274  
    52275 During handling of the above exception, another exception occurred: 
    52276  
    52277 Traceback (most recent call last): 
    52278 File
    52279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52280 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52281 if not self.draw_new_frame(): 
    52282 File
    52283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52284 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52285 changed = view.check_for_drawing_change() 
    52286 File
    52287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52288 packages/chimerax/core/graphics/view.py", line 252, in
    52289 check_for_drawing_change 
    52290 trig.activate_trigger('graphics update', self) 
    52291 File
    52292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52293 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52294 trigger.activate(data) 
    52295 File
    52296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52297 packages/chimerax/core/triggerset.py", line 190, in activate 
    52298 ret = handler.invoke(data, self._remove_bad_handlers) 
    52299 File
    52300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52301 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52302 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52303 File
    52304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52305 packages/chimerax/core/session.py", line 943, in <lambda> 
    52306 logger.report_exception(preface=preface)) 
    52307 File
    52308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52309 packages/chimerax/core/logger.py", line 421, in report_exception 
    52310 elif probably_chimera1_session(exc_info): 
    52311 File
    52312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52313 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52314 etype, evalue, etraceback = exc_info 
    52315 TypeError: cannot unpack non-iterable NoneType object 
    52316  
    52317 TypeError: cannot unpack non-iterable NoneType object 
    52318  
    52319 File
    52320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52321 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52322 etype, evalue, etraceback = exc_info 
    52323  
    52324 See log for complete Python traceback. 
    52325  
    52326 Traceback (most recent call last): 
    52327 File
    52328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52329 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52330 return self._func(self._name, data) 
    52331 File
    52332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52333 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52334 if v.display: 
    52335 File
    52336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52337 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52338 return self._any_displayed_positions and len(self._positions) > 0 
    52339 TypeError: object of type 'NoneType' has no len() 
    52340  
    52341 During handling of the above exception, another exception occurred: 
    52342  
    52343 Traceback (most recent call last): 
    52344 File
    52345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52346 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52347 if not self.draw_new_frame(): 
    52348 File
    52349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52350 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52351 changed = view.check_for_drawing_change() 
    52352 File
    52353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52354 packages/chimerax/core/graphics/view.py", line 252, in
    52355 check_for_drawing_change 
    52356 trig.activate_trigger('graphics update', self) 
    52357 File
    52358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52359 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52360 trigger.activate(data) 
    52361 File
    52362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52363 packages/chimerax/core/triggerset.py", line 190, in activate 
    52364 ret = handler.invoke(data, self._remove_bad_handlers) 
    52365 File
    52366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52367 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52368 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52369 File
    52370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52371 packages/chimerax/core/session.py", line 943, in <lambda> 
    52372 logger.report_exception(preface=preface)) 
    52373 File
    52374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52375 packages/chimerax/core/logger.py", line 421, in report_exception 
    52376 elif probably_chimera1_session(exc_info): 
    52377 File
    52378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52379 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52380 etype, evalue, etraceback = exc_info 
    52381 TypeError: cannot unpack non-iterable NoneType object 
    52382  
    52383 TypeError: cannot unpack non-iterable NoneType object 
    52384  
    52385 File
    52386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52387 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52388 etype, evalue, etraceback = exc_info 
    52389  
    52390 See log for complete Python traceback. 
    52391  
    52392 Traceback (most recent call last): 
    52393 File
    52394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52395 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52396 return self._func(self._name, data) 
    52397 File
    52398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52399 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52400 if v.display: 
    52401 File
    52402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52403 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52404 return self._any_displayed_positions and len(self._positions) > 0 
    52405 TypeError: object of type 'NoneType' has no len() 
    52406  
    52407 During handling of the above exception, another exception occurred: 
    52408  
    52409 Traceback (most recent call last): 
    52410 File
    52411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52412 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52413 if not self.draw_new_frame(): 
    52414 File
    52415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52416 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52417 changed = view.check_for_drawing_change() 
    52418 File
    52419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52420 packages/chimerax/core/graphics/view.py", line 252, in
    52421 check_for_drawing_change 
    52422 trig.activate_trigger('graphics update', self) 
    52423 File
    52424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52425 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52426 trigger.activate(data) 
    52427 File
    52428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52429 packages/chimerax/core/triggerset.py", line 190, in activate 
    52430 ret = handler.invoke(data, self._remove_bad_handlers) 
    52431 File
    52432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52433 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52434 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52435 File
    52436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52437 packages/chimerax/core/session.py", line 943, in <lambda> 
    52438 logger.report_exception(preface=preface)) 
    52439 File
    52440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52441 packages/chimerax/core/logger.py", line 421, in report_exception 
    52442 elif probably_chimera1_session(exc_info): 
    52443 File
    52444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52445 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52446 etype, evalue, etraceback = exc_info 
    52447 TypeError: cannot unpack non-iterable NoneType object 
    52448  
    52449 TypeError: cannot unpack non-iterable NoneType object 
    52450  
    52451 File
    52452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52453 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52454 etype, evalue, etraceback = exc_info 
    52455  
    52456 See log for complete Python traceback. 
    52457  
    52458 Traceback (most recent call last): 
    52459 File
    52460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52461 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52462 return self._func(self._name, data) 
    52463 File
    52464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52465 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52466 if v.display: 
    52467 File
    52468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52469 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52470 return self._any_displayed_positions and len(self._positions) > 0 
    52471 TypeError: object of type 'NoneType' has no len() 
    52472  
    52473 During handling of the above exception, another exception occurred: 
    52474  
    52475 Traceback (most recent call last): 
    52476 File
    52477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52478 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52479 if not self.draw_new_frame(): 
    52480 File
    52481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52482 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52483 changed = view.check_for_drawing_change() 
    52484 File
    52485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52486 packages/chimerax/core/graphics/view.py", line 252, in
    52487 check_for_drawing_change 
    52488 trig.activate_trigger('graphics update', self) 
    52489 File
    52490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52491 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52492 trigger.activate(data) 
    52493 File
    52494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52495 packages/chimerax/core/triggerset.py", line 190, in activate 
    52496 ret = handler.invoke(data, self._remove_bad_handlers) 
    52497 File
    52498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52499 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52500 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52501 File
    52502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52503 packages/chimerax/core/session.py", line 943, in <lambda> 
    52504 logger.report_exception(preface=preface)) 
    52505 File
    52506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52507 packages/chimerax/core/logger.py", line 421, in report_exception 
    52508 elif probably_chimera1_session(exc_info): 
    52509 File
    52510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52511 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52512 etype, evalue, etraceback = exc_info 
    52513 TypeError: cannot unpack non-iterable NoneType object 
    52514  
    52515 TypeError: cannot unpack non-iterable NoneType object 
    52516  
    52517 File
    52518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52519 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52520 etype, evalue, etraceback = exc_info 
    52521  
    52522 See log for complete Python traceback. 
    52523  
    52524 Traceback (most recent call last): 
    52525 File
    52526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52527 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52528 return self._func(self._name, data) 
    52529 File
    52530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52531 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52532 if v.display: 
    52533 File
    52534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52535 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52536 return self._any_displayed_positions and len(self._positions) > 0 
    52537 TypeError: object of type 'NoneType' has no len() 
    52538  
    52539 During handling of the above exception, another exception occurred: 
    52540  
    52541 Traceback (most recent call last): 
    52542 File
    52543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52544 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52545 if not self.draw_new_frame(): 
    52546 File
    52547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52548 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52549 changed = view.check_for_drawing_change() 
    52550 File
    52551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52552 packages/chimerax/core/graphics/view.py", line 252, in
    52553 check_for_drawing_change 
    52554 trig.activate_trigger('graphics update', self) 
    52555 File
    52556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52557 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52558 trigger.activate(data) 
    52559 File
    52560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52561 packages/chimerax/core/triggerset.py", line 190, in activate 
    52562 ret = handler.invoke(data, self._remove_bad_handlers) 
    52563 File
    52564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52565 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52566 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52567 File
    52568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52569 packages/chimerax/core/session.py", line 943, in <lambda> 
    52570 logger.report_exception(preface=preface)) 
    52571 File
    52572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52573 packages/chimerax/core/logger.py", line 421, in report_exception 
    52574 elif probably_chimera1_session(exc_info): 
    52575 File
    52576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52577 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52578 etype, evalue, etraceback = exc_info 
    52579 TypeError: cannot unpack non-iterable NoneType object 
    52580  
    52581 TypeError: cannot unpack non-iterable NoneType object 
    52582  
    52583 File
    52584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52585 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52586 etype, evalue, etraceback = exc_info 
    52587  
    52588 See log for complete Python traceback. 
    52589  
    52590 Traceback (most recent call last): 
    52591 File
    52592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52593 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52594 return self._func(self._name, data) 
    52595 File
    52596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52597 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52598 if v.display: 
    52599 File
    52600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52601 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52602 return self._any_displayed_positions and len(self._positions) > 0 
    52603 TypeError: object of type 'NoneType' has no len() 
    52604  
    52605 During handling of the above exception, another exception occurred: 
    52606  
    52607 Traceback (most recent call last): 
    52608 File
    52609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52610 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52611 if not self.draw_new_frame(): 
    52612 File
    52613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52614 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52615 changed = view.check_for_drawing_change() 
    52616 File
    52617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52618 packages/chimerax/core/graphics/view.py", line 252, in
    52619 check_for_drawing_change 
    52620 trig.activate_trigger('graphics update', self) 
    52621 File
    52622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52623 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52624 trigger.activate(data) 
    52625 File
    52626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52627 packages/chimerax/core/triggerset.py", line 190, in activate 
    52628 ret = handler.invoke(data, self._remove_bad_handlers) 
    52629 File
    52630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52631 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52632 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52633 File
    52634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52635 packages/chimerax/core/session.py", line 943, in <lambda> 
    52636 logger.report_exception(preface=preface)) 
    52637 File
    52638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52639 packages/chimerax/core/logger.py", line 421, in report_exception 
    52640 elif probably_chimera1_session(exc_info): 
    52641 File
    52642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52643 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52644 etype, evalue, etraceback = exc_info 
    52645 TypeError: cannot unpack non-iterable NoneType object 
    52646  
    52647 TypeError: cannot unpack non-iterable NoneType object 
    52648  
    52649 File
    52650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52651 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52652 etype, evalue, etraceback = exc_info 
    52653  
    52654 See log for complete Python traceback. 
    52655  
    52656 Traceback (most recent call last): 
    52657 File
    52658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52659 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52660 return self._func(self._name, data) 
    52661 File
    52662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52663 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52664 if v.display: 
    52665 File
    52666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52667 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52668 return self._any_displayed_positions and len(self._positions) > 0 
    52669 TypeError: object of type 'NoneType' has no len() 
    52670  
    52671 During handling of the above exception, another exception occurred: 
    52672  
    52673 Traceback (most recent call last): 
    52674 File
    52675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52676 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52677 if not self.draw_new_frame(): 
    52678 File
    52679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52680 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52681 changed = view.check_for_drawing_change() 
    52682 File
    52683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52684 packages/chimerax/core/graphics/view.py", line 252, in
    52685 check_for_drawing_change 
    52686 trig.activate_trigger('graphics update', self) 
    52687 File
    52688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52689 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52690 trigger.activate(data) 
    52691 File
    52692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52693 packages/chimerax/core/triggerset.py", line 190, in activate 
    52694 ret = handler.invoke(data, self._remove_bad_handlers) 
    52695 File
    52696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52697 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52698 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52699 File
    52700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52701 packages/chimerax/core/session.py", line 943, in <lambda> 
    52702 logger.report_exception(preface=preface)) 
    52703 File
    52704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52705 packages/chimerax/core/logger.py", line 421, in report_exception 
    52706 elif probably_chimera1_session(exc_info): 
    52707 File
    52708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52709 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52710 etype, evalue, etraceback = exc_info 
    52711 TypeError: cannot unpack non-iterable NoneType object 
    52712  
    52713 TypeError: cannot unpack non-iterable NoneType object 
    52714  
    52715 File
    52716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52717 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52718 etype, evalue, etraceback = exc_info 
    52719  
    52720 See log for complete Python traceback. 
    52721  
    52722 Traceback (most recent call last): 
    52723 File
    52724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52725 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52726 return self._func(self._name, data) 
    52727 File
    52728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52729 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52730 if v.display: 
    52731 File
    52732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52733 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52734 return self._any_displayed_positions and len(self._positions) > 0 
    52735 TypeError: object of type 'NoneType' has no len() 
    52736  
    52737 During handling of the above exception, another exception occurred: 
    52738  
    52739 Traceback (most recent call last): 
    52740 File
    52741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52742 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52743 if not self.draw_new_frame(): 
    52744 File
    52745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52746 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52747 changed = view.check_for_drawing_change() 
    52748 File
    52749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52750 packages/chimerax/core/graphics/view.py", line 252, in
    52751 check_for_drawing_change 
    52752 trig.activate_trigger('graphics update', self) 
    52753 File
    52754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52755 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52756 trigger.activate(data) 
    52757 File
    52758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52759 packages/chimerax/core/triggerset.py", line 190, in activate 
    52760 ret = handler.invoke(data, self._remove_bad_handlers) 
    52761 File
    52762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52763 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52764 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52765 File
    52766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52767 packages/chimerax/core/session.py", line 943, in <lambda> 
    52768 logger.report_exception(preface=preface)) 
    52769 File
    52770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52771 packages/chimerax/core/logger.py", line 421, in report_exception 
    52772 elif probably_chimera1_session(exc_info): 
    52773 File
    52774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52775 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52776 etype, evalue, etraceback = exc_info 
    52777 TypeError: cannot unpack non-iterable NoneType object 
    52778  
    52779 TypeError: cannot unpack non-iterable NoneType object 
    52780  
    52781 File
    52782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52783 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52784 etype, evalue, etraceback = exc_info 
    52785  
    52786 See log for complete Python traceback. 
    52787  
    52788 Traceback (most recent call last): 
    52789 File
    52790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52791 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52792 return self._func(self._name, data) 
    52793 File
    52794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52795 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52796 if v.display: 
    52797 File
    52798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52799 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52800 return self._any_displayed_positions and len(self._positions) > 0 
    52801 TypeError: object of type 'NoneType' has no len() 
    52802  
    52803 During handling of the above exception, another exception occurred: 
    52804  
    52805 Traceback (most recent call last): 
    52806 File
    52807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52808 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52809 if not self.draw_new_frame(): 
    52810 File
    52811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52812 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52813 changed = view.check_for_drawing_change() 
    52814 File
    52815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52816 packages/chimerax/core/graphics/view.py", line 252, in
    52817 check_for_drawing_change 
    52818 trig.activate_trigger('graphics update', self) 
    52819 File
    52820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52821 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52822 trigger.activate(data) 
    52823 File
    52824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52825 packages/chimerax/core/triggerset.py", line 190, in activate 
    52826 ret = handler.invoke(data, self._remove_bad_handlers) 
    52827 File
    52828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52829 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52830 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52831 File
    52832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52833 packages/chimerax/core/session.py", line 943, in <lambda> 
    52834 logger.report_exception(preface=preface)) 
    52835 File
    52836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52837 packages/chimerax/core/logger.py", line 421, in report_exception 
    52838 elif probably_chimera1_session(exc_info): 
    52839 File
    52840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52841 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52842 etype, evalue, etraceback = exc_info 
    52843 TypeError: cannot unpack non-iterable NoneType object 
    52844  
    52845 TypeError: cannot unpack non-iterable NoneType object 
    52846  
    52847 File
    52848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52849 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52850 etype, evalue, etraceback = exc_info 
    52851  
    52852 See log for complete Python traceback. 
    52853  
    52854 Traceback (most recent call last): 
    52855 File
    52856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52857 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52858 return self._func(self._name, data) 
    52859 File
    52860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52861 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52862 if v.display: 
    52863 File
    52864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52865 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52866 return self._any_displayed_positions and len(self._positions) > 0 
    52867 TypeError: object of type 'NoneType' has no len() 
    52868  
    52869 During handling of the above exception, another exception occurred: 
    52870  
    52871 Traceback (most recent call last): 
    52872 File
    52873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52874 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52875 if not self.draw_new_frame(): 
    52876 File
    52877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52878 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52879 changed = view.check_for_drawing_change() 
    52880 File
    52881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52882 packages/chimerax/core/graphics/view.py", line 252, in
    52883 check_for_drawing_change 
    52884 trig.activate_trigger('graphics update', self) 
    52885 File
    52886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52887 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52888 trigger.activate(data) 
    52889 File
    52890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52891 packages/chimerax/core/triggerset.py", line 190, in activate 
    52892 ret = handler.invoke(data, self._remove_bad_handlers) 
    52893 File
    52894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52895 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52896 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52897 File
    52898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52899 packages/chimerax/core/session.py", line 943, in <lambda> 
    52900 logger.report_exception(preface=preface)) 
    52901 File
    52902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52903 packages/chimerax/core/logger.py", line 421, in report_exception 
    52904 elif probably_chimera1_session(exc_info): 
    52905 File
    52906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52907 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52908 etype, evalue, etraceback = exc_info 
    52909 TypeError: cannot unpack non-iterable NoneType object 
    52910  
    52911 TypeError: cannot unpack non-iterable NoneType object 
    52912  
    52913 File
    52914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52915 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52916 etype, evalue, etraceback = exc_info 
    52917  
    52918 See log for complete Python traceback. 
    52919  
    52920 Traceback (most recent call last): 
    52921 File
    52922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52923 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52924 return self._func(self._name, data) 
    52925 File
    52926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52927 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52928 if v.display: 
    52929 File
    52930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52931 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52932 return self._any_displayed_positions and len(self._positions) > 0 
    52933 TypeError: object of type 'NoneType' has no len() 
    52934  
    52935 During handling of the above exception, another exception occurred: 
    52936  
    52937 Traceback (most recent call last): 
    52938 File
    52939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52940 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52941 if not self.draw_new_frame(): 
    52942 File
    52943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52944 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52945 changed = view.check_for_drawing_change() 
    52946 File
    52947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52948 packages/chimerax/core/graphics/view.py", line 252, in
    52949 check_for_drawing_change 
    52950 trig.activate_trigger('graphics update', self) 
    52951 File
    52952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52953 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52954 trigger.activate(data) 
    52955 File
    52956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52957 packages/chimerax/core/triggerset.py", line 190, in activate 
    52958 ret = handler.invoke(data, self._remove_bad_handlers) 
    52959 File
    52960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52961 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52962 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52963 File
    52964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52965 packages/chimerax/core/session.py", line 943, in <lambda> 
    52966 logger.report_exception(preface=preface)) 
    52967 File
    52968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52969 packages/chimerax/core/logger.py", line 421, in report_exception 
    52970 elif probably_chimera1_session(exc_info): 
    52971 File
    52972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52973 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52974 etype, evalue, etraceback = exc_info 
    52975 TypeError: cannot unpack non-iterable NoneType object 
    52976  
    52977 TypeError: cannot unpack non-iterable NoneType object 
    52978  
    52979 File
    52980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52981 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52982 etype, evalue, etraceback = exc_info 
    52983  
    52984 See log for complete Python traceback. 
    52985  
    52986 Traceback (most recent call last): 
    52987 File
    52988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52989 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52990 return self._func(self._name, data) 
    52991 File
    52992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52993 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52994 if v.display: 
    52995 File
    52996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52997 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52998 return self._any_displayed_positions and len(self._positions) > 0 
    52999 TypeError: object of type 'NoneType' has no len() 
    53000  
    53001 During handling of the above exception, another exception occurred: 
    53002  
    53003 Traceback (most recent call last): 
    53004 File
    53005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53006 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53007 if not self.draw_new_frame(): 
    53008 File
    53009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53010 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53011 changed = view.check_for_drawing_change() 
    53012 File
    53013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53014 packages/chimerax/core/graphics/view.py", line 252, in
    53015 check_for_drawing_change 
    53016 trig.activate_trigger('graphics update', self) 
    53017 File
    53018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53019 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53020 trigger.activate(data) 
    53021 File
    53022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53023 packages/chimerax/core/triggerset.py", line 190, in activate 
    53024 ret = handler.invoke(data, self._remove_bad_handlers) 
    53025 File
    53026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53027 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53028 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53029 File
    53030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53031 packages/chimerax/core/session.py", line 943, in <lambda> 
    53032 logger.report_exception(preface=preface)) 
    53033 File
    53034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53035 packages/chimerax/core/logger.py", line 421, in report_exception 
    53036 elif probably_chimera1_session(exc_info): 
    53037 File
    53038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53039 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53040 etype, evalue, etraceback = exc_info 
    53041 TypeError: cannot unpack non-iterable NoneType object 
    53042  
    53043 TypeError: cannot unpack non-iterable NoneType object 
    53044  
    53045 File
    53046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53047 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53048 etype, evalue, etraceback = exc_info 
    53049  
    53050 See log for complete Python traceback. 
    53051  
    53052 Traceback (most recent call last): 
    53053 File
    53054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53055 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53056 return self._func(self._name, data) 
    53057 File
    53058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53059 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53060 if v.display: 
    53061 File
    53062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53063 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53064 return self._any_displayed_positions and len(self._positions) > 0 
    53065 TypeError: object of type 'NoneType' has no len() 
    53066  
    53067 During handling of the above exception, another exception occurred: 
    53068  
    53069 Traceback (most recent call last): 
    53070 File
    53071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53072 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53073 if not self.draw_new_frame(): 
    53074 File
    53075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53076 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53077 changed = view.check_for_drawing_change() 
    53078 File
    53079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53080 packages/chimerax/core/graphics/view.py", line 252, in
    53081 check_for_drawing_change 
    53082 trig.activate_trigger('graphics update', self) 
    53083 File
    53084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53085 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53086 trigger.activate(data) 
    53087 File
    53088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53089 packages/chimerax/core/triggerset.py", line 190, in activate 
    53090 ret = handler.invoke(data, self._remove_bad_handlers) 
    53091 File
    53092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53093 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53094 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53095 File
    53096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53097 packages/chimerax/core/session.py", line 943, in <lambda> 
    53098 logger.report_exception(preface=preface)) 
    53099 File
    53100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53101 packages/chimerax/core/logger.py", line 421, in report_exception 
    53102 elif probably_chimera1_session(exc_info): 
    53103 File
    53104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53105 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53106 etype, evalue, etraceback = exc_info 
    53107 TypeError: cannot unpack non-iterable NoneType object 
    53108  
    53109 TypeError: cannot unpack non-iterable NoneType object 
    53110  
    53111 File
    53112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53113 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53114 etype, evalue, etraceback = exc_info 
    53115  
    53116 See log for complete Python traceback. 
    53117  
    53118 Traceback (most recent call last): 
    53119 File
    53120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53121 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53122 return self._func(self._name, data) 
    53123 File
    53124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53125 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53126 if v.display: 
    53127 File
    53128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53129 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53130 return self._any_displayed_positions and len(self._positions) > 0 
    53131 TypeError: object of type 'NoneType' has no len() 
    53132  
    53133 During handling of the above exception, another exception occurred: 
    53134  
    53135 Traceback (most recent call last): 
    53136 File
    53137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53138 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53139 if not self.draw_new_frame(): 
    53140 File
    53141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53142 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53143 changed = view.check_for_drawing_change() 
    53144 File
    53145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53146 packages/chimerax/core/graphics/view.py", line 252, in
    53147 check_for_drawing_change 
    53148 trig.activate_trigger('graphics update', self) 
    53149 File
    53150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53151 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53152 trigger.activate(data) 
    53153 File
    53154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53155 packages/chimerax/core/triggerset.py", line 190, in activate 
    53156 ret = handler.invoke(data, self._remove_bad_handlers) 
    53157 File
    53158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53159 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53160 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53161 File
    53162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53163 packages/chimerax/core/session.py", line 943, in <lambda> 
    53164 logger.report_exception(preface=preface)) 
    53165 File
    53166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53167 packages/chimerax/core/logger.py", line 421, in report_exception 
    53168 elif probably_chimera1_session(exc_info): 
    53169 File
    53170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53171 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53172 etype, evalue, etraceback = exc_info 
    53173 TypeError: cannot unpack non-iterable NoneType object 
    53174  
    53175 TypeError: cannot unpack non-iterable NoneType object 
    53176  
    53177 File
    53178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53179 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53180 etype, evalue, etraceback = exc_info 
    53181  
    53182 See log for complete Python traceback. 
    53183  
    53184 Traceback (most recent call last): 
    53185 File
    53186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53187 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53188 return self._func(self._name, data) 
    53189 File
    53190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53191 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53192 if v.display: 
    53193 File
    53194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53195 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53196 return self._any_displayed_positions and len(self._positions) > 0 
    53197 TypeError: object of type 'NoneType' has no len() 
    53198  
    53199 During handling of the above exception, another exception occurred: 
    53200  
    53201 Traceback (most recent call last): 
    53202 File
    53203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53204 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53205 if not self.draw_new_frame(): 
    53206 File
    53207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53208 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53209 changed = view.check_for_drawing_change() 
    53210 File
    53211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53212 packages/chimerax/core/graphics/view.py", line 252, in
    53213 check_for_drawing_change 
    53214 trig.activate_trigger('graphics update', self) 
    53215 File
    53216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53217 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53218 trigger.activate(data) 
    53219 File
    53220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53221 packages/chimerax/core/triggerset.py", line 190, in activate 
    53222 ret = handler.invoke(data, self._remove_bad_handlers) 
    53223 File
    53224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53225 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53226 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53227 File
    53228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53229 packages/chimerax/core/session.py", line 943, in <lambda> 
    53230 logger.report_exception(preface=preface)) 
    53231 File
    53232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53233 packages/chimerax/core/logger.py", line 421, in report_exception 
    53234 elif probably_chimera1_session(exc_info): 
    53235 File
    53236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53237 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53238 etype, evalue, etraceback = exc_info 
    53239 TypeError: cannot unpack non-iterable NoneType object 
    53240  
    53241 TypeError: cannot unpack non-iterable NoneType object 
    53242  
    53243 File
    53244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53245 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53246 etype, evalue, etraceback = exc_info 
    53247  
    53248 See log for complete Python traceback. 
    53249  
    53250 Traceback (most recent call last): 
    53251 File
    53252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53253 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53254 return self._func(self._name, data) 
    53255 File
    53256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53257 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53258 if v.display: 
    53259 File
    53260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53261 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53262 return self._any_displayed_positions and len(self._positions) > 0 
    53263 TypeError: object of type 'NoneType' has no len() 
    53264  
    53265 During handling of the above exception, another exception occurred: 
    53266  
    53267 Traceback (most recent call last): 
    53268 File
    53269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53270 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53271 if not self.draw_new_frame(): 
    53272 File
    53273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53274 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53275 changed = view.check_for_drawing_change() 
    53276 File
    53277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53278 packages/chimerax/core/graphics/view.py", line 252, in
    53279 check_for_drawing_change 
    53280 trig.activate_trigger('graphics update', self) 
    53281 File
    53282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53283 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53284 trigger.activate(data) 
    53285 File
    53286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53287 packages/chimerax/core/triggerset.py", line 190, in activate 
    53288 ret = handler.invoke(data, self._remove_bad_handlers) 
    53289 File
    53290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53291 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53292 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53293 File
    53294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53295 packages/chimerax/core/session.py", line 943, in <lambda> 
    53296 logger.report_exception(preface=preface)) 
    53297 File
    53298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53299 packages/chimerax/core/logger.py", line 421, in report_exception 
    53300 elif probably_chimera1_session(exc_info): 
    53301 File
    53302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53303 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53304 etype, evalue, etraceback = exc_info 
    53305 TypeError: cannot unpack non-iterable NoneType object 
    53306  
    53307 TypeError: cannot unpack non-iterable NoneType object 
    53308  
    53309 File
    53310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53311 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53312 etype, evalue, etraceback = exc_info 
    53313  
    53314 See log for complete Python traceback. 
    53315  
    53316 Traceback (most recent call last): 
    53317 File
    53318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53319 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53320 return self._func(self._name, data) 
    53321 File
    53322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53323 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53324 if v.display: 
    53325 File
    53326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53327 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53328 return self._any_displayed_positions and len(self._positions) > 0 
    53329 TypeError: object of type 'NoneType' has no len() 
    53330  
    53331 During handling of the above exception, another exception occurred: 
    53332  
    53333 Traceback (most recent call last): 
    53334 File
    53335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53336 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53337 if not self.draw_new_frame(): 
    53338 File
    53339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53340 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53341 changed = view.check_for_drawing_change() 
    53342 File
    53343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53344 packages/chimerax/core/graphics/view.py", line 252, in
    53345 check_for_drawing_change 
    53346 trig.activate_trigger('graphics update', self) 
    53347 File
    53348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53349 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53350 trigger.activate(data) 
    53351 File
    53352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53353 packages/chimerax/core/triggerset.py", line 190, in activate 
    53354 ret = handler.invoke(data, self._remove_bad_handlers) 
    53355 File
    53356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53357 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53358 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53359 File
    53360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53361 packages/chimerax/core/session.py", line 943, in <lambda> 
    53362 logger.report_exception(preface=preface)) 
    53363 File
    53364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53365 packages/chimerax/core/logger.py", line 421, in report_exception 
    53366 elif probably_chimera1_session(exc_info): 
    53367 File
    53368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53369 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53370 etype, evalue, etraceback = exc_info 
    53371 TypeError: cannot unpack non-iterable NoneType object 
    53372  
    53373 TypeError: cannot unpack non-iterable NoneType object 
    53374  
    53375 File
    53376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53377 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53378 etype, evalue, etraceback = exc_info 
    53379  
    53380 See log for complete Python traceback. 
    53381  
    53382 Traceback (most recent call last): 
    53383 File
    53384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53385 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53386 return self._func(self._name, data) 
    53387 File
    53388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53389 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53390 if v.display: 
    53391 File
    53392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53393 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53394 return self._any_displayed_positions and len(self._positions) > 0 
    53395 TypeError: object of type 'NoneType' has no len() 
    53396  
    53397 During handling of the above exception, another exception occurred: 
    53398  
    53399 Traceback (most recent call last): 
    53400 File
    53401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53402 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53403 if not self.draw_new_frame(): 
    53404 File
    53405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53406 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53407 changed = view.check_for_drawing_change() 
    53408 File
    53409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53410 packages/chimerax/core/graphics/view.py", line 252, in
    53411 check_for_drawing_change 
    53412 trig.activate_trigger('graphics update', self) 
    53413 File
    53414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53415 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53416 trigger.activate(data) 
    53417 File
    53418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53419 packages/chimerax/core/triggerset.py", line 190, in activate 
    53420 ret = handler.invoke(data, self._remove_bad_handlers) 
    53421 File
    53422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53423 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53424 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53425 File
    53426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53427 packages/chimerax/core/session.py", line 943, in <lambda> 
    53428 logger.report_exception(preface=preface)) 
    53429 File
    53430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53431 packages/chimerax/core/logger.py", line 421, in report_exception 
    53432 elif probably_chimera1_session(exc_info): 
    53433 File
    53434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53435 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53436 etype, evalue, etraceback = exc_info 
    53437 TypeError: cannot unpack non-iterable NoneType object 
    53438  
    53439 TypeError: cannot unpack non-iterable NoneType object 
    53440  
    53441 File
    53442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53443 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53444 etype, evalue, etraceback = exc_info 
    53445  
    53446 See log for complete Python traceback. 
    53447  
    53448 Traceback (most recent call last): 
    53449 File
    53450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53451 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53452 return self._func(self._name, data) 
    53453 File
    53454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53455 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53456 if v.display: 
    53457 File
    53458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53459 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53460 return self._any_displayed_positions and len(self._positions) > 0 
    53461 TypeError: object of type 'NoneType' has no len() 
    53462  
    53463 During handling of the above exception, another exception occurred: 
    53464  
    53465 Traceback (most recent call last): 
    53466 File
    53467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53468 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53469 if not self.draw_new_frame(): 
    53470 File
    53471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53472 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53473 changed = view.check_for_drawing_change() 
    53474 File
    53475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53476 packages/chimerax/core/graphics/view.py", line 252, in
    53477 check_for_drawing_change 
    53478 trig.activate_trigger('graphics update', self) 
    53479 File
    53480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53481 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53482 trigger.activate(data) 
    53483 File
    53484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53485 packages/chimerax/core/triggerset.py", line 190, in activate 
    53486 ret = handler.invoke(data, self._remove_bad_handlers) 
    53487 File
    53488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53489 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53490 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53491 File
    53492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53493 packages/chimerax/core/session.py", line 943, in <lambda> 
    53494 logger.report_exception(preface=preface)) 
    53495 File
    53496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53497 packages/chimerax/core/logger.py", line 421, in report_exception 
    53498 elif probably_chimera1_session(exc_info): 
    53499 File
    53500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53501 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53502 etype, evalue, etraceback = exc_info 
    53503 TypeError: cannot unpack non-iterable NoneType object 
    53504  
    53505 TypeError: cannot unpack non-iterable NoneType object 
    53506  
    53507 File
    53508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53509 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53510 etype, evalue, etraceback = exc_info 
    53511  
    53512 See log for complete Python traceback. 
    53513  
    53514 Traceback (most recent call last): 
    53515 File
    53516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53517 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53518 return self._func(self._name, data) 
    53519 File
    53520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53521 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53522 if v.display: 
    53523 File
    53524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53525 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53526 return self._any_displayed_positions and len(self._positions) > 0 
    53527 TypeError: object of type 'NoneType' has no len() 
    53528  
    53529 During handling of the above exception, another exception occurred: 
    53530  
    53531 Traceback (most recent call last): 
    53532 File
    53533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53534 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53535 if not self.draw_new_frame(): 
    53536 File
    53537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53538 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53539 changed = view.check_for_drawing_change() 
    53540 File
    53541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53542 packages/chimerax/core/graphics/view.py", line 252, in
    53543 check_for_drawing_change 
    53544 trig.activate_trigger('graphics update', self) 
    53545 File
    53546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53547 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53548 trigger.activate(data) 
    53549 File
    53550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53551 packages/chimerax/core/triggerset.py", line 190, in activate 
    53552 ret = handler.invoke(data, self._remove_bad_handlers) 
    53553 File
    53554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53555 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53556 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53557 File
    53558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53559 packages/chimerax/core/session.py", line 943, in <lambda> 
    53560 logger.report_exception(preface=preface)) 
    53561 File
    53562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53563 packages/chimerax/core/logger.py", line 421, in report_exception 
    53564 elif probably_chimera1_session(exc_info): 
    53565 File
    53566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53567 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53568 etype, evalue, etraceback = exc_info 
    53569 TypeError: cannot unpack non-iterable NoneType object 
    53570  
    53571 TypeError: cannot unpack non-iterable NoneType object 
    53572  
    53573 File
    53574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53575 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53576 etype, evalue, etraceback = exc_info 
    53577  
    53578 See log for complete Python traceback. 
    53579  
    53580 Traceback (most recent call last): 
    53581 File
    53582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53583 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53584 return self._func(self._name, data) 
    53585 File
    53586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53587 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53588 if v.display: 
    53589 File
    53590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53591 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53592 return self._any_displayed_positions and len(self._positions) > 0 
    53593 TypeError: object of type 'NoneType' has no len() 
    53594  
    53595 During handling of the above exception, another exception occurred: 
    53596  
    53597 Traceback (most recent call last): 
    53598 File
    53599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53600 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53601 if not self.draw_new_frame(): 
    53602 File
    53603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53604 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53605 changed = view.check_for_drawing_change() 
    53606 File
    53607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53608 packages/chimerax/core/graphics/view.py", line 252, in
    53609 check_for_drawing_change 
    53610 trig.activate_trigger('graphics update', self) 
    53611 File
    53612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53613 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53614 trigger.activate(data) 
    53615 File
    53616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53617 packages/chimerax/core/triggerset.py", line 190, in activate 
    53618 ret = handler.invoke(data, self._remove_bad_handlers) 
    53619 File
    53620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53621 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53622 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53623 File
    53624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53625 packages/chimerax/core/session.py", line 943, in <lambda> 
    53626 logger.report_exception(preface=preface)) 
    53627 File
    53628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53629 packages/chimerax/core/logger.py", line 421, in report_exception 
    53630 elif probably_chimera1_session(exc_info): 
    53631 File
    53632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53633 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53634 etype, evalue, etraceback = exc_info 
    53635 TypeError: cannot unpack non-iterable NoneType object 
    53636  
    53637 TypeError: cannot unpack non-iterable NoneType object 
    53638  
    53639 File
    53640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53641 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53642 etype, evalue, etraceback = exc_info 
    53643  
    53644 See log for complete Python traceback. 
    53645  
    53646 Traceback (most recent call last): 
    53647 File
    53648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53649 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53650 return self._func(self._name, data) 
    53651 File
    53652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53653 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53654 if v.display: 
    53655 File
    53656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53657 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53658 return self._any_displayed_positions and len(self._positions) > 0 
    53659 TypeError: object of type 'NoneType' has no len() 
    53660  
    53661 During handling of the above exception, another exception occurred: 
    53662  
    53663 Traceback (most recent call last): 
    53664 File
    53665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53666 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53667 if not self.draw_new_frame(): 
    53668 File
    53669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53670 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53671 changed = view.check_for_drawing_change() 
    53672 File
    53673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53674 packages/chimerax/core/graphics/view.py", line 252, in
    53675 check_for_drawing_change 
    53676 trig.activate_trigger('graphics update', self) 
    53677 File
    53678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53679 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53680 trigger.activate(data) 
    53681 File
    53682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53683 packages/chimerax/core/triggerset.py", line 190, in activate 
    53684 ret = handler.invoke(data, self._remove_bad_handlers) 
    53685 File
    53686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53687 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53688 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53689 File
    53690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53691 packages/chimerax/core/session.py", line 943, in <lambda> 
    53692 logger.report_exception(preface=preface)) 
    53693 File
    53694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53695 packages/chimerax/core/logger.py", line 421, in report_exception 
    53696 elif probably_chimera1_session(exc_info): 
    53697 File
    53698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53699 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53700 etype, evalue, etraceback = exc_info 
    53701 TypeError: cannot unpack non-iterable NoneType object 
    53702  
    53703 TypeError: cannot unpack non-iterable NoneType object 
    53704  
    53705 File
    53706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53707 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53708 etype, evalue, etraceback = exc_info 
    53709  
    53710 See log for complete Python traceback. 
    53711  
    53712 Traceback (most recent call last): 
    53713 File
    53714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53715 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53716 return self._func(self._name, data) 
    53717 File
    53718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53719 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53720 if v.display: 
    53721 File
    53722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53723 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53724 return self._any_displayed_positions and len(self._positions) > 0 
    53725 TypeError: object of type 'NoneType' has no len() 
    53726  
    53727 During handling of the above exception, another exception occurred: 
    53728  
    53729 Traceback (most recent call last): 
    53730 File
    53731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53732 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53733 if not self.draw_new_frame(): 
    53734 File
    53735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53736 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53737 changed = view.check_for_drawing_change() 
    53738 File
    53739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53740 packages/chimerax/core/graphics/view.py", line 252, in
    53741 check_for_drawing_change 
    53742 trig.activate_trigger('graphics update', self) 
    53743 File
    53744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53745 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53746 trigger.activate(data) 
    53747 File
    53748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53749 packages/chimerax/core/triggerset.py", line 190, in activate 
    53750 ret = handler.invoke(data, self._remove_bad_handlers) 
    53751 File
    53752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53753 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53754 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53755 File
    53756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53757 packages/chimerax/core/session.py", line 943, in <lambda> 
    53758 logger.report_exception(preface=preface)) 
    53759 File
    53760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53761 packages/chimerax/core/logger.py", line 421, in report_exception 
    53762 elif probably_chimera1_session(exc_info): 
    53763 File
    53764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53765 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53766 etype, evalue, etraceback = exc_info 
    53767 TypeError: cannot unpack non-iterable NoneType object 
    53768  
    53769 TypeError: cannot unpack non-iterable NoneType object 
    53770  
    53771 File
    53772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53773 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53774 etype, evalue, etraceback = exc_info 
    53775  
    53776 See log for complete Python traceback. 
    53777  
    53778 Traceback (most recent call last): 
    53779 File
    53780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53781 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53782 return self._func(self._name, data) 
    53783 File
    53784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53785 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53786 if v.display: 
    53787 File
    53788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53789 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53790 return self._any_displayed_positions and len(self._positions) > 0 
    53791 TypeError: object of type 'NoneType' has no len() 
    53792  
    53793 During handling of the above exception, another exception occurred: 
    53794  
    53795 Traceback (most recent call last): 
    53796 File
    53797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53798 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53799 if not self.draw_new_frame(): 
    53800 File
    53801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53802 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53803 changed = view.check_for_drawing_change() 
    53804 File
    53805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53806 packages/chimerax/core/graphics/view.py", line 252, in
    53807 check_for_drawing_change 
    53808 trig.activate_trigger('graphics update', self) 
    53809 File
    53810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53811 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53812 trigger.activate(data) 
    53813 File
    53814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53815 packages/chimerax/core/triggerset.py", line 190, in activate 
    53816 ret = handler.invoke(data, self._remove_bad_handlers) 
    53817 File
    53818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53819 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53820 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53821 File
    53822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53823 packages/chimerax/core/session.py", line 943, in <lambda> 
    53824 logger.report_exception(preface=preface)) 
    53825 File
    53826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53827 packages/chimerax/core/logger.py", line 421, in report_exception 
    53828 elif probably_chimera1_session(exc_info): 
    53829 File
    53830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53831 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53832 etype, evalue, etraceback = exc_info 
    53833 TypeError: cannot unpack non-iterable NoneType object 
    53834  
    53835 TypeError: cannot unpack non-iterable NoneType object 
    53836  
    53837 File
    53838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53839 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53840 etype, evalue, etraceback = exc_info 
    53841  
    53842 See log for complete Python traceback. 
    53843  
    53844 Traceback (most recent call last): 
    53845 File
    53846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53847 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53848 return self._func(self._name, data) 
    53849 File
    53850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53851 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53852 if v.display: 
    53853 File
    53854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53855 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53856 return self._any_displayed_positions and len(self._positions) > 0 
    53857 TypeError: object of type 'NoneType' has no len() 
    53858  
    53859 During handling of the above exception, another exception occurred: 
    53860  
    53861 Traceback (most recent call last): 
    53862 File
    53863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53864 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53865 if not self.draw_new_frame(): 
    53866 File
    53867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53868 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53869 changed = view.check_for_drawing_change() 
    53870 File
    53871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53872 packages/chimerax/core/graphics/view.py", line 252, in
    53873 check_for_drawing_change 
    53874 trig.activate_trigger('graphics update', self) 
    53875 File
    53876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53877 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53878 trigger.activate(data) 
    53879 File
    53880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53881 packages/chimerax/core/triggerset.py", line 190, in activate 
    53882 ret = handler.invoke(data, self._remove_bad_handlers) 
    53883 File
    53884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53885 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53886 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53887 File
    53888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53889 packages/chimerax/core/session.py", line 943, in <lambda> 
    53890 logger.report_exception(preface=preface)) 
    53891 File
    53892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53893 packages/chimerax/core/logger.py", line 421, in report_exception 
    53894 elif probably_chimera1_session(exc_info): 
    53895 File
    53896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53897 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53898 etype, evalue, etraceback = exc_info 
    53899 TypeError: cannot unpack non-iterable NoneType object 
    53900  
    53901 TypeError: cannot unpack non-iterable NoneType object 
    53902  
    53903 File
    53904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53905 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53906 etype, evalue, etraceback = exc_info 
    53907  
    53908 See log for complete Python traceback. 
    53909  
    53910 Traceback (most recent call last): 
    53911 File
    53912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53913 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53914 return self._func(self._name, data) 
    53915 File
    53916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53917 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53918 if v.display: 
    53919 File
    53920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53921 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53922 return self._any_displayed_positions and len(self._positions) > 0 
    53923 TypeError: object of type 'NoneType' has no len() 
    53924  
    53925 During handling of the above exception, another exception occurred: 
    53926  
    53927 Traceback (most recent call last): 
    53928 File
    53929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53930 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53931 if not self.draw_new_frame(): 
    53932 File
    53933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53934 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53935 changed = view.check_for_drawing_change() 
    53936 File
    53937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53938 packages/chimerax/core/graphics/view.py", line 252, in
    53939 check_for_drawing_change 
    53940 trig.activate_trigger('graphics update', self) 
    53941 File
    53942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53943 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53944 trigger.activate(data) 
    53945 File
    53946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53947 packages/chimerax/core/triggerset.py", line 190, in activate 
    53948 ret = handler.invoke(data, self._remove_bad_handlers) 
    53949 File
    53950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53951 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53952 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53953 File
    53954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53955 packages/chimerax/core/session.py", line 943, in <lambda> 
    53956 logger.report_exception(preface=preface)) 
    53957 File
    53958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53959 packages/chimerax/core/logger.py", line 421, in report_exception 
    53960 elif probably_chimera1_session(exc_info): 
    53961 File
    53962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53963 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53964 etype, evalue, etraceback = exc_info 
    53965 TypeError: cannot unpack non-iterable NoneType object 
    53966  
    53967 TypeError: cannot unpack non-iterable NoneType object 
    53968  
    53969 File
    53970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53971 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53972 etype, evalue, etraceback = exc_info 
    53973  
    53974 See log for complete Python traceback. 
    53975  
    53976 Traceback (most recent call last): 
    53977 File
    53978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53979 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53980 return self._func(self._name, data) 
    53981 File
    53982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53983 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53984 if v.display: 
    53985 File
    53986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53987 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53988 return self._any_displayed_positions and len(self._positions) > 0 
    53989 TypeError: object of type 'NoneType' has no len() 
    53990  
    53991 During handling of the above exception, another exception occurred: 
    53992  
    53993 Traceback (most recent call last): 
    53994 File
    53995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53996 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53997 if not self.draw_new_frame(): 
    53998 File
    53999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54000 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54001 changed = view.check_for_drawing_change() 
    54002 File
    54003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54004 packages/chimerax/core/graphics/view.py", line 252, in
    54005 check_for_drawing_change 
    54006 trig.activate_trigger('graphics update', self) 
    54007 File
    54008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54009 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54010 trigger.activate(data) 
    54011 File
    54012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54013 packages/chimerax/core/triggerset.py", line 190, in activate 
    54014 ret = handler.invoke(data, self._remove_bad_handlers) 
    54015 File
    54016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54017 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54018 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54019 File
    54020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54021 packages/chimerax/core/session.py", line 943, in <lambda> 
    54022 logger.report_exception(preface=preface)) 
    54023 File
    54024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54025 packages/chimerax/core/logger.py", line 421, in report_exception 
    54026 elif probably_chimera1_session(exc_info): 
    54027 File
    54028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54029 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54030 etype, evalue, etraceback = exc_info 
    54031 TypeError: cannot unpack non-iterable NoneType object 
    54032  
    54033 TypeError: cannot unpack non-iterable NoneType object 
    54034  
    54035 File
    54036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54037 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54038 etype, evalue, etraceback = exc_info 
    54039  
    54040 See log for complete Python traceback. 
    54041  
    54042 Traceback (most recent call last): 
    54043 File
    54044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54045 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54046 return self._func(self._name, data) 
    54047 File
    54048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54049 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54050 if v.display: 
    54051 File
    54052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54053 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54054 return self._any_displayed_positions and len(self._positions) > 0 
    54055 TypeError: object of type 'NoneType' has no len() 
    54056  
    54057 During handling of the above exception, another exception occurred: 
    54058  
    54059 Traceback (most recent call last): 
    54060 File
    54061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54062 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54063 if not self.draw_new_frame(): 
    54064 File
    54065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54066 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54067 changed = view.check_for_drawing_change() 
    54068 File
    54069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54070 packages/chimerax/core/graphics/view.py", line 252, in
    54071 check_for_drawing_change 
    54072 trig.activate_trigger('graphics update', self) 
    54073 File
    54074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54075 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54076 trigger.activate(data) 
    54077 File
    54078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54079 packages/chimerax/core/triggerset.py", line 190, in activate 
    54080 ret = handler.invoke(data, self._remove_bad_handlers) 
    54081 File
    54082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54083 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54084 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54085 File
    54086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54087 packages/chimerax/core/session.py", line 943, in <lambda> 
    54088 logger.report_exception(preface=preface)) 
    54089 File
    54090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54091 packages/chimerax/core/logger.py", line 421, in report_exception 
    54092 elif probably_chimera1_session(exc_info): 
    54093 File
    54094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54095 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54096 etype, evalue, etraceback = exc_info 
    54097 TypeError: cannot unpack non-iterable NoneType object 
    54098  
    54099 TypeError: cannot unpack non-iterable NoneType object 
    54100  
    54101 File
    54102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54103 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54104 etype, evalue, etraceback = exc_info 
    54105  
    54106 See log for complete Python traceback. 
    54107  
    54108 Traceback (most recent call last): 
    54109 File
    54110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54111 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54112 return self._func(self._name, data) 
    54113 File
    54114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54115 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54116 if v.display: 
    54117 File
    54118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54119 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54120 return self._any_displayed_positions and len(self._positions) > 0 
    54121 TypeError: object of type 'NoneType' has no len() 
    54122  
    54123 During handling of the above exception, another exception occurred: 
    54124  
    54125 Traceback (most recent call last): 
    54126 File
    54127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54128 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54129 if not self.draw_new_frame(): 
    54130 File
    54131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54132 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54133 changed = view.check_for_drawing_change() 
    54134 File
    54135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54136 packages/chimerax/core/graphics/view.py", line 252, in
    54137 check_for_drawing_change 
    54138 trig.activate_trigger('graphics update', self) 
    54139 File
    54140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54141 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54142 trigger.activate(data) 
    54143 File
    54144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54145 packages/chimerax/core/triggerset.py", line 190, in activate 
    54146 ret = handler.invoke(data, self._remove_bad_handlers) 
    54147 File
    54148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54149 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54150 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54151 File
    54152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54153 packages/chimerax/core/session.py", line 943, in <lambda> 
    54154 logger.report_exception(preface=preface)) 
    54155 File
    54156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54157 packages/chimerax/core/logger.py", line 421, in report_exception 
    54158 elif probably_chimera1_session(exc_info): 
    54159 File
    54160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54161 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54162 etype, evalue, etraceback = exc_info 
    54163 TypeError: cannot unpack non-iterable NoneType object 
    54164  
    54165 TypeError: cannot unpack non-iterable NoneType object 
    54166  
    54167 File
    54168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54169 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54170 etype, evalue, etraceback = exc_info 
    54171  
    54172 See log for complete Python traceback. 
    54173  
    54174 Traceback (most recent call last): 
    54175 File
    54176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54177 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54178 return self._func(self._name, data) 
    54179 File
    54180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54181 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54182 if v.display: 
    54183 File
    54184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54185 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54186 return self._any_displayed_positions and len(self._positions) > 0 
    54187 TypeError: object of type 'NoneType' has no len() 
    54188  
    54189 During handling of the above exception, another exception occurred: 
    54190  
    54191 Traceback (most recent call last): 
    54192 File
    54193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54194 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54195 if not self.draw_new_frame(): 
    54196 File
    54197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54198 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54199 changed = view.check_for_drawing_change() 
    54200 File
    54201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54202 packages/chimerax/core/graphics/view.py", line 252, in
    54203 check_for_drawing_change 
    54204 trig.activate_trigger('graphics update', self) 
    54205 File
    54206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54207 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54208 trigger.activate(data) 
    54209 File
    54210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54211 packages/chimerax/core/triggerset.py", line 190, in activate 
    54212 ret = handler.invoke(data, self._remove_bad_handlers) 
    54213 File
    54214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54215 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54216 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54217 File
    54218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54219 packages/chimerax/core/session.py", line 943, in <lambda> 
    54220 logger.report_exception(preface=preface)) 
    54221 File
    54222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54223 packages/chimerax/core/logger.py", line 421, in report_exception 
    54224 elif probably_chimera1_session(exc_info): 
    54225 File
    54226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54227 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54228 etype, evalue, etraceback = exc_info 
    54229 TypeError: cannot unpack non-iterable NoneType object 
    54230  
    54231 TypeError: cannot unpack non-iterable NoneType object 
    54232  
    54233 File
    54234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54235 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54236 etype, evalue, etraceback = exc_info 
    54237  
    54238 See log for complete Python traceback. 
    54239  
    54240 Traceback (most recent call last): 
    54241 File
    54242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54243 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54244 return self._func(self._name, data) 
    54245 File
    54246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54247 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54248 if v.display: 
    54249 File
    54250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54251 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54252 return self._any_displayed_positions and len(self._positions) > 0 
    54253 TypeError: object of type 'NoneType' has no len() 
    54254  
    54255 During handling of the above exception, another exception occurred: 
    54256  
    54257 Traceback (most recent call last): 
    54258 File
    54259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54260 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54261 if not self.draw_new_frame(): 
    54262 File
    54263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54264 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54265 changed = view.check_for_drawing_change() 
    54266 File
    54267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54268 packages/chimerax/core/graphics/view.py", line 252, in
    54269 check_for_drawing_change 
    54270 trig.activate_trigger('graphics update', self) 
    54271 File
    54272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54273 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54274 trigger.activate(data) 
    54275 File
    54276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54277 packages/chimerax/core/triggerset.py", line 190, in activate 
    54278 ret = handler.invoke(data, self._remove_bad_handlers) 
    54279 File
    54280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54281 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54282 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54283 File
    54284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54285 packages/chimerax/core/session.py", line 943, in <lambda> 
    54286 logger.report_exception(preface=preface)) 
    54287 File
    54288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54289 packages/chimerax/core/logger.py", line 421, in report_exception 
    54290 elif probably_chimera1_session(exc_info): 
    54291 File
    54292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54293 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54294 etype, evalue, etraceback = exc_info 
    54295 TypeError: cannot unpack non-iterable NoneType object 
    54296  
    54297 TypeError: cannot unpack non-iterable NoneType object 
    54298  
    54299 File
    54300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54301 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54302 etype, evalue, etraceback = exc_info 
    54303  
    54304 See log for complete Python traceback. 
    54305  
    54306 Traceback (most recent call last): 
    54307 File
    54308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54309 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54310 return self._func(self._name, data) 
    54311 File
    54312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54313 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54314 if v.display: 
    54315 File
    54316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54317 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54318 return self._any_displayed_positions and len(self._positions) > 0 
    54319 TypeError: object of type 'NoneType' has no len() 
    54320  
    54321 During handling of the above exception, another exception occurred: 
    54322  
    54323 Traceback (most recent call last): 
    54324 File
    54325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54326 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54327 if not self.draw_new_frame(): 
    54328 File
    54329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54330 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54331 changed = view.check_for_drawing_change() 
    54332 File
    54333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54334 packages/chimerax/core/graphics/view.py", line 252, in
    54335 check_for_drawing_change 
    54336 trig.activate_trigger('graphics update', self) 
    54337 File
    54338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54339 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54340 trigger.activate(data) 
    54341 File
    54342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54343 packages/chimerax/core/triggerset.py", line 190, in activate 
    54344 ret = handler.invoke(data, self._remove_bad_handlers) 
    54345 File
    54346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54347 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54348 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54349 File
    54350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54351 packages/chimerax/core/session.py", line 943, in <lambda> 
    54352 logger.report_exception(preface=preface)) 
    54353 File
    54354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54355 packages/chimerax/core/logger.py", line 421, in report_exception 
    54356 elif probably_chimera1_session(exc_info): 
    54357 File
    54358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54359 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54360 etype, evalue, etraceback = exc_info 
    54361 TypeError: cannot unpack non-iterable NoneType object 
    54362  
    54363 TypeError: cannot unpack non-iterable NoneType object 
    54364  
    54365 File
    54366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54367 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54368 etype, evalue, etraceback = exc_info 
    54369  
    54370 See log for complete Python traceback. 
    54371  
    54372 Traceback (most recent call last): 
    54373 File
    54374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54375 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54376 return self._func(self._name, data) 
    54377 File
    54378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54379 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54380 if v.display: 
    54381 File
    54382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54383 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54384 return self._any_displayed_positions and len(self._positions) > 0 
    54385 TypeError: object of type 'NoneType' has no len() 
    54386  
    54387 During handling of the above exception, another exception occurred: 
    54388  
    54389 Traceback (most recent call last): 
    54390 File
    54391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54392 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54393 if not self.draw_new_frame(): 
    54394 File
    54395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54396 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54397 changed = view.check_for_drawing_change() 
    54398 File
    54399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54400 packages/chimerax/core/graphics/view.py", line 252, in
    54401 check_for_drawing_change 
    54402 trig.activate_trigger('graphics update', self) 
    54403 File
    54404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54405 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54406 trigger.activate(data) 
    54407 File
    54408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54409 packages/chimerax/core/triggerset.py", line 190, in activate 
    54410 ret = handler.invoke(data, self._remove_bad_handlers) 
    54411 File
    54412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54413 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54414 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54415 File
    54416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54417 packages/chimerax/core/session.py", line 943, in <lambda> 
    54418 logger.report_exception(preface=preface)) 
    54419 File
    54420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54421 packages/chimerax/core/logger.py", line 421, in report_exception 
    54422 elif probably_chimera1_session(exc_info): 
    54423 File
    54424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54425 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54426 etype, evalue, etraceback = exc_info 
    54427 TypeError: cannot unpack non-iterable NoneType object 
    54428  
    54429 TypeError: cannot unpack non-iterable NoneType object 
    54430  
    54431 File
    54432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54433 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54434 etype, evalue, etraceback = exc_info 
    54435  
    54436 See log for complete Python traceback. 
    54437  
    54438 Traceback (most recent call last): 
    54439 File
    54440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54441 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54442 return self._func(self._name, data) 
    54443 File
    54444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54445 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54446 if v.display: 
    54447 File
    54448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54449 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54450 return self._any_displayed_positions and len(self._positions) > 0 
    54451 TypeError: object of type 'NoneType' has no len() 
    54452  
    54453 During handling of the above exception, another exception occurred: 
    54454  
    54455 Traceback (most recent call last): 
    54456 File
    54457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54458 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54459 if not self.draw_new_frame(): 
    54460 File
    54461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54462 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54463 changed = view.check_for_drawing_change() 
    54464 File
    54465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54466 packages/chimerax/core/graphics/view.py", line 252, in
    54467 check_for_drawing_change 
    54468 trig.activate_trigger('graphics update', self) 
    54469 File
    54470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54471 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54472 trigger.activate(data) 
    54473 File
    54474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54475 packages/chimerax/core/triggerset.py", line 190, in activate 
    54476 ret = handler.invoke(data, self._remove_bad_handlers) 
    54477 File
    54478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54479 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54480 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54481 File
    54482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54483 packages/chimerax/core/session.py", line 943, in <lambda> 
    54484 logger.report_exception(preface=preface)) 
    54485 File
    54486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54487 packages/chimerax/core/logger.py", line 421, in report_exception 
    54488 elif probably_chimera1_session(exc_info): 
    54489 File
    54490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54491 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54492 etype, evalue, etraceback = exc_info 
    54493 TypeError: cannot unpack non-iterable NoneType object 
    54494  
    54495 TypeError: cannot unpack non-iterable NoneType object 
    54496  
    54497 File
    54498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54499 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54500 etype, evalue, etraceback = exc_info 
    54501  
    54502 See log for complete Python traceback. 
    54503  
    54504 Traceback (most recent call last): 
    54505 File
    54506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54507 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54508 return self._func(self._name, data) 
    54509 File
    54510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54511 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54512 if v.display: 
    54513 File
    54514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54515 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54516 return self._any_displayed_positions and len(self._positions) > 0 
    54517 TypeError: object of type 'NoneType' has no len() 
    54518  
    54519 During handling of the above exception, another exception occurred: 
    54520  
    54521 Traceback (most recent call last): 
    54522 File
    54523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54524 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54525 if not self.draw_new_frame(): 
    54526 File
    54527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54528 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54529 changed = view.check_for_drawing_change() 
    54530 File
    54531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54532 packages/chimerax/core/graphics/view.py", line 252, in
    54533 check_for_drawing_change 
    54534 trig.activate_trigger('graphics update', self) 
    54535 File
    54536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54537 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54538 trigger.activate(data) 
    54539 File
    54540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54541 packages/chimerax/core/triggerset.py", line 190, in activate 
    54542 ret = handler.invoke(data, self._remove_bad_handlers) 
    54543 File
    54544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54545 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54546 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54547 File
    54548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54549 packages/chimerax/core/session.py", line 943, in <lambda> 
    54550 logger.report_exception(preface=preface)) 
    54551 File
    54552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54553 packages/chimerax/core/logger.py", line 421, in report_exception 
    54554 elif probably_chimera1_session(exc_info): 
    54555 File
    54556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54557 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54558 etype, evalue, etraceback = exc_info 
    54559 TypeError: cannot unpack non-iterable NoneType object 
    54560  
    54561 TypeError: cannot unpack non-iterable NoneType object 
    54562  
    54563 File
    54564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54565 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54566 etype, evalue, etraceback = exc_info 
    54567  
    54568 See log for complete Python traceback. 
    54569  
    54570 Traceback (most recent call last): 
    54571 File
    54572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54573 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54574 return self._func(self._name, data) 
    54575 File
    54576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54577 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54578 if v.display: 
    54579 File
    54580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54581 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54582 return self._any_displayed_positions and len(self._positions) > 0 
    54583 TypeError: object of type 'NoneType' has no len() 
    54584  
    54585 During handling of the above exception, another exception occurred: 
    54586  
    54587 Traceback (most recent call last): 
    54588 File
    54589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54590 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54591 if not self.draw_new_frame(): 
    54592 File
    54593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54594 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54595 changed = view.check_for_drawing_change() 
    54596 File
    54597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54598 packages/chimerax/core/graphics/view.py", line 252, in
    54599 check_for_drawing_change 
    54600 trig.activate_trigger('graphics update', self) 
    54601 File
    54602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54603 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54604 trigger.activate(data) 
    54605 File
    54606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54607 packages/chimerax/core/triggerset.py", line 190, in activate 
    54608 ret = handler.invoke(data, self._remove_bad_handlers) 
    54609 File
    54610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54611 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54612 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54613 File
    54614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54615 packages/chimerax/core/session.py", line 943, in <lambda> 
    54616 logger.report_exception(preface=preface)) 
    54617 File
    54618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54619 packages/chimerax/core/logger.py", line 421, in report_exception 
    54620 elif probably_chimera1_session(exc_info): 
    54621 File
    54622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54623 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54624 etype, evalue, etraceback = exc_info 
    54625 TypeError: cannot unpack non-iterable NoneType object 
    54626  
    54627 TypeError: cannot unpack non-iterable NoneType object 
    54628  
    54629 File
    54630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54631 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54632 etype, evalue, etraceback = exc_info 
    54633  
    54634 See log for complete Python traceback. 
    54635  
    54636 Traceback (most recent call last): 
    54637 File
    54638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54639 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54640 return self._func(self._name, data) 
    54641 File
    54642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54643 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54644 if v.display: 
    54645 File
    54646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54647 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54648 return self._any_displayed_positions and len(self._positions) > 0 
    54649 TypeError: object of type 'NoneType' has no len() 
    54650  
    54651 During handling of the above exception, another exception occurred: 
    54652  
    54653 Traceback (most recent call last): 
    54654 File
    54655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54656 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54657 if not self.draw_new_frame(): 
    54658 File
    54659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54660 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54661 changed = view.check_for_drawing_change() 
    54662 File
    54663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54664 packages/chimerax/core/graphics/view.py", line 252, in
    54665 check_for_drawing_change 
    54666 trig.activate_trigger('graphics update', self) 
    54667 File
    54668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54669 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54670 trigger.activate(data) 
    54671 File
    54672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54673 packages/chimerax/core/triggerset.py", line 190, in activate 
    54674 ret = handler.invoke(data, self._remove_bad_handlers) 
    54675 File
    54676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54677 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54678 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54679 File
    54680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54681 packages/chimerax/core/session.py", line 943, in <lambda> 
    54682 logger.report_exception(preface=preface)) 
    54683 File
    54684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54685 packages/chimerax/core/logger.py", line 421, in report_exception 
    54686 elif probably_chimera1_session(exc_info): 
    54687 File
    54688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54689 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54690 etype, evalue, etraceback = exc_info 
    54691 TypeError: cannot unpack non-iterable NoneType object 
    54692  
    54693 TypeError: cannot unpack non-iterable NoneType object 
    54694  
    54695 File
    54696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54697 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54698 etype, evalue, etraceback = exc_info 
    54699  
    54700 See log for complete Python traceback. 
    54701  
    54702 Traceback (most recent call last): 
    54703 File
    54704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54705 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54706 return self._func(self._name, data) 
    54707 File
    54708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54709 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54710 if v.display: 
    54711 File
    54712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54713 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54714 return self._any_displayed_positions and len(self._positions) > 0 
    54715 TypeError: object of type 'NoneType' has no len() 
    54716  
    54717 During handling of the above exception, another exception occurred: 
    54718  
    54719 Traceback (most recent call last): 
    54720 File
    54721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54722 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54723 if not self.draw_new_frame(): 
    54724 File
    54725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54726 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54727 changed = view.check_for_drawing_change() 
    54728 File
    54729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54730 packages/chimerax/core/graphics/view.py", line 252, in
    54731 check_for_drawing_change 
    54732 trig.activate_trigger('graphics update', self) 
    54733 File
    54734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54735 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54736 trigger.activate(data) 
    54737 File
    54738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54739 packages/chimerax/core/triggerset.py", line 190, in activate 
    54740 ret = handler.invoke(data, self._remove_bad_handlers) 
    54741 File
    54742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54743 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54744 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54745 File
    54746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54747 packages/chimerax/core/session.py", line 943, in <lambda> 
    54748 logger.report_exception(preface=preface)) 
    54749 File
    54750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54751 packages/chimerax/core/logger.py", line 421, in report_exception 
    54752 elif probably_chimera1_session(exc_info): 
    54753 File
    54754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54755 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54756 etype, evalue, etraceback = exc_info 
    54757 TypeError: cannot unpack non-iterable NoneType object 
    54758  
    54759 TypeError: cannot unpack non-iterable NoneType object 
    54760  
    54761 File
    54762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54763 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54764 etype, evalue, etraceback = exc_info 
    54765  
    54766 See log for complete Python traceback. 
    54767  
    54768 Traceback (most recent call last): 
    54769 File
    54770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54771 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54772 return self._func(self._name, data) 
    54773 File
    54774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54775 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54776 if v.display: 
    54777 File
    54778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54779 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54780 return self._any_displayed_positions and len(self._positions) > 0 
    54781 TypeError: object of type 'NoneType' has no len() 
    54782  
    54783 During handling of the above exception, another exception occurred: 
    54784  
    54785 Traceback (most recent call last): 
    54786 File
    54787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54788 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54789 if not self.draw_new_frame(): 
    54790 File
    54791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54792 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54793 changed = view.check_for_drawing_change() 
    54794 File
    54795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54796 packages/chimerax/core/graphics/view.py", line 252, in
    54797 check_for_drawing_change 
    54798 trig.activate_trigger('graphics update', self) 
    54799 File
    54800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54801 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54802 trigger.activate(data) 
    54803 File
    54804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54805 packages/chimerax/core/triggerset.py", line 190, in activate 
    54806 ret = handler.invoke(data, self._remove_bad_handlers) 
    54807 File
    54808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54809 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54810 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54811 File
    54812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54813 packages/chimerax/core/session.py", line 943, in <lambda> 
    54814 logger.report_exception(preface=preface)) 
    54815 File
    54816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54817 packages/chimerax/core/logger.py", line 421, in report_exception 
    54818 elif probably_chimera1_session(exc_info): 
    54819 File
    54820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54821 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54822 etype, evalue, etraceback = exc_info 
    54823 TypeError: cannot unpack non-iterable NoneType object 
    54824  
    54825 TypeError: cannot unpack non-iterable NoneType object 
    54826  
    54827 File
    54828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54829 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54830 etype, evalue, etraceback = exc_info 
    54831  
    54832 See log for complete Python traceback. 
    54833  
    54834 Traceback (most recent call last): 
    54835 File
    54836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54837 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54838 return self._func(self._name, data) 
    54839 File
    54840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54841 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54842 if v.display: 
    54843 File
    54844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54845 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54846 return self._any_displayed_positions and len(self._positions) > 0 
    54847 TypeError: object of type 'NoneType' has no len() 
    54848  
    54849 During handling of the above exception, another exception occurred: 
    54850  
    54851 Traceback (most recent call last): 
    54852 File
    54853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54854 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54855 if not self.draw_new_frame(): 
    54856 File
    54857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54858 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54859 changed = view.check_for_drawing_change() 
    54860 File
    54861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54862 packages/chimerax/core/graphics/view.py", line 252, in
    54863 check_for_drawing_change 
    54864 trig.activate_trigger('graphics update', self) 
    54865 File
    54866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54867 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54868 trigger.activate(data) 
    54869 File
    54870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54871 packages/chimerax/core/triggerset.py", line 190, in activate 
    54872 ret = handler.invoke(data, self._remove_bad_handlers) 
    54873 File
    54874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54875 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54876 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54877 File
    54878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54879 packages/chimerax/core/session.py", line 943, in <lambda> 
    54880 logger.report_exception(preface=preface)) 
    54881 File
    54882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54883 packages/chimerax/core/logger.py", line 421, in report_exception 
    54884 elif probably_chimera1_session(exc_info): 
    54885 File
    54886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54887 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54888 etype, evalue, etraceback = exc_info 
    54889 TypeError: cannot unpack non-iterable NoneType object 
    54890  
    54891 TypeError: cannot unpack non-iterable NoneType object 
    54892  
    54893 File
    54894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54895 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54896 etype, evalue, etraceback = exc_info 
    54897  
    54898 See log for complete Python traceback. 
    54899  
    54900 Traceback (most recent call last): 
    54901 File
    54902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54903 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54904 return self._func(self._name, data) 
    54905 File
    54906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54907 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54908 if v.display: 
    54909 File
    54910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54911 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54912 return self._any_displayed_positions and len(self._positions) > 0 
    54913 TypeError: object of type 'NoneType' has no len() 
    54914  
    54915 During handling of the above exception, another exception occurred: 
    54916  
    54917 Traceback (most recent call last): 
    54918 File
    54919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54920 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54921 if not self.draw_new_frame(): 
    54922 File
    54923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54924 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54925 changed = view.check_for_drawing_change() 
    54926 File
    54927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54928 packages/chimerax/core/graphics/view.py", line 252, in
    54929 check_for_drawing_change 
    54930 trig.activate_trigger('graphics update', self) 
    54931 File
    54932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54933 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54934 trigger.activate(data) 
    54935 File
    54936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54937 packages/chimerax/core/triggerset.py", line 190, in activate 
    54938 ret = handler.invoke(data, self._remove_bad_handlers) 
    54939 File
    54940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54941 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54942 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54943 File
    54944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54945 packages/chimerax/core/session.py", line 943, in <lambda> 
    54946 logger.report_exception(preface=preface)) 
    54947 File
    54948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54949 packages/chimerax/core/logger.py", line 421, in report_exception 
    54950 elif probably_chimera1_session(exc_info): 
    54951 File
    54952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54953 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54954 etype, evalue, etraceback = exc_info 
    54955 TypeError: cannot unpack non-iterable NoneType object 
    54956  
    54957 TypeError: cannot unpack non-iterable NoneType object 
    54958  
    54959 File
    54960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54961 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54962 etype, evalue, etraceback = exc_info 
    54963  
    54964 See log for complete Python traceback. 
    54965  
    54966 Traceback (most recent call last): 
    54967 File
    54968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54969 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54970 return self._func(self._name, data) 
    54971 File
    54972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54973 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54974 if v.display: 
    54975 File
    54976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54977 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54978 return self._any_displayed_positions and len(self._positions) > 0 
    54979 TypeError: object of type 'NoneType' has no len() 
    54980  
    54981 During handling of the above exception, another exception occurred: 
    54982  
    54983 Traceback (most recent call last): 
    54984 File
    54985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54986 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54987 if not self.draw_new_frame(): 
    54988 File
    54989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54990 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54991 changed = view.check_for_drawing_change() 
    54992 File
    54993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54994 packages/chimerax/core/graphics/view.py", line 252, in
    54995 check_for_drawing_change 
    54996 trig.activate_trigger('graphics update', self) 
    54997 File
    54998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54999 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55000 trigger.activate(data) 
    55001 File
    55002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55003 packages/chimerax/core/triggerset.py", line 190, in activate 
    55004 ret = handler.invoke(data, self._remove_bad_handlers) 
    55005 File
    55006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55007 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55008 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55009 File
    55010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55011 packages/chimerax/core/session.py", line 943, in <lambda> 
    55012 logger.report_exception(preface=preface)) 
    55013 File
    55014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55015 packages/chimerax/core/logger.py", line 421, in report_exception 
    55016 elif probably_chimera1_session(exc_info): 
    55017 File
    55018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55019 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55020 etype, evalue, etraceback = exc_info 
    55021 TypeError: cannot unpack non-iterable NoneType object 
    55022  
    55023 TypeError: cannot unpack non-iterable NoneType object 
    55024  
    55025 File
    55026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55027 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55028 etype, evalue, etraceback = exc_info 
    55029  
    55030 See log for complete Python traceback. 
    55031  
    55032 Traceback (most recent call last): 
    55033 File
    55034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55035 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55036 return self._func(self._name, data) 
    55037 File
    55038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55039 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55040 if v.display: 
    55041 File
    55042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55043 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55044 return self._any_displayed_positions and len(self._positions) > 0 
    55045 TypeError: object of type 'NoneType' has no len() 
    55046  
    55047 During handling of the above exception, another exception occurred: 
    55048  
    55049 Traceback (most recent call last): 
    55050 File
    55051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55052 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55053 if not self.draw_new_frame(): 
    55054 File
    55055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55056 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55057 changed = view.check_for_drawing_change() 
    55058 File
    55059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55060 packages/chimerax/core/graphics/view.py", line 252, in
    55061 check_for_drawing_change 
    55062 trig.activate_trigger('graphics update', self) 
    55063 File
    55064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55065 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55066 trigger.activate(data) 
    55067 File
    55068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55069 packages/chimerax/core/triggerset.py", line 190, in activate 
    55070 ret = handler.invoke(data, self._remove_bad_handlers) 
    55071 File
    55072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55073 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55074 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55075 File
    55076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55077 packages/chimerax/core/session.py", line 943, in <lambda> 
    55078 logger.report_exception(preface=preface)) 
    55079 File
    55080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55081 packages/chimerax/core/logger.py", line 421, in report_exception 
    55082 elif probably_chimera1_session(exc_info): 
    55083 File
    55084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55085 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55086 etype, evalue, etraceback = exc_info 
    55087 TypeError: cannot unpack non-iterable NoneType object 
    55088  
    55089 TypeError: cannot unpack non-iterable NoneType object 
    55090  
    55091 File
    55092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55093 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55094 etype, evalue, etraceback = exc_info 
    55095  
    55096 See log for complete Python traceback. 
    55097  
    55098 Traceback (most recent call last): 
    55099 File
    55100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55101 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55102 return self._func(self._name, data) 
    55103 File
    55104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55105 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55106 if v.display: 
    55107 File
    55108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55109 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55110 return self._any_displayed_positions and len(self._positions) > 0 
    55111 TypeError: object of type 'NoneType' has no len() 
    55112  
    55113 During handling of the above exception, another exception occurred: 
    55114  
    55115 Traceback (most recent call last): 
    55116 File
    55117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55118 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55119 if not self.draw_new_frame(): 
    55120 File
    55121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55122 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55123 changed = view.check_for_drawing_change() 
    55124 File
    55125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55126 packages/chimerax/core/graphics/view.py", line 252, in
    55127 check_for_drawing_change 
    55128 trig.activate_trigger('graphics update', self) 
    55129 File
    55130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55131 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55132 trigger.activate(data) 
    55133 File
    55134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55135 packages/chimerax/core/triggerset.py", line 190, in activate 
    55136 ret = handler.invoke(data, self._remove_bad_handlers) 
    55137 File
    55138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55139 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55140 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55141 File
    55142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55143 packages/chimerax/core/session.py", line 943, in <lambda> 
    55144 logger.report_exception(preface=preface)) 
    55145 File
    55146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55147 packages/chimerax/core/logger.py", line 421, in report_exception 
    55148 elif probably_chimera1_session(exc_info): 
    55149 File
    55150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55151 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55152 etype, evalue, etraceback = exc_info 
    55153 TypeError: cannot unpack non-iterable NoneType object 
    55154  
    55155 TypeError: cannot unpack non-iterable NoneType object 
    55156  
    55157 File
    55158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55159 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55160 etype, evalue, etraceback = exc_info 
    55161  
    55162 See log for complete Python traceback. 
    55163  
    55164 Traceback (most recent call last): 
    55165 File
    55166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55167 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55168 return self._func(self._name, data) 
    55169 File
    55170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55171 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55172 if v.display: 
    55173 File
    55174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55175 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55176 return self._any_displayed_positions and len(self._positions) > 0 
    55177 TypeError: object of type 'NoneType' has no len() 
    55178  
    55179 During handling of the above exception, another exception occurred: 
    55180  
    55181 Traceback (most recent call last): 
    55182 File
    55183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55184 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55185 if not self.draw_new_frame(): 
    55186 File
    55187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55188 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55189 changed = view.check_for_drawing_change() 
    55190 File
    55191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55192 packages/chimerax/core/graphics/view.py", line 252, in
    55193 check_for_drawing_change 
    55194 trig.activate_trigger('graphics update', self) 
    55195 File
    55196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55197 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55198 trigger.activate(data) 
    55199 File
    55200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55201 packages/chimerax/core/triggerset.py", line 190, in activate 
    55202 ret = handler.invoke(data, self._remove_bad_handlers) 
    55203 File
    55204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55205 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55206 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55207 File
    55208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55209 packages/chimerax/core/session.py", line 943, in <lambda> 
    55210 logger.report_exception(preface=preface)) 
    55211 File
    55212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55213 packages/chimerax/core/logger.py", line 421, in report_exception 
    55214 elif probably_chimera1_session(exc_info): 
    55215 File
    55216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55217 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55218 etype, evalue, etraceback = exc_info 
    55219 TypeError: cannot unpack non-iterable NoneType object 
    55220  
    55221 TypeError: cannot unpack non-iterable NoneType object 
    55222  
    55223 File
    55224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55225 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55226 etype, evalue, etraceback = exc_info 
    55227  
    55228 See log for complete Python traceback. 
    55229  
    55230 Traceback (most recent call last): 
    55231 File
    55232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55233 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55234 return self._func(self._name, data) 
    55235 File
    55236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55237 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55238 if v.display: 
    55239 File
    55240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55241 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55242 return self._any_displayed_positions and len(self._positions) > 0 
    55243 TypeError: object of type 'NoneType' has no len() 
    55244  
    55245 During handling of the above exception, another exception occurred: 
    55246  
    55247 Traceback (most recent call last): 
    55248 File
    55249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55250 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55251 if not self.draw_new_frame(): 
    55252 File
    55253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55254 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55255 changed = view.check_for_drawing_change() 
    55256 File
    55257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55258 packages/chimerax/core/graphics/view.py", line 252, in
    55259 check_for_drawing_change 
    55260 trig.activate_trigger('graphics update', self) 
    55261 File
    55262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55263 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55264 trigger.activate(data) 
    55265 File
    55266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55267 packages/chimerax/core/triggerset.py", line 190, in activate 
    55268 ret = handler.invoke(data, self._remove_bad_handlers) 
    55269 File
    55270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55271 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55272 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55273 File
    55274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55275 packages/chimerax/core/session.py", line 943, in <lambda> 
    55276 logger.report_exception(preface=preface)) 
    55277 File
    55278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55279 packages/chimerax/core/logger.py", line 421, in report_exception 
    55280 elif probably_chimera1_session(exc_info): 
    55281 File
    55282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55283 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55284 etype, evalue, etraceback = exc_info 
    55285 TypeError: cannot unpack non-iterable NoneType object 
    55286  
    55287 TypeError: cannot unpack non-iterable NoneType object 
    55288  
    55289 File
    55290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55291 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55292 etype, evalue, etraceback = exc_info 
    55293  
    55294 See log for complete Python traceback. 
    55295  
    55296 Traceback (most recent call last): 
    55297 File
    55298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55299 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55300 return self._func(self._name, data) 
    55301 File
    55302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55303 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55304 if v.display: 
    55305 File
    55306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55307 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55308 return self._any_displayed_positions and len(self._positions) > 0 
    55309 TypeError: object of type 'NoneType' has no len() 
    55310  
    55311 During handling of the above exception, another exception occurred: 
    55312  
    55313 Traceback (most recent call last): 
    55314 File
    55315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55316 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55317 if not self.draw_new_frame(): 
    55318 File
    55319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55320 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55321 changed = view.check_for_drawing_change() 
    55322 File
    55323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55324 packages/chimerax/core/graphics/view.py", line 252, in
    55325 check_for_drawing_change 
    55326 trig.activate_trigger('graphics update', self) 
    55327 File
    55328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55329 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55330 trigger.activate(data) 
    55331 File
    55332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55333 packages/chimerax/core/triggerset.py", line 190, in activate 
    55334 ret = handler.invoke(data, self._remove_bad_handlers) 
    55335 File
    55336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55337 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55338 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55339 File
    55340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55341 packages/chimerax/core/session.py", line 943, in <lambda> 
    55342 logger.report_exception(preface=preface)) 
    55343 File
    55344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55345 packages/chimerax/core/logger.py", line 421, in report_exception 
    55346 elif probably_chimera1_session(exc_info): 
    55347 File
    55348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55349 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55350 etype, evalue, etraceback = exc_info 
    55351 TypeError: cannot unpack non-iterable NoneType object 
    55352  
    55353 TypeError: cannot unpack non-iterable NoneType object 
    55354  
    55355 File
    55356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55357 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55358 etype, evalue, etraceback = exc_info 
    55359  
    55360 See log for complete Python traceback. 
    55361  
    55362 Traceback (most recent call last): 
    55363 File
    55364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55365 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55366 return self._func(self._name, data) 
    55367 File
    55368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55369 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55370 if v.display: 
    55371 File
    55372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55373 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55374 return self._any_displayed_positions and len(self._positions) > 0 
    55375 TypeError: object of type 'NoneType' has no len() 
    55376  
    55377 During handling of the above exception, another exception occurred: 
    55378  
    55379 Traceback (most recent call last): 
    55380 File
    55381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55382 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55383 if not self.draw_new_frame(): 
    55384 File
    55385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55386 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55387 changed = view.check_for_drawing_change() 
    55388 File
    55389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55390 packages/chimerax/core/graphics/view.py", line 252, in
    55391 check_for_drawing_change 
    55392 trig.activate_trigger('graphics update', self) 
    55393 File
    55394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55395 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55396 trigger.activate(data) 
    55397 File
    55398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55399 packages/chimerax/core/triggerset.py", line 190, in activate 
    55400 ret = handler.invoke(data, self._remove_bad_handlers) 
    55401 File
    55402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55403 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55404 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55405 File
    55406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55407 packages/chimerax/core/session.py", line 943, in <lambda> 
    55408 logger.report_exception(preface=preface)) 
    55409 File
    55410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55411 packages/chimerax/core/logger.py", line 421, in report_exception 
    55412 elif probably_chimera1_session(exc_info): 
    55413 File
    55414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55415 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55416 etype, evalue, etraceback = exc_info 
    55417 TypeError: cannot unpack non-iterable NoneType object 
    55418  
    55419 TypeError: cannot unpack non-iterable NoneType object 
    55420  
    55421 File
    55422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55423 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55424 etype, evalue, etraceback = exc_info 
    55425  
    55426 See log for complete Python traceback. 
    55427  
    55428 Traceback (most recent call last): 
    55429 File
    55430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55431 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55432 return self._func(self._name, data) 
    55433 File
    55434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55435 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55436 if v.display: 
    55437 File
    55438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55439 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55440 return self._any_displayed_positions and len(self._positions) > 0 
    55441 TypeError: object of type 'NoneType' has no len() 
    55442  
    55443 During handling of the above exception, another exception occurred: 
    55444  
    55445 Traceback (most recent call last): 
    55446 File
    55447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55448 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55449 if not self.draw_new_frame(): 
    55450 File
    55451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55452 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55453 changed = view.check_for_drawing_change() 
    55454 File
    55455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55456 packages/chimerax/core/graphics/view.py", line 252, in
    55457 check_for_drawing_change 
    55458 trig.activate_trigger('graphics update', self) 
    55459 File
    55460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55461 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55462 trigger.activate(data) 
    55463 File
    55464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55465 packages/chimerax/core/triggerset.py", line 190, in activate 
    55466 ret = handler.invoke(data, self._remove_bad_handlers) 
    55467 File
    55468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55469 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55470 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55471 File
    55472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55473 packages/chimerax/core/session.py", line 943, in <lambda> 
    55474 logger.report_exception(preface=preface)) 
    55475 File
    55476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55477 packages/chimerax/core/logger.py", line 421, in report_exception 
    55478 elif probably_chimera1_session(exc_info): 
    55479 File
    55480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55481 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55482 etype, evalue, etraceback = exc_info 
    55483 TypeError: cannot unpack non-iterable NoneType object 
    55484  
    55485 TypeError: cannot unpack non-iterable NoneType object 
    55486  
    55487 File
    55488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55489 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55490 etype, evalue, etraceback = exc_info 
    55491  
    55492 See log for complete Python traceback. 
    55493  
    55494 Traceback (most recent call last): 
    55495 File
    55496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55497 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55498 return self._func(self._name, data) 
    55499 File
    55500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55501 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55502 if v.display: 
    55503 File
    55504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55505 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55506 return self._any_displayed_positions and len(self._positions) > 0 
    55507 TypeError: object of type 'NoneType' has no len() 
    55508  
    55509 During handling of the above exception, another exception occurred: 
    55510  
    55511 Traceback (most recent call last): 
    55512 File
    55513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55514 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55515 if not self.draw_new_frame(): 
    55516 File
    55517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55518 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55519 changed = view.check_for_drawing_change() 
    55520 File
    55521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55522 packages/chimerax/core/graphics/view.py", line 252, in
    55523 check_for_drawing_change 
    55524 trig.activate_trigger('graphics update', self) 
    55525 File
    55526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55527 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55528 trigger.activate(data) 
    55529 File
    55530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55531 packages/chimerax/core/triggerset.py", line 190, in activate 
    55532 ret = handler.invoke(data, self._remove_bad_handlers) 
    55533 File
    55534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55535 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55536 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55537 File
    55538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55539 packages/chimerax/core/session.py", line 943, in <lambda> 
    55540 logger.report_exception(preface=preface)) 
    55541 File
    55542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55543 packages/chimerax/core/logger.py", line 421, in report_exception 
    55544 elif probably_chimera1_session(exc_info): 
    55545 File
    55546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55547 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55548 etype, evalue, etraceback = exc_info 
    55549 TypeError: cannot unpack non-iterable NoneType object 
    55550  
    55551 TypeError: cannot unpack non-iterable NoneType object 
    55552  
    55553 File
    55554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55555 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55556 etype, evalue, etraceback = exc_info 
    55557  
    55558 See log for complete Python traceback. 
    55559  
    55560 Traceback (most recent call last): 
    55561 File
    55562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55563 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55564 return self._func(self._name, data) 
    55565 File
    55566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55567 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55568 if v.display: 
    55569 File
    55570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55571 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55572 return self._any_displayed_positions and len(self._positions) > 0 
    55573 TypeError: object of type 'NoneType' has no len() 
    55574  
    55575 During handling of the above exception, another exception occurred: 
    55576  
    55577 Traceback (most recent call last): 
    55578 File
    55579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55580 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55581 if not self.draw_new_frame(): 
    55582 File
    55583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55584 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55585 changed = view.check_for_drawing_change() 
    55586 File
    55587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55588 packages/chimerax/core/graphics/view.py", line 252, in
    55589 check_for_drawing_change 
    55590 trig.activate_trigger('graphics update', self) 
    55591 File
    55592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55593 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55594 trigger.activate(data) 
    55595 File
    55596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55597 packages/chimerax/core/triggerset.py", line 190, in activate 
    55598 ret = handler.invoke(data, self._remove_bad_handlers) 
    55599 File
    55600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55601 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55602 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55603 File
    55604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55605 packages/chimerax/core/session.py", line 943, in <lambda> 
    55606 logger.report_exception(preface=preface)) 
    55607 File
    55608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55609 packages/chimerax/core/logger.py", line 421, in report_exception 
    55610 elif probably_chimera1_session(exc_info): 
    55611 File
    55612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55613 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55614 etype, evalue, etraceback = exc_info 
    55615 TypeError: cannot unpack non-iterable NoneType object 
    55616  
    55617 TypeError: cannot unpack non-iterable NoneType object 
    55618  
    55619 File
    55620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55621 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55622 etype, evalue, etraceback = exc_info 
    55623  
    55624 See log for complete Python traceback. 
    55625  
    55626 Traceback (most recent call last): 
    55627 File
    55628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55629 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55630 return self._func(self._name, data) 
    55631 File
    55632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55633 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55634 if v.display: 
    55635 File
    55636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55637 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55638 return self._any_displayed_positions and len(self._positions) > 0 
    55639 TypeError: object of type 'NoneType' has no len() 
    55640  
    55641 During handling of the above exception, another exception occurred: 
    55642  
    55643 Traceback (most recent call last): 
    55644 File
    55645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55646 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55647 if not self.draw_new_frame(): 
    55648 File
    55649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55650 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55651 changed = view.check_for_drawing_change() 
    55652 File
    55653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55654 packages/chimerax/core/graphics/view.py", line 252, in
    55655 check_for_drawing_change 
    55656 trig.activate_trigger('graphics update', self) 
    55657 File
    55658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55659 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55660 trigger.activate(data) 
    55661 File
    55662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55663 packages/chimerax/core/triggerset.py", line 190, in activate 
    55664 ret = handler.invoke(data, self._remove_bad_handlers) 
    55665 File
    55666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55667 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55668 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55669 File
    55670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55671 packages/chimerax/core/session.py", line 943, in <lambda> 
    55672 logger.report_exception(preface=preface)) 
    55673 File
    55674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55675 packages/chimerax/core/logger.py", line 421, in report_exception 
    55676 elif probably_chimera1_session(exc_info): 
    55677 File
    55678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55679 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55680 etype, evalue, etraceback = exc_info 
    55681 TypeError: cannot unpack non-iterable NoneType object 
    55682  
    55683 TypeError: cannot unpack non-iterable NoneType object 
    55684  
    55685 File
    55686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55687 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55688 etype, evalue, etraceback = exc_info 
    55689  
    55690 See log for complete Python traceback. 
    55691  
    55692 Traceback (most recent call last): 
    55693 File
    55694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55695 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55696 return self._func(self._name, data) 
    55697 File
    55698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55699 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55700 if v.display: 
    55701 File
    55702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55703 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55704 return self._any_displayed_positions and len(self._positions) > 0 
    55705 TypeError: object of type 'NoneType' has no len() 
    55706  
    55707 During handling of the above exception, another exception occurred: 
    55708  
    55709 Traceback (most recent call last): 
    55710 File
    55711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55712 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55713 if not self.draw_new_frame(): 
    55714 File
    55715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55716 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55717 changed = view.check_for_drawing_change() 
    55718 File
    55719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55720 packages/chimerax/core/graphics/view.py", line 252, in
    55721 check_for_drawing_change 
    55722 trig.activate_trigger('graphics update', self) 
    55723 File
    55724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55725 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55726 trigger.activate(data) 
    55727 File
    55728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55729 packages/chimerax/core/triggerset.py", line 190, in activate 
    55730 ret = handler.invoke(data, self._remove_bad_handlers) 
    55731 File
    55732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55733 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55734 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55735 File
    55736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55737 packages/chimerax/core/session.py", line 943, in <lambda> 
    55738 logger.report_exception(preface=preface)) 
    55739 File
    55740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55741 packages/chimerax/core/logger.py", line 421, in report_exception 
    55742 elif probably_chimera1_session(exc_info): 
    55743 File
    55744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55745 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55746 etype, evalue, etraceback = exc_info 
    55747 TypeError: cannot unpack non-iterable NoneType object 
    55748  
    55749 TypeError: cannot unpack non-iterable NoneType object 
    55750  
    55751 File
    55752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55753 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55754 etype, evalue, etraceback = exc_info 
    55755  
    55756 See log for complete Python traceback. 
    55757  
    55758 Traceback (most recent call last): 
    55759 File
    55760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55761 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55762 return self._func(self._name, data) 
    55763 File
    55764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55765 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55766 if v.display: 
    55767 File
    55768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55769 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55770 return self._any_displayed_positions and len(self._positions) > 0 
    55771 TypeError: object of type 'NoneType' has no len() 
    55772  
    55773 During handling of the above exception, another exception occurred: 
    55774  
    55775 Traceback (most recent call last): 
    55776 File
    55777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55778 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55779 if not self.draw_new_frame(): 
    55780 File
    55781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55782 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55783 changed = view.check_for_drawing_change() 
    55784 File
    55785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55786 packages/chimerax/core/graphics/view.py", line 252, in
    55787 check_for_drawing_change 
    55788 trig.activate_trigger('graphics update', self) 
    55789 File
    55790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55791 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55792 trigger.activate(data) 
    55793 File
    55794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55795 packages/chimerax/core/triggerset.py", line 190, in activate 
    55796 ret = handler.invoke(data, self._remove_bad_handlers) 
    55797 File
    55798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55799 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55800 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55801 File
    55802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55803 packages/chimerax/core/session.py", line 943, in <lambda> 
    55804 logger.report_exception(preface=preface)) 
    55805 File
    55806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55807 packages/chimerax/core/logger.py", line 421, in report_exception 
    55808 elif probably_chimera1_session(exc_info): 
    55809 File
    55810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55811 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55812 etype, evalue, etraceback = exc_info 
    55813 TypeError: cannot unpack non-iterable NoneType object 
    55814  
    55815 TypeError: cannot unpack non-iterable NoneType object 
    55816  
    55817 File
    55818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55819 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55820 etype, evalue, etraceback = exc_info 
    55821  
    55822 See log for complete Python traceback. 
    55823  
    55824 Traceback (most recent call last): 
    55825 File
    55826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55827 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55828 return self._func(self._name, data) 
    55829 File
    55830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55831 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55832 if v.display: 
    55833 File
    55834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55835 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55836 return self._any_displayed_positions and len(self._positions) > 0 
    55837 TypeError: object of type 'NoneType' has no len() 
    55838  
    55839 During handling of the above exception, another exception occurred: 
    55840  
    55841 Traceback (most recent call last): 
    55842 File
    55843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55844 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55845 if not self.draw_new_frame(): 
    55846 File
    55847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55848 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55849 changed = view.check_for_drawing_change() 
    55850 File
    55851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55852 packages/chimerax/core/graphics/view.py", line 252, in
    55853 check_for_drawing_change 
    55854 trig.activate_trigger('graphics update', self) 
    55855 File
    55856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55857 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55858 trigger.activate(data) 
    55859 File
    55860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55861 packages/chimerax/core/triggerset.py", line 190, in activate 
    55862 ret = handler.invoke(data, self._remove_bad_handlers) 
    55863 File
    55864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55865 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55866 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55867 File
    55868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55869 packages/chimerax/core/session.py", line 943, in <lambda> 
    55870 logger.report_exception(preface=preface)) 
    55871 File
    55872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55873 packages/chimerax/core/logger.py", line 421, in report_exception 
    55874 elif probably_chimera1_session(exc_info): 
    55875 File
    55876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55877 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55878 etype, evalue, etraceback = exc_info 
    55879 TypeError: cannot unpack non-iterable NoneType object 
    55880  
    55881 TypeError: cannot unpack non-iterable NoneType object 
    55882  
    55883 File
    55884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55885 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55886 etype, evalue, etraceback = exc_info 
    55887  
    55888 See log for complete Python traceback. 
    55889  
    55890 Traceback (most recent call last): 
    55891 File
    55892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55893 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55894 return self._func(self._name, data) 
    55895 File
    55896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55897 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55898 if v.display: 
    55899 File
    55900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55901 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55902 return self._any_displayed_positions and len(self._positions) > 0 
    55903 TypeError: object of type 'NoneType' has no len() 
    55904  
    55905 During handling of the above exception, another exception occurred: 
    55906  
    55907 Traceback (most recent call last): 
    55908 File
    55909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55910 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55911 if not self.draw_new_frame(): 
    55912 File
    55913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55914 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55915 changed = view.check_for_drawing_change() 
    55916 File
    55917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55918 packages/chimerax/core/graphics/view.py", line 252, in
    55919 check_for_drawing_change 
    55920 trig.activate_trigger('graphics update', self) 
    55921 File
    55922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55923 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55924 trigger.activate(data) 
    55925 File
    55926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55927 packages/chimerax/core/triggerset.py", line 190, in activate 
    55928 ret = handler.invoke(data, self._remove_bad_handlers) 
    55929 File
    55930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55931 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55932 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55933 File
    55934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55935 packages/chimerax/core/session.py", line 943, in <lambda> 
    55936 logger.report_exception(preface=preface)) 
    55937 File
    55938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55939 packages/chimerax/core/logger.py", line 421, in report_exception 
    55940 elif probably_chimera1_session(exc_info): 
    55941 File
    55942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55943 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55944 etype, evalue, etraceback = exc_info 
    55945 TypeError: cannot unpack non-iterable NoneType object 
    55946  
    55947 TypeError: cannot unpack non-iterable NoneType object 
    55948  
    55949 File
    55950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55951 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55952 etype, evalue, etraceback = exc_info 
    55953  
    55954 See log for complete Python traceback. 
    55955  
    55956 Traceback (most recent call last): 
    55957 File
    55958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55959 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55960 return self._func(self._name, data) 
    55961 File
    55962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55963 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55964 if v.display: 
    55965 File
    55966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55967 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55968 return self._any_displayed_positions and len(self._positions) > 0 
    55969 TypeError: object of type 'NoneType' has no len() 
    55970  
    55971 During handling of the above exception, another exception occurred: 
    55972  
    55973 Traceback (most recent call last): 
    55974 File
    55975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55976 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55977 if not self.draw_new_frame(): 
    55978 File
    55979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55980 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55981 changed = view.check_for_drawing_change() 
    55982 File
    55983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55984 packages/chimerax/core/graphics/view.py", line 252, in
    55985 check_for_drawing_change 
    55986 trig.activate_trigger('graphics update', self) 
    55987 File
    55988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55989 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55990 trigger.activate(data) 
    55991 File
    55992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55993 packages/chimerax/core/triggerset.py", line 190, in activate 
    55994 ret = handler.invoke(data, self._remove_bad_handlers) 
    55995 File
    55996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55997 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55998 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55999 File
    56000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56001 packages/chimerax/core/session.py", line 943, in <lambda> 
    56002 logger.report_exception(preface=preface)) 
    56003 File
    56004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56005 packages/chimerax/core/logger.py", line 421, in report_exception 
    56006 elif probably_chimera1_session(exc_info): 
    56007 File
    56008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56009 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56010 etype, evalue, etraceback = exc_info 
    56011 TypeError: cannot unpack non-iterable NoneType object 
    56012  
    56013 TypeError: cannot unpack non-iterable NoneType object 
    56014  
    56015 File
    56016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56017 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56018 etype, evalue, etraceback = exc_info 
    56019  
    56020 See log for complete Python traceback. 
    56021  
    56022 Traceback (most recent call last): 
    56023 File
    56024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56025 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56026 return self._func(self._name, data) 
    56027 File
    56028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56029 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56030 if v.display: 
    56031 File
    56032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56033 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56034 return self._any_displayed_positions and len(self._positions) > 0 
    56035 TypeError: object of type 'NoneType' has no len() 
    56036  
    56037 During handling of the above exception, another exception occurred: 
    56038  
    56039 Traceback (most recent call last): 
    56040 File
    56041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56042 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56043 if not self.draw_new_frame(): 
    56044 File
    56045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56046 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56047 changed = view.check_for_drawing_change() 
    56048 File
    56049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56050 packages/chimerax/core/graphics/view.py", line 252, in
    56051 check_for_drawing_change 
    56052 trig.activate_trigger('graphics update', self) 
    56053 File
    56054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56055 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56056 trigger.activate(data) 
    56057 File
    56058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56059 packages/chimerax/core/triggerset.py", line 190, in activate 
    56060 ret = handler.invoke(data, self._remove_bad_handlers) 
    56061 File
    56062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56063 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56064 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56065 File
    56066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56067 packages/chimerax/core/session.py", line 943, in <lambda> 
    56068 logger.report_exception(preface=preface)) 
    56069 File
    56070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56071 packages/chimerax/core/logger.py", line 421, in report_exception 
    56072 elif probably_chimera1_session(exc_info): 
    56073 File
    56074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56075 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56076 etype, evalue, etraceback = exc_info 
    56077 TypeError: cannot unpack non-iterable NoneType object 
    56078  
    56079 TypeError: cannot unpack non-iterable NoneType object 
    56080  
    56081 File
    56082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56083 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56084 etype, evalue, etraceback = exc_info 
    56085  
    56086 See log for complete Python traceback. 
    56087  
    56088 Traceback (most recent call last): 
    56089 File
    56090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56091 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56092 return self._func(self._name, data) 
    56093 File
    56094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56095 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56096 if v.display: 
    56097 File
    56098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56099 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56100 return self._any_displayed_positions and len(self._positions) > 0 
    56101 TypeError: object of type 'NoneType' has no len() 
    56102  
    56103 During handling of the above exception, another exception occurred: 
    56104  
    56105 Traceback (most recent call last): 
    56106 File
    56107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56108 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56109 if not self.draw_new_frame(): 
    56110 File
    56111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56112 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56113 changed = view.check_for_drawing_change() 
    56114 File
    56115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56116 packages/chimerax/core/graphics/view.py", line 252, in
    56117 check_for_drawing_change 
    56118 trig.activate_trigger('graphics update', self) 
    56119 File
    56120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56121 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56122 trigger.activate(data) 
    56123 File
    56124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56125 packages/chimerax/core/triggerset.py", line 190, in activate 
    56126 ret = handler.invoke(data, self._remove_bad_handlers) 
    56127 File
    56128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56129 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56130 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56131 File
    56132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56133 packages/chimerax/core/session.py", line 943, in <lambda> 
    56134 logger.report_exception(preface=preface)) 
    56135 File
    56136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56137 packages/chimerax/core/logger.py", line 421, in report_exception 
    56138 elif probably_chimera1_session(exc_info): 
    56139 File
    56140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56141 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56142 etype, evalue, etraceback = exc_info 
    56143 TypeError: cannot unpack non-iterable NoneType object 
    56144  
    56145 TypeError: cannot unpack non-iterable NoneType object 
    56146  
    56147 File
    56148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56149 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56150 etype, evalue, etraceback = exc_info 
    56151  
    56152 See log for complete Python traceback. 
    56153  
    56154 Traceback (most recent call last): 
    56155 File
    56156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56157 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56158 return self._func(self._name, data) 
    56159 File
    56160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56161 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56162 if v.display: 
    56163 File
    56164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56165 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56166 return self._any_displayed_positions and len(self._positions) > 0 
    56167 TypeError: object of type 'NoneType' has no len() 
    56168  
    56169 During handling of the above exception, another exception occurred: 
    56170  
    56171 Traceback (most recent call last): 
    56172 File
    56173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56174 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56175 if not self.draw_new_frame(): 
    56176 File
    56177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56178 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56179 changed = view.check_for_drawing_change() 
    56180 File
    56181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56182 packages/chimerax/core/graphics/view.py", line 252, in
    56183 check_for_drawing_change 
    56184 trig.activate_trigger('graphics update', self) 
    56185 File
    56186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56187 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56188 trigger.activate(data) 
    56189 File
    56190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56191 packages/chimerax/core/triggerset.py", line 190, in activate 
    56192 ret = handler.invoke(data, self._remove_bad_handlers) 
    56193 File
    56194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56195 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56196 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56197 File
    56198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56199 packages/chimerax/core/session.py", line 943, in <lambda> 
    56200 logger.report_exception(preface=preface)) 
    56201 File
    56202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56203 packages/chimerax/core/logger.py", line 421, in report_exception 
    56204 elif probably_chimera1_session(exc_info): 
    56205 File
    56206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56207 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56208 etype, evalue, etraceback = exc_info 
    56209 TypeError: cannot unpack non-iterable NoneType object 
    56210  
    56211 TypeError: cannot unpack non-iterable NoneType object 
    56212  
    56213 File
    56214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56215 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56216 etype, evalue, etraceback = exc_info 
    56217  
    56218 See log for complete Python traceback. 
    56219  
    56220 Traceback (most recent call last): 
    56221 File
    56222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56223 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56224 return self._func(self._name, data) 
    56225 File
    56226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56227 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56228 if v.display: 
    56229 File
    56230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56231 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56232 return self._any_displayed_positions and len(self._positions) > 0 
    56233 TypeError: object of type 'NoneType' has no len() 
    56234  
    56235 During handling of the above exception, another exception occurred: 
    56236  
    56237 Traceback (most recent call last): 
    56238 File
    56239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56240 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56241 if not self.draw_new_frame(): 
    56242 File
    56243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56244 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56245 changed = view.check_for_drawing_change() 
    56246 File
    56247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56248 packages/chimerax/core/graphics/view.py", line 252, in
    56249 check_for_drawing_change 
    56250 trig.activate_trigger('graphics update', self) 
    56251 File
    56252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56253 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56254 trigger.activate(data) 
    56255 File
    56256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56257 packages/chimerax/core/triggerset.py", line 190, in activate 
    56258 ret = handler.invoke(data, self._remove_bad_handlers) 
    56259 File
    56260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56261 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56262 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56263 File
    56264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56265 packages/chimerax/core/session.py", line 943, in <lambda> 
    56266 logger.report_exception(preface=preface)) 
    56267 File
    56268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56269 packages/chimerax/core/logger.py", line 421, in report_exception 
    56270 elif probably_chimera1_session(exc_info): 
    56271 File
    56272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56273 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56274 etype, evalue, etraceback = exc_info 
    56275 TypeError: cannot unpack non-iterable NoneType object 
    56276  
    56277 TypeError: cannot unpack non-iterable NoneType object 
    56278  
    56279 File
    56280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56281 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56282 etype, evalue, etraceback = exc_info 
    56283  
    56284 See log for complete Python traceback. 
    56285  
    56286 Traceback (most recent call last): 
    56287 File
    56288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56289 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56290 return self._func(self._name, data) 
    56291 File
    56292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56293 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56294 if v.display: 
    56295 File
    56296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56297 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56298 return self._any_displayed_positions and len(self._positions) > 0 
    56299 TypeError: object of type 'NoneType' has no len() 
    56300  
    56301 During handling of the above exception, another exception occurred: 
    56302  
    56303 Traceback (most recent call last): 
    56304 File
    56305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56306 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56307 if not self.draw_new_frame(): 
    56308 File
    56309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56310 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56311 changed = view.check_for_drawing_change() 
    56312 File
    56313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56314 packages/chimerax/core/graphics/view.py", line 252, in
    56315 check_for_drawing_change 
    56316 trig.activate_trigger('graphics update', self) 
    56317 File
    56318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56319 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56320 trigger.activate(data) 
    56321 File
    56322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56323 packages/chimerax/core/triggerset.py", line 190, in activate 
    56324 ret = handler.invoke(data, self._remove_bad_handlers) 
    56325 File
    56326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56327 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56328 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56329 File
    56330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56331 packages/chimerax/core/session.py", line 943, in <lambda> 
    56332 logger.report_exception(preface=preface)) 
    56333 File
    56334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56335 packages/chimerax/core/logger.py", line 421, in report_exception 
    56336 elif probably_chimera1_session(exc_info): 
    56337 File
    56338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56339 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56340 etype, evalue, etraceback = exc_info 
    56341 TypeError: cannot unpack non-iterable NoneType object 
    56342  
    56343 TypeError: cannot unpack non-iterable NoneType object 
    56344  
    56345 File
    56346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56347 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56348 etype, evalue, etraceback = exc_info 
    56349  
    56350 See log for complete Python traceback. 
    56351  
    56352 Traceback (most recent call last): 
    56353 File
    56354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56355 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56356 return self._func(self._name, data) 
    56357 File
    56358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56359 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56360 if v.display: 
    56361 File
    56362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56363 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56364 return self._any_displayed_positions and len(self._positions) > 0 
    56365 TypeError: object of type 'NoneType' has no len() 
    56366  
    56367 During handling of the above exception, another exception occurred: 
    56368  
    56369 Traceback (most recent call last): 
    56370 File
    56371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56372 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56373 if not self.draw_new_frame(): 
    56374 File
    56375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56376 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56377 changed = view.check_for_drawing_change() 
    56378 File
    56379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56380 packages/chimerax/core/graphics/view.py", line 252, in
    56381 check_for_drawing_change 
    56382 trig.activate_trigger('graphics update', self) 
    56383 File
    56384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56385 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56386 trigger.activate(data) 
    56387 File
    56388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56389 packages/chimerax/core/triggerset.py", line 190, in activate 
    56390 ret = handler.invoke(data, self._remove_bad_handlers) 
    56391 File
    56392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56393 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56394 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56395 File
    56396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56397 packages/chimerax/core/session.py", line 943, in <lambda> 
    56398 logger.report_exception(preface=preface)) 
    56399 File
    56400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56401 packages/chimerax/core/logger.py", line 421, in report_exception 
    56402 elif probably_chimera1_session(exc_info): 
    56403 File
    56404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56405 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56406 etype, evalue, etraceback = exc_info 
    56407 TypeError: cannot unpack non-iterable NoneType object 
    56408  
    56409 TypeError: cannot unpack non-iterable NoneType object 
    56410  
    56411 File
    56412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56413 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56414 etype, evalue, etraceback = exc_info 
    56415  
    56416 See log for complete Python traceback. 
    56417  
    56418 Traceback (most recent call last): 
    56419 File
    56420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56421 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56422 return self._func(self._name, data) 
    56423 File
    56424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56425 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56426 if v.display: 
    56427 File
    56428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56429 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56430 return self._any_displayed_positions and len(self._positions) > 0 
    56431 TypeError: object of type 'NoneType' has no len() 
    56432  
    56433 During handling of the above exception, another exception occurred: 
    56434  
    56435 Traceback (most recent call last): 
    56436 File
    56437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56438 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56439 if not self.draw_new_frame(): 
    56440 File
    56441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56442 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56443 changed = view.check_for_drawing_change() 
    56444 File
    56445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56446 packages/chimerax/core/graphics/view.py", line 252, in
    56447 check_for_drawing_change 
    56448 trig.activate_trigger('graphics update', self) 
    56449 File
    56450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56451 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56452 trigger.activate(data) 
    56453 File
    56454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56455 packages/chimerax/core/triggerset.py", line 190, in activate 
    56456 ret = handler.invoke(data, self._remove_bad_handlers) 
    56457 File
    56458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56459 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56460 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56461 File
    56462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56463 packages/chimerax/core/session.py", line 943, in <lambda> 
    56464 logger.report_exception(preface=preface)) 
    56465 File
    56466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56467 packages/chimerax/core/logger.py", line 421, in report_exception 
    56468 elif probably_chimera1_session(exc_info): 
    56469 File
    56470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56471 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56472 etype, evalue, etraceback = exc_info 
    56473 TypeError: cannot unpack non-iterable NoneType object 
    56474  
    56475 TypeError: cannot unpack non-iterable NoneType object 
    56476  
    56477 File
    56478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56479 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56480 etype, evalue, etraceback = exc_info 
    56481  
    56482 See log for complete Python traceback. 
    56483  
    56484 Traceback (most recent call last): 
    56485 File
    56486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56487 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56488 return self._func(self._name, data) 
    56489 File
    56490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56491 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56492 if v.display: 
    56493 File
    56494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56495 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56496 return self._any_displayed_positions and len(self._positions) > 0 
    56497 TypeError: object of type 'NoneType' has no len() 
    56498  
    56499 During handling of the above exception, another exception occurred: 
    56500  
    56501 Traceback (most recent call last): 
    56502 File
    56503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56504 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56505 if not self.draw_new_frame(): 
    56506 File
    56507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56508 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56509 changed = view.check_for_drawing_change() 
    56510 File
    56511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56512 packages/chimerax/core/graphics/view.py", line 252, in
    56513 check_for_drawing_change 
    56514 trig.activate_trigger('graphics update', self) 
    56515 File
    56516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56517 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56518 trigger.activate(data) 
    56519 File
    56520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56521 packages/chimerax/core/triggerset.py", line 190, in activate 
    56522 ret = handler.invoke(data, self._remove_bad_handlers) 
    56523 File
    56524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56525 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56526 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56527 File
    56528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56529 packages/chimerax/core/session.py", line 943, in <lambda> 
    56530 logger.report_exception(preface=preface)) 
    56531 File
    56532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56533 packages/chimerax/core/logger.py", line 421, in report_exception 
    56534 elif probably_chimera1_session(exc_info): 
    56535 File
    56536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56537 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56538 etype, evalue, etraceback = exc_info 
    56539 TypeError: cannot unpack non-iterable NoneType object 
    56540  
    56541 TypeError: cannot unpack non-iterable NoneType object 
    56542  
    56543 File
    56544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56545 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56546 etype, evalue, etraceback = exc_info 
    56547  
    56548 See log for complete Python traceback. 
    56549  
    56550 Traceback (most recent call last): 
    56551 File
    56552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56553 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56554 return self._func(self._name, data) 
    56555 File
    56556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56557 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56558 if v.display: 
    56559 File
    56560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56561 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56562 return self._any_displayed_positions and len(self._positions) > 0 
    56563 TypeError: object of type 'NoneType' has no len() 
    56564  
    56565 During handling of the above exception, another exception occurred: 
    56566  
    56567 Traceback (most recent call last): 
    56568 File
    56569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56570 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56571 if not self.draw_new_frame(): 
    56572 File
    56573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56574 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56575 changed = view.check_for_drawing_change() 
    56576 File
    56577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56578 packages/chimerax/core/graphics/view.py", line 252, in
    56579 check_for_drawing_change 
    56580 trig.activate_trigger('graphics update', self) 
    56581 File
    56582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56583 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56584 trigger.activate(data) 
    56585 File
    56586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56587 packages/chimerax/core/triggerset.py", line 190, in activate 
    56588 ret = handler.invoke(data, self._remove_bad_handlers) 
    56589 File
    56590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56591 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56592 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56593 File
    56594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56595 packages/chimerax/core/session.py", line 943, in <lambda> 
    56596 logger.report_exception(preface=preface)) 
    56597 File
    56598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56599 packages/chimerax/core/logger.py", line 421, in report_exception 
    56600 elif probably_chimera1_session(exc_info): 
    56601 File
    56602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56603 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56604 etype, evalue, etraceback = exc_info 
    56605 TypeError: cannot unpack non-iterable NoneType object 
    56606  
    56607 TypeError: cannot unpack non-iterable NoneType object 
    56608  
    56609 File
    56610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56611 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56612 etype, evalue, etraceback = exc_info 
    56613  
    56614 See log for complete Python traceback. 
    56615  
    56616 Traceback (most recent call last): 
    56617 File
    56618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56619 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56620 return self._func(self._name, data) 
    56621 File
    56622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56623 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56624 if v.display: 
    56625 File
    56626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56627 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56628 return self._any_displayed_positions and len(self._positions) > 0 
    56629 TypeError: object of type 'NoneType' has no len() 
    56630  
    56631 During handling of the above exception, another exception occurred: 
    56632  
    56633 Traceback (most recent call last): 
    56634 File
    56635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56636 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56637 if not self.draw_new_frame(): 
    56638 File
    56639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56640 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56641 changed = view.check_for_drawing_change() 
    56642 File
    56643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56644 packages/chimerax/core/graphics/view.py", line 252, in
    56645 check_for_drawing_change 
    56646 trig.activate_trigger('graphics update', self) 
    56647 File
    56648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56649 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56650 trigger.activate(data) 
    56651 File
    56652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56653 packages/chimerax/core/triggerset.py", line 190, in activate 
    56654 ret = handler.invoke(data, self._remove_bad_handlers) 
    56655 File
    56656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56657 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56658 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56659 File
    56660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56661 packages/chimerax/core/session.py", line 943, in <lambda> 
    56662 logger.report_exception(preface=preface)) 
    56663 File
    56664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56665 packages/chimerax/core/logger.py", line 421, in report_exception 
    56666 elif probably_chimera1_session(exc_info): 
    56667 File
    56668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56669 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56670 etype, evalue, etraceback = exc_info 
    56671 TypeError: cannot unpack non-iterable NoneType object 
    56672  
    56673 TypeError: cannot unpack non-iterable NoneType object 
    56674  
    56675 File
    56676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56677 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56678 etype, evalue, etraceback = exc_info 
    56679  
    56680 See log for complete Python traceback. 
    56681  
    56682 Traceback (most recent call last): 
    56683 File
    56684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56685 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56686 return self._func(self._name, data) 
    56687 File
    56688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56689 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56690 if v.display: 
    56691 File
    56692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56693 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56694 return self._any_displayed_positions and len(self._positions) > 0 
    56695 TypeError: object of type 'NoneType' has no len() 
    56696  
    56697 During handling of the above exception, another exception occurred: 
    56698  
    56699 Traceback (most recent call last): 
    56700 File
    56701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56702 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56703 if not self.draw_new_frame(): 
    56704 File
    56705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56706 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56707 changed = view.check_for_drawing_change() 
    56708 File
    56709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56710 packages/chimerax/core/graphics/view.py", line 252, in
    56711 check_for_drawing_change 
    56712 trig.activate_trigger('graphics update', self) 
    56713 File
    56714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56715 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56716 trigger.activate(data) 
    56717 File
    56718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56719 packages/chimerax/core/triggerset.py", line 190, in activate 
    56720 ret = handler.invoke(data, self._remove_bad_handlers) 
    56721 File
    56722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56723 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56724 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56725 File
    56726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56727 packages/chimerax/core/session.py", line 943, in <lambda> 
    56728 logger.report_exception(preface=preface)) 
    56729 File
    56730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56731 packages/chimerax/core/logger.py", line 421, in report_exception 
    56732 elif probably_chimera1_session(exc_info): 
    56733 File
    56734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56735 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56736 etype, evalue, etraceback = exc_info 
    56737 TypeError: cannot unpack non-iterable NoneType object 
    56738  
    56739 TypeError: cannot unpack non-iterable NoneType object 
    56740  
    56741 File
    56742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56743 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56744 etype, evalue, etraceback = exc_info 
    56745  
    56746 See log for complete Python traceback. 
    56747  
    56748 Traceback (most recent call last): 
    56749 File
    56750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56751 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56752 return self._func(self._name, data) 
    56753 File
    56754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56755 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56756 if v.display: 
    56757 File
    56758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56759 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56760 return self._any_displayed_positions and len(self._positions) > 0 
    56761 TypeError: object of type 'NoneType' has no len() 
    56762  
    56763 During handling of the above exception, another exception occurred: 
    56764  
    56765 Traceback (most recent call last): 
    56766 File
    56767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56768 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56769 if not self.draw_new_frame(): 
    56770 File
    56771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56772 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56773 changed = view.check_for_drawing_change() 
    56774 File
    56775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56776 packages/chimerax/core/graphics/view.py", line 252, in
    56777 check_for_drawing_change 
    56778 trig.activate_trigger('graphics update', self) 
    56779 File
    56780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56781 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56782 trigger.activate(data) 
    56783 File
    56784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56785 packages/chimerax/core/triggerset.py", line 190, in activate 
    56786 ret = handler.invoke(data, self._remove_bad_handlers) 
    56787 File
    56788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56789 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56790 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56791 File
    56792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56793 packages/chimerax/core/session.py", line 943, in <lambda> 
    56794 logger.report_exception(preface=preface)) 
    56795 File
    56796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56797 packages/chimerax/core/logger.py", line 421, in report_exception 
    56798 elif probably_chimera1_session(exc_info): 
    56799 File
    56800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56801 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56802 etype, evalue, etraceback = exc_info 
    56803 TypeError: cannot unpack non-iterable NoneType object 
    56804  
    56805 TypeError: cannot unpack non-iterable NoneType object 
    56806  
    56807 File
    56808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56809 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56810 etype, evalue, etraceback = exc_info 
    56811  
    56812 See log for complete Python traceback. 
    56813  
    56814 Traceback (most recent call last): 
    56815 File
    56816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56817 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56818 return self._func(self._name, data) 
    56819 File
    56820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56821 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56822 if v.display: 
    56823 File
    56824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56825 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56826 return self._any_displayed_positions and len(self._positions) > 0 
    56827 TypeError: object of type 'NoneType' has no len() 
    56828  
    56829 During handling of the above exception, another exception occurred: 
    56830  
    56831 Traceback (most recent call last): 
    56832 File
    56833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56834 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56835 if not self.draw_new_frame(): 
    56836 File
    56837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56838 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56839 changed = view.check_for_drawing_change() 
    56840 File
    56841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56842 packages/chimerax/core/graphics/view.py", line 252, in
    56843 check_for_drawing_change 
    56844 trig.activate_trigger('graphics update', self) 
    56845 File
    56846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56847 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56848 trigger.activate(data) 
    56849 File
    56850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56851 packages/chimerax/core/triggerset.py", line 190, in activate 
    56852 ret = handler.invoke(data, self._remove_bad_handlers) 
    56853 File
    56854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56855 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56856 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56857 File
    56858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56859 packages/chimerax/core/session.py", line 943, in <lambda> 
    56860 logger.report_exception(preface=preface)) 
    56861 File
    56862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56863 packages/chimerax/core/logger.py", line 421, in report_exception 
    56864 elif probably_chimera1_session(exc_info): 
    56865 File
    56866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56867 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56868 etype, evalue, etraceback = exc_info 
    56869 TypeError: cannot unpack non-iterable NoneType object 
    56870  
    56871 TypeError: cannot unpack non-iterable NoneType object 
    56872  
    56873 File
    56874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56875 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56876 etype, evalue, etraceback = exc_info 
    56877  
    56878 See log for complete Python traceback. 
    56879  
    56880 Traceback (most recent call last): 
    56881 File
    56882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56883 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56884 return self._func(self._name, data) 
    56885 File
    56886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56887 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56888 if v.display: 
    56889 File
    56890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56891 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56892 return self._any_displayed_positions and len(self._positions) > 0 
    56893 TypeError: object of type 'NoneType' has no len() 
    56894  
    56895 During handling of the above exception, another exception occurred: 
    56896  
    56897 Traceback (most recent call last): 
    56898 File
    56899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56900 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56901 if not self.draw_new_frame(): 
    56902 File
    56903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56904 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56905 changed = view.check_for_drawing_change() 
    56906 File
    56907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56908 packages/chimerax/core/graphics/view.py", line 252, in
    56909 check_for_drawing_change 
    56910 trig.activate_trigger('graphics update', self) 
    56911 File
    56912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56913 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56914 trigger.activate(data) 
    56915 File
    56916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56917 packages/chimerax/core/triggerset.py", line 190, in activate 
    56918 ret = handler.invoke(data, self._remove_bad_handlers) 
    56919 File
    56920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56921 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56922 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56923 File
    56924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56925 packages/chimerax/core/session.py", line 943, in <lambda> 
    56926 logger.report_exception(preface=preface)) 
    56927 File
    56928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56929 packages/chimerax/core/logger.py", line 421, in report_exception 
    56930 elif probably_chimera1_session(exc_info): 
    56931 File
    56932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56933 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56934 etype, evalue, etraceback = exc_info 
    56935 TypeError: cannot unpack non-iterable NoneType object 
    56936  
    56937 TypeError: cannot unpack non-iterable NoneType object 
    56938  
    56939 File
    56940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56941 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56942 etype, evalue, etraceback = exc_info 
    56943  
    56944 See log for complete Python traceback. 
    56945  
    56946 Traceback (most recent call last): 
    56947 File
    56948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56949 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56950 return self._func(self._name, data) 
    56951 File
    56952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56953 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56954 if v.display: 
    56955 File
    56956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56957 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56958 return self._any_displayed_positions and len(self._positions) > 0 
    56959 TypeError: object of type 'NoneType' has no len() 
    56960  
    56961 During handling of the above exception, another exception occurred: 
    56962  
    56963 Traceback (most recent call last): 
    56964 File
    56965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56966 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56967 if not self.draw_new_frame(): 
    56968 File
    56969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56970 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56971 changed = view.check_for_drawing_change() 
    56972 File
    56973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56974 packages/chimerax/core/graphics/view.py", line 252, in
    56975 check_for_drawing_change 
    56976 trig.activate_trigger('graphics update', self) 
    56977 File
    56978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56979 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56980 trigger.activate(data) 
    56981 File
    56982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56983 packages/chimerax/core/triggerset.py", line 190, in activate 
    56984 ret = handler.invoke(data, self._remove_bad_handlers) 
    56985 File
    56986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56987 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56988 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56989 File
    56990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56991 packages/chimerax/core/session.py", line 943, in <lambda> 
    56992 logger.report_exception(preface=preface)) 
    56993 File
    56994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56995 packages/chimerax/core/logger.py", line 421, in report_exception 
    56996 elif probably_chimera1_session(exc_info): 
    56997 File
    56998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56999 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57000 etype, evalue, etraceback = exc_info 
    57001 TypeError: cannot unpack non-iterable NoneType object 
    57002  
    57003 TypeError: cannot unpack non-iterable NoneType object 
    57004  
    57005 File
    57006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57007 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57008 etype, evalue, etraceback = exc_info 
    57009  
    57010 See log for complete Python traceback. 
    57011  
    57012 Traceback (most recent call last): 
    57013 File
    57014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57015 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57016 return self._func(self._name, data) 
    57017 File
    57018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57019 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57020 if v.display: 
    57021 File
    57022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57023 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57024 return self._any_displayed_positions and len(self._positions) > 0 
    57025 TypeError: object of type 'NoneType' has no len() 
    57026  
    57027 During handling of the above exception, another exception occurred: 
    57028  
    57029 Traceback (most recent call last): 
    57030 File
    57031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57032 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57033 if not self.draw_new_frame(): 
    57034 File
    57035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57036 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57037 changed = view.check_for_drawing_change() 
    57038 File
    57039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57040 packages/chimerax/core/graphics/view.py", line 252, in
    57041 check_for_drawing_change 
    57042 trig.activate_trigger('graphics update', self) 
    57043 File
    57044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57045 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57046 trigger.activate(data) 
    57047 File
    57048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57049 packages/chimerax/core/triggerset.py", line 190, in activate 
    57050 ret = handler.invoke(data, self._remove_bad_handlers) 
    57051 File
    57052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57053 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57054 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57055 File
    57056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57057 packages/chimerax/core/session.py", line 943, in <lambda> 
    57058 logger.report_exception(preface=preface)) 
    57059 File
    57060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57061 packages/chimerax/core/logger.py", line 421, in report_exception 
    57062 elif probably_chimera1_session(exc_info): 
    57063 File
    57064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57065 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57066 etype, evalue, etraceback = exc_info 
    57067 TypeError: cannot unpack non-iterable NoneType object 
    57068  
    57069 TypeError: cannot unpack non-iterable NoneType object 
    57070  
    57071 File
    57072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57073 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57074 etype, evalue, etraceback = exc_info 
    57075  
    57076 See log for complete Python traceback. 
    57077  
    57078 Traceback (most recent call last): 
    57079 File
    57080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57081 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57082 return self._func(self._name, data) 
    57083 File
    57084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57085 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57086 if v.display: 
    57087 File
    57088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57089 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57090 return self._any_displayed_positions and len(self._positions) > 0 
    57091 TypeError: object of type 'NoneType' has no len() 
    57092  
    57093 During handling of the above exception, another exception occurred: 
    57094  
    57095 Traceback (most recent call last): 
    57096 File
    57097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57098 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57099 if not self.draw_new_frame(): 
    57100 File
    57101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57102 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57103 changed = view.check_for_drawing_change() 
    57104 File
    57105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57106 packages/chimerax/core/graphics/view.py", line 252, in
    57107 check_for_drawing_change 
    57108 trig.activate_trigger('graphics update', self) 
    57109 File
    57110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57111 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57112 trigger.activate(data) 
    57113 File
    57114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57115 packages/chimerax/core/triggerset.py", line 190, in activate 
    57116 ret = handler.invoke(data, self._remove_bad_handlers) 
    57117 File
    57118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57119 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57120 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57121 File
    57122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57123 packages/chimerax/core/session.py", line 943, in <lambda> 
    57124 logger.report_exception(preface=preface)) 
    57125 File
    57126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57127 packages/chimerax/core/logger.py", line 421, in report_exception 
    57128 elif probably_chimera1_session(exc_info): 
    57129 File
    57130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57131 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57132 etype, evalue, etraceback = exc_info 
    57133 TypeError: cannot unpack non-iterable NoneType object 
    57134  
    57135 TypeError: cannot unpack non-iterable NoneType object 
    57136  
    57137 File
    57138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57139 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57140 etype, evalue, etraceback = exc_info 
    57141  
    57142 See log for complete Python traceback. 
    57143  
    57144 Traceback (most recent call last): 
    57145 File
    57146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57147 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57148 return self._func(self._name, data) 
    57149 File
    57150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57151 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57152 if v.display: 
    57153 File
    57154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57155 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57156 return self._any_displayed_positions and len(self._positions) > 0 
    57157 TypeError: object of type 'NoneType' has no len() 
    57158  
    57159 During handling of the above exception, another exception occurred: 
    57160  
    57161 Traceback (most recent call last): 
    57162 File
    57163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57164 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57165 if not self.draw_new_frame(): 
    57166 File
    57167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57168 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57169 changed = view.check_for_drawing_change() 
    57170 File
    57171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57172 packages/chimerax/core/graphics/view.py", line 252, in
    57173 check_for_drawing_change 
    57174 trig.activate_trigger('graphics update', self) 
    57175 File
    57176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57177 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57178 trigger.activate(data) 
    57179 File
    57180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57181 packages/chimerax/core/triggerset.py", line 190, in activate 
    57182 ret = handler.invoke(data, self._remove_bad_handlers) 
    57183 File
    57184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57185 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57186 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57187 File
    57188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57189 packages/chimerax/core/session.py", line 943, in <lambda> 
    57190 logger.report_exception(preface=preface)) 
    57191 File
    57192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57193 packages/chimerax/core/logger.py", line 421, in report_exception 
    57194 elif probably_chimera1_session(exc_info): 
    57195 File
    57196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57197 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57198 etype, evalue, etraceback = exc_info 
    57199 TypeError: cannot unpack non-iterable NoneType object 
    57200  
    57201 TypeError: cannot unpack non-iterable NoneType object 
    57202  
    57203 File
    57204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57205 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57206 etype, evalue, etraceback = exc_info 
    57207  
    57208 See log for complete Python traceback. 
    57209  
    57210 Traceback (most recent call last): 
    57211 File
    57212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57213 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57214 return self._func(self._name, data) 
    57215 File
    57216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57217 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57218 if v.display: 
    57219 File
    57220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57221 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57222 return self._any_displayed_positions and len(self._positions) > 0 
    57223 TypeError: object of type 'NoneType' has no len() 
    57224  
    57225 During handling of the above exception, another exception occurred: 
    57226  
    57227 Traceback (most recent call last): 
    57228 File
    57229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57230 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57231 if not self.draw_new_frame(): 
    57232 File
    57233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57234 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57235 changed = view.check_for_drawing_change() 
    57236 File
    57237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57238 packages/chimerax/core/graphics/view.py", line 252, in
    57239 check_for_drawing_change 
    57240 trig.activate_trigger('graphics update', self) 
    57241 File
    57242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57243 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57244 trigger.activate(data) 
    57245 File
    57246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57247 packages/chimerax/core/triggerset.py", line 190, in activate 
    57248 ret = handler.invoke(data, self._remove_bad_handlers) 
    57249 File
    57250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57251 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57252 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57253 File
    57254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57255 packages/chimerax/core/session.py", line 943, in <lambda> 
    57256 logger.report_exception(preface=preface)) 
    57257 File
    57258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57259 packages/chimerax/core/logger.py", line 421, in report_exception 
    57260 elif probably_chimera1_session(exc_info): 
    57261 File
    57262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57263 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57264 etype, evalue, etraceback = exc_info 
    57265 TypeError: cannot unpack non-iterable NoneType object 
    57266  
    57267 TypeError: cannot unpack non-iterable NoneType object 
    57268  
    57269 File
    57270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57271 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57272 etype, evalue, etraceback = exc_info 
    57273  
    57274 See log for complete Python traceback. 
    57275  
    57276 Traceback (most recent call last): 
    57277 File
    57278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57279 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57280 return self._func(self._name, data) 
    57281 File
    57282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57283 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57284 if v.display: 
    57285 File
    57286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57287 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57288 return self._any_displayed_positions and len(self._positions) > 0 
    57289 TypeError: object of type 'NoneType' has no len() 
    57290  
    57291 During handling of the above exception, another exception occurred: 
    57292  
    57293 Traceback (most recent call last): 
    57294 File
    57295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57296 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57297 if not self.draw_new_frame(): 
    57298 File
    57299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57300 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57301 changed = view.check_for_drawing_change() 
    57302 File
    57303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57304 packages/chimerax/core/graphics/view.py", line 252, in
    57305 check_for_drawing_change 
    57306 trig.activate_trigger('graphics update', self) 
    57307 File
    57308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57309 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57310 trigger.activate(data) 
    57311 File
    57312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57313 packages/chimerax/core/triggerset.py", line 190, in activate 
    57314 ret = handler.invoke(data, self._remove_bad_handlers) 
    57315 File
    57316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57317 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57318 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57319 File
    57320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57321 packages/chimerax/core/session.py", line 943, in <lambda> 
    57322 logger.report_exception(preface=preface)) 
    57323 File
    57324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57325 packages/chimerax/core/logger.py", line 421, in report_exception 
    57326 elif probably_chimera1_session(exc_info): 
    57327 File
    57328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57329 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57330 etype, evalue, etraceback = exc_info 
    57331 TypeError: cannot unpack non-iterable NoneType object 
    57332  
    57333 TypeError: cannot unpack non-iterable NoneType object 
    57334  
    57335 File
    57336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57337 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57338 etype, evalue, etraceback = exc_info 
    57339  
    57340 See log for complete Python traceback. 
    57341  
    57342 Traceback (most recent call last): 
    57343 File
    57344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57345 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57346 return self._func(self._name, data) 
    57347 File
    57348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57349 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57350 if v.display: 
    57351 File
    57352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57353 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57354 return self._any_displayed_positions and len(self._positions) > 0 
    57355 TypeError: object of type 'NoneType' has no len() 
    57356  
    57357 During handling of the above exception, another exception occurred: 
    57358  
    57359 Traceback (most recent call last): 
    57360 File
    57361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57362 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57363 if not self.draw_new_frame(): 
    57364 File
    57365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57366 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57367 changed = view.check_for_drawing_change() 
    57368 File
    57369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57370 packages/chimerax/core/graphics/view.py", line 252, in
    57371 check_for_drawing_change 
    57372 trig.activate_trigger('graphics update', self) 
    57373 File
    57374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57375 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57376 trigger.activate(data) 
    57377 File
    57378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57379 packages/chimerax/core/triggerset.py", line 190, in activate 
    57380 ret = handler.invoke(data, self._remove_bad_handlers) 
    57381 File
    57382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57383 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57384 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57385 File
    57386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57387 packages/chimerax/core/session.py", line 943, in <lambda> 
    57388 logger.report_exception(preface=preface)) 
    57389 File
    57390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57391 packages/chimerax/core/logger.py", line 421, in report_exception 
    57392 elif probably_chimera1_session(exc_info): 
    57393 File
    57394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57395 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57396 etype, evalue, etraceback = exc_info 
    57397 TypeError: cannot unpack non-iterable NoneType object 
    57398  
    57399 TypeError: cannot unpack non-iterable NoneType object 
    57400  
    57401 File
    57402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57403 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57404 etype, evalue, etraceback = exc_info 
    57405  
    57406 See log for complete Python traceback. 
    57407  
    57408 Traceback (most recent call last): 
    57409 File
    57410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57411 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57412 return self._func(self._name, data) 
    57413 File
    57414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57415 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57416 if v.display: 
    57417 File
    57418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57419 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57420 return self._any_displayed_positions and len(self._positions) > 0 
    57421 TypeError: object of type 'NoneType' has no len() 
    57422  
    57423 During handling of the above exception, another exception occurred: 
    57424  
    57425 Traceback (most recent call last): 
    57426 File
    57427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57428 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57429 if not self.draw_new_frame(): 
    57430 File
    57431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57432 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57433 changed = view.check_for_drawing_change() 
    57434 File
    57435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57436 packages/chimerax/core/graphics/view.py", line 252, in
    57437 check_for_drawing_change 
    57438 trig.activate_trigger('graphics update', self) 
    57439 File
    57440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57441 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57442 trigger.activate(data) 
    57443 File
    57444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57445 packages/chimerax/core/triggerset.py", line 190, in activate 
    57446 ret = handler.invoke(data, self._remove_bad_handlers) 
    57447 File
    57448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57449 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57450 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57451 File
    57452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57453 packages/chimerax/core/session.py", line 943, in <lambda> 
    57454 logger.report_exception(preface=preface)) 
    57455 File
    57456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57457 packages/chimerax/core/logger.py", line 421, in report_exception 
    57458 elif probably_chimera1_session(exc_info): 
    57459 File
    57460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57461 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57462 etype, evalue, etraceback = exc_info 
    57463 TypeError: cannot unpack non-iterable NoneType object 
    57464  
    57465 TypeError: cannot unpack non-iterable NoneType object 
    57466  
    57467 File
    57468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57469 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57470 etype, evalue, etraceback = exc_info 
    57471  
    57472 See log for complete Python traceback. 
    57473  
    57474 Traceback (most recent call last): 
    57475 File
    57476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57477 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57478 return self._func(self._name, data) 
    57479 File
    57480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57481 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57482 if v.display: 
    57483 File
    57484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57485 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57486 return self._any_displayed_positions and len(self._positions) > 0 
    57487 TypeError: object of type 'NoneType' has no len() 
    57488  
    57489 During handling of the above exception, another exception occurred: 
    57490  
    57491 Traceback (most recent call last): 
    57492 File
    57493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57494 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57495 if not self.draw_new_frame(): 
    57496 File
    57497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57498 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57499 changed = view.check_for_drawing_change() 
    57500 File
    57501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57502 packages/chimerax/core/graphics/view.py", line 252, in
    57503 check_for_drawing_change 
    57504 trig.activate_trigger('graphics update', self) 
    57505 File
    57506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57507 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57508 trigger.activate(data) 
    57509 File
    57510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57511 packages/chimerax/core/triggerset.py", line 190, in activate 
    57512 ret = handler.invoke(data, self._remove_bad_handlers) 
    57513 File
    57514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57515 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57516 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57517 File
    57518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57519 packages/chimerax/core/session.py", line 943, in <lambda> 
    57520 logger.report_exception(preface=preface)) 
    57521 File
    57522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57523 packages/chimerax/core/logger.py", line 421, in report_exception 
    57524 elif probably_chimera1_session(exc_info): 
    57525 File
    57526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57527 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57528 etype, evalue, etraceback = exc_info 
    57529 TypeError: cannot unpack non-iterable NoneType object 
    57530  
    57531 TypeError: cannot unpack non-iterable NoneType object 
    57532  
    57533 File
    57534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57535 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57536 etype, evalue, etraceback = exc_info 
    57537  
    57538 See log for complete Python traceback. 
    57539  
    57540 Traceback (most recent call last): 
    57541 File
    57542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57543 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57544 return self._func(self._name, data) 
    57545 File
    57546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57547 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57548 if v.display: 
    57549 File
    57550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57551 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57552 return self._any_displayed_positions and len(self._positions) > 0 
    57553 TypeError: object of type 'NoneType' has no len() 
    57554  
    57555 During handling of the above exception, another exception occurred: 
    57556  
    57557 Traceback (most recent call last): 
    57558 File
    57559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57560 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57561 if not self.draw_new_frame(): 
    57562 File
    57563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57564 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57565 changed = view.check_for_drawing_change() 
    57566 File
    57567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57568 packages/chimerax/core/graphics/view.py", line 252, in
    57569 check_for_drawing_change 
    57570 trig.activate_trigger('graphics update', self) 
    57571 File
    57572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57573 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57574 trigger.activate(data) 
    57575 File
    57576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57577 packages/chimerax/core/triggerset.py", line 190, in activate 
    57578 ret = handler.invoke(data, self._remove_bad_handlers) 
    57579 File
    57580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57581 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57582 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57583 File
    57584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57585 packages/chimerax/core/session.py", line 943, in <lambda> 
    57586 logger.report_exception(preface=preface)) 
    57587 File
    57588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57589 packages/chimerax/core/logger.py", line 421, in report_exception 
    57590 elif probably_chimera1_session(exc_info): 
    57591 File
    57592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57593 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57594 etype, evalue, etraceback = exc_info 
    57595 TypeError: cannot unpack non-iterable NoneType object 
    57596  
    57597 TypeError: cannot unpack non-iterable NoneType object 
    57598  
    57599 File
    57600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57601 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57602 etype, evalue, etraceback = exc_info 
    57603  
    57604 See log for complete Python traceback. 
    57605  
    57606 Traceback (most recent call last): 
    57607 File
    57608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57609 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57610 return self._func(self._name, data) 
    57611 File
    57612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57613 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57614 if v.display: 
    57615 File
    57616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57617 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57618 return self._any_displayed_positions and len(self._positions) > 0 
    57619 TypeError: object of type 'NoneType' has no len() 
    57620  
    57621 During handling of the above exception, another exception occurred: 
    57622  
    57623 Traceback (most recent call last): 
    57624 File
    57625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57626 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57627 if not self.draw_new_frame(): 
    57628 File
    57629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57630 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57631 changed = view.check_for_drawing_change() 
    57632 File
    57633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57634 packages/chimerax/core/graphics/view.py", line 252, in
    57635 check_for_drawing_change 
    57636 trig.activate_trigger('graphics update', self) 
    57637 File
    57638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57639 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57640 trigger.activate(data) 
    57641 File
    57642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57643 packages/chimerax/core/triggerset.py", line 190, in activate 
    57644 ret = handler.invoke(data, self._remove_bad_handlers) 
    57645 File
    57646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57647 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57648 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57649 File
    57650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57651 packages/chimerax/core/session.py", line 943, in <lambda> 
    57652 logger.report_exception(preface=preface)) 
    57653 File
    57654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57655 packages/chimerax/core/logger.py", line 421, in report_exception 
    57656 elif probably_chimera1_session(exc_info): 
    57657 File
    57658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57659 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57660 etype, evalue, etraceback = exc_info 
    57661 TypeError: cannot unpack non-iterable NoneType object 
    57662  
    57663 TypeError: cannot unpack non-iterable NoneType object 
    57664  
    57665 File
    57666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57667 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57668 etype, evalue, etraceback = exc_info 
    57669  
    57670 See log for complete Python traceback. 
    57671  
    57672 Traceback (most recent call last): 
    57673 File
    57674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57675 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57676 return self._func(self._name, data) 
    57677 File
    57678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57679 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57680 if v.display: 
    57681 File
    57682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57683 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57684 return self._any_displayed_positions and len(self._positions) > 0 
    57685 TypeError: object of type 'NoneType' has no len() 
    57686  
    57687 During handling of the above exception, another exception occurred: 
    57688  
    57689 Traceback (most recent call last): 
    57690 File
    57691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57692 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57693 if not self.draw_new_frame(): 
    57694 File
    57695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57696 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57697 changed = view.check_for_drawing_change() 
    57698 File
    57699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57700 packages/chimerax/core/graphics/view.py", line 252, in
    57701 check_for_drawing_change 
    57702 trig.activate_trigger('graphics update', self) 
    57703 File
    57704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57705 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57706 trigger.activate(data) 
    57707 File
    57708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57709 packages/chimerax/core/triggerset.py", line 190, in activate 
    57710 ret = handler.invoke(data, self._remove_bad_handlers) 
    57711 File
    57712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57713 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57714 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57715 File
    57716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57717 packages/chimerax/core/session.py", line 943, in <lambda> 
    57718 logger.report_exception(preface=preface)) 
    57719 File
    57720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57721 packages/chimerax/core/logger.py", line 421, in report_exception 
    57722 elif probably_chimera1_session(exc_info): 
    57723 File
    57724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57725 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57726 etype, evalue, etraceback = exc_info 
    57727 TypeError: cannot unpack non-iterable NoneType object 
    57728  
    57729 TypeError: cannot unpack non-iterable NoneType object 
    57730  
    57731 File
    57732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57733 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57734 etype, evalue, etraceback = exc_info 
    57735  
    57736 See log for complete Python traceback. 
    57737  
    57738 Traceback (most recent call last): 
    57739 File
    57740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57741 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57742 return self._func(self._name, data) 
    57743 File
    57744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57745 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57746 if v.display: 
    57747 File
    57748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57749 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57750 return self._any_displayed_positions and len(self._positions) > 0 
    57751 TypeError: object of type 'NoneType' has no len() 
    57752  
    57753 During handling of the above exception, another exception occurred: 
    57754  
    57755 Traceback (most recent call last): 
    57756 File
    57757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57758 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57759 if not self.draw_new_frame(): 
    57760 File
    57761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57762 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57763 changed = view.check_for_drawing_change() 
    57764 File
    57765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57766 packages/chimerax/core/graphics/view.py", line 252, in
    57767 check_for_drawing_change 
    57768 trig.activate_trigger('graphics update', self) 
    57769 File
    57770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57771 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57772 trigger.activate(data) 
    57773 File
    57774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57775 packages/chimerax/core/triggerset.py", line 190, in activate 
    57776 ret = handler.invoke(data, self._remove_bad_handlers) 
    57777 File
    57778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57779 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57780 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57781 File
    57782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57783 packages/chimerax/core/session.py", line 943, in <lambda> 
    57784 logger.report_exception(preface=preface)) 
    57785 File
    57786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57787 packages/chimerax/core/logger.py", line 421, in report_exception 
    57788 elif probably_chimera1_session(exc_info): 
    57789 File
    57790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57791 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57792 etype, evalue, etraceback = exc_info 
    57793 TypeError: cannot unpack non-iterable NoneType object 
    57794  
    57795 TypeError: cannot unpack non-iterable NoneType object 
    57796  
    57797 File
    57798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57799 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57800 etype, evalue, etraceback = exc_info 
    57801  
    57802 See log for complete Python traceback. 
    57803  
    57804 Traceback (most recent call last): 
    57805 File
    57806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57807 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57808 return self._func(self._name, data) 
    57809 File
    57810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57811 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57812 if v.display: 
    57813 File
    57814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57815 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57816 return self._any_displayed_positions and len(self._positions) > 0 
    57817 TypeError: object of type 'NoneType' has no len() 
    57818  
    57819 During handling of the above exception, another exception occurred: 
    57820  
    57821 Traceback (most recent call last): 
    57822 File
    57823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57824 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57825 if not self.draw_new_frame(): 
    57826 File
    57827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57828 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57829 changed = view.check_for_drawing_change() 
    57830 File
    57831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57832 packages/chimerax/core/graphics/view.py", line 252, in
    57833 check_for_drawing_change 
    57834 trig.activate_trigger('graphics update', self) 
    57835 File
    57836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57837 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57838 trigger.activate(data) 
    57839 File
    57840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57841 packages/chimerax/core/triggerset.py", line 190, in activate 
    57842 ret = handler.invoke(data, self._remove_bad_handlers) 
    57843 File
    57844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57845 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57846 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57847 File
    57848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57849 packages/chimerax/core/session.py", line 943, in <lambda> 
    57850 logger.report_exception(preface=preface)) 
    57851 File
    57852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57853 packages/chimerax/core/logger.py", line 421, in report_exception 
    57854 elif probably_chimera1_session(exc_info): 
    57855 File
    57856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57857 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57858 etype, evalue, etraceback = exc_info 
    57859 TypeError: cannot unpack non-iterable NoneType object 
    57860  
    57861 TypeError: cannot unpack non-iterable NoneType object 
    57862  
    57863 File
    57864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57865 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57866 etype, evalue, etraceback = exc_info 
    57867  
    57868 See log for complete Python traceback. 
    57869  
    57870 Traceback (most recent call last): 
    57871 File
    57872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57873 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57874 return self._func(self._name, data) 
    57875 File
    57876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57877 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57878 if v.display: 
    57879 File
    57880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57881 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57882 return self._any_displayed_positions and len(self._positions) > 0 
    57883 TypeError: object of type 'NoneType' has no len() 
    57884  
    57885 During handling of the above exception, another exception occurred: 
    57886  
    57887 Traceback (most recent call last): 
    57888 File
    57889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57890 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57891 if not self.draw_new_frame(): 
    57892 File
    57893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57894 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57895 changed = view.check_for_drawing_change() 
    57896 File
    57897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57898 packages/chimerax/core/graphics/view.py", line 252, in
    57899 check_for_drawing_change 
    57900 trig.activate_trigger('graphics update', self) 
    57901 File
    57902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57903 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57904 trigger.activate(data) 
    57905 File
    57906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57907 packages/chimerax/core/triggerset.py", line 190, in activate 
    57908 ret = handler.invoke(data, self._remove_bad_handlers) 
    57909 File
    57910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57911 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57912 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57913 File
    57914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57915 packages/chimerax/core/session.py", line 943, in <lambda> 
    57916 logger.report_exception(preface=preface)) 
    57917 File
    57918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57919 packages/chimerax/core/logger.py", line 421, in report_exception 
    57920 elif probably_chimera1_session(exc_info): 
    57921 File
    57922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57923 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57924 etype, evalue, etraceback = exc_info 
    57925 TypeError: cannot unpack non-iterable NoneType object 
    57926  
    57927 TypeError: cannot unpack non-iterable NoneType object 
    57928  
    57929 File
    57930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57931 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57932 etype, evalue, etraceback = exc_info 
    57933  
    57934 See log for complete Python traceback. 
    57935  
    57936 Traceback (most recent call last): 
    57937 File
    57938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57939 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57940 return self._func(self._name, data) 
    57941 File
    57942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57943 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57944 if v.display: 
    57945 File
    57946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57947 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57948 return self._any_displayed_positions and len(self._positions) > 0 
    57949 TypeError: object of type 'NoneType' has no len() 
    57950  
    57951 During handling of the above exception, another exception occurred: 
    57952  
    57953 Traceback (most recent call last): 
    57954 File
    57955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57956 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57957 if not self.draw_new_frame(): 
    57958 File
    57959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57960 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57961 changed = view.check_for_drawing_change() 
    57962 File
    57963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57964 packages/chimerax/core/graphics/view.py", line 252, in
    57965 check_for_drawing_change 
    57966 trig.activate_trigger('graphics update', self) 
    57967 File
    57968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57969 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57970 trigger.activate(data) 
    57971 File
    57972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57973 packages/chimerax/core/triggerset.py", line 190, in activate 
    57974 ret = handler.invoke(data, self._remove_bad_handlers) 
    57975 File
    57976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57977 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57978 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57979 File
    57980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57981 packages/chimerax/core/session.py", line 943, in <lambda> 
    57982 logger.report_exception(preface=preface)) 
    57983 File
    57984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57985 packages/chimerax/core/logger.py", line 421, in report_exception 
    57986 elif probably_chimera1_session(exc_info): 
    57987 File
    57988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57989 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57990 etype, evalue, etraceback = exc_info 
    57991 TypeError: cannot unpack non-iterable NoneType object 
    57992  
    57993 TypeError: cannot unpack non-iterable NoneType object 
    57994  
    57995 File
    57996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57997 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57998 etype, evalue, etraceback = exc_info 
    57999  
    58000 See log for complete Python traceback. 
    58001  
    58002 Traceback (most recent call last): 
    58003 File
    58004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58005 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58006 return self._func(self._name, data) 
    58007 File
    58008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58009 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58010 if v.display: 
    58011 File
    58012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58013 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58014 return self._any_displayed_positions and len(self._positions) > 0 
    58015 TypeError: object of type 'NoneType' has no len() 
    58016  
    58017 During handling of the above exception, another exception occurred: 
    58018  
    58019 Traceback (most recent call last): 
    58020 File
    58021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58022 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58023 if not self.draw_new_frame(): 
    58024 File
    58025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58026 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58027 changed = view.check_for_drawing_change() 
    58028 File
    58029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58030 packages/chimerax/core/graphics/view.py", line 252, in
    58031 check_for_drawing_change 
    58032 trig.activate_trigger('graphics update', self) 
    58033 File
    58034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58035 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58036 trigger.activate(data) 
    58037 File
    58038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58039 packages/chimerax/core/triggerset.py", line 190, in activate 
    58040 ret = handler.invoke(data, self._remove_bad_handlers) 
    58041 File
    58042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58043 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58044 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58045 File
    58046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58047 packages/chimerax/core/session.py", line 943, in <lambda> 
    58048 logger.report_exception(preface=preface)) 
    58049 File
    58050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58051 packages/chimerax/core/logger.py", line 421, in report_exception 
    58052 elif probably_chimera1_session(exc_info): 
    58053 File
    58054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58055 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58056 etype, evalue, etraceback = exc_info 
    58057 TypeError: cannot unpack non-iterable NoneType object 
    58058  
    58059 TypeError: cannot unpack non-iterable NoneType object 
    58060  
    58061 File
    58062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58063 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58064 etype, evalue, etraceback = exc_info 
    58065  
    58066 See log for complete Python traceback. 
    58067  
    58068 Traceback (most recent call last): 
    58069 File
    58070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58071 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58072 return self._func(self._name, data) 
    58073 File
    58074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58075 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58076 if v.display: 
    58077 File
    58078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58079 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58080 return self._any_displayed_positions and len(self._positions) > 0 
    58081 TypeError: object of type 'NoneType' has no len() 
    58082  
    58083 During handling of the above exception, another exception occurred: 
    58084  
    58085 Traceback (most recent call last): 
    58086 File
    58087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58088 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58089 if not self.draw_new_frame(): 
    58090 File
    58091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58092 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58093 changed = view.check_for_drawing_change() 
    58094 File
    58095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58096 packages/chimerax/core/graphics/view.py", line 252, in
    58097 check_for_drawing_change 
    58098 trig.activate_trigger('graphics update', self) 
    58099 File
    58100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58101 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58102 trigger.activate(data) 
    58103 File
    58104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58105 packages/chimerax/core/triggerset.py", line 190, in activate 
    58106 ret = handler.invoke(data, self._remove_bad_handlers) 
    58107 File
    58108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58109 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58110 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58111 File
    58112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58113 packages/chimerax/core/session.py", line 943, in <lambda> 
    58114 logger.report_exception(preface=preface)) 
    58115 File
    58116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58117 packages/chimerax/core/logger.py", line 421, in report_exception 
    58118 elif probably_chimera1_session(exc_info): 
    58119 File
    58120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58121 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58122 etype, evalue, etraceback = exc_info 
    58123 TypeError: cannot unpack non-iterable NoneType object 
    58124  
    58125 TypeError: cannot unpack non-iterable NoneType object 
    58126  
    58127 File
    58128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58129 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58130 etype, evalue, etraceback = exc_info 
    58131  
    58132 See log for complete Python traceback. 
    58133  
    58134 Traceback (most recent call last): 
    58135 File
    58136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58137 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58138 return self._func(self._name, data) 
    58139 File
    58140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58141 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58142 if v.display: 
    58143 File
    58144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58145 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58146 return self._any_displayed_positions and len(self._positions) > 0 
    58147 TypeError: object of type 'NoneType' has no len() 
    58148  
    58149 During handling of the above exception, another exception occurred: 
    58150  
    58151 Traceback (most recent call last): 
    58152 File
    58153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58154 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58155 if not self.draw_new_frame(): 
    58156 File
    58157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58158 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58159 changed = view.check_for_drawing_change() 
    58160 File
    58161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58162 packages/chimerax/core/graphics/view.py", line 252, in
    58163 check_for_drawing_change 
    58164 trig.activate_trigger('graphics update', self) 
    58165 File
    58166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58167 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58168 trigger.activate(data) 
    58169 File
    58170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58171 packages/chimerax/core/triggerset.py", line 190, in activate 
    58172 ret = handler.invoke(data, self._remove_bad_handlers) 
    58173 File
    58174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58175 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58176 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58177 File
    58178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58179 packages/chimerax/core/session.py", line 943, in <lambda> 
    58180 logger.report_exception(preface=preface)) 
    58181 File
    58182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58183 packages/chimerax/core/logger.py", line 421, in report_exception 
    58184 elif probably_chimera1_session(exc_info): 
    58185 File
    58186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58187 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58188 etype, evalue, etraceback = exc_info 
    58189 TypeError: cannot unpack non-iterable NoneType object 
    58190  
    58191 TypeError: cannot unpack non-iterable NoneType object 
    58192  
    58193 File
    58194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58195 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58196 etype, evalue, etraceback = exc_info 
    58197  
    58198 See log for complete Python traceback. 
    58199  
    58200 Traceback (most recent call last): 
    58201 File
    58202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58203 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58204 return self._func(self._name, data) 
    58205 File
    58206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58207 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58208 if v.display: 
    58209 File
    58210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58211 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58212 return self._any_displayed_positions and len(self._positions) > 0 
    58213 TypeError: object of type 'NoneType' has no len() 
    58214  
    58215 During handling of the above exception, another exception occurred: 
    58216  
    58217 Traceback (most recent call last): 
    58218 File
    58219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58220 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58221 if not self.draw_new_frame(): 
    58222 File
    58223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58224 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58225 changed = view.check_for_drawing_change() 
    58226 File
    58227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58228 packages/chimerax/core/graphics/view.py", line 252, in
    58229 check_for_drawing_change 
    58230 trig.activate_trigger('graphics update', self) 
    58231 File
    58232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58233 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58234 trigger.activate(data) 
    58235 File
    58236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58237 packages/chimerax/core/triggerset.py", line 190, in activate 
    58238 ret = handler.invoke(data, self._remove_bad_handlers) 
    58239 File
    58240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58241 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58242 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58243 File
    58244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58245 packages/chimerax/core/session.py", line 943, in <lambda> 
    58246 logger.report_exception(preface=preface)) 
    58247 File
    58248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58249 packages/chimerax/core/logger.py", line 421, in report_exception 
    58250 elif probably_chimera1_session(exc_info): 
    58251 File
    58252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58253 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58254 etype, evalue, etraceback = exc_info 
    58255 TypeError: cannot unpack non-iterable NoneType object 
    58256  
    58257 TypeError: cannot unpack non-iterable NoneType object 
    58258  
    58259 File
    58260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58261 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58262 etype, evalue, etraceback = exc_info 
    58263  
    58264 See log for complete Python traceback. 
    58265  
    58266 Traceback (most recent call last): 
    58267 File
    58268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58269 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58270 return self._func(self._name, data) 
    58271 File
    58272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58273 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58274 if v.display: 
    58275 File
    58276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58277 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58278 return self._any_displayed_positions and len(self._positions) > 0 
    58279 TypeError: object of type 'NoneType' has no len() 
    58280  
    58281 During handling of the above exception, another exception occurred: 
    58282  
    58283 Traceback (most recent call last): 
    58284 File
    58285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58286 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58287 if not self.draw_new_frame(): 
    58288 File
    58289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58290 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58291 changed = view.check_for_drawing_change() 
    58292 File
    58293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58294 packages/chimerax/core/graphics/view.py", line 252, in
    58295 check_for_drawing_change 
    58296 trig.activate_trigger('graphics update', self) 
    58297 File
    58298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58299 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58300 trigger.activate(data) 
    58301 File
    58302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58303 packages/chimerax/core/triggerset.py", line 190, in activate 
    58304 ret = handler.invoke(data, self._remove_bad_handlers) 
    58305 File
    58306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58307 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58308 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58309 File
    58310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58311 packages/chimerax/core/session.py", line 943, in <lambda> 
    58312 logger.report_exception(preface=preface)) 
    58313 File
    58314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58315 packages/chimerax/core/logger.py", line 421, in report_exception 
    58316 elif probably_chimera1_session(exc_info): 
    58317 File
    58318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58319 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58320 etype, evalue, etraceback = exc_info 
    58321 TypeError: cannot unpack non-iterable NoneType object 
    58322  
    58323 TypeError: cannot unpack non-iterable NoneType object 
    58324  
    58325 File
    58326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58327 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58328 etype, evalue, etraceback = exc_info 
    58329  
    58330 See log for complete Python traceback. 
    58331  
    58332 Traceback (most recent call last): 
    58333 File
    58334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58335 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58336 return self._func(self._name, data) 
    58337 File
    58338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58339 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58340 if v.display: 
    58341 File
    58342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58343 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58344 return self._any_displayed_positions and len(self._positions) > 0 
    58345 TypeError: object of type 'NoneType' has no len() 
    58346  
    58347 During handling of the above exception, another exception occurred: 
    58348  
    58349 Traceback (most recent call last): 
    58350 File
    58351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58352 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58353 if not self.draw_new_frame(): 
    58354 File
    58355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58356 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58357 changed = view.check_for_drawing_change() 
    58358 File
    58359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58360 packages/chimerax/core/graphics/view.py", line 252, in
    58361 check_for_drawing_change 
    58362 trig.activate_trigger('graphics update', self) 
    58363 File
    58364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58365 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58366 trigger.activate(data) 
    58367 File
    58368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58369 packages/chimerax/core/triggerset.py", line 190, in activate 
    58370 ret = handler.invoke(data, self._remove_bad_handlers) 
    58371 File
    58372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58373 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58374 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58375 File
    58376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58377 packages/chimerax/core/session.py", line 943, in <lambda> 
    58378 logger.report_exception(preface=preface)) 
    58379 File
    58380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58381 packages/chimerax/core/logger.py", line 421, in report_exception 
    58382 elif probably_chimera1_session(exc_info): 
    58383 File
    58384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58385 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58386 etype, evalue, etraceback = exc_info 
    58387 TypeError: cannot unpack non-iterable NoneType object 
    58388  
    58389 TypeError: cannot unpack non-iterable NoneType object 
    58390  
    58391 File
    58392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58393 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58394 etype, evalue, etraceback = exc_info 
    58395  
    58396 See log for complete Python traceback. 
    58397  
    58398 Traceback (most recent call last): 
    58399 File
    58400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58401 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58402 return self._func(self._name, data) 
    58403 File
    58404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58405 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58406 if v.display: 
    58407 File
    58408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58409 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58410 return self._any_displayed_positions and len(self._positions) > 0 
    58411 TypeError: object of type 'NoneType' has no len() 
    58412  
    58413 During handling of the above exception, another exception occurred: 
    58414  
    58415 Traceback (most recent call last): 
    58416 File
    58417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58418 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58419 if not self.draw_new_frame(): 
    58420 File
    58421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58422 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58423 changed = view.check_for_drawing_change() 
    58424 File
    58425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58426 packages/chimerax/core/graphics/view.py", line 252, in
    58427 check_for_drawing_change 
    58428 trig.activate_trigger('graphics update', self) 
    58429 File
    58430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58431 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58432 trigger.activate(data) 
    58433 File
    58434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58435 packages/chimerax/core/triggerset.py", line 190, in activate 
    58436 ret = handler.invoke(data, self._remove_bad_handlers) 
    58437 File
    58438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58439 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58440 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58441 File
    58442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58443 packages/chimerax/core/session.py", line 943, in <lambda> 
    58444 logger.report_exception(preface=preface)) 
    58445 File
    58446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58447 packages/chimerax/core/logger.py", line 421, in report_exception 
    58448 elif probably_chimera1_session(exc_info): 
    58449 File
    58450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58451 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58452 etype, evalue, etraceback = exc_info 
    58453 TypeError: cannot unpack non-iterable NoneType object 
    58454  
    58455 TypeError: cannot unpack non-iterable NoneType object 
    58456  
    58457 File
    58458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58459 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58460 etype, evalue, etraceback = exc_info 
    58461  
    58462 See log for complete Python traceback. 
    58463  
    58464 Traceback (most recent call last): 
    58465 File
    58466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58467 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58468 return self._func(self._name, data) 
    58469 File
    58470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58471 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58472 if v.display: 
    58473 File
    58474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58475 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58476 return self._any_displayed_positions and len(self._positions) > 0 
    58477 TypeError: object of type 'NoneType' has no len() 
    58478  
    58479 During handling of the above exception, another exception occurred: 
    58480  
    58481 Traceback (most recent call last): 
    58482 File
    58483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58484 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58485 if not self.draw_new_frame(): 
    58486 File
    58487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58488 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58489 changed = view.check_for_drawing_change() 
    58490 File
    58491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58492 packages/chimerax/core/graphics/view.py", line 252, in
    58493 check_for_drawing_change 
    58494 trig.activate_trigger('graphics update', self) 
    58495 File
    58496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58497 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58498 trigger.activate(data) 
    58499 File
    58500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58501 packages/chimerax/core/triggerset.py", line 190, in activate 
    58502 ret = handler.invoke(data, self._remove_bad_handlers) 
    58503 File
    58504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58505 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58506 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58507 File
    58508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58509 packages/chimerax/core/session.py", line 943, in <lambda> 
    58510 logger.report_exception(preface=preface)) 
    58511 File
    58512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58513 packages/chimerax/core/logger.py", line 421, in report_exception 
    58514 elif probably_chimera1_session(exc_info): 
    58515 File
    58516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58517 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58518 etype, evalue, etraceback = exc_info 
    58519 TypeError: cannot unpack non-iterable NoneType object 
    58520  
    58521 TypeError: cannot unpack non-iterable NoneType object 
    58522  
    58523 File
    58524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58525 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58526 etype, evalue, etraceback = exc_info 
    58527  
    58528 See log for complete Python traceback. 
    58529  
    58530 Traceback (most recent call last): 
    58531 File
    58532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58533 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58534 return self._func(self._name, data) 
    58535 File
    58536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58537 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58538 if v.display: 
    58539 File
    58540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58541 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58542 return self._any_displayed_positions and len(self._positions) > 0 
    58543 TypeError: object of type 'NoneType' has no len() 
    58544  
    58545 During handling of the above exception, another exception occurred: 
    58546  
    58547 Traceback (most recent call last): 
    58548 File
    58549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58550 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58551 if not self.draw_new_frame(): 
    58552 File
    58553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58554 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58555 changed = view.check_for_drawing_change() 
    58556 File
    58557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58558 packages/chimerax/core/graphics/view.py", line 252, in
    58559 check_for_drawing_change 
    58560 trig.activate_trigger('graphics update', self) 
    58561 File
    58562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58563 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58564 trigger.activate(data) 
    58565 File
    58566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58567 packages/chimerax/core/triggerset.py", line 190, in activate 
    58568 ret = handler.invoke(data, self._remove_bad_handlers) 
    58569 File
    58570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58571 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58572 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58573 File
    58574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58575 packages/chimerax/core/session.py", line 943, in <lambda> 
    58576 logger.report_exception(preface=preface)) 
    58577 File
    58578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58579 packages/chimerax/core/logger.py", line 421, in report_exception 
    58580 elif probably_chimera1_session(exc_info): 
    58581 File
    58582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58583 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58584 etype, evalue, etraceback = exc_info 
    58585 TypeError: cannot unpack non-iterable NoneType object 
    58586  
    58587 TypeError: cannot unpack non-iterable NoneType object 
    58588  
    58589 File
    58590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58591 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58592 etype, evalue, etraceback = exc_info 
    58593  
    58594 See log for complete Python traceback. 
    58595  
    58596 Traceback (most recent call last): 
    58597 File
    58598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58599 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58600 return self._func(self._name, data) 
    58601 File
    58602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58603 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58604 if v.display: 
    58605 File
    58606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58607 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58608 return self._any_displayed_positions and len(self._positions) > 0 
    58609 TypeError: object of type 'NoneType' has no len() 
    58610  
    58611 During handling of the above exception, another exception occurred: 
    58612  
    58613 Traceback (most recent call last): 
    58614 File
    58615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58616 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58617 if not self.draw_new_frame(): 
    58618 File
    58619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58620 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58621 changed = view.check_for_drawing_change() 
    58622 File
    58623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58624 packages/chimerax/core/graphics/view.py", line 252, in
    58625 check_for_drawing_change 
    58626 trig.activate_trigger('graphics update', self) 
    58627 File
    58628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58629 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58630 trigger.activate(data) 
    58631 File
    58632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58633 packages/chimerax/core/triggerset.py", line 190, in activate 
    58634 ret = handler.invoke(data, self._remove_bad_handlers) 
    58635 File
    58636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58637 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58638 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58639 File
    58640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58641 packages/chimerax/core/session.py", line 943, in <lambda> 
    58642 logger.report_exception(preface=preface)) 
    58643 File
    58644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58645 packages/chimerax/core/logger.py", line 421, in report_exception 
    58646 elif probably_chimera1_session(exc_info): 
    58647 File
    58648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58649 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58650 etype, evalue, etraceback = exc_info 
    58651 TypeError: cannot unpack non-iterable NoneType object 
    58652  
    58653 TypeError: cannot unpack non-iterable NoneType object 
    58654  
    58655 File
    58656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58657 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58658 etype, evalue, etraceback = exc_info 
    58659  
    58660 See log for complete Python traceback. 
    58661  
    58662 Traceback (most recent call last): 
    58663 File
    58664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58665 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58666 return self._func(self._name, data) 
    58667 File
    58668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58669 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58670 if v.display: 
    58671 File
    58672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58673 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58674 return self._any_displayed_positions and len(self._positions) > 0 
    58675 TypeError: object of type 'NoneType' has no len() 
    58676  
    58677 During handling of the above exception, another exception occurred: 
    58678  
    58679 Traceback (most recent call last): 
    58680 File
    58681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58682 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58683 if not self.draw_new_frame(): 
    58684 File
    58685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58686 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58687 changed = view.check_for_drawing_change() 
    58688 File
    58689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58690 packages/chimerax/core/graphics/view.py", line 252, in
    58691 check_for_drawing_change 
    58692 trig.activate_trigger('graphics update', self) 
    58693 File
    58694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58695 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58696 trigger.activate(data) 
    58697 File
    58698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58699 packages/chimerax/core/triggerset.py", line 190, in activate 
    58700 ret = handler.invoke(data, self._remove_bad_handlers) 
    58701 File
    58702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58703 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58704 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58705 File
    58706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58707 packages/chimerax/core/session.py", line 943, in <lambda> 
    58708 logger.report_exception(preface=preface)) 
    58709 File
    58710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58711 packages/chimerax/core/logger.py", line 421, in report_exception 
    58712 elif probably_chimera1_session(exc_info): 
    58713 File
    58714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58715 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58716 etype, evalue, etraceback = exc_info 
    58717 TypeError: cannot unpack non-iterable NoneType object 
    58718  
    58719 TypeError: cannot unpack non-iterable NoneType object 
    58720  
    58721 File
    58722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58723 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58724 etype, evalue, etraceback = exc_info 
    58725  
    58726 See log for complete Python traceback. 
    58727  
    58728 Traceback (most recent call last): 
    58729 File
    58730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58731 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58732 return self._func(self._name, data) 
    58733 File
    58734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58735 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58736 if v.display: 
    58737 File
    58738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58739 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58740 return self._any_displayed_positions and len(self._positions) > 0 
    58741 TypeError: object of type 'NoneType' has no len() 
    58742  
    58743 During handling of the above exception, another exception occurred: 
    58744  
    58745 Traceback (most recent call last): 
    58746 File
    58747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58748 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58749 if not self.draw_new_frame(): 
    58750 File
    58751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58752 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58753 changed = view.check_for_drawing_change() 
    58754 File
    58755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58756 packages/chimerax/core/graphics/view.py", line 252, in
    58757 check_for_drawing_change 
    58758 trig.activate_trigger('graphics update', self) 
    58759 File
    58760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58761 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58762 trigger.activate(data) 
    58763 File
    58764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58765 packages/chimerax/core/triggerset.py", line 190, in activate 
    58766 ret = handler.invoke(data, self._remove_bad_handlers) 
    58767 File
    58768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58769 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58770 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58771 File
    58772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58773 packages/chimerax/core/session.py", line 943, in <lambda> 
    58774 logger.report_exception(preface=preface)) 
    58775 File
    58776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58777 packages/chimerax/core/logger.py", line 421, in report_exception 
    58778 elif probably_chimera1_session(exc_info): 
    58779 File
    58780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58781 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58782 etype, evalue, etraceback = exc_info 
    58783 TypeError: cannot unpack non-iterable NoneType object 
    58784  
    58785 TypeError: cannot unpack non-iterable NoneType object 
    58786  
    58787 File
    58788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58789 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58790 etype, evalue, etraceback = exc_info 
    58791  
    58792 See log for complete Python traceback. 
    58793  
    58794 Traceback (most recent call last): 
    58795 File
    58796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58797 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58798 return self._func(self._name, data) 
    58799 File
    58800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58801 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58802 if v.display: 
    58803 File
    58804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58805 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58806 return self._any_displayed_positions and len(self._positions) > 0 
    58807 TypeError: object of type 'NoneType' has no len() 
    58808  
    58809 During handling of the above exception, another exception occurred: 
    58810  
    58811 Traceback (most recent call last): 
    58812 File
    58813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58814 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58815 if not self.draw_new_frame(): 
    58816 File
    58817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58818 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58819 changed = view.check_for_drawing_change() 
    58820 File
    58821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58822 packages/chimerax/core/graphics/view.py", line 252, in
    58823 check_for_drawing_change 
    58824 trig.activate_trigger('graphics update', self) 
    58825 File
    58826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58827 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58828 trigger.activate(data) 
    58829 File
    58830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58831 packages/chimerax/core/triggerset.py", line 190, in activate 
    58832 ret = handler.invoke(data, self._remove_bad_handlers) 
    58833 File
    58834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58835 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58836 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58837 File
    58838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58839 packages/chimerax/core/session.py", line 943, in <lambda> 
    58840 logger.report_exception(preface=preface)) 
    58841 File
    58842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58843 packages/chimerax/core/logger.py", line 421, in report_exception 
    58844 elif probably_chimera1_session(exc_info): 
    58845 File
    58846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58847 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58848 etype, evalue, etraceback = exc_info 
    58849 TypeError: cannot unpack non-iterable NoneType object 
    58850  
    58851 TypeError: cannot unpack non-iterable NoneType object 
    58852  
    58853 File
    58854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58855 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58856 etype, evalue, etraceback = exc_info 
    58857  
    58858 See log for complete Python traceback. 
    58859  
    58860 Traceback (most recent call last): 
    58861 File
    58862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58863 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58864 return self._func(self._name, data) 
    58865 File
    58866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58867 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58868 if v.display: 
    58869 File
    58870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58871 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58872 return self._any_displayed_positions and len(self._positions) > 0 
    58873 TypeError: object of type 'NoneType' has no len() 
    58874  
    58875 During handling of the above exception, another exception occurred: 
    58876  
    58877 Traceback (most recent call last): 
    58878 File
    58879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58880 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58881 if not self.draw_new_frame(): 
    58882 File
    58883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58884 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58885 changed = view.check_for_drawing_change() 
    58886 File
    58887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58888 packages/chimerax/core/graphics/view.py", line 252, in
    58889 check_for_drawing_change 
    58890 trig.activate_trigger('graphics update', self) 
    58891 File
    58892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58893 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58894 trigger.activate(data) 
    58895 File
    58896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58897 packages/chimerax/core/triggerset.py", line 190, in activate 
    58898 ret = handler.invoke(data, self._remove_bad_handlers) 
    58899 File
    58900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58901 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58902 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58903 File
    58904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58905 packages/chimerax/core/session.py", line 943, in <lambda> 
    58906 logger.report_exception(preface=preface)) 
    58907 File
    58908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58909 packages/chimerax/core/logger.py", line 421, in report_exception 
    58910 elif probably_chimera1_session(exc_info): 
    58911 File
    58912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58913 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58914 etype, evalue, etraceback = exc_info 
    58915 TypeError: cannot unpack non-iterable NoneType object 
    58916  
    58917 TypeError: cannot unpack non-iterable NoneType object 
    58918  
    58919 File
    58920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58921 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58922 etype, evalue, etraceback = exc_info 
    58923  
    58924 See log for complete Python traceback. 
    58925  
    58926 Traceback (most recent call last): 
    58927 File
    58928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58929 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58930 return self._func(self._name, data) 
    58931 File
    58932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58933 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58934 if v.display: 
    58935 File
    58936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58937 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58938 return self._any_displayed_positions and len(self._positions) > 0 
    58939 TypeError: object of type 'NoneType' has no len() 
    58940  
    58941 During handling of the above exception, another exception occurred: 
    58942  
    58943 Traceback (most recent call last): 
    58944 File
    58945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58946 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58947 if not self.draw_new_frame(): 
    58948 File
    58949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58950 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58951 changed = view.check_for_drawing_change() 
    58952 File
    58953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58954 packages/chimerax/core/graphics/view.py", line 252, in
    58955 check_for_drawing_change 
    58956 trig.activate_trigger('graphics update', self) 
    58957 File
    58958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58959 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58960 trigger.activate(data) 
    58961 File
    58962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58963 packages/chimerax/core/triggerset.py", line 190, in activate 
    58964 ret = handler.invoke(data, self._remove_bad_handlers) 
    58965 File
    58966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58967 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58968 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58969 File
    58970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58971 packages/chimerax/core/session.py", line 943, in <lambda> 
    58972 logger.report_exception(preface=preface)) 
    58973 File
    58974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58975 packages/chimerax/core/logger.py", line 421, in report_exception 
    58976 elif probably_chimera1_session(exc_info): 
    58977 File
    58978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58979 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58980 etype, evalue, etraceback = exc_info 
    58981 TypeError: cannot unpack non-iterable NoneType object 
    58982  
    58983 TypeError: cannot unpack non-iterable NoneType object 
    58984  
    58985 File
    58986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58987 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58988 etype, evalue, etraceback = exc_info 
    58989  
    58990 See log for complete Python traceback. 
    58991  
    58992 Traceback (most recent call last): 
    58993 File
    58994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58995 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58996 return self._func(self._name, data) 
    58997 File
    58998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58999 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59000 if v.display: 
    59001 File
    59002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59003 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59004 return self._any_displayed_positions and len(self._positions) > 0 
    59005 TypeError: object of type 'NoneType' has no len() 
    59006  
    59007 During handling of the above exception, another exception occurred: 
    59008  
    59009 Traceback (most recent call last): 
    59010 File
    59011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59012 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59013 if not self.draw_new_frame(): 
    59014 File
    59015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59016 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59017 changed = view.check_for_drawing_change() 
    59018 File
    59019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59020 packages/chimerax/core/graphics/view.py", line 252, in
    59021 check_for_drawing_change 
    59022 trig.activate_trigger('graphics update', self) 
    59023 File
    59024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59025 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59026 trigger.activate(data) 
    59027 File
    59028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59029 packages/chimerax/core/triggerset.py", line 190, in activate 
    59030 ret = handler.invoke(data, self._remove_bad_handlers) 
    59031 File
    59032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59033 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59034 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59035 File
    59036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59037 packages/chimerax/core/session.py", line 943, in <lambda> 
    59038 logger.report_exception(preface=preface)) 
    59039 File
    59040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59041 packages/chimerax/core/logger.py", line 421, in report_exception 
    59042 elif probably_chimera1_session(exc_info): 
    59043 File
    59044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59045 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59046 etype, evalue, etraceback = exc_info 
    59047 TypeError: cannot unpack non-iterable NoneType object 
    59048  
    59049 TypeError: cannot unpack non-iterable NoneType object 
    59050  
    59051 File
    59052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59053 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59054 etype, evalue, etraceback = exc_info 
    59055  
    59056 See log for complete Python traceback. 
    59057  
    59058 Traceback (most recent call last): 
    59059 File
    59060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59061 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59062 return self._func(self._name, data) 
    59063 File
    59064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59065 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59066 if v.display: 
    59067 File
    59068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59069 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59070 return self._any_displayed_positions and len(self._positions) > 0 
    59071 TypeError: object of type 'NoneType' has no len() 
    59072  
    59073 During handling of the above exception, another exception occurred: 
    59074  
    59075 Traceback (most recent call last): 
    59076 File
    59077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59078 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59079 if not self.draw_new_frame(): 
    59080 File
    59081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59082 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59083 changed = view.check_for_drawing_change() 
    59084 File
    59085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59086 packages/chimerax/core/graphics/view.py", line 252, in
    59087 check_for_drawing_change 
    59088 trig.activate_trigger('graphics update', self) 
    59089 File
    59090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59091 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59092 trigger.activate(data) 
    59093 File
    59094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59095 packages/chimerax/core/triggerset.py", line 190, in activate 
    59096 ret = handler.invoke(data, self._remove_bad_handlers) 
    59097 File
    59098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59099 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59100 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59101 File
    59102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59103 packages/chimerax/core/session.py", line 943, in <lambda> 
    59104 logger.report_exception(preface=preface)) 
    59105 File
    59106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59107 packages/chimerax/core/logger.py", line 421, in report_exception 
    59108 elif probably_chimera1_session(exc_info): 
    59109 File
    59110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59111 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59112 etype, evalue, etraceback = exc_info 
    59113 TypeError: cannot unpack non-iterable NoneType object 
    59114  
    59115 TypeError: cannot unpack non-iterable NoneType object 
    59116  
    59117 File
    59118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59119 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59120 etype, evalue, etraceback = exc_info 
    59121  
    59122 See log for complete Python traceback. 
    59123  
    59124 Traceback (most recent call last): 
    59125 File
    59126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59127 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59128 return self._func(self._name, data) 
    59129 File
    59130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59131 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59132 if v.display: 
    59133 File
    59134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59135 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59136 return self._any_displayed_positions and len(self._positions) > 0 
    59137 TypeError: object of type 'NoneType' has no len() 
    59138  
    59139 During handling of the above exception, another exception occurred: 
    59140  
    59141 Traceback (most recent call last): 
    59142 File
    59143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59144 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59145 if not self.draw_new_frame(): 
    59146 File
    59147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59148 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59149 changed = view.check_for_drawing_change() 
    59150 File
    59151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59152 packages/chimerax/core/graphics/view.py", line 252, in
    59153 check_for_drawing_change 
    59154 trig.activate_trigger('graphics update', self) 
    59155 File
    59156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59157 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59158 trigger.activate(data) 
    59159 File
    59160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59161 packages/chimerax/core/triggerset.py", line 190, in activate 
    59162 ret = handler.invoke(data, self._remove_bad_handlers) 
    59163 File
    59164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59165 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59166 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59167 File
    59168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59169 packages/chimerax/core/session.py", line 943, in <lambda> 
    59170 logger.report_exception(preface=preface)) 
    59171 File
    59172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59173 packages/chimerax/core/logger.py", line 421, in report_exception 
    59174 elif probably_chimera1_session(exc_info): 
    59175 File
    59176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59177 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59178 etype, evalue, etraceback = exc_info 
    59179 TypeError: cannot unpack non-iterable NoneType object 
    59180  
    59181 TypeError: cannot unpack non-iterable NoneType object 
    59182  
    59183 File
    59184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59185 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59186 etype, evalue, etraceback = exc_info 
    59187  
    59188 See log for complete Python traceback. 
    59189  
    59190 Traceback (most recent call last): 
    59191 File
    59192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59193 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59194 return self._func(self._name, data) 
    59195 File
    59196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59197 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59198 if v.display: 
    59199 File
    59200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59201 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59202 return self._any_displayed_positions and len(self._positions) > 0 
    59203 TypeError: object of type 'NoneType' has no len() 
    59204  
    59205 During handling of the above exception, another exception occurred: 
    59206  
    59207 Traceback (most recent call last): 
    59208 File
    59209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59210 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59211 if not self.draw_new_frame(): 
    59212 File
    59213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59214 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59215 changed = view.check_for_drawing_change() 
    59216 File
    59217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59218 packages/chimerax/core/graphics/view.py", line 252, in
    59219 check_for_drawing_change 
    59220 trig.activate_trigger('graphics update', self) 
    59221 File
    59222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59223 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59224 trigger.activate(data) 
    59225 File
    59226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59227 packages/chimerax/core/triggerset.py", line 190, in activate 
    59228 ret = handler.invoke(data, self._remove_bad_handlers) 
    59229 File
    59230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59231 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59232 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59233 File
    59234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59235 packages/chimerax/core/session.py", line 943, in <lambda> 
    59236 logger.report_exception(preface=preface)) 
    59237 File
    59238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59239 packages/chimerax/core/logger.py", line 421, in report_exception 
    59240 elif probably_chimera1_session(exc_info): 
    59241 File
    59242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59243 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59244 etype, evalue, etraceback = exc_info 
    59245 TypeError: cannot unpack non-iterable NoneType object 
    59246  
    59247 TypeError: cannot unpack non-iterable NoneType object 
    59248  
    59249 File
    59250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59251 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59252 etype, evalue, etraceback = exc_info 
    59253  
    59254 See log for complete Python traceback. 
    59255  
    59256 Traceback (most recent call last): 
    59257 File
    59258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59259 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59260 return self._func(self._name, data) 
    59261 File
    59262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59263 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59264 if v.display: 
    59265 File
    59266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59267 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59268 return self._any_displayed_positions and len(self._positions) > 0 
    59269 TypeError: object of type 'NoneType' has no len() 
    59270  
    59271 During handling of the above exception, another exception occurred: 
    59272  
    59273 Traceback (most recent call last): 
    59274 File
    59275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59276 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59277 if not self.draw_new_frame(): 
    59278 File
    59279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59280 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59281 changed = view.check_for_drawing_change() 
    59282 File
    59283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59284 packages/chimerax/core/graphics/view.py", line 252, in
    59285 check_for_drawing_change 
    59286 trig.activate_trigger('graphics update', self) 
    59287 File
    59288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59289 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59290 trigger.activate(data) 
    59291 File
    59292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59293 packages/chimerax/core/triggerset.py", line 190, in activate 
    59294 ret = handler.invoke(data, self._remove_bad_handlers) 
    59295 File
    59296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59297 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59298 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59299 File
    59300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59301 packages/chimerax/core/session.py", line 943, in <lambda> 
    59302 logger.report_exception(preface=preface)) 
    59303 File
    59304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59305 packages/chimerax/core/logger.py", line 421, in report_exception 
    59306 elif probably_chimera1_session(exc_info): 
    59307 File
    59308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59309 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59310 etype, evalue, etraceback = exc_info 
    59311 TypeError: cannot unpack non-iterable NoneType object 
    59312  
    59313 TypeError: cannot unpack non-iterable NoneType object 
    59314  
    59315 File
    59316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59317 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59318 etype, evalue, etraceback = exc_info 
    59319  
    59320 See log for complete Python traceback. 
    59321  
    59322 Traceback (most recent call last): 
    59323 File
    59324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59325 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59326 return self._func(self._name, data) 
    59327 File
    59328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59329 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59330 if v.display: 
    59331 File
    59332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59333 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59334 return self._any_displayed_positions and len(self._positions) > 0 
    59335 TypeError: object of type 'NoneType' has no len() 
    59336  
    59337 During handling of the above exception, another exception occurred: 
    59338  
    59339 Traceback (most recent call last): 
    59340 File
    59341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59342 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59343 if not self.draw_new_frame(): 
    59344 File
    59345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59346 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59347 changed = view.check_for_drawing_change() 
    59348 File
    59349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59350 packages/chimerax/core/graphics/view.py", line 252, in
    59351 check_for_drawing_change 
    59352 trig.activate_trigger('graphics update', self) 
    59353 File
    59354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59355 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59356 trigger.activate(data) 
    59357 File
    59358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59359 packages/chimerax/core/triggerset.py", line 190, in activate 
    59360 ret = handler.invoke(data, self._remove_bad_handlers) 
    59361 File
    59362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59363 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59364 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59365 File
    59366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59367 packages/chimerax/core/session.py", line 943, in <lambda> 
    59368 logger.report_exception(preface=preface)) 
    59369 File
    59370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59371 packages/chimerax/core/logger.py", line 421, in report_exception 
    59372 elif probably_chimera1_session(exc_info): 
    59373 File
    59374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59375 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59376 etype, evalue, etraceback = exc_info 
    59377 TypeError: cannot unpack non-iterable NoneType object 
    59378  
    59379 TypeError: cannot unpack non-iterable NoneType object 
    59380  
    59381 File
    59382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59383 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59384 etype, evalue, etraceback = exc_info 
    59385  
    59386 See log for complete Python traceback. 
    59387  
    59388 Traceback (most recent call last): 
    59389 File
    59390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59391 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59392 return self._func(self._name, data) 
    59393 File
    59394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59395 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59396 if v.display: 
    59397 File
    59398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59399 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59400 return self._any_displayed_positions and len(self._positions) > 0 
    59401 TypeError: object of type 'NoneType' has no len() 
    59402  
    59403 During handling of the above exception, another exception occurred: 
    59404  
    59405 Traceback (most recent call last): 
    59406 File
    59407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59408 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59409 if not self.draw_new_frame(): 
    59410 File
    59411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59412 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59413 changed = view.check_for_drawing_change() 
    59414 File
    59415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59416 packages/chimerax/core/graphics/view.py", line 252, in
    59417 check_for_drawing_change 
    59418 trig.activate_trigger('graphics update', self) 
    59419 File
    59420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59421 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59422 trigger.activate(data) 
    59423 File
    59424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59425 packages/chimerax/core/triggerset.py", line 190, in activate 
    59426 ret = handler.invoke(data, self._remove_bad_handlers) 
    59427 File
    59428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59429 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59430 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59431 File
    59432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59433 packages/chimerax/core/session.py", line 943, in <lambda> 
    59434 logger.report_exception(preface=preface)) 
    59435 File
    59436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59437 packages/chimerax/core/logger.py", line 421, in report_exception 
    59438 elif probably_chimera1_session(exc_info): 
    59439 File
    59440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59441 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59442 etype, evalue, etraceback = exc_info 
    59443 TypeError: cannot unpack non-iterable NoneType object 
    59444  
    59445 TypeError: cannot unpack non-iterable NoneType object 
    59446  
    59447 File
    59448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59449 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59450 etype, evalue, etraceback = exc_info 
    59451  
    59452 See log for complete Python traceback. 
    59453  
    59454 Traceback (most recent call last): 
    59455 File
    59456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59457 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59458 return self._func(self._name, data) 
    59459 File
    59460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59461 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59462 if v.display: 
    59463 File
    59464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59465 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59466 return self._any_displayed_positions and len(self._positions) > 0 
    59467 TypeError: object of type 'NoneType' has no len() 
    59468  
    59469 During handling of the above exception, another exception occurred: 
    59470  
    59471 Traceback (most recent call last): 
    59472 File
    59473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59474 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59475 if not self.draw_new_frame(): 
    59476 File
    59477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59478 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59479 changed = view.check_for_drawing_change() 
    59480 File
    59481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59482 packages/chimerax/core/graphics/view.py", line 252, in
    59483 check_for_drawing_change 
    59484 trig.activate_trigger('graphics update', self) 
    59485 File
    59486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59487 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59488 trigger.activate(data) 
    59489 File
    59490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59491 packages/chimerax/core/triggerset.py", line 190, in activate 
    59492 ret = handler.invoke(data, self._remove_bad_handlers) 
    59493 File
    59494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59495 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59496 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59497 File
    59498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59499 packages/chimerax/core/session.py", line 943, in <lambda> 
    59500 logger.report_exception(preface=preface)) 
    59501 File
    59502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59503 packages/chimerax/core/logger.py", line 421, in report_exception 
    59504 elif probably_chimera1_session(exc_info): 
    59505 File
    59506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59507 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59508 etype, evalue, etraceback = exc_info 
    59509 TypeError: cannot unpack non-iterable NoneType object 
    59510  
    59511 TypeError: cannot unpack non-iterable NoneType object 
    59512  
    59513 File
    59514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59515 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59516 etype, evalue, etraceback = exc_info 
    59517  
    59518 See log for complete Python traceback. 
    59519  
    59520 Traceback (most recent call last): 
    59521 File
    59522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59523 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59524 return self._func(self._name, data) 
    59525 File
    59526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59527 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59528 if v.display: 
    59529 File
    59530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59531 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59532 return self._any_displayed_positions and len(self._positions) > 0 
    59533 TypeError: object of type 'NoneType' has no len() 
    59534  
    59535 During handling of the above exception, another exception occurred: 
    59536  
    59537 Traceback (most recent call last): 
    59538 File
    59539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59540 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59541 if not self.draw_new_frame(): 
    59542 File
    59543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59544 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59545 changed = view.check_for_drawing_change() 
    59546 File
    59547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59548 packages/chimerax/core/graphics/view.py", line 252, in
    59549 check_for_drawing_change 
    59550 trig.activate_trigger('graphics update', self) 
    59551 File
    59552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59553 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59554 trigger.activate(data) 
    59555 File
    59556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59557 packages/chimerax/core/triggerset.py", line 190, in activate 
    59558 ret = handler.invoke(data, self._remove_bad_handlers) 
    59559 File
    59560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59561 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59562 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59563 File
    59564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59565 packages/chimerax/core/session.py", line 943, in <lambda> 
    59566 logger.report_exception(preface=preface)) 
    59567 File
    59568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59569 packages/chimerax/core/logger.py", line 421, in report_exception 
    59570 elif probably_chimera1_session(exc_info): 
    59571 File
    59572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59573 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59574 etype, evalue, etraceback = exc_info 
    59575 TypeError: cannot unpack non-iterable NoneType object 
    59576  
    59577 TypeError: cannot unpack non-iterable NoneType object 
    59578  
    59579 File
    59580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59581 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59582 etype, evalue, etraceback = exc_info 
    59583  
    59584 See log for complete Python traceback. 
    59585  
    59586 Traceback (most recent call last): 
    59587 File
    59588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59589 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59590 return self._func(self._name, data) 
    59591 File
    59592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59593 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59594 if v.display: 
    59595 File
    59596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59597 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59598 return self._any_displayed_positions and len(self._positions) > 0 
    59599 TypeError: object of type 'NoneType' has no len() 
    59600  
    59601 During handling of the above exception, another exception occurred: 
    59602  
    59603 Traceback (most recent call last): 
    59604 File
    59605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59606 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59607 if not self.draw_new_frame(): 
    59608 File
    59609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59610 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59611 changed = view.check_for_drawing_change() 
    59612 File
    59613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59614 packages/chimerax/core/graphics/view.py", line 252, in
    59615 check_for_drawing_change 
    59616 trig.activate_trigger('graphics update', self) 
    59617 File
    59618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59619 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59620 trigger.activate(data) 
    59621 File
    59622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59623 packages/chimerax/core/triggerset.py", line 190, in activate 
    59624 ret = handler.invoke(data, self._remove_bad_handlers) 
    59625 File
    59626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59627 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59628 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59629 File
    59630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59631 packages/chimerax/core/session.py", line 943, in <lambda> 
    59632 logger.report_exception(preface=preface)) 
    59633 File
    59634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59635 packages/chimerax/core/logger.py", line 421, in report_exception 
    59636 elif probably_chimera1_session(exc_info): 
    59637 File
    59638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59639 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59640 etype, evalue, etraceback = exc_info 
    59641 TypeError: cannot unpack non-iterable NoneType object 
    59642  
    59643 TypeError: cannot unpack non-iterable NoneType object 
    59644  
    59645 File
    59646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59647 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59648 etype, evalue, etraceback = exc_info 
    59649  
    59650 See log for complete Python traceback. 
    59651  
    59652 Traceback (most recent call last): 
    59653 File
    59654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59655 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59656 return self._func(self._name, data) 
    59657 File
    59658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59659 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59660 if v.display: 
    59661 File
    59662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59663 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59664 return self._any_displayed_positions and len(self._positions) > 0 
    59665 TypeError: object of type 'NoneType' has no len() 
    59666  
    59667 During handling of the above exception, another exception occurred: 
    59668  
    59669 Traceback (most recent call last): 
    59670 File
    59671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59672 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59673 if not self.draw_new_frame(): 
    59674 File
    59675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59676 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59677 changed = view.check_for_drawing_change() 
    59678 File
    59679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59680 packages/chimerax/core/graphics/view.py", line 252, in
    59681 check_for_drawing_change 
    59682 trig.activate_trigger('graphics update', self) 
    59683 File
    59684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59685 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59686 trigger.activate(data) 
    59687 File
    59688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59689 packages/chimerax/core/triggerset.py", line 190, in activate 
    59690 ret = handler.invoke(data, self._remove_bad_handlers) 
    59691 File
    59692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59693 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59694 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59695 File
    59696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59697 packages/chimerax/core/session.py", line 943, in <lambda> 
    59698 logger.report_exception(preface=preface)) 
    59699 File
    59700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59701 packages/chimerax/core/logger.py", line 421, in report_exception 
    59702 elif probably_chimera1_session(exc_info): 
    59703 File
    59704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59705 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59706 etype, evalue, etraceback = exc_info 
    59707 TypeError: cannot unpack non-iterable NoneType object 
    59708  
    59709 TypeError: cannot unpack non-iterable NoneType object 
    59710  
    59711 File
    59712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59713 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59714 etype, evalue, etraceback = exc_info 
    59715  
    59716 See log for complete Python traceback. 
    59717  
    59718 Traceback (most recent call last): 
    59719 File
    59720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59721 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59722 return self._func(self._name, data) 
    59723 File
    59724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59725 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59726 if v.display: 
    59727 File
    59728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59729 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59730 return self._any_displayed_positions and len(self._positions) > 0 
    59731 TypeError: object of type 'NoneType' has no len() 
    59732  
    59733 During handling of the above exception, another exception occurred: 
    59734  
    59735 Traceback (most recent call last): 
    59736 File
    59737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59738 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59739 if not self.draw_new_frame(): 
    59740 File
    59741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59742 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59743 changed = view.check_for_drawing_change() 
    59744 File
    59745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59746 packages/chimerax/core/graphics/view.py", line 252, in
    59747 check_for_drawing_change 
    59748 trig.activate_trigger('graphics update', self) 
    59749 File
    59750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59751 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59752 trigger.activate(data) 
    59753 File
    59754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59755 packages/chimerax/core/triggerset.py", line 190, in activate 
    59756 ret = handler.invoke(data, self._remove_bad_handlers) 
    59757 File
    59758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59759 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59760 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59761 File
    59762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59763 packages/chimerax/core/session.py", line 943, in <lambda> 
    59764 logger.report_exception(preface=preface)) 
    59765 File
    59766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59767 packages/chimerax/core/logger.py", line 421, in report_exception 
    59768 elif probably_chimera1_session(exc_info): 
    59769 File
    59770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59771 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59772 etype, evalue, etraceback = exc_info 
    59773 TypeError: cannot unpack non-iterable NoneType object 
    59774  
    59775 TypeError: cannot unpack non-iterable NoneType object 
    59776  
    59777 File
    59778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59779 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59780 etype, evalue, etraceback = exc_info 
    59781  
    59782 See log for complete Python traceback. 
    59783  
    59784 Traceback (most recent call last): 
    59785 File
    59786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59787 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59788 return self._func(self._name, data) 
    59789 File
    59790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59791 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59792 if v.display: 
    59793 File
    59794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59795 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59796 return self._any_displayed_positions and len(self._positions) > 0 
    59797 TypeError: object of type 'NoneType' has no len() 
    59798  
    59799 During handling of the above exception, another exception occurred: 
    59800  
    59801 Traceback (most recent call last): 
    59802 File
    59803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59804 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59805 if not self.draw_new_frame(): 
    59806 File
    59807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59808 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59809 changed = view.check_for_drawing_change() 
    59810 File
    59811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59812 packages/chimerax/core/graphics/view.py", line 252, in
    59813 check_for_drawing_change 
    59814 trig.activate_trigger('graphics update', self) 
    59815 File
    59816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59817 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59818 trigger.activate(data) 
    59819 File
    59820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59821 packages/chimerax/core/triggerset.py", line 190, in activate 
    59822 ret = handler.invoke(data, self._remove_bad_handlers) 
    59823 File
    59824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59825 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59826 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59827 File
    59828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59829 packages/chimerax/core/session.py", line 943, in <lambda> 
    59830 logger.report_exception(preface=preface)) 
    59831 File
    59832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59833 packages/chimerax/core/logger.py", line 421, in report_exception 
    59834 elif probably_chimera1_session(exc_info): 
    59835 File
    59836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59837 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59838 etype, evalue, etraceback = exc_info 
    59839 TypeError: cannot unpack non-iterable NoneType object 
    59840  
    59841 TypeError: cannot unpack non-iterable NoneType object 
    59842  
    59843 File
    59844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59845 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59846 etype, evalue, etraceback = exc_info 
    59847  
    59848 See log for complete Python traceback. 
    59849  
    59850 Traceback (most recent call last): 
    59851 File
    59852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59853 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59854 return self._func(self._name, data) 
    59855 File
    59856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59857 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59858 if v.display: 
    59859 File
    59860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59861 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59862 return self._any_displayed_positions and len(self._positions) > 0 
    59863 TypeError: object of type 'NoneType' has no len() 
    59864  
    59865 During handling of the above exception, another exception occurred: 
    59866  
    59867 Traceback (most recent call last): 
    59868 File
    59869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59870 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59871 if not self.draw_new_frame(): 
    59872 File
    59873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59874 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59875 changed = view.check_for_drawing_change() 
    59876 File
    59877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59878 packages/chimerax/core/graphics/view.py", line 252, in
    59879 check_for_drawing_change 
    59880 trig.activate_trigger('graphics update', self) 
    59881 File
    59882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59883 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59884 trigger.activate(data) 
    59885 File
    59886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59887 packages/chimerax/core/triggerset.py", line 190, in activate 
    59888 ret = handler.invoke(data, self._remove_bad_handlers) 
    59889 File
    59890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59891 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59892 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59893 File
    59894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59895 packages/chimerax/core/session.py", line 943, in <lambda> 
    59896 logger.report_exception(preface=preface)) 
    59897 File
    59898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59899 packages/chimerax/core/logger.py", line 421, in report_exception 
    59900 elif probably_chimera1_session(exc_info): 
    59901 File
    59902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59903 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59904 etype, evalue, etraceback = exc_info 
    59905 TypeError: cannot unpack non-iterable NoneType object 
    59906  
    59907 TypeError: cannot unpack non-iterable NoneType object 
    59908  
    59909 File
    59910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59911 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59912 etype, evalue, etraceback = exc_info 
    59913  
    59914 See log for complete Python traceback. 
    59915  
    59916 Traceback (most recent call last): 
    59917 File
    59918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59919 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59920 return self._func(self._name, data) 
    59921 File
    59922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59923 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59924 if v.display: 
    59925 File
    59926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59927 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59928 return self._any_displayed_positions and len(self._positions) > 0 
    59929 TypeError: object of type 'NoneType' has no len() 
    59930  
    59931 During handling of the above exception, another exception occurred: 
    59932  
    59933 Traceback (most recent call last): 
    59934 File
    59935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59936 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59937 if not self.draw_new_frame(): 
    59938 File
    59939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59940 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59941 changed = view.check_for_drawing_change() 
    59942 File
    59943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59944 packages/chimerax/core/graphics/view.py", line 252, in
    59945 check_for_drawing_change 
    59946 trig.activate_trigger('graphics update', self) 
    59947 File
    59948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59949 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59950 trigger.activate(data) 
    59951 File
    59952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59953 packages/chimerax/core/triggerset.py", line 190, in activate 
    59954 ret = handler.invoke(data, self._remove_bad_handlers) 
    59955 File
    59956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59957 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59958 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59959 File
    59960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59961 packages/chimerax/core/session.py", line 943, in <lambda> 
    59962 logger.report_exception(preface=preface)) 
    59963 File
    59964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59965 packages/chimerax/core/logger.py", line 421, in report_exception 
    59966 elif probably_chimera1_session(exc_info): 
    59967 File
    59968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59969 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59970 etype, evalue, etraceback = exc_info 
    59971 TypeError: cannot unpack non-iterable NoneType object 
    59972  
    59973 TypeError: cannot unpack non-iterable NoneType object 
    59974  
    59975 File
    59976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59977 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59978 etype, evalue, etraceback = exc_info 
    59979  
    59980 See log for complete Python traceback. 
    59981  
    59982 Traceback (most recent call last): 
    59983 File
    59984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59985 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59986 return self._func(self._name, data) 
    59987 File
    59988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59989 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59990 if v.display: 
    59991 File
    59992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59993 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59994 return self._any_displayed_positions and len(self._positions) > 0 
    59995 TypeError: object of type 'NoneType' has no len() 
    59996  
    59997 During handling of the above exception, another exception occurred: 
    59998  
    59999 Traceback (most recent call last): 
    60000 File
    60001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60002 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60003 if not self.draw_new_frame(): 
    60004 File
    60005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60006 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60007 changed = view.check_for_drawing_change() 
    60008 File
    60009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60010 packages/chimerax/core/graphics/view.py", line 252, in
    60011 check_for_drawing_change 
    60012 trig.activate_trigger('graphics update', self) 
    60013 File
    60014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60015 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60016 trigger.activate(data) 
    60017 File
    60018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60019 packages/chimerax/core/triggerset.py", line 190, in activate 
    60020 ret = handler.invoke(data, self._remove_bad_handlers) 
    60021 File
    60022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60023 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60024 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60025 File
    60026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60027 packages/chimerax/core/session.py", line 943, in <lambda> 
    60028 logger.report_exception(preface=preface)) 
    60029 File
    60030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60031 packages/chimerax/core/logger.py", line 421, in report_exception 
    60032 elif probably_chimera1_session(exc_info): 
    60033 File
    60034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60035 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60036 etype, evalue, etraceback = exc_info 
    60037 TypeError: cannot unpack non-iterable NoneType object 
    60038  
    60039 TypeError: cannot unpack non-iterable NoneType object 
    60040  
    60041 File
    60042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60043 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60044 etype, evalue, etraceback = exc_info 
    60045  
    60046 See log for complete Python traceback. 
    60047  
    60048 Traceback (most recent call last): 
    60049 File
    60050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60051 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60052 return self._func(self._name, data) 
    60053 File
    60054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60055 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60056 if v.display: 
    60057 File
    60058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60059 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60060 return self._any_displayed_positions and len(self._positions) > 0 
    60061 TypeError: object of type 'NoneType' has no len() 
    60062  
    60063 During handling of the above exception, another exception occurred: 
    60064  
    60065 Traceback (most recent call last): 
    60066 File
    60067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60068 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60069 if not self.draw_new_frame(): 
    60070 File
    60071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60072 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60073 changed = view.check_for_drawing_change() 
    60074 File
    60075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60076 packages/chimerax/core/graphics/view.py", line 252, in
    60077 check_for_drawing_change 
    60078 trig.activate_trigger('graphics update', self) 
    60079 File
    60080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60081 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60082 trigger.activate(data) 
    60083 File
    60084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60085 packages/chimerax/core/triggerset.py", line 190, in activate 
    60086 ret = handler.invoke(data, self._remove_bad_handlers) 
    60087 File
    60088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60089 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60090 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60091 File
    60092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60093 packages/chimerax/core/session.py", line 943, in <lambda> 
    60094 logger.report_exception(preface=preface)) 
    60095 File
    60096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60097 packages/chimerax/core/logger.py", line 421, in report_exception 
    60098 elif probably_chimera1_session(exc_info): 
    60099 File
    60100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60101 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60102 etype, evalue, etraceback = exc_info 
    60103 TypeError: cannot unpack non-iterable NoneType object 
    60104  
    60105 TypeError: cannot unpack non-iterable NoneType object 
    60106  
    60107 File
    60108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60109 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60110 etype, evalue, etraceback = exc_info 
    60111  
    60112 See log for complete Python traceback. 
    60113  
    60114 Traceback (most recent call last): 
    60115 File
    60116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60117 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60118 return self._func(self._name, data) 
    60119 File
    60120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60121 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60122 if v.display: 
    60123 File
    60124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60125 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60126 return self._any_displayed_positions and len(self._positions) > 0 
    60127 TypeError: object of type 'NoneType' has no len() 
    60128  
    60129 During handling of the above exception, another exception occurred: 
    60130  
    60131 Traceback (most recent call last): 
    60132 File
    60133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60134 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60135 if not self.draw_new_frame(): 
    60136 File
    60137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60138 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60139 changed = view.check_for_drawing_change() 
    60140 File
    60141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60142 packages/chimerax/core/graphics/view.py", line 252, in
    60143 check_for_drawing_change 
    60144 trig.activate_trigger('graphics update', self) 
    60145 File
    60146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60147 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60148 trigger.activate(data) 
    60149 File
    60150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60151 packages/chimerax/core/triggerset.py", line 190, in activate 
    60152 ret = handler.invoke(data, self._remove_bad_handlers) 
    60153 File
    60154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60155 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60156 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60157 File
    60158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60159 packages/chimerax/core/session.py", line 943, in <lambda> 
    60160 logger.report_exception(preface=preface)) 
    60161 File
    60162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60163 packages/chimerax/core/logger.py", line 421, in report_exception 
    60164 elif probably_chimera1_session(exc_info): 
    60165 File
    60166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60167 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60168 etype, evalue, etraceback = exc_info 
    60169 TypeError: cannot unpack non-iterable NoneType object 
    60170  
    60171 TypeError: cannot unpack non-iterable NoneType object 
    60172  
    60173 File
    60174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60175 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60176 etype, evalue, etraceback = exc_info 
    60177  
    60178 See log for complete Python traceback. 
    60179  
    60180 Traceback (most recent call last): 
    60181 File
    60182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60183 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60184 return self._func(self._name, data) 
    60185 File
    60186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60187 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60188 if v.display: 
    60189 File
    60190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60191 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60192 return self._any_displayed_positions and len(self._positions) > 0 
    60193 TypeError: object of type 'NoneType' has no len() 
    60194  
    60195 During handling of the above exception, another exception occurred: 
    60196  
    60197 Traceback (most recent call last): 
    60198 File
    60199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60200 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60201 if not self.draw_new_frame(): 
    60202 File
    60203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60204 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60205 changed = view.check_for_drawing_change() 
    60206 File
    60207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60208 packages/chimerax/core/graphics/view.py", line 252, in
    60209 check_for_drawing_change 
    60210 trig.activate_trigger('graphics update', self) 
    60211 File
    60212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60213 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60214 trigger.activate(data) 
    60215 File
    60216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60217 packages/chimerax/core/triggerset.py", line 190, in activate 
    60218 ret = handler.invoke(data, self._remove_bad_handlers) 
    60219 File
    60220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60221 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60222 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60223 File
    60224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60225 packages/chimerax/core/session.py", line 943, in <lambda> 
    60226 logger.report_exception(preface=preface)) 
    60227 File
    60228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60229 packages/chimerax/core/logger.py", line 421, in report_exception 
    60230 elif probably_chimera1_session(exc_info): 
    60231 File
    60232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60233 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60234 etype, evalue, etraceback = exc_info 
    60235 TypeError: cannot unpack non-iterable NoneType object 
    60236  
    60237 TypeError: cannot unpack non-iterable NoneType object 
    60238  
    60239 File
    60240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60241 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60242 etype, evalue, etraceback = exc_info 
    60243  
    60244 See log for complete Python traceback. 
    60245  
    60246 Traceback (most recent call last): 
    60247 File
    60248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60249 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60250 return self._func(self._name, data) 
    60251 File
    60252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60253 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60254 if v.display: 
    60255 File
    60256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60257 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60258 return self._any_displayed_positions and len(self._positions) > 0 
    60259 TypeError: object of type 'NoneType' has no len() 
    60260  
    60261 During handling of the above exception, another exception occurred: 
    60262  
    60263 Traceback (most recent call last): 
    60264 File
    60265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60266 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60267 if not self.draw_new_frame(): 
    60268 File
    60269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60270 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60271 changed = view.check_for_drawing_change() 
    60272 File
    60273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60274 packages/chimerax/core/graphics/view.py", line 252, in
    60275 check_for_drawing_change 
    60276 trig.activate_trigger('graphics update', self) 
    60277 File
    60278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60279 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60280 trigger.activate(data) 
    60281 File
    60282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60283 packages/chimerax/core/triggerset.py", line 190, in activate 
    60284 ret = handler.invoke(data, self._remove_bad_handlers) 
    60285 File
    60286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60287 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60288 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60289 File
    60290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60291 packages/chimerax/core/session.py", line 943, in <lambda> 
    60292 logger.report_exception(preface=preface)) 
    60293 File
    60294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60295 packages/chimerax/core/logger.py", line 421, in report_exception 
    60296 elif probably_chimera1_session(exc_info): 
    60297 File
    60298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60299 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60300 etype, evalue, etraceback = exc_info 
    60301 TypeError: cannot unpack non-iterable NoneType object 
    60302  
    60303 TypeError: cannot unpack non-iterable NoneType object 
    60304  
    60305 File
    60306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60307 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60308 etype, evalue, etraceback = exc_info 
    60309  
    60310 See log for complete Python traceback. 
    60311  
    60312 Traceback (most recent call last): 
    60313 File
    60314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60315 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60316 return self._func(self._name, data) 
    60317 File
    60318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60319 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60320 if v.display: 
    60321 File
    60322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60323 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60324 return self._any_displayed_positions and len(self._positions) > 0 
    60325 TypeError: object of type 'NoneType' has no len() 
    60326  
    60327 During handling of the above exception, another exception occurred: 
    60328  
    60329 Traceback (most recent call last): 
    60330 File
    60331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60332 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60333 if not self.draw_new_frame(): 
    60334 File
    60335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60336 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60337 changed = view.check_for_drawing_change() 
    60338 File
    60339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60340 packages/chimerax/core/graphics/view.py", line 252, in
    60341 check_for_drawing_change 
    60342 trig.activate_trigger('graphics update', self) 
    60343 File
    60344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60345 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60346 trigger.activate(data) 
    60347 File
    60348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60349 packages/chimerax/core/triggerset.py", line 190, in activate 
    60350 ret = handler.invoke(data, self._remove_bad_handlers) 
    60351 File
    60352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60353 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60354 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60355 File
    60356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60357 packages/chimerax/core/session.py", line 943, in <lambda> 
    60358 logger.report_exception(preface=preface)) 
    60359 File
    60360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60361 packages/chimerax/core/logger.py", line 421, in report_exception 
    60362 elif probably_chimera1_session(exc_info): 
    60363 File
    60364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60365 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60366 etype, evalue, etraceback = exc_info 
    60367 TypeError: cannot unpack non-iterable NoneType object 
    60368  
    60369 TypeError: cannot unpack non-iterable NoneType object 
    60370  
    60371 File
    60372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60373 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60374 etype, evalue, etraceback = exc_info 
    60375  
    60376 See log for complete Python traceback. 
    60377  
    60378 Traceback (most recent call last): 
    60379 File
    60380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60381 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60382 return self._func(self._name, data) 
    60383 File
    60384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60385 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60386 if v.display: 
    60387 File
    60388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60389 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60390 return self._any_displayed_positions and len(self._positions) > 0 
    60391 TypeError: object of type 'NoneType' has no len() 
    60392  
    60393 During handling of the above exception, another exception occurred: 
    60394  
    60395 Traceback (most recent call last): 
    60396 File
    60397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60398 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60399 if not self.draw_new_frame(): 
    60400 File
    60401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60402 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60403 changed = view.check_for_drawing_change() 
    60404 File
    60405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60406 packages/chimerax/core/graphics/view.py", line 252, in
    60407 check_for_drawing_change 
    60408 trig.activate_trigger('graphics update', self) 
    60409 File
    60410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60411 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60412 trigger.activate(data) 
    60413 File
    60414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60415 packages/chimerax/core/triggerset.py", line 190, in activate 
    60416 ret = handler.invoke(data, self._remove_bad_handlers) 
    60417 File
    60418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60419 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60420 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60421 File
    60422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60423 packages/chimerax/core/session.py", line 943, in <lambda> 
    60424 logger.report_exception(preface=preface)) 
    60425 File
    60426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60427 packages/chimerax/core/logger.py", line 421, in report_exception 
    60428 elif probably_chimera1_session(exc_info): 
    60429 File
    60430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60431 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60432 etype, evalue, etraceback = exc_info 
    60433 TypeError: cannot unpack non-iterable NoneType object 
    60434  
    60435 TypeError: cannot unpack non-iterable NoneType object 
    60436  
    60437 File
    60438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60439 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60440 etype, evalue, etraceback = exc_info 
    60441  
    60442 See log for complete Python traceback. 
    60443  
    60444 Traceback (most recent call last): 
    60445 File
    60446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60447 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60448 return self._func(self._name, data) 
    60449 File
    60450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60451 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60452 if v.display: 
    60453 File
    60454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60455 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60456 return self._any_displayed_positions and len(self._positions) > 0 
    60457 TypeError: object of type 'NoneType' has no len() 
    60458  
    60459 During handling of the above exception, another exception occurred: 
    60460  
    60461 Traceback (most recent call last): 
    60462 File
    60463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60464 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60465 if not self.draw_new_frame(): 
    60466 File
    60467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60468 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60469 changed = view.check_for_drawing_change() 
    60470 File
    60471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60472 packages/chimerax/core/graphics/view.py", line 252, in
    60473 check_for_drawing_change 
    60474 trig.activate_trigger('graphics update', self) 
    60475 File
    60476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60477 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60478 trigger.activate(data) 
    60479 File
    60480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60481 packages/chimerax/core/triggerset.py", line 190, in activate 
    60482 ret = handler.invoke(data, self._remove_bad_handlers) 
    60483 File
    60484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60485 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60486 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60487 File
    60488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60489 packages/chimerax/core/session.py", line 943, in <lambda> 
    60490 logger.report_exception(preface=preface)) 
    60491 File
    60492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60493 packages/chimerax/core/logger.py", line 421, in report_exception 
    60494 elif probably_chimera1_session(exc_info): 
    60495 File
    60496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60497 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60498 etype, evalue, etraceback = exc_info 
    60499 TypeError: cannot unpack non-iterable NoneType object 
    60500  
    60501 TypeError: cannot unpack non-iterable NoneType object 
    60502  
    60503 File
    60504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60505 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60506 etype, evalue, etraceback = exc_info 
    60507  
    60508 See log for complete Python traceback. 
    60509  
    60510 Traceback (most recent call last): 
    60511 File
    60512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60513 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60514 return self._func(self._name, data) 
    60515 File
    60516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60517 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60518 if v.display: 
    60519 File
    60520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60521 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60522 return self._any_displayed_positions and len(self._positions) > 0 
    60523 TypeError: object of type 'NoneType' has no len() 
    60524  
    60525 During handling of the above exception, another exception occurred: 
    60526  
    60527 Traceback (most recent call last): 
    60528 File
    60529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60530 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60531 if not self.draw_new_frame(): 
    60532 File
    60533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60534 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60535 changed = view.check_for_drawing_change() 
    60536 File
    60537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60538 packages/chimerax/core/graphics/view.py", line 252, in
    60539 check_for_drawing_change 
    60540 trig.activate_trigger('graphics update', self) 
    60541 File
    60542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60543 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60544 trigger.activate(data) 
    60545 File
    60546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60547 packages/chimerax/core/triggerset.py", line 190, in activate 
    60548 ret = handler.invoke(data, self._remove_bad_handlers) 
    60549 File
    60550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60551 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60552 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60553 File
    60554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60555 packages/chimerax/core/session.py", line 943, in <lambda> 
    60556 logger.report_exception(preface=preface)) 
    60557 File
    60558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60559 packages/chimerax/core/logger.py", line 421, in report_exception 
    60560 elif probably_chimera1_session(exc_info): 
    60561 File
    60562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60563 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60564 etype, evalue, etraceback = exc_info 
    60565 TypeError: cannot unpack non-iterable NoneType object 
    60566  
    60567 TypeError: cannot unpack non-iterable NoneType object 
    60568  
    60569 File
    60570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60571 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60572 etype, evalue, etraceback = exc_info 
    60573  
    60574 See log for complete Python traceback. 
    60575  
    60576 Traceback (most recent call last): 
    60577 File
    60578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60579 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60580 return self._func(self._name, data) 
    60581 File
    60582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60583 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60584 if v.display: 
    60585 File
    60586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60587 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60588 return self._any_displayed_positions and len(self._positions) > 0 
    60589 TypeError: object of type 'NoneType' has no len() 
    60590  
    60591 During handling of the above exception, another exception occurred: 
    60592  
    60593 Traceback (most recent call last): 
    60594 File
    60595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60596 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60597 if not self.draw_new_frame(): 
    60598 File
    60599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60600 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60601 changed = view.check_for_drawing_change() 
    60602 File
    60603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60604 packages/chimerax/core/graphics/view.py", line 252, in
    60605 check_for_drawing_change 
    60606 trig.activate_trigger('graphics update', self) 
    60607 File
    60608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60609 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60610 trigger.activate(data) 
    60611 File
    60612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60613 packages/chimerax/core/triggerset.py", line 190, in activate 
    60614 ret = handler.invoke(data, self._remove_bad_handlers) 
    60615 File
    60616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60617 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60618 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60619 File
    60620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60621 packages/chimerax/core/session.py", line 943, in <lambda> 
    60622 logger.report_exception(preface=preface)) 
    60623 File
    60624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60625 packages/chimerax/core/logger.py", line 421, in report_exception 
    60626 elif probably_chimera1_session(exc_info): 
    60627 File
    60628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60629 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60630 etype, evalue, etraceback = exc_info 
    60631 TypeError: cannot unpack non-iterable NoneType object 
    60632  
    60633 TypeError: cannot unpack non-iterable NoneType object 
    60634  
    60635 File
    60636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60637 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60638 etype, evalue, etraceback = exc_info 
    60639  
    60640 See log for complete Python traceback. 
    60641  
    60642 Traceback (most recent call last): 
    60643 File
    60644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60645 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60646 return self._func(self._name, data) 
    60647 File
    60648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60649 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60650 if v.display: 
    60651 File
    60652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60653 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60654 return self._any_displayed_positions and len(self._positions) > 0 
    60655 TypeError: object of type 'NoneType' has no len() 
    60656  
    60657 During handling of the above exception, another exception occurred: 
    60658  
    60659 Traceback (most recent call last): 
    60660 File
    60661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60662 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60663 if not self.draw_new_frame(): 
    60664 File
    60665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60666 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60667 changed = view.check_for_drawing_change() 
    60668 File
    60669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60670 packages/chimerax/core/graphics/view.py", line 252, in
    60671 check_for_drawing_change 
    60672 trig.activate_trigger('graphics update', self) 
    60673 File
    60674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60675 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60676 trigger.activate(data) 
    60677 File
    60678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60679 packages/chimerax/core/triggerset.py", line 190, in activate 
    60680 ret = handler.invoke(data, self._remove_bad_handlers) 
    60681 File
    60682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60683 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60684 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60685 File
    60686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60687 packages/chimerax/core/session.py", line 943, in <lambda> 
    60688 logger.report_exception(preface=preface)) 
    60689 File
    60690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60691 packages/chimerax/core/logger.py", line 421, in report_exception 
    60692 elif probably_chimera1_session(exc_info): 
    60693 File
    60694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60695 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60696 etype, evalue, etraceback = exc_info 
    60697 TypeError: cannot unpack non-iterable NoneType object 
    60698  
    60699 TypeError: cannot unpack non-iterable NoneType object 
    60700  
    60701 File
    60702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60703 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60704 etype, evalue, etraceback = exc_info 
    60705  
    60706 See log for complete Python traceback. 
    60707  
    60708 Traceback (most recent call last): 
    60709 File
    60710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60711 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60712 return self._func(self._name, data) 
    60713 File
    60714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60715 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60716 if v.display: 
    60717 File
    60718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60719 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60720 return self._any_displayed_positions and len(self._positions) > 0 
    60721 TypeError: object of type 'NoneType' has no len() 
    60722  
    60723 During handling of the above exception, another exception occurred: 
    60724  
    60725 Traceback (most recent call last): 
    60726 File
    60727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60728 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60729 if not self.draw_new_frame(): 
    60730 File
    60731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60732 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60733 changed = view.check_for_drawing_change() 
    60734 File
    60735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60736 packages/chimerax/core/graphics/view.py", line 252, in
    60737 check_for_drawing_change 
    60738 trig.activate_trigger('graphics update', self) 
    60739 File
    60740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60741 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60742 trigger.activate(data) 
    60743 File
    60744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60745 packages/chimerax/core/triggerset.py", line 190, in activate 
    60746 ret = handler.invoke(data, self._remove_bad_handlers) 
    60747 File
    60748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60749 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60750 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60751 File
    60752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60753 packages/chimerax/core/session.py", line 943, in <lambda> 
    60754 logger.report_exception(preface=preface)) 
    60755 File
    60756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60757 packages/chimerax/core/logger.py", line 421, in report_exception 
    60758 elif probably_chimera1_session(exc_info): 
    60759 File
    60760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60761 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60762 etype, evalue, etraceback = exc_info 
    60763 TypeError: cannot unpack non-iterable NoneType object 
    60764  
    60765 TypeError: cannot unpack non-iterable NoneType object 
    60766  
    60767 File
    60768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60769 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60770 etype, evalue, etraceback = exc_info 
    60771  
    60772 See log for complete Python traceback. 
    60773  
    60774 Traceback (most recent call last): 
    60775 File
    60776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60777 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60778 return self._func(self._name, data) 
    60779 File
    60780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60781 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60782 if v.display: 
    60783 File
    60784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60785 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60786 return self._any_displayed_positions and len(self._positions) > 0 
    60787 TypeError: object of type 'NoneType' has no len() 
    60788  
    60789 During handling of the above exception, another exception occurred: 
    60790  
    60791 Traceback (most recent call last): 
    60792 File
    60793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60794 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60795 if not self.draw_new_frame(): 
    60796 File
    60797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60798 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60799 changed = view.check_for_drawing_change() 
    60800 File
    60801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60802 packages/chimerax/core/graphics/view.py", line 252, in
    60803 check_for_drawing_change 
    60804 trig.activate_trigger('graphics update', self) 
    60805 File
    60806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60807 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60808 trigger.activate(data) 
    60809 File
    60810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60811 packages/chimerax/core/triggerset.py", line 190, in activate 
    60812 ret = handler.invoke(data, self._remove_bad_handlers) 
    60813 File
    60814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60815 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60816 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60817 File
    60818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60819 packages/chimerax/core/session.py", line 943, in <lambda> 
    60820 logger.report_exception(preface=preface)) 
    60821 File
    60822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60823 packages/chimerax/core/logger.py", line 421, in report_exception 
    60824 elif probably_chimera1_session(exc_info): 
    60825 File
    60826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60827 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60828 etype, evalue, etraceback = exc_info 
    60829 TypeError: cannot unpack non-iterable NoneType object 
    60830  
    60831 TypeError: cannot unpack non-iterable NoneType object 
    60832  
    60833 File
    60834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60835 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60836 etype, evalue, etraceback = exc_info 
    60837  
    60838 See log for complete Python traceback. 
    60839  
    60840 Traceback (most recent call last): 
    60841 File
    60842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60843 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60844 return self._func(self._name, data) 
    60845 File
    60846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60847 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60848 if v.display: 
    60849 File
    60850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60851 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60852 return self._any_displayed_positions and len(self._positions) > 0 
    60853 TypeError: object of type 'NoneType' has no len() 
    60854  
    60855 During handling of the above exception, another exception occurred: 
    60856  
    60857 Traceback (most recent call last): 
    60858 File
    60859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60860 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60861 if not self.draw_new_frame(): 
    60862 File
    60863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60864 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60865 changed = view.check_for_drawing_change() 
    60866 File
    60867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60868 packages/chimerax/core/graphics/view.py", line 252, in
    60869 check_for_drawing_change 
    60870 trig.activate_trigger('graphics update', self) 
    60871 File
    60872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60873 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60874 trigger.activate(data) 
    60875 File
    60876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60877 packages/chimerax/core/triggerset.py", line 190, in activate 
    60878 ret = handler.invoke(data, self._remove_bad_handlers) 
    60879 File
    60880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60881 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60882 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60883 File
    60884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60885 packages/chimerax/core/session.py", line 943, in <lambda> 
    60886 logger.report_exception(preface=preface)) 
    60887 File
    60888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60889 packages/chimerax/core/logger.py", line 421, in report_exception 
    60890 elif probably_chimera1_session(exc_info): 
    60891 File
    60892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60893 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60894 etype, evalue, etraceback = exc_info 
    60895 TypeError: cannot unpack non-iterable NoneType object 
    60896  
    60897 TypeError: cannot unpack non-iterable NoneType object 
    60898  
    60899 File
    60900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60901 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60902 etype, evalue, etraceback = exc_info 
    60903  
    60904 See log for complete Python traceback. 
    60905  
    60906 Traceback (most recent call last): 
    60907 File
    60908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60909 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60910 return self._func(self._name, data) 
    60911 File
    60912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60913 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60914 if v.display: 
    60915 File
    60916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60917 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60918 return self._any_displayed_positions and len(self._positions) > 0 
    60919 TypeError: object of type 'NoneType' has no len() 
    60920  
    60921 During handling of the above exception, another exception occurred: 
    60922  
    60923 Traceback (most recent call last): 
    60924 File
    60925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60926 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60927 if not self.draw_new_frame(): 
    60928 File
    60929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60930 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60931 changed = view.check_for_drawing_change() 
    60932 File
    60933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60934 packages/chimerax/core/graphics/view.py", line 252, in
    60935 check_for_drawing_change 
    60936 trig.activate_trigger('graphics update', self) 
    60937 File
    60938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60939 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60940 trigger.activate(data) 
    60941 File
    60942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60943 packages/chimerax/core/triggerset.py", line 190, in activate 
    60944 ret = handler.invoke(data, self._remove_bad_handlers) 
    60945 File
    60946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60947 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60948 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60949 File
    60950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60951 packages/chimerax/core/session.py", line 943, in <lambda> 
    60952 logger.report_exception(preface=preface)) 
    60953 File
    60954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60955 packages/chimerax/core/logger.py", line 421, in report_exception 
    60956 elif probably_chimera1_session(exc_info): 
    60957 File
    60958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60959 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60960 etype, evalue, etraceback = exc_info 
    60961 TypeError: cannot unpack non-iterable NoneType object 
    60962  
    60963 TypeError: cannot unpack non-iterable NoneType object 
    60964  
    60965 File
    60966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60967 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60968 etype, evalue, etraceback = exc_info 
    60969  
    60970 See log for complete Python traceback. 
    60971  
    60972 Traceback (most recent call last): 
    60973 File
    60974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60975 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60976 return self._func(self._name, data) 
    60977 File
    60978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60979 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60980 if v.display: 
    60981 File
    60982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60983 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60984 return self._any_displayed_positions and len(self._positions) > 0 
    60985 TypeError: object of type 'NoneType' has no len() 
    60986  
    60987 During handling of the above exception, another exception occurred: 
    60988  
    60989 Traceback (most recent call last): 
    60990 File
    60991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60992 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60993 if not self.draw_new_frame(): 
    60994 File
    60995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60996 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60997 changed = view.check_for_drawing_change() 
    60998 File
    60999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61000 packages/chimerax/core/graphics/view.py", line 252, in
    61001 check_for_drawing_change 
    61002 trig.activate_trigger('graphics update', self) 
    61003 File
    61004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61005 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61006 trigger.activate(data) 
    61007 File
    61008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61009 packages/chimerax/core/triggerset.py", line 190, in activate 
    61010 ret = handler.invoke(data, self._remove_bad_handlers) 
    61011 File
    61012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61013 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61014 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61015 File
    61016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61017 packages/chimerax/core/session.py", line 943, in <lambda> 
    61018 logger.report_exception(preface=preface)) 
    61019 File
    61020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61021 packages/chimerax/core/logger.py", line 421, in report_exception 
    61022 elif probably_chimera1_session(exc_info): 
    61023 File
    61024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61025 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61026 etype, evalue, etraceback = exc_info 
    61027 TypeError: cannot unpack non-iterable NoneType object 
    61028  
    61029 TypeError: cannot unpack non-iterable NoneType object 
    61030  
    61031 File
    61032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61033 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61034 etype, evalue, etraceback = exc_info 
    61035  
    61036 See log for complete Python traceback. 
    61037  
    61038 Traceback (most recent call last): 
    61039 File
    61040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61041 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61042 return self._func(self._name, data) 
    61043 File
    61044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61045 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61046 if v.display: 
    61047 File
    61048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61049 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61050 return self._any_displayed_positions and len(self._positions) > 0 
    61051 TypeError: object of type 'NoneType' has no len() 
    61052  
    61053 During handling of the above exception, another exception occurred: 
    61054  
    61055 Traceback (most recent call last): 
    61056 File
    61057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61058 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61059 if not self.draw_new_frame(): 
    61060 File
    61061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61062 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61063 changed = view.check_for_drawing_change() 
    61064 File
    61065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61066 packages/chimerax/core/graphics/view.py", line 252, in
    61067 check_for_drawing_change 
    61068 trig.activate_trigger('graphics update', self) 
    61069 File
    61070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61071 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61072 trigger.activate(data) 
    61073 File
    61074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61075 packages/chimerax/core/triggerset.py", line 190, in activate 
    61076 ret = handler.invoke(data, self._remove_bad_handlers) 
    61077 File
    61078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61079 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61080 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61081 File
    61082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61083 packages/chimerax/core/session.py", line 943, in <lambda> 
    61084 logger.report_exception(preface=preface)) 
    61085 File
    61086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61087 packages/chimerax/core/logger.py", line 421, in report_exception 
    61088 elif probably_chimera1_session(exc_info): 
    61089 File
    61090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61091 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61092 etype, evalue, etraceback = exc_info 
    61093 TypeError: cannot unpack non-iterable NoneType object 
    61094  
    61095 TypeError: cannot unpack non-iterable NoneType object 
    61096  
    61097 File
    61098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61099 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61100 etype, evalue, etraceback = exc_info 
    61101  
    61102 See log for complete Python traceback. 
    61103  
    61104 Traceback (most recent call last): 
    61105 File
    61106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61107 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61108 return self._func(self._name, data) 
    61109 File
    61110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61111 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61112 if v.display: 
    61113 File
    61114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61115 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61116 return self._any_displayed_positions and len(self._positions) > 0 
    61117 TypeError: object of type 'NoneType' has no len() 
    61118  
    61119 During handling of the above exception, another exception occurred: 
    61120  
    61121 Traceback (most recent call last): 
    61122 File
    61123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61124 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61125 if not self.draw_new_frame(): 
    61126 File
    61127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61128 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61129 changed = view.check_for_drawing_change() 
    61130 File
    61131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61132 packages/chimerax/core/graphics/view.py", line 252, in
    61133 check_for_drawing_change 
    61134 trig.activate_trigger('graphics update', self) 
    61135 File
    61136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61137 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61138 trigger.activate(data) 
    61139 File
    61140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61141 packages/chimerax/core/triggerset.py", line 190, in activate 
    61142 ret = handler.invoke(data, self._remove_bad_handlers) 
    61143 File
    61144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61145 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61146 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61147 File
    61148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61149 packages/chimerax/core/session.py", line 943, in <lambda> 
    61150 logger.report_exception(preface=preface)) 
    61151 File
    61152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61153 packages/chimerax/core/logger.py", line 421, in report_exception 
    61154 elif probably_chimera1_session(exc_info): 
    61155 File
    61156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61157 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61158 etype, evalue, etraceback = exc_info 
    61159 TypeError: cannot unpack non-iterable NoneType object 
    61160  
    61161 TypeError: cannot unpack non-iterable NoneType object 
    61162  
    61163 File
    61164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61165 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61166 etype, evalue, etraceback = exc_info 
    61167  
    61168 See log for complete Python traceback. 
    61169  
    61170 Traceback (most recent call last): 
    61171 File
    61172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61173 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61174 return self._func(self._name, data) 
    61175 File
    61176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61177 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61178 if v.display: 
    61179 File
    61180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61181 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61182 return self._any_displayed_positions and len(self._positions) > 0 
    61183 TypeError: object of type 'NoneType' has no len() 
    61184  
    61185 During handling of the above exception, another exception occurred: 
    61186  
    61187 Traceback (most recent call last): 
    61188 File
    61189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61190 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61191 if not self.draw_new_frame(): 
    61192 File
    61193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61194 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61195 changed = view.check_for_drawing_change() 
    61196 File
    61197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61198 packages/chimerax/core/graphics/view.py", line 252, in
    61199 check_for_drawing_change 
    61200 trig.activate_trigger('graphics update', self) 
    61201 File
    61202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61203 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61204 trigger.activate(data) 
    61205 File
    61206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61207 packages/chimerax/core/triggerset.py", line 190, in activate 
    61208 ret = handler.invoke(data, self._remove_bad_handlers) 
    61209 File
    61210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61211 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61212 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61213 File
    61214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61215 packages/chimerax/core/session.py", line 943, in <lambda> 
    61216 logger.report_exception(preface=preface)) 
    61217 File
    61218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61219 packages/chimerax/core/logger.py", line 421, in report_exception 
    61220 elif probably_chimera1_session(exc_info): 
    61221 File
    61222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61223 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61224 etype, evalue, etraceback = exc_info 
    61225 TypeError: cannot unpack non-iterable NoneType object 
    61226  
    61227 TypeError: cannot unpack non-iterable NoneType object 
    61228  
    61229 File
    61230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61231 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61232 etype, evalue, etraceback = exc_info 
    61233  
    61234 See log for complete Python traceback. 
    61235  
    61236 Traceback (most recent call last): 
    61237 File
    61238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61239 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61240 return self._func(self._name, data) 
    61241 File
    61242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61243 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61244 if v.display: 
    61245 File
    61246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61247 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61248 return self._any_displayed_positions and len(self._positions) > 0 
    61249 TypeError: object of type 'NoneType' has no len() 
    61250  
    61251 During handling of the above exception, another exception occurred: 
    61252  
    61253 Traceback (most recent call last): 
    61254 File
    61255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61256 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61257 if not self.draw_new_frame(): 
    61258 File
    61259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61260 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61261 changed = view.check_for_drawing_change() 
    61262 File
    61263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61264 packages/chimerax/core/graphics/view.py", line 252, in
    61265 check_for_drawing_change 
    61266 trig.activate_trigger('graphics update', self) 
    61267 File
    61268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61269 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61270 trigger.activate(data) 
    61271 File
    61272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61273 packages/chimerax/core/triggerset.py", line 190, in activate 
    61274 ret = handler.invoke(data, self._remove_bad_handlers) 
    61275 File
    61276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61277 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61278 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61279 File
    61280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61281 packages/chimerax/core/session.py", line 943, in <lambda> 
    61282 logger.report_exception(preface=preface)) 
    61283 File
    61284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61285 packages/chimerax/core/logger.py", line 421, in report_exception 
    61286 elif probably_chimera1_session(exc_info): 
    61287 File
    61288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61289 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61290 etype, evalue, etraceback = exc_info 
    61291 TypeError: cannot unpack non-iterable NoneType object 
    61292  
    61293 TypeError: cannot unpack non-iterable NoneType object 
    61294  
    61295 File
    61296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61297 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61298 etype, evalue, etraceback = exc_info 
    61299  
    61300 See log for complete Python traceback. 
    61301  
    61302 Traceback (most recent call last): 
    61303 File
    61304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61305 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61306 return self._func(self._name, data) 
    61307 File
    61308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61309 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61310 if v.display: 
    61311 File
    61312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61313 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61314 return self._any_displayed_positions and len(self._positions) > 0 
    61315 TypeError: object of type 'NoneType' has no len() 
    61316  
    61317 During handling of the above exception, another exception occurred: 
    61318  
    61319 Traceback (most recent call last): 
    61320 File
    61321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61322 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61323 if not self.draw_new_frame(): 
    61324 File
    61325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61326 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61327 changed = view.check_for_drawing_change() 
    61328 File
    61329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61330 packages/chimerax/core/graphics/view.py", line 252, in
    61331 check_for_drawing_change 
    61332 trig.activate_trigger('graphics update', self) 
    61333 File
    61334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61335 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61336 trigger.activate(data) 
    61337 File
    61338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61339 packages/chimerax/core/triggerset.py", line 190, in activate 
    61340 ret = handler.invoke(data, self._remove_bad_handlers) 
    61341 File
    61342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61343 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61344 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61345 File
    61346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61347 packages/chimerax/core/session.py", line 943, in <lambda> 
    61348 logger.report_exception(preface=preface)) 
    61349 File
    61350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61351 packages/chimerax/core/logger.py", line 421, in report_exception 
    61352 elif probably_chimera1_session(exc_info): 
    61353 File
    61354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61355 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61356 etype, evalue, etraceback = exc_info 
    61357 TypeError: cannot unpack non-iterable NoneType object 
    61358  
    61359 TypeError: cannot unpack non-iterable NoneType object 
    61360  
    61361 File
    61362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61363 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61364 etype, evalue, etraceback = exc_info 
    61365  
    61366 See log for complete Python traceback. 
    61367  
    61368 Traceback (most recent call last): 
    61369 File
    61370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61371 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61372 return self._func(self._name, data) 
    61373 File
    61374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61375 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61376 if v.display: 
    61377 File
    61378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61379 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61380 return self._any_displayed_positions and len(self._positions) > 0 
    61381 TypeError: object of type 'NoneType' has no len() 
    61382  
    61383 During handling of the above exception, another exception occurred: 
    61384  
    61385 Traceback (most recent call last): 
    61386 File
    61387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61388 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61389 if not self.draw_new_frame(): 
    61390 File
    61391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61392 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61393 changed = view.check_for_drawing_change() 
    61394 File
    61395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61396 packages/chimerax/core/graphics/view.py", line 252, in
    61397 check_for_drawing_change 
    61398 trig.activate_trigger('graphics update', self) 
    61399 File
    61400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61401 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61402 trigger.activate(data) 
    61403 File
    61404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61405 packages/chimerax/core/triggerset.py", line 190, in activate 
    61406 ret = handler.invoke(data, self._remove_bad_handlers) 
    61407 File
    61408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61409 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61410 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61411 File
    61412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61413 packages/chimerax/core/session.py", line 943, in <lambda> 
    61414 logger.report_exception(preface=preface)) 
    61415 File
    61416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61417 packages/chimerax/core/logger.py", line 421, in report_exception 
    61418 elif probably_chimera1_session(exc_info): 
    61419 File
    61420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61421 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61422 etype, evalue, etraceback = exc_info 
    61423 TypeError: cannot unpack non-iterable NoneType object 
    61424  
    61425 TypeError: cannot unpack non-iterable NoneType object 
    61426  
    61427 File
    61428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61429 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61430 etype, evalue, etraceback = exc_info 
    61431  
    61432 See log for complete Python traceback. 
    61433  
    61434 Traceback (most recent call last): 
    61435 File
    61436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61437 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61438 return self._func(self._name, data) 
    61439 File
    61440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61441 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61442 if v.display: 
    61443 File
    61444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61445 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61446 return self._any_displayed_positions and len(self._positions) > 0 
    61447 TypeError: object of type 'NoneType' has no len() 
    61448  
    61449 During handling of the above exception, another exception occurred: 
    61450  
    61451 Traceback (most recent call last): 
    61452 File
    61453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61454 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61455 if not self.draw_new_frame(): 
    61456 File
    61457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61458 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61459 changed = view.check_for_drawing_change() 
    61460 File
    61461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61462 packages/chimerax/core/graphics/view.py", line 252, in
    61463 check_for_drawing_change 
    61464 trig.activate_trigger('graphics update', self) 
    61465 File
    61466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61467 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61468 trigger.activate(data) 
    61469 File
    61470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61471 packages/chimerax/core/triggerset.py", line 190, in activate 
    61472 ret = handler.invoke(data, self._remove_bad_handlers) 
    61473 File
    61474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61475 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61476 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61477 File
    61478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61479 packages/chimerax/core/session.py", line 943, in <lambda> 
    61480 logger.report_exception(preface=preface)) 
    61481 File
    61482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61483 packages/chimerax/core/logger.py", line 421, in report_exception 
    61484 elif probably_chimera1_session(exc_info): 
    61485 File
    61486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61487 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61488 etype, evalue, etraceback = exc_info 
    61489 TypeError: cannot unpack non-iterable NoneType object 
    61490  
    61491 TypeError: cannot unpack non-iterable NoneType object 
    61492  
    61493 File
    61494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61495 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61496 etype, evalue, etraceback = exc_info 
    61497  
    61498 See log for complete Python traceback. 
    61499  
    61500 Traceback (most recent call last): 
    61501 File
    61502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61503 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61504 return self._func(self._name, data) 
    61505 File
    61506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61507 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61508 if v.display: 
    61509 File
    61510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61511 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61512 return self._any_displayed_positions and len(self._positions) > 0 
    61513 TypeError: object of type 'NoneType' has no len() 
    61514  
    61515 During handling of the above exception, another exception occurred: 
    61516  
    61517 Traceback (most recent call last): 
    61518 File
    61519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61520 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61521 if not self.draw_new_frame(): 
    61522 File
    61523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61524 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61525 changed = view.check_for_drawing_change() 
    61526 File
    61527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61528 packages/chimerax/core/graphics/view.py", line 252, in
    61529 check_for_drawing_change 
    61530 trig.activate_trigger('graphics update', self) 
    61531 File
    61532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61533 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61534 trigger.activate(data) 
    61535 File
    61536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61537 packages/chimerax/core/triggerset.py", line 190, in activate 
    61538 ret = handler.invoke(data, self._remove_bad_handlers) 
    61539 File
    61540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61541 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61542 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61543 File
    61544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61545 packages/chimerax/core/session.py", line 943, in <lambda> 
    61546 logger.report_exception(preface=preface)) 
    61547 File
    61548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61549 packages/chimerax/core/logger.py", line 421, in report_exception 
    61550 elif probably_chimera1_session(exc_info): 
    61551 File
    61552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61553 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61554 etype, evalue, etraceback = exc_info 
    61555 TypeError: cannot unpack non-iterable NoneType object 
    61556  
    61557 TypeError: cannot unpack non-iterable NoneType object 
    61558  
    61559 File
    61560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61561 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61562 etype, evalue, etraceback = exc_info 
    61563  
    61564 See log for complete Python traceback. 
    61565  
    61566 Traceback (most recent call last): 
    61567 File
    61568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61569 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61570 return self._func(self._name, data) 
    61571 File
    61572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61573 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61574 if v.display: 
    61575 File
    61576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61577 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61578 return self._any_displayed_positions and len(self._positions) > 0 
    61579 TypeError: object of type 'NoneType' has no len() 
    61580  
    61581 During handling of the above exception, another exception occurred: 
    61582  
    61583 Traceback (most recent call last): 
    61584 File
    61585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61586 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61587 if not self.draw_new_frame(): 
    61588 File
    61589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61590 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61591 changed = view.check_for_drawing_change() 
    61592 File
    61593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61594 packages/chimerax/core/graphics/view.py", line 252, in
    61595 check_for_drawing_change 
    61596 trig.activate_trigger('graphics update', self) 
    61597 File
    61598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61599 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61600 trigger.activate(data) 
    61601 File
    61602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61603 packages/chimerax/core/triggerset.py", line 190, in activate 
    61604 ret = handler.invoke(data, self._remove_bad_handlers) 
    61605 File
    61606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61607 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61608 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61609 File
    61610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61611 packages/chimerax/core/session.py", line 943, in <lambda> 
    61612 logger.report_exception(preface=preface)) 
    61613 File
    61614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61615 packages/chimerax/core/logger.py", line 421, in report_exception 
    61616 elif probably_chimera1_session(exc_info): 
    61617 File
    61618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61619 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61620 etype, evalue, etraceback = exc_info 
    61621 TypeError: cannot unpack non-iterable NoneType object 
    61622  
    61623 TypeError: cannot unpack non-iterable NoneType object 
    61624  
    61625 File
    61626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61627 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61628 etype, evalue, etraceback = exc_info 
    61629  
    61630 See log for complete Python traceback. 
    61631  
    61632 Traceback (most recent call last): 
    61633 File
    61634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61635 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61636 return self._func(self._name, data) 
    61637 File
    61638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61639 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61640 if v.display: 
    61641 File
    61642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61643 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61644 return self._any_displayed_positions and len(self._positions) > 0 
    61645 TypeError: object of type 'NoneType' has no len() 
    61646  
    61647 During handling of the above exception, another exception occurred: 
    61648  
    61649 Traceback (most recent call last): 
    61650 File
    61651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61652 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61653 if not self.draw_new_frame(): 
    61654 File
    61655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61656 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61657 changed = view.check_for_drawing_change() 
    61658 File
    61659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61660 packages/chimerax/core/graphics/view.py", line 252, in
    61661 check_for_drawing_change 
    61662 trig.activate_trigger('graphics update', self) 
    61663 File
    61664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61665 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61666 trigger.activate(data) 
    61667 File
    61668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61669 packages/chimerax/core/triggerset.py", line 190, in activate 
    61670 ret = handler.invoke(data, self._remove_bad_handlers) 
    61671 File
    61672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61673 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61674 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61675 File
    61676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61677 packages/chimerax/core/session.py", line 943, in <lambda> 
    61678 logger.report_exception(preface=preface)) 
    61679 File
    61680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61681 packages/chimerax/core/logger.py", line 421, in report_exception 
    61682 elif probably_chimera1_session(exc_info): 
    61683 File
    61684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61685 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61686 etype, evalue, etraceback = exc_info 
    61687 TypeError: cannot unpack non-iterable NoneType object 
    61688  
    61689 TypeError: cannot unpack non-iterable NoneType object 
    61690  
    61691 File
    61692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61693 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61694 etype, evalue, etraceback = exc_info 
    61695  
    61696 See log for complete Python traceback. 
    61697  
    61698 Traceback (most recent call last): 
    61699 File
    61700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61701 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61702 return self._func(self._name, data) 
    61703 File
    61704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61705 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61706 if v.display: 
    61707 File
    61708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61709 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61710 return self._any_displayed_positions and len(self._positions) > 0 
    61711 TypeError: object of type 'NoneType' has no len() 
    61712  
    61713 During handling of the above exception, another exception occurred: 
    61714  
    61715 Traceback (most recent call last): 
    61716 File
    61717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61718 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61719 if not self.draw_new_frame(): 
    61720 File
    61721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61722 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61723 changed = view.check_for_drawing_change() 
    61724 File
    61725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61726 packages/chimerax/core/graphics/view.py", line 252, in
    61727 check_for_drawing_change 
    61728 trig.activate_trigger('graphics update', self) 
    61729 File
    61730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61731 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61732 trigger.activate(data) 
    61733 File
    61734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61735 packages/chimerax/core/triggerset.py", line 190, in activate 
    61736 ret = handler.invoke(data, self._remove_bad_handlers) 
    61737 File
    61738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61739 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61740 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61741 File
    61742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61743 packages/chimerax/core/session.py", line 943, in <lambda> 
    61744 logger.report_exception(preface=preface)) 
    61745 File
    61746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61747 packages/chimerax/core/logger.py", line 421, in report_exception 
    61748 elif probably_chimera1_session(exc_info): 
    61749 File
    61750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61751 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61752 etype, evalue, etraceback = exc_info 
    61753 TypeError: cannot unpack non-iterable NoneType object 
    61754  
    61755 TypeError: cannot unpack non-iterable NoneType object 
    61756  
    61757 File
    61758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61759 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61760 etype, evalue, etraceback = exc_info 
    61761  
    61762 See log for complete Python traceback. 
    61763  
    61764 Traceback (most recent call last): 
    61765 File
    61766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61767 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61768 return self._func(self._name, data) 
    61769 File
    61770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61771 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61772 if v.display: 
    61773 File
    61774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61775 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61776 return self._any_displayed_positions and len(self._positions) > 0 
    61777 TypeError: object of type 'NoneType' has no len() 
    61778  
    61779 During handling of the above exception, another exception occurred: 
    61780  
    61781 Traceback (most recent call last): 
    61782 File
    61783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61784 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61785 if not self.draw_new_frame(): 
    61786 File
    61787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61788 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61789 changed = view.check_for_drawing_change() 
    61790 File
    61791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61792 packages/chimerax/core/graphics/view.py", line 252, in
    61793 check_for_drawing_change 
    61794 trig.activate_trigger('graphics update', self) 
    61795 File
    61796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61797 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61798 trigger.activate(data) 
    61799 File
    61800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61801 packages/chimerax/core/triggerset.py", line 190, in activate 
    61802 ret = handler.invoke(data, self._remove_bad_handlers) 
    61803 File
    61804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61805 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61806 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61807 File
    61808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61809 packages/chimerax/core/session.py", line 943, in <lambda> 
    61810 logger.report_exception(preface=preface)) 
    61811 File
    61812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61813 packages/chimerax/core/logger.py", line 421, in report_exception 
    61814 elif probably_chimera1_session(exc_info): 
    61815 File
    61816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61817 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61818 etype, evalue, etraceback = exc_info 
    61819 TypeError: cannot unpack non-iterable NoneType object 
    61820  
    61821 TypeError: cannot unpack non-iterable NoneType object 
    61822  
    61823 File
    61824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61825 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61826 etype, evalue, etraceback = exc_info 
    61827  
    61828 See log for complete Python traceback. 
    61829  
    61830 Traceback (most recent call last): 
    61831 File
    61832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61833 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61834 return self._func(self._name, data) 
    61835 File
    61836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61837 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61838 if v.display: 
    61839 File
    61840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61841 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61842 return self._any_displayed_positions and len(self._positions) > 0 
    61843 TypeError: object of type 'NoneType' has no len() 
    61844  
    61845 During handling of the above exception, another exception occurred: 
    61846  
    61847 Traceback (most recent call last): 
    61848 File
    61849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61850 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61851 if not self.draw_new_frame(): 
    61852 File
    61853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61854 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61855 changed = view.check_for_drawing_change() 
    61856 File
    61857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61858 packages/chimerax/core/graphics/view.py", line 252, in
    61859 check_for_drawing_change 
    61860 trig.activate_trigger('graphics update', self) 
    61861 File
    61862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61863 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61864 trigger.activate(data) 
    61865 File
    61866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61867 packages/chimerax/core/triggerset.py", line 190, in activate 
    61868 ret = handler.invoke(data, self._remove_bad_handlers) 
    61869 File
    61870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61871 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61872 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61873 File
    61874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61875 packages/chimerax/core/session.py", line 943, in <lambda> 
    61876 logger.report_exception(preface=preface)) 
    61877 File
    61878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61879 packages/chimerax/core/logger.py", line 421, in report_exception 
    61880 elif probably_chimera1_session(exc_info): 
    61881 File
    61882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61883 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61884 etype, evalue, etraceback = exc_info 
    61885 TypeError: cannot unpack non-iterable NoneType object 
    61886  
    61887 TypeError: cannot unpack non-iterable NoneType object 
    61888  
    61889 File
    61890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61891 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61892 etype, evalue, etraceback = exc_info 
    61893  
    61894 See log for complete Python traceback. 
    61895  
    61896 Traceback (most recent call last): 
    61897 File
    61898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61899 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61900 return self._func(self._name, data) 
    61901 File
    61902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61903 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61904 if v.display: 
    61905 File
    61906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61907 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61908 return self._any_displayed_positions and len(self._positions) > 0 
    61909 TypeError: object of type 'NoneType' has no len() 
    61910  
    61911 During handling of the above exception, another exception occurred: 
    61912  
    61913 Traceback (most recent call last): 
    61914 File
    61915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61916 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61917 if not self.draw_new_frame(): 
    61918 File
    61919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61920 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61921 changed = view.check_for_drawing_change() 
    61922 File
    61923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61924 packages/chimerax/core/graphics/view.py", line 252, in
    61925 check_for_drawing_change 
    61926 trig.activate_trigger('graphics update', self) 
    61927 File
    61928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61929 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61930 trigger.activate(data) 
    61931 File
    61932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61933 packages/chimerax/core/triggerset.py", line 190, in activate 
    61934 ret = handler.invoke(data, self._remove_bad_handlers) 
    61935 File
    61936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61937 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61938 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61939 File
    61940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61941 packages/chimerax/core/session.py", line 943, in <lambda> 
    61942 logger.report_exception(preface=preface)) 
    61943 File
    61944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61945 packages/chimerax/core/logger.py", line 421, in report_exception 
    61946 elif probably_chimera1_session(exc_info): 
    61947 File
    61948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61949 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61950 etype, evalue, etraceback = exc_info 
    61951 TypeError: cannot unpack non-iterable NoneType object 
    61952  
    61953 TypeError: cannot unpack non-iterable NoneType object 
    61954  
    61955 File
    61956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61957 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61958 etype, evalue, etraceback = exc_info 
    61959  
    61960 See log for complete Python traceback. 
    61961  
    61962 Traceback (most recent call last): 
    61963 File
    61964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61965 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61966 return self._func(self._name, data) 
    61967 File
    61968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61969 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61970 if v.display: 
    61971 File
    61972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61973 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61974 return self._any_displayed_positions and len(self._positions) > 0 
    61975 TypeError: object of type 'NoneType' has no len() 
    61976  
    61977 During handling of the above exception, another exception occurred: 
    61978  
    61979 Traceback (most recent call last): 
    61980 File
    61981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61982 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61983 if not self.draw_new_frame(): 
    61984 File
    61985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61986 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61987 changed = view.check_for_drawing_change() 
    61988 File
    61989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61990 packages/chimerax/core/graphics/view.py", line 252, in
    61991 check_for_drawing_change 
    61992 trig.activate_trigger('graphics update', self) 
    61993 File
    61994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61995 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61996 trigger.activate(data) 
    61997 File
    61998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61999 packages/chimerax/core/triggerset.py", line 190, in activate 
    62000 ret = handler.invoke(data, self._remove_bad_handlers) 
    62001 File
    62002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62003 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62004 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62005 File
    62006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62007 packages/chimerax/core/session.py", line 943, in <lambda> 
    62008 logger.report_exception(preface=preface)) 
    62009 File
    62010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62011 packages/chimerax/core/logger.py", line 421, in report_exception 
    62012 elif probably_chimera1_session(exc_info): 
    62013 File
    62014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62015 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62016 etype, evalue, etraceback = exc_info 
    62017 TypeError: cannot unpack non-iterable NoneType object 
    62018  
    62019 TypeError: cannot unpack non-iterable NoneType object 
    62020  
    62021 File
    62022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62023 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62024 etype, evalue, etraceback = exc_info 
    62025  
    62026 See log for complete Python traceback. 
    62027  
    62028 Traceback (most recent call last): 
    62029 File
    62030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62031 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62032 return self._func(self._name, data) 
    62033 File
    62034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62035 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62036 if v.display: 
    62037 File
    62038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62039 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62040 return self._any_displayed_positions and len(self._positions) > 0 
    62041 TypeError: object of type 'NoneType' has no len() 
    62042  
    62043 During handling of the above exception, another exception occurred: 
    62044  
    62045 Traceback (most recent call last): 
    62046 File
    62047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62048 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62049 if not self.draw_new_frame(): 
    62050 File
    62051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62052 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62053 changed = view.check_for_drawing_change() 
    62054 File
    62055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62056 packages/chimerax/core/graphics/view.py", line 252, in
    62057 check_for_drawing_change 
    62058 trig.activate_trigger('graphics update', self) 
    62059 File
    62060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62061 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62062 trigger.activate(data) 
    62063 File
    62064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62065 packages/chimerax/core/triggerset.py", line 190, in activate 
    62066 ret = handler.invoke(data, self._remove_bad_handlers) 
    62067 File
    62068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62069 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62070 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62071 File
    62072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62073 packages/chimerax/core/session.py", line 943, in <lambda> 
    62074 logger.report_exception(preface=preface)) 
    62075 File
    62076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62077 packages/chimerax/core/logger.py", line 421, in report_exception 
    62078 elif probably_chimera1_session(exc_info): 
    62079 File
    62080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62081 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62082 etype, evalue, etraceback = exc_info 
    62083 TypeError: cannot unpack non-iterable NoneType object 
    62084  
    62085 TypeError: cannot unpack non-iterable NoneType object 
    62086  
    62087 File
    62088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62089 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62090 etype, evalue, etraceback = exc_info 
    62091  
    62092 See log for complete Python traceback. 
    62093  
    62094 Traceback (most recent call last): 
    62095 File
    62096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62097 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62098 return self._func(self._name, data) 
    62099 File
    62100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62101 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62102 if v.display: 
    62103 File
    62104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62105 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62106 return self._any_displayed_positions and len(self._positions) > 0 
    62107 TypeError: object of type 'NoneType' has no len() 
    62108  
    62109 During handling of the above exception, another exception occurred: 
    62110  
    62111 Traceback (most recent call last): 
    62112 File
    62113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62114 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62115 if not self.draw_new_frame(): 
    62116 File
    62117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62118 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62119 changed = view.check_for_drawing_change() 
    62120 File
    62121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62122 packages/chimerax/core/graphics/view.py", line 252, in
    62123 check_for_drawing_change 
    62124 trig.activate_trigger('graphics update', self) 
    62125 File
    62126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62127 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62128 trigger.activate(data) 
    62129 File
    62130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62131 packages/chimerax/core/triggerset.py", line 190, in activate 
    62132 ret = handler.invoke(data, self._remove_bad_handlers) 
    62133 File
    62134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62135 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62136 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62137 File
    62138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62139 packages/chimerax/core/session.py", line 943, in <lambda> 
    62140 logger.report_exception(preface=preface)) 
    62141 File
    62142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62143 packages/chimerax/core/logger.py", line 421, in report_exception 
    62144 elif probably_chimera1_session(exc_info): 
    62145 File
    62146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62147 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62148 etype, evalue, etraceback = exc_info 
    62149 TypeError: cannot unpack non-iterable NoneType object 
    62150  
    62151 TypeError: cannot unpack non-iterable NoneType object 
    62152  
    62153 File
    62154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62155 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62156 etype, evalue, etraceback = exc_info 
    62157  
    62158 See log for complete Python traceback. 
    62159  
    62160 Traceback (most recent call last): 
    62161 File
    62162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62163 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62164 return self._func(self._name, data) 
    62165 File
    62166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62167 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62168 if v.display: 
    62169 File
    62170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62171 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62172 return self._any_displayed_positions and len(self._positions) > 0 
    62173 TypeError: object of type 'NoneType' has no len() 
    62174  
    62175 During handling of the above exception, another exception occurred: 
    62176  
    62177 Traceback (most recent call last): 
    62178 File
    62179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62180 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62181 if not self.draw_new_frame(): 
    62182 File
    62183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62184 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62185 changed = view.check_for_drawing_change() 
    62186 File
    62187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62188 packages/chimerax/core/graphics/view.py", line 252, in
    62189 check_for_drawing_change 
    62190 trig.activate_trigger('graphics update', self) 
    62191 File
    62192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62193 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62194 trigger.activate(data) 
    62195 File
    62196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62197 packages/chimerax/core/triggerset.py", line 190, in activate 
    62198 ret = handler.invoke(data, self._remove_bad_handlers) 
    62199 File
    62200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62201 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62202 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62203 File
    62204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62205 packages/chimerax/core/session.py", line 943, in <lambda> 
    62206 logger.report_exception(preface=preface)) 
    62207 File
    62208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62209 packages/chimerax/core/logger.py", line 421, in report_exception 
    62210 elif probably_chimera1_session(exc_info): 
    62211 File
    62212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62213 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62214 etype, evalue, etraceback = exc_info 
    62215 TypeError: cannot unpack non-iterable NoneType object 
    62216  
    62217 TypeError: cannot unpack non-iterable NoneType object 
    62218  
    62219 File
    62220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62221 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62222 etype, evalue, etraceback = exc_info 
    62223  
    62224 See log for complete Python traceback. 
    62225  
    62226 Traceback (most recent call last): 
    62227 File
    62228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62229 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62230 return self._func(self._name, data) 
    62231 File
    62232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62233 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62234 if v.display: 
    62235 File
    62236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62237 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62238 return self._any_displayed_positions and len(self._positions) > 0 
    62239 TypeError: object of type 'NoneType' has no len() 
    62240  
    62241 During handling of the above exception, another exception occurred: 
    62242  
    62243 Traceback (most recent call last): 
    62244 File
    62245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62246 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62247 if not self.draw_new_frame(): 
    62248 File
    62249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62250 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62251 changed = view.check_for_drawing_change() 
    62252 File
    62253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62254 packages/chimerax/core/graphics/view.py", line 252, in
    62255 check_for_drawing_change 
    62256 trig.activate_trigger('graphics update', self) 
    62257 File
    62258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62259 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62260 trigger.activate(data) 
    62261 File
    62262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62263 packages/chimerax/core/triggerset.py", line 190, in activate 
    62264 ret = handler.invoke(data, self._remove_bad_handlers) 
    62265 File
    62266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62267 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62268 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62269 File
    62270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62271 packages/chimerax/core/session.py", line 943, in <lambda> 
    62272 logger.report_exception(preface=preface)) 
    62273 File
    62274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62275 packages/chimerax/core/logger.py", line 421, in report_exception 
    62276 elif probably_chimera1_session(exc_info): 
    62277 File
    62278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62279 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62280 etype, evalue, etraceback = exc_info 
    62281 TypeError: cannot unpack non-iterable NoneType object 
    62282  
    62283 TypeError: cannot unpack non-iterable NoneType object 
    62284  
    62285 File
    62286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62287 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62288 etype, evalue, etraceback = exc_info 
    62289  
    62290 See log for complete Python traceback. 
    62291  
    62292 Traceback (most recent call last): 
    62293 File
    62294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62295 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62296 return self._func(self._name, data) 
    62297 File
    62298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62299 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62300 if v.display: 
    62301 File
    62302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62303 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62304 return self._any_displayed_positions and len(self._positions) > 0 
    62305 TypeError: object of type 'NoneType' has no len() 
    62306  
    62307 During handling of the above exception, another exception occurred: 
    62308  
    62309 Traceback (most recent call last): 
    62310 File
    62311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62312 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62313 if not self.draw_new_frame(): 
    62314 File
    62315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62316 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62317 changed = view.check_for_drawing_change() 
    62318 File
    62319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62320 packages/chimerax/core/graphics/view.py", line 252, in
    62321 check_for_drawing_change 
    62322 trig.activate_trigger('graphics update', self) 
    62323 File
    62324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62325 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62326 trigger.activate(data) 
    62327 File
    62328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62329 packages/chimerax/core/triggerset.py", line 190, in activate 
    62330 ret = handler.invoke(data, self._remove_bad_handlers) 
    62331 File
    62332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62333 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62334 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62335 File
    62336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62337 packages/chimerax/core/session.py", line 943, in <lambda> 
    62338 logger.report_exception(preface=preface)) 
    62339 File
    62340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62341 packages/chimerax/core/logger.py", line 421, in report_exception 
    62342 elif probably_chimera1_session(exc_info): 
    62343 File
    62344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62345 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62346 etype, evalue, etraceback = exc_info 
    62347 TypeError: cannot unpack non-iterable NoneType object 
    62348  
    62349 TypeError: cannot unpack non-iterable NoneType object 
    62350  
    62351 File
    62352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62353 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62354 etype, evalue, etraceback = exc_info 
    62355  
    62356 See log for complete Python traceback. 
    62357  
    62358 Traceback (most recent call last): 
    62359 File
    62360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62361 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62362 return self._func(self._name, data) 
    62363 File
    62364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62365 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62366 if v.display: 
    62367 File
    62368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62369 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62370 return self._any_displayed_positions and len(self._positions) > 0 
    62371 TypeError: object of type 'NoneType' has no len() 
    62372  
    62373 During handling of the above exception, another exception occurred: 
    62374  
    62375 Traceback (most recent call last): 
    62376 File
    62377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62378 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62379 if not self.draw_new_frame(): 
    62380 File
    62381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62382 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62383 changed = view.check_for_drawing_change() 
    62384 File
    62385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62386 packages/chimerax/core/graphics/view.py", line 252, in
    62387 check_for_drawing_change 
    62388 trig.activate_trigger('graphics update', self) 
    62389 File
    62390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62391 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62392 trigger.activate(data) 
    62393 File
    62394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62395 packages/chimerax/core/triggerset.py", line 190, in activate 
    62396 ret = handler.invoke(data, self._remove_bad_handlers) 
    62397 File
    62398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62399 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62400 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62401 File
    62402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62403 packages/chimerax/core/session.py", line 943, in <lambda> 
    62404 logger.report_exception(preface=preface)) 
    62405 File
    62406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62407 packages/chimerax/core/logger.py", line 421, in report_exception 
    62408 elif probably_chimera1_session(exc_info): 
    62409 File
    62410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62411 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62412 etype, evalue, etraceback = exc_info 
    62413 TypeError: cannot unpack non-iterable NoneType object 
    62414  
    62415 TypeError: cannot unpack non-iterable NoneType object 
    62416  
    62417 File
    62418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62419 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62420 etype, evalue, etraceback = exc_info 
    62421  
    62422 See log for complete Python traceback. 
    62423  
    62424 Traceback (most recent call last): 
    62425 File
    62426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62427 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62428 return self._func(self._name, data) 
    62429 File
    62430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62431 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62432 if v.display: 
    62433 File
    62434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62435 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62436 return self._any_displayed_positions and len(self._positions) > 0 
    62437 TypeError: object of type 'NoneType' has no len() 
    62438  
    62439 During handling of the above exception, another exception occurred: 
    62440  
    62441 Traceback (most recent call last): 
    62442 File
    62443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62444 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62445 if not self.draw_new_frame(): 
    62446 File
    62447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62448 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62449 changed = view.check_for_drawing_change() 
    62450 File
    62451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62452 packages/chimerax/core/graphics/view.py", line 252, in
    62453 check_for_drawing_change 
    62454 trig.activate_trigger('graphics update', self) 
    62455 File
    62456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62457 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62458 trigger.activate(data) 
    62459 File
    62460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62461 packages/chimerax/core/triggerset.py", line 190, in activate 
    62462 ret = handler.invoke(data, self._remove_bad_handlers) 
    62463 File
    62464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62465 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62466 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62467 File
    62468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62469 packages/chimerax/core/session.py", line 943, in <lambda> 
    62470 logger.report_exception(preface=preface)) 
    62471 File
    62472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62473 packages/chimerax/core/logger.py", line 421, in report_exception 
    62474 elif probably_chimera1_session(exc_info): 
    62475 File
    62476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62477 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62478 etype, evalue, etraceback = exc_info 
    62479 TypeError: cannot unpack non-iterable NoneType object 
    62480  
    62481 TypeError: cannot unpack non-iterable NoneType object 
    62482  
    62483 File
    62484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62485 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62486 etype, evalue, etraceback = exc_info 
    62487  
    62488 See log for complete Python traceback. 
    62489  
    62490 Traceback (most recent call last): 
    62491 File
    62492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62493 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62494 return self._func(self._name, data) 
    62495 File
    62496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62497 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62498 if v.display: 
    62499 File
    62500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62501 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62502 return self._any_displayed_positions and len(self._positions) > 0 
    62503 TypeError: object of type 'NoneType' has no len() 
    62504  
    62505 During handling of the above exception, another exception occurred: 
    62506  
    62507 Traceback (most recent call last): 
    62508 File
    62509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62510 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62511 if not self.draw_new_frame(): 
    62512 File
    62513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62514 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62515 changed = view.check_for_drawing_change() 
    62516 File
    62517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62518 packages/chimerax/core/graphics/view.py", line 252, in
    62519 check_for_drawing_change 
    62520 trig.activate_trigger('graphics update', self) 
    62521 File
    62522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62523 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62524 trigger.activate(data) 
    62525 File
    62526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62527 packages/chimerax/core/triggerset.py", line 190, in activate 
    62528 ret = handler.invoke(data, self._remove_bad_handlers) 
    62529 File
    62530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62531 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62532 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62533 File
    62534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62535 packages/chimerax/core/session.py", line 943, in <lambda> 
    62536 logger.report_exception(preface=preface)) 
    62537 File
    62538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62539 packages/chimerax/core/logger.py", line 421, in report_exception 
    62540 elif probably_chimera1_session(exc_info): 
    62541 File
    62542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62543 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62544 etype, evalue, etraceback = exc_info 
    62545 TypeError: cannot unpack non-iterable NoneType object 
    62546  
    62547 TypeError: cannot unpack non-iterable NoneType object 
    62548  
    62549 File
    62550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62551 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62552 etype, evalue, etraceback = exc_info 
    62553  
    62554 See log for complete Python traceback. 
    62555  
    62556 Traceback (most recent call last): 
    62557 File
    62558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62559 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62560 return self._func(self._name, data) 
    62561 File
    62562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62563 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62564 if v.display: 
    62565 File
    62566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62567 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62568 return self._any_displayed_positions and len(self._positions) > 0 
    62569 TypeError: object of type 'NoneType' has no len() 
    62570  
    62571 During handling of the above exception, another exception occurred: 
    62572  
    62573 Traceback (most recent call last): 
    62574 File
    62575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62576 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62577 if not self.draw_new_frame(): 
    62578 File
    62579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62580 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62581 changed = view.check_for_drawing_change() 
    62582 File
    62583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62584 packages/chimerax/core/graphics/view.py", line 252, in
    62585 check_for_drawing_change 
    62586 trig.activate_trigger('graphics update', self) 
    62587 File
    62588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62589 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62590 trigger.activate(data) 
    62591 File
    62592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62593 packages/chimerax/core/triggerset.py", line 190, in activate 
    62594 ret = handler.invoke(data, self._remove_bad_handlers) 
    62595 File
    62596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62597 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62598 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62599 File
    62600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62601 packages/chimerax/core/session.py", line 943, in <lambda> 
    62602 logger.report_exception(preface=preface)) 
    62603 File
    62604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62605 packages/chimerax/core/logger.py", line 421, in report_exception 
    62606 elif probably_chimera1_session(exc_info): 
    62607 File
    62608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62609 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62610 etype, evalue, etraceback = exc_info 
    62611 TypeError: cannot unpack non-iterable NoneType object 
    62612  
    62613 TypeError: cannot unpack non-iterable NoneType object 
    62614  
    62615 File
    62616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62617 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62618 etype, evalue, etraceback = exc_info 
    62619  
    62620 See log for complete Python traceback. 
    62621  
    62622 Traceback (most recent call last): 
    62623 File
    62624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62625 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62626 return self._func(self._name, data) 
    62627 File
    62628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62629 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62630 if v.display: 
    62631 File
    62632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62633 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62634 return self._any_displayed_positions and len(self._positions) > 0 
    62635 TypeError: object of type 'NoneType' has no len() 
    62636  
    62637 During handling of the above exception, another exception occurred: 
    62638  
    62639 Traceback (most recent call last): 
    62640 File
    62641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62642 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62643 if not self.draw_new_frame(): 
    62644 File
    62645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62646 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62647 changed = view.check_for_drawing_change() 
    62648 File
    62649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62650 packages/chimerax/core/graphics/view.py", line 252, in
    62651 check_for_drawing_change 
    62652 trig.activate_trigger('graphics update', self) 
    62653 File
    62654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62655 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62656 trigger.activate(data) 
    62657 File
    62658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62659 packages/chimerax/core/triggerset.py", line 190, in activate 
    62660 ret = handler.invoke(data, self._remove_bad_handlers) 
    62661 File
    62662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62663 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62664 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62665 File
    62666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62667 packages/chimerax/core/session.py", line 943, in <lambda> 
    62668 logger.report_exception(preface=preface)) 
    62669 File
    62670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62671 packages/chimerax/core/logger.py", line 421, in report_exception 
    62672 elif probably_chimera1_session(exc_info): 
    62673 File
    62674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62675 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62676 etype, evalue, etraceback = exc_info 
    62677 TypeError: cannot unpack non-iterable NoneType object 
    62678  
    62679 TypeError: cannot unpack non-iterable NoneType object 
    62680  
    62681 File
    62682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62683 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62684 etype, evalue, etraceback = exc_info 
    62685  
    62686 See log for complete Python traceback. 
    62687  
    62688 Traceback (most recent call last): 
    62689 File
    62690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62691 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62692 return self._func(self._name, data) 
    62693 File
    62694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62695 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62696 if v.display: 
    62697 File
    62698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62699 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62700 return self._any_displayed_positions and len(self._positions) > 0 
    62701 TypeError: object of type 'NoneType' has no len() 
    62702  
    62703 During handling of the above exception, another exception occurred: 
    62704  
    62705 Traceback (most recent call last): 
    62706 File
    62707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62708 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62709 if not self.draw_new_frame(): 
    62710 File
    62711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62712 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62713 changed = view.check_for_drawing_change() 
    62714 File
    62715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62716 packages/chimerax/core/graphics/view.py", line 252, in
    62717 check_for_drawing_change 
    62718 trig.activate_trigger('graphics update', self) 
    62719 File
    62720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62721 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62722 trigger.activate(data) 
    62723 File
    62724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62725 packages/chimerax/core/triggerset.py", line 190, in activate 
    62726 ret = handler.invoke(data, self._remove_bad_handlers) 
    62727 File
    62728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62729 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62730 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62731 File
    62732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62733 packages/chimerax/core/session.py", line 943, in <lambda> 
    62734 logger.report_exception(preface=preface)) 
    62735 File
    62736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62737 packages/chimerax/core/logger.py", line 421, in report_exception 
    62738 elif probably_chimera1_session(exc_info): 
    62739 File
    62740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62741 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62742 etype, evalue, etraceback = exc_info 
    62743 TypeError: cannot unpack non-iterable NoneType object 
    62744  
    62745 TypeError: cannot unpack non-iterable NoneType object 
    62746  
    62747 File
    62748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62749 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62750 etype, evalue, etraceback = exc_info 
    62751  
    62752 See log for complete Python traceback. 
    62753  
    62754 Traceback (most recent call last): 
    62755 File
    62756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62757 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62758 return self._func(self._name, data) 
    62759 File
    62760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62761 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62762 if v.display: 
    62763 File
    62764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62765 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62766 return self._any_displayed_positions and len(self._positions) > 0 
    62767 TypeError: object of type 'NoneType' has no len() 
    62768  
    62769 During handling of the above exception, another exception occurred: 
    62770  
    62771 Traceback (most recent call last): 
    62772 File
    62773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62774 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62775 if not self.draw_new_frame(): 
    62776 File
    62777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62778 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62779 changed = view.check_for_drawing_change() 
    62780 File
    62781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62782 packages/chimerax/core/graphics/view.py", line 252, in
    62783 check_for_drawing_change 
    62784 trig.activate_trigger('graphics update', self) 
    62785 File
    62786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62787 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62788 trigger.activate(data) 
    62789 File
    62790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62791 packages/chimerax/core/triggerset.py", line 190, in activate 
    62792 ret = handler.invoke(data, self._remove_bad_handlers) 
    62793 File
    62794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62795 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62796 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62797 File
    62798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62799 packages/chimerax/core/session.py", line 943, in <lambda> 
    62800 logger.report_exception(preface=preface)) 
    62801 File
    62802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62803 packages/chimerax/core/logger.py", line 421, in report_exception 
    62804 elif probably_chimera1_session(exc_info): 
    62805 File
    62806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62807 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62808 etype, evalue, etraceback = exc_info 
    62809 TypeError: cannot unpack non-iterable NoneType object 
    62810  
    62811 TypeError: cannot unpack non-iterable NoneType object 
    62812  
    62813 File
    62814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62815 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62816 etype, evalue, etraceback = exc_info 
    62817  
    62818 See log for complete Python traceback. 
    62819  
    62820 Traceback (most recent call last): 
    62821 File
    62822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62823 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62824 return self._func(self._name, data) 
    62825 File
    62826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62827 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62828 if v.display: 
    62829 File
    62830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62831 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62832 return self._any_displayed_positions and len(self._positions) > 0 
    62833 TypeError: object of type 'NoneType' has no len() 
    62834  
    62835 During handling of the above exception, another exception occurred: 
    62836  
    62837 Traceback (most recent call last): 
    62838 File
    62839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62840 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62841 if not self.draw_new_frame(): 
    62842 File
    62843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62844 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62845 changed = view.check_for_drawing_change() 
    62846 File
    62847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62848 packages/chimerax/core/graphics/view.py", line 252, in
    62849 check_for_drawing_change 
    62850 trig.activate_trigger('graphics update', self) 
    62851 File
    62852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62853 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62854 trigger.activate(data) 
    62855 File
    62856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62857 packages/chimerax/core/triggerset.py", line 190, in activate 
    62858 ret = handler.invoke(data, self._remove_bad_handlers) 
    62859 File
    62860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62861 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62862 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62863 File
    62864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62865 packages/chimerax/core/session.py", line 943, in <lambda> 
    62866 logger.report_exception(preface=preface)) 
    62867 File
    62868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62869 packages/chimerax/core/logger.py", line 421, in report_exception 
    62870 elif probably_chimera1_session(exc_info): 
    62871 File
    62872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62873 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62874 etype, evalue, etraceback = exc_info 
    62875 TypeError: cannot unpack non-iterable NoneType object 
    62876  
    62877 TypeError: cannot unpack non-iterable NoneType object 
    62878  
    62879 File
    62880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62881 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62882 etype, evalue, etraceback = exc_info 
    62883  
    62884 See log for complete Python traceback. 
    62885  
    62886 Traceback (most recent call last): 
    62887 File
    62888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62889 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62890 return self._func(self._name, data) 
    62891 File
    62892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62893 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62894 if v.display: 
    62895 File
    62896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62897 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62898 return self._any_displayed_positions and len(self._positions) > 0 
    62899 TypeError: object of type 'NoneType' has no len() 
    62900  
    62901 During handling of the above exception, another exception occurred: 
    62902  
    62903 Traceback (most recent call last): 
    62904 File
    62905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62906 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62907 if not self.draw_new_frame(): 
    62908 File
    62909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62910 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62911 changed = view.check_for_drawing_change() 
    62912 File
    62913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62914 packages/chimerax/core/graphics/view.py", line 252, in
    62915 check_for_drawing_change 
    62916 trig.activate_trigger('graphics update', self) 
    62917 File
    62918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62919 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62920 trigger.activate(data) 
    62921 File
    62922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62923 packages/chimerax/core/triggerset.py", line 190, in activate 
    62924 ret = handler.invoke(data, self._remove_bad_handlers) 
    62925 File
    62926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62927 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62928 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62929 File
    62930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62931 packages/chimerax/core/session.py", line 943, in <lambda> 
    62932 logger.report_exception(preface=preface)) 
    62933 File
    62934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62935 packages/chimerax/core/logger.py", line 421, in report_exception 
    62936 elif probably_chimera1_session(exc_info): 
    62937 File
    62938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62939 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62940 etype, evalue, etraceback = exc_info 
    62941 TypeError: cannot unpack non-iterable NoneType object 
    62942  
    62943 TypeError: cannot unpack non-iterable NoneType object 
    62944  
    62945 File
    62946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62947 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62948 etype, evalue, etraceback = exc_info 
    62949  
    62950 See log for complete Python traceback. 
    62951  
    62952 Traceback (most recent call last): 
    62953 File
    62954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62955 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62956 return self._func(self._name, data) 
    62957 File
    62958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62959 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62960 if v.display: 
    62961 File
    62962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62963 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62964 return self._any_displayed_positions and len(self._positions) > 0 
    62965 TypeError: object of type 'NoneType' has no len() 
    62966  
    62967 During handling of the above exception, another exception occurred: 
    62968  
    62969 Traceback (most recent call last): 
    62970 File
    62971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62972 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62973 if not self.draw_new_frame(): 
    62974 File
    62975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62976 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62977 changed = view.check_for_drawing_change() 
    62978 File
    62979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62980 packages/chimerax/core/graphics/view.py", line 252, in
    62981 check_for_drawing_change 
    62982 trig.activate_trigger('graphics update', self) 
    62983 File
    62984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62985 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62986 trigger.activate(data) 
    62987 File
    62988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62989 packages/chimerax/core/triggerset.py", line 190, in activate 
    62990 ret = handler.invoke(data, self._remove_bad_handlers) 
    62991 File
    62992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62993 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62994 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62995 File
    62996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62997 packages/chimerax/core/session.py", line 943, in <lambda> 
    62998 logger.report_exception(preface=preface)) 
    62999 File
    63000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63001 packages/chimerax/core/logger.py", line 421, in report_exception 
    63002 elif probably_chimera1_session(exc_info): 
    63003 File
    63004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63005 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63006 etype, evalue, etraceback = exc_info 
    63007 TypeError: cannot unpack non-iterable NoneType object 
    63008  
    63009 TypeError: cannot unpack non-iterable NoneType object 
    63010  
    63011 File
    63012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63013 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63014 etype, evalue, etraceback = exc_info 
    63015  
    63016 See log for complete Python traceback. 
    63017  
    63018 Traceback (most recent call last): 
    63019 File
    63020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63021 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63022 return self._func(self._name, data) 
    63023 File
    63024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63025 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63026 if v.display: 
    63027 File
    63028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63029 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63030 return self._any_displayed_positions and len(self._positions) > 0 
    63031 TypeError: object of type 'NoneType' has no len() 
    63032  
    63033 During handling of the above exception, another exception occurred: 
    63034  
    63035 Traceback (most recent call last): 
    63036 File
    63037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63038 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63039 if not self.draw_new_frame(): 
    63040 File
    63041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63042 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63043 changed = view.check_for_drawing_change() 
    63044 File
    63045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63046 packages/chimerax/core/graphics/view.py", line 252, in
    63047 check_for_drawing_change 
    63048 trig.activate_trigger('graphics update', self) 
    63049 File
    63050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63051 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63052 trigger.activate(data) 
    63053 File
    63054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63055 packages/chimerax/core/triggerset.py", line 190, in activate 
    63056 ret = handler.invoke(data, self._remove_bad_handlers) 
    63057 File
    63058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63059 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63060 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63061 File
    63062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63063 packages/chimerax/core/session.py", line 943, in <lambda> 
    63064 logger.report_exception(preface=preface)) 
    63065 File
    63066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63067 packages/chimerax/core/logger.py", line 421, in report_exception 
    63068 elif probably_chimera1_session(exc_info): 
    63069 File
    63070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63071 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63072 etype, evalue, etraceback = exc_info 
    63073 TypeError: cannot unpack non-iterable NoneType object 
    63074  
    63075 TypeError: cannot unpack non-iterable NoneType object 
    63076  
    63077 File
    63078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63079 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63080 etype, evalue, etraceback = exc_info 
    63081  
    63082 See log for complete Python traceback. 
    63083  
    63084 Traceback (most recent call last): 
    63085 File
    63086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63087 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63088 return self._func(self._name, data) 
    63089 File
    63090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63091 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63092 if v.display: 
    63093 File
    63094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63095 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63096 return self._any_displayed_positions and len(self._positions) > 0 
    63097 TypeError: object of type 'NoneType' has no len() 
    63098  
    63099 During handling of the above exception, another exception occurred: 
    63100  
    63101 Traceback (most recent call last): 
    63102 File
    63103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63104 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63105 if not self.draw_new_frame(): 
    63106 File
    63107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63108 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63109 changed = view.check_for_drawing_change() 
    63110 File
    63111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63112 packages/chimerax/core/graphics/view.py", line 252, in
    63113 check_for_drawing_change 
    63114 trig.activate_trigger('graphics update', self) 
    63115 File
    63116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63117 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63118 trigger.activate(data) 
    63119 File
    63120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63121 packages/chimerax/core/triggerset.py", line 190, in activate 
    63122 ret = handler.invoke(data, self._remove_bad_handlers) 
    63123 File
    63124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63125 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63126 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63127 File
    63128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63129 packages/chimerax/core/session.py", line 943, in <lambda> 
    63130 logger.report_exception(preface=preface)) 
    63131 File
    63132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63133 packages/chimerax/core/logger.py", line 421, in report_exception 
    63134 elif probably_chimera1_session(exc_info): 
    63135 File
    63136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63137 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63138 etype, evalue, etraceback = exc_info 
    63139 TypeError: cannot unpack non-iterable NoneType object 
    63140  
    63141 TypeError: cannot unpack non-iterable NoneType object 
    63142  
    63143 File
    63144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63145 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63146 etype, evalue, etraceback = exc_info 
    63147  
    63148 See log for complete Python traceback. 
    63149  
    63150 Traceback (most recent call last): 
    63151 File
    63152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63153 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63154 return self._func(self._name, data) 
    63155 File
    63156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63157 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63158 if v.display: 
    63159 File
    63160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63161 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63162 return self._any_displayed_positions and len(self._positions) > 0 
    63163 TypeError: object of type 'NoneType' has no len() 
    63164  
    63165 During handling of the above exception, another exception occurred: 
    63166  
    63167 Traceback (most recent call last): 
    63168 File
    63169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63170 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63171 if not self.draw_new_frame(): 
    63172 File
    63173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63174 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63175 changed = view.check_for_drawing_change() 
    63176 File
    63177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63178 packages/chimerax/core/graphics/view.py", line 252, in
    63179 check_for_drawing_change 
    63180 trig.activate_trigger('graphics update', self) 
    63181 File
    63182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63183 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63184 trigger.activate(data) 
    63185 File
    63186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63187 packages/chimerax/core/triggerset.py", line 190, in activate 
    63188 ret = handler.invoke(data, self._remove_bad_handlers) 
    63189 File
    63190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63191 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63192 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63193 File
    63194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63195 packages/chimerax/core/session.py", line 943, in <lambda> 
    63196 logger.report_exception(preface=preface)) 
    63197 File
    63198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63199 packages/chimerax/core/logger.py", line 421, in report_exception 
    63200 elif probably_chimera1_session(exc_info): 
    63201 File
    63202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63203 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63204 etype, evalue, etraceback = exc_info 
    63205 TypeError: cannot unpack non-iterable NoneType object 
    63206  
    63207 TypeError: cannot unpack non-iterable NoneType object 
    63208  
    63209 File
    63210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63211 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63212 etype, evalue, etraceback = exc_info 
    63213  
    63214 See log for complete Python traceback. 
    63215  
    63216 Traceback (most recent call last): 
    63217 File
    63218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63219 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63220 return self._func(self._name, data) 
    63221 File
    63222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63223 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63224 if v.display: 
    63225 File
    63226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63227 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63228 return self._any_displayed_positions and len(self._positions) > 0 
    63229 TypeError: object of type 'NoneType' has no len() 
    63230  
    63231 During handling of the above exception, another exception occurred: 
    63232  
    63233 Traceback (most recent call last): 
    63234 File
    63235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63236 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63237 if not self.draw_new_frame(): 
    63238 File
    63239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63240 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63241 changed = view.check_for_drawing_change() 
    63242 File
    63243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63244 packages/chimerax/core/graphics/view.py", line 252, in
    63245 check_for_drawing_change 
    63246 trig.activate_trigger('graphics update', self) 
    63247 File
    63248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63249 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63250 trigger.activate(data) 
    63251 File
    63252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63253 packages/chimerax/core/triggerset.py", line 190, in activate 
    63254 ret = handler.invoke(data, self._remove_bad_handlers) 
    63255 File
    63256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63257 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63258 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63259 File
    63260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63261 packages/chimerax/core/session.py", line 943, in <lambda> 
    63262 logger.report_exception(preface=preface)) 
    63263 File
    63264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63265 packages/chimerax/core/logger.py", line 421, in report_exception 
    63266 elif probably_chimera1_session(exc_info): 
    63267 File
    63268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63269 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63270 etype, evalue, etraceback = exc_info 
    63271 TypeError: cannot unpack non-iterable NoneType object 
    63272  
    63273 TypeError: cannot unpack non-iterable NoneType object 
    63274  
    63275 File
    63276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63277 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63278 etype, evalue, etraceback = exc_info 
    63279  
    63280 See log for complete Python traceback. 
    63281  
    63282 Traceback (most recent call last): 
    63283 File
    63284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63285 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63286 return self._func(self._name, data) 
    63287 File
    63288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63289 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63290 if v.display: 
    63291 File
    63292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63293 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63294 return self._any_displayed_positions and len(self._positions) > 0 
    63295 TypeError: object of type 'NoneType' has no len() 
    63296  
    63297 During handling of the above exception, another exception occurred: 
    63298  
    63299 Traceback (most recent call last): 
    63300 File
    63301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63302 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63303 if not self.draw_new_frame(): 
    63304 File
    63305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63306 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63307 changed = view.check_for_drawing_change() 
    63308 File
    63309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63310 packages/chimerax/core/graphics/view.py", line 252, in
    63311 check_for_drawing_change 
    63312 trig.activate_trigger('graphics update', self) 
    63313 File
    63314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63315 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63316 trigger.activate(data) 
    63317 File
    63318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63319 packages/chimerax/core/triggerset.py", line 190, in activate 
    63320 ret = handler.invoke(data, self._remove_bad_handlers) 
    63321 File
    63322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63323 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63324 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63325 File
    63326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63327 packages/chimerax/core/session.py", line 943, in <lambda> 
    63328 logger.report_exception(preface=preface)) 
    63329 File
    63330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63331 packages/chimerax/core/logger.py", line 421, in report_exception 
    63332 elif probably_chimera1_session(exc_info): 
    63333 File
    63334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63335 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63336 etype, evalue, etraceback = exc_info 
    63337 TypeError: cannot unpack non-iterable NoneType object 
    63338  
    63339 TypeError: cannot unpack non-iterable NoneType object 
    63340  
    63341 File
    63342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63343 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63344 etype, evalue, etraceback = exc_info 
    63345  
    63346 See log for complete Python traceback. 
    63347  
    63348 Traceback (most recent call last): 
    63349 File
    63350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63351 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63352 return self._func(self._name, data) 
    63353 File
    63354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63355 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63356 if v.display: 
    63357 File
    63358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63359 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63360 return self._any_displayed_positions and len(self._positions) > 0 
    63361 TypeError: object of type 'NoneType' has no len() 
    63362  
    63363 During handling of the above exception, another exception occurred: 
    63364  
    63365 Traceback (most recent call last): 
    63366 File
    63367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63368 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63369 if not self.draw_new_frame(): 
    63370 File
    63371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63372 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63373 changed = view.check_for_drawing_change() 
    63374 File
    63375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63376 packages/chimerax/core/graphics/view.py", line 252, in
    63377 check_for_drawing_change 
    63378 trig.activate_trigger('graphics update', self) 
    63379 File
    63380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63381 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63382 trigger.activate(data) 
    63383 File
    63384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63385 packages/chimerax/core/triggerset.py", line 190, in activate 
    63386 ret = handler.invoke(data, self._remove_bad_handlers) 
    63387 File
    63388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63389 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63390 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63391 File
    63392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63393 packages/chimerax/core/session.py", line 943, in <lambda> 
    63394 logger.report_exception(preface=preface)) 
    63395 File
    63396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63397 packages/chimerax/core/logger.py", line 421, in report_exception 
    63398 elif probably_chimera1_session(exc_info): 
    63399 File
    63400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63401 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63402 etype, evalue, etraceback = exc_info 
    63403 TypeError: cannot unpack non-iterable NoneType object 
    63404  
    63405 TypeError: cannot unpack non-iterable NoneType object 
    63406  
    63407 File
    63408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63409 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63410 etype, evalue, etraceback = exc_info 
    63411  
    63412 See log for complete Python traceback. 
    63413  
    63414 Traceback (most recent call last): 
    63415 File
    63416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63417 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63418 return self._func(self._name, data) 
    63419 File
    63420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63421 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63422 if v.display: 
    63423 File
    63424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63425 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63426 return self._any_displayed_positions and len(self._positions) > 0 
    63427 TypeError: object of type 'NoneType' has no len() 
    63428  
    63429 During handling of the above exception, another exception occurred: 
    63430  
    63431 Traceback (most recent call last): 
    63432 File
    63433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63434 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63435 if not self.draw_new_frame(): 
    63436 File
    63437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63438 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63439 changed = view.check_for_drawing_change() 
    63440 File
    63441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63442 packages/chimerax/core/graphics/view.py", line 252, in
    63443 check_for_drawing_change 
    63444 trig.activate_trigger('graphics update', self) 
    63445 File
    63446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63447 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63448 trigger.activate(data) 
    63449 File
    63450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63451 packages/chimerax/core/triggerset.py", line 190, in activate 
    63452 ret = handler.invoke(data, self._remove_bad_handlers) 
    63453 File
    63454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63455 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63456 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63457 File
    63458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63459 packages/chimerax/core/session.py", line 943, in <lambda> 
    63460 logger.report_exception(preface=preface)) 
    63461 File
    63462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63463 packages/chimerax/core/logger.py", line 421, in report_exception 
    63464 elif probably_chimera1_session(exc_info): 
    63465 File
    63466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63467 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63468 etype, evalue, etraceback = exc_info 
    63469 TypeError: cannot unpack non-iterable NoneType object 
    63470  
    63471 TypeError: cannot unpack non-iterable NoneType object 
    63472  
    63473 File
    63474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63475 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63476 etype, evalue, etraceback = exc_info 
    63477  
    63478 See log for complete Python traceback. 
    63479  
    63480 Traceback (most recent call last): 
    63481 File
    63482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63483 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63484 return self._func(self._name, data) 
    63485 File
    63486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63487 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63488 if v.display: 
    63489 File
    63490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63491 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63492 return self._any_displayed_positions and len(self._positions) > 0 
    63493 TypeError: object of type 'NoneType' has no len() 
    63494  
    63495 During handling of the above exception, another exception occurred: 
    63496  
    63497 Traceback (most recent call last): 
    63498 File
    63499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63500 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63501 if not self.draw_new_frame(): 
    63502 File
    63503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63504 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63505 changed = view.check_for_drawing_change() 
    63506 File
    63507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63508 packages/chimerax/core/graphics/view.py", line 252, in
    63509 check_for_drawing_change 
    63510 trig.activate_trigger('graphics update', self) 
    63511 File
    63512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63513 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63514 trigger.activate(data) 
    63515 File
    63516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63517 packages/chimerax/core/triggerset.py", line 190, in activate 
    63518 ret = handler.invoke(data, self._remove_bad_handlers) 
    63519 File
    63520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63521 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63522 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63523 File
    63524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63525 packages/chimerax/core/session.py", line 943, in <lambda> 
    63526 logger.report_exception(preface=preface)) 
    63527 File
    63528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63529 packages/chimerax/core/logger.py", line 421, in report_exception 
    63530 elif probably_chimera1_session(exc_info): 
    63531 File
    63532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63533 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63534 etype, evalue, etraceback = exc_info 
    63535 TypeError: cannot unpack non-iterable NoneType object 
    63536  
    63537 TypeError: cannot unpack non-iterable NoneType object 
    63538  
    63539 File
    63540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63541 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63542 etype, evalue, etraceback = exc_info 
    63543  
    63544 See log for complete Python traceback. 
    63545  
    63546 Traceback (most recent call last): 
    63547 File
    63548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63549 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63550 return self._func(self._name, data) 
    63551 File
    63552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63553 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63554 if v.display: 
    63555 File
    63556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63557 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63558 return self._any_displayed_positions and len(self._positions) > 0 
    63559 TypeError: object of type 'NoneType' has no len() 
    63560  
    63561 During handling of the above exception, another exception occurred: 
    63562  
    63563 Traceback (most recent call last): 
    63564 File
    63565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63566 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63567 if not self.draw_new_frame(): 
    63568 File
    63569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63570 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63571 changed = view.check_for_drawing_change() 
    63572 File
    63573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63574 packages/chimerax/core/graphics/view.py", line 252, in
    63575 check_for_drawing_change 
    63576 trig.activate_trigger('graphics update', self) 
    63577 File
    63578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63579 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63580 trigger.activate(data) 
    63581 File
    63582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63583 packages/chimerax/core/triggerset.py", line 190, in activate 
    63584 ret = handler.invoke(data, self._remove_bad_handlers) 
    63585 File
    63586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63587 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63588 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63589 File
    63590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63591 packages/chimerax/core/session.py", line 943, in <lambda> 
    63592 logger.report_exception(preface=preface)) 
    63593 File
    63594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63595 packages/chimerax/core/logger.py", line 421, in report_exception 
    63596 elif probably_chimera1_session(exc_info): 
    63597 File
    63598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63599 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63600 etype, evalue, etraceback = exc_info 
    63601 TypeError: cannot unpack non-iterable NoneType object 
    63602  
    63603 TypeError: cannot unpack non-iterable NoneType object 
    63604  
    63605 File
    63606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63607 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63608 etype, evalue, etraceback = exc_info 
    63609  
    63610 See log for complete Python traceback. 
    63611  
    63612 Traceback (most recent call last): 
    63613 File
    63614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63615 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63616 return self._func(self._name, data) 
    63617 File
    63618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63619 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63620 if v.display: 
    63621 File
    63622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63623 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63624 return self._any_displayed_positions and len(self._positions) > 0 
    63625 TypeError: object of type 'NoneType' has no len() 
    63626  
    63627 During handling of the above exception, another exception occurred: 
    63628  
    63629 Traceback (most recent call last): 
    63630 File
    63631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63632 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63633 if not self.draw_new_frame(): 
    63634 File
    63635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63636 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63637 changed = view.check_for_drawing_change() 
    63638 File
    63639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63640 packages/chimerax/core/graphics/view.py", line 252, in
    63641 check_for_drawing_change 
    63642 trig.activate_trigger('graphics update', self) 
    63643 File
    63644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63645 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63646 trigger.activate(data) 
    63647 File
    63648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63649 packages/chimerax/core/triggerset.py", line 190, in activate 
    63650 ret = handler.invoke(data, self._remove_bad_handlers) 
    63651 File
    63652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63653 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63654 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63655 File
    63656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63657 packages/chimerax/core/session.py", line 943, in <lambda> 
    63658 logger.report_exception(preface=preface)) 
    63659 File
    63660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63661 packages/chimerax/core/logger.py", line 421, in report_exception 
    63662 elif probably_chimera1_session(exc_info): 
    63663 File
    63664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63665 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63666 etype, evalue, etraceback = exc_info 
    63667 TypeError: cannot unpack non-iterable NoneType object 
    63668  
    63669 TypeError: cannot unpack non-iterable NoneType object 
    63670  
    63671 File
    63672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63673 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63674 etype, evalue, etraceback = exc_info 
    63675  
    63676 See log for complete Python traceback. 
    63677  
    63678 Traceback (most recent call last): 
    63679 File
    63680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63681 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63682 return self._func(self._name, data) 
    63683 File
    63684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63685 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63686 if v.display: 
    63687 File
    63688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63689 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63690 return self._any_displayed_positions and len(self._positions) > 0 
    63691 TypeError: object of type 'NoneType' has no len() 
    63692  
    63693 During handling of the above exception, another exception occurred: 
    63694  
    63695 Traceback (most recent call last): 
    63696 File
    63697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63698 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63699 if not self.draw_new_frame(): 
    63700 File
    63701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63702 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63703 changed = view.check_for_drawing_change() 
    63704 File
    63705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63706 packages/chimerax/core/graphics/view.py", line 252, in
    63707 check_for_drawing_change 
    63708 trig.activate_trigger('graphics update', self) 
    63709 File
    63710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63711 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63712 trigger.activate(data) 
    63713 File
    63714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63715 packages/chimerax/core/triggerset.py", line 190, in activate 
    63716 ret = handler.invoke(data, self._remove_bad_handlers) 
    63717 File
    63718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63719 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63720 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63721 File
    63722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63723 packages/chimerax/core/session.py", line 943, in <lambda> 
    63724 logger.report_exception(preface=preface)) 
    63725 File
    63726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63727 packages/chimerax/core/logger.py", line 421, in report_exception 
    63728 elif probably_chimera1_session(exc_info): 
    63729 File
    63730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63731 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63732 etype, evalue, etraceback = exc_info 
    63733 TypeError: cannot unpack non-iterable NoneType object 
    63734  
    63735 TypeError: cannot unpack non-iterable NoneType object 
    63736  
    63737 File
    63738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63739 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63740 etype, evalue, etraceback = exc_info 
    63741  
    63742 See log for complete Python traceback. 
    63743  
    63744 Traceback (most recent call last): 
    63745 File
    63746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63747 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63748 return self._func(self._name, data) 
    63749 File
    63750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63751 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63752 if v.display: 
    63753 File
    63754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63755 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63756 return self._any_displayed_positions and len(self._positions) > 0 
    63757 TypeError: object of type 'NoneType' has no len() 
    63758  
    63759 During handling of the above exception, another exception occurred: 
    63760  
    63761 Traceback (most recent call last): 
    63762 File
    63763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63764 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63765 if not self.draw_new_frame(): 
    63766 File
    63767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63768 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63769 changed = view.check_for_drawing_change() 
    63770 File
    63771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63772 packages/chimerax/core/graphics/view.py", line 252, in
    63773 check_for_drawing_change 
    63774 trig.activate_trigger('graphics update', self) 
    63775 File
    63776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63777 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63778 trigger.activate(data) 
    63779 File
    63780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63781 packages/chimerax/core/triggerset.py", line 190, in activate 
    63782 ret = handler.invoke(data, self._remove_bad_handlers) 
    63783 File
    63784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63785 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63786 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63787 File
    63788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63789 packages/chimerax/core/session.py", line 943, in <lambda> 
    63790 logger.report_exception(preface=preface)) 
    63791 File
    63792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63793 packages/chimerax/core/logger.py", line 421, in report_exception 
    63794 elif probably_chimera1_session(exc_info): 
    63795 File
    63796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63797 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63798 etype, evalue, etraceback = exc_info 
    63799 TypeError: cannot unpack non-iterable NoneType object 
    63800  
    63801 TypeError: cannot unpack non-iterable NoneType object 
    63802  
    63803 File
    63804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63805 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63806 etype, evalue, etraceback = exc_info 
    63807  
    63808 See log for complete Python traceback. 
    63809  
    63810 Traceback (most recent call last): 
    63811 File
    63812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63813 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63814 return self._func(self._name, data) 
    63815 File
    63816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63817 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63818 if v.display: 
    63819 File
    63820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63821 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63822 return self._any_displayed_positions and len(self._positions) > 0 
    63823 TypeError: object of type 'NoneType' has no len() 
    63824  
    63825 During handling of the above exception, another exception occurred: 
    63826  
    63827 Traceback (most recent call last): 
    63828 File
    63829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63830 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63831 if not self.draw_new_frame(): 
    63832 File
    63833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63834 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63835 changed = view.check_for_drawing_change() 
    63836 File
    63837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63838 packages/chimerax/core/graphics/view.py", line 252, in
    63839 check_for_drawing_change 
    63840 trig.activate_trigger('graphics update', self) 
    63841 File
    63842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63843 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63844 trigger.activate(data) 
    63845 File
    63846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63847 packages/chimerax/core/triggerset.py", line 190, in activate 
    63848 ret = handler.invoke(data, self._remove_bad_handlers) 
    63849 File
    63850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63851 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63852 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63853 File
    63854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63855 packages/chimerax/core/session.py", line 943, in <lambda> 
    63856 logger.report_exception(preface=preface)) 
    63857 File
    63858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63859 packages/chimerax/core/logger.py", line 421, in report_exception 
    63860 elif probably_chimera1_session(exc_info): 
    63861 File
    63862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63863 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63864 etype, evalue, etraceback = exc_info 
    63865 TypeError: cannot unpack non-iterable NoneType object 
    63866  
    63867 TypeError: cannot unpack non-iterable NoneType object 
    63868  
    63869 File
    63870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63871 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63872 etype, evalue, etraceback = exc_info 
    63873  
    63874 See log for complete Python traceback. 
    63875  
    63876 Traceback (most recent call last): 
    63877 File
    63878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63879 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63880 return self._func(self._name, data) 
    63881 File
    63882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63883 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63884 if v.display: 
    63885 File
    63886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63887 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63888 return self._any_displayed_positions and len(self._positions) > 0 
    63889 TypeError: object of type 'NoneType' has no len() 
    63890  
    63891 During handling of the above exception, another exception occurred: 
    63892  
    63893 Traceback (most recent call last): 
    63894 File
    63895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63896 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63897 if not self.draw_new_frame(): 
    63898 File
    63899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63900 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63901 changed = view.check_for_drawing_change() 
    63902 File
    63903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63904 packages/chimerax/core/graphics/view.py", line 252, in
    63905 check_for_drawing_change 
    63906 trig.activate_trigger('graphics update', self) 
    63907 File
    63908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63909 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63910 trigger.activate(data) 
    63911 File
    63912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63913 packages/chimerax/core/triggerset.py", line 190, in activate 
    63914 ret = handler.invoke(data, self._remove_bad_handlers) 
    63915 File
    63916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63917 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63918 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63919 File
    63920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63921 packages/chimerax/core/session.py", line 943, in <lambda> 
    63922 logger.report_exception(preface=preface)) 
    63923 File
    63924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63925 packages/chimerax/core/logger.py", line 421, in report_exception 
    63926 elif probably_chimera1_session(exc_info): 
    63927 File
    63928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63929 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63930 etype, evalue, etraceback = exc_info 
    63931 TypeError: cannot unpack non-iterable NoneType object 
    63932  
    63933 TypeError: cannot unpack non-iterable NoneType object 
    63934  
    63935 File
    63936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63937 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63938 etype, evalue, etraceback = exc_info 
    63939  
    63940 See log for complete Python traceback. 
    63941  
    63942 Traceback (most recent call last): 
    63943 File
    63944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63945 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63946 return self._func(self._name, data) 
    63947 File
    63948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63949 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63950 if v.display: 
    63951 File
    63952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63953 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63954 return self._any_displayed_positions and len(self._positions) > 0 
    63955 TypeError: object of type 'NoneType' has no len() 
    63956  
    63957 During handling of the above exception, another exception occurred: 
    63958  
    63959 Traceback (most recent call last): 
    63960 File
    63961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63962 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63963 if not self.draw_new_frame(): 
    63964 File
    63965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63966 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63967 changed = view.check_for_drawing_change() 
    63968 File
    63969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63970 packages/chimerax/core/graphics/view.py", line 252, in
    63971 check_for_drawing_change 
    63972 trig.activate_trigger('graphics update', self) 
    63973 File
    63974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63975 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63976 trigger.activate(data) 
    63977 File
    63978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63979 packages/chimerax/core/triggerset.py", line 190, in activate 
    63980 ret = handler.invoke(data, self._remove_bad_handlers) 
    63981 File
    63982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63983 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63984 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63985 File
    63986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63987 packages/chimerax/core/session.py", line 943, in <lambda> 
    63988 logger.report_exception(preface=preface)) 
    63989 File
    63990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63991 packages/chimerax/core/logger.py", line 421, in report_exception 
    63992 elif probably_chimera1_session(exc_info): 
    63993 File
    63994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63995 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63996 etype, evalue, etraceback = exc_info 
    63997 TypeError: cannot unpack non-iterable NoneType object 
    63998  
    63999 TypeError: cannot unpack non-iterable NoneType object 
    64000  
    64001 File
    64002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64003 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64004 etype, evalue, etraceback = exc_info 
    64005  
    64006 See log for complete Python traceback. 
    64007  
    64008 Traceback (most recent call last): 
    64009 File
    64010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64011 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64012 return self._func(self._name, data) 
    64013 File
    64014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64015 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64016 if v.display: 
    64017 File
    64018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64019 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64020 return self._any_displayed_positions and len(self._positions) > 0 
    64021 TypeError: object of type 'NoneType' has no len() 
    64022  
    64023 During handling of the above exception, another exception occurred: 
    64024  
    64025 Traceback (most recent call last): 
    64026 File
    64027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64028 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64029 if not self.draw_new_frame(): 
    64030 File
    64031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64032 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64033 changed = view.check_for_drawing_change() 
    64034 File
    64035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64036 packages/chimerax/core/graphics/view.py", line 252, in
    64037 check_for_drawing_change 
    64038 trig.activate_trigger('graphics update', self) 
    64039 File
    64040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64041 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64042 trigger.activate(data) 
    64043 File
    64044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64045 packages/chimerax/core/triggerset.py", line 190, in activate 
    64046 ret = handler.invoke(data, self._remove_bad_handlers) 
    64047 File
    64048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64049 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64050 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64051 File
    64052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64053 packages/chimerax/core/session.py", line 943, in <lambda> 
    64054 logger.report_exception(preface=preface)) 
    64055 File
    64056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64057 packages/chimerax/core/logger.py", line 421, in report_exception 
    64058 elif probably_chimera1_session(exc_info): 
    64059 File
    64060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64061 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64062 etype, evalue, etraceback = exc_info 
    64063 TypeError: cannot unpack non-iterable NoneType object 
    64064  
    64065 TypeError: cannot unpack non-iterable NoneType object 
    64066  
    64067 File
    64068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64069 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64070 etype, evalue, etraceback = exc_info 
    64071  
    64072 See log for complete Python traceback. 
    64073  
    64074 Traceback (most recent call last): 
    64075 File
    64076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64077 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64078 return self._func(self._name, data) 
    64079 File
    64080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64081 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64082 if v.display: 
    64083 File
    64084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64085 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64086 return self._any_displayed_positions and len(self._positions) > 0 
    64087 TypeError: object of type 'NoneType' has no len() 
    64088  
    64089 During handling of the above exception, another exception occurred: 
    64090  
    64091 Traceback (most recent call last): 
    64092 File
    64093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64094 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64095 if not self.draw_new_frame(): 
    64096 File
    64097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64098 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64099 changed = view.check_for_drawing_change() 
    64100 File
    64101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64102 packages/chimerax/core/graphics/view.py", line 252, in
    64103 check_for_drawing_change 
    64104 trig.activate_trigger('graphics update', self) 
    64105 File
    64106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64107 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64108 trigger.activate(data) 
    64109 File
    64110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64111 packages/chimerax/core/triggerset.py", line 190, in activate 
    64112 ret = handler.invoke(data, self._remove_bad_handlers) 
    64113 File
    64114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64115 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64116 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64117 File
    64118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64119 packages/chimerax/core/session.py", line 943, in <lambda> 
    64120 logger.report_exception(preface=preface)) 
    64121 File
    64122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64123 packages/chimerax/core/logger.py", line 421, in report_exception 
    64124 elif probably_chimera1_session(exc_info): 
    64125 File
    64126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64127 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64128 etype, evalue, etraceback = exc_info 
    64129 TypeError: cannot unpack non-iterable NoneType object 
    64130  
    64131 TypeError: cannot unpack non-iterable NoneType object 
    64132  
    64133 File
    64134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64135 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64136 etype, evalue, etraceback = exc_info 
    64137  
    64138 See log for complete Python traceback. 
    64139  
    64140 Traceback (most recent call last): 
    64141 File
    64142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64143 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64144 return self._func(self._name, data) 
    64145 File
    64146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64147 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64148 if v.display: 
    64149 File
    64150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64151 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64152 return self._any_displayed_positions and len(self._positions) > 0 
    64153 TypeError: object of type 'NoneType' has no len() 
    64154  
    64155 During handling of the above exception, another exception occurred: 
    64156  
    64157 Traceback (most recent call last): 
    64158 File
    64159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64160 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64161 if not self.draw_new_frame(): 
    64162 File
    64163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64164 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64165 changed = view.check_for_drawing_change() 
    64166 File
    64167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64168 packages/chimerax/core/graphics/view.py", line 252, in
    64169 check_for_drawing_change 
    64170 trig.activate_trigger('graphics update', self) 
    64171 File
    64172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64173 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64174 trigger.activate(data) 
    64175 File
    64176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64177 packages/chimerax/core/triggerset.py", line 190, in activate 
    64178 ret = handler.invoke(data, self._remove_bad_handlers) 
    64179 File
    64180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64181 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64182 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64183 File
    64184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64185 packages/chimerax/core/session.py", line 943, in <lambda> 
    64186 logger.report_exception(preface=preface)) 
    64187 File
    64188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64189 packages/chimerax/core/logger.py", line 421, in report_exception 
    64190 elif probably_chimera1_session(exc_info): 
    64191 File
    64192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64193 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64194 etype, evalue, etraceback = exc_info 
    64195 TypeError: cannot unpack non-iterable NoneType object 
    64196  
    64197 TypeError: cannot unpack non-iterable NoneType object 
    64198  
    64199 File
    64200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64201 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64202 etype, evalue, etraceback = exc_info 
    64203  
    64204 See log for complete Python traceback. 
    64205  
    64206 Traceback (most recent call last): 
    64207 File
    64208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64209 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64210 return self._func(self._name, data) 
    64211 File
    64212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64213 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64214 if v.display: 
    64215 File
    64216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64217 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64218 return self._any_displayed_positions and len(self._positions) > 0 
    64219 TypeError: object of type 'NoneType' has no len() 
    64220  
    64221 During handling of the above exception, another exception occurred: 
    64222  
    64223 Traceback (most recent call last): 
    64224 File
    64225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64226 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64227 if not self.draw_new_frame(): 
    64228 File
    64229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64230 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64231 changed = view.check_for_drawing_change() 
    64232 File
    64233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64234 packages/chimerax/core/graphics/view.py", line 252, in
    64235 check_for_drawing_change 
    64236 trig.activate_trigger('graphics update', self) 
    64237 File
    64238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64239 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64240 trigger.activate(data) 
    64241 File
    64242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64243 packages/chimerax/core/triggerset.py", line 190, in activate 
    64244 ret = handler.invoke(data, self._remove_bad_handlers) 
    64245 File
    64246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64247 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64248 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64249 File
    64250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64251 packages/chimerax/core/session.py", line 943, in <lambda> 
    64252 logger.report_exception(preface=preface)) 
    64253 File
    64254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64255 packages/chimerax/core/logger.py", line 421, in report_exception 
    64256 elif probably_chimera1_session(exc_info): 
    64257 File
    64258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64259 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64260 etype, evalue, etraceback = exc_info 
    64261 TypeError: cannot unpack non-iterable NoneType object 
    64262  
    64263 TypeError: cannot unpack non-iterable NoneType object 
    64264  
    64265 File
    64266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64267 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64268 etype, evalue, etraceback = exc_info 
    64269  
    64270 See log for complete Python traceback. 
    64271  
    64272 Traceback (most recent call last): 
    64273 File
    64274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64275 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64276 return self._func(self._name, data) 
    64277 File
    64278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64279 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64280 if v.display: 
    64281 File
    64282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64283 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64284 return self._any_displayed_positions and len(self._positions) > 0 
    64285 TypeError: object of type 'NoneType' has no len() 
    64286  
    64287 During handling of the above exception, another exception occurred: 
    64288  
    64289 Traceback (most recent call last): 
    64290 File
    64291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64292 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64293 if not self.draw_new_frame(): 
    64294 File
    64295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64296 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64297 changed = view.check_for_drawing_change() 
    64298 File
    64299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64300 packages/chimerax/core/graphics/view.py", line 252, in
    64301 check_for_drawing_change 
    64302 trig.activate_trigger('graphics update', self) 
    64303 File
    64304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64305 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64306 trigger.activate(data) 
    64307 File
    64308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64309 packages/chimerax/core/triggerset.py", line 190, in activate 
    64310 ret = handler.invoke(data, self._remove_bad_handlers) 
    64311 File
    64312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64313 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64314 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64315 File
    64316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64317 packages/chimerax/core/session.py", line 943, in <lambda> 
    64318 logger.report_exception(preface=preface)) 
    64319 File
    64320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64321 packages/chimerax/core/logger.py", line 421, in report_exception 
    64322 elif probably_chimera1_session(exc_info): 
    64323 File
    64324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64325 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64326 etype, evalue, etraceback = exc_info 
    64327 TypeError: cannot unpack non-iterable NoneType object 
    64328  
    64329 TypeError: cannot unpack non-iterable NoneType object 
    64330  
    64331 File
    64332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64333 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64334 etype, evalue, etraceback = exc_info 
    64335  
    64336 See log for complete Python traceback. 
    64337  
    64338 Traceback (most recent call last): 
    64339 File
    64340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64341 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64342 return self._func(self._name, data) 
    64343 File
    64344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64345 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64346 if v.display: 
    64347 File
    64348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64349 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64350 return self._any_displayed_positions and len(self._positions) > 0 
    64351 TypeError: object of type 'NoneType' has no len() 
    64352  
    64353 During handling of the above exception, another exception occurred: 
    64354  
    64355 Traceback (most recent call last): 
    64356 File
    64357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64358 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64359 if not self.draw_new_frame(): 
    64360 File
    64361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64362 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64363 changed = view.check_for_drawing_change() 
    64364 File
    64365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64366 packages/chimerax/core/graphics/view.py", line 252, in
    64367 check_for_drawing_change 
    64368 trig.activate_trigger('graphics update', self) 
    64369 File
    64370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64371 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64372 trigger.activate(data) 
    64373 File
    64374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64375 packages/chimerax/core/triggerset.py", line 190, in activate 
    64376 ret = handler.invoke(data, self._remove_bad_handlers) 
    64377 File
    64378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64379 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64380 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64381 File
    64382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64383 packages/chimerax/core/session.py", line 943, in <lambda> 
    64384 logger.report_exception(preface=preface)) 
    64385 File
    64386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64387 packages/chimerax/core/logger.py", line 421, in report_exception 
    64388 elif probably_chimera1_session(exc_info): 
    64389 File
    64390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64391 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64392 etype, evalue, etraceback = exc_info 
    64393 TypeError: cannot unpack non-iterable NoneType object 
    64394  
    64395 TypeError: cannot unpack non-iterable NoneType object 
    64396  
    64397 File
    64398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64399 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64400 etype, evalue, etraceback = exc_info 
    64401  
    64402 See log for complete Python traceback. 
    64403  
    64404 Traceback (most recent call last): 
    64405 File
    64406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64407 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64408 return self._func(self._name, data) 
    64409 File
    64410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64411 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64412 if v.display: 
    64413 File
    64414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64415 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64416 return self._any_displayed_positions and len(self._positions) > 0 
    64417 TypeError: object of type 'NoneType' has no len() 
    64418  
    64419 During handling of the above exception, another exception occurred: 
    64420  
    64421 Traceback (most recent call last): 
    64422 File
    64423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64424 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64425 if not self.draw_new_frame(): 
    64426 File
    64427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64428 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64429 changed = view.check_for_drawing_change() 
    64430 File
    64431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64432 packages/chimerax/core/graphics/view.py", line 252, in
    64433 check_for_drawing_change 
    64434 trig.activate_trigger('graphics update', self) 
    64435 File
    64436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64437 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64438 trigger.activate(data) 
    64439 File
    64440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64441 packages/chimerax/core/triggerset.py", line 190, in activate 
    64442 ret = handler.invoke(data, self._remove_bad_handlers) 
    64443 File
    64444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64445 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64446 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64447 File
    64448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64449 packages/chimerax/core/session.py", line 943, in <lambda> 
    64450 logger.report_exception(preface=preface)) 
    64451 File
    64452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64453 packages/chimerax/core/logger.py", line 421, in report_exception 
    64454 elif probably_chimera1_session(exc_info): 
    64455 File
    64456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64457 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64458 etype, evalue, etraceback = exc_info 
    64459 TypeError: cannot unpack non-iterable NoneType object 
    64460  
    64461 TypeError: cannot unpack non-iterable NoneType object 
    64462  
    64463 File
    64464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64465 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64466 etype, evalue, etraceback = exc_info 
    64467  
    64468 See log for complete Python traceback. 
    64469  
    64470 Traceback (most recent call last): 
    64471 File
    64472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64473 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64474 return self._func(self._name, data) 
    64475 File
    64476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64477 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64478 if v.display: 
    64479 File
    64480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64481 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64482 return self._any_displayed_positions and len(self._positions) > 0 
    64483 TypeError: object of type 'NoneType' has no len() 
    64484  
    64485 During handling of the above exception, another exception occurred: 
    64486  
    64487 Traceback (most recent call last): 
    64488 File
    64489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64490 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64491 if not self.draw_new_frame(): 
    64492 File
    64493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64494 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64495 changed = view.check_for_drawing_change() 
    64496 File
    64497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64498 packages/chimerax/core/graphics/view.py", line 252, in
    64499 check_for_drawing_change 
    64500 trig.activate_trigger('graphics update', self) 
    64501 File
    64502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64503 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64504 trigger.activate(data) 
    64505 File
    64506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64507 packages/chimerax/core/triggerset.py", line 190, in activate 
    64508 ret = handler.invoke(data, self._remove_bad_handlers) 
    64509 File
    64510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64511 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64512 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64513 File
    64514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64515 packages/chimerax/core/session.py", line 943, in <lambda> 
    64516 logger.report_exception(preface=preface)) 
    64517 File
    64518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64519 packages/chimerax/core/logger.py", line 421, in report_exception 
    64520 elif probably_chimera1_session(exc_info): 
    64521 File
    64522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64523 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64524 etype, evalue, etraceback = exc_info 
    64525 TypeError: cannot unpack non-iterable NoneType object 
    64526  
    64527 TypeError: cannot unpack non-iterable NoneType object 
    64528  
    64529 File
    64530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64531 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64532 etype, evalue, etraceback = exc_info 
    64533  
    64534 See log for complete Python traceback. 
    64535  
    64536 Traceback (most recent call last): 
    64537 File
    64538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64539 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64540 return self._func(self._name, data) 
    64541 File
    64542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64543 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64544 if v.display: 
    64545 File
    64546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64547 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64548 return self._any_displayed_positions and len(self._positions) > 0 
    64549 TypeError: object of type 'NoneType' has no len() 
    64550  
    64551 During handling of the above exception, another exception occurred: 
    64552  
    64553 Traceback (most recent call last): 
    64554 File
    64555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64556 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64557 if not self.draw_new_frame(): 
    64558 File
    64559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64560 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64561 changed = view.check_for_drawing_change() 
    64562 File
    64563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64564 packages/chimerax/core/graphics/view.py", line 252, in
    64565 check_for_drawing_change 
    64566 trig.activate_trigger('graphics update', self) 
    64567 File
    64568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64569 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64570 trigger.activate(data) 
    64571 File
    64572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64573 packages/chimerax/core/triggerset.py", line 190, in activate 
    64574 ret = handler.invoke(data, self._remove_bad_handlers) 
    64575 File
    64576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64577 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64578 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64579 File
    64580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64581 packages/chimerax/core/session.py", line 943, in <lambda> 
    64582 logger.report_exception(preface=preface)) 
    64583 File
    64584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64585 packages/chimerax/core/logger.py", line 421, in report_exception 
    64586 elif probably_chimera1_session(exc_info): 
    64587 File
    64588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64589 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64590 etype, evalue, etraceback = exc_info 
    64591 TypeError: cannot unpack non-iterable NoneType object 
    64592  
    64593 TypeError: cannot unpack non-iterable NoneType object 
    64594  
    64595 File
    64596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64597 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64598 etype, evalue, etraceback = exc_info 
    64599  
    64600 See log for complete Python traceback. 
    64601  
    64602 Traceback (most recent call last): 
    64603 File
    64604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64605 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64606 return self._func(self._name, data) 
    64607 File
    64608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64609 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64610 if v.display: 
    64611 File
    64612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64613 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64614 return self._any_displayed_positions and len(self._positions) > 0 
    64615 TypeError: object of type 'NoneType' has no len() 
    64616  
    64617 During handling of the above exception, another exception occurred: 
    64618  
    64619 Traceback (most recent call last): 
    64620 File
    64621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64622 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64623 if not self.draw_new_frame(): 
    64624 File
    64625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64626 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64627 changed = view.check_for_drawing_change() 
    64628 File
    64629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64630 packages/chimerax/core/graphics/view.py", line 252, in
    64631 check_for_drawing_change 
    64632 trig.activate_trigger('graphics update', self) 
    64633 File
    64634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64635 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64636 trigger.activate(data) 
    64637 File
    64638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64639 packages/chimerax/core/triggerset.py", line 190, in activate 
    64640 ret = handler.invoke(data, self._remove_bad_handlers) 
    64641 File
    64642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64643 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64644 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64645 File
    64646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64647 packages/chimerax/core/session.py", line 943, in <lambda> 
    64648 logger.report_exception(preface=preface)) 
    64649 File
    64650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64651 packages/chimerax/core/logger.py", line 421, in report_exception 
    64652 elif probably_chimera1_session(exc_info): 
    64653 File
    64654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64655 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64656 etype, evalue, etraceback = exc_info 
    64657 TypeError: cannot unpack non-iterable NoneType object 
    64658  
    64659 TypeError: cannot unpack non-iterable NoneType object 
    64660  
    64661 File
    64662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64663 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64664 etype, evalue, etraceback = exc_info 
    64665  
    64666 See log for complete Python traceback. 
    64667  
    64668 Traceback (most recent call last): 
    64669 File
    64670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64671 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64672 return self._func(self._name, data) 
    64673 File
    64674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64675 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64676 if v.display: 
    64677 File
    64678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64679 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64680 return self._any_displayed_positions and len(self._positions) > 0 
    64681 TypeError: object of type 'NoneType' has no len() 
    64682  
    64683 During handling of the above exception, another exception occurred: 
    64684  
    64685 Traceback (most recent call last): 
    64686 File
    64687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64688 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64689 if not self.draw_new_frame(): 
    64690 File
    64691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64692 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64693 changed = view.check_for_drawing_change() 
    64694 File
    64695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64696 packages/chimerax/core/graphics/view.py", line 252, in
    64697 check_for_drawing_change 
    64698 trig.activate_trigger('graphics update', self) 
    64699 File
    64700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64701 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64702 trigger.activate(data) 
    64703 File
    64704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64705 packages/chimerax/core/triggerset.py", line 190, in activate 
    64706 ret = handler.invoke(data, self._remove_bad_handlers) 
    64707 File
    64708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64709 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64710 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64711 File
    64712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64713 packages/chimerax/core/session.py", line 943, in <lambda> 
    64714 logger.report_exception(preface=preface)) 
    64715 File
    64716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64717 packages/chimerax/core/logger.py", line 421, in report_exception 
    64718 elif probably_chimera1_session(exc_info): 
    64719 File
    64720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64721 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64722 etype, evalue, etraceback = exc_info 
    64723 TypeError: cannot unpack non-iterable NoneType object 
    64724  
    64725 TypeError: cannot unpack non-iterable NoneType object 
    64726  
    64727 File
    64728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64729 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64730 etype, evalue, etraceback = exc_info 
    64731  
    64732 See log for complete Python traceback. 
    64733  
    64734 Traceback (most recent call last): 
    64735 File
    64736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64737 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64738 return self._func(self._name, data) 
    64739 File
    64740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64741 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64742 if v.display: 
    64743 File
    64744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64745 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64746 return self._any_displayed_positions and len(self._positions) > 0 
    64747 TypeError: object of type 'NoneType' has no len() 
    64748  
    64749 During handling of the above exception, another exception occurred: 
    64750  
    64751 Traceback (most recent call last): 
    64752 File
    64753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64754 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64755 if not self.draw_new_frame(): 
    64756 File
    64757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64758 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64759 changed = view.check_for_drawing_change() 
    64760 File
    64761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64762 packages/chimerax/core/graphics/view.py", line 252, in
    64763 check_for_drawing_change 
    64764 trig.activate_trigger('graphics update', self) 
    64765 File
    64766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64767 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64768 trigger.activate(data) 
    64769 File
    64770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64771 packages/chimerax/core/triggerset.py", line 190, in activate 
    64772 ret = handler.invoke(data, self._remove_bad_handlers) 
    64773 File
    64774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64775 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64776 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64777 File
    64778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64779 packages/chimerax/core/session.py", line 943, in <lambda> 
    64780 logger.report_exception(preface=preface)) 
    64781 File
    64782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64783 packages/chimerax/core/logger.py", line 421, in report_exception 
    64784 elif probably_chimera1_session(exc_info): 
    64785 File
    64786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64787 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64788 etype, evalue, etraceback = exc_info 
    64789 TypeError: cannot unpack non-iterable NoneType object 
    64790  
    64791 TypeError: cannot unpack non-iterable NoneType object 
    64792  
    64793 File
    64794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64795 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64796 etype, evalue, etraceback = exc_info 
    64797  
    64798 See log for complete Python traceback. 
    64799  
    64800 Traceback (most recent call last): 
    64801 File
    64802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64803 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64804 return self._func(self._name, data) 
    64805 File
    64806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64807 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64808 if v.display: 
    64809 File
    64810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64811 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64812 return self._any_displayed_positions and len(self._positions) > 0 
    64813 TypeError: object of type 'NoneType' has no len() 
    64814  
    64815 During handling of the above exception, another exception occurred: 
    64816  
    64817 Traceback (most recent call last): 
    64818 File
    64819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64820 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64821 if not self.draw_new_frame(): 
    64822 File
    64823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64824 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64825 changed = view.check_for_drawing_change() 
    64826 File
    64827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64828 packages/chimerax/core/graphics/view.py", line 252, in
    64829 check_for_drawing_change 
    64830 trig.activate_trigger('graphics update', self) 
    64831 File
    64832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64833 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64834 trigger.activate(data) 
    64835 File
    64836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64837 packages/chimerax/core/triggerset.py", line 190, in activate 
    64838 ret = handler.invoke(data, self._remove_bad_handlers) 
    64839 File
    64840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64841 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64842 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64843 File
    64844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64845 packages/chimerax/core/session.py", line 943, in <lambda> 
    64846 logger.report_exception(preface=preface)) 
    64847 File
    64848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64849 packages/chimerax/core/logger.py", line 421, in report_exception 
    64850 elif probably_chimera1_session(exc_info): 
    64851 File
    64852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64853 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64854 etype, evalue, etraceback = exc_info 
    64855 TypeError: cannot unpack non-iterable NoneType object 
    64856  
    64857 TypeError: cannot unpack non-iterable NoneType object 
    64858  
    64859 File
    64860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64861 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64862 etype, evalue, etraceback = exc_info 
    64863  
    64864 See log for complete Python traceback. 
    64865  
    64866 Traceback (most recent call last): 
    64867 File
    64868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64869 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64870 return self._func(self._name, data) 
    64871 File
    64872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64873 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64874 if v.display: 
    64875 File
    64876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64877 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64878 return self._any_displayed_positions and len(self._positions) > 0 
    64879 TypeError: object of type 'NoneType' has no len() 
    64880  
    64881 During handling of the above exception, another exception occurred: 
    64882  
    64883 Traceback (most recent call last): 
    64884 File
    64885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64886 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64887 if not self.draw_new_frame(): 
    64888 File
    64889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64890 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64891 changed = view.check_for_drawing_change() 
    64892 File
    64893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64894 packages/chimerax/core/graphics/view.py", line 252, in
    64895 check_for_drawing_change 
    64896 trig.activate_trigger('graphics update', self) 
    64897 File
    64898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64899 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64900 trigger.activate(data) 
    64901 File
    64902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64903 packages/chimerax/core/triggerset.py", line 190, in activate 
    64904 ret = handler.invoke(data, self._remove_bad_handlers) 
    64905 File
    64906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64907 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64908 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64909 File
    64910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64911 packages/chimerax/core/session.py", line 943, in <lambda> 
    64912 logger.report_exception(preface=preface)) 
    64913 File
    64914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64915 packages/chimerax/core/logger.py", line 421, in report_exception 
    64916 elif probably_chimera1_session(exc_info): 
    64917 File
    64918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64919 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64920 etype, evalue, etraceback = exc_info 
    64921 TypeError: cannot unpack non-iterable NoneType object 
    64922  
    64923 TypeError: cannot unpack non-iterable NoneType object 
    64924  
    64925 File
    64926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64927 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64928 etype, evalue, etraceback = exc_info 
    64929  
    64930 See log for complete Python traceback. 
    64931  
    64932 Traceback (most recent call last): 
    64933 File
    64934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64935 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64936 return self._func(self._name, data) 
    64937 File
    64938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64939 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64940 if v.display: 
    64941 File
    64942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64943 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64944 return self._any_displayed_positions and len(self._positions) > 0 
    64945 TypeError: object of type 'NoneType' has no len() 
    64946  
    64947 During handling of the above exception, another exception occurred: 
    64948  
    64949 Traceback (most recent call last): 
    64950 File
    64951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64952 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64953 if not self.draw_new_frame(): 
    64954 File
    64955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64956 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64957 changed = view.check_for_drawing_change() 
    64958 File
    64959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64960 packages/chimerax/core/graphics/view.py", line 252, in
    64961 check_for_drawing_change 
    64962 trig.activate_trigger('graphics update', self) 
    64963 File
    64964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64965 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64966 trigger.activate(data) 
    64967 File
    64968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64969 packages/chimerax/core/triggerset.py", line 190, in activate 
    64970 ret = handler.invoke(data, self._remove_bad_handlers) 
    64971 File
    64972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64973 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64974 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64975 File
    64976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64977 packages/chimerax/core/session.py", line 943, in <lambda> 
    64978 logger.report_exception(preface=preface)) 
    64979 File
    64980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64981 packages/chimerax/core/logger.py", line 421, in report_exception 
    64982 elif probably_chimera1_session(exc_info): 
    64983 File
    64984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64985 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64986 etype, evalue, etraceback = exc_info 
    64987 TypeError: cannot unpack non-iterable NoneType object 
    64988  
    64989 TypeError: cannot unpack non-iterable NoneType object 
    64990  
    64991 File
    64992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64993 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64994 etype, evalue, etraceback = exc_info 
    64995  
    64996 See log for complete Python traceback. 
    64997  
    64998 Traceback (most recent call last): 
    64999 File
    65000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65001 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65002 return self._func(self._name, data) 
    65003 File
    65004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65005 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65006 if v.display: 
    65007 File
    65008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65009 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65010 return self._any_displayed_positions and len(self._positions) > 0 
    65011 TypeError: object of type 'NoneType' has no len() 
    65012  
    65013 During handling of the above exception, another exception occurred: 
    65014  
    65015 Traceback (most recent call last): 
    65016 File
    65017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65018 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65019 if not self.draw_new_frame(): 
    65020 File
    65021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65022 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65023 changed = view.check_for_drawing_change() 
    65024 File
    65025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65026 packages/chimerax/core/graphics/view.py", line 252, in
    65027 check_for_drawing_change 
    65028 trig.activate_trigger('graphics update', self) 
    65029 File
    65030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65031 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65032 trigger.activate(data) 
    65033 File
    65034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65035 packages/chimerax/core/triggerset.py", line 190, in activate 
    65036 ret = handler.invoke(data, self._remove_bad_handlers) 
    65037 File
    65038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65039 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65040 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65041 File
    65042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65043 packages/chimerax/core/session.py", line 943, in <lambda> 
    65044 logger.report_exception(preface=preface)) 
    65045 File
    65046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65047 packages/chimerax/core/logger.py", line 421, in report_exception 
    65048 elif probably_chimera1_session(exc_info): 
    65049 File
    65050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65051 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65052 etype, evalue, etraceback = exc_info 
    65053 TypeError: cannot unpack non-iterable NoneType object 
    65054  
    65055 TypeError: cannot unpack non-iterable NoneType object 
    65056  
    65057 File
    65058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65059 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65060 etype, evalue, etraceback = exc_info 
    65061  
    65062 See log for complete Python traceback. 
    65063  
    65064 Traceback (most recent call last): 
    65065 File
    65066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65067 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65068 return self._func(self._name, data) 
    65069 File
    65070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65071 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65072 if v.display: 
    65073 File
    65074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65075 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65076 return self._any_displayed_positions and len(self._positions) > 0 
    65077 TypeError: object of type 'NoneType' has no len() 
    65078  
    65079 During handling of the above exception, another exception occurred: 
    65080  
    65081 Traceback (most recent call last): 
    65082 File
    65083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65084 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65085 if not self.draw_new_frame(): 
    65086 File
    65087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65088 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65089 changed = view.check_for_drawing_change() 
    65090 File
    65091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65092 packages/chimerax/core/graphics/view.py", line 252, in
    65093 check_for_drawing_change 
    65094 trig.activate_trigger('graphics update', self) 
    65095 File
    65096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65097 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65098 trigger.activate(data) 
    65099 File
    65100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65101 packages/chimerax/core/triggerset.py", line 190, in activate 
    65102 ret = handler.invoke(data, self._remove_bad_handlers) 
    65103 File
    65104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65105 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65106 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65107 File
    65108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65109 packages/chimerax/core/session.py", line 943, in <lambda> 
    65110 logger.report_exception(preface=preface)) 
    65111 File
    65112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65113 packages/chimerax/core/logger.py", line 421, in report_exception 
    65114 elif probably_chimera1_session(exc_info): 
    65115 File
    65116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65117 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65118 etype, evalue, etraceback = exc_info 
    65119 TypeError: cannot unpack non-iterable NoneType object 
    65120  
    65121 TypeError: cannot unpack non-iterable NoneType object 
    65122  
    65123 File
    65124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65125 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65126 etype, evalue, etraceback = exc_info 
    65127  
    65128 See log for complete Python traceback. 
    65129  
    65130 Traceback (most recent call last): 
    65131 File
    65132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65133 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65134 return self._func(self._name, data) 
    65135 File
    65136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65137 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65138 if v.display: 
    65139 File
    65140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65141 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65142 return self._any_displayed_positions and len(self._positions) > 0 
    65143 TypeError: object of type 'NoneType' has no len() 
    65144  
    65145 During handling of the above exception, another exception occurred: 
    65146  
    65147 Traceback (most recent call last): 
    65148 File
    65149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65150 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65151 if not self.draw_new_frame(): 
    65152 File
    65153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65154 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65155 changed = view.check_for_drawing_change() 
    65156 File
    65157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65158 packages/chimerax/core/graphics/view.py", line 252, in
    65159 check_for_drawing_change 
    65160 trig.activate_trigger('graphics update', self) 
    65161 File
    65162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65163 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65164 trigger.activate(data) 
    65165 File
    65166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65167 packages/chimerax/core/triggerset.py", line 190, in activate 
    65168 ret = handler.invoke(data, self._remove_bad_handlers) 
    65169 File
    65170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65171 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65172 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65173 File
    65174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65175 packages/chimerax/core/session.py", line 943, in <lambda> 
    65176 logger.report_exception(preface=preface)) 
    65177 File
    65178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65179 packages/chimerax/core/logger.py", line 421, in report_exception 
    65180 elif probably_chimera1_session(exc_info): 
    65181 File
    65182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65183 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65184 etype, evalue, etraceback = exc_info 
    65185 TypeError: cannot unpack non-iterable NoneType object 
    65186  
    65187 TypeError: cannot unpack non-iterable NoneType object 
    65188  
    65189 File
    65190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65191 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65192 etype, evalue, etraceback = exc_info 
    65193  
    65194 See log for complete Python traceback. 
    65195  
    65196 Traceback (most recent call last): 
    65197 File
    65198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65199 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65200 return self._func(self._name, data) 
    65201 File
    65202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65203 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65204 if v.display: 
    65205 File
    65206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65207 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65208 return self._any_displayed_positions and len(self._positions) > 0 
    65209 TypeError: object of type 'NoneType' has no len() 
    65210  
    65211 During handling of the above exception, another exception occurred: 
    65212  
    65213 Traceback (most recent call last): 
    65214 File
    65215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65216 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65217 if not self.draw_new_frame(): 
    65218 File
    65219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65220 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65221 changed = view.check_for_drawing_change() 
    65222 File
    65223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65224 packages/chimerax/core/graphics/view.py", line 252, in
    65225 check_for_drawing_change 
    65226 trig.activate_trigger('graphics update', self) 
    65227 File
    65228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65229 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65230 trigger.activate(data) 
    65231 File
    65232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65233 packages/chimerax/core/triggerset.py", line 190, in activate 
    65234 ret = handler.invoke(data, self._remove_bad_handlers) 
    65235 File
    65236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65237 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65238 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65239 File
    65240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65241 packages/chimerax/core/session.py", line 943, in <lambda> 
    65242 logger.report_exception(preface=preface)) 
    65243 File
    65244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65245 packages/chimerax/core/logger.py", line 421, in report_exception 
    65246 elif probably_chimera1_session(exc_info): 
    65247 File
    65248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65249 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65250 etype, evalue, etraceback = exc_info 
    65251 TypeError: cannot unpack non-iterable NoneType object 
    65252  
    65253 TypeError: cannot unpack non-iterable NoneType object 
    65254  
    65255 File
    65256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65257 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65258 etype, evalue, etraceback = exc_info 
    65259  
    65260 See log for complete Python traceback. 
    65261  
    65262 Traceback (most recent call last): 
    65263 File
    65264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65265 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65266 return self._func(self._name, data) 
    65267 File
    65268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65269 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65270 if v.display: 
    65271 File
    65272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65273 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65274 return self._any_displayed_positions and len(self._positions) > 0 
    65275 TypeError: object of type 'NoneType' has no len() 
    65276  
    65277 During handling of the above exception, another exception occurred: 
    65278  
    65279 Traceback (most recent call last): 
    65280 File
    65281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65282 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65283 if not self.draw_new_frame(): 
    65284 File
    65285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65286 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65287 changed = view.check_for_drawing_change() 
    65288 File
    65289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65290 packages/chimerax/core/graphics/view.py", line 252, in
    65291 check_for_drawing_change 
    65292 trig.activate_trigger('graphics update', self) 
    65293 File
    65294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65295 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65296 trigger.activate(data) 
    65297 File
    65298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65299 packages/chimerax/core/triggerset.py", line 190, in activate 
    65300 ret = handler.invoke(data, self._remove_bad_handlers) 
    65301 File
    65302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65303 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65304 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65305 File
    65306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65307 packages/chimerax/core/session.py", line 943, in <lambda> 
    65308 logger.report_exception(preface=preface)) 
    65309 File
    65310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65311 packages/chimerax/core/logger.py", line 421, in report_exception 
    65312 elif probably_chimera1_session(exc_info): 
    65313 File
    65314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65315 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65316 etype, evalue, etraceback = exc_info 
    65317 TypeError: cannot unpack non-iterable NoneType object 
    65318  
    65319 TypeError: cannot unpack non-iterable NoneType object 
    65320  
    65321 File
    65322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65323 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65324 etype, evalue, etraceback = exc_info 
    65325  
    65326 See log for complete Python traceback. 
    65327  
    65328 Traceback (most recent call last): 
    65329 File
    65330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65331 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65332 return self._func(self._name, data) 
    65333 File
    65334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65335 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65336 if v.display: 
    65337 File
    65338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65339 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65340 return self._any_displayed_positions and len(self._positions) > 0 
    65341 TypeError: object of type 'NoneType' has no len() 
    65342  
    65343 During handling of the above exception, another exception occurred: 
    65344  
    65345 Traceback (most recent call last): 
    65346 File
    65347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65348 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65349 if not self.draw_new_frame(): 
    65350 File
    65351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65352 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65353 changed = view.check_for_drawing_change() 
    65354 File
    65355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65356 packages/chimerax/core/graphics/view.py", line 252, in
    65357 check_for_drawing_change 
    65358 trig.activate_trigger('graphics update', self) 
    65359 File
    65360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65361 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65362 trigger.activate(data) 
    65363 File
    65364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65365 packages/chimerax/core/triggerset.py", line 190, in activate 
    65366 ret = handler.invoke(data, self._remove_bad_handlers) 
    65367 File
    65368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65369 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65370 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65371 File
    65372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65373 packages/chimerax/core/session.py", line 943, in <lambda> 
    65374 logger.report_exception(preface=preface)) 
    65375 File
    65376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65377 packages/chimerax/core/logger.py", line 421, in report_exception 
    65378 elif probably_chimera1_session(exc_info): 
    65379 File
    65380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65381 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65382 etype, evalue, etraceback = exc_info 
    65383 TypeError: cannot unpack non-iterable NoneType object 
    65384  
    65385 TypeError: cannot unpack non-iterable NoneType object 
    65386  
    65387 File
    65388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65389 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65390 etype, evalue, etraceback = exc_info 
    65391  
    65392 See log for complete Python traceback. 
    65393  
    65394 Traceback (most recent call last): 
    65395 File
    65396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65397 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65398 return self._func(self._name, data) 
    65399 File
    65400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65401 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65402 if v.display: 
    65403 File
    65404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65405 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65406 return self._any_displayed_positions and len(self._positions) > 0 
    65407 TypeError: object of type 'NoneType' has no len() 
    65408  
    65409 During handling of the above exception, another exception occurred: 
    65410  
    65411 Traceback (most recent call last): 
    65412 File
    65413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65414 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65415 if not self.draw_new_frame(): 
    65416 File
    65417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65418 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65419 changed = view.check_for_drawing_change() 
    65420 File
    65421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65422 packages/chimerax/core/graphics/view.py", line 252, in
    65423 check_for_drawing_change 
    65424 trig.activate_trigger('graphics update', self) 
    65425 File
    65426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65427 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65428 trigger.activate(data) 
    65429 File
    65430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65431 packages/chimerax/core/triggerset.py", line 190, in activate 
    65432 ret = handler.invoke(data, self._remove_bad_handlers) 
    65433 File
    65434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65435 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65436 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65437 File
    65438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65439 packages/chimerax/core/session.py", line 943, in <lambda> 
    65440 logger.report_exception(preface=preface)) 
    65441 File
    65442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65443 packages/chimerax/core/logger.py", line 421, in report_exception 
    65444 elif probably_chimera1_session(exc_info): 
    65445 File
    65446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65447 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65448 etype, evalue, etraceback = exc_info 
    65449 TypeError: cannot unpack non-iterable NoneType object 
    65450  
    65451 TypeError: cannot unpack non-iterable NoneType object 
    65452  
    65453 File
    65454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65455 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65456 etype, evalue, etraceback = exc_info 
    65457  
    65458 See log for complete Python traceback. 
    65459  
    65460 Traceback (most recent call last): 
    65461 File
    65462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65463 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65464 return self._func(self._name, data) 
    65465 File
    65466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65467 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65468 if v.display: 
    65469 File
    65470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65471 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65472 return self._any_displayed_positions and len(self._positions) > 0 
    65473 TypeError: object of type 'NoneType' has no len() 
    65474  
    65475 During handling of the above exception, another exception occurred: 
    65476  
    65477 Traceback (most recent call last): 
    65478 File
    65479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65480 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65481 if not self.draw_new_frame(): 
    65482 File
    65483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65484 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65485 changed = view.check_for_drawing_change() 
    65486 File
    65487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65488 packages/chimerax/core/graphics/view.py", line 252, in
    65489 check_for_drawing_change 
    65490 trig.activate_trigger('graphics update', self) 
    65491 File
    65492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65493 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65494 trigger.activate(data) 
    65495 File
    65496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65497 packages/chimerax/core/triggerset.py", line 190, in activate 
    65498 ret = handler.invoke(data, self._remove_bad_handlers) 
    65499 File
    65500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65501 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65502 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65503 File
    65504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65505 packages/chimerax/core/session.py", line 943, in <lambda> 
    65506 logger.report_exception(preface=preface)) 
    65507 File
    65508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65509 packages/chimerax/core/logger.py", line 421, in report_exception 
    65510 elif probably_chimera1_session(exc_info): 
    65511 File
    65512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65513 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65514 etype, evalue, etraceback = exc_info 
    65515 TypeError: cannot unpack non-iterable NoneType object 
    65516  
    65517 TypeError: cannot unpack non-iterable NoneType object 
    65518  
    65519 File
    65520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65521 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65522 etype, evalue, etraceback = exc_info 
    65523  
    65524 See log for complete Python traceback. 
    65525  
    65526 Traceback (most recent call last): 
    65527 File
    65528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65529 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65530 return self._func(self._name, data) 
    65531 File
    65532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65533 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65534 if v.display: 
    65535 File
    65536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65537 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65538 return self._any_displayed_positions and len(self._positions) > 0 
    65539 TypeError: object of type 'NoneType' has no len() 
    65540  
    65541 During handling of the above exception, another exception occurred: 
    65542  
    65543 Traceback (most recent call last): 
    65544 File
    65545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65546 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65547 if not self.draw_new_frame(): 
    65548 File
    65549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65550 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65551 changed = view.check_for_drawing_change() 
    65552 File
    65553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65554 packages/chimerax/core/graphics/view.py", line 252, in
    65555 check_for_drawing_change 
    65556 trig.activate_trigger('graphics update', self) 
    65557 File
    65558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65559 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65560 trigger.activate(data) 
    65561 File
    65562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65563 packages/chimerax/core/triggerset.py", line 190, in activate 
    65564 ret = handler.invoke(data, self._remove_bad_handlers) 
    65565 File
    65566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65567 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65568 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65569 File
    65570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65571 packages/chimerax/core/session.py", line 943, in <lambda> 
    65572 logger.report_exception(preface=preface)) 
    65573 File
    65574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65575 packages/chimerax/core/logger.py", line 421, in report_exception 
    65576 elif probably_chimera1_session(exc_info): 
    65577 File
    65578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65579 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65580 etype, evalue, etraceback = exc_info 
    65581 TypeError: cannot unpack non-iterable NoneType object 
    65582  
    65583 TypeError: cannot unpack non-iterable NoneType object 
    65584  
    65585 File
    65586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65587 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65588 etype, evalue, etraceback = exc_info 
    65589  
    65590 See log for complete Python traceback. 
    65591  
    65592 Traceback (most recent call last): 
    65593 File
    65594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65595 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65596 return self._func(self._name, data) 
    65597 File
    65598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65599 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65600 if v.display: 
    65601 File
    65602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65603 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65604 return self._any_displayed_positions and len(self._positions) > 0 
    65605 TypeError: object of type 'NoneType' has no len() 
    65606  
    65607 During handling of the above exception, another exception occurred: 
    65608  
    65609 Traceback (most recent call last): 
    65610 File
    65611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65612 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65613 if not self.draw_new_frame(): 
    65614 File
    65615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65616 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65617 changed = view.check_for_drawing_change() 
    65618 File
    65619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65620 packages/chimerax/core/graphics/view.py", line 252, in
    65621 check_for_drawing_change 
    65622 trig.activate_trigger('graphics update', self) 
    65623 File
    65624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65625 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65626 trigger.activate(data) 
    65627 File
    65628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65629 packages/chimerax/core/triggerset.py", line 190, in activate 
    65630 ret = handler.invoke(data, self._remove_bad_handlers) 
    65631 File
    65632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65633 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65634 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65635 File
    65636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65637 packages/chimerax/core/session.py", line 943, in <lambda> 
    65638 logger.report_exception(preface=preface)) 
    65639 File
    65640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65641 packages/chimerax/core/logger.py", line 421, in report_exception 
    65642 elif probably_chimera1_session(exc_info): 
    65643 File
    65644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65645 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65646 etype, evalue, etraceback = exc_info 
    65647 TypeError: cannot unpack non-iterable NoneType object 
    65648  
    65649 TypeError: cannot unpack non-iterable NoneType object 
    65650  
    65651 File
    65652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65653 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65654 etype, evalue, etraceback = exc_info 
    65655  
    65656 See log for complete Python traceback. 
    65657  
    65658 Traceback (most recent call last): 
    65659 File
    65660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65661 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65662 return self._func(self._name, data) 
    65663 File
    65664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65665 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65666 if v.display: 
    65667 File
    65668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65669 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65670 return self._any_displayed_positions and len(self._positions) > 0 
    65671 TypeError: object of type 'NoneType' has no len() 
    65672  
    65673 During handling of the above exception, another exception occurred: 
    65674  
    65675 Traceback (most recent call last): 
    65676 File
    65677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65678 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65679 if not self.draw_new_frame(): 
    65680 File
    65681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65682 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65683 changed = view.check_for_drawing_change() 
    65684 File
    65685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65686 packages/chimerax/core/graphics/view.py", line 252, in
    65687 check_for_drawing_change 
    65688 trig.activate_trigger('graphics update', self) 
    65689 File
    65690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65691 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65692 trigger.activate(data) 
    65693 File
    65694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65695 packages/chimerax/core/triggerset.py", line 190, in activate 
    65696 ret = handler.invoke(data, self._remove_bad_handlers) 
    65697 File
    65698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65699 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65700 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65701 File
    65702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65703 packages/chimerax/core/session.py", line 943, in <lambda> 
    65704 logger.report_exception(preface=preface)) 
    65705 File
    65706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65707 packages/chimerax/core/logger.py", line 421, in report_exception 
    65708 elif probably_chimera1_session(exc_info): 
    65709 File
    65710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65711 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65712 etype, evalue, etraceback = exc_info 
    65713 TypeError: cannot unpack non-iterable NoneType object 
    65714  
    65715 TypeError: cannot unpack non-iterable NoneType object 
    65716  
    65717 File
    65718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65719 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65720 etype, evalue, etraceback = exc_info 
    65721  
    65722 See log for complete Python traceback. 
    65723  
    65724 Traceback (most recent call last): 
    65725 File
    65726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65727 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65728 return self._func(self._name, data) 
    65729 File
    65730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65731 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65732 if v.display: 
    65733 File
    65734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65735 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65736 return self._any_displayed_positions and len(self._positions) > 0 
    65737 TypeError: object of type 'NoneType' has no len() 
    65738  
    65739 During handling of the above exception, another exception occurred: 
    65740  
    65741 Traceback (most recent call last): 
    65742 File
    65743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65744 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65745 if not self.draw_new_frame(): 
    65746 File
    65747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65748 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65749 changed = view.check_for_drawing_change() 
    65750 File
    65751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65752 packages/chimerax/core/graphics/view.py", line 252, in
    65753 check_for_drawing_change 
    65754 trig.activate_trigger('graphics update', self) 
    65755 File
    65756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65757 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65758 trigger.activate(data) 
    65759 File
    65760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65761 packages/chimerax/core/triggerset.py", line 190, in activate 
    65762 ret = handler.invoke(data, self._remove_bad_handlers) 
    65763 File
    65764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65765 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65766 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65767 File
    65768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65769 packages/chimerax/core/session.py", line 943, in <lambda> 
    65770 logger.report_exception(preface=preface)) 
    65771 File
    65772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65773 packages/chimerax/core/logger.py", line 421, in report_exception 
    65774 elif probably_chimera1_session(exc_info): 
    65775 File
    65776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65777 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65778 etype, evalue, etraceback = exc_info 
    65779 TypeError: cannot unpack non-iterable NoneType object 
    65780  
    65781 TypeError: cannot unpack non-iterable NoneType object 
    65782  
    65783 File
    65784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65785 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65786 etype, evalue, etraceback = exc_info 
    65787  
    65788 See log for complete Python traceback. 
    65789  
    65790 Traceback (most recent call last): 
    65791 File
    65792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65793 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65794 return self._func(self._name, data) 
    65795 File
    65796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65797 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65798 if v.display: 
    65799 File
    65800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65801 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65802 return self._any_displayed_positions and len(self._positions) > 0 
    65803 TypeError: object of type 'NoneType' has no len() 
    65804  
    65805 During handling of the above exception, another exception occurred: 
    65806  
    65807 Traceback (most recent call last): 
    65808 File
    65809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65810 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65811 if not self.draw_new_frame(): 
    65812 File
    65813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65814 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65815 changed = view.check_for_drawing_change() 
    65816 File
    65817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65818 packages/chimerax/core/graphics/view.py", line 252, in
    65819 check_for_drawing_change 
    65820 trig.activate_trigger('graphics update', self) 
    65821 File
    65822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65823 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65824 trigger.activate(data) 
    65825 File
    65826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65827 packages/chimerax/core/triggerset.py", line 190, in activate 
    65828 ret = handler.invoke(data, self._remove_bad_handlers) 
    65829 File
    65830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65831 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65832 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65833 File
    65834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65835 packages/chimerax/core/session.py", line 943, in <lambda> 
    65836 logger.report_exception(preface=preface)) 
    65837 File
    65838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65839 packages/chimerax/core/logger.py", line 421, in report_exception 
    65840 elif probably_chimera1_session(exc_info): 
    65841 File
    65842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65843 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65844 etype, evalue, etraceback = exc_info 
    65845 TypeError: cannot unpack non-iterable NoneType object 
    65846  
    65847 TypeError: cannot unpack non-iterable NoneType object 
    65848  
    65849 File
    65850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65851 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65852 etype, evalue, etraceback = exc_info 
    65853  
    65854 See log for complete Python traceback. 
    65855  
    65856 Traceback (most recent call last): 
    65857 File
    65858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65859 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65860 return self._func(self._name, data) 
    65861 File
    65862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65863 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65864 if v.display: 
    65865 File
    65866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65867 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65868 return self._any_displayed_positions and len(self._positions) > 0 
    65869 TypeError: object of type 'NoneType' has no len() 
    65870  
    65871 During handling of the above exception, another exception occurred: 
    65872  
    65873 Traceback (most recent call last): 
    65874 File
    65875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65876 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65877 if not self.draw_new_frame(): 
    65878 File
    65879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65880 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65881 changed = view.check_for_drawing_change() 
    65882 File
    65883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65884 packages/chimerax/core/graphics/view.py", line 252, in
    65885 check_for_drawing_change 
    65886 trig.activate_trigger('graphics update', self) 
    65887 File
    65888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65889 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65890 trigger.activate(data) 
    65891 File
    65892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65893 packages/chimerax/core/triggerset.py", line 190, in activate 
    65894 ret = handler.invoke(data, self._remove_bad_handlers) 
    65895 File
    65896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65897 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65898 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65899 File
    65900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65901 packages/chimerax/core/session.py", line 943, in <lambda> 
    65902 logger.report_exception(preface=preface)) 
    65903 File
    65904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65905 packages/chimerax/core/logger.py", line 421, in report_exception 
    65906 elif probably_chimera1_session(exc_info): 
    65907 File
    65908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65909 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65910 etype, evalue, etraceback = exc_info 
    65911 TypeError: cannot unpack non-iterable NoneType object 
    65912  
    65913 TypeError: cannot unpack non-iterable NoneType object 
    65914  
    65915 File
    65916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65917 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65918 etype, evalue, etraceback = exc_info 
    65919  
    65920 See log for complete Python traceback. 
    65921  
    65922 Traceback (most recent call last): 
    65923 File
    65924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65925 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65926 return self._func(self._name, data) 
    65927 File
    65928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65929 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65930 if v.display: 
    65931 File
    65932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65933 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65934 return self._any_displayed_positions and len(self._positions) > 0 
    65935 TypeError: object of type 'NoneType' has no len() 
    65936  
    65937 During handling of the above exception, another exception occurred: 
    65938  
    65939 Traceback (most recent call last): 
    65940 File
    65941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65942 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65943 if not self.draw_new_frame(): 
    65944 File
    65945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65946 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65947 changed = view.check_for_drawing_change() 
    65948 File
    65949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65950 packages/chimerax/core/graphics/view.py", line 252, in
    65951 check_for_drawing_change 
    65952 trig.activate_trigger('graphics update', self) 
    65953 File
    65954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65955 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65956 trigger.activate(data) 
    65957 File
    65958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65959 packages/chimerax/core/triggerset.py", line 190, in activate 
    65960 ret = handler.invoke(data, self._remove_bad_handlers) 
    65961 File
    65962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65963 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65964 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65965 File
    65966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65967 packages/chimerax/core/session.py", line 943, in <lambda> 
    65968 logger.report_exception(preface=preface)) 
    65969 File
    65970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65971 packages/chimerax/core/logger.py", line 421, in report_exception 
    65972 elif probably_chimera1_session(exc_info): 
    65973 File
    65974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65975 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65976 etype, evalue, etraceback = exc_info 
    65977 TypeError: cannot unpack non-iterable NoneType object 
    65978  
    65979 TypeError: cannot unpack non-iterable NoneType object 
    65980  
    65981 File
    65982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65983 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65984 etype, evalue, etraceback = exc_info 
    65985  
    65986 See log for complete Python traceback. 
    65987  
    65988 Traceback (most recent call last): 
    65989 File
    65990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65991 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65992 return self._func(self._name, data) 
    65993 File
    65994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65995 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65996 if v.display: 
    65997 File
    65998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65999 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66000 return self._any_displayed_positions and len(self._positions) > 0 
    66001 TypeError: object of type 'NoneType' has no len() 
    66002  
    66003 During handling of the above exception, another exception occurred: 
    66004  
    66005 Traceback (most recent call last): 
    66006 File
    66007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66008 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66009 if not self.draw_new_frame(): 
    66010 File
    66011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66012 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66013 changed = view.check_for_drawing_change() 
    66014 File
    66015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66016 packages/chimerax/core/graphics/view.py", line 252, in
    66017 check_for_drawing_change 
    66018 trig.activate_trigger('graphics update', self) 
    66019 File
    66020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66021 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66022 trigger.activate(data) 
    66023 File
    66024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66025 packages/chimerax/core/triggerset.py", line 190, in activate 
    66026 ret = handler.invoke(data, self._remove_bad_handlers) 
    66027 File
    66028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66029 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66030 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66031 File
    66032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66033 packages/chimerax/core/session.py", line 943, in <lambda> 
    66034 logger.report_exception(preface=preface)) 
    66035 File
    66036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66037 packages/chimerax/core/logger.py", line 421, in report_exception 
    66038 elif probably_chimera1_session(exc_info): 
    66039 File
    66040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66041 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66042 etype, evalue, etraceback = exc_info 
    66043 TypeError: cannot unpack non-iterable NoneType object 
    66044  
    66045 TypeError: cannot unpack non-iterable NoneType object 
    66046  
    66047 File
    66048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66049 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66050 etype, evalue, etraceback = exc_info 
    66051  
    66052 See log for complete Python traceback. 
    66053  
    66054 Traceback (most recent call last): 
    66055 File
    66056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66057 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66058 return self._func(self._name, data) 
    66059 File
    66060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66061 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66062 if v.display: 
    66063 File
    66064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66065 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66066 return self._any_displayed_positions and len(self._positions) > 0 
    66067 TypeError: object of type 'NoneType' has no len() 
    66068  
    66069 During handling of the above exception, another exception occurred: 
    66070  
    66071 Traceback (most recent call last): 
    66072 File
    66073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66074 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66075 if not self.draw_new_frame(): 
    66076 File
    66077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66078 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66079 changed = view.check_for_drawing_change() 
    66080 File
    66081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66082 packages/chimerax/core/graphics/view.py", line 252, in
    66083 check_for_drawing_change 
    66084 trig.activate_trigger('graphics update', self) 
    66085 File
    66086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66087 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66088 trigger.activate(data) 
    66089 File
    66090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66091 packages/chimerax/core/triggerset.py", line 190, in activate 
    66092 ret = handler.invoke(data, self._remove_bad_handlers) 
    66093 File
    66094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66095 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66096 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66097 File
    66098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66099 packages/chimerax/core/session.py", line 943, in <lambda> 
    66100 logger.report_exception(preface=preface)) 
    66101 File
    66102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66103 packages/chimerax/core/logger.py", line 421, in report_exception 
    66104 elif probably_chimera1_session(exc_info): 
    66105 File
    66106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66107 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66108 etype, evalue, etraceback = exc_info 
    66109 TypeError: cannot unpack non-iterable NoneType object 
    66110  
    66111 TypeError: cannot unpack non-iterable NoneType object 
    66112  
    66113 File
    66114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66115 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66116 etype, evalue, etraceback = exc_info 
    66117  
    66118 See log for complete Python traceback. 
    66119  
    66120 Traceback (most recent call last): 
    66121 File
    66122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66123 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66124 return self._func(self._name, data) 
    66125 File
    66126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66127 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66128 if v.display: 
    66129 File
    66130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66131 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66132 return self._any_displayed_positions and len(self._positions) > 0 
    66133 TypeError: object of type 'NoneType' has no len() 
    66134  
    66135 During handling of the above exception, another exception occurred: 
    66136  
    66137 Traceback (most recent call last): 
    66138 File
    66139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66140 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66141 if not self.draw_new_frame(): 
    66142 File
    66143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66144 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66145 changed = view.check_for_drawing_change() 
    66146 File
    66147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66148 packages/chimerax/core/graphics/view.py", line 252, in
    66149 check_for_drawing_change 
    66150 trig.activate_trigger('graphics update', self) 
    66151 File
    66152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66153 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66154 trigger.activate(data) 
    66155 File
    66156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66157 packages/chimerax/core/triggerset.py", line 190, in activate 
    66158 ret = handler.invoke(data, self._remove_bad_handlers) 
    66159 File
    66160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66161 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66162 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66163 File
    66164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66165 packages/chimerax/core/session.py", line 943, in <lambda> 
    66166 logger.report_exception(preface=preface)) 
    66167 File
    66168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66169 packages/chimerax/core/logger.py", line 421, in report_exception 
    66170 elif probably_chimera1_session(exc_info): 
    66171 File
    66172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66173 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66174 etype, evalue, etraceback = exc_info 
    66175 TypeError: cannot unpack non-iterable NoneType object 
    66176  
    66177 TypeError: cannot unpack non-iterable NoneType object 
    66178  
    66179 File
    66180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66181 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66182 etype, evalue, etraceback = exc_info 
    66183  
    66184 See log for complete Python traceback. 
    66185  
    66186 Traceback (most recent call last): 
    66187 File
    66188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66189 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66190 return self._func(self._name, data) 
    66191 File
    66192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66193 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66194 if v.display: 
    66195 File
    66196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66197 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66198 return self._any_displayed_positions and len(self._positions) > 0 
    66199 TypeError: object of type 'NoneType' has no len() 
    66200  
    66201 During handling of the above exception, another exception occurred: 
    66202  
    66203 Traceback (most recent call last): 
    66204 File
    66205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66206 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66207 if not self.draw_new_frame(): 
    66208 File
    66209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66210 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66211 changed = view.check_for_drawing_change() 
    66212 File
    66213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66214 packages/chimerax/core/graphics/view.py", line 252, in
    66215 check_for_drawing_change 
    66216 trig.activate_trigger('graphics update', self) 
    66217 File
    66218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66219 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66220 trigger.activate(data) 
    66221 File
    66222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66223 packages/chimerax/core/triggerset.py", line 190, in activate 
    66224 ret = handler.invoke(data, self._remove_bad_handlers) 
    66225 File
    66226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66227 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66228 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66229 File
    66230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66231 packages/chimerax/core/session.py", line 943, in <lambda> 
    66232 logger.report_exception(preface=preface)) 
    66233 File
    66234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66235 packages/chimerax/core/logger.py", line 421, in report_exception 
    66236 elif probably_chimera1_session(exc_info): 
    66237 File
    66238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66239 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66240 etype, evalue, etraceback = exc_info 
    66241 TypeError: cannot unpack non-iterable NoneType object 
    66242  
    66243 TypeError: cannot unpack non-iterable NoneType object 
    66244  
    66245 File
    66246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66247 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66248 etype, evalue, etraceback = exc_info 
    66249  
    66250 See log for complete Python traceback. 
    66251  
    66252 Traceback (most recent call last): 
    66253 File
    66254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66255 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66256 return self._func(self._name, data) 
    66257 File
    66258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66259 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66260 if v.display: 
    66261 File
    66262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66263 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66264 return self._any_displayed_positions and len(self._positions) > 0 
    66265 TypeError: object of type 'NoneType' has no len() 
    66266  
    66267 During handling of the above exception, another exception occurred: 
    66268  
    66269 Traceback (most recent call last): 
    66270 File
    66271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66272 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66273 if not self.draw_new_frame(): 
    66274 File
    66275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66276 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66277 changed = view.check_for_drawing_change() 
    66278 File
    66279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66280 packages/chimerax/core/graphics/view.py", line 252, in
    66281 check_for_drawing_change 
    66282 trig.activate_trigger('graphics update', self) 
    66283 File
    66284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66285 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66286 trigger.activate(data) 
    66287 File
    66288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66289 packages/chimerax/core/triggerset.py", line 190, in activate 
    66290 ret = handler.invoke(data, self._remove_bad_handlers) 
    66291 File
    66292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66293 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66294 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66295 File
    66296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66297 packages/chimerax/core/session.py", line 943, in <lambda> 
    66298 logger.report_exception(preface=preface)) 
    66299 File
    66300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66301 packages/chimerax/core/logger.py", line 421, in report_exception 
    66302 elif probably_chimera1_session(exc_info): 
    66303 File
    66304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66305 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66306 etype, evalue, etraceback = exc_info 
    66307 TypeError: cannot unpack non-iterable NoneType object 
    66308  
    66309 TypeError: cannot unpack non-iterable NoneType object 
    66310  
    66311 File
    66312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66313 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66314 etype, evalue, etraceback = exc_info 
    66315  
    66316 See log for complete Python traceback. 
    66317  
    66318 Traceback (most recent call last): 
    66319 File
    66320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66321 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66322 return self._func(self._name, data) 
    66323 File
    66324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66325 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66326 if v.display: 
    66327 File
    66328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66329 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66330 return self._any_displayed_positions and len(self._positions) > 0 
    66331 TypeError: object of type 'NoneType' has no len() 
    66332  
    66333 During handling of the above exception, another exception occurred: 
    66334  
    66335 Traceback (most recent call last): 
    66336 File
    66337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66338 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66339 if not self.draw_new_frame(): 
    66340 File
    66341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66342 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66343 changed = view.check_for_drawing_change() 
    66344 File
    66345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66346 packages/chimerax/core/graphics/view.py", line 252, in
    66347 check_for_drawing_change 
    66348 trig.activate_trigger('graphics update', self) 
    66349 File
    66350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66351 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66352 trigger.activate(data) 
    66353 File
    66354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66355 packages/chimerax/core/triggerset.py", line 190, in activate 
    66356 ret = handler.invoke(data, self._remove_bad_handlers) 
    66357 File
    66358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66359 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66360 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66361 File
    66362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66363 packages/chimerax/core/session.py", line 943, in <lambda> 
    66364 logger.report_exception(preface=preface)) 
    66365 File
    66366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66367 packages/chimerax/core/logger.py", line 421, in report_exception 
    66368 elif probably_chimera1_session(exc_info): 
    66369 File
    66370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66371 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66372 etype, evalue, etraceback = exc_info 
    66373 TypeError: cannot unpack non-iterable NoneType object 
    66374  
    66375 TypeError: cannot unpack non-iterable NoneType object 
    66376  
    66377 File
    66378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66379 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66380 etype, evalue, etraceback = exc_info 
    66381  
    66382 See log for complete Python traceback. 
    66383  
    66384 Traceback (most recent call last): 
    66385 File
    66386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66387 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66388 return self._func(self._name, data) 
    66389 File
    66390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66391 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66392 if v.display: 
    66393 File
    66394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66395 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66396 return self._any_displayed_positions and len(self._positions) > 0 
    66397 TypeError: object of type 'NoneType' has no len() 
    66398  
    66399 During handling of the above exception, another exception occurred: 
    66400  
    66401 Traceback (most recent call last): 
    66402 File
    66403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66404 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66405 if not self.draw_new_frame(): 
    66406 File
    66407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66408 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66409 changed = view.check_for_drawing_change() 
    66410 File
    66411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66412 packages/chimerax/core/graphics/view.py", line 252, in
    66413 check_for_drawing_change 
    66414 trig.activate_trigger('graphics update', self) 
    66415 File
    66416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66417 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66418 trigger.activate(data) 
    66419 File
    66420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66421 packages/chimerax/core/triggerset.py", line 190, in activate 
    66422 ret = handler.invoke(data, self._remove_bad_handlers) 
    66423 File
    66424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66425 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66426 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66427 File
    66428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66429 packages/chimerax/core/session.py", line 943, in <lambda> 
    66430 logger.report_exception(preface=preface)) 
    66431 File
    66432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66433 packages/chimerax/core/logger.py", line 421, in report_exception 
    66434 elif probably_chimera1_session(exc_info): 
    66435 File
    66436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66437 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66438 etype, evalue, etraceback = exc_info 
    66439 TypeError: cannot unpack non-iterable NoneType object 
    66440  
    66441 TypeError: cannot unpack non-iterable NoneType object 
    66442  
    66443 File
    66444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66445 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66446 etype, evalue, etraceback = exc_info 
    66447  
    66448 See log for complete Python traceback. 
    66449  
    66450 Traceback (most recent call last): 
    66451 File
    66452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66453 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66454 return self._func(self._name, data) 
    66455 File
    66456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66457 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66458 if v.display: 
    66459 File
    66460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66461 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66462 return self._any_displayed_positions and len(self._positions) > 0 
    66463 TypeError: object of type 'NoneType' has no len() 
    66464  
    66465 During handling of the above exception, another exception occurred: 
    66466  
    66467 Traceback (most recent call last): 
    66468 File
    66469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66470 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66471 if not self.draw_new_frame(): 
    66472 File
    66473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66474 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66475 changed = view.check_for_drawing_change() 
    66476 File
    66477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66478 packages/chimerax/core/graphics/view.py", line 252, in
    66479 check_for_drawing_change 
    66480 trig.activate_trigger('graphics update', self) 
    66481 File
    66482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66483 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66484 trigger.activate(data) 
    66485 File
    66486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66487 packages/chimerax/core/triggerset.py", line 190, in activate 
    66488 ret = handler.invoke(data, self._remove_bad_handlers) 
    66489 File
    66490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66491 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66492 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66493 File
    66494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66495 packages/chimerax/core/session.py", line 943, in <lambda> 
    66496 logger.report_exception(preface=preface)) 
    66497 File
    66498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66499 packages/chimerax/core/logger.py", line 421, in report_exception 
    66500 elif probably_chimera1_session(exc_info): 
    66501 File
    66502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66503 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66504 etype, evalue, etraceback = exc_info 
    66505 TypeError: cannot unpack non-iterable NoneType object 
    66506  
    66507 TypeError: cannot unpack non-iterable NoneType object 
    66508  
    66509 File
    66510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66511 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66512 etype, evalue, etraceback = exc_info 
    66513  
    66514 See log for complete Python traceback. 
    66515  
    66516 Traceback (most recent call last): 
    66517 File
    66518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66519 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66520 return self._func(self._name, data) 
    66521 File
    66522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66523 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66524 if v.display: 
    66525 File
    66526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66527 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66528 return self._any_displayed_positions and len(self._positions) > 0 
    66529 TypeError: object of type 'NoneType' has no len() 
    66530  
    66531 During handling of the above exception, another exception occurred: 
    66532  
    66533 Traceback (most recent call last): 
    66534 File
    66535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66536 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66537 if not self.draw_new_frame(): 
    66538 File
    66539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66540 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66541 changed = view.check_for_drawing_change() 
    66542 File
    66543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66544 packages/chimerax/core/graphics/view.py", line 252, in
    66545 check_for_drawing_change 
    66546 trig.activate_trigger('graphics update', self) 
    66547 File
    66548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66549 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66550 trigger.activate(data) 
    66551 File
    66552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66553 packages/chimerax/core/triggerset.py", line 190, in activate 
    66554 ret = handler.invoke(data, self._remove_bad_handlers) 
    66555 File
    66556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66557 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66558 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66559 File
    66560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66561 packages/chimerax/core/session.py", line 943, in <lambda> 
    66562 logger.report_exception(preface=preface)) 
    66563 File
    66564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66565 packages/chimerax/core/logger.py", line 421, in report_exception 
    66566 elif probably_chimera1_session(exc_info): 
    66567 File
    66568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66569 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66570 etype, evalue, etraceback = exc_info 
    66571 TypeError: cannot unpack non-iterable NoneType object 
    66572  
    66573 TypeError: cannot unpack non-iterable NoneType object 
    66574  
    66575 File
    66576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66577 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66578 etype, evalue, etraceback = exc_info 
    66579  
    66580 See log for complete Python traceback. 
    66581  
    66582 Traceback (most recent call last): 
    66583 File
    66584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66585 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66586 return self._func(self._name, data) 
    66587 File
    66588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66589 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66590 if v.display: 
    66591 File
    66592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66593 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66594 return self._any_displayed_positions and len(self._positions) > 0 
    66595 TypeError: object of type 'NoneType' has no len() 
    66596  
    66597 During handling of the above exception, another exception occurred: 
    66598  
    66599 Traceback (most recent call last): 
    66600 File
    66601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66602 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66603 if not self.draw_new_frame(): 
    66604 File
    66605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66606 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66607 changed = view.check_for_drawing_change() 
    66608 File
    66609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66610 packages/chimerax/core/graphics/view.py", line 252, in
    66611 check_for_drawing_change 
    66612 trig.activate_trigger('graphics update', self) 
    66613 File
    66614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66615 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66616 trigger.activate(data) 
    66617 File
    66618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66619 packages/chimerax/core/triggerset.py", line 190, in activate 
    66620 ret = handler.invoke(data, self._remove_bad_handlers) 
    66621 File
    66622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66623 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66624 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66625 File
    66626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66627 packages/chimerax/core/session.py", line 943, in <lambda> 
    66628 logger.report_exception(preface=preface)) 
    66629 File
    66630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66631 packages/chimerax/core/logger.py", line 421, in report_exception 
    66632 elif probably_chimera1_session(exc_info): 
    66633 File
    66634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66635 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66636 etype, evalue, etraceback = exc_info 
    66637 TypeError: cannot unpack non-iterable NoneType object 
    66638  
    66639 TypeError: cannot unpack non-iterable NoneType object 
    66640  
    66641 File
    66642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66643 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66644 etype, evalue, etraceback = exc_info 
    66645  
    66646 See log for complete Python traceback. 
    66647  
    66648 Traceback (most recent call last): 
    66649 File
    66650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66651 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66652 return self._func(self._name, data) 
    66653 File
    66654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66655 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66656 if v.display: 
    66657 File
    66658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66659 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66660 return self._any_displayed_positions and len(self._positions) > 0 
    66661 TypeError: object of type 'NoneType' has no len() 
    66662  
    66663 During handling of the above exception, another exception occurred: 
    66664  
    66665 Traceback (most recent call last): 
    66666 File
    66667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66668 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66669 if not self.draw_new_frame(): 
    66670 File
    66671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66672 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66673 changed = view.check_for_drawing_change() 
    66674 File
    66675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66676 packages/chimerax/core/graphics/view.py", line 252, in
    66677 check_for_drawing_change 
    66678 trig.activate_trigger('graphics update', self) 
    66679 File
    66680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66681 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66682 trigger.activate(data) 
    66683 File
    66684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66685 packages/chimerax/core/triggerset.py", line 190, in activate 
    66686 ret = handler.invoke(data, self._remove_bad_handlers) 
    66687 File
    66688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66689 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66690 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66691 File
    66692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66693 packages/chimerax/core/session.py", line 943, in <lambda> 
    66694 logger.report_exception(preface=preface)) 
    66695 File
    66696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66697 packages/chimerax/core/logger.py", line 421, in report_exception 
    66698 elif probably_chimera1_session(exc_info): 
    66699 File
    66700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66701 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66702 etype, evalue, etraceback = exc_info 
    66703 TypeError: cannot unpack non-iterable NoneType object 
    66704  
    66705 TypeError: cannot unpack non-iterable NoneType object 
    66706  
    66707 File
    66708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66709 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66710 etype, evalue, etraceback = exc_info 
    66711  
    66712 See log for complete Python traceback. 
    66713  
    66714 Traceback (most recent call last): 
    66715 File
    66716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66717 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66718 return self._func(self._name, data) 
    66719 File
    66720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66721 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66722 if v.display: 
    66723 File
    66724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66725 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66726 return self._any_displayed_positions and len(self._positions) > 0 
    66727 TypeError: object of type 'NoneType' has no len() 
    66728  
    66729 During handling of the above exception, another exception occurred: 
    66730  
    66731 Traceback (most recent call last): 
    66732 File
    66733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66734 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66735 if not self.draw_new_frame(): 
    66736 File
    66737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66738 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66739 changed = view.check_for_drawing_change() 
    66740 File
    66741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66742 packages/chimerax/core/graphics/view.py", line 252, in
    66743 check_for_drawing_change 
    66744 trig.activate_trigger('graphics update', self) 
    66745 File
    66746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66747 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66748 trigger.activate(data) 
    66749 File
    66750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66751 packages/chimerax/core/triggerset.py", line 190, in activate 
    66752 ret = handler.invoke(data, self._remove_bad_handlers) 
    66753 File
    66754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66755 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66756 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66757 File
    66758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66759 packages/chimerax/core/session.py", line 943, in <lambda> 
    66760 logger.report_exception(preface=preface)) 
    66761 File
    66762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66763 packages/chimerax/core/logger.py", line 421, in report_exception 
    66764 elif probably_chimera1_session(exc_info): 
    66765 File
    66766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66767 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66768 etype, evalue, etraceback = exc_info 
    66769 TypeError: cannot unpack non-iterable NoneType object 
    66770  
    66771 TypeError: cannot unpack non-iterable NoneType object 
    66772  
    66773 File
    66774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66775 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66776 etype, evalue, etraceback = exc_info 
    66777  
    66778 See log for complete Python traceback. 
    66779  
    66780 Traceback (most recent call last): 
    66781 File
    66782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66783 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66784 return self._func(self._name, data) 
    66785 File
    66786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66787 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66788 if v.display: 
    66789 File
    66790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66791 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66792 return self._any_displayed_positions and len(self._positions) > 0 
    66793 TypeError: object of type 'NoneType' has no len() 
    66794  
    66795 During handling of the above exception, another exception occurred: 
    66796  
    66797 Traceback (most recent call last): 
    66798 File
    66799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66800 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66801 if not self.draw_new_frame(): 
    66802 File
    66803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66804 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66805 changed = view.check_for_drawing_change() 
    66806 File
    66807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66808 packages/chimerax/core/graphics/view.py", line 252, in
    66809 check_for_drawing_change 
    66810 trig.activate_trigger('graphics update', self) 
    66811 File
    66812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66813 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66814 trigger.activate(data) 
    66815 File
    66816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66817 packages/chimerax/core/triggerset.py", line 190, in activate 
    66818 ret = handler.invoke(data, self._remove_bad_handlers) 
    66819 File
    66820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66821 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66822 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66823 File
    66824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66825 packages/chimerax/core/session.py", line 943, in <lambda> 
    66826 logger.report_exception(preface=preface)) 
    66827 File
    66828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66829 packages/chimerax/core/logger.py", line 421, in report_exception 
    66830 elif probably_chimera1_session(exc_info): 
    66831 File
    66832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66833 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66834 etype, evalue, etraceback = exc_info 
    66835 TypeError: cannot unpack non-iterable NoneType object 
    66836  
    66837 TypeError: cannot unpack non-iterable NoneType object 
    66838  
    66839 File
    66840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66841 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66842 etype, evalue, etraceback = exc_info 
    66843  
    66844 See log for complete Python traceback. 
    66845  
    66846 Traceback (most recent call last): 
    66847 File
    66848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66849 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66850 return self._func(self._name, data) 
    66851 File
    66852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66853 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66854 if v.display: 
    66855 File
    66856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66857 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66858 return self._any_displayed_positions and len(self._positions) > 0 
    66859 TypeError: object of type 'NoneType' has no len() 
    66860  
    66861 During handling of the above exception, another exception occurred: 
    66862  
    66863 Traceback (most recent call last): 
    66864 File
    66865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66866 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66867 if not self.draw_new_frame(): 
    66868 File
    66869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66870 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66871 changed = view.check_for_drawing_change() 
    66872 File
    66873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66874 packages/chimerax/core/graphics/view.py", line 252, in
    66875 check_for_drawing_change 
    66876 trig.activate_trigger('graphics update', self) 
    66877 File
    66878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66879 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66880 trigger.activate(data) 
    66881 File
    66882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66883 packages/chimerax/core/triggerset.py", line 190, in activate 
    66884 ret = handler.invoke(data, self._remove_bad_handlers) 
    66885 File
    66886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66887 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66888 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66889 File
    66890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66891 packages/chimerax/core/session.py", line 943, in <lambda> 
    66892 logger.report_exception(preface=preface)) 
    66893 File
    66894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66895 packages/chimerax/core/logger.py", line 421, in report_exception 
    66896 elif probably_chimera1_session(exc_info): 
    66897 File
    66898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66899 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66900 etype, evalue, etraceback = exc_info 
    66901 TypeError: cannot unpack non-iterable NoneType object 
    66902  
    66903 TypeError: cannot unpack non-iterable NoneType object 
    66904  
    66905 File
    66906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66907 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66908 etype, evalue, etraceback = exc_info 
    66909  
    66910 See log for complete Python traceback. 
    66911  
    66912 Traceback (most recent call last): 
    66913 File
    66914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66915 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66916 return self._func(self._name, data) 
    66917 File
    66918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66919 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66920 if v.display: 
    66921 File
    66922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66923 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66924 return self._any_displayed_positions and len(self._positions) > 0 
    66925 TypeError: object of type 'NoneType' has no len() 
    66926  
    66927 During handling of the above exception, another exception occurred: 
    66928  
    66929 Traceback (most recent call last): 
    66930 File
    66931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66932 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66933 if not self.draw_new_frame(): 
    66934 File
    66935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66936 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66937 changed = view.check_for_drawing_change() 
    66938 File
    66939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66940 packages/chimerax/core/graphics/view.py", line 252, in
    66941 check_for_drawing_change 
    66942 trig.activate_trigger('graphics update', self) 
    66943 File
    66944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66945 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66946 trigger.activate(data) 
    66947 File
    66948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66949 packages/chimerax/core/triggerset.py", line 190, in activate 
    66950 ret = handler.invoke(data, self._remove_bad_handlers) 
    66951 File
    66952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66953 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66954 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66955 File
    66956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66957 packages/chimerax/core/session.py", line 943, in <lambda> 
    66958 logger.report_exception(preface=preface)) 
    66959 File
    66960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66961 packages/chimerax/core/logger.py", line 421, in report_exception 
    66962 elif probably_chimera1_session(exc_info): 
    66963 File
    66964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66965 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66966 etype, evalue, etraceback = exc_info 
    66967 TypeError: cannot unpack non-iterable NoneType object 
    66968  
    66969 TypeError: cannot unpack non-iterable NoneType object 
    66970  
    66971 File
    66972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66973 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66974 etype, evalue, etraceback = exc_info 
    66975  
    66976 See log for complete Python traceback. 
    66977  
    66978 Traceback (most recent call last): 
    66979 File
    66980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66981 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66982 return self._func(self._name, data) 
    66983 File
    66984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66985 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66986 if v.display: 
    66987 File
    66988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66989 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66990 return self._any_displayed_positions and len(self._positions) > 0 
    66991 TypeError: object of type 'NoneType' has no len() 
    66992  
    66993 During handling of the above exception, another exception occurred: 
    66994  
    66995 Traceback (most recent call last): 
    66996 File
    66997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66998 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66999 if not self.draw_new_frame(): 
    67000 File
    67001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67002 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67003 changed = view.check_for_drawing_change() 
    67004 File
    67005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67006 packages/chimerax/core/graphics/view.py", line 252, in
    67007 check_for_drawing_change 
    67008 trig.activate_trigger('graphics update', self) 
    67009 File
    67010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67011 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67012 trigger.activate(data) 
    67013 File
    67014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67015 packages/chimerax/core/triggerset.py", line 190, in activate 
    67016 ret = handler.invoke(data, self._remove_bad_handlers) 
    67017 File
    67018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67019 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67020 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67021 File
    67022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67023 packages/chimerax/core/session.py", line 943, in <lambda> 
    67024 logger.report_exception(preface=preface)) 
    67025 File
    67026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67027 packages/chimerax/core/logger.py", line 421, in report_exception 
    67028 elif probably_chimera1_session(exc_info): 
    67029 File
    67030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67031 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67032 etype, evalue, etraceback = exc_info 
    67033 TypeError: cannot unpack non-iterable NoneType object 
    67034  
    67035 TypeError: cannot unpack non-iterable NoneType object 
    67036  
    67037 File
    67038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67039 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67040 etype, evalue, etraceback = exc_info 
    67041  
    67042 See log for complete Python traceback. 
    67043  
    67044 Traceback (most recent call last): 
    67045 File
    67046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67047 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67048 return self._func(self._name, data) 
    67049 File
    67050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67051 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67052 if v.display: 
    67053 File
    67054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67055 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67056 return self._any_displayed_positions and len(self._positions) > 0 
    67057 TypeError: object of type 'NoneType' has no len() 
    67058  
    67059 During handling of the above exception, another exception occurred: 
    67060  
    67061 Traceback (most recent call last): 
    67062 File
    67063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67064 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67065 if not self.draw_new_frame(): 
    67066 File
    67067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67068 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67069 changed = view.check_for_drawing_change() 
    67070 File
    67071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67072 packages/chimerax/core/graphics/view.py", line 252, in
    67073 check_for_drawing_change 
    67074 trig.activate_trigger('graphics update', self) 
    67075 File
    67076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67077 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67078 trigger.activate(data) 
    67079 File
    67080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67081 packages/chimerax/core/triggerset.py", line 190, in activate 
    67082 ret = handler.invoke(data, self._remove_bad_handlers) 
    67083 File
    67084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67085 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67086 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67087 File
    67088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67089 packages/chimerax/core/session.py", line 943, in <lambda> 
    67090 logger.report_exception(preface=preface)) 
    67091 File
    67092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67093 packages/chimerax/core/logger.py", line 421, in report_exception 
    67094 elif probably_chimera1_session(exc_info): 
    67095 File
    67096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67097 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67098 etype, evalue, etraceback = exc_info 
    67099 TypeError: cannot unpack non-iterable NoneType object 
    67100  
    67101 TypeError: cannot unpack non-iterable NoneType object 
    67102  
    67103 File
    67104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67105 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67106 etype, evalue, etraceback = exc_info 
    67107  
    67108 See log for complete Python traceback. 
    67109  
    67110 Traceback (most recent call last): 
    67111 File
    67112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67113 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67114 return self._func(self._name, data) 
    67115 File
    67116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67117 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67118 if v.display: 
    67119 File
    67120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67121 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67122 return self._any_displayed_positions and len(self._positions) > 0 
    67123 TypeError: object of type 'NoneType' has no len() 
    67124  
    67125 During handling of the above exception, another exception occurred: 
    67126  
    67127 Traceback (most recent call last): 
    67128 File
    67129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67130 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67131 if not self.draw_new_frame(): 
    67132 File
    67133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67134 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67135 changed = view.check_for_drawing_change() 
    67136 File
    67137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67138 packages/chimerax/core/graphics/view.py", line 252, in
    67139 check_for_drawing_change 
    67140 trig.activate_trigger('graphics update', self) 
    67141 File
    67142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67143 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67144 trigger.activate(data) 
    67145 File
    67146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67147 packages/chimerax/core/triggerset.py", line 190, in activate 
    67148 ret = handler.invoke(data, self._remove_bad_handlers) 
    67149 File
    67150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67151 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67152 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67153 File
    67154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67155 packages/chimerax/core/session.py", line 943, in <lambda> 
    67156 logger.report_exception(preface=preface)) 
    67157 File
    67158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67159 packages/chimerax/core/logger.py", line 421, in report_exception 
    67160 elif probably_chimera1_session(exc_info): 
    67161 File
    67162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67163 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67164 etype, evalue, etraceback = exc_info 
    67165 TypeError: cannot unpack non-iterable NoneType object 
    67166  
    67167 TypeError: cannot unpack non-iterable NoneType object 
    67168  
    67169 File
    67170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67171 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67172 etype, evalue, etraceback = exc_info 
    67173  
    67174 See log for complete Python traceback. 
    67175  
    67176 Traceback (most recent call last): 
    67177 File
    67178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67179 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67180 return self._func(self._name, data) 
    67181 File
    67182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67183 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67184 if v.display: 
    67185 File
    67186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67187 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67188 return self._any_displayed_positions and len(self._positions) > 0 
    67189 TypeError: object of type 'NoneType' has no len() 
    67190  
    67191 During handling of the above exception, another exception occurred: 
    67192  
    67193 Traceback (most recent call last): 
    67194 File
    67195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67196 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67197 if not self.draw_new_frame(): 
    67198 File
    67199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67200 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67201 changed = view.check_for_drawing_change() 
    67202 File
    67203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67204 packages/chimerax/core/graphics/view.py", line 252, in
    67205 check_for_drawing_change 
    67206 trig.activate_trigger('graphics update', self) 
    67207 File
    67208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67209 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67210 trigger.activate(data) 
    67211 File
    67212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67213 packages/chimerax/core/triggerset.py", line 190, in activate 
    67214 ret = handler.invoke(data, self._remove_bad_handlers) 
    67215 File
    67216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67217 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67218 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67219 File
    67220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67221 packages/chimerax/core/session.py", line 943, in <lambda> 
    67222 logger.report_exception(preface=preface)) 
    67223 File
    67224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67225 packages/chimerax/core/logger.py", line 421, in report_exception 
    67226 elif probably_chimera1_session(exc_info): 
    67227 File
    67228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67229 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67230 etype, evalue, etraceback = exc_info 
    67231 TypeError: cannot unpack non-iterable NoneType object 
    67232  
    67233 TypeError: cannot unpack non-iterable NoneType object 
    67234  
    67235 File
    67236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67237 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67238 etype, evalue, etraceback = exc_info 
    67239  
    67240 See log for complete Python traceback. 
    67241  
    67242 Traceback (most recent call last): 
    67243 File
    67244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67245 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67246 return self._func(self._name, data) 
    67247 File
    67248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67249 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67250 if v.display: 
    67251 File
    67252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67253 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67254 return self._any_displayed_positions and len(self._positions) > 0 
    67255 TypeError: object of type 'NoneType' has no len() 
    67256  
    67257 During handling of the above exception, another exception occurred: 
    67258  
    67259 Traceback (most recent call last): 
    67260 File
    67261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67262 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67263 if not self.draw_new_frame(): 
    67264 File
    67265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67266 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67267 changed = view.check_for_drawing_change() 
    67268 File
    67269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67270 packages/chimerax/core/graphics/view.py", line 252, in
    67271 check_for_drawing_change 
    67272 trig.activate_trigger('graphics update', self) 
    67273 File
    67274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67275 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67276 trigger.activate(data) 
    67277 File
    67278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67279 packages/chimerax/core/triggerset.py", line 190, in activate 
    67280 ret = handler.invoke(data, self._remove_bad_handlers) 
    67281 File
    67282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67283 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67284 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67285 File
    67286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67287 packages/chimerax/core/session.py", line 943, in <lambda> 
    67288 logger.report_exception(preface=preface)) 
    67289 File
    67290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67291 packages/chimerax/core/logger.py", line 421, in report_exception 
    67292 elif probably_chimera1_session(exc_info): 
    67293 File
    67294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67295 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67296 etype, evalue, etraceback = exc_info 
    67297 TypeError: cannot unpack non-iterable NoneType object 
    67298  
    67299 TypeError: cannot unpack non-iterable NoneType object 
    67300  
    67301 File
    67302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67303 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67304 etype, evalue, etraceback = exc_info 
    67305  
    67306 See log for complete Python traceback. 
    67307  
    67308 Traceback (most recent call last): 
    67309 File
    67310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67311 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67312 return self._func(self._name, data) 
    67313 File
    67314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67315 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67316 if v.display: 
    67317 File
    67318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67319 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67320 return self._any_displayed_positions and len(self._positions) > 0 
    67321 TypeError: object of type 'NoneType' has no len() 
    67322  
    67323 During handling of the above exception, another exception occurred: 
    67324  
    67325 Traceback (most recent call last): 
    67326 File
    67327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67328 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67329 if not self.draw_new_frame(): 
    67330 File
    67331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67332 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67333 changed = view.check_for_drawing_change() 
    67334 File
    67335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67336 packages/chimerax/core/graphics/view.py", line 252, in
    67337 check_for_drawing_change 
    67338 trig.activate_trigger('graphics update', self) 
    67339 File
    67340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67341 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67342 trigger.activate(data) 
    67343 File
    67344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67345 packages/chimerax/core/triggerset.py", line 190, in activate 
    67346 ret = handler.invoke(data, self._remove_bad_handlers) 
    67347 File
    67348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67349 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67350 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67351 File
    67352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67353 packages/chimerax/core/session.py", line 943, in <lambda> 
    67354 logger.report_exception(preface=preface)) 
    67355 File
    67356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67357 packages/chimerax/core/logger.py", line 421, in report_exception 
    67358 elif probably_chimera1_session(exc_info): 
    67359 File
    67360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67361 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67362 etype, evalue, etraceback = exc_info 
    67363 TypeError: cannot unpack non-iterable NoneType object 
    67364  
    67365 TypeError: cannot unpack non-iterable NoneType object 
    67366  
    67367 File
    67368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67369 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67370 etype, evalue, etraceback = exc_info 
    67371  
    67372 See log for complete Python traceback. 
    67373  
    67374 Traceback (most recent call last): 
    67375 File
    67376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67377 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67378 return self._func(self._name, data) 
    67379 File
    67380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67381 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67382 if v.display: 
    67383 File
    67384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67385 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67386 return self._any_displayed_positions and len(self._positions) > 0 
    67387 TypeError: object of type 'NoneType' has no len() 
    67388  
    67389 During handling of the above exception, another exception occurred: 
    67390  
    67391 Traceback (most recent call last): 
    67392 File
    67393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67394 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67395 if not self.draw_new_frame(): 
    67396 File
    67397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67398 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67399 changed = view.check_for_drawing_change() 
    67400 File
    67401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67402 packages/chimerax/core/graphics/view.py", line 252, in
    67403 check_for_drawing_change 
    67404 trig.activate_trigger('graphics update', self) 
    67405 File
    67406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67407 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67408 trigger.activate(data) 
    67409 File
    67410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67411 packages/chimerax/core/triggerset.py", line 190, in activate 
    67412 ret = handler.invoke(data, self._remove_bad_handlers) 
    67413 File
    67414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67415 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67416 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67417 File
    67418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67419 packages/chimerax/core/session.py", line 943, in <lambda> 
    67420 logger.report_exception(preface=preface)) 
    67421 File
    67422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67423 packages/chimerax/core/logger.py", line 421, in report_exception 
    67424 elif probably_chimera1_session(exc_info): 
    67425 File
    67426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67427 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67428 etype, evalue, etraceback = exc_info 
    67429 TypeError: cannot unpack non-iterable NoneType object 
    67430  
    67431 TypeError: cannot unpack non-iterable NoneType object 
    67432  
    67433 File
    67434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67435 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67436 etype, evalue, etraceback = exc_info 
    67437  
    67438 See log for complete Python traceback. 
    67439  
    67440 Traceback (most recent call last): 
    67441 File
    67442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67443 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67444 return self._func(self._name, data) 
    67445 File
    67446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67447 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67448 if v.display: 
    67449 File
    67450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67451 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67452 return self._any_displayed_positions and len(self._positions) > 0 
    67453 TypeError: object of type 'NoneType' has no len() 
    67454  
    67455 During handling of the above exception, another exception occurred: 
    67456  
    67457 Traceback (most recent call last): 
    67458 File
    67459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67460 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67461 if not self.draw_new_frame(): 
    67462 File
    67463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67464 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67465 changed = view.check_for_drawing_change() 
    67466 File
    67467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67468 packages/chimerax/core/graphics/view.py", line 252, in
    67469 check_for_drawing_change 
    67470 trig.activate_trigger('graphics update', self) 
    67471 File
    67472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67473 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67474 trigger.activate(data) 
    67475 File
    67476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67477 packages/chimerax/core/triggerset.py", line 190, in activate 
    67478 ret = handler.invoke(data, self._remove_bad_handlers) 
    67479 File
    67480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67481 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67482 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67483 File
    67484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67485 packages/chimerax/core/session.py", line 943, in <lambda> 
    67486 logger.report_exception(preface=preface)) 
    67487 File
    67488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67489 packages/chimerax/core/logger.py", line 421, in report_exception 
    67490 elif probably_chimera1_session(exc_info): 
    67491 File
    67492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67493 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67494 etype, evalue, etraceback = exc_info 
    67495 TypeError: cannot unpack non-iterable NoneType object 
    67496  
    67497 TypeError: cannot unpack non-iterable NoneType object 
    67498  
    67499 File
    67500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67501 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67502 etype, evalue, etraceback = exc_info 
    67503  
    67504 See log for complete Python traceback. 
    67505  
    67506 Traceback (most recent call last): 
    67507 File
    67508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67509 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67510 return self._func(self._name, data) 
    67511 File
    67512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67513 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67514 if v.display: 
    67515 File
    67516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67517 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67518 return self._any_displayed_positions and len(self._positions) > 0 
    67519 TypeError: object of type 'NoneType' has no len() 
    67520  
    67521 During handling of the above exception, another exception occurred: 
    67522  
    67523 Traceback (most recent call last): 
    67524 File
    67525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67526 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67527 if not self.draw_new_frame(): 
    67528 File
    67529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67530 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67531 changed = view.check_for_drawing_change() 
    67532 File
    67533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67534 packages/chimerax/core/graphics/view.py", line 252, in
    67535 check_for_drawing_change 
    67536 trig.activate_trigger('graphics update', self) 
    67537 File
    67538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67539 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67540 trigger.activate(data) 
    67541 File
    67542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67543 packages/chimerax/core/triggerset.py", line 190, in activate 
    67544 ret = handler.invoke(data, self._remove_bad_handlers) 
    67545 File
    67546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67547 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67548 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67549 File
    67550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67551 packages/chimerax/core/session.py", line 943, in <lambda> 
    67552 logger.report_exception(preface=preface)) 
    67553 File
    67554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67555 packages/chimerax/core/logger.py", line 421, in report_exception 
    67556 elif probably_chimera1_session(exc_info): 
    67557 File
    67558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67559 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67560 etype, evalue, etraceback = exc_info 
    67561 TypeError: cannot unpack non-iterable NoneType object 
    67562  
    67563 TypeError: cannot unpack non-iterable NoneType object 
    67564  
    67565 File
    67566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67567 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67568 etype, evalue, etraceback = exc_info 
    67569  
    67570 See log for complete Python traceback. 
    67571  
    67572 Traceback (most recent call last): 
    67573 File
    67574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67575 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67576 return self._func(self._name, data) 
    67577 File
    67578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67579 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67580 if v.display: 
    67581 File
    67582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67583 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67584 return self._any_displayed_positions and len(self._positions) > 0 
    67585 TypeError: object of type 'NoneType' has no len() 
    67586  
    67587 During handling of the above exception, another exception occurred: 
    67588  
    67589 Traceback (most recent call last): 
    67590 File
    67591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67592 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67593 if not self.draw_new_frame(): 
    67594 File
    67595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67596 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67597 changed = view.check_for_drawing_change() 
    67598 File
    67599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67600 packages/chimerax/core/graphics/view.py", line 252, in
    67601 check_for_drawing_change 
    67602 trig.activate_trigger('graphics update', self) 
    67603 File
    67604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67605 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67606 trigger.activate(data) 
    67607 File
    67608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67609 packages/chimerax/core/triggerset.py", line 190, in activate 
    67610 ret = handler.invoke(data, self._remove_bad_handlers) 
    67611 File
    67612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67613 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67614 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67615 File
    67616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67617 packages/chimerax/core/session.py", line 943, in <lambda> 
    67618 logger.report_exception(preface=preface)) 
    67619 File
    67620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67621 packages/chimerax/core/logger.py", line 421, in report_exception 
    67622 elif probably_chimera1_session(exc_info): 
    67623 File
    67624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67625 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67626 etype, evalue, etraceback = exc_info 
    67627 TypeError: cannot unpack non-iterable NoneType object 
    67628  
    67629 TypeError: cannot unpack non-iterable NoneType object 
    67630  
    67631 File
    67632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67633 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67634 etype, evalue, etraceback = exc_info 
    67635  
    67636 See log for complete Python traceback. 
    67637  
    67638 Traceback (most recent call last): 
    67639 File
    67640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67641 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67642 return self._func(self._name, data) 
    67643 File
    67644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67645 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67646 if v.display: 
    67647 File
    67648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67649 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67650 return self._any_displayed_positions and len(self._positions) > 0 
    67651 TypeError: object of type 'NoneType' has no len() 
    67652  
    67653 During handling of the above exception, another exception occurred: 
    67654  
    67655 Traceback (most recent call last): 
    67656 File
    67657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67658 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67659 if not self.draw_new_frame(): 
    67660 File
    67661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67662 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67663 changed = view.check_for_drawing_change() 
    67664 File
    67665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67666 packages/chimerax/core/graphics/view.py", line 252, in
    67667 check_for_drawing_change 
    67668 trig.activate_trigger('graphics update', self) 
    67669 File
    67670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67671 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67672 trigger.activate(data) 
    67673 File
    67674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67675 packages/chimerax/core/triggerset.py", line 190, in activate 
    67676 ret = handler.invoke(data, self._remove_bad_handlers) 
    67677 File
    67678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67679 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67680 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67681 File
    67682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67683 packages/chimerax/core/session.py", line 943, in <lambda> 
    67684 logger.report_exception(preface=preface)) 
    67685 File
    67686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67687 packages/chimerax/core/logger.py", line 421, in report_exception 
    67688 elif probably_chimera1_session(exc_info): 
    67689 File
    67690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67691 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67692 etype, evalue, etraceback = exc_info 
    67693 TypeError: cannot unpack non-iterable NoneType object 
    67694  
    67695 TypeError: cannot unpack non-iterable NoneType object 
    67696  
    67697 File
    67698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67699 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67700 etype, evalue, etraceback = exc_info 
    67701  
    67702 See log for complete Python traceback. 
    67703  
    67704 Traceback (most recent call last): 
    67705 File
    67706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67707 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67708 return self._func(self._name, data) 
    67709 File
    67710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67711 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67712 if v.display: 
    67713 File
    67714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67715 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67716 return self._any_displayed_positions and len(self._positions) > 0 
    67717 TypeError: object of type 'NoneType' has no len() 
    67718  
    67719 During handling of the above exception, another exception occurred: 
    67720  
    67721 Traceback (most recent call last): 
    67722 File
    67723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67724 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67725 if not self.draw_new_frame(): 
    67726 File
    67727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67728 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67729 changed = view.check_for_drawing_change() 
    67730 File
    67731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67732 packages/chimerax/core/graphics/view.py", line 252, in
    67733 check_for_drawing_change 
    67734 trig.activate_trigger('graphics update', self) 
    67735 File
    67736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67737 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67738 trigger.activate(data) 
    67739 File
    67740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67741 packages/chimerax/core/triggerset.py", line 190, in activate 
    67742 ret = handler.invoke(data, self._remove_bad_handlers) 
    67743 File
    67744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67745 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67746 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67747 File
    67748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67749 packages/chimerax/core/session.py", line 943, in <lambda> 
    67750 logger.report_exception(preface=preface)) 
    67751 File
    67752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67753 packages/chimerax/core/logger.py", line 421, in report_exception 
    67754 elif probably_chimera1_session(exc_info): 
    67755 File
    67756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67757 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67758 etype, evalue, etraceback = exc_info 
    67759 TypeError: cannot unpack non-iterable NoneType object 
    67760  
    67761 TypeError: cannot unpack non-iterable NoneType object 
    67762  
    67763 File
    67764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67765 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67766 etype, evalue, etraceback = exc_info 
    67767  
    67768 See log for complete Python traceback. 
    67769  
    67770 Traceback (most recent call last): 
    67771 File
    67772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67773 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67774 return self._func(self._name, data) 
    67775 File
    67776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67777 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67778 if v.display: 
    67779 File
    67780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67781 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67782 return self._any_displayed_positions and len(self._positions) > 0 
    67783 TypeError: object of type 'NoneType' has no len() 
    67784  
    67785 During handling of the above exception, another exception occurred: 
    67786  
    67787 Traceback (most recent call last): 
    67788 File
    67789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67790 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67791 if not self.draw_new_frame(): 
    67792 File
    67793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67794 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67795 changed = view.check_for_drawing_change() 
    67796 File
    67797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67798 packages/chimerax/core/graphics/view.py", line 252, in
    67799 check_for_drawing_change 
    67800 trig.activate_trigger('graphics update', self) 
    67801 File
    67802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67803 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67804 trigger.activate(data) 
    67805 File
    67806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67807 packages/chimerax/core/triggerset.py", line 190, in activate 
    67808 ret = handler.invoke(data, self._remove_bad_handlers) 
    67809 File
    67810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67811 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67812 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67813 File
    67814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67815 packages/chimerax/core/session.py", line 943, in <lambda> 
    67816 logger.report_exception(preface=preface)) 
    67817 File
    67818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67819 packages/chimerax/core/logger.py", line 421, in report_exception 
    67820 elif probably_chimera1_session(exc_info): 
    67821 File
    67822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67823 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67824 etype, evalue, etraceback = exc_info 
    67825 TypeError: cannot unpack non-iterable NoneType object 
    67826  
    67827 TypeError: cannot unpack non-iterable NoneType object 
    67828  
    67829 File
    67830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67831 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67832 etype, evalue, etraceback = exc_info 
    67833  
    67834 See log for complete Python traceback. 
    67835  
    67836 Traceback (most recent call last): 
    67837 File
    67838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67839 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67840 return self._func(self._name, data) 
    67841 File
    67842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67843 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67844 if v.display: 
    67845 File
    67846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67847 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67848 return self._any_displayed_positions and len(self._positions) > 0 
    67849 TypeError: object of type 'NoneType' has no len() 
    67850  
    67851 During handling of the above exception, another exception occurred: 
    67852  
    67853 Traceback (most recent call last): 
    67854 File
    67855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67856 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67857 if not self.draw_new_frame(): 
    67858 File
    67859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67860 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67861 changed = view.check_for_drawing_change() 
    67862 File
    67863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67864 packages/chimerax/core/graphics/view.py", line 252, in
    67865 check_for_drawing_change 
    67866 trig.activate_trigger('graphics update', self) 
    67867 File
    67868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67869 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67870 trigger.activate(data) 
    67871 File
    67872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67873 packages/chimerax/core/triggerset.py", line 190, in activate 
    67874 ret = handler.invoke(data, self._remove_bad_handlers) 
    67875 File
    67876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67877 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67878 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67879 File
    67880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67881 packages/chimerax/core/session.py", line 943, in <lambda> 
    67882 logger.report_exception(preface=preface)) 
    67883 File
    67884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67885 packages/chimerax/core/logger.py", line 421, in report_exception 
    67886 elif probably_chimera1_session(exc_info): 
    67887 File
    67888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67889 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67890 etype, evalue, etraceback = exc_info 
    67891 TypeError: cannot unpack non-iterable NoneType object 
    67892  
    67893 TypeError: cannot unpack non-iterable NoneType object 
    67894  
    67895 File
    67896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67897 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67898 etype, evalue, etraceback = exc_info 
    67899  
    67900 See log for complete Python traceback. 
    67901  
    67902 Traceback (most recent call last): 
    67903 File
    67904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67905 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67906 return self._func(self._name, data) 
    67907 File
    67908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67909 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67910 if v.display: 
    67911 File
    67912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67913 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67914 return self._any_displayed_positions and len(self._positions) > 0 
    67915 TypeError: object of type 'NoneType' has no len() 
    67916  
    67917 During handling of the above exception, another exception occurred: 
    67918  
    67919 Traceback (most recent call last): 
    67920 File
    67921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67922 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67923 if not self.draw_new_frame(): 
    67924 File
    67925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67926 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67927 changed = view.check_for_drawing_change() 
    67928 File
    67929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67930 packages/chimerax/core/graphics/view.py", line 252, in
    67931 check_for_drawing_change 
    67932 trig.activate_trigger('graphics update', self) 
    67933 File
    67934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67935 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67936 trigger.activate(data) 
    67937 File
    67938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67939 packages/chimerax/core/triggerset.py", line 190, in activate 
    67940 ret = handler.invoke(data, self._remove_bad_handlers) 
    67941 File
    67942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67943 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67944 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67945 File
    67946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67947 packages/chimerax/core/session.py", line 943, in <lambda> 
    67948 logger.report_exception(preface=preface)) 
    67949 File
    67950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67951 packages/chimerax/core/logger.py", line 421, in report_exception 
    67952 elif probably_chimera1_session(exc_info): 
    67953 File
    67954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67955 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67956 etype, evalue, etraceback = exc_info 
    67957 TypeError: cannot unpack non-iterable NoneType object 
    67958  
    67959 TypeError: cannot unpack non-iterable NoneType object 
    67960  
    67961 File
    67962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67963 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67964 etype, evalue, etraceback = exc_info 
    67965  
    67966 See log for complete Python traceback. 
    67967  
    67968 Traceback (most recent call last): 
    67969 File
    67970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67971 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67972 return self._func(self._name, data) 
    67973 File
    67974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67975 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67976 if v.display: 
    67977 File
    67978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67979 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67980 return self._any_displayed_positions and len(self._positions) > 0 
    67981 TypeError: object of type 'NoneType' has no len() 
    67982  
    67983 During handling of the above exception, another exception occurred: 
    67984  
    67985 Traceback (most recent call last): 
    67986 File
    67987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67988 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67989 if not self.draw_new_frame(): 
    67990 File
    67991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67992 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67993 changed = view.check_for_drawing_change() 
    67994 File
    67995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67996 packages/chimerax/core/graphics/view.py", line 252, in
    67997 check_for_drawing_change 
    67998 trig.activate_trigger('graphics update', self) 
    67999 File
    68000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68001 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68002 trigger.activate(data) 
    68003 File
    68004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68005 packages/chimerax/core/triggerset.py", line 190, in activate 
    68006 ret = handler.invoke(data, self._remove_bad_handlers) 
    68007 File
    68008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68009 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68010 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68011 File
    68012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68013 packages/chimerax/core/session.py", line 943, in <lambda> 
    68014 logger.report_exception(preface=preface)) 
    68015 File
    68016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68017 packages/chimerax/core/logger.py", line 421, in report_exception 
    68018 elif probably_chimera1_session(exc_info): 
    68019 File
    68020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68021 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68022 etype, evalue, etraceback = exc_info 
    68023 TypeError: cannot unpack non-iterable NoneType object 
    68024  
    68025 TypeError: cannot unpack non-iterable NoneType object 
    68026  
    68027 File
    68028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68029 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68030 etype, evalue, etraceback = exc_info 
    68031  
    68032 See log for complete Python traceback. 
    68033  
    68034 Traceback (most recent call last): 
    68035 File
    68036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68037 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68038 return self._func(self._name, data) 
    68039 File
    68040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68041 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68042 if v.display: 
    68043 File
    68044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68045 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68046 return self._any_displayed_positions and len(self._positions) > 0 
    68047 TypeError: object of type 'NoneType' has no len() 
    68048  
    68049 During handling of the above exception, another exception occurred: 
    68050  
    68051 Traceback (most recent call last): 
    68052 File
    68053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68054 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68055 if not self.draw_new_frame(): 
    68056 File
    68057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68058 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68059 changed = view.check_for_drawing_change() 
    68060 File
    68061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68062 packages/chimerax/core/graphics/view.py", line 252, in
    68063 check_for_drawing_change 
    68064 trig.activate_trigger('graphics update', self) 
    68065 File
    68066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68067 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68068 trigger.activate(data) 
    68069 File
    68070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68071 packages/chimerax/core/triggerset.py", line 190, in activate 
    68072 ret = handler.invoke(data, self._remove_bad_handlers) 
    68073 File
    68074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68075 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68076 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68077 File
    68078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68079 packages/chimerax/core/session.py", line 943, in <lambda> 
    68080 logger.report_exception(preface=preface)) 
    68081 File
    68082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68083 packages/chimerax/core/logger.py", line 421, in report_exception 
    68084 elif probably_chimera1_session(exc_info): 
    68085 File
    68086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68087 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68088 etype, evalue, etraceback = exc_info 
    68089 TypeError: cannot unpack non-iterable NoneType object 
    68090  
    68091 TypeError: cannot unpack non-iterable NoneType object 
    68092  
    68093 File
    68094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68095 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68096 etype, evalue, etraceback = exc_info 
    68097  
    68098 See log for complete Python traceback. 
    68099  
    68100 Traceback (most recent call last): 
    68101 File
    68102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68103 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68104 return self._func(self._name, data) 
    68105 File
    68106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68107 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68108 if v.display: 
    68109 File
    68110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68111 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68112 return self._any_displayed_positions and len(self._positions) > 0 
    68113 TypeError: object of type 'NoneType' has no len() 
    68114  
    68115 During handling of the above exception, another exception occurred: 
    68116  
    68117 Traceback (most recent call last): 
    68118 File
    68119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68120 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68121 if not self.draw_new_frame(): 
    68122 File
    68123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68124 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68125 changed = view.check_for_drawing_change() 
    68126 File
    68127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68128 packages/chimerax/core/graphics/view.py", line 252, in
    68129 check_for_drawing_change 
    68130 trig.activate_trigger('graphics update', self) 
    68131 File
    68132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68133 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68134 trigger.activate(data) 
    68135 File
    68136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68137 packages/chimerax/core/triggerset.py", line 190, in activate 
    68138 ret = handler.invoke(data, self._remove_bad_handlers) 
    68139 File
    68140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68141 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68142 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68143 File
    68144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68145 packages/chimerax/core/session.py", line 943, in <lambda> 
    68146 logger.report_exception(preface=preface)) 
    68147 File
    68148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68149 packages/chimerax/core/logger.py", line 421, in report_exception 
    68150 elif probably_chimera1_session(exc_info): 
    68151 File
    68152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68153 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68154 etype, evalue, etraceback = exc_info 
    68155 TypeError: cannot unpack non-iterable NoneType object 
    68156  
    68157 TypeError: cannot unpack non-iterable NoneType object 
    68158  
    68159 File
    68160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68161 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68162 etype, evalue, etraceback = exc_info 
    68163  
    68164 See log for complete Python traceback. 
    68165  
    68166 Traceback (most recent call last): 
    68167 File
    68168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68169 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68170 return self._func(self._name, data) 
    68171 File
    68172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68173 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68174 if v.display: 
    68175 File
    68176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68177 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68178 return self._any_displayed_positions and len(self._positions) > 0 
    68179 TypeError: object of type 'NoneType' has no len() 
    68180  
    68181 During handling of the above exception, another exception occurred: 
    68182  
    68183 Traceback (most recent call last): 
    68184 File
    68185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68186 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68187 if not self.draw_new_frame(): 
    68188 File
    68189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68190 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68191 changed = view.check_for_drawing_change() 
    68192 File
    68193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68194 packages/chimerax/core/graphics/view.py", line 252, in
    68195 check_for_drawing_change 
    68196 trig.activate_trigger('graphics update', self) 
    68197 File
    68198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68199 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68200 trigger.activate(data) 
    68201 File
    68202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68203 packages/chimerax/core/triggerset.py", line 190, in activate 
    68204 ret = handler.invoke(data, self._remove_bad_handlers) 
    68205 File
    68206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68207 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68208 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68209 File
    68210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68211 packages/chimerax/core/session.py", line 943, in <lambda> 
    68212 logger.report_exception(preface=preface)) 
    68213 File
    68214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68215 packages/chimerax/core/logger.py", line 421, in report_exception 
    68216 elif probably_chimera1_session(exc_info): 
    68217 File
    68218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68219 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68220 etype, evalue, etraceback = exc_info 
    68221 TypeError: cannot unpack non-iterable NoneType object 
    68222  
    68223 TypeError: cannot unpack non-iterable NoneType object 
    68224  
    68225 File
    68226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68227 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68228 etype, evalue, etraceback = exc_info 
    68229  
    68230 See log for complete Python traceback. 
    68231  
    68232 Traceback (most recent call last): 
    68233 File
    68234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68235 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68236 return self._func(self._name, data) 
    68237 File
    68238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68239 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68240 if v.display: 
    68241 File
    68242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68243 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68244 return self._any_displayed_positions and len(self._positions) > 0 
    68245 TypeError: object of type 'NoneType' has no len() 
    68246  
    68247 During handling of the above exception, another exception occurred: 
    68248  
    68249 Traceback (most recent call last): 
    68250 File
    68251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68252 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68253 if not self.draw_new_frame(): 
    68254 File
    68255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68256 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68257 changed = view.check_for_drawing_change() 
    68258 File
    68259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68260 packages/chimerax/core/graphics/view.py", line 252, in
    68261 check_for_drawing_change 
    68262 trig.activate_trigger('graphics update', self) 
    68263 File
    68264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68265 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68266 trigger.activate(data) 
    68267 File
    68268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68269 packages/chimerax/core/triggerset.py", line 190, in activate 
    68270 ret = handler.invoke(data, self._remove_bad_handlers) 
    68271 File
    68272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68273 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68274 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68275 File
    68276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68277 packages/chimerax/core/session.py", line 943, in <lambda> 
    68278 logger.report_exception(preface=preface)) 
    68279 File
    68280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68281 packages/chimerax/core/logger.py", line 421, in report_exception 
    68282 elif probably_chimera1_session(exc_info): 
    68283 File
    68284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68285 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68286 etype, evalue, etraceback = exc_info 
    68287 TypeError: cannot unpack non-iterable NoneType object 
    68288  
    68289 TypeError: cannot unpack non-iterable NoneType object 
    68290  
    68291 File
    68292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68293 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68294 etype, evalue, etraceback = exc_info 
    68295  
    68296 See log for complete Python traceback. 
    68297  
    68298 Traceback (most recent call last): 
    68299 File
    68300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68301 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68302 return self._func(self._name, data) 
    68303 File
    68304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68305 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68306 if v.display: 
    68307 File
    68308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68309 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68310 return self._any_displayed_positions and len(self._positions) > 0 
    68311 TypeError: object of type 'NoneType' has no len() 
    68312  
    68313 During handling of the above exception, another exception occurred: 
    68314  
    68315 Traceback (most recent call last): 
    68316 File
    68317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68318 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68319 if not self.draw_new_frame(): 
    68320 File
    68321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68322 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68323 changed = view.check_for_drawing_change() 
    68324 File
    68325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68326 packages/chimerax/core/graphics/view.py", line 252, in
    68327 check_for_drawing_change 
    68328 trig.activate_trigger('graphics update', self) 
    68329 File
    68330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68331 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68332 trigger.activate(data) 
    68333 File
    68334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68335 packages/chimerax/core/triggerset.py", line 190, in activate 
    68336 ret = handler.invoke(data, self._remove_bad_handlers) 
    68337 File
    68338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68339 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68340 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68341 File
    68342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68343 packages/chimerax/core/session.py", line 943, in <lambda> 
    68344 logger.report_exception(preface=preface)) 
    68345 File
    68346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68347 packages/chimerax/core/logger.py", line 421, in report_exception 
    68348 elif probably_chimera1_session(exc_info): 
    68349 File
    68350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68351 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68352 etype, evalue, etraceback = exc_info 
    68353 TypeError: cannot unpack non-iterable NoneType object 
    68354  
    68355 TypeError: cannot unpack non-iterable NoneType object 
    68356  
    68357 File
    68358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68359 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68360 etype, evalue, etraceback = exc_info 
    68361  
    68362 See log for complete Python traceback. 
    68363  
    68364 Traceback (most recent call last): 
    68365 File
    68366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68367 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68368 return self._func(self._name, data) 
    68369 File
    68370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68371 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68372 if v.display: 
    68373 File
    68374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68375 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68376 return self._any_displayed_positions and len(self._positions) > 0 
    68377 TypeError: object of type 'NoneType' has no len() 
    68378  
    68379 During handling of the above exception, another exception occurred: 
    68380  
    68381 Traceback (most recent call last): 
    68382 File
    68383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68384 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68385 if not self.draw_new_frame(): 
    68386 File
    68387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68388 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68389 changed = view.check_for_drawing_change() 
    68390 File
    68391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68392 packages/chimerax/core/graphics/view.py", line 252, in
    68393 check_for_drawing_change 
    68394 trig.activate_trigger('graphics update', self) 
    68395 File
    68396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68397 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68398 trigger.activate(data) 
    68399 File
    68400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68401 packages/chimerax/core/triggerset.py", line 190, in activate 
    68402 ret = handler.invoke(data, self._remove_bad_handlers) 
    68403 File
    68404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68405 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68406 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68407 File
    68408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68409 packages/chimerax/core/session.py", line 943, in <lambda> 
    68410 logger.report_exception(preface=preface)) 
    68411 File
    68412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68413 packages/chimerax/core/logger.py", line 421, in report_exception 
    68414 elif probably_chimera1_session(exc_info): 
    68415 File
    68416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68417 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68418 etype, evalue, etraceback = exc_info 
    68419 TypeError: cannot unpack non-iterable NoneType object 
    68420  
    68421 TypeError: cannot unpack non-iterable NoneType object 
    68422  
    68423 File
    68424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68425 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68426 etype, evalue, etraceback = exc_info 
    68427  
    68428 See log for complete Python traceback. 
    68429  
    68430 Traceback (most recent call last): 
    68431 File
    68432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68433 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68434 return self._func(self._name, data) 
    68435 File
    68436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68437 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68438 if v.display: 
    68439 File
    68440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68441 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68442 return self._any_displayed_positions and len(self._positions) > 0 
    68443 TypeError: object of type 'NoneType' has no len() 
    68444  
    68445 During handling of the above exception, another exception occurred: 
    68446  
    68447 Traceback (most recent call last): 
    68448 File
    68449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68450 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68451 if not self.draw_new_frame(): 
    68452 File
    68453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68454 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68455 changed = view.check_for_drawing_change() 
    68456 File
    68457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68458 packages/chimerax/core/graphics/view.py", line 252, in
    68459 check_for_drawing_change 
    68460 trig.activate_trigger('graphics update', self) 
    68461 File
    68462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68463 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68464 trigger.activate(data) 
    68465 File
    68466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68467 packages/chimerax/core/triggerset.py", line 190, in activate 
    68468 ret = handler.invoke(data, self._remove_bad_handlers) 
    68469 File
    68470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68471 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68472 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68473 File
    68474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68475 packages/chimerax/core/session.py", line 943, in <lambda> 
    68476 logger.report_exception(preface=preface)) 
    68477 File
    68478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68479 packages/chimerax/core/logger.py", line 421, in report_exception 
    68480 elif probably_chimera1_session(exc_info): 
    68481 File
    68482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68483 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68484 etype, evalue, etraceback = exc_info 
    68485 TypeError: cannot unpack non-iterable NoneType object 
    68486  
    68487 TypeError: cannot unpack non-iterable NoneType object 
    68488  
    68489 File
    68490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68491 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68492 etype, evalue, etraceback = exc_info 
    68493  
    68494 See log for complete Python traceback. 
    68495  
    68496 Traceback (most recent call last): 
    68497 File
    68498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68499 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68500 return self._func(self._name, data) 
    68501 File
    68502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68503 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68504 if v.display: 
    68505 File
    68506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68507 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68508 return self._any_displayed_positions and len(self._positions) > 0 
    68509 TypeError: object of type 'NoneType' has no len() 
    68510  
    68511 During handling of the above exception, another exception occurred: 
    68512  
    68513 Traceback (most recent call last): 
    68514 File
    68515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68516 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68517 if not self.draw_new_frame(): 
    68518 File
    68519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68520 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68521 changed = view.check_for_drawing_change() 
    68522 File
    68523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68524 packages/chimerax/core/graphics/view.py", line 252, in
    68525 check_for_drawing_change 
    68526 trig.activate_trigger('graphics update', self) 
    68527 File
    68528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68529 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68530 trigger.activate(data) 
    68531 File
    68532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68533 packages/chimerax/core/triggerset.py", line 190, in activate 
    68534 ret = handler.invoke(data, self._remove_bad_handlers) 
    68535 File
    68536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68537 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68538 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68539 File
    68540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68541 packages/chimerax/core/session.py", line 943, in <lambda> 
    68542 logger.report_exception(preface=preface)) 
    68543 File
    68544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68545 packages/chimerax/core/logger.py", line 421, in report_exception 
    68546 elif probably_chimera1_session(exc_info): 
    68547 File
    68548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68549 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68550 etype, evalue, etraceback = exc_info 
    68551 TypeError: cannot unpack non-iterable NoneType object 
    68552  
    68553 TypeError: cannot unpack non-iterable NoneType object 
    68554  
    68555 File
    68556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68557 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68558 etype, evalue, etraceback = exc_info 
    68559  
    68560 See log for complete Python traceback. 
    68561  
    68562 Traceback (most recent call last): 
    68563 File
    68564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68565 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68566 return self._func(self._name, data) 
    68567 File
    68568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68569 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68570 if v.display: 
    68571 File
    68572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68573 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68574 return self._any_displayed_positions and len(self._positions) > 0 
    68575 TypeError: object of type 'NoneType' has no len() 
    68576  
    68577 During handling of the above exception, another exception occurred: 
    68578  
    68579 Traceback (most recent call last): 
    68580 File
    68581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68582 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68583 if not self.draw_new_frame(): 
    68584 File
    68585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68586 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68587 changed = view.check_for_drawing_change() 
    68588 File
    68589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68590 packages/chimerax/core/graphics/view.py", line 252, in
    68591 check_for_drawing_change 
    68592 trig.activate_trigger('graphics update', self) 
    68593 File
    68594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68595 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68596 trigger.activate(data) 
    68597 File
    68598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68599 packages/chimerax/core/triggerset.py", line 190, in activate 
    68600 ret = handler.invoke(data, self._remove_bad_handlers) 
    68601 File
    68602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68603 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68604 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68605 File
    68606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68607 packages/chimerax/core/session.py", line 943, in <lambda> 
    68608 logger.report_exception(preface=preface)) 
    68609 File
    68610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68611 packages/chimerax/core/logger.py", line 421, in report_exception 
    68612 elif probably_chimera1_session(exc_info): 
    68613 File
    68614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68615 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68616 etype, evalue, etraceback = exc_info 
    68617 TypeError: cannot unpack non-iterable NoneType object 
    68618  
    68619 TypeError: cannot unpack non-iterable NoneType object 
    68620  
    68621 File
    68622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68623 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68624 etype, evalue, etraceback = exc_info 
    68625  
    68626 See log for complete Python traceback. 
    68627  
    68628 Traceback (most recent call last): 
    68629 File
    68630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68631 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68632 return self._func(self._name, data) 
    68633 File
    68634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68635 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68636 if v.display: 
    68637 File
    68638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68639 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68640 return self._any_displayed_positions and len(self._positions) > 0 
    68641 TypeError: object of type 'NoneType' has no len() 
    68642  
    68643 During handling of the above exception, another exception occurred: 
    68644  
    68645 Traceback (most recent call last): 
    68646 File
    68647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68648 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68649 if not self.draw_new_frame(): 
    68650 File
    68651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68652 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68653 changed = view.check_for_drawing_change() 
    68654 File
    68655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68656 packages/chimerax/core/graphics/view.py", line 252, in
    68657 check_for_drawing_change 
    68658 trig.activate_trigger('graphics update', self) 
    68659 File
    68660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68661 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68662 trigger.activate(data) 
    68663 File
    68664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68665 packages/chimerax/core/triggerset.py", line 190, in activate 
    68666 ret = handler.invoke(data, self._remove_bad_handlers) 
    68667 File
    68668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68669 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68670 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68671 File
    68672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68673 packages/chimerax/core/session.py", line 943, in <lambda> 
    68674 logger.report_exception(preface=preface)) 
    68675 File
    68676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68677 packages/chimerax/core/logger.py", line 421, in report_exception 
    68678 elif probably_chimera1_session(exc_info): 
    68679 File
    68680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68681 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68682 etype, evalue, etraceback = exc_info 
    68683 TypeError: cannot unpack non-iterable NoneType object 
    68684  
    68685 TypeError: cannot unpack non-iterable NoneType object 
    68686  
    68687 File
    68688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68689 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68690 etype, evalue, etraceback = exc_info 
    68691  
    68692 See log for complete Python traceback. 
    68693  
    68694 Traceback (most recent call last): 
    68695 File
    68696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68697 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68698 return self._func(self._name, data) 
    68699 File
    68700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68701 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68702 if v.display: 
    68703 File
    68704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68705 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68706 return self._any_displayed_positions and len(self._positions) > 0 
    68707 TypeError: object of type 'NoneType' has no len() 
    68708  
    68709 During handling of the above exception, another exception occurred: 
    68710  
    68711 Traceback (most recent call last): 
    68712 File
    68713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68714 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68715 if not self.draw_new_frame(): 
    68716 File
    68717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68718 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68719 changed = view.check_for_drawing_change() 
    68720 File
    68721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68722 packages/chimerax/core/graphics/view.py", line 252, in
    68723 check_for_drawing_change 
    68724 trig.activate_trigger('graphics update', self) 
    68725 File
    68726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68727 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68728 trigger.activate(data) 
    68729 File
    68730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68731 packages/chimerax/core/triggerset.py", line 190, in activate 
    68732 ret = handler.invoke(data, self._remove_bad_handlers) 
    68733 File
    68734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68735 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68736 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68737 File
    68738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68739 packages/chimerax/core/session.py", line 943, in <lambda> 
    68740 logger.report_exception(preface=preface)) 
    68741 File
    68742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68743 packages/chimerax/core/logger.py", line 421, in report_exception 
    68744 elif probably_chimera1_session(exc_info): 
    68745 File
    68746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68747 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68748 etype, evalue, etraceback = exc_info 
    68749 TypeError: cannot unpack non-iterable NoneType object 
    68750  
    68751 TypeError: cannot unpack non-iterable NoneType object 
    68752  
    68753 File
    68754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68755 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68756 etype, evalue, etraceback = exc_info 
    68757  
    68758 See log for complete Python traceback. 
    68759  
    68760 Traceback (most recent call last): 
    68761 File
    68762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68763 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68764 return self._func(self._name, data) 
    68765 File
    68766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68767 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68768 if v.display: 
    68769 File
    68770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68771 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68772 return self._any_displayed_positions and len(self._positions) > 0 
    68773 TypeError: object of type 'NoneType' has no len() 
    68774  
    68775 During handling of the above exception, another exception occurred: 
    68776  
    68777 Traceback (most recent call last): 
    68778 File
    68779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68780 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68781 if not self.draw_new_frame(): 
    68782 File
    68783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68784 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68785 changed = view.check_for_drawing_change() 
    68786 File
    68787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68788 packages/chimerax/core/graphics/view.py", line 252, in
    68789 check_for_drawing_change 
    68790 trig.activate_trigger('graphics update', self) 
    68791 File
    68792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68793 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68794 trigger.activate(data) 
    68795 File
    68796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68797 packages/chimerax/core/triggerset.py", line 190, in activate 
    68798 ret = handler.invoke(data, self._remove_bad_handlers) 
    68799 File
    68800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68801 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68802 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68803 File
    68804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68805 packages/chimerax/core/session.py", line 943, in <lambda> 
    68806 logger.report_exception(preface=preface)) 
    68807 File
    68808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68809 packages/chimerax/core/logger.py", line 421, in report_exception 
    68810 elif probably_chimera1_session(exc_info): 
    68811 File
    68812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68813 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68814 etype, evalue, etraceback = exc_info 
    68815 TypeError: cannot unpack non-iterable NoneType object 
    68816  
    68817 TypeError: cannot unpack non-iterable NoneType object 
    68818  
    68819 File
    68820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68821 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68822 etype, evalue, etraceback = exc_info 
    68823  
    68824 See log for complete Python traceback. 
    68825  
    68826 Traceback (most recent call last): 
    68827 File
    68828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68829 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68830 return self._func(self._name, data) 
    68831 File
    68832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68833 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68834 if v.display: 
    68835 File
    68836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68837 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68838 return self._any_displayed_positions and len(self._positions) > 0 
    68839 TypeError: object of type 'NoneType' has no len() 
    68840  
    68841 During handling of the above exception, another exception occurred: 
    68842  
    68843 Traceback (most recent call last): 
    68844 File
    68845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68846 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68847 if not self.draw_new_frame(): 
    68848 File
    68849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68850 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68851 changed = view.check_for_drawing_change() 
    68852 File
    68853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68854 packages/chimerax/core/graphics/view.py", line 252, in
    68855 check_for_drawing_change 
    68856 trig.activate_trigger('graphics update', self) 
    68857 File
    68858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68859 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68860 trigger.activate(data) 
    68861 File
    68862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68863 packages/chimerax/core/triggerset.py", line 190, in activate 
    68864 ret = handler.invoke(data, self._remove_bad_handlers) 
    68865 File
    68866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68867 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68868 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68869 File
    68870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68871 packages/chimerax/core/session.py", line 943, in <lambda> 
    68872 logger.report_exception(preface=preface)) 
    68873 File
    68874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68875 packages/chimerax/core/logger.py", line 421, in report_exception 
    68876 elif probably_chimera1_session(exc_info): 
    68877 File
    68878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68879 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68880 etype, evalue, etraceback = exc_info 
    68881 TypeError: cannot unpack non-iterable NoneType object 
    68882  
    68883 TypeError: cannot unpack non-iterable NoneType object 
    68884  
    68885 File
    68886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68887 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68888 etype, evalue, etraceback = exc_info 
    68889  
    68890 See log for complete Python traceback. 
    68891  
    68892 Traceback (most recent call last): 
    68893 File
    68894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68895 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68896 return self._func(self._name, data) 
    68897 File
    68898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68899 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68900 if v.display: 
    68901 File
    68902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68903 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68904 return self._any_displayed_positions and len(self._positions) > 0 
    68905 TypeError: object of type 'NoneType' has no len() 
    68906  
    68907 During handling of the above exception, another exception occurred: 
    68908  
    68909 Traceback (most recent call last): 
    68910 File
    68911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68912 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68913 if not self.draw_new_frame(): 
    68914 File
    68915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68916 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68917 changed = view.check_for_drawing_change() 
    68918 File
    68919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68920 packages/chimerax/core/graphics/view.py", line 252, in
    68921 check_for_drawing_change 
    68922 trig.activate_trigger('graphics update', self) 
    68923 File
    68924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68925 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68926 trigger.activate(data) 
    68927 File
    68928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68929 packages/chimerax/core/triggerset.py", line 190, in activate 
    68930 ret = handler.invoke(data, self._remove_bad_handlers) 
    68931 File
    68932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68933 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68934 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68935 File
    68936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68937 packages/chimerax/core/session.py", line 943, in <lambda> 
    68938 logger.report_exception(preface=preface)) 
    68939 File
    68940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68941 packages/chimerax/core/logger.py", line 421, in report_exception 
    68942 elif probably_chimera1_session(exc_info): 
    68943 File
    68944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68945 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68946 etype, evalue, etraceback = exc_info 
    68947 TypeError: cannot unpack non-iterable NoneType object 
    68948  
    68949 TypeError: cannot unpack non-iterable NoneType object 
    68950  
    68951 File
    68952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68953 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68954 etype, evalue, etraceback = exc_info 
    68955  
    68956 See log for complete Python traceback. 
    68957  
    68958 Traceback (most recent call last): 
    68959 File
    68960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68961 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68962 return self._func(self._name, data) 
    68963 File
    68964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68965 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68966 if v.display: 
    68967 File
    68968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68969 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68970 return self._any_displayed_positions and len(self._positions) > 0 
    68971 TypeError: object of type 'NoneType' has no len() 
    68972  
    68973 During handling of the above exception, another exception occurred: 
    68974  
    68975 Traceback (most recent call last): 
    68976 File
    68977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68978 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68979 if not self.draw_new_frame(): 
    68980 File
    68981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68982 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68983 changed = view.check_for_drawing_change() 
    68984 File
    68985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68986 packages/chimerax/core/graphics/view.py", line 252, in
    68987 check_for_drawing_change 
    68988 trig.activate_trigger('graphics update', self) 
    68989 File
    68990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68991 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68992 trigger.activate(data) 
    68993 File
    68994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68995 packages/chimerax/core/triggerset.py", line 190, in activate 
    68996 ret = handler.invoke(data, self._remove_bad_handlers) 
    68997 File
    68998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68999 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69000 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69001 File
    69002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69003 packages/chimerax/core/session.py", line 943, in <lambda> 
    69004 logger.report_exception(preface=preface)) 
    69005 File
    69006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69007 packages/chimerax/core/logger.py", line 421, in report_exception 
    69008 elif probably_chimera1_session(exc_info): 
    69009 File
    69010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69011 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69012 etype, evalue, etraceback = exc_info 
    69013 TypeError: cannot unpack non-iterable NoneType object 
    69014  
    69015 TypeError: cannot unpack non-iterable NoneType object 
    69016  
    69017 File
    69018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69019 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69020 etype, evalue, etraceback = exc_info 
    69021  
    69022 See log for complete Python traceback. 
    69023  
    69024 Traceback (most recent call last): 
    69025 File
    69026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69027 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69028 return self._func(self._name, data) 
    69029 File
    69030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69031 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69032 if v.display: 
    69033 File
    69034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69035 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69036 return self._any_displayed_positions and len(self._positions) > 0 
    69037 TypeError: object of type 'NoneType' has no len() 
    69038  
    69039 During handling of the above exception, another exception occurred: 
    69040  
    69041 Traceback (most recent call last): 
    69042 File
    69043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69044 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69045 if not self.draw_new_frame(): 
    69046 File
    69047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69048 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69049 changed = view.check_for_drawing_change() 
    69050 File
    69051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69052 packages/chimerax/core/graphics/view.py", line 252, in
    69053 check_for_drawing_change 
    69054 trig.activate_trigger('graphics update', self) 
    69055 File
    69056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69057 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69058 trigger.activate(data) 
    69059 File
    69060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69061 packages/chimerax/core/triggerset.py", line 190, in activate 
    69062 ret = handler.invoke(data, self._remove_bad_handlers) 
    69063 File
    69064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69065 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69066 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69067 File
    69068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69069 packages/chimerax/core/session.py", line 943, in <lambda> 
    69070 logger.report_exception(preface=preface)) 
    69071 File
    69072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69073 packages/chimerax/core/logger.py", line 421, in report_exception 
    69074 elif probably_chimera1_session(exc_info): 
    69075 File
    69076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69077 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69078 etype, evalue, etraceback = exc_info 
    69079 TypeError: cannot unpack non-iterable NoneType object 
    69080  
    69081 TypeError: cannot unpack non-iterable NoneType object 
    69082  
    69083 File
    69084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69085 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69086 etype, evalue, etraceback = exc_info 
    69087  
    69088 See log for complete Python traceback. 
    69089  
    69090 Traceback (most recent call last): 
    69091 File
    69092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69093 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69094 return self._func(self._name, data) 
    69095 File
    69096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69097 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69098 if v.display: 
    69099 File
    69100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69101 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69102 return self._any_displayed_positions and len(self._positions) > 0 
    69103 TypeError: object of type 'NoneType' has no len() 
    69104  
    69105 During handling of the above exception, another exception occurred: 
    69106  
    69107 Traceback (most recent call last): 
    69108 File
    69109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69110 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69111 if not self.draw_new_frame(): 
    69112 File
    69113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69114 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69115 changed = view.check_for_drawing_change() 
    69116 File
    69117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69118 packages/chimerax/core/graphics/view.py", line 252, in
    69119 check_for_drawing_change 
    69120 trig.activate_trigger('graphics update', self) 
    69121 File
    69122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69123 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69124 trigger.activate(data) 
    69125 File
    69126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69127 packages/chimerax/core/triggerset.py", line 190, in activate 
    69128 ret = handler.invoke(data, self._remove_bad_handlers) 
    69129 File
    69130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69131 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69132 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69133 File
    69134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69135 packages/chimerax/core/session.py", line 943, in <lambda> 
    69136 logger.report_exception(preface=preface)) 
    69137 File
    69138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69139 packages/chimerax/core/logger.py", line 421, in report_exception 
    69140 elif probably_chimera1_session(exc_info): 
    69141 File
    69142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69143 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69144 etype, evalue, etraceback = exc_info 
    69145 TypeError: cannot unpack non-iterable NoneType object 
    69146  
    69147 TypeError: cannot unpack non-iterable NoneType object 
    69148  
    69149 File
    69150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69151 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69152 etype, evalue, etraceback = exc_info 
    69153  
    69154 See log for complete Python traceback. 
    69155  
    69156 Traceback (most recent call last): 
    69157 File
    69158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69159 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69160 return self._func(self._name, data) 
    69161 File
    69162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69163 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69164 if v.display: 
    69165 File
    69166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69167 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69168 return self._any_displayed_positions and len(self._positions) > 0 
    69169 TypeError: object of type 'NoneType' has no len() 
    69170  
    69171 During handling of the above exception, another exception occurred: 
    69172  
    69173 Traceback (most recent call last): 
    69174 File
    69175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69176 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69177 if not self.draw_new_frame(): 
    69178 File
    69179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69180 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69181 changed = view.check_for_drawing_change() 
    69182 File
    69183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69184 packages/chimerax/core/graphics/view.py", line 252, in
    69185 check_for_drawing_change 
    69186 trig.activate_trigger('graphics update', self) 
    69187 File
    69188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69189 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69190 trigger.activate(data) 
    69191 File
    69192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69193 packages/chimerax/core/triggerset.py", line 190, in activate 
    69194 ret = handler.invoke(data, self._remove_bad_handlers) 
    69195 File
    69196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69197 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69198 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69199 File
    69200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69201 packages/chimerax/core/session.py", line 943, in <lambda> 
    69202 logger.report_exception(preface=preface)) 
    69203 File
    69204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69205 packages/chimerax/core/logger.py", line 421, in report_exception 
    69206 elif probably_chimera1_session(exc_info): 
    69207 File
    69208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69209 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69210 etype, evalue, etraceback = exc_info 
    69211 TypeError: cannot unpack non-iterable NoneType object 
    69212  
    69213 TypeError: cannot unpack non-iterable NoneType object 
    69214  
    69215 File
    69216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69217 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69218 etype, evalue, etraceback = exc_info 
    69219  
    69220 See log for complete Python traceback. 
    69221  
    69222 Traceback (most recent call last): 
    69223 File
    69224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69225 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69226 return self._func(self._name, data) 
    69227 File
    69228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69229 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69230 if v.display: 
    69231 File
    69232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69233 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69234 return self._any_displayed_positions and len(self._positions) > 0 
    69235 TypeError: object of type 'NoneType' has no len() 
    69236  
    69237 During handling of the above exception, another exception occurred: 
    69238  
    69239 Traceback (most recent call last): 
    69240 File
    69241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69242 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69243 if not self.draw_new_frame(): 
    69244 File
    69245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69246 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69247 changed = view.check_for_drawing_change() 
    69248 File
    69249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69250 packages/chimerax/core/graphics/view.py", line 252, in
    69251 check_for_drawing_change 
    69252 trig.activate_trigger('graphics update', self) 
    69253 File
    69254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69255 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69256 trigger.activate(data) 
    69257 File
    69258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69259 packages/chimerax/core/triggerset.py", line 190, in activate 
    69260 ret = handler.invoke(data, self._remove_bad_handlers) 
    69261 File
    69262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69263 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69264 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69265 File
    69266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69267 packages/chimerax/core/session.py", line 943, in <lambda> 
    69268 logger.report_exception(preface=preface)) 
    69269 File
    69270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69271 packages/chimerax/core/logger.py", line 421, in report_exception 
    69272 elif probably_chimera1_session(exc_info): 
    69273 File
    69274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69275 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69276 etype, evalue, etraceback = exc_info 
    69277 TypeError: cannot unpack non-iterable NoneType object 
    69278  
    69279 TypeError: cannot unpack non-iterable NoneType object 
    69280  
    69281 File
    69282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69283 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69284 etype, evalue, etraceback = exc_info 
    69285  
    69286 See log for complete Python traceback. 
    69287  
    69288 Traceback (most recent call last): 
    69289 File
    69290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69291 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69292 return self._func(self._name, data) 
    69293 File
    69294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69295 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69296 if v.display: 
    69297 File
    69298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69299 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69300 return self._any_displayed_positions and len(self._positions) > 0 
    69301 TypeError: object of type 'NoneType' has no len() 
    69302  
    69303 During handling of the above exception, another exception occurred: 
    69304  
    69305 Traceback (most recent call last): 
    69306 File
    69307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69308 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69309 if not self.draw_new_frame(): 
    69310 File
    69311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69312 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69313 changed = view.check_for_drawing_change() 
    69314 File
    69315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69316 packages/chimerax/core/graphics/view.py", line 252, in
    69317 check_for_drawing_change 
    69318 trig.activate_trigger('graphics update', self) 
    69319 File
    69320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69321 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69322 trigger.activate(data) 
    69323 File
    69324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69325 packages/chimerax/core/triggerset.py", line 190, in activate 
    69326 ret = handler.invoke(data, self._remove_bad_handlers) 
    69327 File
    69328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69329 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69330 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69331 File
    69332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69333 packages/chimerax/core/session.py", line 943, in <lambda> 
    69334 logger.report_exception(preface=preface)) 
    69335 File
    69336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69337 packages/chimerax/core/logger.py", line 421, in report_exception 
    69338 elif probably_chimera1_session(exc_info): 
    69339 File
    69340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69341 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69342 etype, evalue, etraceback = exc_info 
    69343 TypeError: cannot unpack non-iterable NoneType object 
    69344  
    69345 TypeError: cannot unpack non-iterable NoneType object 
    69346  
    69347 File
    69348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69349 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69350 etype, evalue, etraceback = exc_info 
    69351  
    69352 See log for complete Python traceback. 
    69353  
    69354 Traceback (most recent call last): 
    69355 File
    69356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69357 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69358 return self._func(self._name, data) 
    69359 File
    69360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69361 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69362 if v.display: 
    69363 File
    69364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69365 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69366 return self._any_displayed_positions and len(self._positions) > 0 
    69367 TypeError: object of type 'NoneType' has no len() 
    69368  
    69369 During handling of the above exception, another exception occurred: 
    69370  
    69371 Traceback (most recent call last): 
    69372 File
    69373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69374 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69375 if not self.draw_new_frame(): 
    69376 File
    69377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69378 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69379 changed = view.check_for_drawing_change() 
    69380 File
    69381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69382 packages/chimerax/core/graphics/view.py", line 252, in
    69383 check_for_drawing_change 
    69384 trig.activate_trigger('graphics update', self) 
    69385 File
    69386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69387 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69388 trigger.activate(data) 
    69389 File
    69390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69391 packages/chimerax/core/triggerset.py", line 190, in activate 
    69392 ret = handler.invoke(data, self._remove_bad_handlers) 
    69393 File
    69394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69395 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69396 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69397 File
    69398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69399 packages/chimerax/core/session.py", line 943, in <lambda> 
    69400 logger.report_exception(preface=preface)) 
    69401 File
    69402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69403 packages/chimerax/core/logger.py", line 421, in report_exception 
    69404 elif probably_chimera1_session(exc_info): 
    69405 File
    69406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69407 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69408 etype, evalue, etraceback = exc_info 
    69409 TypeError: cannot unpack non-iterable NoneType object 
    69410  
    69411 TypeError: cannot unpack non-iterable NoneType object 
    69412  
    69413 File
    69414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69415 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69416 etype, evalue, etraceback = exc_info 
    69417  
    69418 See log for complete Python traceback. 
    69419  
    69420 Traceback (most recent call last): 
    69421 File
    69422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69423 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69424 return self._func(self._name, data) 
    69425 File
    69426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69427 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69428 if v.display: 
    69429 File
    69430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69431 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69432 return self._any_displayed_positions and len(self._positions) > 0 
    69433 TypeError: object of type 'NoneType' has no len() 
    69434  
    69435 During handling of the above exception, another exception occurred: 
    69436  
    69437 Traceback (most recent call last): 
    69438 File
    69439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69440 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69441 if not self.draw_new_frame(): 
    69442 File
    69443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69444 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69445 changed = view.check_for_drawing_change() 
    69446 File
    69447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69448 packages/chimerax/core/graphics/view.py", line 252, in
    69449 check_for_drawing_change 
    69450 trig.activate_trigger('graphics update', self) 
    69451 File
    69452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69453 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69454 trigger.activate(data) 
    69455 File
    69456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69457 packages/chimerax/core/triggerset.py", line 190, in activate 
    69458 ret = handler.invoke(data, self._remove_bad_handlers) 
    69459 File
    69460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69461 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69462 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69463 File
    69464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69465 packages/chimerax/core/session.py", line 943, in <lambda> 
    69466 logger.report_exception(preface=preface)) 
    69467 File
    69468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69469 packages/chimerax/core/logger.py", line 421, in report_exception 
    69470 elif probably_chimera1_session(exc_info): 
    69471 File
    69472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69473 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69474 etype, evalue, etraceback = exc_info 
    69475 TypeError: cannot unpack non-iterable NoneType object 
    69476  
    69477 TypeError: cannot unpack non-iterable NoneType object 
    69478  
    69479 File
    69480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69481 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69482 etype, evalue, etraceback = exc_info 
    69483  
    69484 See log for complete Python traceback. 
    69485  
    69486 Traceback (most recent call last): 
    69487 File
    69488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69489 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69490 return self._func(self._name, data) 
    69491 File
    69492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69493 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69494 if v.display: 
    69495 File
    69496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69497 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69498 return self._any_displayed_positions and len(self._positions) > 0 
    69499 TypeError: object of type 'NoneType' has no len() 
    69500  
    69501 During handling of the above exception, another exception occurred: 
    69502  
    69503 Traceback (most recent call last): 
    69504 File
    69505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69506 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69507 if not self.draw_new_frame(): 
    69508 File
    69509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69510 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69511 changed = view.check_for_drawing_change() 
    69512 File
    69513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69514 packages/chimerax/core/graphics/view.py", line 252, in
    69515 check_for_drawing_change 
    69516 trig.activate_trigger('graphics update', self) 
    69517 File
    69518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69519 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69520 trigger.activate(data) 
    69521 File
    69522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69523 packages/chimerax/core/triggerset.py", line 190, in activate 
    69524 ret = handler.invoke(data, self._remove_bad_handlers) 
    69525 File
    69526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69527 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69528 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69529 File
    69530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69531 packages/chimerax/core/session.py", line 943, in <lambda> 
    69532 logger.report_exception(preface=preface)) 
    69533 File
    69534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69535 packages/chimerax/core/logger.py", line 421, in report_exception 
    69536 elif probably_chimera1_session(exc_info): 
    69537 File
    69538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69539 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69540 etype, evalue, etraceback = exc_info 
    69541 TypeError: cannot unpack non-iterable NoneType object 
    69542  
    69543 TypeError: cannot unpack non-iterable NoneType object 
    69544  
    69545 File
    69546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69547 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69548 etype, evalue, etraceback = exc_info 
    69549  
    69550 See log for complete Python traceback. 
    69551  
    69552 Traceback (most recent call last): 
    69553 File
    69554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69555 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69556 return self._func(self._name, data) 
    69557 File
    69558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69559 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69560 if v.display: 
    69561 File
    69562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69563 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69564 return self._any_displayed_positions and len(self._positions) > 0 
    69565 TypeError: object of type 'NoneType' has no len() 
    69566  
    69567 During handling of the above exception, another exception occurred: 
    69568  
    69569 Traceback (most recent call last): 
    69570 File
    69571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69572 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69573 if not self.draw_new_frame(): 
    69574 File
    69575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69576 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69577 changed = view.check_for_drawing_change() 
    69578 File
    69579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69580 packages/chimerax/core/graphics/view.py", line 252, in
    69581 check_for_drawing_change 
    69582 trig.activate_trigger('graphics update', self) 
    69583 File
    69584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69585 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69586 trigger.activate(data) 
    69587 File
    69588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69589 packages/chimerax/core/triggerset.py", line 190, in activate 
    69590 ret = handler.invoke(data, self._remove_bad_handlers) 
    69591 File
    69592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69593 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69594 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69595 File
    69596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69597 packages/chimerax/core/session.py", line 943, in <lambda> 
    69598 logger.report_exception(preface=preface)) 
    69599 File
    69600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69601 packages/chimerax/core/logger.py", line 421, in report_exception 
    69602 elif probably_chimera1_session(exc_info): 
    69603 File
    69604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69605 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69606 etype, evalue, etraceback = exc_info 
    69607 TypeError: cannot unpack non-iterable NoneType object 
    69608  
    69609 TypeError: cannot unpack non-iterable NoneType object 
    69610  
    69611 File
    69612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69613 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69614 etype, evalue, etraceback = exc_info 
    69615  
    69616 See log for complete Python traceback. 
    69617  
    69618 Traceback (most recent call last): 
    69619 File
    69620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69621 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69622 return self._func(self._name, data) 
    69623 File
    69624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69625 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69626 if v.display: 
    69627 File
    69628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69629 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69630 return self._any_displayed_positions and len(self._positions) > 0 
    69631 TypeError: object of type 'NoneType' has no len() 
    69632  
    69633 During handling of the above exception, another exception occurred: 
    69634  
    69635 Traceback (most recent call last): 
    69636 File
    69637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69638 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69639 if not self.draw_new_frame(): 
    69640 File
    69641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69642 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69643 changed = view.check_for_drawing_change() 
    69644 File
    69645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69646 packages/chimerax/core/graphics/view.py", line 252, in
    69647 check_for_drawing_change 
    69648 trig.activate_trigger('graphics update', self) 
    69649 File
    69650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69651 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69652 trigger.activate(data) 
    69653 File
    69654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69655 packages/chimerax/core/triggerset.py", line 190, in activate 
    69656 ret = handler.invoke(data, self._remove_bad_handlers) 
    69657 File
    69658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69659 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69660 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69661 File
    69662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69663 packages/chimerax/core/session.py", line 943, in <lambda> 
    69664 logger.report_exception(preface=preface)) 
    69665 File
    69666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69667 packages/chimerax/core/logger.py", line 421, in report_exception 
    69668 elif probably_chimera1_session(exc_info): 
    69669 File
    69670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69671 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69672 etype, evalue, etraceback = exc_info 
    69673 TypeError: cannot unpack non-iterable NoneType object 
    69674  
    69675 TypeError: cannot unpack non-iterable NoneType object 
    69676  
    69677 File
    69678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69679 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69680 etype, evalue, etraceback = exc_info 
    69681  
    69682 See log for complete Python traceback. 
    69683  
    69684 Traceback (most recent call last): 
    69685 File
    69686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69687 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69688 return self._func(self._name, data) 
    69689 File
    69690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69691 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69692 if v.display: 
    69693 File
    69694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69695 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69696 return self._any_displayed_positions and len(self._positions) > 0 
    69697 TypeError: object of type 'NoneType' has no len() 
    69698  
    69699 During handling of the above exception, another exception occurred: 
    69700  
    69701 Traceback (most recent call last): 
    69702 File
    69703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69704 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69705 if not self.draw_new_frame(): 
    69706 File
    69707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69708 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69709 changed = view.check_for_drawing_change() 
    69710 File
    69711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69712 packages/chimerax/core/graphics/view.py", line 252, in
    69713 check_for_drawing_change 
    69714 trig.activate_trigger('graphics update', self) 
    69715 File
    69716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69717 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69718 trigger.activate(data) 
    69719 File
    69720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69721 packages/chimerax/core/triggerset.py", line 190, in activate 
    69722 ret = handler.invoke(data, self._remove_bad_handlers) 
    69723 File
    69724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69725 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69726 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69727 File
    69728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69729 packages/chimerax/core/session.py", line 943, in <lambda> 
    69730 logger.report_exception(preface=preface)) 
    69731 File
    69732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69733 packages/chimerax/core/logger.py", line 421, in report_exception 
    69734 elif probably_chimera1_session(exc_info): 
    69735 File
    69736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69737 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69738 etype, evalue, etraceback = exc_info 
    69739 TypeError: cannot unpack non-iterable NoneType object 
    69740  
    69741 TypeError: cannot unpack non-iterable NoneType object 
    69742  
    69743 File
    69744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69745 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69746 etype, evalue, etraceback = exc_info 
    69747  
    69748 See log for complete Python traceback. 
    69749  
    69750 Traceback (most recent call last): 
    69751 File
    69752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69753 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69754 return self._func(self._name, data) 
    69755 File
    69756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69757 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69758 if v.display: 
    69759 File
    69760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69761 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69762 return self._any_displayed_positions and len(self._positions) > 0 
    69763 TypeError: object of type 'NoneType' has no len() 
    69764  
    69765 During handling of the above exception, another exception occurred: 
    69766  
    69767 Traceback (most recent call last): 
    69768 File
    69769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69770 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69771 if not self.draw_new_frame(): 
    69772 File
    69773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69774 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69775 changed = view.check_for_drawing_change() 
    69776 File
    69777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69778 packages/chimerax/core/graphics/view.py", line 252, in
    69779 check_for_drawing_change 
    69780 trig.activate_trigger('graphics update', self) 
    69781 File
    69782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69783 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69784 trigger.activate(data) 
    69785 File
    69786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69787 packages/chimerax/core/triggerset.py", line 190, in activate 
    69788 ret = handler.invoke(data, self._remove_bad_handlers) 
    69789 File
    69790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69791 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69792 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69793 File
    69794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69795 packages/chimerax/core/session.py", line 943, in <lambda> 
    69796 logger.report_exception(preface=preface)) 
    69797 File
    69798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69799 packages/chimerax/core/logger.py", line 421, in report_exception 
    69800 elif probably_chimera1_session(exc_info): 
    69801 File
    69802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69803 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69804 etype, evalue, etraceback = exc_info 
    69805 TypeError: cannot unpack non-iterable NoneType object 
    69806  
    69807 TypeError: cannot unpack non-iterable NoneType object 
    69808  
    69809 File
    69810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69811 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69812 etype, evalue, etraceback = exc_info 
    69813  
    69814 See log for complete Python traceback. 
    69815  
    69816 Traceback (most recent call last): 
    69817 File
    69818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69819 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69820 return self._func(self._name, data) 
    69821 File
    69822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69823 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69824 if v.display: 
    69825 File
    69826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69827 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69828 return self._any_displayed_positions and len(self._positions) > 0 
    69829 TypeError: object of type 'NoneType' has no len() 
    69830  
    69831 During handling of the above exception, another exception occurred: 
    69832  
    69833 Traceback (most recent call last): 
    69834 File
    69835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69836 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69837 if not self.draw_new_frame(): 
    69838 File
    69839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69840 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69841 changed = view.check_for_drawing_change() 
    69842 File
    69843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69844 packages/chimerax/core/graphics/view.py", line 252, in
    69845 check_for_drawing_change 
    69846 trig.activate_trigger('graphics update', self) 
    69847 File
    69848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69849 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69850 trigger.activate(data) 
    69851 File
    69852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69853 packages/chimerax/core/triggerset.py", line 190, in activate 
    69854 ret = handler.invoke(data, self._remove_bad_handlers) 
    69855 File
    69856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69857 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69858 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69859 File
    69860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69861 packages/chimerax/core/session.py", line 943, in <lambda> 
    69862 logger.report_exception(preface=preface)) 
    69863 File
    69864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69865 packages/chimerax/core/logger.py", line 421, in report_exception 
    69866 elif probably_chimera1_session(exc_info): 
    69867 File
    69868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69869 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69870 etype, evalue, etraceback = exc_info 
    69871 TypeError: cannot unpack non-iterable NoneType object 
    69872  
    69873 TypeError: cannot unpack non-iterable NoneType object 
    69874  
    69875 File
    69876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69877 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69878 etype, evalue, etraceback = exc_info 
    69879  
    69880 See log for complete Python traceback. 
    69881  
    69882 Traceback (most recent call last): 
    69883 File
    69884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69885 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69886 return self._func(self._name, data) 
    69887 File
    69888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69889 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69890 if v.display: 
    69891 File
    69892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69893 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69894 return self._any_displayed_positions and len(self._positions) > 0 
    69895 TypeError: object of type 'NoneType' has no len() 
    69896  
    69897 During handling of the above exception, another exception occurred: 
    69898  
    69899 Traceback (most recent call last): 
    69900 File
    69901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69902 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69903 if not self.draw_new_frame(): 
    69904 File
    69905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69906 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69907 changed = view.check_for_drawing_change() 
    69908 File
    69909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69910 packages/chimerax/core/graphics/view.py", line 252, in
    69911 check_for_drawing_change 
    69912 trig.activate_trigger('graphics update', self) 
    69913 File
    69914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69915 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69916 trigger.activate(data) 
    69917 File
    69918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69919 packages/chimerax/core/triggerset.py", line 190, in activate 
    69920 ret = handler.invoke(data, self._remove_bad_handlers) 
    69921 File
    69922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69923 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69924 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69925 File
    69926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69927 packages/chimerax/core/session.py", line 943, in <lambda> 
    69928 logger.report_exception(preface=preface)) 
    69929 File
    69930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69931 packages/chimerax/core/logger.py", line 421, in report_exception 
    69932 elif probably_chimera1_session(exc_info): 
    69933 File
    69934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69935 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69936 etype, evalue, etraceback = exc_info 
    69937 TypeError: cannot unpack non-iterable NoneType object 
    69938  
    69939 TypeError: cannot unpack non-iterable NoneType object 
    69940  
    69941 File
    69942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69943 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69944 etype, evalue, etraceback = exc_info 
    69945  
    69946 See log for complete Python traceback. 
    69947  
    69948 Traceback (most recent call last): 
    69949 File
    69950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69951 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69952 return self._func(self._name, data) 
    69953 File
    69954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69955 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69956 if v.display: 
    69957 File
    69958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69959 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69960 return self._any_displayed_positions and len(self._positions) > 0 
    69961 TypeError: object of type 'NoneType' has no len() 
    69962  
    69963 During handling of the above exception, another exception occurred: 
    69964  
    69965 Traceback (most recent call last): 
    69966 File
    69967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69968 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69969 if not self.draw_new_frame(): 
    69970 File
    69971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69972 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69973 changed = view.check_for_drawing_change() 
    69974 File
    69975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69976 packages/chimerax/core/graphics/view.py", line 252, in
    69977 check_for_drawing_change 
    69978 trig.activate_trigger('graphics update', self) 
    69979 File
    69980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69981 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69982 trigger.activate(data) 
    69983 File
    69984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69985 packages/chimerax/core/triggerset.py", line 190, in activate 
    69986 ret = handler.invoke(data, self._remove_bad_handlers) 
    69987 File
    69988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69989 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69990 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69991 File
    69992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69993 packages/chimerax/core/session.py", line 943, in <lambda> 
    69994 logger.report_exception(preface=preface)) 
    69995 File
    69996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69997 packages/chimerax/core/logger.py", line 421, in report_exception 
    69998 elif probably_chimera1_session(exc_info): 
    69999 File
    70000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70001 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70002 etype, evalue, etraceback = exc_info 
    70003 TypeError: cannot unpack non-iterable NoneType object 
    70004  
    70005 TypeError: cannot unpack non-iterable NoneType object 
    70006  
    70007 File
    70008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70009 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70010 etype, evalue, etraceback = exc_info 
    70011  
    70012 See log for complete Python traceback. 
    70013  
    70014 Traceback (most recent call last): 
    70015 File
    70016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70017 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70018 return self._func(self._name, data) 
    70019 File
    70020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70021 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70022 if v.display: 
    70023 File
    70024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70025 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70026 return self._any_displayed_positions and len(self._positions) > 0 
    70027 TypeError: object of type 'NoneType' has no len() 
    70028  
    70029 During handling of the above exception, another exception occurred: 
    70030  
    70031 Traceback (most recent call last): 
    70032 File
    70033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70034 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70035 if not self.draw_new_frame(): 
    70036 File
    70037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70038 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70039 changed = view.check_for_drawing_change() 
    70040 File
    70041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70042 packages/chimerax/core/graphics/view.py", line 252, in
    70043 check_for_drawing_change 
    70044 trig.activate_trigger('graphics update', self) 
    70045 File
    70046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70047 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70048 trigger.activate(data) 
    70049 File
    70050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70051 packages/chimerax/core/triggerset.py", line 190, in activate 
    70052 ret = handler.invoke(data, self._remove_bad_handlers) 
    70053 File
    70054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70055 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70056 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70057 File
    70058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70059 packages/chimerax/core/session.py", line 943, in <lambda> 
    70060 logger.report_exception(preface=preface)) 
    70061 File
    70062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70063 packages/chimerax/core/logger.py", line 421, in report_exception 
    70064 elif probably_chimera1_session(exc_info): 
    70065 File
    70066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70067 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70068 etype, evalue, etraceback = exc_info 
    70069 TypeError: cannot unpack non-iterable NoneType object 
    70070  
    70071 TypeError: cannot unpack non-iterable NoneType object 
    70072  
    70073 File
    70074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70075 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70076 etype, evalue, etraceback = exc_info 
    70077  
    70078 See log for complete Python traceback. 
    70079  
    70080 Traceback (most recent call last): 
    70081 File
    70082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70083 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70084 return self._func(self._name, data) 
    70085 File
    70086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70087 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70088 if v.display: 
    70089 File
    70090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70091 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70092 return self._any_displayed_positions and len(self._positions) > 0 
    70093 TypeError: object of type 'NoneType' has no len() 
    70094  
    70095 During handling of the above exception, another exception occurred: 
    70096  
    70097 Traceback (most recent call last): 
    70098 File
    70099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70100 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70101 if not self.draw_new_frame(): 
    70102 File
    70103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70104 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70105 changed = view.check_for_drawing_change() 
    70106 File
    70107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70108 packages/chimerax/core/graphics/view.py", line 252, in
    70109 check_for_drawing_change 
    70110 trig.activate_trigger('graphics update', self) 
    70111 File
    70112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70113 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70114 trigger.activate(data) 
    70115 File
    70116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70117 packages/chimerax/core/triggerset.py", line 190, in activate 
    70118 ret = handler.invoke(data, self._remove_bad_handlers) 
    70119 File
    70120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70121 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70122 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70123 File
    70124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70125 packages/chimerax/core/session.py", line 943, in <lambda> 
    70126 logger.report_exception(preface=preface)) 
    70127 File
    70128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70129 packages/chimerax/core/logger.py", line 421, in report_exception 
    70130 elif probably_chimera1_session(exc_info): 
    70131 File
    70132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70133 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70134 etype, evalue, etraceback = exc_info 
    70135 TypeError: cannot unpack non-iterable NoneType object 
    70136  
    70137 TypeError: cannot unpack non-iterable NoneType object 
    70138  
    70139 File
    70140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70141 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70142 etype, evalue, etraceback = exc_info 
    70143  
    70144 See log for complete Python traceback. 
    70145  
    70146 Traceback (most recent call last): 
    70147 File
    70148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70149 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70150 return self._func(self._name, data) 
    70151 File
    70152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70153 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70154 if v.display: 
    70155 File
    70156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70157 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70158 return self._any_displayed_positions and len(self._positions) > 0 
    70159 TypeError: object of type 'NoneType' has no len() 
    70160  
    70161 During handling of the above exception, another exception occurred: 
    70162  
    70163 Traceback (most recent call last): 
    70164 File
    70165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70166 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70167 if not self.draw_new_frame(): 
    70168 File
    70169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70170 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70171 changed = view.check_for_drawing_change() 
    70172 File
    70173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70174 packages/chimerax/core/graphics/view.py", line 252, in
    70175 check_for_drawing_change 
    70176 trig.activate_trigger('graphics update', self) 
    70177 File
    70178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70179 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70180 trigger.activate(data) 
    70181 File
    70182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70183 packages/chimerax/core/triggerset.py", line 190, in activate 
    70184 ret = handler.invoke(data, self._remove_bad_handlers) 
    70185 File
    70186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70187 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70188 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70189 File
    70190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70191 packages/chimerax/core/session.py", line 943, in <lambda> 
    70192 logger.report_exception(preface=preface)) 
    70193 File
    70194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70195 packages/chimerax/core/logger.py", line 421, in report_exception 
    70196 elif probably_chimera1_session(exc_info): 
    70197 File
    70198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70199 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70200 etype, evalue, etraceback = exc_info 
    70201 TypeError: cannot unpack non-iterable NoneType object 
    70202  
    70203 TypeError: cannot unpack non-iterable NoneType object 
    70204  
    70205 File
    70206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70207 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70208 etype, evalue, etraceback = exc_info 
    70209  
    70210 See log for complete Python traceback. 
    70211  
    70212 Traceback (most recent call last): 
    70213 File
    70214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70215 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70216 return self._func(self._name, data) 
    70217 File
    70218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70219 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70220 if v.display: 
    70221 File
    70222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70223 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70224 return self._any_displayed_positions and len(self._positions) > 0 
    70225 TypeError: object of type 'NoneType' has no len() 
    70226  
    70227 During handling of the above exception, another exception occurred: 
    70228  
    70229 Traceback (most recent call last): 
    70230 File
    70231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70232 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70233 if not self.draw_new_frame(): 
    70234 File
    70235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70236 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70237 changed = view.check_for_drawing_change() 
    70238 File
    70239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70240 packages/chimerax/core/graphics/view.py", line 252, in
    70241 check_for_drawing_change 
    70242 trig.activate_trigger('graphics update', self) 
    70243 File
    70244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70245 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70246 trigger.activate(data) 
    70247 File
    70248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70249 packages/chimerax/core/triggerset.py", line 190, in activate 
    70250 ret = handler.invoke(data, self._remove_bad_handlers) 
    70251 File
    70252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70253 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70254 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70255 File
    70256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70257 packages/chimerax/core/session.py", line 943, in <lambda> 
    70258 logger.report_exception(preface=preface)) 
    70259 File
    70260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70261 packages/chimerax/core/logger.py", line 421, in report_exception 
    70262 elif probably_chimera1_session(exc_info): 
    70263 File
    70264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70265 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70266 etype, evalue, etraceback = exc_info 
    70267 TypeError: cannot unpack non-iterable NoneType object 
    70268  
    70269 TypeError: cannot unpack non-iterable NoneType object 
    70270  
    70271 File
    70272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70273 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70274 etype, evalue, etraceback = exc_info 
    70275  
    70276 See log for complete Python traceback. 
    70277  
    70278 Traceback (most recent call last): 
    70279 File
    70280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70281 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70282 return self._func(self._name, data) 
    70283 File
    70284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70285 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70286 if v.display: 
    70287 File
    70288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70289 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70290 return self._any_displayed_positions and len(self._positions) > 0 
    70291 TypeError: object of type 'NoneType' has no len() 
    70292  
    70293 During handling of the above exception, another exception occurred: 
    70294  
    70295 Traceback (most recent call last): 
    70296 File
    70297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70298 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70299 if not self.draw_new_frame(): 
    70300 File
    70301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70302 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70303 changed = view.check_for_drawing_change() 
    70304 File
    70305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70306 packages/chimerax/core/graphics/view.py", line 252, in
    70307 check_for_drawing_change 
    70308 trig.activate_trigger('graphics update', self) 
    70309 File
    70310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70311 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70312 trigger.activate(data) 
    70313 File
    70314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70315 packages/chimerax/core/triggerset.py", line 190, in activate 
    70316 ret = handler.invoke(data, self._remove_bad_handlers) 
    70317 File
    70318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70319 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70320 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70321 File
    70322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70323 packages/chimerax/core/session.py", line 943, in <lambda> 
    70324 logger.report_exception(preface=preface)) 
    70325 File
    70326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70327 packages/chimerax/core/logger.py", line 421, in report_exception 
    70328 elif probably_chimera1_session(exc_info): 
    70329 File
    70330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70331 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70332 etype, evalue, etraceback = exc_info 
    70333 TypeError: cannot unpack non-iterable NoneType object 
    70334  
    70335 TypeError: cannot unpack non-iterable NoneType object 
    70336  
    70337 File
    70338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70339 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70340 etype, evalue, etraceback = exc_info 
    70341  
    70342 See log for complete Python traceback. 
    70343  
    70344 Traceback (most recent call last): 
    70345 File
    70346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70347 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70348 return self._func(self._name, data) 
    70349 File
    70350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70351 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70352 if v.display: 
    70353 File
    70354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70355 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70356 return self._any_displayed_positions and len(self._positions) > 0 
    70357 TypeError: object of type 'NoneType' has no len() 
    70358  
    70359 During handling of the above exception, another exception occurred: 
    70360  
    70361 Traceback (most recent call last): 
    70362 File
    70363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70364 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70365 if not self.draw_new_frame(): 
    70366 File
    70367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70368 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70369 changed = view.check_for_drawing_change() 
    70370 File
    70371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70372 packages/chimerax/core/graphics/view.py", line 252, in
    70373 check_for_drawing_change 
    70374 trig.activate_trigger('graphics update', self) 
    70375 File
    70376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70377 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70378 trigger.activate(data) 
    70379 File
    70380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70381 packages/chimerax/core/triggerset.py", line 190, in activate 
    70382 ret = handler.invoke(data, self._remove_bad_handlers) 
    70383 File
    70384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70385 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70386 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70387 File
    70388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70389 packages/chimerax/core/session.py", line 943, in <lambda> 
    70390 logger.report_exception(preface=preface)) 
    70391 File
    70392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70393 packages/chimerax/core/logger.py", line 421, in report_exception 
    70394 elif probably_chimera1_session(exc_info): 
    70395 File
    70396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70397 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70398 etype, evalue, etraceback = exc_info 
    70399 TypeError: cannot unpack non-iterable NoneType object 
    70400  
    70401 TypeError: cannot unpack non-iterable NoneType object 
    70402  
    70403 File
    70404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70405 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70406 etype, evalue, etraceback = exc_info 
    70407  
    70408 See log for complete Python traceback. 
    70409  
    70410 Traceback (most recent call last): 
    70411 File
    70412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70413 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70414 return self._func(self._name, data) 
    70415 File
    70416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70417 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70418 if v.display: 
    70419 File
    70420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70421 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70422 return self._any_displayed_positions and len(self._positions) > 0 
    70423 TypeError: object of type 'NoneType' has no len() 
    70424  
    70425 During handling of the above exception, another exception occurred: 
    70426  
    70427 Traceback (most recent call last): 
    70428 File
    70429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70430 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70431 if not self.draw_new_frame(): 
    70432 File
    70433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70434 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70435 changed = view.check_for_drawing_change() 
    70436 File
    70437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70438 packages/chimerax/core/graphics/view.py", line 252, in
    70439 check_for_drawing_change 
    70440 trig.activate_trigger('graphics update', self) 
    70441 File
    70442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70443 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70444 trigger.activate(data) 
    70445 File
    70446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70447 packages/chimerax/core/triggerset.py", line 190, in activate 
    70448 ret = handler.invoke(data, self._remove_bad_handlers) 
    70449 File
    70450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70451 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70452 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70453 File
    70454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70455 packages/chimerax/core/session.py", line 943, in <lambda> 
    70456 logger.report_exception(preface=preface)) 
    70457 File
    70458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70459 packages/chimerax/core/logger.py", line 421, in report_exception 
    70460 elif probably_chimera1_session(exc_info): 
    70461 File
    70462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70463 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70464 etype, evalue, etraceback = exc_info 
    70465 TypeError: cannot unpack non-iterable NoneType object 
    70466  
    70467 TypeError: cannot unpack non-iterable NoneType object 
    70468  
    70469 File
    70470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70471 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70472 etype, evalue, etraceback = exc_info 
    70473  
    70474 See log for complete Python traceback. 
    70475  
    70476 Traceback (most recent call last): 
    70477 File
    70478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70479 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70480 return self._func(self._name, data) 
    70481 File
    70482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70483 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70484 if v.display: 
    70485 File
    70486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70487 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70488 return self._any_displayed_positions and len(self._positions) > 0 
    70489 TypeError: object of type 'NoneType' has no len() 
    70490  
    70491 During handling of the above exception, another exception occurred: 
    70492  
    70493 Traceback (most recent call last): 
    70494 File
    70495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70496 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70497 if not self.draw_new_frame(): 
    70498 File
    70499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70500 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70501 changed = view.check_for_drawing_change() 
    70502 File
    70503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70504 packages/chimerax/core/graphics/view.py", line 252, in
    70505 check_for_drawing_change 
    70506 trig.activate_trigger('graphics update', self) 
    70507 File
    70508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70509 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70510 trigger.activate(data) 
    70511 File
    70512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70513 packages/chimerax/core/triggerset.py", line 190, in activate 
    70514 ret = handler.invoke(data, self._remove_bad_handlers) 
    70515 File
    70516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70517 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70518 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70519 File
    70520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70521 packages/chimerax/core/session.py", line 943, in <lambda> 
    70522 logger.report_exception(preface=preface)) 
    70523 File
    70524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70525 packages/chimerax/core/logger.py", line 421, in report_exception 
    70526 elif probably_chimera1_session(exc_info): 
    70527 File
    70528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70529 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70530 etype, evalue, etraceback = exc_info 
    70531 TypeError: cannot unpack non-iterable NoneType object 
    70532  
    70533 TypeError: cannot unpack non-iterable NoneType object 
    70534  
    70535 File
    70536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70537 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70538 etype, evalue, etraceback = exc_info 
    70539  
    70540 See log for complete Python traceback. 
    70541  
    70542 Traceback (most recent call last): 
    70543 File
    70544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70545 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70546 return self._func(self._name, data) 
    70547 File
    70548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70549 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70550 if v.display: 
    70551 File
    70552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70553 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70554 return self._any_displayed_positions and len(self._positions) > 0 
    70555 TypeError: object of type 'NoneType' has no len() 
    70556  
    70557 During handling of the above exception, another exception occurred: 
    70558  
    70559 Traceback (most recent call last): 
    70560 File
    70561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70562 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70563 if not self.draw_new_frame(): 
    70564 File
    70565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70566 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70567 changed = view.check_for_drawing_change() 
    70568 File
    70569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70570 packages/chimerax/core/graphics/view.py", line 252, in
    70571 check_for_drawing_change 
    70572 trig.activate_trigger('graphics update', self) 
    70573 File
    70574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70575 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70576 trigger.activate(data) 
    70577 File
    70578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70579 packages/chimerax/core/triggerset.py", line 190, in activate 
    70580 ret = handler.invoke(data, self._remove_bad_handlers) 
    70581 File
    70582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70583 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70584 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70585 File
    70586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70587 packages/chimerax/core/session.py", line 943, in <lambda> 
    70588 logger.report_exception(preface=preface)) 
    70589 File
    70590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70591 packages/chimerax/core/logger.py", line 421, in report_exception 
    70592 elif probably_chimera1_session(exc_info): 
    70593 File
    70594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70595 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70596 etype, evalue, etraceback = exc_info 
    70597 TypeError: cannot unpack non-iterable NoneType object 
    70598  
    70599 TypeError: cannot unpack non-iterable NoneType object 
    70600  
    70601 File
    70602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70603 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70604 etype, evalue, etraceback = exc_info 
    70605  
    70606 See log for complete Python traceback. 
    70607  
    70608 Traceback (most recent call last): 
    70609 File
    70610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70611 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70612 return self._func(self._name, data) 
    70613 File
    70614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70615 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70616 if v.display: 
    70617 File
    70618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70619 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70620 return self._any_displayed_positions and len(self._positions) > 0 
    70621 TypeError: object of type 'NoneType' has no len() 
    70622  
    70623 During handling of the above exception, another exception occurred: 
    70624  
    70625 Traceback (most recent call last): 
    70626 File
    70627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70628 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70629 if not self.draw_new_frame(): 
    70630 File
    70631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70632 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70633 changed = view.check_for_drawing_change() 
    70634 File
    70635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70636 packages/chimerax/core/graphics/view.py", line 252, in
    70637 check_for_drawing_change 
    70638 trig.activate_trigger('graphics update', self) 
    70639 File
    70640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70641 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70642 trigger.activate(data) 
    70643 File
    70644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70645 packages/chimerax/core/triggerset.py", line 190, in activate 
    70646 ret = handler.invoke(data, self._remove_bad_handlers) 
    70647 File
    70648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70649 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70650 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70651 File
    70652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70653 packages/chimerax/core/session.py", line 943, in <lambda> 
    70654 logger.report_exception(preface=preface)) 
    70655 File
    70656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70657 packages/chimerax/core/logger.py", line 421, in report_exception 
    70658 elif probably_chimera1_session(exc_info): 
    70659 File
    70660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70661 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70662 etype, evalue, etraceback = exc_info 
    70663 TypeError: cannot unpack non-iterable NoneType object 
    70664  
    70665 TypeError: cannot unpack non-iterable NoneType object 
    70666  
    70667 File
    70668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70669 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70670 etype, evalue, etraceback = exc_info 
    70671  
    70672 See log for complete Python traceback. 
    70673  
    70674 Traceback (most recent call last): 
    70675 File
    70676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70677 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70678 return self._func(self._name, data) 
    70679 File
    70680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70681 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70682 if v.display: 
    70683 File
    70684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70685 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70686 return self._any_displayed_positions and len(self._positions) > 0 
    70687 TypeError: object of type 'NoneType' has no len() 
    70688  
    70689 During handling of the above exception, another exception occurred: 
    70690  
    70691 Traceback (most recent call last): 
    70692 File
    70693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70694 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70695 if not self.draw_new_frame(): 
    70696 File
    70697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70698 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70699 changed = view.check_for_drawing_change() 
    70700 File
    70701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70702 packages/chimerax/core/graphics/view.py", line 252, in
    70703 check_for_drawing_change 
    70704 trig.activate_trigger('graphics update', self) 
    70705 File
    70706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70707 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70708 trigger.activate(data) 
    70709 File
    70710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70711 packages/chimerax/core/triggerset.py", line 190, in activate 
    70712 ret = handler.invoke(data, self._remove_bad_handlers) 
    70713 File
    70714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70715 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70716 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70717 File
    70718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70719 packages/chimerax/core/session.py", line 943, in <lambda> 
    70720 logger.report_exception(preface=preface)) 
    70721 File
    70722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70723 packages/chimerax/core/logger.py", line 421, in report_exception 
    70724 elif probably_chimera1_session(exc_info): 
    70725 File
    70726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70727 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70728 etype, evalue, etraceback = exc_info 
    70729 TypeError: cannot unpack non-iterable NoneType object 
    70730  
    70731 TypeError: cannot unpack non-iterable NoneType object 
    70732  
    70733 File
    70734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70735 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70736 etype, evalue, etraceback = exc_info 
    70737  
    70738 See log for complete Python traceback. 
    70739  
    70740 Traceback (most recent call last): 
    70741 File
    70742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70743 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70744 return self._func(self._name, data) 
    70745 File
    70746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70747 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70748 if v.display: 
    70749 File
    70750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70751 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70752 return self._any_displayed_positions and len(self._positions) > 0 
    70753 TypeError: object of type 'NoneType' has no len() 
    70754  
    70755 During handling of the above exception, another exception occurred: 
    70756  
    70757 Traceback (most recent call last): 
    70758 File
    70759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70760 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70761 if not self.draw_new_frame(): 
    70762 File
    70763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70764 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70765 changed = view.check_for_drawing_change() 
    70766 File
    70767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70768 packages/chimerax/core/graphics/view.py", line 252, in
    70769 check_for_drawing_change 
    70770 trig.activate_trigger('graphics update', self) 
    70771 File
    70772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70773 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70774 trigger.activate(data) 
    70775 File
    70776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70777 packages/chimerax/core/triggerset.py", line 190, in activate 
    70778 ret = handler.invoke(data, self._remove_bad_handlers) 
    70779 File
    70780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70781 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70782 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70783 File
    70784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70785 packages/chimerax/core/session.py", line 943, in <lambda> 
    70786 logger.report_exception(preface=preface)) 
    70787 File
    70788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70789 packages/chimerax/core/logger.py", line 421, in report_exception 
    70790 elif probably_chimera1_session(exc_info): 
    70791 File
    70792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70793 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70794 etype, evalue, etraceback = exc_info 
    70795 TypeError: cannot unpack non-iterable NoneType object 
    70796  
    70797 TypeError: cannot unpack non-iterable NoneType object 
    70798  
    70799 File
    70800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70801 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70802 etype, evalue, etraceback = exc_info 
    70803  
    70804 See log for complete Python traceback. 
    70805  
    70806 Traceback (most recent call last): 
    70807 File
    70808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70809 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70810 return self._func(self._name, data) 
    70811 File
    70812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70813 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70814 if v.display: 
    70815 File
    70816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70817 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70818 return self._any_displayed_positions and len(self._positions) > 0 
    70819 TypeError: object of type 'NoneType' has no len() 
    70820  
    70821 During handling of the above exception, another exception occurred: 
    70822  
    70823 Traceback (most recent call last): 
    70824 File
    70825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70826 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70827 if not self.draw_new_frame(): 
    70828 File
    70829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70830 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70831 changed = view.check_for_drawing_change() 
    70832 File
    70833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70834 packages/chimerax/core/graphics/view.py", line 252, in
    70835 check_for_drawing_change 
    70836 trig.activate_trigger('graphics update', self) 
    70837 File
    70838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70839 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70840 trigger.activate(data) 
    70841 File
    70842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70843 packages/chimerax/core/triggerset.py", line 190, in activate 
    70844 ret = handler.invoke(data, self._remove_bad_handlers) 
    70845 File
    70846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70847 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70848 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70849 File
    70850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70851 packages/chimerax/core/session.py", line 943, in <lambda> 
    70852 logger.report_exception(preface=preface)) 
    70853 File
    70854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70855 packages/chimerax/core/logger.py", line 421, in report_exception 
    70856 elif probably_chimera1_session(exc_info): 
    70857 File
    70858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70859 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70860 etype, evalue, etraceback = exc_info 
    70861 TypeError: cannot unpack non-iterable NoneType object 
    70862  
    70863 TypeError: cannot unpack non-iterable NoneType object 
    70864  
    70865 File
    70866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70867 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70868 etype, evalue, etraceback = exc_info 
    70869  
    70870 See log for complete Python traceback. 
    70871  
    70872 Traceback (most recent call last): 
    70873 File
    70874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70875 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70876 return self._func(self._name, data) 
    70877 File
    70878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70879 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70880 if v.display: 
    70881 File
    70882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70883 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70884 return self._any_displayed_positions and len(self._positions) > 0 
    70885 TypeError: object of type 'NoneType' has no len() 
    70886  
    70887 During handling of the above exception, another exception occurred: 
    70888  
    70889 Traceback (most recent call last): 
    70890 File
    70891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70892 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70893 if not self.draw_new_frame(): 
    70894 File
    70895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70896 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70897 changed = view.check_for_drawing_change() 
    70898 File
    70899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70900 packages/chimerax/core/graphics/view.py", line 252, in
    70901 check_for_drawing_change 
    70902 trig.activate_trigger('graphics update', self) 
    70903 File
    70904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70905 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70906 trigger.activate(data) 
    70907 File
    70908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70909 packages/chimerax/core/triggerset.py", line 190, in activate 
    70910 ret = handler.invoke(data, self._remove_bad_handlers) 
    70911 File
    70912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70913 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70914 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70915 File
    70916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70917 packages/chimerax/core/session.py", line 943, in <lambda> 
    70918 logger.report_exception(preface=preface)) 
    70919 File
    70920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70921 packages/chimerax/core/logger.py", line 421, in report_exception 
    70922 elif probably_chimera1_session(exc_info): 
    70923 File
    70924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70925 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70926 etype, evalue, etraceback = exc_info 
    70927 TypeError: cannot unpack non-iterable NoneType object 
    70928  
    70929 TypeError: cannot unpack non-iterable NoneType object 
    70930  
    70931 File
    70932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70933 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70934 etype, evalue, etraceback = exc_info 
    70935  
    70936 See log for complete Python traceback. 
    70937  
    70938 Traceback (most recent call last): 
    70939 File
    70940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70941 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70942 return self._func(self._name, data) 
    70943 File
    70944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70945 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70946 if v.display: 
    70947 File
    70948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70949 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70950 return self._any_displayed_positions and len(self._positions) > 0 
    70951 TypeError: object of type 'NoneType' has no len() 
    70952  
    70953 During handling of the above exception, another exception occurred: 
    70954  
    70955 Traceback (most recent call last): 
    70956 File
    70957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70958 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70959 if not self.draw_new_frame(): 
    70960 File
    70961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70962 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70963 changed = view.check_for_drawing_change() 
    70964 File
    70965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70966 packages/chimerax/core/graphics/view.py", line 252, in
    70967 check_for_drawing_change 
    70968 trig.activate_trigger('graphics update', self) 
    70969 File
    70970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70971 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70972 trigger.activate(data) 
    70973 File
    70974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70975 packages/chimerax/core/triggerset.py", line 190, in activate 
    70976 ret = handler.invoke(data, self._remove_bad_handlers) 
    70977 File
    70978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70979 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70980 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70981 File
    70982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70983 packages/chimerax/core/session.py", line 943, in <lambda> 
    70984 logger.report_exception(preface=preface)) 
    70985 File
    70986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70987 packages/chimerax/core/logger.py", line 421, in report_exception 
    70988 elif probably_chimera1_session(exc_info): 
    70989 File
    70990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70991 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70992 etype, evalue, etraceback = exc_info 
    70993 TypeError: cannot unpack non-iterable NoneType object 
    70994  
    70995 TypeError: cannot unpack non-iterable NoneType object 
    70996  
    70997 File
    70998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70999 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71000 etype, evalue, etraceback = exc_info 
    71001  
    71002 See log for complete Python traceback. 
    71003  
    71004 Traceback (most recent call last): 
    71005 File
    71006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71007 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71008 return self._func(self._name, data) 
    71009 File
    71010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71011 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71012 if v.display: 
    71013 File
    71014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71015 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71016 return self._any_displayed_positions and len(self._positions) > 0 
    71017 TypeError: object of type 'NoneType' has no len() 
    71018  
    71019 During handling of the above exception, another exception occurred: 
    71020  
    71021 Traceback (most recent call last): 
    71022 File
    71023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71024 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71025 if not self.draw_new_frame(): 
    71026 File
    71027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71028 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71029 changed = view.check_for_drawing_change() 
    71030 File
    71031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71032 packages/chimerax/core/graphics/view.py", line 252, in
    71033 check_for_drawing_change 
    71034 trig.activate_trigger('graphics update', self) 
    71035 File
    71036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71037 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71038 trigger.activate(data) 
    71039 File
    71040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71041 packages/chimerax/core/triggerset.py", line 190, in activate 
    71042 ret = handler.invoke(data, self._remove_bad_handlers) 
    71043 File
    71044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71045 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71046 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71047 File
    71048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71049 packages/chimerax/core/session.py", line 943, in <lambda> 
    71050 logger.report_exception(preface=preface)) 
    71051 File
    71052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71053 packages/chimerax/core/logger.py", line 421, in report_exception 
    71054 elif probably_chimera1_session(exc_info): 
    71055 File
    71056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71057 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71058 etype, evalue, etraceback = exc_info 
    71059 TypeError: cannot unpack non-iterable NoneType object 
    71060  
    71061 TypeError: cannot unpack non-iterable NoneType object 
    71062  
    71063 File
    71064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71065 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71066 etype, evalue, etraceback = exc_info 
    71067  
    71068 See log for complete Python traceback. 
    71069  
    71070 Traceback (most recent call last): 
    71071 File
    71072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71073 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71074 return self._func(self._name, data) 
    71075 File
    71076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71077 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71078 if v.display: 
    71079 File
    71080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71081 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71082 return self._any_displayed_positions and len(self._positions) > 0 
    71083 TypeError: object of type 'NoneType' has no len() 
    71084  
    71085 During handling of the above exception, another exception occurred: 
    71086  
    71087 Traceback (most recent call last): 
    71088 File
    71089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71090 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71091 if not self.draw_new_frame(): 
    71092 File
    71093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71094 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71095 changed = view.check_for_drawing_change() 
    71096 File
    71097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71098 packages/chimerax/core/graphics/view.py", line 252, in
    71099 check_for_drawing_change 
    71100 trig.activate_trigger('graphics update', self) 
    71101 File
    71102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71103 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71104 trigger.activate(data) 
    71105 File
    71106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71107 packages/chimerax/core/triggerset.py", line 190, in activate 
    71108 ret = handler.invoke(data, self._remove_bad_handlers) 
    71109 File
    71110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71111 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71112 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71113 File
    71114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71115 packages/chimerax/core/session.py", line 943, in <lambda> 
    71116 logger.report_exception(preface=preface)) 
    71117 File
    71118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71119 packages/chimerax/core/logger.py", line 421, in report_exception 
    71120 elif probably_chimera1_session(exc_info): 
    71121 File
    71122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71123 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71124 etype, evalue, etraceback = exc_info 
    71125 TypeError: cannot unpack non-iterable NoneType object 
    71126  
    71127 TypeError: cannot unpack non-iterable NoneType object 
    71128  
    71129 File
    71130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71131 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71132 etype, evalue, etraceback = exc_info 
    71133  
    71134 See log for complete Python traceback. 
    71135  
    71136 Traceback (most recent call last): 
    71137 File
    71138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71139 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71140 return self._func(self._name, data) 
    71141 File
    71142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71143 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71144 if v.display: 
    71145 File
    71146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71147 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71148 return self._any_displayed_positions and len(self._positions) > 0 
    71149 TypeError: object of type 'NoneType' has no len() 
    71150  
    71151 During handling of the above exception, another exception occurred: 
    71152  
    71153 Traceback (most recent call last): 
    71154 File
    71155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71156 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71157 if not self.draw_new_frame(): 
    71158 File
    71159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71160 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71161 changed = view.check_for_drawing_change() 
    71162 File
    71163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71164 packages/chimerax/core/graphics/view.py", line 252, in
    71165 check_for_drawing_change 
    71166 trig.activate_trigger('graphics update', self) 
    71167 File
    71168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71169 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71170 trigger.activate(data) 
    71171 File
    71172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71173 packages/chimerax/core/triggerset.py", line 190, in activate 
    71174 ret = handler.invoke(data, self._remove_bad_handlers) 
    71175 File
    71176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71177 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71178 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71179 File
    71180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71181 packages/chimerax/core/session.py", line 943, in <lambda> 
    71182 logger.report_exception(preface=preface)) 
    71183 File
    71184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71185 packages/chimerax/core/logger.py", line 421, in report_exception 
    71186 elif probably_chimera1_session(exc_info): 
    71187 File
    71188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71189 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71190 etype, evalue, etraceback = exc_info 
    71191 TypeError: cannot unpack non-iterable NoneType object 
    71192  
    71193 TypeError: cannot unpack non-iterable NoneType object 
    71194  
    71195 File
    71196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71197 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71198 etype, evalue, etraceback = exc_info 
    71199  
    71200 See log for complete Python traceback. 
    71201  
    71202 Traceback (most recent call last): 
    71203 File
    71204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71205 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71206 return self._func(self._name, data) 
    71207 File
    71208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71209 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71210 if v.display: 
    71211 File
    71212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71213 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71214 return self._any_displayed_positions and len(self._positions) > 0 
    71215 TypeError: object of type 'NoneType' has no len() 
    71216  
    71217 During handling of the above exception, another exception occurred: 
    71218  
    71219 Traceback (most recent call last): 
    71220 File
    71221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71222 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71223 if not self.draw_new_frame(): 
    71224 File
    71225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71226 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71227 changed = view.check_for_drawing_change() 
    71228 File
    71229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71230 packages/chimerax/core/graphics/view.py", line 252, in
    71231 check_for_drawing_change 
    71232 trig.activate_trigger('graphics update', self) 
    71233 File
    71234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71235 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71236 trigger.activate(data) 
    71237 File
    71238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71239 packages/chimerax/core/triggerset.py", line 190, in activate 
    71240 ret = handler.invoke(data, self._remove_bad_handlers) 
    71241 File
    71242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71243 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71244 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71245 File
    71246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71247 packages/chimerax/core/session.py", line 943, in <lambda> 
    71248 logger.report_exception(preface=preface)) 
    71249 File
    71250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71251 packages/chimerax/core/logger.py", line 421, in report_exception 
    71252 elif probably_chimera1_session(exc_info): 
    71253 File
    71254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71255 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71256 etype, evalue, etraceback = exc_info 
    71257 TypeError: cannot unpack non-iterable NoneType object 
    71258  
    71259 TypeError: cannot unpack non-iterable NoneType object 
    71260  
    71261 File
    71262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71263 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71264 etype, evalue, etraceback = exc_info 
    71265  
    71266 See log for complete Python traceback. 
    71267  
    71268 Traceback (most recent call last): 
    71269 File
    71270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71271 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71272 return self._func(self._name, data) 
    71273 File
    71274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71275 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71276 if v.display: 
    71277 File
    71278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71279 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71280 return self._any_displayed_positions and len(self._positions) > 0 
    71281 TypeError: object of type 'NoneType' has no len() 
    71282  
    71283 During handling of the above exception, another exception occurred: 
    71284  
    71285 Traceback (most recent call last): 
    71286 File
    71287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71288 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71289 if not self.draw_new_frame(): 
    71290 File
    71291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71292 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71293 changed = view.check_for_drawing_change() 
    71294 File
    71295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71296 packages/chimerax/core/graphics/view.py", line 252, in
    71297 check_for_drawing_change 
    71298 trig.activate_trigger('graphics update', self) 
    71299 File
    71300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71301 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71302 trigger.activate(data) 
    71303 File
    71304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71305 packages/chimerax/core/triggerset.py", line 190, in activate 
    71306 ret = handler.invoke(data, self._remove_bad_handlers) 
    71307 File
    71308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71309 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71310 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71311 File
    71312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71313 packages/chimerax/core/session.py", line 943, in <lambda> 
    71314 logger.report_exception(preface=preface)) 
    71315 File
    71316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71317 packages/chimerax/core/logger.py", line 421, in report_exception 
    71318 elif probably_chimera1_session(exc_info): 
    71319 File
    71320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71321 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71322 etype, evalue, etraceback = exc_info 
    71323 TypeError: cannot unpack non-iterable NoneType object 
    71324  
    71325 TypeError: cannot unpack non-iterable NoneType object 
    71326  
    71327 File
    71328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71329 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71330 etype, evalue, etraceback = exc_info 
    71331  
    71332 See log for complete Python traceback. 
    71333  
    71334 Traceback (most recent call last): 
    71335 File
    71336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71337 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71338 return self._func(self._name, data) 
    71339 File
    71340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71341 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71342 if v.display: 
    71343 File
    71344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71345 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71346 return self._any_displayed_positions and len(self._positions) > 0 
    71347 TypeError: object of type 'NoneType' has no len() 
    71348  
    71349 During handling of the above exception, another exception occurred: 
    71350  
    71351 Traceback (most recent call last): 
    71352 File
    71353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71354 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71355 if not self.draw_new_frame(): 
    71356 File
    71357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71358 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71359 changed = view.check_for_drawing_change() 
    71360 File
    71361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71362 packages/chimerax/core/graphics/view.py", line 252, in
    71363 check_for_drawing_change 
    71364 trig.activate_trigger('graphics update', self) 
    71365 File
    71366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71367 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71368 trigger.activate(data) 
    71369 File
    71370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71371 packages/chimerax/core/triggerset.py", line 190, in activate 
    71372 ret = handler.invoke(data, self._remove_bad_handlers) 
    71373 File
    71374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71375 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71376 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71377 File
    71378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71379 packages/chimerax/core/session.py", line 943, in <lambda> 
    71380 logger.report_exception(preface=preface)) 
    71381 File
    71382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71383 packages/chimerax/core/logger.py", line 421, in report_exception 
    71384 elif probably_chimera1_session(exc_info): 
    71385 File
    71386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71387 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71388 etype, evalue, etraceback = exc_info 
    71389 TypeError: cannot unpack non-iterable NoneType object 
    71390  
    71391 TypeError: cannot unpack non-iterable NoneType object 
    71392  
    71393 File
    71394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71395 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71396 etype, evalue, etraceback = exc_info 
    71397  
    71398 See log for complete Python traceback. 
    71399  
    71400 Traceback (most recent call last): 
    71401 File
    71402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71403 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71404 return self._func(self._name, data) 
    71405 File
    71406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71407 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71408 if v.display: 
    71409 File
    71410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71411 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71412 return self._any_displayed_positions and len(self._positions) > 0 
    71413 TypeError: object of type 'NoneType' has no len() 
    71414  
    71415 During handling of the above exception, another exception occurred: 
    71416  
    71417 Traceback (most recent call last): 
    71418 File
    71419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71420 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71421 if not self.draw_new_frame(): 
    71422 File
    71423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71424 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71425 changed = view.check_for_drawing_change() 
    71426 File
    71427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71428 packages/chimerax/core/graphics/view.py", line 252, in
    71429 check_for_drawing_change 
    71430 trig.activate_trigger('graphics update', self) 
    71431 File
    71432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71433 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71434 trigger.activate(data) 
    71435 File
    71436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71437 packages/chimerax/core/triggerset.py", line 190, in activate 
    71438 ret = handler.invoke(data, self._remove_bad_handlers) 
    71439 File
    71440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71441 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71442 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71443 File
    71444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71445 packages/chimerax/core/session.py", line 943, in <lambda> 
    71446 logger.report_exception(preface=preface)) 
    71447 File
    71448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71449 packages/chimerax/core/logger.py", line 421, in report_exception 
    71450 elif probably_chimera1_session(exc_info): 
    71451 File
    71452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71453 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71454 etype, evalue, etraceback = exc_info 
    71455 TypeError: cannot unpack non-iterable NoneType object 
    71456  
    71457 TypeError: cannot unpack non-iterable NoneType object 
    71458  
    71459 File
    71460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71461 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71462 etype, evalue, etraceback = exc_info 
    71463  
    71464 See log for complete Python traceback. 
    71465  
    71466 Traceback (most recent call last): 
    71467 File
    71468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71469 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71470 return self._func(self._name, data) 
    71471 File
    71472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71473 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71474 if v.display: 
    71475 File
    71476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71477 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71478 return self._any_displayed_positions and len(self._positions) > 0 
    71479 TypeError: object of type 'NoneType' has no len() 
    71480  
    71481 During handling of the above exception, another exception occurred: 
    71482  
    71483 Traceback (most recent call last): 
    71484 File
    71485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71486 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71487 if not self.draw_new_frame(): 
    71488 File
    71489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71490 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71491 changed = view.check_for_drawing_change() 
    71492 File
    71493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71494 packages/chimerax/core/graphics/view.py", line 252, in
    71495 check_for_drawing_change 
    71496 trig.activate_trigger('graphics update', self) 
    71497 File
    71498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71499 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71500 trigger.activate(data) 
    71501 File
    71502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71503 packages/chimerax/core/triggerset.py", line 190, in activate 
    71504 ret = handler.invoke(data, self._remove_bad_handlers) 
    71505 File
    71506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71507 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71508 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71509 File
    71510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71511 packages/chimerax/core/session.py", line 943, in <lambda> 
    71512 logger.report_exception(preface=preface)) 
    71513 File
    71514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71515 packages/chimerax/core/logger.py", line 421, in report_exception 
    71516 elif probably_chimera1_session(exc_info): 
    71517 File
    71518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71519 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71520 etype, evalue, etraceback = exc_info 
    71521 TypeError: cannot unpack non-iterable NoneType object 
    71522  
    71523 TypeError: cannot unpack non-iterable NoneType object 
    71524  
    71525 File
    71526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71527 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71528 etype, evalue, etraceback = exc_info 
    71529  
    71530 See log for complete Python traceback. 
    71531  
    71532 Traceback (most recent call last): 
    71533 File
    71534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71535 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71536 return self._func(self._name, data) 
    71537 File
    71538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71539 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71540 if v.display: 
    71541 File
    71542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71543 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71544 return self._any_displayed_positions and len(self._positions) > 0 
    71545 TypeError: object of type 'NoneType' has no len() 
    71546  
    71547 During handling of the above exception, another exception occurred: 
    71548  
    71549 Traceback (most recent call last): 
    71550 File
    71551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71552 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71553 if not self.draw_new_frame(): 
    71554 File
    71555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71556 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71557 changed = view.check_for_drawing_change() 
    71558 File
    71559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71560 packages/chimerax/core/graphics/view.py", line 252, in
    71561 check_for_drawing_change 
    71562 trig.activate_trigger('graphics update', self) 
    71563 File
    71564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71565 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71566 trigger.activate(data) 
    71567 File
    71568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71569 packages/chimerax/core/triggerset.py", line 190, in activate 
    71570 ret = handler.invoke(data, self._remove_bad_handlers) 
    71571 File
    71572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71573 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71574 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71575 File
    71576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71577 packages/chimerax/core/session.py", line 943, in <lambda> 
    71578 logger.report_exception(preface=preface)) 
    71579 File
    71580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71581 packages/chimerax/core/logger.py", line 421, in report_exception 
    71582 elif probably_chimera1_session(exc_info): 
    71583 File
    71584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71585 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71586 etype, evalue, etraceback = exc_info 
    71587 TypeError: cannot unpack non-iterable NoneType object 
    71588  
    71589 TypeError: cannot unpack non-iterable NoneType object 
    71590  
    71591 File
    71592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71593 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71594 etype, evalue, etraceback = exc_info 
    71595  
    71596 See log for complete Python traceback. 
    71597  
    71598 Traceback (most recent call last): 
    71599 File
    71600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71601 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71602 return self._func(self._name, data) 
    71603 File
    71604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71605 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71606 if v.display: 
    71607 File
    71608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71609 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71610 return self._any_displayed_positions and len(self._positions) > 0 
    71611 TypeError: object of type 'NoneType' has no len() 
    71612  
    71613 During handling of the above exception, another exception occurred: 
    71614  
    71615 Traceback (most recent call last): 
    71616 File
    71617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71618 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71619 if not self.draw_new_frame(): 
    71620 File
    71621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71622 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71623 changed = view.check_for_drawing_change() 
    71624 File
    71625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71626 packages/chimerax/core/graphics/view.py", line 252, in
    71627 check_for_drawing_change 
    71628 trig.activate_trigger('graphics update', self) 
    71629 File
    71630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71631 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71632 trigger.activate(data) 
    71633 File
    71634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71635 packages/chimerax/core/triggerset.py", line 190, in activate 
    71636 ret = handler.invoke(data, self._remove_bad_handlers) 
    71637 File
    71638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71639 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71640 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71641 File
    71642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71643 packages/chimerax/core/session.py", line 943, in <lambda> 
    71644 logger.report_exception(preface=preface)) 
    71645 File
    71646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71647 packages/chimerax/core/logger.py", line 421, in report_exception 
    71648 elif probably_chimera1_session(exc_info): 
    71649 File
    71650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71651 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71652 etype, evalue, etraceback = exc_info 
    71653 TypeError: cannot unpack non-iterable NoneType object 
    71654  
    71655 TypeError: cannot unpack non-iterable NoneType object 
    71656  
    71657 File
    71658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71659 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71660 etype, evalue, etraceback = exc_info 
    71661  
    71662 See log for complete Python traceback. 
    71663  
    71664 Traceback (most recent call last): 
    71665 File
    71666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71667 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71668 return self._func(self._name, data) 
    71669 File
    71670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71671 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71672 if v.display: 
    71673 File
    71674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71675 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71676 return self._any_displayed_positions and len(self._positions) > 0 
    71677 TypeError: object of type 'NoneType' has no len() 
    71678  
    71679 During handling of the above exception, another exception occurred: 
    71680  
    71681 Traceback (most recent call last): 
    71682 File
    71683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71684 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71685 if not self.draw_new_frame(): 
    71686 File
    71687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71688 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71689 changed = view.check_for_drawing_change() 
    71690 File
    71691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71692 packages/chimerax/core/graphics/view.py", line 252, in
    71693 check_for_drawing_change 
    71694 trig.activate_trigger('graphics update', self) 
    71695 File
    71696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71697 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71698 trigger.activate(data) 
    71699 File
    71700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71701 packages/chimerax/core/triggerset.py", line 190, in activate 
    71702 ret = handler.invoke(data, self._remove_bad_handlers) 
    71703 File
    71704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71705 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71706 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71707 File
    71708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71709 packages/chimerax/core/session.py", line 943, in <lambda> 
    71710 logger.report_exception(preface=preface)) 
    71711 File
    71712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71713 packages/chimerax/core/logger.py", line 421, in report_exception 
    71714 elif probably_chimera1_session(exc_info): 
    71715 File
    71716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71717 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71718 etype, evalue, etraceback = exc_info 
    71719 TypeError: cannot unpack non-iterable NoneType object 
    71720  
    71721 TypeError: cannot unpack non-iterable NoneType object 
    71722  
    71723 File
    71724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71725 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71726 etype, evalue, etraceback = exc_info 
    71727  
    71728 See log for complete Python traceback. 
    71729  
    71730 Traceback (most recent call last): 
    71731 File
    71732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71733 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71734 return self._func(self._name, data) 
    71735 File
    71736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71737 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71738 if v.display: 
    71739 File
    71740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71741 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71742 return self._any_displayed_positions and len(self._positions) > 0 
    71743 TypeError: object of type 'NoneType' has no len() 
    71744  
    71745 During handling of the above exception, another exception occurred: 
    71746  
    71747 Traceback (most recent call last): 
    71748 File
    71749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71750 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71751 if not self.draw_new_frame(): 
    71752 File
    71753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71754 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71755 changed = view.check_for_drawing_change() 
    71756 File
    71757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71758 packages/chimerax/core/graphics/view.py", line 252, in
    71759 check_for_drawing_change 
    71760 trig.activate_trigger('graphics update', self) 
    71761 File
    71762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71763 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71764 trigger.activate(data) 
    71765 File
    71766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71767 packages/chimerax/core/triggerset.py", line 190, in activate 
    71768 ret = handler.invoke(data, self._remove_bad_handlers) 
    71769 File
    71770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71771 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71772 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71773 File
    71774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71775 packages/chimerax/core/session.py", line 943, in <lambda> 
    71776 logger.report_exception(preface=preface)) 
    71777 File
    71778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71779 packages/chimerax/core/logger.py", line 421, in report_exception 
    71780 elif probably_chimera1_session(exc_info): 
    71781 File
    71782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71783 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71784 etype, evalue, etraceback = exc_info 
    71785 TypeError: cannot unpack non-iterable NoneType object 
    71786  
    71787 TypeError: cannot unpack non-iterable NoneType object 
    71788  
    71789 File
    71790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71791 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71792 etype, evalue, etraceback = exc_info 
    71793  
    71794 See log for complete Python traceback. 
    71795  
    71796 Traceback (most recent call last): 
    71797 File
    71798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71799 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71800 return self._func(self._name, data) 
    71801 File
    71802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71803 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71804 if v.display: 
    71805 File
    71806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71807 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71808 return self._any_displayed_positions and len(self._positions) > 0 
    71809 TypeError: object of type 'NoneType' has no len() 
    71810  
    71811 During handling of the above exception, another exception occurred: 
    71812  
    71813 Traceback (most recent call last): 
    71814 File
    71815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71816 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71817 if not self.draw_new_frame(): 
    71818 File
    71819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71820 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71821 changed = view.check_for_drawing_change() 
    71822 File
    71823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71824 packages/chimerax/core/graphics/view.py", line 252, in
    71825 check_for_drawing_change 
    71826 trig.activate_trigger('graphics update', self) 
    71827 File
    71828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71829 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71830 trigger.activate(data) 
    71831 File
    71832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71833 packages/chimerax/core/triggerset.py", line 190, in activate 
    71834 ret = handler.invoke(data, self._remove_bad_handlers) 
    71835 File
    71836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71837 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71838 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71839 File
    71840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71841 packages/chimerax/core/session.py", line 943, in <lambda> 
    71842 logger.report_exception(preface=preface)) 
    71843 File
    71844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71845 packages/chimerax/core/logger.py", line 421, in report_exception 
    71846 elif probably_chimera1_session(exc_info): 
    71847 File
    71848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71849 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71850 etype, evalue, etraceback = exc_info 
    71851 TypeError: cannot unpack non-iterable NoneType object 
    71852  
    71853 TypeError: cannot unpack non-iterable NoneType object 
    71854  
    71855 File
    71856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71857 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71858 etype, evalue, etraceback = exc_info 
    71859  
    71860 See log for complete Python traceback. 
    71861  
    71862 Traceback (most recent call last): 
    71863 File
    71864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71865 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71866 return self._func(self._name, data) 
    71867 File
    71868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71869 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71870 if v.display: 
    71871 File
    71872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71873 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71874 return self._any_displayed_positions and len(self._positions) > 0 
    71875 TypeError: object of type 'NoneType' has no len() 
    71876  
    71877 During handling of the above exception, another exception occurred: 
    71878  
    71879 Traceback (most recent call last): 
    71880 File
    71881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71882 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71883 if not self.draw_new_frame(): 
    71884 File
    71885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71886 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71887 changed = view.check_for_drawing_change() 
    71888 File
    71889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71890 packages/chimerax/core/graphics/view.py", line 252, in
    71891 check_for_drawing_change 
    71892 trig.activate_trigger('graphics update', self) 
    71893 File
    71894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71895 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71896 trigger.activate(data) 
    71897 File
    71898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71899 packages/chimerax/core/triggerset.py", line 190, in activate 
    71900 ret = handler.invoke(data, self._remove_bad_handlers) 
    71901 File
    71902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71903 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71904 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71905 File
    71906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71907 packages/chimerax/core/session.py", line 943, in <lambda> 
    71908 logger.report_exception(preface=preface)) 
    71909 File
    71910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71911 packages/chimerax/core/logger.py", line 421, in report_exception 
    71912 elif probably_chimera1_session(exc_info): 
    71913 File
    71914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71915 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71916 etype, evalue, etraceback = exc_info 
    71917 TypeError: cannot unpack non-iterable NoneType object 
    71918  
    71919 TypeError: cannot unpack non-iterable NoneType object 
    71920  
    71921 File
    71922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71923 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71924 etype, evalue, etraceback = exc_info 
    71925  
    71926 See log for complete Python traceback. 
    71927  
    71928 Traceback (most recent call last): 
    71929 File
    71930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71931 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71932 return self._func(self._name, data) 
    71933 File
    71934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71935 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71936 if v.display: 
    71937 File
    71938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71939 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71940 return self._any_displayed_positions and len(self._positions) > 0 
    71941 TypeError: object of type 'NoneType' has no len() 
    71942  
    71943 During handling of the above exception, another exception occurred: 
    71944  
    71945 Traceback (most recent call last): 
    71946 File
    71947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71948 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71949 if not self.draw_new_frame(): 
    71950 File
    71951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71952 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71953 changed = view.check_for_drawing_change() 
    71954 File
    71955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71956 packages/chimerax/core/graphics/view.py", line 252, in
    71957 check_for_drawing_change 
    71958 trig.activate_trigger('graphics update', self) 
    71959 File
    71960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71961 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71962 trigger.activate(data) 
    71963 File
    71964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71965 packages/chimerax/core/triggerset.py", line 190, in activate 
    71966 ret = handler.invoke(data, self._remove_bad_handlers) 
    71967 File
    71968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71969 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71970 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71971 File
    71972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71973 packages/chimerax/core/session.py", line 943, in <lambda> 
    71974 logger.report_exception(preface=preface)) 
    71975 File
    71976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71977 packages/chimerax/core/logger.py", line 421, in report_exception 
    71978 elif probably_chimera1_session(exc_info): 
    71979 File
    71980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71981 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71982 etype, evalue, etraceback = exc_info 
    71983 TypeError: cannot unpack non-iterable NoneType object 
    71984  
    71985 TypeError: cannot unpack non-iterable NoneType object 
    71986  
    71987 File
    71988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71989 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71990 etype, evalue, etraceback = exc_info 
    71991  
    71992 See log for complete Python traceback. 
    71993  
    71994 Traceback (most recent call last): 
    71995 File
    71996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71997 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71998 return self._func(self._name, data) 
    71999 File
    72000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72001 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72002 if v.display: 
    72003 File
    72004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72005 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72006 return self._any_displayed_positions and len(self._positions) > 0 
    72007 TypeError: object of type 'NoneType' has no len() 
    72008  
    72009 During handling of the above exception, another exception occurred: 
    72010  
    72011 Traceback (most recent call last): 
    72012 File
    72013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72014 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72015 if not self.draw_new_frame(): 
    72016 File
    72017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72018 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72019 changed = view.check_for_drawing_change() 
    72020 File
    72021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72022 packages/chimerax/core/graphics/view.py", line 252, in
    72023 check_for_drawing_change 
    72024 trig.activate_trigger('graphics update', self) 
    72025 File
    72026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72027 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72028 trigger.activate(data) 
    72029 File
    72030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72031 packages/chimerax/core/triggerset.py", line 190, in activate 
    72032 ret = handler.invoke(data, self._remove_bad_handlers) 
    72033 File
    72034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72035 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72036 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72037 File
    72038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72039 packages/chimerax/core/session.py", line 943, in <lambda> 
    72040 logger.report_exception(preface=preface)) 
    72041 File
    72042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72043 packages/chimerax/core/logger.py", line 421, in report_exception 
    72044 elif probably_chimera1_session(exc_info): 
    72045 File
    72046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72047 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72048 etype, evalue, etraceback = exc_info 
    72049 TypeError: cannot unpack non-iterable NoneType object 
    72050  
    72051 TypeError: cannot unpack non-iterable NoneType object 
    72052  
    72053 File
    72054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72055 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72056 etype, evalue, etraceback = exc_info 
    72057  
    72058 See log for complete Python traceback. 
    72059  
    72060 Traceback (most recent call last): 
    72061 File
    72062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72063 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72064 return self._func(self._name, data) 
    72065 File
    72066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72067 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72068 if v.display: 
    72069 File
    72070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72071 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72072 return self._any_displayed_positions and len(self._positions) > 0 
    72073 TypeError: object of type 'NoneType' has no len() 
    72074  
    72075 During handling of the above exception, another exception occurred: 
    72076  
    72077 Traceback (most recent call last): 
    72078 File
    72079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72080 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72081 if not self.draw_new_frame(): 
    72082 File
    72083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72084 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72085 changed = view.check_for_drawing_change() 
    72086 File
    72087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72088 packages/chimerax/core/graphics/view.py", line 252, in
    72089 check_for_drawing_change 
    72090 trig.activate_trigger('graphics update', self) 
    72091 File
    72092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72093 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72094 trigger.activate(data) 
    72095 File
    72096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72097 packages/chimerax/core/triggerset.py", line 190, in activate 
    72098 ret = handler.invoke(data, self._remove_bad_handlers) 
    72099 File
    72100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72101 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72102 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72103 File
    72104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72105 packages/chimerax/core/session.py", line 943, in <lambda> 
    72106 logger.report_exception(preface=preface)) 
    72107 File
    72108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72109 packages/chimerax/core/logger.py", line 421, in report_exception 
    72110 elif probably_chimera1_session(exc_info): 
    72111 File
    72112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72113 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72114 etype, evalue, etraceback = exc_info 
    72115 TypeError: cannot unpack non-iterable NoneType object 
    72116  
    72117 TypeError: cannot unpack non-iterable NoneType object 
    72118  
    72119 File
    72120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72121 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72122 etype, evalue, etraceback = exc_info 
    72123  
    72124 See log for complete Python traceback. 
    72125  
    72126 Traceback (most recent call last): 
    72127 File
    72128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72129 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72130 return self._func(self._name, data) 
    72131 File
    72132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72133 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72134 if v.display: 
    72135 File
    72136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72137 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72138 return self._any_displayed_positions and len(self._positions) > 0 
    72139 TypeError: object of type 'NoneType' has no len() 
    72140  
    72141 During handling of the above exception, another exception occurred: 
    72142  
    72143 Traceback (most recent call last): 
    72144 File
    72145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72146 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72147 if not self.draw_new_frame(): 
    72148 File
    72149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72150 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72151 changed = view.check_for_drawing_change() 
    72152 File
    72153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72154 packages/chimerax/core/graphics/view.py", line 252, in
    72155 check_for_drawing_change 
    72156 trig.activate_trigger('graphics update', self) 
    72157 File
    72158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72159 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72160 trigger.activate(data) 
    72161 File
    72162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72163 packages/chimerax/core/triggerset.py", line 190, in activate 
    72164 ret = handler.invoke(data, self._remove_bad_handlers) 
    72165 File
    72166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72167 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72168 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72169 File
    72170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72171 packages/chimerax/core/session.py", line 943, in <lambda> 
    72172 logger.report_exception(preface=preface)) 
    72173 File
    72174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72175 packages/chimerax/core/logger.py", line 421, in report_exception 
    72176 elif probably_chimera1_session(exc_info): 
    72177 File
    72178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72179 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72180 etype, evalue, etraceback = exc_info 
    72181 TypeError: cannot unpack non-iterable NoneType object 
    72182  
    72183 TypeError: cannot unpack non-iterable NoneType object 
    72184  
    72185 File
    72186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72187 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72188 etype, evalue, etraceback = exc_info 
    72189  
    72190 See log for complete Python traceback. 
    72191  
    72192 Traceback (most recent call last): 
    72193 File
    72194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72195 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72196 return self._func(self._name, data) 
    72197 File
    72198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72199 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72200 if v.display: 
    72201 File
    72202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72203 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72204 return self._any_displayed_positions and len(self._positions) > 0 
    72205 TypeError: object of type 'NoneType' has no len() 
    72206  
    72207 During handling of the above exception, another exception occurred: 
    72208  
    72209 Traceback (most recent call last): 
    72210 File
    72211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72212 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72213 if not self.draw_new_frame(): 
    72214 File
    72215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72216 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72217 changed = view.check_for_drawing_change() 
    72218 File
    72219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72220 packages/chimerax/core/graphics/view.py", line 252, in
    72221 check_for_drawing_change 
    72222 trig.activate_trigger('graphics update', self) 
    72223 File
    72224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72225 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72226 trigger.activate(data) 
    72227 File
    72228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72229 packages/chimerax/core/triggerset.py", line 190, in activate 
    72230 ret = handler.invoke(data, self._remove_bad_handlers) 
    72231 File
    72232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72233 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72234 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72235 File
    72236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72237 packages/chimerax/core/session.py", line 943, in <lambda> 
    72238 logger.report_exception(preface=preface)) 
    72239 File
    72240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72241 packages/chimerax/core/logger.py", line 421, in report_exception 
    72242 elif probably_chimera1_session(exc_info): 
    72243 File
    72244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72245 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72246 etype, evalue, etraceback = exc_info 
    72247 TypeError: cannot unpack non-iterable NoneType object 
    72248  
    72249 TypeError: cannot unpack non-iterable NoneType object 
    72250  
    72251 File
    72252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72253 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72254 etype, evalue, etraceback = exc_info 
    72255  
    72256 See log for complete Python traceback. 
    72257  
    72258 Traceback (most recent call last): 
    72259 File
    72260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72261 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72262 return self._func(self._name, data) 
    72263 File
    72264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72265 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72266 if v.display: 
    72267 File
    72268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72269 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72270 return self._any_displayed_positions and len(self._positions) > 0 
    72271 TypeError: object of type 'NoneType' has no len() 
    72272  
    72273 During handling of the above exception, another exception occurred: 
    72274  
    72275 Traceback (most recent call last): 
    72276 File
    72277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72278 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72279 if not self.draw_new_frame(): 
    72280 File
    72281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72282 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72283 changed = view.check_for_drawing_change() 
    72284 File
    72285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72286 packages/chimerax/core/graphics/view.py", line 252, in
    72287 check_for_drawing_change 
    72288 trig.activate_trigger('graphics update', self) 
    72289 File
    72290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72291 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72292 trigger.activate(data) 
    72293 File
    72294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72295 packages/chimerax/core/triggerset.py", line 190, in activate 
    72296 ret = handler.invoke(data, self._remove_bad_handlers) 
    72297 File
    72298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72299 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72300 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72301 File
    72302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72303 packages/chimerax/core/session.py", line 943, in <lambda> 
    72304 logger.report_exception(preface=preface)) 
    72305 File
    72306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72307 packages/chimerax/core/logger.py", line 421, in report_exception 
    72308 elif probably_chimera1_session(exc_info): 
    72309 File
    72310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72311 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72312 etype, evalue, etraceback = exc_info 
    72313 TypeError: cannot unpack non-iterable NoneType object 
    72314  
    72315 TypeError: cannot unpack non-iterable NoneType object 
    72316  
    72317 File
    72318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72319 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72320 etype, evalue, etraceback = exc_info 
    72321  
    72322 See log for complete Python traceback. 
    72323  
    72324 Traceback (most recent call last): 
    72325 File
    72326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72327 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72328 return self._func(self._name, data) 
    72329 File
    72330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72331 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72332 if v.display: 
    72333 File
    72334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72335 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72336 return self._any_displayed_positions and len(self._positions) > 0 
    72337 TypeError: object of type 'NoneType' has no len() 
    72338  
    72339 During handling of the above exception, another exception occurred: 
    72340  
    72341 Traceback (most recent call last): 
    72342 File
    72343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72344 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72345 if not self.draw_new_frame(): 
    72346 File
    72347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72348 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72349 changed = view.check_for_drawing_change() 
    72350 File
    72351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72352 packages/chimerax/core/graphics/view.py", line 252, in
    72353 check_for_drawing_change 
    72354 trig.activate_trigger('graphics update', self) 
    72355 File
    72356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72357 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72358 trigger.activate(data) 
    72359 File
    72360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72361 packages/chimerax/core/triggerset.py", line 190, in activate 
    72362 ret = handler.invoke(data, self._remove_bad_handlers) 
    72363 File
    72364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72365 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72366 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72367 File
    72368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72369 packages/chimerax/core/session.py", line 943, in <lambda> 
    72370 logger.report_exception(preface=preface)) 
    72371 File
    72372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72373 packages/chimerax/core/logger.py", line 421, in report_exception 
    72374 elif probably_chimera1_session(exc_info): 
    72375 File
    72376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72377 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72378 etype, evalue, etraceback = exc_info 
    72379 TypeError: cannot unpack non-iterable NoneType object 
    72380  
    72381 TypeError: cannot unpack non-iterable NoneType object 
    72382  
    72383 File
    72384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72385 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72386 etype, evalue, etraceback = exc_info 
    72387  
    72388 See log for complete Python traceback. 
    72389  
    72390 Traceback (most recent call last): 
    72391 File
    72392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72393 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72394 return self._func(self._name, data) 
    72395 File
    72396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72397 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72398 if v.display: 
    72399 File
    72400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72401 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72402 return self._any_displayed_positions and len(self._positions) > 0 
    72403 TypeError: object of type 'NoneType' has no len() 
    72404  
    72405 During handling of the above exception, another exception occurred: 
    72406  
    72407 Traceback (most recent call last): 
    72408 File
    72409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72410 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72411 if not self.draw_new_frame(): 
    72412 File
    72413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72414 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72415 changed = view.check_for_drawing_change() 
    72416 File
    72417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72418 packages/chimerax/core/graphics/view.py", line 252, in
    72419 check_for_drawing_change 
    72420 trig.activate_trigger('graphics update', self) 
    72421 File
    72422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72423 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72424 trigger.activate(data) 
    72425 File
    72426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72427 packages/chimerax/core/triggerset.py", line 190, in activate 
    72428 ret = handler.invoke(data, self._remove_bad_handlers) 
    72429 File
    72430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72431 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72432 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72433 File
    72434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72435 packages/chimerax/core/session.py", line 943, in <lambda> 
    72436 logger.report_exception(preface=preface)) 
    72437 File
    72438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72439 packages/chimerax/core/logger.py", line 421, in report_exception 
    72440 elif probably_chimera1_session(exc_info): 
    72441 File
    72442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72443 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72444 etype, evalue, etraceback = exc_info 
    72445 TypeError: cannot unpack non-iterable NoneType object 
    72446  
    72447 TypeError: cannot unpack non-iterable NoneType object 
    72448  
    72449 File
    72450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72451 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72452 etype, evalue, etraceback = exc_info 
    72453  
    72454 See log for complete Python traceback. 
    72455  
    72456 Traceback (most recent call last): 
    72457 File
    72458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72459 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72460 return self._func(self._name, data) 
    72461 File
    72462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72463 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72464 if v.display: 
    72465 File
    72466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72467 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72468 return self._any_displayed_positions and len(self._positions) > 0 
    72469 TypeError: object of type 'NoneType' has no len() 
    72470  
    72471 During handling of the above exception, another exception occurred: 
    72472  
    72473 Traceback (most recent call last): 
    72474 File
    72475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72476 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72477 if not self.draw_new_frame(): 
    72478 File
    72479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72480 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72481 changed = view.check_for_drawing_change() 
    72482 File
    72483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72484 packages/chimerax/core/graphics/view.py", line 252, in
    72485 check_for_drawing_change 
    72486 trig.activate_trigger('graphics update', self) 
    72487 File
    72488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72489 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72490 trigger.activate(data) 
    72491 File
    72492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72493 packages/chimerax/core/triggerset.py", line 190, in activate 
    72494 ret = handler.invoke(data, self._remove_bad_handlers) 
    72495 File
    72496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72497 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72498 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72499 File
    72500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72501 packages/chimerax/core/session.py", line 943, in <lambda> 
    72502 logger.report_exception(preface=preface)) 
    72503 File
    72504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72505 packages/chimerax/core/logger.py", line 421, in report_exception 
    72506 elif probably_chimera1_session(exc_info): 
    72507 File
    72508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72509 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72510 etype, evalue, etraceback = exc_info 
    72511 TypeError: cannot unpack non-iterable NoneType object 
    72512  
    72513 TypeError: cannot unpack non-iterable NoneType object 
    72514  
    72515 File
    72516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72517 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72518 etype, evalue, etraceback = exc_info 
    72519  
    72520 See log for complete Python traceback. 
    72521  
    72522 Traceback (most recent call last): 
    72523 File
    72524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72525 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72526 return self._func(self._name, data) 
    72527 File
    72528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72529 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72530 if v.display: 
    72531 File
    72532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72533 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72534 return self._any_displayed_positions and len(self._positions) > 0 
    72535 TypeError: object of type 'NoneType' has no len() 
    72536  
    72537 During handling of the above exception, another exception occurred: 
    72538  
    72539 Traceback (most recent call last): 
    72540 File
    72541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72542 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72543 if not self.draw_new_frame(): 
    72544 File
    72545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72546 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72547 changed = view.check_for_drawing_change() 
    72548 File
    72549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72550 packages/chimerax/core/graphics/view.py", line 252, in
    72551 check_for_drawing_change 
    72552 trig.activate_trigger('graphics update', self) 
    72553 File
    72554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72555 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72556 trigger.activate(data) 
    72557 File
    72558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72559 packages/chimerax/core/triggerset.py", line 190, in activate 
    72560 ret = handler.invoke(data, self._remove_bad_handlers) 
    72561 File
    72562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72563 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72564 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72565 File
    72566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72567 packages/chimerax/core/session.py", line 943, in <lambda> 
    72568 logger.report_exception(preface=preface)) 
    72569 File
    72570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72571 packages/chimerax/core/logger.py", line 421, in report_exception 
    72572 elif probably_chimera1_session(exc_info): 
    72573 File
    72574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72575 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72576 etype, evalue, etraceback = exc_info 
    72577 TypeError: cannot unpack non-iterable NoneType object 
    72578  
    72579 TypeError: cannot unpack non-iterable NoneType object 
    72580  
    72581 File
    72582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72583 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72584 etype, evalue, etraceback = exc_info 
    72585  
    72586 See log for complete Python traceback. 
    72587  
    72588 Traceback (most recent call last): 
    72589 File
    72590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72591 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72592 return self._func(self._name, data) 
    72593 File
    72594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72595 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72596 if v.display: 
    72597 File
    72598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72599 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72600 return self._any_displayed_positions and len(self._positions) > 0 
    72601 TypeError: object of type 'NoneType' has no len() 
    72602  
    72603 During handling of the above exception, another exception occurred: 
    72604  
    72605 Traceback (most recent call last): 
    72606 File
    72607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72608 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72609 if not self.draw_new_frame(): 
    72610 File
    72611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72612 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72613 changed = view.check_for_drawing_change() 
    72614 File
    72615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72616 packages/chimerax/core/graphics/view.py", line 252, in
    72617 check_for_drawing_change 
    72618 trig.activate_trigger('graphics update', self) 
    72619 File
    72620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72621 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72622 trigger.activate(data) 
    72623 File
    72624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72625 packages/chimerax/core/triggerset.py", line 190, in activate 
    72626 ret = handler.invoke(data, self._remove_bad_handlers) 
    72627 File
    72628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72629 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72630 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72631 File
    72632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72633 packages/chimerax/core/session.py", line 943, in <lambda> 
    72634 logger.report_exception(preface=preface)) 
    72635 File
    72636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72637 packages/chimerax/core/logger.py", line 421, in report_exception 
    72638 elif probably_chimera1_session(exc_info): 
    72639 File
    72640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72641 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72642 etype, evalue, etraceback = exc_info 
    72643 TypeError: cannot unpack non-iterable NoneType object 
    72644  
    72645 TypeError: cannot unpack non-iterable NoneType object 
    72646  
    72647 File
    72648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72649 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72650 etype, evalue, etraceback = exc_info 
    72651  
    72652 See log for complete Python traceback. 
    72653  
    72654 Traceback (most recent call last): 
    72655 File
    72656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72657 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72658 return self._func(self._name, data) 
    72659 File
    72660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72661 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72662 if v.display: 
    72663 File
    72664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72665 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72666 return self._any_displayed_positions and len(self._positions) > 0 
    72667 TypeError: object of type 'NoneType' has no len() 
    72668  
    72669 During handling of the above exception, another exception occurred: 
    72670  
    72671 Traceback (most recent call last): 
    72672 File
    72673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72674 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72675 if not self.draw_new_frame(): 
    72676 File
    72677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72678 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72679 changed = view.check_for_drawing_change() 
    72680 File
    72681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72682 packages/chimerax/core/graphics/view.py", line 252, in
    72683 check_for_drawing_change 
    72684 trig.activate_trigger('graphics update', self) 
    72685 File
    72686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72687 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72688 trigger.activate(data) 
    72689 File
    72690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72691 packages/chimerax/core/triggerset.py", line 190, in activate 
    72692 ret = handler.invoke(data, self._remove_bad_handlers) 
    72693 File
    72694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72695 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72696 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72697 File
    72698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72699 packages/chimerax/core/session.py", line 943, in <lambda> 
    72700 logger.report_exception(preface=preface)) 
    72701 File
    72702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72703 packages/chimerax/core/logger.py", line 421, in report_exception 
    72704 elif probably_chimera1_session(exc_info): 
    72705 File
    72706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72707 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72708 etype, evalue, etraceback = exc_info 
    72709 TypeError: cannot unpack non-iterable NoneType object 
    72710  
    72711 TypeError: cannot unpack non-iterable NoneType object 
    72712  
    72713 File
    72714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72715 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72716 etype, evalue, etraceback = exc_info 
    72717  
    72718 See log for complete Python traceback. 
    72719  
    72720 Traceback (most recent call last): 
    72721 File
    72722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72723 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72724 return self._func(self._name, data) 
    72725 File
    72726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72727 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72728 if v.display: 
    72729 File
    72730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72731 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72732 return self._any_displayed_positions and len(self._positions) > 0 
    72733 TypeError: object of type 'NoneType' has no len() 
    72734  
    72735 During handling of the above exception, another exception occurred: 
    72736  
    72737 Traceback (most recent call last): 
    72738 File
    72739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72740 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72741 if not self.draw_new_frame(): 
    72742 File
    72743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72744 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72745 changed = view.check_for_drawing_change() 
    72746 File
    72747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72748 packages/chimerax/core/graphics/view.py", line 252, in
    72749 check_for_drawing_change 
    72750 trig.activate_trigger('graphics update', self) 
    72751 File
    72752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72753 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72754 trigger.activate(data) 
    72755 File
    72756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72757 packages/chimerax/core/triggerset.py", line 190, in activate 
    72758 ret = handler.invoke(data, self._remove_bad_handlers) 
    72759 File
    72760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72761 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72762 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72763 File
    72764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72765 packages/chimerax/core/session.py", line 943, in <lambda> 
    72766 logger.report_exception(preface=preface)) 
    72767 File
    72768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72769 packages/chimerax/core/logger.py", line 421, in report_exception 
    72770 elif probably_chimera1_session(exc_info): 
    72771 File
    72772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72773 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72774 etype, evalue, etraceback = exc_info 
    72775 TypeError: cannot unpack non-iterable NoneType object 
    72776  
    72777 TypeError: cannot unpack non-iterable NoneType object 
    72778  
    72779 File
    72780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72781 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72782 etype, evalue, etraceback = exc_info 
    72783  
    72784 See log for complete Python traceback. 
    72785  
    72786 Traceback (most recent call last): 
    72787 File
    72788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72789 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72790 return self._func(self._name, data) 
    72791 File
    72792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72793 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72794 if v.display: 
    72795 File
    72796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72797 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72798 return self._any_displayed_positions and len(self._positions) > 0 
    72799 TypeError: object of type 'NoneType' has no len() 
    72800  
    72801 During handling of the above exception, another exception occurred: 
    72802  
    72803 Traceback (most recent call last): 
    72804 File
    72805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72806 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72807 if not self.draw_new_frame(): 
    72808 File
    72809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72810 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72811 changed = view.check_for_drawing_change() 
    72812 File
    72813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72814 packages/chimerax/core/graphics/view.py", line 252, in
    72815 check_for_drawing_change 
    72816 trig.activate_trigger('graphics update', self) 
    72817 File
    72818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72819 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72820 trigger.activate(data) 
    72821 File
    72822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72823 packages/chimerax/core/triggerset.py", line 190, in activate 
    72824 ret = handler.invoke(data, self._remove_bad_handlers) 
    72825 File
    72826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72827 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72828 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72829 File
    72830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72831 packages/chimerax/core/session.py", line 943, in <lambda> 
    72832 logger.report_exception(preface=preface)) 
    72833 File
    72834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72835 packages/chimerax/core/logger.py", line 421, in report_exception 
    72836 elif probably_chimera1_session(exc_info): 
    72837 File
    72838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72839 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72840 etype, evalue, etraceback = exc_info 
    72841 TypeError: cannot unpack non-iterable NoneType object 
    72842  
    72843 TypeError: cannot unpack non-iterable NoneType object 
    72844  
    72845 File
    72846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72847 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72848 etype, evalue, etraceback = exc_info 
    72849  
    72850 See log for complete Python traceback. 
    72851  
    72852 Traceback (most recent call last): 
    72853 File
    72854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72855 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72856 return self._func(self._name, data) 
    72857 File
    72858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72859 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72860 if v.display: 
    72861 File
    72862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72863 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72864 return self._any_displayed_positions and len(self._positions) > 0 
    72865 TypeError: object of type 'NoneType' has no len() 
    72866  
    72867 During handling of the above exception, another exception occurred: 
    72868  
    72869 Traceback (most recent call last): 
    72870 File
    72871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72872 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72873 if not self.draw_new_frame(): 
    72874 File
    72875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72876 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72877 changed = view.check_for_drawing_change() 
    72878 File
    72879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72880 packages/chimerax/core/graphics/view.py", line 252, in
    72881 check_for_drawing_change 
    72882 trig.activate_trigger('graphics update', self) 
    72883 File
    72884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72885 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72886 trigger.activate(data) 
    72887 File
    72888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72889 packages/chimerax/core/triggerset.py", line 190, in activate 
    72890 ret = handler.invoke(data, self._remove_bad_handlers) 
    72891 File
    72892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72893 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72894 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72895 File
    72896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72897 packages/chimerax/core/session.py", line 943, in <lambda> 
    72898 logger.report_exception(preface=preface)) 
    72899 File
    72900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72901 packages/chimerax/core/logger.py", line 421, in report_exception 
    72902 elif probably_chimera1_session(exc_info): 
    72903 File
    72904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72905 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72906 etype, evalue, etraceback = exc_info 
    72907 TypeError: cannot unpack non-iterable NoneType object 
    72908  
    72909 TypeError: cannot unpack non-iterable NoneType object 
    72910  
    72911 File
    72912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72913 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72914 etype, evalue, etraceback = exc_info 
    72915  
    72916 See log for complete Python traceback. 
    72917  
    72918 Traceback (most recent call last): 
    72919 File
    72920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72921 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72922 return self._func(self._name, data) 
    72923 File
    72924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72925 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72926 if v.display: 
    72927 File
    72928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72929 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72930 return self._any_displayed_positions and len(self._positions) > 0 
    72931 TypeError: object of type 'NoneType' has no len() 
    72932  
    72933 During handling of the above exception, another exception occurred: 
    72934  
    72935 Traceback (most recent call last): 
    72936 File
    72937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72938 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72939 if not self.draw_new_frame(): 
    72940 File
    72941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72942 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72943 changed = view.check_for_drawing_change() 
    72944 File
    72945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72946 packages/chimerax/core/graphics/view.py", line 252, in
    72947 check_for_drawing_change 
    72948 trig.activate_trigger('graphics update', self) 
    72949 File
    72950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72951 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72952 trigger.activate(data) 
    72953 File
    72954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72955 packages/chimerax/core/triggerset.py", line 190, in activate 
    72956 ret = handler.invoke(data, self._remove_bad_handlers) 
    72957 File
    72958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72959 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72960 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72961 File
    72962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72963 packages/chimerax/core/session.py", line 943, in <lambda> 
    72964 logger.report_exception(preface=preface)) 
    72965 File
    72966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72967 packages/chimerax/core/logger.py", line 421, in report_exception 
    72968 elif probably_chimera1_session(exc_info): 
    72969 File
    72970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72971 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72972 etype, evalue, etraceback = exc_info 
    72973 TypeError: cannot unpack non-iterable NoneType object 
    72974  
    72975 TypeError: cannot unpack non-iterable NoneType object 
    72976  
    72977 File
    72978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72979 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72980 etype, evalue, etraceback = exc_info 
    72981  
    72982 See log for complete Python traceback. 
    72983  
    72984 Traceback (most recent call last): 
    72985 File
    72986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72987 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72988 return self._func(self._name, data) 
    72989 File
    72990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72991 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72992 if v.display: 
    72993 File
    72994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72995 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72996 return self._any_displayed_positions and len(self._positions) > 0 
    72997 TypeError: object of type 'NoneType' has no len() 
    72998  
    72999 During handling of the above exception, another exception occurred: 
    73000  
    73001 Traceback (most recent call last): 
    73002 File
    73003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73004 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73005 if not self.draw_new_frame(): 
    73006 File
    73007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73008 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73009 changed = view.check_for_drawing_change() 
    73010 File
    73011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73012 packages/chimerax/core/graphics/view.py", line 252, in
    73013 check_for_drawing_change 
    73014 trig.activate_trigger('graphics update', self) 
    73015 File
    73016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73017 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73018 trigger.activate(data) 
    73019 File
    73020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73021 packages/chimerax/core/triggerset.py", line 190, in activate 
    73022 ret = handler.invoke(data, self._remove_bad_handlers) 
    73023 File
    73024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73025 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73026 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73027 File
    73028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73029 packages/chimerax/core/session.py", line 943, in <lambda> 
    73030 logger.report_exception(preface=preface)) 
    73031 File
    73032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73033 packages/chimerax/core/logger.py", line 421, in report_exception 
    73034 elif probably_chimera1_session(exc_info): 
    73035 File
    73036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73037 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73038 etype, evalue, etraceback = exc_info 
    73039 TypeError: cannot unpack non-iterable NoneType object 
    73040  
    73041 TypeError: cannot unpack non-iterable NoneType object 
    73042  
    73043 File
    73044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73045 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73046 etype, evalue, etraceback = exc_info 
    73047  
    73048 See log for complete Python traceback. 
    73049  
    73050 Traceback (most recent call last): 
    73051 File
    73052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73053 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73054 return self._func(self._name, data) 
    73055 File
    73056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73057 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73058 if v.display: 
    73059 File
    73060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73061 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73062 return self._any_displayed_positions and len(self._positions) > 0 
    73063 TypeError: object of type 'NoneType' has no len() 
    73064  
    73065 During handling of the above exception, another exception occurred: 
    73066  
    73067 Traceback (most recent call last): 
    73068 File
    73069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73070 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73071 if not self.draw_new_frame(): 
    73072 File
    73073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73074 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73075 changed = view.check_for_drawing_change() 
    73076 File
    73077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73078 packages/chimerax/core/graphics/view.py", line 252, in
    73079 check_for_drawing_change 
    73080 trig.activate_trigger('graphics update', self) 
    73081 File
    73082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73083 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73084 trigger.activate(data) 
    73085 File
    73086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73087 packages/chimerax/core/triggerset.py", line 190, in activate 
    73088 ret = handler.invoke(data, self._remove_bad_handlers) 
    73089 File
    73090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73091 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73092 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73093 File
    73094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73095 packages/chimerax/core/session.py", line 943, in <lambda> 
    73096 logger.report_exception(preface=preface)) 
    73097 File
    73098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73099 packages/chimerax/core/logger.py", line 421, in report_exception 
    73100 elif probably_chimera1_session(exc_info): 
    73101 File
    73102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73103 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73104 etype, evalue, etraceback = exc_info 
    73105 TypeError: cannot unpack non-iterable NoneType object 
    73106  
    73107 TypeError: cannot unpack non-iterable NoneType object 
    73108  
    73109 File
    73110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73111 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73112 etype, evalue, etraceback = exc_info 
    73113  
    73114 See log for complete Python traceback. 
    73115  
    73116 Traceback (most recent call last): 
    73117 File
    73118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73119 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73120 return self._func(self._name, data) 
    73121 File
    73122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73123 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73124 if v.display: 
    73125 File
    73126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73127 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73128 return self._any_displayed_positions and len(self._positions) > 0 
    73129 TypeError: object of type 'NoneType' has no len() 
    73130  
    73131 During handling of the above exception, another exception occurred: 
    73132  
    73133 Traceback (most recent call last): 
    73134 File
    73135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73136 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73137 if not self.draw_new_frame(): 
    73138 File
    73139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73140 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73141 changed = view.check_for_drawing_change() 
    73142 File
    73143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73144 packages/chimerax/core/graphics/view.py", line 252, in
    73145 check_for_drawing_change 
    73146 trig.activate_trigger('graphics update', self) 
    73147 File
    73148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73149 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73150 trigger.activate(data) 
    73151 File
    73152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73153 packages/chimerax/core/triggerset.py", line 190, in activate 
    73154 ret = handler.invoke(data, self._remove_bad_handlers) 
    73155 File
    73156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73157 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73158 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73159 File
    73160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73161 packages/chimerax/core/session.py", line 943, in <lambda> 
    73162 logger.report_exception(preface=preface)) 
    73163 File
    73164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73165 packages/chimerax/core/logger.py", line 421, in report_exception 
    73166 elif probably_chimera1_session(exc_info): 
    73167 File
    73168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73169 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73170 etype, evalue, etraceback = exc_info 
    73171 TypeError: cannot unpack non-iterable NoneType object 
    73172  
    73173 TypeError: cannot unpack non-iterable NoneType object 
    73174  
    73175 File
    73176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73177 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73178 etype, evalue, etraceback = exc_info 
    73179  
    73180 See log for complete Python traceback. 
    73181  
    73182 Traceback (most recent call last): 
    73183 File
    73184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73185 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73186 return self._func(self._name, data) 
    73187 File
    73188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73189 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73190 if v.display: 
    73191 File
    73192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73193 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73194 return self._any_displayed_positions and len(self._positions) > 0 
    73195 TypeError: object of type 'NoneType' has no len() 
    73196  
    73197 During handling of the above exception, another exception occurred: 
    73198  
    73199 Traceback (most recent call last): 
    73200 File
    73201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73202 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73203 if not self.draw_new_frame(): 
    73204 File
    73205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73206 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73207 changed = view.check_for_drawing_change() 
    73208 File
    73209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73210 packages/chimerax/core/graphics/view.py", line 252, in
    73211 check_for_drawing_change 
    73212 trig.activate_trigger('graphics update', self) 
    73213 File
    73214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73215 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73216 trigger.activate(data) 
    73217 File
    73218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73219 packages/chimerax/core/triggerset.py", line 190, in activate 
    73220 ret = handler.invoke(data, self._remove_bad_handlers) 
    73221 File
    73222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73223 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73224 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73225 File
    73226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73227 packages/chimerax/core/session.py", line 943, in <lambda> 
    73228 logger.report_exception(preface=preface)) 
    73229 File
    73230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73231 packages/chimerax/core/logger.py", line 421, in report_exception 
    73232 elif probably_chimera1_session(exc_info): 
    73233 File
    73234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73235 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73236 etype, evalue, etraceback = exc_info 
    73237 TypeError: cannot unpack non-iterable NoneType object 
    73238  
    73239 TypeError: cannot unpack non-iterable NoneType object 
    73240  
    73241 File
    73242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73243 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73244 etype, evalue, etraceback = exc_info 
    73245  
    73246 See log for complete Python traceback. 
    73247  
    73248 Traceback (most recent call last): 
    73249 File
    73250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73251 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73252 return self._func(self._name, data) 
    73253 File
    73254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73255 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73256 if v.display: 
    73257 File
    73258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73259 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73260 return self._any_displayed_positions and len(self._positions) > 0 
    73261 TypeError: object of type 'NoneType' has no len() 
    73262  
    73263 During handling of the above exception, another exception occurred: 
    73264  
    73265 Traceback (most recent call last): 
    73266 File
    73267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73268 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73269 if not self.draw_new_frame(): 
    73270 File
    73271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73272 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73273 changed = view.check_for_drawing_change() 
    73274 File
    73275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73276 packages/chimerax/core/graphics/view.py", line 252, in
    73277 check_for_drawing_change 
    73278 trig.activate_trigger('graphics update', self) 
    73279 File
    73280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73281 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73282 trigger.activate(data) 
    73283 File
    73284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73285 packages/chimerax/core/triggerset.py", line 190, in activate 
    73286 ret = handler.invoke(data, self._remove_bad_handlers) 
    73287 File
    73288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73289 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73290 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73291 File
    73292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73293 packages/chimerax/core/session.py", line 943, in <lambda> 
    73294 logger.report_exception(preface=preface)) 
    73295 File
    73296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73297 packages/chimerax/core/logger.py", line 421, in report_exception 
    73298 elif probably_chimera1_session(exc_info): 
    73299 File
    73300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73301 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73302 etype, evalue, etraceback = exc_info 
    73303 TypeError: cannot unpack non-iterable NoneType object 
    73304  
    73305 TypeError: cannot unpack non-iterable NoneType object 
    73306  
    73307 File
    73308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73309 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73310 etype, evalue, etraceback = exc_info 
    73311  
    73312 See log for complete Python traceback. 
    73313  
    73314 Traceback (most recent call last): 
    73315 File
    73316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73317 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73318 return self._func(self._name, data) 
    73319 File
    73320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73321 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73322 if v.display: 
    73323 File
    73324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73325 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73326 return self._any_displayed_positions and len(self._positions) > 0 
    73327 TypeError: object of type 'NoneType' has no len() 
    73328  
    73329 During handling of the above exception, another exception occurred: 
    73330  
    73331 Traceback (most recent call last): 
    73332 File
    73333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73334 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73335 if not self.draw_new_frame(): 
    73336 File
    73337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73338 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73339 changed = view.check_for_drawing_change() 
    73340 File
    73341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73342 packages/chimerax/core/graphics/view.py", line 252, in
    73343 check_for_drawing_change 
    73344 trig.activate_trigger('graphics update', self) 
    73345 File
    73346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73347 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73348 trigger.activate(data) 
    73349 File
    73350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73351 packages/chimerax/core/triggerset.py", line 190, in activate 
    73352 ret = handler.invoke(data, self._remove_bad_handlers) 
    73353 File
    73354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73355 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73356 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73357 File
    73358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73359 packages/chimerax/core/session.py", line 943, in <lambda> 
    73360 logger.report_exception(preface=preface)) 
    73361 File
    73362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73363 packages/chimerax/core/logger.py", line 421, in report_exception 
    73364 elif probably_chimera1_session(exc_info): 
    73365 File
    73366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73367 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73368 etype, evalue, etraceback = exc_info 
    73369 TypeError: cannot unpack non-iterable NoneType object 
    73370  
    73371 TypeError: cannot unpack non-iterable NoneType object 
    73372  
    73373 File
    73374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73375 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73376 etype, evalue, etraceback = exc_info 
    73377  
    73378 See log for complete Python traceback. 
    73379  
    73380 Traceback (most recent call last): 
    73381 File
    73382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73383 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73384 return self._func(self._name, data) 
    73385 File
    73386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73387 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73388 if v.display: 
    73389 File
    73390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73391 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73392 return self._any_displayed_positions and len(self._positions) > 0 
    73393 TypeError: object of type 'NoneType' has no len() 
    73394  
    73395 During handling of the above exception, another exception occurred: 
    73396  
    73397 Traceback (most recent call last): 
    73398 File
    73399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73400 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73401 if not self.draw_new_frame(): 
    73402 File
    73403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73404 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73405 changed = view.check_for_drawing_change() 
    73406 File
    73407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73408 packages/chimerax/core/graphics/view.py", line 252, in
    73409 check_for_drawing_change 
    73410 trig.activate_trigger('graphics update', self) 
    73411 File
    73412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73413 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73414 trigger.activate(data) 
    73415 File
    73416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73417 packages/chimerax/core/triggerset.py", line 190, in activate 
    73418 ret = handler.invoke(data, self._remove_bad_handlers) 
    73419 File
    73420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73421 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73422 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73423 File
    73424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73425 packages/chimerax/core/session.py", line 943, in <lambda> 
    73426 logger.report_exception(preface=preface)) 
    73427 File
    73428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73429 packages/chimerax/core/logger.py", line 421, in report_exception 
    73430 elif probably_chimera1_session(exc_info): 
    73431 File
    73432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73433 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73434 etype, evalue, etraceback = exc_info 
    73435 TypeError: cannot unpack non-iterable NoneType object 
    73436  
    73437 TypeError: cannot unpack non-iterable NoneType object 
    73438  
    73439 File
    73440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73441 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73442 etype, evalue, etraceback = exc_info 
    73443  
    73444 See log for complete Python traceback. 
    73445  
    73446 Traceback (most recent call last): 
    73447 File
    73448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73449 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73450 return self._func(self._name, data) 
    73451 File
    73452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73453 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73454 if v.display: 
    73455 File
    73456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73457 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73458 return self._any_displayed_positions and len(self._positions) > 0 
    73459 TypeError: object of type 'NoneType' has no len() 
    73460  
    73461 During handling of the above exception, another exception occurred: 
    73462  
    73463 Traceback (most recent call last): 
    73464 File
    73465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73466 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73467 if not self.draw_new_frame(): 
    73468 File
    73469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73470 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73471 changed = view.check_for_drawing_change() 
    73472 File
    73473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73474 packages/chimerax/core/graphics/view.py", line 252, in
    73475 check_for_drawing_change 
    73476 trig.activate_trigger('graphics update', self) 
    73477 File
    73478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73479 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73480 trigger.activate(data) 
    73481 File
    73482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73483 packages/chimerax/core/triggerset.py", line 190, in activate 
    73484 ret = handler.invoke(data, self._remove_bad_handlers) 
    73485 File
    73486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73487 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73488 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73489 File
    73490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73491 packages/chimerax/core/session.py", line 943, in <lambda> 
    73492 logger.report_exception(preface=preface)) 
    73493 File
    73494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73495 packages/chimerax/core/logger.py", line 421, in report_exception 
    73496 elif probably_chimera1_session(exc_info): 
    73497 File
    73498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73499 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73500 etype, evalue, etraceback = exc_info 
    73501 TypeError: cannot unpack non-iterable NoneType object 
    73502  
    73503 TypeError: cannot unpack non-iterable NoneType object 
    73504  
    73505 File
    73506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73507 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73508 etype, evalue, etraceback = exc_info 
    73509  
    73510 See log for complete Python traceback. 
    73511  
    73512 Traceback (most recent call last): 
    73513 File
    73514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73515 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73516 return self._func(self._name, data) 
    73517 File
    73518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73519 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73520 if v.display: 
    73521 File
    73522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73523 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73524 return self._any_displayed_positions and len(self._positions) > 0 
    73525 TypeError: object of type 'NoneType' has no len() 
    73526  
    73527 During handling of the above exception, another exception occurred: 
    73528  
    73529 Traceback (most recent call last): 
    73530 File
    73531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73532 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73533 if not self.draw_new_frame(): 
    73534 File
    73535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73536 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73537 changed = view.check_for_drawing_change() 
    73538 File
    73539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73540 packages/chimerax/core/graphics/view.py", line 252, in
    73541 check_for_drawing_change 
    73542 trig.activate_trigger('graphics update', self) 
    73543 File
    73544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73545 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73546 trigger.activate(data) 
    73547 File
    73548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73549 packages/chimerax/core/triggerset.py", line 190, in activate 
    73550 ret = handler.invoke(data, self._remove_bad_handlers) 
    73551 File
    73552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73553 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73554 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73555 File
    73556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73557 packages/chimerax/core/session.py", line 943, in <lambda> 
    73558 logger.report_exception(preface=preface)) 
    73559 File
    73560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73561 packages/chimerax/core/logger.py", line 421, in report_exception 
    73562 elif probably_chimera1_session(exc_info): 
    73563 File
    73564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73565 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73566 etype, evalue, etraceback = exc_info 
    73567 TypeError: cannot unpack non-iterable NoneType object 
    73568  
    73569 TypeError: cannot unpack non-iterable NoneType object 
    73570  
    73571 File
    73572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73573 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73574 etype, evalue, etraceback = exc_info 
    73575  
    73576 See log for complete Python traceback. 
    73577  
    73578 Traceback (most recent call last): 
    73579 File
    73580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73581 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73582 return self._func(self._name, data) 
    73583 File
    73584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73585 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73586 if v.display: 
    73587 File
    73588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73589 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73590 return self._any_displayed_positions and len(self._positions) > 0 
    73591 TypeError: object of type 'NoneType' has no len() 
    73592  
    73593 During handling of the above exception, another exception occurred: 
    73594  
    73595 Traceback (most recent call last): 
    73596 File
    73597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73598 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73599 if not self.draw_new_frame(): 
    73600 File
    73601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73602 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73603 changed = view.check_for_drawing_change() 
    73604 File
    73605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73606 packages/chimerax/core/graphics/view.py", line 252, in
    73607 check_for_drawing_change 
    73608 trig.activate_trigger('graphics update', self) 
    73609 File
    73610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73611 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73612 trigger.activate(data) 
    73613 File
    73614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73615 packages/chimerax/core/triggerset.py", line 190, in activate 
    73616 ret = handler.invoke(data, self._remove_bad_handlers) 
    73617 File
    73618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73619 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73620 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73621 File
    73622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73623 packages/chimerax/core/session.py", line 943, in <lambda> 
    73624 logger.report_exception(preface=preface)) 
    73625 File
    73626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73627 packages/chimerax/core/logger.py", line 421, in report_exception 
    73628 elif probably_chimera1_session(exc_info): 
    73629 File
    73630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73631 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73632 etype, evalue, etraceback = exc_info 
    73633 TypeError: cannot unpack non-iterable NoneType object 
    73634  
    73635 TypeError: cannot unpack non-iterable NoneType object 
    73636  
    73637 File
    73638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73639 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73640 etype, evalue, etraceback = exc_info 
    73641  
    73642 See log for complete Python traceback. 
    73643  
    73644 Traceback (most recent call last): 
    73645 File
    73646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73647 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73648 return self._func(self._name, data) 
    73649 File
    73650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73651 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73652 if v.display: 
    73653 File
    73654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73655 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73656 return self._any_displayed_positions and len(self._positions) > 0 
    73657 TypeError: object of type 'NoneType' has no len() 
    73658  
    73659 During handling of the above exception, another exception occurred: 
    73660  
    73661 Traceback (most recent call last): 
    73662 File
    73663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73664 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73665 if not self.draw_new_frame(): 
    73666 File
    73667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73668 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73669 changed = view.check_for_drawing_change() 
    73670 File
    73671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73672 packages/chimerax/core/graphics/view.py", line 252, in
    73673 check_for_drawing_change 
    73674 trig.activate_trigger('graphics update', self) 
    73675 File
    73676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73677 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73678 trigger.activate(data) 
    73679 File
    73680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73681 packages/chimerax/core/triggerset.py", line 190, in activate 
    73682 ret = handler.invoke(data, self._remove_bad_handlers) 
    73683 File
    73684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73685 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73686 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73687 File
    73688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73689 packages/chimerax/core/session.py", line 943, in <lambda> 
    73690 logger.report_exception(preface=preface)) 
    73691 File
    73692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73693 packages/chimerax/core/logger.py", line 421, in report_exception 
    73694 elif probably_chimera1_session(exc_info): 
    73695 File
    73696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73697 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73698 etype, evalue, etraceback = exc_info 
    73699 TypeError: cannot unpack non-iterable NoneType object 
    73700  
    73701 TypeError: cannot unpack non-iterable NoneType object 
    73702  
    73703 File
    73704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73705 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73706 etype, evalue, etraceback = exc_info 
    73707  
    73708 See log for complete Python traceback. 
    73709  
    73710 Traceback (most recent call last): 
    73711 File
    73712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73713 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73714 return self._func(self._name, data) 
    73715 File
    73716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73717 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73718 if v.display: 
    73719 File
    73720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73721 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73722 return self._any_displayed_positions and len(self._positions) > 0 
    73723 TypeError: object of type 'NoneType' has no len() 
    73724  
    73725 During handling of the above exception, another exception occurred: 
    73726  
    73727 Traceback (most recent call last): 
    73728 File
    73729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73730 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73731 if not self.draw_new_frame(): 
    73732 File
    73733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73734 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73735 changed = view.check_for_drawing_change() 
    73736 File
    73737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73738 packages/chimerax/core/graphics/view.py", line 252, in
    73739 check_for_drawing_change 
    73740 trig.activate_trigger('graphics update', self) 
    73741 File
    73742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73743 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73744 trigger.activate(data) 
    73745 File
    73746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73747 packages/chimerax/core/triggerset.py", line 190, in activate 
    73748 ret = handler.invoke(data, self._remove_bad_handlers) 
    73749 File
    73750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73751 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73752 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73753 File
    73754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73755 packages/chimerax/core/session.py", line 943, in <lambda> 
    73756 logger.report_exception(preface=preface)) 
    73757 File
    73758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73759 packages/chimerax/core/logger.py", line 421, in report_exception 
    73760 elif probably_chimera1_session(exc_info): 
    73761 File
    73762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73763 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73764 etype, evalue, etraceback = exc_info 
    73765 TypeError: cannot unpack non-iterable NoneType object 
    73766  
    73767 TypeError: cannot unpack non-iterable NoneType object 
    73768  
    73769 File
    73770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73771 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73772 etype, evalue, etraceback = exc_info 
    73773  
    73774 See log for complete Python traceback. 
    73775  
    73776 Traceback (most recent call last): 
    73777 File
    73778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73779 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73780 return self._func(self._name, data) 
    73781 File
    73782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73783 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73784 if v.display: 
    73785 File
    73786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73787 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73788 return self._any_displayed_positions and len(self._positions) > 0 
    73789 TypeError: object of type 'NoneType' has no len() 
    73790  
    73791 During handling of the above exception, another exception occurred: 
    73792  
    73793 Traceback (most recent call last): 
    73794 File
    73795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73796 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73797 if not self.draw_new_frame(): 
    73798 File
    73799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73800 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73801 changed = view.check_for_drawing_change() 
    73802 File
    73803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73804 packages/chimerax/core/graphics/view.py", line 252, in
    73805 check_for_drawing_change 
    73806 trig.activate_trigger('graphics update', self) 
    73807 File
    73808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73809 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73810 trigger.activate(data) 
    73811 File
    73812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73813 packages/chimerax/core/triggerset.py", line 190, in activate 
    73814 ret = handler.invoke(data, self._remove_bad_handlers) 
    73815 File
    73816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73817 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73818 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73819 File
    73820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73821 packages/chimerax/core/session.py", line 943, in <lambda> 
    73822 logger.report_exception(preface=preface)) 
    73823 File
    73824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73825 packages/chimerax/core/logger.py", line 421, in report_exception 
    73826 elif probably_chimera1_session(exc_info): 
    73827 File
    73828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73829 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73830 etype, evalue, etraceback = exc_info 
    73831 TypeError: cannot unpack non-iterable NoneType object 
    73832  
    73833 TypeError: cannot unpack non-iterable NoneType object 
    73834  
    73835 File
    73836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73837 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73838 etype, evalue, etraceback = exc_info 
    73839  
    73840 See log for complete Python traceback. 
    73841  
    73842 Traceback (most recent call last): 
    73843 File
    73844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73845 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73846 return self._func(self._name, data) 
    73847 File
    73848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73849 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73850 if v.display: 
    73851 File
    73852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73853 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73854 return self._any_displayed_positions and len(self._positions) > 0 
    73855 TypeError: object of type 'NoneType' has no len() 
    73856  
    73857 During handling of the above exception, another exception occurred: 
    73858  
    73859 Traceback (most recent call last): 
    73860 File
    73861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73862 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73863 if not self.draw_new_frame(): 
    73864 File
    73865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73866 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73867 changed = view.check_for_drawing_change() 
    73868 File
    73869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73870 packages/chimerax/core/graphics/view.py", line 252, in
    73871 check_for_drawing_change 
    73872 trig.activate_trigger('graphics update', self) 
    73873 File
    73874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73875 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73876 trigger.activate(data) 
    73877 File
    73878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73879 packages/chimerax/core/triggerset.py", line 190, in activate 
    73880 ret = handler.invoke(data, self._remove_bad_handlers) 
    73881 File
    73882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73883 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73884 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73885 File
    73886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73887 packages/chimerax/core/session.py", line 943, in <lambda> 
    73888 logger.report_exception(preface=preface)) 
    73889 File
    73890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73891 packages/chimerax/core/logger.py", line 421, in report_exception 
    73892 elif probably_chimera1_session(exc_info): 
    73893 File
    73894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73895 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73896 etype, evalue, etraceback = exc_info 
    73897 TypeError: cannot unpack non-iterable NoneType object 
    73898  
    73899 TypeError: cannot unpack non-iterable NoneType object 
    73900  
    73901 File
    73902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73903 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73904 etype, evalue, etraceback = exc_info 
    73905  
    73906 See log for complete Python traceback. 
    73907  
    73908 Traceback (most recent call last): 
    73909 File
    73910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73911 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73912 return self._func(self._name, data) 
    73913 File
    73914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73915 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73916 if v.display: 
    73917 File
    73918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73919 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73920 return self._any_displayed_positions and len(self._positions) > 0 
    73921 TypeError: object of type 'NoneType' has no len() 
    73922  
    73923 During handling of the above exception, another exception occurred: 
    73924  
    73925 Traceback (most recent call last): 
    73926 File
    73927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73928 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73929 if not self.draw_new_frame(): 
    73930 File
    73931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73932 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73933 changed = view.check_for_drawing_change() 
    73934 File
    73935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73936 packages/chimerax/core/graphics/view.py", line 252, in
    73937 check_for_drawing_change 
    73938 trig.activate_trigger('graphics update', self) 
    73939 File
    73940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73941 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73942 trigger.activate(data) 
    73943 File
    73944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73945 packages/chimerax/core/triggerset.py", line 190, in activate 
    73946 ret = handler.invoke(data, self._remove_bad_handlers) 
    73947 File
    73948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73949 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73950 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73951 File
    73952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73953 packages/chimerax/core/session.py", line 943, in <lambda> 
    73954 logger.report_exception(preface=preface)) 
    73955 File
    73956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73957 packages/chimerax/core/logger.py", line 421, in report_exception 
    73958 elif probably_chimera1_session(exc_info): 
    73959 File
    73960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73961 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73962 etype, evalue, etraceback = exc_info 
    73963 TypeError: cannot unpack non-iterable NoneType object 
    73964  
    73965 TypeError: cannot unpack non-iterable NoneType object 
    73966  
    73967 File
    73968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73969 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73970 etype, evalue, etraceback = exc_info 
    73971  
    73972 See log for complete Python traceback. 
    73973  
    73974 Traceback (most recent call last): 
    73975 File
    73976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73977 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73978 return self._func(self._name, data) 
    73979 File
    73980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73981 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73982 if v.display: 
    73983 File
    73984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73985 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73986 return self._any_displayed_positions and len(self._positions) > 0 
    73987 TypeError: object of type 'NoneType' has no len() 
    73988  
    73989 During handling of the above exception, another exception occurred: 
    73990  
    73991 Traceback (most recent call last): 
    73992 File
    73993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73994 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73995 if not self.draw_new_frame(): 
    73996 File
    73997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73998 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73999 changed = view.check_for_drawing_change() 
    74000 File
    74001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74002 packages/chimerax/core/graphics/view.py", line 252, in
    74003 check_for_drawing_change 
    74004 trig.activate_trigger('graphics update', self) 
    74005 File
    74006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74007 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74008 trigger.activate(data) 
    74009 File
    74010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74011 packages/chimerax/core/triggerset.py", line 190, in activate 
    74012 ret = handler.invoke(data, self._remove_bad_handlers) 
    74013 File
    74014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74015 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74016 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74017 File
    74018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74019 packages/chimerax/core/session.py", line 943, in <lambda> 
    74020 logger.report_exception(preface=preface)) 
    74021 File
    74022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74023 packages/chimerax/core/logger.py", line 421, in report_exception 
    74024 elif probably_chimera1_session(exc_info): 
    74025 File
    74026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74027 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74028 etype, evalue, etraceback = exc_info 
    74029 TypeError: cannot unpack non-iterable NoneType object 
    74030  
    74031 TypeError: cannot unpack non-iterable NoneType object 
    74032  
    74033 File
    74034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74035 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74036 etype, evalue, etraceback = exc_info 
    74037  
    74038 See log for complete Python traceback. 
    74039  
    74040 Traceback (most recent call last): 
    74041 File
    74042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74043 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74044 return self._func(self._name, data) 
    74045 File
    74046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74047 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74048 if v.display: 
    74049 File
    74050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74051 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74052 return self._any_displayed_positions and len(self._positions) > 0 
    74053 TypeError: object of type 'NoneType' has no len() 
    74054  
    74055 During handling of the above exception, another exception occurred: 
    74056  
    74057 Traceback (most recent call last): 
    74058 File
    74059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74060 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74061 if not self.draw_new_frame(): 
    74062 File
    74063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74064 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74065 changed = view.check_for_drawing_change() 
    74066 File
    74067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74068 packages/chimerax/core/graphics/view.py", line 252, in
    74069 check_for_drawing_change 
    74070 trig.activate_trigger('graphics update', self) 
    74071 File
    74072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74073 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74074 trigger.activate(data) 
    74075 File
    74076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74077 packages/chimerax/core/triggerset.py", line 190, in activate 
    74078 ret = handler.invoke(data, self._remove_bad_handlers) 
    74079 File
    74080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74081 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74082 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74083 File
    74084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74085 packages/chimerax/core/session.py", line 943, in <lambda> 
    74086 logger.report_exception(preface=preface)) 
    74087 File
    74088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74089 packages/chimerax/core/logger.py", line 421, in report_exception 
    74090 elif probably_chimera1_session(exc_info): 
    74091 File
    74092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74093 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74094 etype, evalue, etraceback = exc_info 
    74095 TypeError: cannot unpack non-iterable NoneType object 
    74096  
    74097 TypeError: cannot unpack non-iterable NoneType object 
    74098  
    74099 File
    74100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74101 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74102 etype, evalue, etraceback = exc_info 
    74103  
    74104 See log for complete Python traceback. 
    74105  
    74106 Traceback (most recent call last): 
    74107 File
    74108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74109 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74110 return self._func(self._name, data) 
    74111 File
    74112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74113 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74114 if v.display: 
    74115 File
    74116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74117 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74118 return self._any_displayed_positions and len(self._positions) > 0 
    74119 TypeError: object of type 'NoneType' has no len() 
    74120  
    74121 During handling of the above exception, another exception occurred: 
    74122  
    74123 Traceback (most recent call last): 
    74124 File
    74125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74126 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74127 if not self.draw_new_frame(): 
    74128 File
    74129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74130 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74131 changed = view.check_for_drawing_change() 
    74132 File
    74133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74134 packages/chimerax/core/graphics/view.py", line 252, in
    74135 check_for_drawing_change 
    74136 trig.activate_trigger('graphics update', self) 
    74137 File
    74138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74139 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74140 trigger.activate(data) 
    74141 File
    74142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74143 packages/chimerax/core/triggerset.py", line 190, in activate 
    74144 ret = handler.invoke(data, self._remove_bad_handlers) 
    74145 File
    74146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74147 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74148 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74149 File
    74150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74151 packages/chimerax/core/session.py", line 943, in <lambda> 
    74152 logger.report_exception(preface=preface)) 
    74153 File
    74154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74155 packages/chimerax/core/logger.py", line 421, in report_exception 
    74156 elif probably_chimera1_session(exc_info): 
    74157 File
    74158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74159 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74160 etype, evalue, etraceback = exc_info 
    74161 TypeError: cannot unpack non-iterable NoneType object 
    74162  
    74163 TypeError: cannot unpack non-iterable NoneType object 
    74164  
    74165 File
    74166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74167 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74168 etype, evalue, etraceback = exc_info 
    74169  
    74170 See log for complete Python traceback. 
    74171  
    74172 Traceback (most recent call last): 
    74173 File
    74174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74175 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74176 return self._func(self._name, data) 
    74177 File
    74178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74179 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74180 if v.display: 
    74181 File
    74182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74183 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74184 return self._any_displayed_positions and len(self._positions) > 0 
    74185 TypeError: object of type 'NoneType' has no len() 
    74186  
    74187 During handling of the above exception, another exception occurred: 
    74188  
    74189 Traceback (most recent call last): 
    74190 File
    74191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74192 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74193 if not self.draw_new_frame(): 
    74194 File
    74195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74196 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74197 changed = view.check_for_drawing_change() 
    74198 File
    74199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74200 packages/chimerax/core/graphics/view.py", line 252, in
    74201 check_for_drawing_change 
    74202 trig.activate_trigger('graphics update', self) 
    74203 File
    74204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74205 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74206 trigger.activate(data) 
    74207 File
    74208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74209 packages/chimerax/core/triggerset.py", line 190, in activate 
    74210 ret = handler.invoke(data, self._remove_bad_handlers) 
    74211 File
    74212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74213 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74214 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74215 File
    74216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74217 packages/chimerax/core/session.py", line 943, in <lambda> 
    74218 logger.report_exception(preface=preface)) 
    74219 File
    74220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74221 packages/chimerax/core/logger.py", line 421, in report_exception 
    74222 elif probably_chimera1_session(exc_info): 
    74223 File
    74224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74225 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74226 etype, evalue, etraceback = exc_info 
    74227 TypeError: cannot unpack non-iterable NoneType object 
    74228  
    74229 TypeError: cannot unpack non-iterable NoneType object 
    74230  
    74231 File
    74232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74233 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74234 etype, evalue, etraceback = exc_info 
    74235  
    74236 See log for complete Python traceback. 
    74237  
    74238 Traceback (most recent call last): 
    74239 File
    74240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74241 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74242 return self._func(self._name, data) 
    74243 File
    74244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74245 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74246 if v.display: 
    74247 File
    74248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74249 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74250 return self._any_displayed_positions and len(self._positions) > 0 
    74251 TypeError: object of type 'NoneType' has no len() 
    74252  
    74253 During handling of the above exception, another exception occurred: 
    74254  
    74255 Traceback (most recent call last): 
    74256 File
    74257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74258 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74259 if not self.draw_new_frame(): 
    74260 File
    74261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74262 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74263 changed = view.check_for_drawing_change() 
    74264 File
    74265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74266 packages/chimerax/core/graphics/view.py", line 252, in
    74267 check_for_drawing_change 
    74268 trig.activate_trigger('graphics update', self) 
    74269 File
    74270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74271 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74272 trigger.activate(data) 
    74273 File
    74274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74275 packages/chimerax/core/triggerset.py", line 190, in activate 
    74276 ret = handler.invoke(data, self._remove_bad_handlers) 
    74277 File
    74278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74279 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74280 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74281 File
    74282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74283 packages/chimerax/core/session.py", line 943, in <lambda> 
    74284 logger.report_exception(preface=preface)) 
    74285 File
    74286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74287 packages/chimerax/core/logger.py", line 421, in report_exception 
    74288 elif probably_chimera1_session(exc_info): 
    74289 File
    74290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74291 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74292 etype, evalue, etraceback = exc_info 
    74293 TypeError: cannot unpack non-iterable NoneType object 
    74294  
    74295 TypeError: cannot unpack non-iterable NoneType object 
    74296  
    74297 File
    74298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74299 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74300 etype, evalue, etraceback = exc_info 
    74301  
    74302 See log for complete Python traceback. 
    74303  
    74304 Traceback (most recent call last): 
    74305 File
    74306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74307 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74308 return self._func(self._name, data) 
    74309 File
    74310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74311 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74312 if v.display: 
    74313 File
    74314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74315 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74316 return self._any_displayed_positions and len(self._positions) > 0 
    74317 TypeError: object of type 'NoneType' has no len() 
    74318  
    74319 During handling of the above exception, another exception occurred: 
    74320  
    74321 Traceback (most recent call last): 
    74322 File
    74323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74324 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74325 if not self.draw_new_frame(): 
    74326 File
    74327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74328 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74329 changed = view.check_for_drawing_change() 
    74330 File
    74331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74332 packages/chimerax/core/graphics/view.py", line 252, in
    74333 check_for_drawing_change 
    74334 trig.activate_trigger('graphics update', self) 
    74335 File
    74336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74337 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74338 trigger.activate(data) 
    74339 File
    74340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74341 packages/chimerax/core/triggerset.py", line 190, in activate 
    74342 ret = handler.invoke(data, self._remove_bad_handlers) 
    74343 File
    74344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74345 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74346 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74347 File
    74348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74349 packages/chimerax/core/session.py", line 943, in <lambda> 
    74350 logger.report_exception(preface=preface)) 
    74351 File
    74352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74353 packages/chimerax/core/logger.py", line 421, in report_exception 
    74354 elif probably_chimera1_session(exc_info): 
    74355 File
    74356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74357 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74358 etype, evalue, etraceback = exc_info 
    74359 TypeError: cannot unpack non-iterable NoneType object 
    74360  
    74361 TypeError: cannot unpack non-iterable NoneType object 
    74362  
    74363 File
    74364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74365 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74366 etype, evalue, etraceback = exc_info 
    74367  
    74368 See log for complete Python traceback. 
    74369  
    74370 Traceback (most recent call last): 
    74371 File
    74372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74373 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74374 return self._func(self._name, data) 
    74375 File
    74376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74377 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74378 if v.display: 
    74379 File
    74380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74381 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74382 return self._any_displayed_positions and len(self._positions) > 0 
    74383 TypeError: object of type 'NoneType' has no len() 
    74384  
    74385 During handling of the above exception, another exception occurred: 
    74386  
    74387 Traceback (most recent call last): 
    74388 File
    74389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74390 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74391 if not self.draw_new_frame(): 
    74392 File
    74393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74394 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74395 changed = view.check_for_drawing_change() 
    74396 File
    74397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74398 packages/chimerax/core/graphics/view.py", line 252, in
    74399 check_for_drawing_change 
    74400 trig.activate_trigger('graphics update', self) 
    74401 File
    74402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74403 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74404 trigger.activate(data) 
    74405 File
    74406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74407 packages/chimerax/core/triggerset.py", line 190, in activate 
    74408 ret = handler.invoke(data, self._remove_bad_handlers) 
    74409 File
    74410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74411 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74412 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74413 File
    74414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74415 packages/chimerax/core/session.py", line 943, in <lambda> 
    74416 logger.report_exception(preface=preface)) 
    74417 File
    74418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74419 packages/chimerax/core/logger.py", line 421, in report_exception 
    74420 elif probably_chimera1_session(exc_info): 
    74421 File
    74422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74423 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74424 etype, evalue, etraceback = exc_info 
    74425 TypeError: cannot unpack non-iterable NoneType object 
    74426  
    74427 TypeError: cannot unpack non-iterable NoneType object 
    74428  
    74429 File
    74430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74431 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74432 etype, evalue, etraceback = exc_info 
    74433  
    74434 See log for complete Python traceback. 
    74435  
    74436 Traceback (most recent call last): 
    74437 File
    74438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74439 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74440 return self._func(self._name, data) 
    74441 File
    74442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74443 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74444 if v.display: 
    74445 File
    74446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74447 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74448 return self._any_displayed_positions and len(self._positions) > 0 
    74449 TypeError: object of type 'NoneType' has no len() 
    74450  
    74451 During handling of the above exception, another exception occurred: 
    74452  
    74453 Traceback (most recent call last): 
    74454 File
    74455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74456 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74457 if not self.draw_new_frame(): 
    74458 File
    74459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74460 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74461 changed = view.check_for_drawing_change() 
    74462 File
    74463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74464 packages/chimerax/core/graphics/view.py", line 252, in
    74465 check_for_drawing_change 
    74466 trig.activate_trigger('graphics update', self) 
    74467 File
    74468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74469 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74470 trigger.activate(data) 
    74471 File
    74472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74473 packages/chimerax/core/triggerset.py", line 190, in activate 
    74474 ret = handler.invoke(data, self._remove_bad_handlers) 
    74475 File
    74476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74477 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74478 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74479 File
    74480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74481 packages/chimerax/core/session.py", line 943, in <lambda> 
    74482 logger.report_exception(preface=preface)) 
    74483 File
    74484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74485 packages/chimerax/core/logger.py", line 421, in report_exception 
    74486 elif probably_chimera1_session(exc_info): 
    74487 File
    74488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74489 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74490 etype, evalue, etraceback = exc_info 
    74491 TypeError: cannot unpack non-iterable NoneType object 
    74492  
    74493 TypeError: cannot unpack non-iterable NoneType object 
    74494  
    74495 File
    74496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74497 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74498 etype, evalue, etraceback = exc_info 
    74499  
    74500 See log for complete Python traceback. 
    74501  
    74502 Traceback (most recent call last): 
    74503 File
    74504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74505 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74506 return self._func(self._name, data) 
    74507 File
    74508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74509 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74510 if v.display: 
    74511 File
    74512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74513 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74514 return self._any_displayed_positions and len(self._positions) > 0 
    74515 TypeError: object of type 'NoneType' has no len() 
    74516  
    74517 During handling of the above exception, another exception occurred: 
    74518  
    74519 Traceback (most recent call last): 
    74520 File
    74521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74522 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74523 if not self.draw_new_frame(): 
    74524 File
    74525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74526 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74527 changed = view.check_for_drawing_change() 
    74528 File
    74529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74530 packages/chimerax/core/graphics/view.py", line 252, in
    74531 check_for_drawing_change 
    74532 trig.activate_trigger('graphics update', self) 
    74533 File
    74534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74535 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74536 trigger.activate(data) 
    74537 File
    74538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74539 packages/chimerax/core/triggerset.py", line 190, in activate 
    74540 ret = handler.invoke(data, self._remove_bad_handlers) 
    74541 File
    74542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74543 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74544 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74545 File
    74546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74547 packages/chimerax/core/session.py", line 943, in <lambda> 
    74548 logger.report_exception(preface=preface)) 
    74549 File
    74550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74551 packages/chimerax/core/logger.py", line 421, in report_exception 
    74552 elif probably_chimera1_session(exc_info): 
    74553 File
    74554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74555 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74556 etype, evalue, etraceback = exc_info 
    74557 TypeError: cannot unpack non-iterable NoneType object 
    74558  
    74559 TypeError: cannot unpack non-iterable NoneType object 
    74560  
    74561 File
    74562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74563 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74564 etype, evalue, etraceback = exc_info 
    74565  
    74566 See log for complete Python traceback. 
    74567  
    74568 Traceback (most recent call last): 
    74569 File
    74570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74571 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74572 return self._func(self._name, data) 
    74573 File
    74574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74575 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74576 if v.display: 
    74577 File
    74578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74579 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74580 return self._any_displayed_positions and len(self._positions) > 0 
    74581 TypeError: object of type 'NoneType' has no len() 
    74582  
    74583 During handling of the above exception, another exception occurred: 
    74584  
    74585 Traceback (most recent call last): 
    74586 File
    74587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74588 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74589 if not self.draw_new_frame(): 
    74590 File
    74591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74592 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74593 changed = view.check_for_drawing_change() 
    74594 File
    74595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74596 packages/chimerax/core/graphics/view.py", line 252, in
    74597 check_for_drawing_change 
    74598 trig.activate_trigger('graphics update', self) 
    74599 File
    74600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74601 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74602 trigger.activate(data) 
    74603 File
    74604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74605 packages/chimerax/core/triggerset.py", line 190, in activate 
    74606 ret = handler.invoke(data, self._remove_bad_handlers) 
    74607 File
    74608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74609 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74610 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74611 File
    74612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74613 packages/chimerax/core/session.py", line 943, in <lambda> 
    74614 logger.report_exception(preface=preface)) 
    74615 File
    74616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74617 packages/chimerax/core/logger.py", line 421, in report_exception 
    74618 elif probably_chimera1_session(exc_info): 
    74619 File
    74620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74621 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74622 etype, evalue, etraceback = exc_info 
    74623 TypeError: cannot unpack non-iterable NoneType object 
    74624  
    74625 TypeError: cannot unpack non-iterable NoneType object 
    74626  
    74627 File
    74628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74629 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74630 etype, evalue, etraceback = exc_info 
    74631  
    74632 See log for complete Python traceback. 
    74633  
    74634 Traceback (most recent call last): 
    74635 File
    74636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74637 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74638 return self._func(self._name, data) 
    74639 File
    74640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74641 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74642 if v.display: 
    74643 File
    74644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74645 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74646 return self._any_displayed_positions and len(self._positions) > 0 
    74647 TypeError: object of type 'NoneType' has no len() 
    74648  
    74649 During handling of the above exception, another exception occurred: 
    74650  
    74651 Traceback (most recent call last): 
    74652 File
    74653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74654 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74655 if not self.draw_new_frame(): 
    74656 File
    74657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74658 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74659 changed = view.check_for_drawing_change() 
    74660 File
    74661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74662 packages/chimerax/core/graphics/view.py", line 252, in
    74663 check_for_drawing_change 
    74664 trig.activate_trigger('graphics update', self) 
    74665 File
    74666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74667 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74668 trigger.activate(data) 
    74669 File
    74670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74671 packages/chimerax/core/triggerset.py", line 190, in activate 
    74672 ret = handler.invoke(data, self._remove_bad_handlers) 
    74673 File
    74674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74675 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74676 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74677 File
    74678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74679 packages/chimerax/core/session.py", line 943, in <lambda> 
    74680 logger.report_exception(preface=preface)) 
    74681 File
    74682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74683 packages/chimerax/core/logger.py", line 421, in report_exception 
    74684 elif probably_chimera1_session(exc_info): 
    74685 File
    74686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74687 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74688 etype, evalue, etraceback = exc_info 
    74689 TypeError: cannot unpack non-iterable NoneType object 
    74690  
    74691 TypeError: cannot unpack non-iterable NoneType object 
    74692  
    74693 File
    74694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74695 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74696 etype, evalue, etraceback = exc_info 
    74697  
    74698 See log for complete Python traceback. 
    74699  
    74700 Traceback (most recent call last): 
    74701 File
    74702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74703 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74704 return self._func(self._name, data) 
    74705 File
    74706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74707 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74708 if v.display: 
    74709 File
    74710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74711 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74712 return self._any_displayed_positions and len(self._positions) > 0 
    74713 TypeError: object of type 'NoneType' has no len() 
    74714  
    74715 During handling of the above exception, another exception occurred: 
    74716  
    74717 Traceback (most recent call last): 
    74718 File
    74719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74720 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74721 if not self.draw_new_frame(): 
    74722 File
    74723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74724 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74725 changed = view.check_for_drawing_change() 
    74726 File
    74727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74728 packages/chimerax/core/graphics/view.py", line 252, in
    74729 check_for_drawing_change 
    74730 trig.activate_trigger('graphics update', self) 
    74731 File
    74732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74733 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74734 trigger.activate(data) 
    74735 File
    74736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74737 packages/chimerax/core/triggerset.py", line 190, in activate 
    74738 ret = handler.invoke(data, self._remove_bad_handlers) 
    74739 File
    74740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74741 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74742 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74743 File
    74744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74745 packages/chimerax/core/session.py", line 943, in <lambda> 
    74746 logger.report_exception(preface=preface)) 
    74747 File
    74748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74749 packages/chimerax/core/logger.py", line 421, in report_exception 
    74750 elif probably_chimera1_session(exc_info): 
    74751 File
    74752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74753 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74754 etype, evalue, etraceback = exc_info 
    74755 TypeError: cannot unpack non-iterable NoneType object 
    74756  
    74757 TypeError: cannot unpack non-iterable NoneType object 
    74758  
    74759 File
    74760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74761 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74762 etype, evalue, etraceback = exc_info 
    74763  
    74764 See log for complete Python traceback. 
    74765  
    74766 Traceback (most recent call last): 
    74767 File
    74768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74769 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74770 return self._func(self._name, data) 
    74771 File
    74772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74773 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74774 if v.display: 
    74775 File
    74776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74777 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74778 return self._any_displayed_positions and len(self._positions) > 0 
    74779 TypeError: object of type 'NoneType' has no len() 
    74780  
    74781 During handling of the above exception, another exception occurred: 
    74782  
    74783 Traceback (most recent call last): 
    74784 File
    74785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74786 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74787 if not self.draw_new_frame(): 
    74788 File
    74789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74790 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74791 changed = view.check_for_drawing_change() 
    74792 File
    74793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74794 packages/chimerax/core/graphics/view.py", line 252, in
    74795 check_for_drawing_change 
    74796 trig.activate_trigger('graphics update', self) 
    74797 File
    74798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74799 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74800 trigger.activate(data) 
    74801 File
    74802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74803 packages/chimerax/core/triggerset.py", line 190, in activate 
    74804 ret = handler.invoke(data, self._remove_bad_handlers) 
    74805 File
    74806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74807 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74808 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74809 File
    74810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74811 packages/chimerax/core/session.py", line 943, in <lambda> 
    74812 logger.report_exception(preface=preface)) 
    74813 File
    74814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74815 packages/chimerax/core/logger.py", line 421, in report_exception 
    74816 elif probably_chimera1_session(exc_info): 
    74817 File
    74818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74819 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74820 etype, evalue, etraceback = exc_info 
    74821 TypeError: cannot unpack non-iterable NoneType object 
    74822  
    74823 TypeError: cannot unpack non-iterable NoneType object 
    74824  
    74825 File
    74826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74827 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74828 etype, evalue, etraceback = exc_info 
    74829  
    74830 See log for complete Python traceback. 
    74831  
    74832 Traceback (most recent call last): 
    74833 File
    74834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74835 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74836 return self._func(self._name, data) 
    74837 File
    74838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74839 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74840 if v.display: 
    74841 File
    74842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74843 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74844 return self._any_displayed_positions and len(self._positions) > 0 
    74845 TypeError: object of type 'NoneType' has no len() 
    74846  
    74847 During handling of the above exception, another exception occurred: 
    74848  
    74849 Traceback (most recent call last): 
    74850 File
    74851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74852 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74853 if not self.draw_new_frame(): 
    74854 File
    74855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74856 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74857 changed = view.check_for_drawing_change() 
    74858 File
    74859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74860 packages/chimerax/core/graphics/view.py", line 252, in
    74861 check_for_drawing_change 
    74862 trig.activate_trigger('graphics update', self) 
    74863 File
    74864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74865 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74866 trigger.activate(data) 
    74867 File
    74868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74869 packages/chimerax/core/triggerset.py", line 190, in activate 
    74870 ret = handler.invoke(data, self._remove_bad_handlers) 
    74871 File
    74872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74873 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74874 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74875 File
    74876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74877 packages/chimerax/core/session.py", line 943, in <lambda> 
    74878 logger.report_exception(preface=preface)) 
    74879 File
    74880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74881 packages/chimerax/core/logger.py", line 421, in report_exception 
    74882 elif probably_chimera1_session(exc_info): 
    74883 File
    74884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74885 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74886 etype, evalue, etraceback = exc_info 
    74887 TypeError: cannot unpack non-iterable NoneType object 
    74888  
    74889 TypeError: cannot unpack non-iterable NoneType object 
    74890  
    74891 File
    74892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74893 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74894 etype, evalue, etraceback = exc_info 
    74895  
    74896 See log for complete Python traceback. 
    74897  
    74898 Traceback (most recent call last): 
    74899 File
    74900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74901 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74902 return self._func(self._name, data) 
    74903 File
    74904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74905 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74906 if v.display: 
    74907 File
    74908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74909 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74910 return self._any_displayed_positions and len(self._positions) > 0 
    74911 TypeError: object of type 'NoneType' has no len() 
    74912  
    74913 During handling of the above exception, another exception occurred: 
    74914  
    74915 Traceback (most recent call last): 
    74916 File
    74917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74918 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74919 if not self.draw_new_frame(): 
    74920 File
    74921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74922 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74923 changed = view.check_for_drawing_change() 
    74924 File
    74925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74926 packages/chimerax/core/graphics/view.py", line 252, in
    74927 check_for_drawing_change 
    74928 trig.activate_trigger('graphics update', self) 
    74929 File
    74930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74931 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74932 trigger.activate(data) 
    74933 File
    74934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74935 packages/chimerax/core/triggerset.py", line 190, in activate 
    74936 ret = handler.invoke(data, self._remove_bad_handlers) 
    74937 File
    74938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74939 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74940 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74941 File
    74942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74943 packages/chimerax/core/session.py", line 943, in <lambda> 
    74944 logger.report_exception(preface=preface)) 
    74945 File
    74946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74947 packages/chimerax/core/logger.py", line 421, in report_exception 
    74948 elif probably_chimera1_session(exc_info): 
    74949 File
    74950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74951 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74952 etype, evalue, etraceback = exc_info 
    74953 TypeError: cannot unpack non-iterable NoneType object 
    74954  
    74955 TypeError: cannot unpack non-iterable NoneType object 
    74956  
    74957 File
    74958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74959 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74960 etype, evalue, etraceback = exc_info 
    74961  
    74962 See log for complete Python traceback. 
    74963  
    74964 Traceback (most recent call last): 
    74965 File
    74966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74967 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74968 return self._func(self._name, data) 
    74969 File
    74970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74971 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74972 if v.display: 
    74973 File
    74974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74975 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74976 return self._any_displayed_positions and len(self._positions) > 0 
    74977 TypeError: object of type 'NoneType' has no len() 
    74978  
    74979 During handling of the above exception, another exception occurred: 
    74980  
    74981 Traceback (most recent call last): 
    74982 File
    74983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74984 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74985 if not self.draw_new_frame(): 
    74986 File
    74987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74988 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74989 changed = view.check_for_drawing_change() 
    74990 File
    74991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74992 packages/chimerax/core/graphics/view.py", line 252, in
    74993 check_for_drawing_change 
    74994 trig.activate_trigger('graphics update', self) 
    74995 File
    74996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74997 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74998 trigger.activate(data) 
    74999 File
    75000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75001 packages/chimerax/core/triggerset.py", line 190, in activate 
    75002 ret = handler.invoke(data, self._remove_bad_handlers) 
    75003 File
    75004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75005 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75006 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75007 File
    75008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75009 packages/chimerax/core/session.py", line 943, in <lambda> 
    75010 logger.report_exception(preface=preface)) 
    75011 File
    75012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75013 packages/chimerax/core/logger.py", line 421, in report_exception 
    75014 elif probably_chimera1_session(exc_info): 
    75015 File
    75016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75017 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75018 etype, evalue, etraceback = exc_info 
    75019 TypeError: cannot unpack non-iterable NoneType object 
    75020  
    75021 TypeError: cannot unpack non-iterable NoneType object 
    75022  
    75023 File
    75024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75025 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75026 etype, evalue, etraceback = exc_info 
    75027  
    75028 See log for complete Python traceback. 
    75029  
    75030 Traceback (most recent call last): 
    75031 File
    75032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75033 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75034 return self._func(self._name, data) 
    75035 File
    75036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75037 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75038 if v.display: 
    75039 File
    75040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75041 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75042 return self._any_displayed_positions and len(self._positions) > 0 
    75043 TypeError: object of type 'NoneType' has no len() 
    75044  
    75045 During handling of the above exception, another exception occurred: 
    75046  
    75047 Traceback (most recent call last): 
    75048 File
    75049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75050 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75051 if not self.draw_new_frame(): 
    75052 File
    75053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75054 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75055 changed = view.check_for_drawing_change() 
    75056 File
    75057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75058 packages/chimerax/core/graphics/view.py", line 252, in
    75059 check_for_drawing_change 
    75060 trig.activate_trigger('graphics update', self) 
    75061 File
    75062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75063 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75064 trigger.activate(data) 
    75065 File
    75066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75067 packages/chimerax/core/triggerset.py", line 190, in activate 
    75068 ret = handler.invoke(data, self._remove_bad_handlers) 
    75069 File
    75070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75071 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75072 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75073 File
    75074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75075 packages/chimerax/core/session.py", line 943, in <lambda> 
    75076 logger.report_exception(preface=preface)) 
    75077 File
    75078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75079 packages/chimerax/core/logger.py", line 421, in report_exception 
    75080 elif probably_chimera1_session(exc_info): 
    75081 File
    75082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75083 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75084 etype, evalue, etraceback = exc_info 
    75085 TypeError: cannot unpack non-iterable NoneType object 
    75086  
    75087 TypeError: cannot unpack non-iterable NoneType object 
    75088  
    75089 File
    75090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75091 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75092 etype, evalue, etraceback = exc_info 
    75093  
    75094 See log for complete Python traceback. 
    75095  
    75096 Traceback (most recent call last): 
    75097 File
    75098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75099 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75100 return self._func(self._name, data) 
    75101 File
    75102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75103 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75104 if v.display: 
    75105 File
    75106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75107 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75108 return self._any_displayed_positions and len(self._positions) > 0 
    75109 TypeError: object of type 'NoneType' has no len() 
    75110  
    75111 During handling of the above exception, another exception occurred: 
    75112  
    75113 Traceback (most recent call last): 
    75114 File
    75115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75116 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75117 if not self.draw_new_frame(): 
    75118 File
    75119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75120 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75121 changed = view.check_for_drawing_change() 
    75122 File
    75123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75124 packages/chimerax/core/graphics/view.py", line 252, in
    75125 check_for_drawing_change 
    75126 trig.activate_trigger('graphics update', self) 
    75127 File
    75128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75129 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75130 trigger.activate(data) 
    75131 File
    75132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75133 packages/chimerax/core/triggerset.py", line 190, in activate 
    75134 ret = handler.invoke(data, self._remove_bad_handlers) 
    75135 File
    75136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75137 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75138 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75139 File
    75140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75141 packages/chimerax/core/session.py", line 943, in <lambda> 
    75142 logger.report_exception(preface=preface)) 
    75143 File
    75144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75145 packages/chimerax/core/logger.py", line 421, in report_exception 
    75146 elif probably_chimera1_session(exc_info): 
    75147 File
    75148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75149 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75150 etype, evalue, etraceback = exc_info 
    75151 TypeError: cannot unpack non-iterable NoneType object 
    75152  
    75153 TypeError: cannot unpack non-iterable NoneType object 
    75154  
    75155 File
    75156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75157 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75158 etype, evalue, etraceback = exc_info 
    75159  
    75160 See log for complete Python traceback. 
    75161  
    75162 Traceback (most recent call last): 
    75163 File
    75164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75165 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75166 return self._func(self._name, data) 
    75167 File
    75168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75169 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75170 if v.display: 
    75171 File
    75172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75173 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75174 return self._any_displayed_positions and len(self._positions) > 0 
    75175 TypeError: object of type 'NoneType' has no len() 
    75176  
    75177 During handling of the above exception, another exception occurred: 
    75178  
    75179 Traceback (most recent call last): 
    75180 File
    75181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75182 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75183 if not self.draw_new_frame(): 
    75184 File
    75185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75186 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75187 changed = view.check_for_drawing_change() 
    75188 File
    75189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75190 packages/chimerax/core/graphics/view.py", line 252, in
    75191 check_for_drawing_change 
    75192 trig.activate_trigger('graphics update', self) 
    75193 File
    75194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75195 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75196 trigger.activate(data) 
    75197 File
    75198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75199 packages/chimerax/core/triggerset.py", line 190, in activate 
    75200 ret = handler.invoke(data, self._remove_bad_handlers) 
    75201 File
    75202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75203 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75204 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75205 File
    75206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75207 packages/chimerax/core/session.py", line 943, in <lambda> 
    75208 logger.report_exception(preface=preface)) 
    75209 File
    75210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75211 packages/chimerax/core/logger.py", line 421, in report_exception 
    75212 elif probably_chimera1_session(exc_info): 
    75213 File
    75214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75215 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75216 etype, evalue, etraceback = exc_info 
    75217 TypeError: cannot unpack non-iterable NoneType object 
    75218  
    75219 TypeError: cannot unpack non-iterable NoneType object 
    75220  
    75221 File
    75222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75223 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75224 etype, evalue, etraceback = exc_info 
    75225  
    75226 See log for complete Python traceback. 
    75227  
    75228 Traceback (most recent call last): 
    75229 File
    75230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75231 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75232 return self._func(self._name, data) 
    75233 File
    75234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75235 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75236 if v.display: 
    75237 File
    75238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75239 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75240 return self._any_displayed_positions and len(self._positions) > 0 
    75241 TypeError: object of type 'NoneType' has no len() 
    75242  
    75243 During handling of the above exception, another exception occurred: 
    75244  
    75245 Traceback (most recent call last): 
    75246 File
    75247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75248 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75249 if not self.draw_new_frame(): 
    75250 File
    75251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75252 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75253 changed = view.check_for_drawing_change() 
    75254 File
    75255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75256 packages/chimerax/core/graphics/view.py", line 252, in
    75257 check_for_drawing_change 
    75258 trig.activate_trigger('graphics update', self) 
    75259 File
    75260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75261 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75262 trigger.activate(data) 
    75263 File
    75264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75265 packages/chimerax/core/triggerset.py", line 190, in activate 
    75266 ret = handler.invoke(data, self._remove_bad_handlers) 
    75267 File
    75268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75269 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75270 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75271 File
    75272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75273 packages/chimerax/core/session.py", line 943, in <lambda> 
    75274 logger.report_exception(preface=preface)) 
    75275 File
    75276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75277 packages/chimerax/core/logger.py", line 421, in report_exception 
    75278 elif probably_chimera1_session(exc_info): 
    75279 File
    75280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75281 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75282 etype, evalue, etraceback = exc_info 
    75283 TypeError: cannot unpack non-iterable NoneType object 
    75284  
    75285 TypeError: cannot unpack non-iterable NoneType object 
    75286  
    75287 File
    75288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75289 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75290 etype, evalue, etraceback = exc_info 
    75291  
    75292 See log for complete Python traceback. 
    75293  
    75294 Traceback (most recent call last): 
    75295 File
    75296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75297 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75298 return self._func(self._name, data) 
    75299 File
    75300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75301 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75302 if v.display: 
    75303 File
    75304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75305 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75306 return self._any_displayed_positions and len(self._positions) > 0 
    75307 TypeError: object of type 'NoneType' has no len() 
    75308  
    75309 During handling of the above exception, another exception occurred: 
    75310  
    75311 Traceback (most recent call last): 
    75312 File
    75313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75314 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75315 if not self.draw_new_frame(): 
    75316 File
    75317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75318 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75319 changed = view.check_for_drawing_change() 
    75320 File
    75321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75322 packages/chimerax/core/graphics/view.py", line 252, in
    75323 check_for_drawing_change 
    75324 trig.activate_trigger('graphics update', self) 
    75325 File
    75326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75327 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75328 trigger.activate(data) 
    75329 File
    75330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75331 packages/chimerax/core/triggerset.py", line 190, in activate 
    75332 ret = handler.invoke(data, self._remove_bad_handlers) 
    75333 File
    75334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75335 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75336 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75337 File
    75338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75339 packages/chimerax/core/session.py", line 943, in <lambda> 
    75340 logger.report_exception(preface=preface)) 
    75341 File
    75342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75343 packages/chimerax/core/logger.py", line 421, in report_exception 
    75344 elif probably_chimera1_session(exc_info): 
    75345 File
    75346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75347 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75348 etype, evalue, etraceback = exc_info 
    75349 TypeError: cannot unpack non-iterable NoneType object 
    75350  
    75351 TypeError: cannot unpack non-iterable NoneType object 
    75352  
    75353 File
    75354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75355 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75356 etype, evalue, etraceback = exc_info 
    75357  
    75358 See log for complete Python traceback. 
    75359  
    75360 Traceback (most recent call last): 
    75361 File
    75362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75363 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75364 return self._func(self._name, data) 
    75365 File
    75366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75367 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75368 if v.display: 
    75369 File
    75370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75371 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75372 return self._any_displayed_positions and len(self._positions) > 0 
    75373 TypeError: object of type 'NoneType' has no len() 
    75374  
    75375 During handling of the above exception, another exception occurred: 
    75376  
    75377 Traceback (most recent call last): 
    75378 File
    75379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75380 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75381 if not self.draw_new_frame(): 
    75382 File
    75383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75384 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75385 changed = view.check_for_drawing_change() 
    75386 File
    75387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75388 packages/chimerax/core/graphics/view.py", line 252, in
    75389 check_for_drawing_change 
    75390 trig.activate_trigger('graphics update', self) 
    75391 File
    75392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75393 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75394 trigger.activate(data) 
    75395 File
    75396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75397 packages/chimerax/core/triggerset.py", line 190, in activate 
    75398 ret = handler.invoke(data, self._remove_bad_handlers) 
    75399 File
    75400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75401 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75402 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75403 File
    75404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75405 packages/chimerax/core/session.py", line 943, in <lambda> 
    75406 logger.report_exception(preface=preface)) 
    75407 File
    75408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75409 packages/chimerax/core/logger.py", line 421, in report_exception 
    75410 elif probably_chimera1_session(exc_info): 
    75411 File
    75412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75413 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75414 etype, evalue, etraceback = exc_info 
    75415 TypeError: cannot unpack non-iterable NoneType object 
    75416  
    75417 TypeError: cannot unpack non-iterable NoneType object 
    75418  
    75419 File
    75420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75421 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75422 etype, evalue, etraceback = exc_info 
    75423  
    75424 See log for complete Python traceback. 
    75425  
    75426 Traceback (most recent call last): 
    75427 File
    75428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75429 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75430 return self._func(self._name, data) 
    75431 File
    75432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75433 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75434 if v.display: 
    75435 File
    75436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75437 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75438 return self._any_displayed_positions and len(self._positions) > 0 
    75439 TypeError: object of type 'NoneType' has no len() 
    75440  
    75441 During handling of the above exception, another exception occurred: 
    75442  
    75443 Traceback (most recent call last): 
    75444 File
    75445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75446 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75447 if not self.draw_new_frame(): 
    75448 File
    75449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75450 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75451 changed = view.check_for_drawing_change() 
    75452 File
    75453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75454 packages/chimerax/core/graphics/view.py", line 252, in
    75455 check_for_drawing_change 
    75456 trig.activate_trigger('graphics update', self) 
    75457 File
    75458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75459 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75460 trigger.activate(data) 
    75461 File
    75462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75463 packages/chimerax/core/triggerset.py", line 190, in activate 
    75464 ret = handler.invoke(data, self._remove_bad_handlers) 
    75465 File
    75466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75467 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75468 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75469 File
    75470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75471 packages/chimerax/core/session.py", line 943, in <lambda> 
    75472 logger.report_exception(preface=preface)) 
    75473 File
    75474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75475 packages/chimerax/core/logger.py", line 421, in report_exception 
    75476 elif probably_chimera1_session(exc_info): 
    75477 File
    75478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75479 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75480 etype, evalue, etraceback = exc_info 
    75481 TypeError: cannot unpack non-iterable NoneType object 
    75482  
    75483 TypeError: cannot unpack non-iterable NoneType object 
    75484  
    75485 File
    75486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75487 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75488 etype, evalue, etraceback = exc_info 
    75489  
    75490 See log for complete Python traceback. 
    75491  
    75492 Traceback (most recent call last): 
    75493 File
    75494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75495 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75496 return self._func(self._name, data) 
    75497 File
    75498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75499 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75500 if v.display: 
    75501 File
    75502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75503 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75504 return self._any_displayed_positions and len(self._positions) > 0 
    75505 TypeError: object of type 'NoneType' has no len() 
    75506  
    75507 During handling of the above exception, another exception occurred: 
    75508  
    75509 Traceback (most recent call last): 
    75510 File
    75511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75512 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75513 if not self.draw_new_frame(): 
    75514 File
    75515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75516 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75517 changed = view.check_for_drawing_change() 
    75518 File
    75519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75520 packages/chimerax/core/graphics/view.py", line 252, in
    75521 check_for_drawing_change 
    75522 trig.activate_trigger('graphics update', self) 
    75523 File
    75524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75525 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75526 trigger.activate(data) 
    75527 File
    75528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75529 packages/chimerax/core/triggerset.py", line 190, in activate 
    75530 ret = handler.invoke(data, self._remove_bad_handlers) 
    75531 File
    75532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75533 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75534 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75535 File
    75536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75537 packages/chimerax/core/session.py", line 943, in <lambda> 
    75538 logger.report_exception(preface=preface)) 
    75539 File
    75540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75541 packages/chimerax/core/logger.py", line 421, in report_exception 
    75542 elif probably_chimera1_session(exc_info): 
    75543 File
    75544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75545 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75546 etype, evalue, etraceback = exc_info 
    75547 TypeError: cannot unpack non-iterable NoneType object 
    75548  
    75549 TypeError: cannot unpack non-iterable NoneType object 
    75550  
    75551 File
    75552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75553 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75554 etype, evalue, etraceback = exc_info 
    75555  
    75556 See log for complete Python traceback. 
    75557  
    75558 Traceback (most recent call last): 
    75559 File
    75560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75561 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75562 return self._func(self._name, data) 
    75563 File
    75564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75565 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75566 if v.display: 
    75567 File
    75568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75569 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75570 return self._any_displayed_positions and len(self._positions) > 0 
    75571 TypeError: object of type 'NoneType' has no len() 
    75572  
    75573 During handling of the above exception, another exception occurred: 
    75574  
    75575 Traceback (most recent call last): 
    75576 File
    75577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75578 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75579 if not self.draw_new_frame(): 
    75580 File
    75581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75582 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75583 changed = view.check_for_drawing_change() 
    75584 File
    75585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75586 packages/chimerax/core/graphics/view.py", line 252, in
    75587 check_for_drawing_change 
    75588 trig.activate_trigger('graphics update', self) 
    75589 File
    75590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75591 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75592 trigger.activate(data) 
    75593 File
    75594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75595 packages/chimerax/core/triggerset.py", line 190, in activate 
    75596 ret = handler.invoke(data, self._remove_bad_handlers) 
    75597 File
    75598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75599 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75600 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75601 File
    75602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75603 packages/chimerax/core/session.py", line 943, in <lambda> 
    75604 logger.report_exception(preface=preface)) 
    75605 File
    75606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75607 packages/chimerax/core/logger.py", line 421, in report_exception 
    75608 elif probably_chimera1_session(exc_info): 
    75609 File
    75610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75611 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75612 etype, evalue, etraceback = exc_info 
    75613 TypeError: cannot unpack non-iterable NoneType object 
    75614  
    75615 TypeError: cannot unpack non-iterable NoneType object 
    75616  
    75617 File
    75618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75619 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75620 etype, evalue, etraceback = exc_info 
    75621  
    75622 See log for complete Python traceback. 
    75623  
    75624 Traceback (most recent call last): 
    75625 File
    75626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75627 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75628 return self._func(self._name, data) 
    75629 File
    75630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75631 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75632 if v.display: 
    75633 File
    75634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75635 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75636 return self._any_displayed_positions and len(self._positions) > 0 
    75637 TypeError: object of type 'NoneType' has no len() 
    75638  
    75639 During handling of the above exception, another exception occurred: 
    75640  
    75641 Traceback (most recent call last): 
    75642 File
    75643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75644 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75645 if not self.draw_new_frame(): 
    75646 File
    75647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75648 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75649 changed = view.check_for_drawing_change() 
    75650 File
    75651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75652 packages/chimerax/core/graphics/view.py", line 252, in
    75653 check_for_drawing_change 
    75654 trig.activate_trigger('graphics update', self) 
    75655 File
    75656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75657 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75658 trigger.activate(data) 
    75659 File
    75660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75661 packages/chimerax/core/triggerset.py", line 190, in activate 
    75662 ret = handler.invoke(data, self._remove_bad_handlers) 
    75663 File
    75664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75665 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75666 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75667 File
    75668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75669 packages/chimerax/core/session.py", line 943, in <lambda> 
    75670 logger.report_exception(preface=preface)) 
    75671 File
    75672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75673 packages/chimerax/core/logger.py", line 421, in report_exception 
    75674 elif probably_chimera1_session(exc_info): 
    75675 File
    75676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75677 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75678 etype, evalue, etraceback = exc_info 
    75679 TypeError: cannot unpack non-iterable NoneType object 
    75680  
    75681 TypeError: cannot unpack non-iterable NoneType object 
    75682  
    75683 File
    75684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75685 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75686 etype, evalue, etraceback = exc_info 
    75687  
    75688 See log for complete Python traceback. 
    75689  
    75690 Traceback (most recent call last): 
    75691 File
    75692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75693 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75694 return self._func(self._name, data) 
    75695 File
    75696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75697 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75698 if v.display: 
    75699 File
    75700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75701 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75702 return self._any_displayed_positions and len(self._positions) > 0 
    75703 TypeError: object of type 'NoneType' has no len() 
    75704  
    75705 During handling of the above exception, another exception occurred: 
    75706  
    75707 Traceback (most recent call last): 
    75708 File
    75709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75710 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75711 if not self.draw_new_frame(): 
    75712 File
    75713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75714 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75715 changed = view.check_for_drawing_change() 
    75716 File
    75717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75718 packages/chimerax/core/graphics/view.py", line 252, in
    75719 check_for_drawing_change 
    75720 trig.activate_trigger('graphics update', self) 
    75721 File
    75722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75723 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75724 trigger.activate(data) 
    75725 File
    75726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75727 packages/chimerax/core/triggerset.py", line 190, in activate 
    75728 ret = handler.invoke(data, self._remove_bad_handlers) 
    75729 File
    75730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75731 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75732 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75733 File
    75734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75735 packages/chimerax/core/session.py", line 943, in <lambda> 
    75736 logger.report_exception(preface=preface)) 
    75737 File
    75738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75739 packages/chimerax/core/logger.py", line 421, in report_exception 
    75740 elif probably_chimera1_session(exc_info): 
    75741 File
    75742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75743 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75744 etype, evalue, etraceback = exc_info 
    75745 TypeError: cannot unpack non-iterable NoneType object 
    75746  
    75747 TypeError: cannot unpack non-iterable NoneType object 
    75748  
    75749 File
    75750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75751 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75752 etype, evalue, etraceback = exc_info 
    75753  
    75754 See log for complete Python traceback. 
    75755  
    75756 Traceback (most recent call last): 
    75757 File
    75758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75759 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75760 return self._func(self._name, data) 
    75761 File
    75762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75763 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75764 if v.display: 
    75765 File
    75766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75767 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75768 return self._any_displayed_positions and len(self._positions) > 0 
    75769 TypeError: object of type 'NoneType' has no len() 
    75770  
    75771 During handling of the above exception, another exception occurred: 
    75772  
    75773 Traceback (most recent call last): 
    75774 File
    75775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75776 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75777 if not self.draw_new_frame(): 
    75778 File
    75779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75780 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75781 changed = view.check_for_drawing_change() 
    75782 File
    75783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75784 packages/chimerax/core/graphics/view.py", line 252, in
    75785 check_for_drawing_change 
    75786 trig.activate_trigger('graphics update', self) 
    75787 File
    75788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75789 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75790 trigger.activate(data) 
    75791 File
    75792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75793 packages/chimerax/core/triggerset.py", line 190, in activate 
    75794 ret = handler.invoke(data, self._remove_bad_handlers) 
    75795 File
    75796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75797 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75798 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75799 File
    75800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75801 packages/chimerax/core/session.py", line 943, in <lambda> 
    75802 logger.report_exception(preface=preface)) 
    75803 File
    75804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75805 packages/chimerax/core/logger.py", line 421, in report_exception 
    75806 elif probably_chimera1_session(exc_info): 
    75807 File
    75808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75809 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75810 etype, evalue, etraceback = exc_info 
    75811 TypeError: cannot unpack non-iterable NoneType object 
    75812  
    75813 TypeError: cannot unpack non-iterable NoneType object 
    75814  
    75815 File
    75816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75817 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75818 etype, evalue, etraceback = exc_info 
    75819  
    75820 See log for complete Python traceback. 
    75821  
    75822 Traceback (most recent call last): 
    75823 File
    75824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75825 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75826 return self._func(self._name, data) 
    75827 File
    75828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75829 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75830 if v.display: 
    75831 File
    75832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75833 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75834 return self._any_displayed_positions and len(self._positions) > 0 
    75835 TypeError: object of type 'NoneType' has no len() 
    75836  
    75837 During handling of the above exception, another exception occurred: 
    75838  
    75839 Traceback (most recent call last): 
    75840 File
    75841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75842 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75843 if not self.draw_new_frame(): 
    75844 File
    75845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75846 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75847 changed = view.check_for_drawing_change() 
    75848 File
    75849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75850 packages/chimerax/core/graphics/view.py", line 252, in
    75851 check_for_drawing_change 
    75852 trig.activate_trigger('graphics update', self) 
    75853 File
    75854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75855 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75856 trigger.activate(data) 
    75857 File
    75858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75859 packages/chimerax/core/triggerset.py", line 190, in activate 
    75860 ret = handler.invoke(data, self._remove_bad_handlers) 
    75861 File
    75862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75863 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75864 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75865 File
    75866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75867 packages/chimerax/core/session.py", line 943, in <lambda> 
    75868 logger.report_exception(preface=preface)) 
    75869 File
    75870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75871 packages/chimerax/core/logger.py", line 421, in report_exception 
    75872 elif probably_chimera1_session(exc_info): 
    75873 File
    75874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75875 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75876 etype, evalue, etraceback = exc_info 
    75877 TypeError: cannot unpack non-iterable NoneType object 
    75878  
    75879 TypeError: cannot unpack non-iterable NoneType object 
    75880  
    75881 File
    75882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75883 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75884 etype, evalue, etraceback = exc_info 
    75885  
    75886 See log for complete Python traceback. 
    75887  
    75888 Traceback (most recent call last): 
    75889 File
    75890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75891 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75892 return self._func(self._name, data) 
    75893 File
    75894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75895 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75896 if v.display: 
    75897 File
    75898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75899 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75900 return self._any_displayed_positions and len(self._positions) > 0 
    75901 TypeError: object of type 'NoneType' has no len() 
    75902  
    75903 During handling of the above exception, another exception occurred: 
    75904  
    75905 Traceback (most recent call last): 
    75906 File
    75907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75908 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75909 if not self.draw_new_frame(): 
    75910 File
    75911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75912 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75913 changed = view.check_for_drawing_change() 
    75914 File
    75915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75916 packages/chimerax/core/graphics/view.py", line 252, in
    75917 check_for_drawing_change 
    75918 trig.activate_trigger('graphics update', self) 
    75919 File
    75920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75921 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75922 trigger.activate(data) 
    75923 File
    75924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75925 packages/chimerax/core/triggerset.py", line 190, in activate 
    75926 ret = handler.invoke(data, self._remove_bad_handlers) 
    75927 File
    75928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75929 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75930 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75931 File
    75932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75933 packages/chimerax/core/session.py", line 943, in <lambda> 
    75934 logger.report_exception(preface=preface)) 
    75935 File
    75936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75937 packages/chimerax/core/logger.py", line 421, in report_exception 
    75938 elif probably_chimera1_session(exc_info): 
    75939 File
    75940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75941 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75942 etype, evalue, etraceback = exc_info 
    75943 TypeError: cannot unpack non-iterable NoneType object 
    75944  
    75945 TypeError: cannot unpack non-iterable NoneType object 
    75946  
    75947 File
    75948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75949 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75950 etype, evalue, etraceback = exc_info 
    75951  
    75952 See log for complete Python traceback. 
    75953  
    75954 Traceback (most recent call last): 
    75955 File
    75956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75957 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75958 return self._func(self._name, data) 
    75959 File
    75960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75961 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75962 if v.display: 
    75963 File
    75964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75965 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75966 return self._any_displayed_positions and len(self._positions) > 0 
    75967 TypeError: object of type 'NoneType' has no len() 
    75968  
    75969 During handling of the above exception, another exception occurred: 
    75970  
    75971 Traceback (most recent call last): 
    75972 File
    75973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75974 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75975 if not self.draw_new_frame(): 
    75976 File
    75977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75978 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75979 changed = view.check_for_drawing_change() 
    75980 File
    75981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75982 packages/chimerax/core/graphics/view.py", line 252, in
    75983 check_for_drawing_change 
    75984 trig.activate_trigger('graphics update', self) 
    75985 File
    75986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75987 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75988 trigger.activate(data) 
    75989 File
    75990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75991 packages/chimerax/core/triggerset.py", line 190, in activate 
    75992 ret = handler.invoke(data, self._remove_bad_handlers) 
    75993 File
    75994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75995 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75996 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75997 File
    75998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75999 packages/chimerax/core/session.py", line 943, in <lambda> 
    76000 logger.report_exception(preface=preface)) 
    76001 File
    76002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76003 packages/chimerax/core/logger.py", line 421, in report_exception 
    76004 elif probably_chimera1_session(exc_info): 
    76005 File
    76006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76007 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76008 etype, evalue, etraceback = exc_info 
    76009 TypeError: cannot unpack non-iterable NoneType object 
    76010  
    76011 TypeError: cannot unpack non-iterable NoneType object 
    76012  
    76013 File
    76014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76015 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76016 etype, evalue, etraceback = exc_info 
    76017  
    76018 See log for complete Python traceback. 
    76019  
    76020 Traceback (most recent call last): 
    76021 File
    76022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76023 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76024 return self._func(self._name, data) 
    76025 File
    76026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76027 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76028 if v.display: 
    76029 File
    76030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76031 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76032 return self._any_displayed_positions and len(self._positions) > 0 
    76033 TypeError: object of type 'NoneType' has no len() 
    76034  
    76035 During handling of the above exception, another exception occurred: 
    76036  
    76037 Traceback (most recent call last): 
    76038 File
    76039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76040 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76041 if not self.draw_new_frame(): 
    76042 File
    76043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76044 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76045 changed = view.check_for_drawing_change() 
    76046 File
    76047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76048 packages/chimerax/core/graphics/view.py", line 252, in
    76049 check_for_drawing_change 
    76050 trig.activate_trigger('graphics update', self) 
    76051 File
    76052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76053 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76054 trigger.activate(data) 
    76055 File
    76056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76057 packages/chimerax/core/triggerset.py", line 190, in activate 
    76058 ret = handler.invoke(data, self._remove_bad_handlers) 
    76059 File
    76060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76061 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76062 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76063 File
    76064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76065 packages/chimerax/core/session.py", line 943, in <lambda> 
    76066 logger.report_exception(preface=preface)) 
    76067 File
    76068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76069 packages/chimerax/core/logger.py", line 421, in report_exception 
    76070 elif probably_chimera1_session(exc_info): 
    76071 File
    76072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76073 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76074 etype, evalue, etraceback = exc_info 
    76075 TypeError: cannot unpack non-iterable NoneType object 
    76076  
    76077 TypeError: cannot unpack non-iterable NoneType object 
    76078  
    76079 File
    76080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76081 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76082 etype, evalue, etraceback = exc_info 
    76083  
    76084 See log for complete Python traceback. 
    76085  
    76086 Traceback (most recent call last): 
    76087 File
    76088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76089 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76090 return self._func(self._name, data) 
    76091 File
    76092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76093 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76094 if v.display: 
    76095 File
    76096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76097 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76098 return self._any_displayed_positions and len(self._positions) > 0 
    76099 TypeError: object of type 'NoneType' has no len() 
    76100  
    76101 During handling of the above exception, another exception occurred: 
    76102  
    76103 Traceback (most recent call last): 
    76104 File
    76105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76106 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76107 if not self.draw_new_frame(): 
    76108 File
    76109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76110 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76111 changed = view.check_for_drawing_change() 
    76112 File
    76113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76114 packages/chimerax/core/graphics/view.py", line 252, in
    76115 check_for_drawing_change 
    76116 trig.activate_trigger('graphics update', self) 
    76117 File
    76118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76119 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76120 trigger.activate(data) 
    76121 File
    76122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76123 packages/chimerax/core/triggerset.py", line 190, in activate 
    76124 ret = handler.invoke(data, self._remove_bad_handlers) 
    76125 File
    76126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76127 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76128 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76129 File
    76130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76131 packages/chimerax/core/session.py", line 943, in <lambda> 
    76132 logger.report_exception(preface=preface)) 
    76133 File
    76134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76135 packages/chimerax/core/logger.py", line 421, in report_exception 
    76136 elif probably_chimera1_session(exc_info): 
    76137 File
    76138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76139 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76140 etype, evalue, etraceback = exc_info 
    76141 TypeError: cannot unpack non-iterable NoneType object 
    76142  
    76143 TypeError: cannot unpack non-iterable NoneType object 
    76144  
    76145 File
    76146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76147 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76148 etype, evalue, etraceback = exc_info 
    76149  
    76150 See log for complete Python traceback. 
    76151  
    76152 Traceback (most recent call last): 
    76153 File
    76154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76155 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76156 return self._func(self._name, data) 
    76157 File
    76158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76159 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76160 if v.display: 
    76161 File
    76162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76163 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76164 return self._any_displayed_positions and len(self._positions) > 0 
    76165 TypeError: object of type 'NoneType' has no len() 
    76166  
    76167 During handling of the above exception, another exception occurred: 
    76168  
    76169 Traceback (most recent call last): 
    76170 File
    76171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76172 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76173 if not self.draw_new_frame(): 
    76174 File
    76175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76176 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76177 changed = view.check_for_drawing_change() 
    76178 File
    76179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76180 packages/chimerax/core/graphics/view.py", line 252, in
    76181 check_for_drawing_change 
    76182 trig.activate_trigger('graphics update', self) 
    76183 File
    76184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76185 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76186 trigger.activate(data) 
    76187 File
    76188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76189 packages/chimerax/core/triggerset.py", line 190, in activate 
    76190 ret = handler.invoke(data, self._remove_bad_handlers) 
    76191 File
    76192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76193 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76194 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76195 File
    76196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76197 packages/chimerax/core/session.py", line 943, in <lambda> 
    76198 logger.report_exception(preface=preface)) 
    76199 File
    76200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76201 packages/chimerax/core/logger.py", line 421, in report_exception 
    76202 elif probably_chimera1_session(exc_info): 
    76203 File
    76204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76205 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76206 etype, evalue, etraceback = exc_info 
    76207 TypeError: cannot unpack non-iterable NoneType object 
    76208  
    76209 TypeError: cannot unpack non-iterable NoneType object 
    76210  
    76211 File
    76212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76213 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76214 etype, evalue, etraceback = exc_info 
    76215  
    76216 See log for complete Python traceback. 
    76217  
    76218 Traceback (most recent call last): 
    76219 File
    76220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76221 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76222 return self._func(self._name, data) 
    76223 File
    76224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76225 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76226 if v.display: 
    76227 File
    76228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76229 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76230 return self._any_displayed_positions and len(self._positions) > 0 
    76231 TypeError: object of type 'NoneType' has no len() 
    76232  
    76233 During handling of the above exception, another exception occurred: 
    76234  
    76235 Traceback (most recent call last): 
    76236 File
    76237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76238 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76239 if not self.draw_new_frame(): 
    76240 File
    76241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76242 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76243 changed = view.check_for_drawing_change() 
    76244 File
    76245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76246 packages/chimerax/core/graphics/view.py", line 252, in
    76247 check_for_drawing_change 
    76248 trig.activate_trigger('graphics update', self) 
    76249 File
    76250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76251 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76252 trigger.activate(data) 
    76253 File
    76254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76255 packages/chimerax/core/triggerset.py", line 190, in activate 
    76256 ret = handler.invoke(data, self._remove_bad_handlers) 
    76257 File
    76258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76259 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76260 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76261 File
    76262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76263 packages/chimerax/core/session.py", line 943, in <lambda> 
    76264 logger.report_exception(preface=preface)) 
    76265 File
    76266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76267 packages/chimerax/core/logger.py", line 421, in report_exception 
    76268 elif probably_chimera1_session(exc_info): 
    76269 File
    76270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76271 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76272 etype, evalue, etraceback = exc_info 
    76273 TypeError: cannot unpack non-iterable NoneType object 
    76274  
    76275 TypeError: cannot unpack non-iterable NoneType object 
    76276  
    76277 File
    76278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76279 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76280 etype, evalue, etraceback = exc_info 
    76281  
    76282 See log for complete Python traceback. 
    76283  
    76284 Traceback (most recent call last): 
    76285 File
    76286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76287 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76288 return self._func(self._name, data) 
    76289 File
    76290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76291 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76292 if v.display: 
    76293 File
    76294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76295 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76296 return self._any_displayed_positions and len(self._positions) > 0 
    76297 TypeError: object of type 'NoneType' has no len() 
    76298  
    76299 During handling of the above exception, another exception occurred: 
    76300  
    76301 Traceback (most recent call last): 
    76302 File
    76303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76304 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76305 if not self.draw_new_frame(): 
    76306 File
    76307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76308 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76309 changed = view.check_for_drawing_change() 
    76310 File
    76311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76312 packages/chimerax/core/graphics/view.py", line 252, in
    76313 check_for_drawing_change 
    76314 trig.activate_trigger('graphics update', self) 
    76315 File
    76316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76317 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76318 trigger.activate(data) 
    76319 File
    76320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76321 packages/chimerax/core/triggerset.py", line 190, in activate 
    76322 ret = handler.invoke(data, self._remove_bad_handlers) 
    76323 File
    76324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76325 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76326 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76327 File
    76328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76329 packages/chimerax/core/session.py", line 943, in <lambda> 
    76330 logger.report_exception(preface=preface)) 
    76331 File
    76332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76333 packages/chimerax/core/logger.py", line 421, in report_exception 
    76334 elif probably_chimera1_session(exc_info): 
    76335 File
    76336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76337 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76338 etype, evalue, etraceback = exc_info 
    76339 TypeError: cannot unpack non-iterable NoneType object 
    76340  
    76341 TypeError: cannot unpack non-iterable NoneType object 
    76342  
    76343 File
    76344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76345 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76346 etype, evalue, etraceback = exc_info 
    76347  
    76348 See log for complete Python traceback. 
    76349  
    76350 Traceback (most recent call last): 
    76351 File
    76352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76353 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76354 return self._func(self._name, data) 
    76355 File
    76356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76357 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76358 if v.display: 
    76359 File
    76360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76361 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76362 return self._any_displayed_positions and len(self._positions) > 0 
    76363 TypeError: object of type 'NoneType' has no len() 
    76364  
    76365 During handling of the above exception, another exception occurred: 
    76366  
    76367 Traceback (most recent call last): 
    76368 File
    76369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76370 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76371 if not self.draw_new_frame(): 
    76372 File
    76373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76374 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76375 changed = view.check_for_drawing_change() 
    76376 File
    76377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76378 packages/chimerax/core/graphics/view.py", line 252, in
    76379 check_for_drawing_change 
    76380 trig.activate_trigger('graphics update', self) 
    76381 File
    76382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76383 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76384 trigger.activate(data) 
    76385 File
    76386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76387 packages/chimerax/core/triggerset.py", line 190, in activate 
    76388 ret = handler.invoke(data, self._remove_bad_handlers) 
    76389 File
    76390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76391 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76392 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76393 File
    76394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76395 packages/chimerax/core/session.py", line 943, in <lambda> 
    76396 logger.report_exception(preface=preface)) 
    76397 File
    76398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76399 packages/chimerax/core/logger.py", line 421, in report_exception 
    76400 elif probably_chimera1_session(exc_info): 
    76401 File
    76402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76403 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76404 etype, evalue, etraceback = exc_info 
    76405 TypeError: cannot unpack non-iterable NoneType object 
    76406  
    76407 TypeError: cannot unpack non-iterable NoneType object 
    76408  
    76409 File
    76410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76411 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76412 etype, evalue, etraceback = exc_info 
    76413  
    76414 See log for complete Python traceback. 
    76415  
    76416 Traceback (most recent call last): 
    76417 File
    76418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76419 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76420 return self._func(self._name, data) 
    76421 File
    76422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76423 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76424 if v.display: 
    76425 File
    76426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76427 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76428 return self._any_displayed_positions and len(self._positions) > 0 
    76429 TypeError: object of type 'NoneType' has no len() 
    76430  
    76431 During handling of the above exception, another exception occurred: 
    76432  
    76433 Traceback (most recent call last): 
    76434 File
    76435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76436 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76437 if not self.draw_new_frame(): 
    76438 File
    76439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76440 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76441 changed = view.check_for_drawing_change() 
    76442 File
    76443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76444 packages/chimerax/core/graphics/view.py", line 252, in
    76445 check_for_drawing_change 
    76446 trig.activate_trigger('graphics update', self) 
    76447 File
    76448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76449 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76450 trigger.activate(data) 
    76451 File
    76452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76453 packages/chimerax/core/triggerset.py", line 190, in activate 
    76454 ret = handler.invoke(data, self._remove_bad_handlers) 
    76455 File
    76456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76457 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76458 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76459 File
    76460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76461 packages/chimerax/core/session.py", line 943, in <lambda> 
    76462 logger.report_exception(preface=preface)) 
    76463 File
    76464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76465 packages/chimerax/core/logger.py", line 421, in report_exception 
    76466 elif probably_chimera1_session(exc_info): 
    76467 File
    76468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76469 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76470 etype, evalue, etraceback = exc_info 
    76471 TypeError: cannot unpack non-iterable NoneType object 
    76472  
    76473 TypeError: cannot unpack non-iterable NoneType object 
    76474  
    76475 File
    76476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76477 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76478 etype, evalue, etraceback = exc_info 
    76479  
    76480 See log for complete Python traceback. 
    76481  
    76482 Traceback (most recent call last): 
    76483 File
    76484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76485 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76486 return self._func(self._name, data) 
    76487 File
    76488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76489 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76490 if v.display: 
    76491 File
    76492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76493 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76494 return self._any_displayed_positions and len(self._positions) > 0 
    76495 TypeError: object of type 'NoneType' has no len() 
    76496  
    76497 During handling of the above exception, another exception occurred: 
    76498  
    76499 Traceback (most recent call last): 
    76500 File
    76501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76502 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76503 if not self.draw_new_frame(): 
    76504 File
    76505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76506 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76507 changed = view.check_for_drawing_change() 
    76508 File
    76509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76510 packages/chimerax/core/graphics/view.py", line 252, in
    76511 check_for_drawing_change 
    76512 trig.activate_trigger('graphics update', self) 
    76513 File
    76514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76515 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76516 trigger.activate(data) 
    76517 File
    76518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76519 packages/chimerax/core/triggerset.py", line 190, in activate 
    76520 ret = handler.invoke(data, self._remove_bad_handlers) 
    76521 File
    76522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76523 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76524 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76525 File
    76526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76527 packages/chimerax/core/session.py", line 943, in <lambda> 
    76528 logger.report_exception(preface=preface)) 
    76529 File
    76530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76531 packages/chimerax/core/logger.py", line 421, in report_exception 
    76532 elif probably_chimera1_session(exc_info): 
    76533 File
    76534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76535 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76536 etype, evalue, etraceback = exc_info 
    76537 TypeError: cannot unpack non-iterable NoneType object 
    76538  
    76539 TypeError: cannot unpack non-iterable NoneType object 
    76540  
    76541 File
    76542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76543 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76544 etype, evalue, etraceback = exc_info 
    76545  
    76546 See log for complete Python traceback. 
    76547  
    76548 Traceback (most recent call last): 
    76549 File
    76550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76551 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76552 return self._func(self._name, data) 
    76553 File
    76554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76555 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76556 if v.display: 
    76557 File
    76558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76559 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76560 return self._any_displayed_positions and len(self._positions) > 0 
    76561 TypeError: object of type 'NoneType' has no len() 
    76562  
    76563 During handling of the above exception, another exception occurred: 
    76564  
    76565 Traceback (most recent call last): 
    76566 File
    76567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76568 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76569 if not self.draw_new_frame(): 
    76570 File
    76571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76572 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76573 changed = view.check_for_drawing_change() 
    76574 File
    76575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76576 packages/chimerax/core/graphics/view.py", line 252, in
    76577 check_for_drawing_change 
    76578 trig.activate_trigger('graphics update', self) 
    76579 File
    76580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76581 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76582 trigger.activate(data) 
    76583 File
    76584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76585 packages/chimerax/core/triggerset.py", line 190, in activate 
    76586 ret = handler.invoke(data, self._remove_bad_handlers) 
    76587 File
    76588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76589 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76590 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76591 File
    76592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76593 packages/chimerax/core/session.py", line 943, in <lambda> 
    76594 logger.report_exception(preface=preface)) 
    76595 File
    76596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76597 packages/chimerax/core/logger.py", line 421, in report_exception 
    76598 elif probably_chimera1_session(exc_info): 
    76599 File
    76600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76601 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76602 etype, evalue, etraceback = exc_info 
    76603 TypeError: cannot unpack non-iterable NoneType object 
    76604  
    76605 TypeError: cannot unpack non-iterable NoneType object 
    76606  
    76607 File
    76608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76609 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76610 etype, evalue, etraceback = exc_info 
    76611  
    76612 See log for complete Python traceback. 
    76613  
    76614 Traceback (most recent call last): 
    76615 File
    76616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76617 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76618 return self._func(self._name, data) 
    76619 File
    76620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76621 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76622 if v.display: 
    76623 File
    76624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76625 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76626 return self._any_displayed_positions and len(self._positions) > 0 
    76627 TypeError: object of type 'NoneType' has no len() 
    76628  
    76629 During handling of the above exception, another exception occurred: 
    76630  
    76631 Traceback (most recent call last): 
    76632 File
    76633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76634 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76635 if not self.draw_new_frame(): 
    76636 File
    76637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76638 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76639 changed = view.check_for_drawing_change() 
    76640 File
    76641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76642 packages/chimerax/core/graphics/view.py", line 252, in
    76643 check_for_drawing_change 
    76644 trig.activate_trigger('graphics update', self) 
    76645 File
    76646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76647 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76648 trigger.activate(data) 
    76649 File
    76650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76651 packages/chimerax/core/triggerset.py", line 190, in activate 
    76652 ret = handler.invoke(data, self._remove_bad_handlers) 
    76653 File
    76654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76655 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76656 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76657 File
    76658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76659 packages/chimerax/core/session.py", line 943, in <lambda> 
    76660 logger.report_exception(preface=preface)) 
    76661 File
    76662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76663 packages/chimerax/core/logger.py", line 421, in report_exception 
    76664 elif probably_chimera1_session(exc_info): 
    76665 File
    76666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76667 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76668 etype, evalue, etraceback = exc_info 
    76669 TypeError: cannot unpack non-iterable NoneType object 
    76670  
    76671 TypeError: cannot unpack non-iterable NoneType object 
    76672  
    76673 File
    76674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76675 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76676 etype, evalue, etraceback = exc_info 
    76677  
    76678 See log for complete Python traceback. 
    76679  
    76680 Traceback (most recent call last): 
    76681 File
    76682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76683 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76684 return self._func(self._name, data) 
    76685 File
    76686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76687 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76688 if v.display: 
    76689 File
    76690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76691 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76692 return self._any_displayed_positions and len(self._positions) > 0 
    76693 TypeError: object of type 'NoneType' has no len() 
    76694  
    76695 During handling of the above exception, another exception occurred: 
    76696  
    76697 Traceback (most recent call last): 
    76698 File
    76699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76700 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76701 if not self.draw_new_frame(): 
    76702 File
    76703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76704 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76705 changed = view.check_for_drawing_change() 
    76706 File
    76707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76708 packages/chimerax/core/graphics/view.py", line 252, in
    76709 check_for_drawing_change 
    76710 trig.activate_trigger('graphics update', self) 
    76711 File
    76712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76713 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76714 trigger.activate(data) 
    76715 File
    76716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76717 packages/chimerax/core/triggerset.py", line 190, in activate 
    76718 ret = handler.invoke(data, self._remove_bad_handlers) 
    76719 File
    76720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76721 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76722 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76723 File
    76724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76725 packages/chimerax/core/session.py", line 943, in <lambda> 
    76726 logger.report_exception(preface=preface)) 
    76727 File
    76728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76729 packages/chimerax/core/logger.py", line 421, in report_exception 
    76730 elif probably_chimera1_session(exc_info): 
    76731 File
    76732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76733 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76734 etype, evalue, etraceback = exc_info 
    76735 TypeError: cannot unpack non-iterable NoneType object 
    76736  
    76737 TypeError: cannot unpack non-iterable NoneType object 
    76738  
    76739 File
    76740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76741 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76742 etype, evalue, etraceback = exc_info 
    76743  
    76744 See log for complete Python traceback. 
    76745  
    76746 Traceback (most recent call last): 
    76747 File
    76748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76749 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76750 return self._func(self._name, data) 
    76751 File
    76752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76753 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76754 if v.display: 
    76755 File
    76756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76757 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76758 return self._any_displayed_positions and len(self._positions) > 0 
    76759 TypeError: object of type 'NoneType' has no len() 
    76760  
    76761 During handling of the above exception, another exception occurred: 
    76762  
    76763 Traceback (most recent call last): 
    76764 File
    76765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76766 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76767 if not self.draw_new_frame(): 
    76768 File
    76769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76770 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76771 changed = view.check_for_drawing_change() 
    76772 File
    76773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76774 packages/chimerax/core/graphics/view.py", line 252, in
    76775 check_for_drawing_change 
    76776 trig.activate_trigger('graphics update', self) 
    76777 File
    76778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76779 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76780 trigger.activate(data) 
    76781 File
    76782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76783 packages/chimerax/core/triggerset.py", line 190, in activate 
    76784 ret = handler.invoke(data, self._remove_bad_handlers) 
    76785 File
    76786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76787 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76788 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76789 File
    76790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76791 packages/chimerax/core/session.py", line 943, in <lambda> 
    76792 logger.report_exception(preface=preface)) 
    76793 File
    76794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76795 packages/chimerax/core/logger.py", line 421, in report_exception 
    76796 elif probably_chimera1_session(exc_info): 
    76797 File
    76798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76799 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76800 etype, evalue, etraceback = exc_info 
    76801 TypeError: cannot unpack non-iterable NoneType object 
    76802  
    76803 TypeError: cannot unpack non-iterable NoneType object 
    76804  
    76805 File
    76806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76807 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76808 etype, evalue, etraceback = exc_info 
    76809  
    76810 See log for complete Python traceback. 
    76811  
    76812 Traceback (most recent call last): 
    76813 File
    76814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76815 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76816 return self._func(self._name, data) 
    76817 File
    76818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76819 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76820 if v.display: 
    76821 File
    76822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76823 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76824 return self._any_displayed_positions and len(self._positions) > 0 
    76825 TypeError: object of type 'NoneType' has no len() 
    76826  
    76827 During handling of the above exception, another exception occurred: 
    76828  
    76829 Traceback (most recent call last): 
    76830 File
    76831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76832 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76833 if not self.draw_new_frame(): 
    76834 File
    76835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76836 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76837 changed = view.check_for_drawing_change() 
    76838 File
    76839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76840 packages/chimerax/core/graphics/view.py", line 252, in
    76841 check_for_drawing_change 
    76842 trig.activate_trigger('graphics update', self) 
    76843 File
    76844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76845 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76846 trigger.activate(data) 
    76847 File
    76848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76849 packages/chimerax/core/triggerset.py", line 190, in activate 
    76850 ret = handler.invoke(data, self._remove_bad_handlers) 
    76851 File
    76852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76853 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76854 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76855 File
    76856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76857 packages/chimerax/core/session.py", line 943, in <lambda> 
    76858 logger.report_exception(preface=preface)) 
    76859 File
    76860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76861 packages/chimerax/core/logger.py", line 421, in report_exception 
    76862 elif probably_chimera1_session(exc_info): 
    76863 File
    76864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76865 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76866 etype, evalue, etraceback = exc_info 
    76867 TypeError: cannot unpack non-iterable NoneType object 
    76868  
    76869 TypeError: cannot unpack non-iterable NoneType object 
    76870  
    76871 File
    76872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76873 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76874 etype, evalue, etraceback = exc_info 
    76875  
    76876 See log for complete Python traceback. 
    76877  
    76878 Traceback (most recent call last): 
    76879 File
    76880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76881 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76882 return self._func(self._name, data) 
    76883 File
    76884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76885 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76886 if v.display: 
    76887 File
    76888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76889 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76890 return self._any_displayed_positions and len(self._positions) > 0 
    76891 TypeError: object of type 'NoneType' has no len() 
    76892  
    76893 During handling of the above exception, another exception occurred: 
    76894  
    76895 Traceback (most recent call last): 
    76896 File
    76897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76898 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76899 if not self.draw_new_frame(): 
    76900 File
    76901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76902 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76903 changed = view.check_for_drawing_change() 
    76904 File
    76905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76906 packages/chimerax/core/graphics/view.py", line 252, in
    76907 check_for_drawing_change 
    76908 trig.activate_trigger('graphics update', self) 
    76909 File
    76910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76911 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76912 trigger.activate(data) 
    76913 File
    76914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76915 packages/chimerax/core/triggerset.py", line 190, in activate 
    76916 ret = handler.invoke(data, self._remove_bad_handlers) 
    76917 File
    76918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76919 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76920 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76921 File
    76922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76923 packages/chimerax/core/session.py", line 943, in <lambda> 
    76924 logger.report_exception(preface=preface)) 
    76925 File
    76926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76927 packages/chimerax/core/logger.py", line 421, in report_exception 
    76928 elif probably_chimera1_session(exc_info): 
    76929 File
    76930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76931 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76932 etype, evalue, etraceback = exc_info 
    76933 TypeError: cannot unpack non-iterable NoneType object 
    76934  
    76935 TypeError: cannot unpack non-iterable NoneType object 
    76936  
    76937 File
    76938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76939 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76940 etype, evalue, etraceback = exc_info 
    76941  
    76942 See log for complete Python traceback. 
    76943  
    76944 Traceback (most recent call last): 
    76945 File
    76946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76947 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76948 return self._func(self._name, data) 
    76949 File
    76950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76951 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76952 if v.display: 
    76953 File
    76954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76955 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76956 return self._any_displayed_positions and len(self._positions) > 0 
    76957 TypeError: object of type 'NoneType' has no len() 
    76958  
    76959 During handling of the above exception, another exception occurred: 
    76960  
    76961 Traceback (most recent call last): 
    76962 File
    76963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76964 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76965 if not self.draw_new_frame(): 
    76966 File
    76967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76968 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76969 changed = view.check_for_drawing_change() 
    76970 File
    76971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76972 packages/chimerax/core/graphics/view.py", line 252, in
    76973 check_for_drawing_change 
    76974 trig.activate_trigger('graphics update', self) 
    76975 File
    76976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76977 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76978 trigger.activate(data) 
    76979 File
    76980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76981 packages/chimerax/core/triggerset.py", line 190, in activate 
    76982 ret = handler.invoke(data, self._remove_bad_handlers) 
    76983 File
    76984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76985 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76986 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76987 File
    76988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76989 packages/chimerax/core/session.py", line 943, in <lambda> 
    76990 logger.report_exception(preface=preface)) 
    76991 File
    76992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76993 packages/chimerax/core/logger.py", line 421, in report_exception 
    76994 elif probably_chimera1_session(exc_info): 
    76995 File
    76996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76997 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76998 etype, evalue, etraceback = exc_info 
    76999 TypeError: cannot unpack non-iterable NoneType object 
    77000  
    77001 TypeError: cannot unpack non-iterable NoneType object 
    77002  
    77003 File
    77004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77005 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77006 etype, evalue, etraceback = exc_info 
    77007  
    77008 See log for complete Python traceback. 
    77009  
    77010 Traceback (most recent call last): 
    77011 File
    77012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77013 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77014 return self._func(self._name, data) 
    77015 File
    77016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77017 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77018 if v.display: 
    77019 File
    77020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77021 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77022 return self._any_displayed_positions and len(self._positions) > 0 
    77023 TypeError: object of type 'NoneType' has no len() 
    77024  
    77025 During handling of the above exception, another exception occurred: 
    77026  
    77027 Traceback (most recent call last): 
    77028 File
    77029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77030 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77031 if not self.draw_new_frame(): 
    77032 File
    77033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77034 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77035 changed = view.check_for_drawing_change() 
    77036 File
    77037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77038 packages/chimerax/core/graphics/view.py", line 252, in
    77039 check_for_drawing_change 
    77040 trig.activate_trigger('graphics update', self) 
    77041 File
    77042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77043 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77044 trigger.activate(data) 
    77045 File
    77046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77047 packages/chimerax/core/triggerset.py", line 190, in activate 
    77048 ret = handler.invoke(data, self._remove_bad_handlers) 
    77049 File
    77050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77051 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77052 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77053 File
    77054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77055 packages/chimerax/core/session.py", line 943, in <lambda> 
    77056 logger.report_exception(preface=preface)) 
    77057 File
    77058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77059 packages/chimerax/core/logger.py", line 421, in report_exception 
    77060 elif probably_chimera1_session(exc_info): 
    77061 File
    77062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77063 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77064 etype, evalue, etraceback = exc_info 
    77065 TypeError: cannot unpack non-iterable NoneType object 
    77066  
    77067 TypeError: cannot unpack non-iterable NoneType object 
    77068  
    77069 File
    77070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77071 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77072 etype, evalue, etraceback = exc_info 
    77073  
    77074 See log for complete Python traceback. 
    77075  
    77076 Traceback (most recent call last): 
    77077 File
    77078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77079 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77080 return self._func(self._name, data) 
    77081 File
    77082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77083 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77084 if v.display: 
    77085 File
    77086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77087 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77088 return self._any_displayed_positions and len(self._positions) > 0 
    77089 TypeError: object of type 'NoneType' has no len() 
    77090  
    77091 During handling of the above exception, another exception occurred: 
    77092  
    77093 Traceback (most recent call last): 
    77094 File
    77095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77096 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77097 if not self.draw_new_frame(): 
    77098 File
    77099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77100 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77101 changed = view.check_for_drawing_change() 
    77102 File
    77103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77104 packages/chimerax/core/graphics/view.py", line 252, in
    77105 check_for_drawing_change 
    77106 trig.activate_trigger('graphics update', self) 
    77107 File
    77108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77109 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77110 trigger.activate(data) 
    77111 File
    77112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77113 packages/chimerax/core/triggerset.py", line 190, in activate 
    77114 ret = handler.invoke(data, self._remove_bad_handlers) 
    77115 File
    77116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77117 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77118 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77119 File
    77120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77121 packages/chimerax/core/session.py", line 943, in <lambda> 
    77122 logger.report_exception(preface=preface)) 
    77123 File
    77124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77125 packages/chimerax/core/logger.py", line 421, in report_exception 
    77126 elif probably_chimera1_session(exc_info): 
    77127 File
    77128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77129 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77130 etype, evalue, etraceback = exc_info 
    77131 TypeError: cannot unpack non-iterable NoneType object 
    77132  
    77133 TypeError: cannot unpack non-iterable NoneType object 
    77134  
    77135 File
    77136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77137 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77138 etype, evalue, etraceback = exc_info 
    77139  
    77140 See log for complete Python traceback. 
    77141  
    77142 Traceback (most recent call last): 
    77143 File
    77144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77145 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77146 return self._func(self._name, data) 
    77147 File
    77148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77149 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77150 if v.display: 
    77151 File
    77152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77153 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77154 return self._any_displayed_positions and len(self._positions) > 0 
    77155 TypeError: object of type 'NoneType' has no len() 
    77156  
    77157 During handling of the above exception, another exception occurred: 
    77158  
    77159 Traceback (most recent call last): 
    77160 File
    77161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77162 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77163 if not self.draw_new_frame(): 
    77164 File
    77165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77166 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77167 changed = view.check_for_drawing_change() 
    77168 File
    77169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77170 packages/chimerax/core/graphics/view.py", line 252, in
    77171 check_for_drawing_change 
    77172 trig.activate_trigger('graphics update', self) 
    77173 File
    77174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77175 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77176 trigger.activate(data) 
    77177 File
    77178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77179 packages/chimerax/core/triggerset.py", line 190, in activate 
    77180 ret = handler.invoke(data, self._remove_bad_handlers) 
    77181 File
    77182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77183 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77184 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77185 File
    77186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77187 packages/chimerax/core/session.py", line 943, in <lambda> 
    77188 logger.report_exception(preface=preface)) 
    77189 File
    77190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77191 packages/chimerax/core/logger.py", line 421, in report_exception 
    77192 elif probably_chimera1_session(exc_info): 
    77193 File
    77194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77195 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77196 etype, evalue, etraceback = exc_info 
    77197 TypeError: cannot unpack non-iterable NoneType object 
    77198  
    77199 TypeError: cannot unpack non-iterable NoneType object 
    77200  
    77201 File
    77202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77203 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77204 etype, evalue, etraceback = exc_info 
    77205  
    77206 See log for complete Python traceback. 
    77207  
    77208 Traceback (most recent call last): 
    77209 File
    77210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77211 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77212 return self._func(self._name, data) 
    77213 File
    77214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77215 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77216 if v.display: 
    77217 File
    77218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77219 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77220 return self._any_displayed_positions and len(self._positions) > 0 
    77221 TypeError: object of type 'NoneType' has no len() 
    77222  
    77223 During handling of the above exception, another exception occurred: 
    77224  
    77225 Traceback (most recent call last): 
    77226 File
    77227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77228 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77229 if not self.draw_new_frame(): 
    77230 File
    77231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77232 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77233 changed = view.check_for_drawing_change() 
    77234 File
    77235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77236 packages/chimerax/core/graphics/view.py", line 252, in
    77237 check_for_drawing_change 
    77238 trig.activate_trigger('graphics update', self) 
    77239 File
    77240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77241 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77242 trigger.activate(data) 
    77243 File
    77244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77245 packages/chimerax/core/triggerset.py", line 190, in activate 
    77246 ret = handler.invoke(data, self._remove_bad_handlers) 
    77247 File
    77248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77249 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77250 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77251 File
    77252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77253 packages/chimerax/core/session.py", line 943, in <lambda> 
    77254 logger.report_exception(preface=preface)) 
    77255 File
    77256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77257 packages/chimerax/core/logger.py", line 421, in report_exception 
    77258 elif probably_chimera1_session(exc_info): 
    77259 File
    77260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77261 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77262 etype, evalue, etraceback = exc_info 
    77263 TypeError: cannot unpack non-iterable NoneType object 
    77264  
    77265 TypeError: cannot unpack non-iterable NoneType object 
    77266  
    77267 File
    77268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77269 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77270 etype, evalue, etraceback = exc_info 
    77271  
    77272 See log for complete Python traceback. 
    77273  
    77274 Traceback (most recent call last): 
    77275 File
    77276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77277 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77278 return self._func(self._name, data) 
    77279 File
    77280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77281 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77282 if v.display: 
    77283 File
    77284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77285 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77286 return self._any_displayed_positions and len(self._positions) > 0 
    77287 TypeError: object of type 'NoneType' has no len() 
    77288  
    77289 During handling of the above exception, another exception occurred: 
    77290  
    77291 Traceback (most recent call last): 
    77292 File
    77293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77294 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77295 if not self.draw_new_frame(): 
    77296 File
    77297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77298 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77299 changed = view.check_for_drawing_change() 
    77300 File
    77301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77302 packages/chimerax/core/graphics/view.py", line 252, in
    77303 check_for_drawing_change 
    77304 trig.activate_trigger('graphics update', self) 
    77305 File
    77306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77307 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77308 trigger.activate(data) 
    77309 File
    77310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77311 packages/chimerax/core/triggerset.py", line 190, in activate 
    77312 ret = handler.invoke(data, self._remove_bad_handlers) 
    77313 File
    77314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77315 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77316 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77317 File
    77318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77319 packages/chimerax/core/session.py", line 943, in <lambda> 
    77320 logger.report_exception(preface=preface)) 
    77321 File
    77322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77323 packages/chimerax/core/logger.py", line 421, in report_exception 
    77324 elif probably_chimera1_session(exc_info): 
    77325 File
    77326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77327 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77328 etype, evalue, etraceback = exc_info 
    77329 TypeError: cannot unpack non-iterable NoneType object 
    77330  
    77331 TypeError: cannot unpack non-iterable NoneType object 
    77332  
    77333 File
    77334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77335 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77336 etype, evalue, etraceback = exc_info 
    77337  
    77338 See log for complete Python traceback. 
    77339  
    77340 Traceback (most recent call last): 
    77341 File
    77342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77343 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77344 return self._func(self._name, data) 
    77345 File
    77346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77347 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77348 if v.display: 
    77349 File
    77350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77351 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77352 return self._any_displayed_positions and len(self._positions) > 0 
    77353 TypeError: object of type 'NoneType' has no len() 
    77354  
    77355 During handling of the above exception, another exception occurred: 
    77356  
    77357 Traceback (most recent call last): 
    77358 File
    77359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77360 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77361 if not self.draw_new_frame(): 
    77362 File
    77363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77364 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77365 changed = view.check_for_drawing_change() 
    77366 File
    77367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77368 packages/chimerax/core/graphics/view.py", line 252, in
    77369 check_for_drawing_change 
    77370 trig.activate_trigger('graphics update', self) 
    77371 File
    77372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77373 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77374 trigger.activate(data) 
    77375 File
    77376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77377 packages/chimerax/core/triggerset.py", line 190, in activate 
    77378 ret = handler.invoke(data, self._remove_bad_handlers) 
    77379 File
    77380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77381 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77382 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77383 File
    77384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77385 packages/chimerax/core/session.py", line 943, in <lambda> 
    77386 logger.report_exception(preface=preface)) 
    77387 File
    77388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77389 packages/chimerax/core/logger.py", line 421, in report_exception 
    77390 elif probably_chimera1_session(exc_info): 
    77391 File
    77392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77393 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77394 etype, evalue, etraceback = exc_info 
    77395 TypeError: cannot unpack non-iterable NoneType object 
    77396  
    77397 TypeError: cannot unpack non-iterable NoneType object 
    77398  
    77399 File
    77400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77401 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77402 etype, evalue, etraceback = exc_info 
    77403  
    77404 See log for complete Python traceback. 
    77405  
    77406 Traceback (most recent call last): 
    77407 File
    77408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77409 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77410 return self._func(self._name, data) 
    77411 File
    77412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77413 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77414 if v.display: 
    77415 File
    77416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77417 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77418 return self._any_displayed_positions and len(self._positions) > 0 
    77419 TypeError: object of type 'NoneType' has no len() 
    77420  
    77421 During handling of the above exception, another exception occurred: 
    77422  
    77423 Traceback (most recent call last): 
    77424 File
    77425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77426 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77427 if not self.draw_new_frame(): 
    77428 File
    77429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77430 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77431 changed = view.check_for_drawing_change() 
    77432 File
    77433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77434 packages/chimerax/core/graphics/view.py", line 252, in
    77435 check_for_drawing_change 
    77436 trig.activate_trigger('graphics update', self) 
    77437 File
    77438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77439 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77440 trigger.activate(data) 
    77441 File
    77442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77443 packages/chimerax/core/triggerset.py", line 190, in activate 
    77444 ret = handler.invoke(data, self._remove_bad_handlers) 
    77445 File
    77446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77447 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77448 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77449 File
    77450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77451 packages/chimerax/core/session.py", line 943, in <lambda> 
    77452 logger.report_exception(preface=preface)) 
    77453 File
    77454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77455 packages/chimerax/core/logger.py", line 421, in report_exception 
    77456 elif probably_chimera1_session(exc_info): 
    77457 File
    77458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77459 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77460 etype, evalue, etraceback = exc_info 
    77461 TypeError: cannot unpack non-iterable NoneType object 
    77462  
    77463 TypeError: cannot unpack non-iterable NoneType object 
    77464  
    77465 File
    77466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77467 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77468 etype, evalue, etraceback = exc_info 
    77469  
    77470 See log for complete Python traceback. 
    77471  
    77472 Traceback (most recent call last): 
    77473 File
    77474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77475 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77476 return self._func(self._name, data) 
    77477 File
    77478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77479 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77480 if v.display: 
    77481 File
    77482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77483 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77484 return self._any_displayed_positions and len(self._positions) > 0 
    77485 TypeError: object of type 'NoneType' has no len() 
    77486  
    77487 During handling of the above exception, another exception occurred: 
    77488  
    77489 Traceback (most recent call last): 
    77490 File
    77491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77492 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77493 if not self.draw_new_frame(): 
    77494 File
    77495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77496 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77497 changed = view.check_for_drawing_change() 
    77498 File
    77499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77500 packages/chimerax/core/graphics/view.py", line 252, in
    77501 check_for_drawing_change 
    77502 trig.activate_trigger('graphics update', self) 
    77503 File
    77504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77505 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77506 trigger.activate(data) 
    77507 File
    77508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77509 packages/chimerax/core/triggerset.py", line 190, in activate 
    77510 ret = handler.invoke(data, self._remove_bad_handlers) 
    77511 File
    77512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77513 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77514 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77515 File
    77516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77517 packages/chimerax/core/session.py", line 943, in <lambda> 
    77518 logger.report_exception(preface=preface)) 
    77519 File
    77520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77521 packages/chimerax/core/logger.py", line 421, in report_exception 
    77522 elif probably_chimera1_session(exc_info): 
    77523 File
    77524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77525 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77526 etype, evalue, etraceback = exc_info 
    77527 TypeError: cannot unpack non-iterable NoneType object 
    77528  
    77529 TypeError: cannot unpack non-iterable NoneType object 
    77530  
    77531 File
    77532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77533 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77534 etype, evalue, etraceback = exc_info 
    77535  
    77536 See log for complete Python traceback. 
    77537  
    77538 Traceback (most recent call last): 
    77539 File
    77540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77541 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77542 return self._func(self._name, data) 
    77543 File
    77544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77545 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77546 if v.display: 
    77547 File
    77548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77549 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77550 return self._any_displayed_positions and len(self._positions) > 0 
    77551 TypeError: object of type 'NoneType' has no len() 
    77552  
    77553 During handling of the above exception, another exception occurred: 
    77554  
    77555 Traceback (most recent call last): 
    77556 File
    77557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77558 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77559 if not self.draw_new_frame(): 
    77560 File
    77561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77562 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77563 changed = view.check_for_drawing_change() 
    77564 File
    77565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77566 packages/chimerax/core/graphics/view.py", line 252, in
    77567 check_for_drawing_change 
    77568 trig.activate_trigger('graphics update', self) 
    77569 File
    77570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77571 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77572 trigger.activate(data) 
    77573 File
    77574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77575 packages/chimerax/core/triggerset.py", line 190, in activate 
    77576 ret = handler.invoke(data, self._remove_bad_handlers) 
    77577 File
    77578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77579 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77580 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77581 File
    77582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77583 packages/chimerax/core/session.py", line 943, in <lambda> 
    77584 logger.report_exception(preface=preface)) 
    77585 File
    77586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77587 packages/chimerax/core/logger.py", line 421, in report_exception 
    77588 elif probably_chimera1_session(exc_info): 
    77589 File
    77590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77591 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77592 etype, evalue, etraceback = exc_info 
    77593 TypeError: cannot unpack non-iterable NoneType object 
    77594  
    77595 TypeError: cannot unpack non-iterable NoneType object 
    77596  
    77597 File
    77598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77599 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77600 etype, evalue, etraceback = exc_info 
    77601  
    77602 See log for complete Python traceback. 
    77603  
    77604 Traceback (most recent call last): 
    77605 File
    77606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77607 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77608 return self._func(self._name, data) 
    77609 File
    77610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77611 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77612 if v.display: 
    77613 File
    77614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77615 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77616 return self._any_displayed_positions and len(self._positions) > 0 
    77617 TypeError: object of type 'NoneType' has no len() 
    77618  
    77619 During handling of the above exception, another exception occurred: 
    77620  
    77621 Traceback (most recent call last): 
    77622 File
    77623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77624 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77625 if not self.draw_new_frame(): 
    77626 File
    77627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77628 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77629 changed = view.check_for_drawing_change() 
    77630 File
    77631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77632 packages/chimerax/core/graphics/view.py", line 252, in
    77633 check_for_drawing_change 
    77634 trig.activate_trigger('graphics update', self) 
    77635 File
    77636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77637 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77638 trigger.activate(data) 
    77639 File
    77640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77641 packages/chimerax/core/triggerset.py", line 190, in activate 
    77642 ret = handler.invoke(data, self._remove_bad_handlers) 
    77643 File
    77644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77645 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77646 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77647 File
    77648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77649 packages/chimerax/core/session.py", line 943, in <lambda> 
    77650 logger.report_exception(preface=preface)) 
    77651 File
    77652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77653 packages/chimerax/core/logger.py", line 421, in report_exception 
    77654 elif probably_chimera1_session(exc_info): 
    77655 File
    77656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77657 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77658 etype, evalue, etraceback = exc_info 
    77659 TypeError: cannot unpack non-iterable NoneType object 
    77660  
    77661 TypeError: cannot unpack non-iterable NoneType object 
    77662  
    77663 File
    77664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77665 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77666 etype, evalue, etraceback = exc_info 
    77667  
    77668 See log for complete Python traceback. 
    77669  
    77670 Traceback (most recent call last): 
    77671 File
    77672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77673 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77674 return self._func(self._name, data) 
    77675 File
    77676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77677 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77678 if v.display: 
    77679 File
    77680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77681 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77682 return self._any_displayed_positions and len(self._positions) > 0 
    77683 TypeError: object of type 'NoneType' has no len() 
    77684  
    77685 During handling of the above exception, another exception occurred: 
    77686  
    77687 Traceback (most recent call last): 
    77688 File
    77689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77690 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77691 if not self.draw_new_frame(): 
    77692 File
    77693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77694 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77695 changed = view.check_for_drawing_change() 
    77696 File
    77697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77698 packages/chimerax/core/graphics/view.py", line 252, in
    77699 check_for_drawing_change 
    77700 trig.activate_trigger('graphics update', self) 
    77701 File
    77702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77703 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77704 trigger.activate(data) 
    77705 File
    77706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77707 packages/chimerax/core/triggerset.py", line 190, in activate 
    77708 ret = handler.invoke(data, self._remove_bad_handlers) 
    77709 File
    77710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77711 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77712 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77713 File
    77714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77715 packages/chimerax/core/session.py", line 943, in <lambda> 
    77716 logger.report_exception(preface=preface)) 
    77717 File
    77718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77719 packages/chimerax/core/logger.py", line 421, in report_exception 
    77720 elif probably_chimera1_session(exc_info): 
    77721 File
    77722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77723 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77724 etype, evalue, etraceback = exc_info 
    77725 TypeError: cannot unpack non-iterable NoneType object 
    77726  
    77727 TypeError: cannot unpack non-iterable NoneType object 
    77728  
    77729 File
    77730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77731 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77732 etype, evalue, etraceback = exc_info 
    77733  
    77734 See log for complete Python traceback. 
    77735  
    77736 Traceback (most recent call last): 
    77737 File
    77738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77739 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77740 return self._func(self._name, data) 
    77741 File
    77742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77743 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77744 if v.display: 
    77745 File
    77746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77747 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77748 return self._any_displayed_positions and len(self._positions) > 0 
    77749 TypeError: object of type 'NoneType' has no len() 
    77750  
    77751 During handling of the above exception, another exception occurred: 
    77752  
    77753 Traceback (most recent call last): 
    77754 File
    77755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77756 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77757 if not self.draw_new_frame(): 
    77758 File
    77759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77760 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77761 changed = view.check_for_drawing_change() 
    77762 File
    77763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77764 packages/chimerax/core/graphics/view.py", line 252, in
    77765 check_for_drawing_change 
    77766 trig.activate_trigger('graphics update', self) 
    77767 File
    77768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77769 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77770 trigger.activate(data) 
    77771 File
    77772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77773 packages/chimerax/core/triggerset.py", line 190, in activate 
    77774 ret = handler.invoke(data, self._remove_bad_handlers) 
    77775 File
    77776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77777 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77778 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77779 File
    77780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77781 packages/chimerax/core/session.py", line 943, in <lambda> 
    77782 logger.report_exception(preface=preface)) 
    77783 File
    77784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77785 packages/chimerax/core/logger.py", line 421, in report_exception 
    77786 elif probably_chimera1_session(exc_info): 
    77787 File
    77788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77789 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77790 etype, evalue, etraceback = exc_info 
    77791 TypeError: cannot unpack non-iterable NoneType object 
    77792  
    77793 TypeError: cannot unpack non-iterable NoneType object 
    77794  
    77795 File
    77796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77797 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77798 etype, evalue, etraceback = exc_info 
    77799  
    77800 See log for complete Python traceback. 
    77801  
    77802 Traceback (most recent call last): 
    77803 File
    77804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77805 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77806 return self._func(self._name, data) 
    77807 File
    77808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77809 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77810 if v.display: 
    77811 File
    77812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77813 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77814 return self._any_displayed_positions and len(self._positions) > 0 
    77815 TypeError: object of type 'NoneType' has no len() 
    77816  
    77817 During handling of the above exception, another exception occurred: 
    77818  
    77819 Traceback (most recent call last): 
    77820 File
    77821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77822 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77823 if not self.draw_new_frame(): 
    77824 File
    77825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77826 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77827 changed = view.check_for_drawing_change() 
    77828 File
    77829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77830 packages/chimerax/core/graphics/view.py", line 252, in
    77831 check_for_drawing_change 
    77832 trig.activate_trigger('graphics update', self) 
    77833 File
    77834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77835 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77836 trigger.activate(data) 
    77837 File
    77838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77839 packages/chimerax/core/triggerset.py", line 190, in activate 
    77840 ret = handler.invoke(data, self._remove_bad_handlers) 
    77841 File
    77842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77843 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77844 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77845 File
    77846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77847 packages/chimerax/core/session.py", line 943, in <lambda> 
    77848 logger.report_exception(preface=preface)) 
    77849 File
    77850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77851 packages/chimerax/core/logger.py", line 421, in report_exception 
    77852 elif probably_chimera1_session(exc_info): 
    77853 File
    77854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77855 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77856 etype, evalue, etraceback = exc_info 
    77857 TypeError: cannot unpack non-iterable NoneType object 
    77858  
    77859 TypeError: cannot unpack non-iterable NoneType object 
    77860  
    77861 File
    77862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77863 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77864 etype, evalue, etraceback = exc_info 
    77865  
    77866 See log for complete Python traceback. 
    77867  
    77868 Traceback (most recent call last): 
    77869 File
    77870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77871 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77872 return self._func(self._name, data) 
    77873 File
    77874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77875 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77876 if v.display: 
    77877 File
    77878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77879 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77880 return self._any_displayed_positions and len(self._positions) > 0 
    77881 TypeError: object of type 'NoneType' has no len() 
    77882  
    77883 During handling of the above exception, another exception occurred: 
    77884  
    77885 Traceback (most recent call last): 
    77886 File
    77887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77888 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77889 if not self.draw_new_frame(): 
    77890 File
    77891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77892 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77893 changed = view.check_for_drawing_change() 
    77894 File
    77895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77896 packages/chimerax/core/graphics/view.py", line 252, in
    77897 check_for_drawing_change 
    77898 trig.activate_trigger('graphics update', self) 
    77899 File
    77900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77901 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77902 trigger.activate(data) 
    77903 File
    77904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77905 packages/chimerax/core/triggerset.py", line 190, in activate 
    77906 ret = handler.invoke(data, self._remove_bad_handlers) 
    77907 File
    77908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77909 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77910 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77911 File
    77912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77913 packages/chimerax/core/session.py", line 943, in <lambda> 
    77914 logger.report_exception(preface=preface)) 
    77915 File
    77916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77917 packages/chimerax/core/logger.py", line 421, in report_exception 
    77918 elif probably_chimera1_session(exc_info): 
    77919 File
    77920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77921 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77922 etype, evalue, etraceback = exc_info 
    77923 TypeError: cannot unpack non-iterable NoneType object 
    77924  
    77925 TypeError: cannot unpack non-iterable NoneType object 
    77926  
    77927 File
    77928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77929 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77930 etype, evalue, etraceback = exc_info 
    77931  
    77932 See log for complete Python traceback. 
    77933  
    77934 Traceback (most recent call last): 
    77935 File
    77936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77937 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77938 return self._func(self._name, data) 
    77939 File
    77940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77941 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77942 if v.display: 
    77943 File
    77944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77945 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77946 return self._any_displayed_positions and len(self._positions) > 0 
    77947 TypeError: object of type 'NoneType' has no len() 
    77948  
    77949 During handling of the above exception, another exception occurred: 
    77950  
    77951 Traceback (most recent call last): 
    77952 File
    77953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77954 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77955 if not self.draw_new_frame(): 
    77956 File
    77957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77958 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77959 changed = view.check_for_drawing_change() 
    77960 File
    77961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77962 packages/chimerax/core/graphics/view.py", line 252, in
    77963 check_for_drawing_change 
    77964 trig.activate_trigger('graphics update', self) 
    77965 File
    77966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77967 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77968 trigger.activate(data) 
    77969 File
    77970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77971 packages/chimerax/core/triggerset.py", line 190, in activate 
    77972 ret = handler.invoke(data, self._remove_bad_handlers) 
    77973 File
    77974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77975 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77976 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77977 File
    77978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77979 packages/chimerax/core/session.py", line 943, in <lambda> 
    77980 logger.report_exception(preface=preface)) 
    77981 File
    77982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77983 packages/chimerax/core/logger.py", line 421, in report_exception 
    77984 elif probably_chimera1_session(exc_info): 
    77985 File
    77986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77987 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77988 etype, evalue, etraceback = exc_info 
    77989 TypeError: cannot unpack non-iterable NoneType object 
    77990  
    77991 TypeError: cannot unpack non-iterable NoneType object 
    77992  
    77993 File
    77994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77995 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77996 etype, evalue, etraceback = exc_info 
    77997  
    77998 See log for complete Python traceback. 
    77999  
    78000 Traceback (most recent call last): 
    78001 File
    78002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78003 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78004 return self._func(self._name, data) 
    78005 File
    78006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78007 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78008 if v.display: 
    78009 File
    78010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78011 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78012 return self._any_displayed_positions and len(self._positions) > 0 
    78013 TypeError: object of type 'NoneType' has no len() 
    78014  
    78015 During handling of the above exception, another exception occurred: 
    78016  
    78017 Traceback (most recent call last): 
    78018 File
    78019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78020 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78021 if not self.draw_new_frame(): 
    78022 File
    78023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78024 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78025 changed = view.check_for_drawing_change() 
    78026 File
    78027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78028 packages/chimerax/core/graphics/view.py", line 252, in
    78029 check_for_drawing_change 
    78030 trig.activate_trigger('graphics update', self) 
    78031 File
    78032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78033 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78034 trigger.activate(data) 
    78035 File
    78036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78037 packages/chimerax/core/triggerset.py", line 190, in activate 
    78038 ret = handler.invoke(data, self._remove_bad_handlers) 
    78039 File
    78040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78041 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78042 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78043 File
    78044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78045 packages/chimerax/core/session.py", line 943, in <lambda> 
    78046 logger.report_exception(preface=preface)) 
    78047 File
    78048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78049 packages/chimerax/core/logger.py", line 421, in report_exception 
    78050 elif probably_chimera1_session(exc_info): 
    78051 File
    78052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78053 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78054 etype, evalue, etraceback = exc_info 
    78055 TypeError: cannot unpack non-iterable NoneType object 
    78056  
    78057 TypeError: cannot unpack non-iterable NoneType object 
    78058  
    78059 File
    78060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78061 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78062 etype, evalue, etraceback = exc_info 
    78063  
    78064 See log for complete Python traceback. 
    78065  
    78066 Traceback (most recent call last): 
    78067 File
    78068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78069 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78070 return self._func(self._name, data) 
    78071 File
    78072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78073 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78074 if v.display: 
    78075 File
    78076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78077 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78078 return self._any_displayed_positions and len(self._positions) > 0 
    78079 TypeError: object of type 'NoneType' has no len() 
    78080  
    78081 During handling of the above exception, another exception occurred: 
    78082  
    78083 Traceback (most recent call last): 
    78084 File
    78085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78086 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78087 if not self.draw_new_frame(): 
    78088 File
    78089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78090 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78091 changed = view.check_for_drawing_change() 
    78092 File
    78093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78094 packages/chimerax/core/graphics/view.py", line 252, in
    78095 check_for_drawing_change 
    78096 trig.activate_trigger('graphics update', self) 
    78097 File
    78098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78099 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78100 trigger.activate(data) 
    78101 File
    78102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78103 packages/chimerax/core/triggerset.py", line 190, in activate 
    78104 ret = handler.invoke(data, self._remove_bad_handlers) 
    78105 File
    78106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78107 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78108 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78109 File
    78110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78111 packages/chimerax/core/session.py", line 943, in <lambda> 
    78112 logger.report_exception(preface=preface)) 
    78113 File
    78114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78115 packages/chimerax/core/logger.py", line 421, in report_exception 
    78116 elif probably_chimera1_session(exc_info): 
    78117 File
    78118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78119 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78120 etype, evalue, etraceback = exc_info 
    78121 TypeError: cannot unpack non-iterable NoneType object 
    78122  
    78123 TypeError: cannot unpack non-iterable NoneType object 
    78124  
    78125 File
    78126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78127 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78128 etype, evalue, etraceback = exc_info 
    78129  
    78130 See log for complete Python traceback. 
    78131  
    78132 Traceback (most recent call last): 
    78133 File
    78134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78135 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78136 return self._func(self._name, data) 
    78137 File
    78138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78139 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78140 if v.display: 
    78141 File
    78142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78143 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78144 return self._any_displayed_positions and len(self._positions) > 0 
    78145 TypeError: object of type 'NoneType' has no len() 
    78146  
    78147 During handling of the above exception, another exception occurred: 
    78148  
    78149 Traceback (most recent call last): 
    78150 File
    78151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78152 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78153 if not self.draw_new_frame(): 
    78154 File
    78155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78156 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78157 changed = view.check_for_drawing_change() 
    78158 File
    78159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78160 packages/chimerax/core/graphics/view.py", line 252, in
    78161 check_for_drawing_change 
    78162 trig.activate_trigger('graphics update', self) 
    78163 File
    78164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78165 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78166 trigger.activate(data) 
    78167 File
    78168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78169 packages/chimerax/core/triggerset.py", line 190, in activate 
    78170 ret = handler.invoke(data, self._remove_bad_handlers) 
    78171 File
    78172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78173 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78174 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78175 File
    78176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78177 packages/chimerax/core/session.py", line 943, in <lambda> 
    78178 logger.report_exception(preface=preface)) 
    78179 File
    78180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78181 packages/chimerax/core/logger.py", line 421, in report_exception 
    78182 elif probably_chimera1_session(exc_info): 
    78183 File
    78184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78185 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78186 etype, evalue, etraceback = exc_info 
    78187 TypeError: cannot unpack non-iterable NoneType object 
    78188  
    78189 TypeError: cannot unpack non-iterable NoneType object 
    78190  
    78191 File
    78192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78193 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78194 etype, evalue, etraceback = exc_info 
    78195  
    78196 See log for complete Python traceback. 
    78197  
    78198 Traceback (most recent call last): 
    78199 File
    78200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78201 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78202 return self._func(self._name, data) 
    78203 File
    78204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78205 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78206 if v.display: 
    78207 File
    78208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78209 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78210 return self._any_displayed_positions and len(self._positions) > 0 
    78211 TypeError: object of type 'NoneType' has no len() 
    78212  
    78213 During handling of the above exception, another exception occurred: 
    78214  
    78215 Traceback (most recent call last): 
    78216 File
    78217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78218 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78219 if not self.draw_new_frame(): 
    78220 File
    78221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78222 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78223 changed = view.check_for_drawing_change() 
    78224 File
    78225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78226 packages/chimerax/core/graphics/view.py", line 252, in
    78227 check_for_drawing_change 
    78228 trig.activate_trigger('graphics update', self) 
    78229 File
    78230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78231 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78232 trigger.activate(data) 
    78233 File
    78234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78235 packages/chimerax/core/triggerset.py", line 190, in activate 
    78236 ret = handler.invoke(data, self._remove_bad_handlers) 
    78237 File
    78238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78239 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78240 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78241 File
    78242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78243 packages/chimerax/core/session.py", line 943, in <lambda> 
    78244 logger.report_exception(preface=preface)) 
    78245 File
    78246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78247 packages/chimerax/core/logger.py", line 421, in report_exception 
    78248 elif probably_chimera1_session(exc_info): 
    78249 File
    78250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78251 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78252 etype, evalue, etraceback = exc_info 
    78253 TypeError: cannot unpack non-iterable NoneType object 
    78254  
    78255 TypeError: cannot unpack non-iterable NoneType object 
    78256  
    78257 File
    78258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78259 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78260 etype, evalue, etraceback = exc_info 
    78261  
    78262 See log for complete Python traceback. 
    78263  
    78264 Traceback (most recent call last): 
    78265 File
    78266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78267 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78268 return self._func(self._name, data) 
    78269 File
    78270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78271 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78272 if v.display: 
    78273 File
    78274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78275 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78276 return self._any_displayed_positions and len(self._positions) > 0 
    78277 TypeError: object of type 'NoneType' has no len() 
    78278  
    78279 During handling of the above exception, another exception occurred: 
    78280  
    78281 Traceback (most recent call last): 
    78282 File
    78283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78284 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78285 if not self.draw_new_frame(): 
    78286 File
    78287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78288 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78289 changed = view.check_for_drawing_change() 
    78290 File
    78291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78292 packages/chimerax/core/graphics/view.py", line 252, in
    78293 check_for_drawing_change 
    78294 trig.activate_trigger('graphics update', self) 
    78295 File
    78296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78297 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78298 trigger.activate(data) 
    78299 File
    78300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78301 packages/chimerax/core/triggerset.py", line 190, in activate 
    78302 ret = handler.invoke(data, self._remove_bad_handlers) 
    78303 File
    78304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78305 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78306 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78307 File
    78308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78309 packages/chimerax/core/session.py", line 943, in <lambda> 
    78310 logger.report_exception(preface=preface)) 
    78311 File
    78312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78313 packages/chimerax/core/logger.py", line 421, in report_exception 
    78314 elif probably_chimera1_session(exc_info): 
    78315 File
    78316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78317 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78318 etype, evalue, etraceback = exc_info 
    78319 TypeError: cannot unpack non-iterable NoneType object 
    78320  
    78321 TypeError: cannot unpack non-iterable NoneType object 
    78322  
    78323 File
    78324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78325 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78326 etype, evalue, etraceback = exc_info 
    78327  
    78328 See log for complete Python traceback. 
    78329  
    78330 Traceback (most recent call last): 
    78331 File
    78332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78333 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78334 return self._func(self._name, data) 
    78335 File
    78336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78337 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78338 if v.display: 
    78339 File
    78340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78341 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78342 return self._any_displayed_positions and len(self._positions) > 0 
    78343 TypeError: object of type 'NoneType' has no len() 
    78344  
    78345 During handling of the above exception, another exception occurred: 
    78346  
    78347 Traceback (most recent call last): 
    78348 File
    78349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78350 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78351 if not self.draw_new_frame(): 
    78352 File
    78353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78354 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78355 changed = view.check_for_drawing_change() 
    78356 File
    78357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78358 packages/chimerax/core/graphics/view.py", line 252, in
    78359 check_for_drawing_change 
    78360 trig.activate_trigger('graphics update', self) 
    78361 File
    78362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78363 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78364 trigger.activate(data) 
    78365 File
    78366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78367 packages/chimerax/core/triggerset.py", line 190, in activate 
    78368 ret = handler.invoke(data, self._remove_bad_handlers) 
    78369 File
    78370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78371 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78372 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78373 File
    78374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78375 packages/chimerax/core/session.py", line 943, in <lambda> 
    78376 logger.report_exception(preface=preface)) 
    78377 File
    78378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78379 packages/chimerax/core/logger.py", line 421, in report_exception 
    78380 elif probably_chimera1_session(exc_info): 
    78381 File
    78382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78383 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78384 etype, evalue, etraceback = exc_info 
    78385 TypeError: cannot unpack non-iterable NoneType object 
    78386  
    78387 TypeError: cannot unpack non-iterable NoneType object 
    78388  
    78389 File
    78390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78391 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78392 etype, evalue, etraceback = exc_info 
    78393  
    78394 See log for complete Python traceback. 
    78395  
    78396 Traceback (most recent call last): 
    78397 File
    78398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78399 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78400 return self._func(self._name, data) 
    78401 File
    78402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78403 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78404 if v.display: 
    78405 File
    78406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78407 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78408 return self._any_displayed_positions and len(self._positions) > 0 
    78409 TypeError: object of type 'NoneType' has no len() 
    78410  
    78411 During handling of the above exception, another exception occurred: 
    78412  
    78413 Traceback (most recent call last): 
    78414 File
    78415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78416 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78417 if not self.draw_new_frame(): 
    78418 File
    78419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78420 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78421 changed = view.check_for_drawing_change() 
    78422 File
    78423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78424 packages/chimerax/core/graphics/view.py", line 252, in
    78425 check_for_drawing_change 
    78426 trig.activate_trigger('graphics update', self) 
    78427 File
    78428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78429 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78430 trigger.activate(data) 
    78431 File
    78432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78433 packages/chimerax/core/triggerset.py", line 190, in activate 
    78434 ret = handler.invoke(data, self._remove_bad_handlers) 
    78435 File
    78436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78437 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78438 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78439 File
    78440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78441 packages/chimerax/core/session.py", line 943, in <lambda> 
    78442 logger.report_exception(preface=preface)) 
    78443 File
    78444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78445 packages/chimerax/core/logger.py", line 421, in report_exception 
    78446 elif probably_chimera1_session(exc_info): 
    78447 File
    78448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78449 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78450 etype, evalue, etraceback = exc_info 
    78451 TypeError: cannot unpack non-iterable NoneType object 
    78452  
    78453 TypeError: cannot unpack non-iterable NoneType object 
    78454  
    78455 File
    78456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78457 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78458 etype, evalue, etraceback = exc_info 
    78459  
    78460 See log for complete Python traceback. 
    78461  
    78462 Traceback (most recent call last): 
    78463 File
    78464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78465 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78466 return self._func(self._name, data) 
    78467 File
    78468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78469 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78470 if v.display: 
    78471 File
    78472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78473 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78474 return self._any_displayed_positions and len(self._positions) > 0 
    78475 TypeError: object of type 'NoneType' has no len() 
    78476  
    78477 During handling of the above exception, another exception occurred: 
    78478  
    78479 Traceback (most recent call last): 
    78480 File
    78481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78482 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78483 if not self.draw_new_frame(): 
    78484 File
    78485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78486 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78487 changed = view.check_for_drawing_change() 
    78488 File
    78489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78490 packages/chimerax/core/graphics/view.py", line 252, in
    78491 check_for_drawing_change 
    78492 trig.activate_trigger('graphics update', self) 
    78493 File
    78494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78495 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78496 trigger.activate(data) 
    78497 File
    78498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78499 packages/chimerax/core/triggerset.py", line 190, in activate 
    78500 ret = handler.invoke(data, self._remove_bad_handlers) 
    78501 File
    78502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78503 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78504 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78505 File
    78506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78507 packages/chimerax/core/session.py", line 943, in <lambda> 
    78508 logger.report_exception(preface=preface)) 
    78509 File
    78510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78511 packages/chimerax/core/logger.py", line 421, in report_exception 
    78512 elif probably_chimera1_session(exc_info): 
    78513 File
    78514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78515 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78516 etype, evalue, etraceback = exc_info 
    78517 TypeError: cannot unpack non-iterable NoneType object 
    78518  
    78519 TypeError: cannot unpack non-iterable NoneType object 
    78520  
    78521 File
    78522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78523 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78524 etype, evalue, etraceback = exc_info 
    78525  
    78526 See log for complete Python traceback. 
    78527  
    78528 Traceback (most recent call last): 
    78529 File
    78530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78531 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78532 return self._func(self._name, data) 
    78533 File
    78534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78535 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78536 if v.display: 
    78537 File
    78538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78539 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78540 return self._any_displayed_positions and len(self._positions) > 0 
    78541 TypeError: object of type 'NoneType' has no len() 
    78542  
    78543 During handling of the above exception, another exception occurred: 
    78544  
    78545 Traceback (most recent call last): 
    78546 File
    78547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78548 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78549 if not self.draw_new_frame(): 
    78550 File
    78551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78552 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78553 changed = view.check_for_drawing_change() 
    78554 File
    78555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78556 packages/chimerax/core/graphics/view.py", line 252, in
    78557 check_for_drawing_change 
    78558 trig.activate_trigger('graphics update', self) 
    78559 File
    78560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78561 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78562 trigger.activate(data) 
    78563 File
    78564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78565 packages/chimerax/core/triggerset.py", line 190, in activate 
    78566 ret = handler.invoke(data, self._remove_bad_handlers) 
    78567 File
    78568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78569 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78570 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78571 File
    78572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78573 packages/chimerax/core/session.py", line 943, in <lambda> 
    78574 logger.report_exception(preface=preface)) 
    78575 File
    78576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78577 packages/chimerax/core/logger.py", line 421, in report_exception 
    78578 elif probably_chimera1_session(exc_info): 
    78579 File
    78580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78581 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78582 etype, evalue, etraceback = exc_info 
    78583 TypeError: cannot unpack non-iterable NoneType object 
    78584  
    78585 TypeError: cannot unpack non-iterable NoneType object 
    78586  
    78587 File
    78588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78589 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78590 etype, evalue, etraceback = exc_info 
    78591  
    78592 See log for complete Python traceback. 
    78593  
    78594 Traceback (most recent call last): 
    78595 File
    78596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78597 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78598 return self._func(self._name, data) 
    78599 File
    78600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78601 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78602 if v.display: 
    78603 File
    78604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78605 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78606 return self._any_displayed_positions and len(self._positions) > 0 
    78607 TypeError: object of type 'NoneType' has no len() 
    78608  
    78609 During handling of the above exception, another exception occurred: 
    78610  
    78611 Traceback (most recent call last): 
    78612 File
    78613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78614 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78615 if not self.draw_new_frame(): 
    78616 File
    78617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78618 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78619 changed = view.check_for_drawing_change() 
    78620 File
    78621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78622 packages/chimerax/core/graphics/view.py", line 252, in
    78623 check_for_drawing_change 
    78624 trig.activate_trigger('graphics update', self) 
    78625 File
    78626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78627 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78628 trigger.activate(data) 
    78629 File
    78630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78631 packages/chimerax/core/triggerset.py", line 190, in activate 
    78632 ret = handler.invoke(data, self._remove_bad_handlers) 
    78633 File
    78634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78635 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78636 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78637 File
    78638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78639 packages/chimerax/core/session.py", line 943, in <lambda> 
    78640 logger.report_exception(preface=preface)) 
    78641 File
    78642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78643 packages/chimerax/core/logger.py", line 421, in report_exception 
    78644 elif probably_chimera1_session(exc_info): 
    78645 File
    78646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78647 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78648 etype, evalue, etraceback = exc_info 
    78649 TypeError: cannot unpack non-iterable NoneType object 
    78650  
    78651 TypeError: cannot unpack non-iterable NoneType object 
    78652  
    78653 File
    78654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78655 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78656 etype, evalue, etraceback = exc_info 
    78657  
    78658 See log for complete Python traceback. 
    78659  
    78660 Traceback (most recent call last): 
    78661 File
    78662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78663 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78664 return self._func(self._name, data) 
    78665 File
    78666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78667 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78668 if v.display: 
    78669 File
    78670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78671 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78672 return self._any_displayed_positions and len(self._positions) > 0 
    78673 TypeError: object of type 'NoneType' has no len() 
    78674  
    78675 During handling of the above exception, another exception occurred: 
    78676  
    78677 Traceback (most recent call last): 
    78678 File
    78679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78680 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78681 if not self.draw_new_frame(): 
    78682 File
    78683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78684 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78685 changed = view.check_for_drawing_change() 
    78686 File
    78687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78688 packages/chimerax/core/graphics/view.py", line 252, in
    78689 check_for_drawing_change 
    78690 trig.activate_trigger('graphics update', self) 
    78691 File
    78692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78693 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78694 trigger.activate(data) 
    78695 File
    78696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78697 packages/chimerax/core/triggerset.py", line 190, in activate 
    78698 ret = handler.invoke(data, self._remove_bad_handlers) 
    78699 File
    78700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78701 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78702 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78703 File
    78704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78705 packages/chimerax/core/session.py", line 943, in <lambda> 
    78706 logger.report_exception(preface=preface)) 
    78707 File
    78708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78709 packages/chimerax/core/logger.py", line 421, in report_exception 
    78710 elif probably_chimera1_session(exc_info): 
    78711 File
    78712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78713 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78714 etype, evalue, etraceback = exc_info 
    78715 TypeError: cannot unpack non-iterable NoneType object 
    78716  
    78717 TypeError: cannot unpack non-iterable NoneType object 
    78718  
    78719 File
    78720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78721 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78722 etype, evalue, etraceback = exc_info 
    78723  
    78724 See log for complete Python traceback. 
    78725  
    78726 Traceback (most recent call last): 
    78727 File
    78728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78729 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78730 return self._func(self._name, data) 
    78731 File
    78732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78733 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78734 if v.display: 
    78735 File
    78736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78737 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78738 return self._any_displayed_positions and len(self._positions) > 0 
    78739 TypeError: object of type 'NoneType' has no len() 
    78740  
    78741 During handling of the above exception, another exception occurred: 
    78742  
    78743 Traceback (most recent call last): 
    78744 File
    78745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78746 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78747 if not self.draw_new_frame(): 
    78748 File
    78749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78750 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78751 changed = view.check_for_drawing_change() 
    78752 File
    78753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78754 packages/chimerax/core/graphics/view.py", line 252, in
    78755 check_for_drawing_change 
    78756 trig.activate_trigger('graphics update', self) 
    78757 File
    78758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78759 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78760 trigger.activate(data) 
    78761 File
    78762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78763 packages/chimerax/core/triggerset.py", line 190, in activate 
    78764 ret = handler.invoke(data, self._remove_bad_handlers) 
    78765 File
    78766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78767 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78768 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78769 File
    78770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78771 packages/chimerax/core/session.py", line 943, in <lambda> 
    78772 logger.report_exception(preface=preface)) 
    78773 File
    78774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78775 packages/chimerax/core/logger.py", line 421, in report_exception 
    78776 elif probably_chimera1_session(exc_info): 
    78777 File
    78778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78779 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78780 etype, evalue, etraceback = exc_info 
    78781 TypeError: cannot unpack non-iterable NoneType object 
    78782  
    78783 TypeError: cannot unpack non-iterable NoneType object 
    78784  
    78785 File
    78786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78787 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78788 etype, evalue, etraceback = exc_info 
    78789  
    78790 See log for complete Python traceback. 
    78791  
    78792 Traceback (most recent call last): 
    78793 File
    78794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78795 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78796 return self._func(self._name, data) 
    78797 File
    78798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78799 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78800 if v.display: 
    78801 File
    78802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78803 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78804 return self._any_displayed_positions and len(self._positions) > 0 
    78805 TypeError: object of type 'NoneType' has no len() 
    78806  
    78807 During handling of the above exception, another exception occurred: 
    78808  
    78809 Traceback (most recent call last): 
    78810 File
    78811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78812 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78813 if not self.draw_new_frame(): 
    78814 File
    78815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78816 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78817 changed = view.check_for_drawing_change() 
    78818 File
    78819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78820 packages/chimerax/core/graphics/view.py", line 252, in
    78821 check_for_drawing_change 
    78822 trig.activate_trigger('graphics update', self) 
    78823 File
    78824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78825 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78826 trigger.activate(data) 
    78827 File
    78828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78829 packages/chimerax/core/triggerset.py", line 190, in activate 
    78830 ret = handler.invoke(data, self._remove_bad_handlers) 
    78831 File
    78832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78833 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78834 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78835 File
    78836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78837 packages/chimerax/core/session.py", line 943, in <lambda> 
    78838 logger.report_exception(preface=preface)) 
    78839 File
    78840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78841 packages/chimerax/core/logger.py", line 421, in report_exception 
    78842 elif probably_chimera1_session(exc_info): 
    78843 File
    78844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78845 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78846 etype, evalue, etraceback = exc_info 
    78847 TypeError: cannot unpack non-iterable NoneType object 
    78848  
    78849 TypeError: cannot unpack non-iterable NoneType object 
    78850  
    78851 File
    78852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78853 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78854 etype, evalue, etraceback = exc_info 
    78855  
    78856 See log for complete Python traceback. 
    78857  
    78858 Traceback (most recent call last): 
    78859 File
    78860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78861 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78862 return self._func(self._name, data) 
    78863 File
    78864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78865 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78866 if v.display: 
    78867 File
    78868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78869 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78870 return self._any_displayed_positions and len(self._positions) > 0 
    78871 TypeError: object of type 'NoneType' has no len() 
    78872  
    78873 During handling of the above exception, another exception occurred: 
    78874  
    78875 Traceback (most recent call last): 
    78876 File
    78877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78878 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78879 if not self.draw_new_frame(): 
    78880 File
    78881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78882 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78883 changed = view.check_for_drawing_change() 
    78884 File
    78885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78886 packages/chimerax/core/graphics/view.py", line 252, in
    78887 check_for_drawing_change 
    78888 trig.activate_trigger('graphics update', self) 
    78889 File
    78890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78891 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78892 trigger.activate(data) 
    78893 File
    78894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78895 packages/chimerax/core/triggerset.py", line 190, in activate 
    78896 ret = handler.invoke(data, self._remove_bad_handlers) 
    78897 File
    78898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78899 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78900 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78901 File
    78902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78903 packages/chimerax/core/session.py", line 943, in <lambda> 
    78904 logger.report_exception(preface=preface)) 
    78905 File
    78906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78907 packages/chimerax/core/logger.py", line 421, in report_exception 
    78908 elif probably_chimera1_session(exc_info): 
    78909 File
    78910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78911 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78912 etype, evalue, etraceback = exc_info 
    78913 TypeError: cannot unpack non-iterable NoneType object 
    78914  
    78915 TypeError: cannot unpack non-iterable NoneType object 
    78916  
    78917 File
    78918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78919 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78920 etype, evalue, etraceback = exc_info 
    78921  
    78922 See log for complete Python traceback. 
    78923  
    78924 Traceback (most recent call last): 
    78925 File
    78926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78927 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78928 return self._func(self._name, data) 
    78929 File
    78930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78931 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78932 if v.display: 
    78933 File
    78934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78935 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78936 return self._any_displayed_positions and len(self._positions) > 0 
    78937 TypeError: object of type 'NoneType' has no len() 
    78938  
    78939 During handling of the above exception, another exception occurred: 
    78940  
    78941 Traceback (most recent call last): 
    78942 File
    78943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78944 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78945 if not self.draw_new_frame(): 
    78946 File
    78947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78948 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78949 changed = view.check_for_drawing_change() 
    78950 File
    78951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78952 packages/chimerax/core/graphics/view.py", line 252, in
    78953 check_for_drawing_change 
    78954 trig.activate_trigger('graphics update', self) 
    78955 File
    78956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78957 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78958 trigger.activate(data) 
    78959 File
    78960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78961 packages/chimerax/core/triggerset.py", line 190, in activate 
    78962 ret = handler.invoke(data, self._remove_bad_handlers) 
    78963 File
    78964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78965 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78966 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78967 File
    78968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78969 packages/chimerax/core/session.py", line 943, in <lambda> 
    78970 logger.report_exception(preface=preface)) 
    78971 File
    78972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78973 packages/chimerax/core/logger.py", line 421, in report_exception 
    78974 elif probably_chimera1_session(exc_info): 
    78975 File
    78976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78977 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78978 etype, evalue, etraceback = exc_info 
    78979 TypeError: cannot unpack non-iterable NoneType object 
    78980  
    78981 TypeError: cannot unpack non-iterable NoneType object 
    78982  
    78983 File
    78984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78985 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78986 etype, evalue, etraceback = exc_info 
    78987  
    78988 See log for complete Python traceback. 
    78989  
    78990 Traceback (most recent call last): 
    78991 File
    78992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78993 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78994 return self._func(self._name, data) 
    78995 File
    78996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78997 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78998 if v.display: 
    78999 File
    79000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79001 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79002 return self._any_displayed_positions and len(self._positions) > 0 
    79003 TypeError: object of type 'NoneType' has no len() 
    79004  
    79005 During handling of the above exception, another exception occurred: 
    79006  
    79007 Traceback (most recent call last): 
    79008 File
    79009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79010 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79011 if not self.draw_new_frame(): 
    79012 File
    79013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79014 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79015 changed = view.check_for_drawing_change() 
    79016 File
    79017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79018 packages/chimerax/core/graphics/view.py", line 252, in
    79019 check_for_drawing_change 
    79020 trig.activate_trigger('graphics update', self) 
    79021 File
    79022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79023 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79024 trigger.activate(data) 
    79025 File
    79026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79027 packages/chimerax/core/triggerset.py", line 190, in activate 
    79028 ret = handler.invoke(data, self._remove_bad_handlers) 
    79029 File
    79030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79031 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79032 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79033 File
    79034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79035 packages/chimerax/core/session.py", line 943, in <lambda> 
    79036 logger.report_exception(preface=preface)) 
    79037 File
    79038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79039 packages/chimerax/core/logger.py", line 421, in report_exception 
    79040 elif probably_chimera1_session(exc_info): 
    79041 File
    79042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79043 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79044 etype, evalue, etraceback = exc_info 
    79045 TypeError: cannot unpack non-iterable NoneType object 
    79046  
    79047 TypeError: cannot unpack non-iterable NoneType object 
    79048  
    79049 File
    79050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79051 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79052 etype, evalue, etraceback = exc_info 
    79053  
    79054 See log for complete Python traceback. 
    79055  
    79056 Traceback (most recent call last): 
    79057 File
    79058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79059 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79060 return self._func(self._name, data) 
    79061 File
    79062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79063 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79064 if v.display: 
    79065 File
    79066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79067 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79068 return self._any_displayed_positions and len(self._positions) > 0 
    79069 TypeError: object of type 'NoneType' has no len() 
    79070  
    79071 During handling of the above exception, another exception occurred: 
    79072  
    79073 Traceback (most recent call last): 
    79074 File
    79075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79076 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79077 if not self.draw_new_frame(): 
    79078 File
    79079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79080 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79081 changed = view.check_for_drawing_change() 
    79082 File
    79083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79084 packages/chimerax/core/graphics/view.py", line 252, in
    79085 check_for_drawing_change 
    79086 trig.activate_trigger('graphics update', self) 
    79087 File
    79088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79089 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79090 trigger.activate(data) 
    79091 File
    79092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79093 packages/chimerax/core/triggerset.py", line 190, in activate 
    79094 ret = handler.invoke(data, self._remove_bad_handlers) 
    79095 File
    79096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79097 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79098 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79099 File
    79100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79101 packages/chimerax/core/session.py", line 943, in <lambda> 
    79102 logger.report_exception(preface=preface)) 
    79103 File
    79104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79105 packages/chimerax/core/logger.py", line 421, in report_exception 
    79106 elif probably_chimera1_session(exc_info): 
    79107 File
    79108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79109 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79110 etype, evalue, etraceback = exc_info 
    79111 TypeError: cannot unpack non-iterable NoneType object 
    79112  
    79113 TypeError: cannot unpack non-iterable NoneType object 
    79114  
    79115 File
    79116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79117 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79118 etype, evalue, etraceback = exc_info 
    79119  
    79120 See log for complete Python traceback. 
    79121  
    79122 Traceback (most recent call last): 
    79123 File
    79124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79125 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79126 return self._func(self._name, data) 
    79127 File
    79128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79129 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79130 if v.display: 
    79131 File
    79132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79133 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79134 return self._any_displayed_positions and len(self._positions) > 0 
    79135 TypeError: object of type 'NoneType' has no len() 
    79136  
    79137 During handling of the above exception, another exception occurred: 
    79138  
    79139 Traceback (most recent call last): 
    79140 File
    79141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79142 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79143 if not self.draw_new_frame(): 
    79144 File
    79145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79146 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79147 changed = view.check_for_drawing_change() 
    79148 File
    79149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79150 packages/chimerax/core/graphics/view.py", line 252, in
    79151 check_for_drawing_change 
    79152 trig.activate_trigger('graphics update', self) 
    79153 File
    79154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79155 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79156 trigger.activate(data) 
    79157 File
    79158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79159 packages/chimerax/core/triggerset.py", line 190, in activate 
    79160 ret = handler.invoke(data, self._remove_bad_handlers) 
    79161 File
    79162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79163 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79164 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79165 File
    79166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79167 packages/chimerax/core/session.py", line 943, in <lambda> 
    79168 logger.report_exception(preface=preface)) 
    79169 File
    79170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79171 packages/chimerax/core/logger.py", line 421, in report_exception 
    79172 elif probably_chimera1_session(exc_info): 
    79173 File
    79174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79175 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79176 etype, evalue, etraceback = exc_info 
    79177 TypeError: cannot unpack non-iterable NoneType object 
    79178  
    79179 TypeError: cannot unpack non-iterable NoneType object 
    79180  
    79181 File
    79182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79183 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79184 etype, evalue, etraceback = exc_info 
    79185  
    79186 See log for complete Python traceback. 
    79187  
    79188 Traceback (most recent call last): 
    79189 File
    79190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79191 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79192 return self._func(self._name, data) 
    79193 File
    79194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79195 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79196 if v.display: 
    79197 File
    79198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79199 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79200 return self._any_displayed_positions and len(self._positions) > 0 
    79201 TypeError: object of type 'NoneType' has no len() 
    79202  
    79203 During handling of the above exception, another exception occurred: 
    79204  
    79205 Traceback (most recent call last): 
    79206 File
    79207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79208 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79209 if not self.draw_new_frame(): 
    79210 File
    79211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79212 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79213 changed = view.check_for_drawing_change() 
    79214 File
    79215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79216 packages/chimerax/core/graphics/view.py", line 252, in
    79217 check_for_drawing_change 
    79218 trig.activate_trigger('graphics update', self) 
    79219 File
    79220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79221 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79222 trigger.activate(data) 
    79223 File
    79224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79225 packages/chimerax/core/triggerset.py", line 190, in activate 
    79226 ret = handler.invoke(data, self._remove_bad_handlers) 
    79227 File
    79228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79229 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79230 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79231 File
    79232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79233 packages/chimerax/core/session.py", line 943, in <lambda> 
    79234 logger.report_exception(preface=preface)) 
    79235 File
    79236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79237 packages/chimerax/core/logger.py", line 421, in report_exception 
    79238 elif probably_chimera1_session(exc_info): 
    79239 File
    79240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79241 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79242 etype, evalue, etraceback = exc_info 
    79243 TypeError: cannot unpack non-iterable NoneType object 
    79244  
    79245 TypeError: cannot unpack non-iterable NoneType object 
    79246  
    79247 File
    79248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79249 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79250 etype, evalue, etraceback = exc_info 
    79251  
    79252 See log for complete Python traceback. 
    79253  
    79254 Traceback (most recent call last): 
    79255 File
    79256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79257 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79258 return self._func(self._name, data) 
    79259 File
    79260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79261 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79262 if v.display: 
    79263 File
    79264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79265 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79266 return self._any_displayed_positions and len(self._positions) > 0 
    79267 TypeError: object of type 'NoneType' has no len() 
    79268  
    79269 During handling of the above exception, another exception occurred: 
    79270  
    79271 Traceback (most recent call last): 
    79272 File
    79273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79274 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79275 if not self.draw_new_frame(): 
    79276 File
    79277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79278 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79279 changed = view.check_for_drawing_change() 
    79280 File
    79281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79282 packages/chimerax/core/graphics/view.py", line 252, in
    79283 check_for_drawing_change 
    79284 trig.activate_trigger('graphics update', self) 
    79285 File
    79286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79287 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79288 trigger.activate(data) 
    79289 File
    79290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79291 packages/chimerax/core/triggerset.py", line 190, in activate 
    79292 ret = handler.invoke(data, self._remove_bad_handlers) 
    79293 File
    79294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79295 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79296 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79297 File
    79298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79299 packages/chimerax/core/session.py", line 943, in <lambda> 
    79300 logger.report_exception(preface=preface)) 
    79301 File
    79302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79303 packages/chimerax/core/logger.py", line 421, in report_exception 
    79304 elif probably_chimera1_session(exc_info): 
    79305 File
    79306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79307 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79308 etype, evalue, etraceback = exc_info 
    79309 TypeError: cannot unpack non-iterable NoneType object 
    79310  
    79311 TypeError: cannot unpack non-iterable NoneType object 
    79312  
    79313 File
    79314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79315 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79316 etype, evalue, etraceback = exc_info 
    79317  
    79318 See log for complete Python traceback. 
    79319  
    79320 Traceback (most recent call last): 
    79321 File
    79322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79323 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79324 return self._func(self._name, data) 
    79325 File
    79326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79327 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79328 if v.display: 
    79329 File
    79330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79331 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79332 return self._any_displayed_positions and len(self._positions) > 0 
    79333 TypeError: object of type 'NoneType' has no len() 
    79334  
    79335 During handling of the above exception, another exception occurred: 
    79336  
    79337 Traceback (most recent call last): 
    79338 File
    79339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79340 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79341 if not self.draw_new_frame(): 
    79342 File
    79343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79344 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79345 changed = view.check_for_drawing_change() 
    79346 File
    79347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79348 packages/chimerax/core/graphics/view.py", line 252, in
    79349 check_for_drawing_change 
    79350 trig.activate_trigger('graphics update', self) 
    79351 File
    79352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79353 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79354 trigger.activate(data) 
    79355 File
    79356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79357 packages/chimerax/core/triggerset.py", line 190, in activate 
    79358 ret = handler.invoke(data, self._remove_bad_handlers) 
    79359 File
    79360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79361 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79362 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79363 File
    79364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79365 packages/chimerax/core/session.py", line 943, in <lambda> 
    79366 logger.report_exception(preface=preface)) 
    79367 File
    79368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79369 packages/chimerax/core/logger.py", line 421, in report_exception 
    79370 elif probably_chimera1_session(exc_info): 
    79371 File
    79372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79373 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79374 etype, evalue, etraceback = exc_info 
    79375 TypeError: cannot unpack non-iterable NoneType object 
    79376  
    79377 TypeError: cannot unpack non-iterable NoneType object 
    79378  
    79379 File
    79380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79381 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79382 etype, evalue, etraceback = exc_info 
    79383  
    79384 See log for complete Python traceback. 
    79385  
    79386 Traceback (most recent call last): 
    79387 File
    79388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79389 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79390 return self._func(self._name, data) 
    79391 File
    79392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79393 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79394 if v.display: 
    79395 File
    79396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79397 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79398 return self._any_displayed_positions and len(self._positions) > 0 
    79399 TypeError: object of type 'NoneType' has no len() 
    79400  
    79401 During handling of the above exception, another exception occurred: 
    79402  
    79403 Traceback (most recent call last): 
    79404 File
    79405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79406 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79407 if not self.draw_new_frame(): 
    79408 File
    79409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79410 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79411 changed = view.check_for_drawing_change() 
    79412 File
    79413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79414 packages/chimerax/core/graphics/view.py", line 252, in
    79415 check_for_drawing_change 
    79416 trig.activate_trigger('graphics update', self) 
    79417 File
    79418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79419 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79420 trigger.activate(data) 
    79421 File
    79422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79423 packages/chimerax/core/triggerset.py", line 190, in activate 
    79424 ret = handler.invoke(data, self._remove_bad_handlers) 
    79425 File
    79426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79427 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79428 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79429 File
    79430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79431 packages/chimerax/core/session.py", line 943, in <lambda> 
    79432 logger.report_exception(preface=preface)) 
    79433 File
    79434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79435 packages/chimerax/core/logger.py", line 421, in report_exception 
    79436 elif probably_chimera1_session(exc_info): 
    79437 File
    79438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79439 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79440 etype, evalue, etraceback = exc_info 
    79441 TypeError: cannot unpack non-iterable NoneType object 
    79442  
    79443 TypeError: cannot unpack non-iterable NoneType object 
    79444  
    79445 File
    79446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79447 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79448 etype, evalue, etraceback = exc_info 
    79449  
    79450 See log for complete Python traceback. 
    79451  
    79452 Traceback (most recent call last): 
    79453 File
    79454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79455 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79456 return self._func(self._name, data) 
    79457 File
    79458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79459 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79460 if v.display: 
    79461 File
    79462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79463 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79464 return self._any_displayed_positions and len(self._positions) > 0 
    79465 TypeError: object of type 'NoneType' has no len() 
    79466  
    79467 During handling of the above exception, another exception occurred: 
    79468  
    79469 Traceback (most recent call last): 
    79470 File
    79471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79472 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79473 if not self.draw_new_frame(): 
    79474 File
    79475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79476 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79477 changed = view.check_for_drawing_change() 
    79478 File
    79479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79480 packages/chimerax/core/graphics/view.py", line 252, in
    79481 check_for_drawing_change 
    79482 trig.activate_trigger('graphics update', self) 
    79483 File
    79484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79485 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79486 trigger.activate(data) 
    79487 File
    79488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79489 packages/chimerax/core/triggerset.py", line 190, in activate 
    79490 ret = handler.invoke(data, self._remove_bad_handlers) 
    79491 File
    79492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79493 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79494 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79495 File
    79496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79497 packages/chimerax/core/session.py", line 943, in <lambda> 
    79498 logger.report_exception(preface=preface)) 
    79499 File
    79500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79501 packages/chimerax/core/logger.py", line 421, in report_exception 
    79502 elif probably_chimera1_session(exc_info): 
    79503 File
    79504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79505 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79506 etype, evalue, etraceback = exc_info 
    79507 TypeError: cannot unpack non-iterable NoneType object 
    79508  
    79509 TypeError: cannot unpack non-iterable NoneType object 
    79510  
    79511 File
    79512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79513 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79514 etype, evalue, etraceback = exc_info 
    79515  
    79516 See log for complete Python traceback. 
    79517  
    79518 Traceback (most recent call last): 
    79519 File
    79520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79521 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79522 return self._func(self._name, data) 
    79523 File
    79524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79525 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79526 if v.display: 
    79527 File
    79528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79529 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79530 return self._any_displayed_positions and len(self._positions) > 0 
    79531 TypeError: object of type 'NoneType' has no len() 
    79532  
    79533 During handling of the above exception, another exception occurred: 
    79534  
    79535 Traceback (most recent call last): 
    79536 File
    79537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79538 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79539 if not self.draw_new_frame(): 
    79540 File
    79541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79542 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79543 changed = view.check_for_drawing_change() 
    79544 File
    79545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79546 packages/chimerax/core/graphics/view.py", line 252, in
    79547 check_for_drawing_change 
    79548 trig.activate_trigger('graphics update', self) 
    79549 File
    79550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79551 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79552 trigger.activate(data) 
    79553 File
    79554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79555 packages/chimerax/core/triggerset.py", line 190, in activate 
    79556 ret = handler.invoke(data, self._remove_bad_handlers) 
    79557 File
    79558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79559 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79560 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79561 File
    79562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79563 packages/chimerax/core/session.py", line 943, in <lambda> 
    79564 logger.report_exception(preface=preface)) 
    79565 File
    79566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79567 packages/chimerax/core/logger.py", line 421, in report_exception 
    79568 elif probably_chimera1_session(exc_info): 
    79569 File
    79570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79571 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79572 etype, evalue, etraceback = exc_info 
    79573 TypeError: cannot unpack non-iterable NoneType object 
    79574  
    79575 TypeError: cannot unpack non-iterable NoneType object 
    79576  
    79577 File
    79578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79579 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79580 etype, evalue, etraceback = exc_info 
    79581  
    79582 See log for complete Python traceback. 
    79583  
    79584 Traceback (most recent call last): 
    79585 File
    79586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79587 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79588 return self._func(self._name, data) 
    79589 File
    79590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79591 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79592 if v.display: 
    79593 File
    79594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79595 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79596 return self._any_displayed_positions and len(self._positions) > 0 
    79597 TypeError: object of type 'NoneType' has no len() 
    79598  
    79599 During handling of the above exception, another exception occurred: 
    79600  
    79601 Traceback (most recent call last): 
    79602 File
    79603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79604 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79605 if not self.draw_new_frame(): 
    79606 File
    79607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79608 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79609 changed = view.check_for_drawing_change() 
    79610 File
    79611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79612 packages/chimerax/core/graphics/view.py", line 252, in
    79613 check_for_drawing_change 
    79614 trig.activate_trigger('graphics update', self) 
    79615 File
    79616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79617 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79618 trigger.activate(data) 
    79619 File
    79620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79621 packages/chimerax/core/triggerset.py", line 190, in activate 
    79622 ret = handler.invoke(data, self._remove_bad_handlers) 
    79623 File
    79624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79625 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79626 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79627 File
    79628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79629 packages/chimerax/core/session.py", line 943, in <lambda> 
    79630 logger.report_exception(preface=preface)) 
    79631 File
    79632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79633 packages/chimerax/core/logger.py", line 421, in report_exception 
    79634 elif probably_chimera1_session(exc_info): 
    79635 File
    79636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79637 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79638 etype, evalue, etraceback = exc_info 
    79639 TypeError: cannot unpack non-iterable NoneType object 
    79640  
    79641 TypeError: cannot unpack non-iterable NoneType object 
    79642  
    79643 File
    79644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79645 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79646 etype, evalue, etraceback = exc_info 
    79647  
    79648 See log for complete Python traceback. 
    79649  
    79650 Traceback (most recent call last): 
    79651 File
    79652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79653 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79654 return self._func(self._name, data) 
    79655 File
    79656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79657 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79658 if v.display: 
    79659 File
    79660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79661 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79662 return self._any_displayed_positions and len(self._positions) > 0 
    79663 TypeError: object of type 'NoneType' has no len() 
    79664  
    79665 During handling of the above exception, another exception occurred: 
    79666  
    79667 Traceback (most recent call last): 
    79668 File
    79669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79670 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79671 if not self.draw_new_frame(): 
    79672 File
    79673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79674 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79675 changed = view.check_for_drawing_change() 
    79676 File
    79677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79678 packages/chimerax/core/graphics/view.py", line 252, in
    79679 check_for_drawing_change 
    79680 trig.activate_trigger('graphics update', self) 
    79681 File
    79682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79683 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79684 trigger.activate(data) 
    79685 File
    79686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79687 packages/chimerax/core/triggerset.py", line 190, in activate 
    79688 ret = handler.invoke(data, self._remove_bad_handlers) 
    79689 File
    79690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79691 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79692 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79693 File
    79694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79695 packages/chimerax/core/session.py", line 943, in <lambda> 
    79696 logger.report_exception(preface=preface)) 
    79697 File
    79698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79699 packages/chimerax/core/logger.py", line 421, in report_exception 
    79700 elif probably_chimera1_session(exc_info): 
    79701 File
    79702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79703 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79704 etype, evalue, etraceback = exc_info 
    79705 TypeError: cannot unpack non-iterable NoneType object 
    79706  
    79707 TypeError: cannot unpack non-iterable NoneType object 
    79708  
    79709 File
    79710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79711 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79712 etype, evalue, etraceback = exc_info 
    79713  
    79714 See log for complete Python traceback. 
    79715  
    79716 Traceback (most recent call last): 
    79717 File
    79718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79719 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79720 return self._func(self._name, data) 
    79721 File
    79722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79723 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79724 if v.display: 
    79725 File
    79726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79727 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79728 return self._any_displayed_positions and len(self._positions) > 0 
    79729 TypeError: object of type 'NoneType' has no len() 
    79730  
    79731 During handling of the above exception, another exception occurred: 
    79732  
    79733 Traceback (most recent call last): 
    79734 File
    79735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79736 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79737 if not self.draw_new_frame(): 
    79738 File
    79739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79740 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79741 changed = view.check_for_drawing_change() 
    79742 File
    79743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79744 packages/chimerax/core/graphics/view.py", line 252, in
    79745 check_for_drawing_change 
    79746 trig.activate_trigger('graphics update', self) 
    79747 File
    79748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79749 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79750 trigger.activate(data) 
    79751 File
    79752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79753 packages/chimerax/core/triggerset.py", line 190, in activate 
    79754 ret = handler.invoke(data, self._remove_bad_handlers) 
    79755 File
    79756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79757 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79758 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79759 File
    79760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79761 packages/chimerax/core/session.py", line 943, in <lambda> 
    79762 logger.report_exception(preface=preface)) 
    79763 File
    79764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79765 packages/chimerax/core/logger.py", line 421, in report_exception 
    79766 elif probably_chimera1_session(exc_info): 
    79767 File
    79768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79769 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79770 etype, evalue, etraceback = exc_info 
    79771 TypeError: cannot unpack non-iterable NoneType object 
    79772  
    79773 TypeError: cannot unpack non-iterable NoneType object 
    79774  
    79775 File
    79776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79777 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79778 etype, evalue, etraceback = exc_info 
    79779  
    79780 See log for complete Python traceback. 
    79781  
    79782 Traceback (most recent call last): 
    79783 File
    79784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79785 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79786 return self._func(self._name, data) 
    79787 File
    79788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79789 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79790 if v.display: 
    79791 File
    79792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79793 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79794 return self._any_displayed_positions and len(self._positions) > 0 
    79795 TypeError: object of type 'NoneType' has no len() 
    79796  
    79797 During handling of the above exception, another exception occurred: 
    79798  
    79799 Traceback (most recent call last): 
    79800 File
    79801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79802 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79803 if not self.draw_new_frame(): 
    79804 File
    79805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79806 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79807 changed = view.check_for_drawing_change() 
    79808 File
    79809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79810 packages/chimerax/core/graphics/view.py", line 252, in
    79811 check_for_drawing_change 
    79812 trig.activate_trigger('graphics update', self) 
    79813 File
    79814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79815 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79816 trigger.activate(data) 
    79817 File
    79818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79819 packages/chimerax/core/triggerset.py", line 190, in activate 
    79820 ret = handler.invoke(data, self._remove_bad_handlers) 
    79821 File
    79822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79823 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79824 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79825 File
    79826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79827 packages/chimerax/core/session.py", line 943, in <lambda> 
    79828 logger.report_exception(preface=preface)) 
    79829 File
    79830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79831 packages/chimerax/core/logger.py", line 421, in report_exception 
    79832 elif probably_chimera1_session(exc_info): 
    79833 File
    79834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79835 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79836 etype, evalue, etraceback = exc_info 
    79837 TypeError: cannot unpack non-iterable NoneType object 
    79838  
    79839 TypeError: cannot unpack non-iterable NoneType object 
    79840  
    79841 File
    79842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79843 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79844 etype, evalue, etraceback = exc_info 
    79845  
    79846 See log for complete Python traceback. 
    79847  
    79848 Traceback (most recent call last): 
    79849 File
    79850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79851 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79852 return self._func(self._name, data) 
    79853 File
    79854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79855 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79856 if v.display: 
    79857 File
    79858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79859 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79860 return self._any_displayed_positions and len(self._positions) > 0 
    79861 TypeError: object of type 'NoneType' has no len() 
    79862  
    79863 During handling of the above exception, another exception occurred: 
    79864  
    79865 Traceback (most recent call last): 
    79866 File
    79867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79868 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79869 if not self.draw_new_frame(): 
    79870 File
    79871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79872 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79873 changed = view.check_for_drawing_change() 
    79874 File
    79875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79876 packages/chimerax/core/graphics/view.py", line 252, in
    79877 check_for_drawing_change 
    79878 trig.activate_trigger('graphics update', self) 
    79879 File
    79880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79881 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79882 trigger.activate(data) 
    79883 File
    79884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79885 packages/chimerax/core/triggerset.py", line 190, in activate 
    79886 ret = handler.invoke(data, self._remove_bad_handlers) 
    79887 File
    79888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79889 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79890 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79891 File
    79892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79893 packages/chimerax/core/session.py", line 943, in <lambda> 
    79894 logger.report_exception(preface=preface)) 
    79895 File
    79896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79897 packages/chimerax/core/logger.py", line 421, in report_exception 
    79898 elif probably_chimera1_session(exc_info): 
    79899 File
    79900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79901 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79902 etype, evalue, etraceback = exc_info 
    79903 TypeError: cannot unpack non-iterable NoneType object 
    79904  
    79905 TypeError: cannot unpack non-iterable NoneType object 
    79906  
    79907 File
    79908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79909 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79910 etype, evalue, etraceback = exc_info 
    79911  
    79912 See log for complete Python traceback. 
    79913  
    79914 Traceback (most recent call last): 
    79915 File
    79916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79917 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79918 return self._func(self._name, data) 
    79919 File
    79920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79921 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79922 if v.display: 
    79923 File
    79924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79925 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79926 return self._any_displayed_positions and len(self._positions) > 0 
    79927 TypeError: object of type 'NoneType' has no len() 
    79928  
    79929 During handling of the above exception, another exception occurred: 
    79930  
    79931 Traceback (most recent call last): 
    79932 File
    79933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79934 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79935 if not self.draw_new_frame(): 
    79936 File
    79937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79938 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79939 changed = view.check_for_drawing_change() 
    79940 File
    79941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79942 packages/chimerax/core/graphics/view.py", line 252, in
    79943 check_for_drawing_change 
    79944 trig.activate_trigger('graphics update', self) 
    79945 File
    79946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79947 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79948 trigger.activate(data) 
    79949 File
    79950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79951 packages/chimerax/core/triggerset.py", line 190, in activate 
    79952 ret = handler.invoke(data, self._remove_bad_handlers) 
    79953 File
    79954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79955 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79956 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79957 File
    79958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79959 packages/chimerax/core/session.py", line 943, in <lambda> 
    79960 logger.report_exception(preface=preface)) 
    79961 File
    79962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79963 packages/chimerax/core/logger.py", line 421, in report_exception 
    79964 elif probably_chimera1_session(exc_info): 
    79965 File
    79966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79967 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79968 etype, evalue, etraceback = exc_info 
    79969 TypeError: cannot unpack non-iterable NoneType object 
    79970  
    79971 TypeError: cannot unpack non-iterable NoneType object 
    79972  
    79973 File
    79974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79975 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79976 etype, evalue, etraceback = exc_info 
    79977  
    79978 See log for complete Python traceback. 
    79979  
    79980 Traceback (most recent call last): 
    79981 File
    79982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79983 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79984 return self._func(self._name, data) 
    79985 File
    79986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79987 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79988 if v.display: 
    79989 File
    79990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79991 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79992 return self._any_displayed_positions and len(self._positions) > 0 
    79993 TypeError: object of type 'NoneType' has no len() 
    79994  
    79995 During handling of the above exception, another exception occurred: 
    79996  
    79997 Traceback (most recent call last): 
    79998 File
    79999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80000 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80001 if not self.draw_new_frame(): 
    80002 File
    80003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80004 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80005 changed = view.check_for_drawing_change() 
    80006 File
    80007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80008 packages/chimerax/core/graphics/view.py", line 252, in
    80009 check_for_drawing_change 
    80010 trig.activate_trigger('graphics update', self) 
    80011 File
    80012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80013 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80014 trigger.activate(data) 
    80015 File
    80016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80017 packages/chimerax/core/triggerset.py", line 190, in activate 
    80018 ret = handler.invoke(data, self._remove_bad_handlers) 
    80019 File
    80020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80021 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80022 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80023 File
    80024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80025 packages/chimerax/core/session.py", line 943, in <lambda> 
    80026 logger.report_exception(preface=preface)) 
    80027 File
    80028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80029 packages/chimerax/core/logger.py", line 421, in report_exception 
    80030 elif probably_chimera1_session(exc_info): 
    80031 File
    80032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80033 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80034 etype, evalue, etraceback = exc_info 
    80035 TypeError: cannot unpack non-iterable NoneType object 
    80036  
    80037 TypeError: cannot unpack non-iterable NoneType object 
    80038  
    80039 File
    80040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80041 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80042 etype, evalue, etraceback = exc_info 
    80043  
    80044 See log for complete Python traceback. 
    80045  
    80046 Traceback (most recent call last): 
    80047 File
    80048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80049 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80050 return self._func(self._name, data) 
    80051 File
    80052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80053 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80054 if v.display: 
    80055 File
    80056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80057 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80058 return self._any_displayed_positions and len(self._positions) > 0 
    80059 TypeError: object of type 'NoneType' has no len() 
    80060  
    80061 During handling of the above exception, another exception occurred: 
    80062  
    80063 Traceback (most recent call last): 
    80064 File
    80065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80066 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80067 if not self.draw_new_frame(): 
    80068 File
    80069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80070 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80071 changed = view.check_for_drawing_change() 
    80072 File
    80073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80074 packages/chimerax/core/graphics/view.py", line 252, in
    80075 check_for_drawing_change 
    80076 trig.activate_trigger('graphics update', self) 
    80077 File
    80078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80079 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80080 trigger.activate(data) 
    80081 File
    80082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80083 packages/chimerax/core/triggerset.py", line 190, in activate 
    80084 ret = handler.invoke(data, self._remove_bad_handlers) 
    80085 File
    80086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80087 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80088 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80089 File
    80090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80091 packages/chimerax/core/session.py", line 943, in <lambda> 
    80092 logger.report_exception(preface=preface)) 
    80093 File
    80094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80095 packages/chimerax/core/logger.py", line 421, in report_exception 
    80096 elif probably_chimera1_session(exc_info): 
    80097 File
    80098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80099 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80100 etype, evalue, etraceback = exc_info 
    80101 TypeError: cannot unpack non-iterable NoneType object 
    80102  
    80103 TypeError: cannot unpack non-iterable NoneType object 
    80104  
    80105 File
    80106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80107 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80108 etype, evalue, etraceback = exc_info 
    80109  
    80110 See log for complete Python traceback. 
    80111  
    80112 Traceback (most recent call last): 
    80113 File
    80114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80115 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80116 return self._func(self._name, data) 
    80117 File
    80118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80119 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80120 if v.display: 
    80121 File
    80122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80123 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80124 return self._any_displayed_positions and len(self._positions) > 0 
    80125 TypeError: object of type 'NoneType' has no len() 
    80126  
    80127 During handling of the above exception, another exception occurred: 
    80128  
    80129 Traceback (most recent call last): 
    80130 File
    80131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80132 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80133 if not self.draw_new_frame(): 
    80134 File
    80135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80136 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80137 changed = view.check_for_drawing_change() 
    80138 File
    80139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80140 packages/chimerax/core/graphics/view.py", line 252, in
    80141 check_for_drawing_change 
    80142 trig.activate_trigger('graphics update', self) 
    80143 File
    80144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80145 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80146 trigger.activate(data) 
    80147 File
    80148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80149 packages/chimerax/core/triggerset.py", line 190, in activate 
    80150 ret = handler.invoke(data, self._remove_bad_handlers) 
    80151 File
    80152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80153 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80154 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80155 File
    80156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80157 packages/chimerax/core/session.py", line 943, in <lambda> 
    80158 logger.report_exception(preface=preface)) 
    80159 File
    80160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80161 packages/chimerax/core/logger.py", line 421, in report_exception 
    80162 elif probably_chimera1_session(exc_info): 
    80163 File
    80164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80165 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80166 etype, evalue, etraceback = exc_info 
    80167 TypeError: cannot unpack non-iterable NoneType object 
    80168  
    80169 TypeError: cannot unpack non-iterable NoneType object 
    80170  
    80171 File
    80172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80173 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80174 etype, evalue, etraceback = exc_info 
    80175  
    80176 See log for complete Python traceback. 
    80177  
    80178 Traceback (most recent call last): 
    80179 File
    80180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80181 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80182 return self._func(self._name, data) 
    80183 File
    80184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80185 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80186 if v.display: 
    80187 File
    80188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80189 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80190 return self._any_displayed_positions and len(self._positions) > 0 
    80191 TypeError: object of type 'NoneType' has no len() 
    80192  
    80193 During handling of the above exception, another exception occurred: 
    80194  
    80195 Traceback (most recent call last): 
    80196 File
    80197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80198 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80199 if not self.draw_new_frame(): 
    80200 File
    80201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80202 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80203 changed = view.check_for_drawing_change() 
    80204 File
    80205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80206 packages/chimerax/core/graphics/view.py", line 252, in
    80207 check_for_drawing_change 
    80208 trig.activate_trigger('graphics update', self) 
    80209 File
    80210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80211 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80212 trigger.activate(data) 
    80213 File
    80214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80215 packages/chimerax/core/triggerset.py", line 190, in activate 
    80216 ret = handler.invoke(data, self._remove_bad_handlers) 
    80217 File
    80218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80219 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80220 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80221 File
    80222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80223 packages/chimerax/core/session.py", line 943, in <lambda> 
    80224 logger.report_exception(preface=preface)) 
    80225 File
    80226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80227 packages/chimerax/core/logger.py", line 421, in report_exception 
    80228 elif probably_chimera1_session(exc_info): 
    80229 File
    80230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80231 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80232 etype, evalue, etraceback = exc_info 
    80233 TypeError: cannot unpack non-iterable NoneType object 
    80234  
    80235 TypeError: cannot unpack non-iterable NoneType object 
    80236  
    80237 File
    80238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80239 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80240 etype, evalue, etraceback = exc_info 
    80241  
    80242 See log for complete Python traceback. 
    80243  
    80244 Traceback (most recent call last): 
    80245 File
    80246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80247 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80248 return self._func(self._name, data) 
    80249 File
    80250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80251 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80252 if v.display: 
    80253 File
    80254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80255 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80256 return self._any_displayed_positions and len(self._positions) > 0 
    80257 TypeError: object of type 'NoneType' has no len() 
    80258  
    80259 During handling of the above exception, another exception occurred: 
    80260  
    80261 Traceback (most recent call last): 
    80262 File
    80263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80264 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80265 if not self.draw_new_frame(): 
    80266 File
    80267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80268 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80269 changed = view.check_for_drawing_change() 
    80270 File
    80271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80272 packages/chimerax/core/graphics/view.py", line 252, in
    80273 check_for_drawing_change 
    80274 trig.activate_trigger('graphics update', self) 
    80275 File
    80276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80277 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80278 trigger.activate(data) 
    80279 File
    80280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80281 packages/chimerax/core/triggerset.py", line 190, in activate 
    80282 ret = handler.invoke(data, self._remove_bad_handlers) 
    80283 File
    80284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80285 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80286 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80287 File
    80288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80289 packages/chimerax/core/session.py", line 943, in <lambda> 
    80290 logger.report_exception(preface=preface)) 
    80291 File
    80292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80293 packages/chimerax/core/logger.py", line 421, in report_exception 
    80294 elif probably_chimera1_session(exc_info): 
    80295 File
    80296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80297 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80298 etype, evalue, etraceback = exc_info 
    80299 TypeError: cannot unpack non-iterable NoneType object 
    80300  
    80301 TypeError: cannot unpack non-iterable NoneType object 
    80302  
    80303 File
    80304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80305 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80306 etype, evalue, etraceback = exc_info 
    80307  
    80308 See log for complete Python traceback. 
    80309  
    80310 Traceback (most recent call last): 
    80311 File
    80312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80313 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80314 return self._func(self._name, data) 
    80315 File
    80316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80317 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80318 if v.display: 
    80319 File
    80320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80321 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80322 return self._any_displayed_positions and len(self._positions) > 0 
    80323 TypeError: object of type 'NoneType' has no len() 
    80324  
    80325 During handling of the above exception, another exception occurred: 
    80326  
    80327 Traceback (most recent call last): 
    80328 File
    80329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80330 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80331 if not self.draw_new_frame(): 
    80332 File
    80333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80334 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80335 changed = view.check_for_drawing_change() 
    80336 File
    80337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80338 packages/chimerax/core/graphics/view.py", line 252, in
    80339 check_for_drawing_change 
    80340 trig.activate_trigger('graphics update', self) 
    80341 File
    80342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80343 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80344 trigger.activate(data) 
    80345 File
    80346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80347 packages/chimerax/core/triggerset.py", line 190, in activate 
    80348 ret = handler.invoke(data, self._remove_bad_handlers) 
    80349 File
    80350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80351 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80352 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80353 File
    80354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80355 packages/chimerax/core/session.py", line 943, in <lambda> 
    80356 logger.report_exception(preface=preface)) 
    80357 File
    80358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80359 packages/chimerax/core/logger.py", line 421, in report_exception 
    80360 elif probably_chimera1_session(exc_info): 
    80361 File
    80362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80363 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80364 etype, evalue, etraceback = exc_info 
    80365 TypeError: cannot unpack non-iterable NoneType object 
    80366  
    80367 TypeError: cannot unpack non-iterable NoneType object 
    80368  
    80369 File
    80370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80371 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80372 etype, evalue, etraceback = exc_info 
    80373  
    80374 See log for complete Python traceback. 
    80375  
    80376 Traceback (most recent call last): 
    80377 File
    80378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80379 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80380 return self._func(self._name, data) 
    80381 File
    80382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80383 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80384 if v.display: 
    80385 File
    80386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80387 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80388 return self._any_displayed_positions and len(self._positions) > 0 
    80389 TypeError: object of type 'NoneType' has no len() 
    80390  
    80391 During handling of the above exception, another exception occurred: 
    80392  
    80393 Traceback (most recent call last): 
    80394 File
    80395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80396 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80397 if not self.draw_new_frame(): 
    80398 File
    80399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80400 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80401 changed = view.check_for_drawing_change() 
    80402 File
    80403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80404 packages/chimerax/core/graphics/view.py", line 252, in
    80405 check_for_drawing_change 
    80406 trig.activate_trigger('graphics update', self) 
    80407 File
    80408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80409 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80410 trigger.activate(data) 
    80411 File
    80412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80413 packages/chimerax/core/triggerset.py", line 190, in activate 
    80414 ret = handler.invoke(data, self._remove_bad_handlers) 
    80415 File
    80416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80417 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80418 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80419 File
    80420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80421 packages/chimerax/core/session.py", line 943, in <lambda> 
    80422 logger.report_exception(preface=preface)) 
    80423 File
    80424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80425 packages/chimerax/core/logger.py", line 421, in report_exception 
    80426 elif probably_chimera1_session(exc_info): 
    80427 File
    80428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80429 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80430 etype, evalue, etraceback = exc_info 
    80431 TypeError: cannot unpack non-iterable NoneType object 
    80432  
    80433 TypeError: cannot unpack non-iterable NoneType object 
    80434  
    80435 File
    80436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80437 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80438 etype, evalue, etraceback = exc_info 
    80439  
    80440 See log for complete Python traceback. 
    80441  
    80442 Traceback (most recent call last): 
    80443 File
    80444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80445 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80446 return self._func(self._name, data) 
    80447 File
    80448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80449 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80450 if v.display: 
    80451 File
    80452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80453 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80454 return self._any_displayed_positions and len(self._positions) > 0 
    80455 TypeError: object of type 'NoneType' has no len() 
    80456  
    80457 During handling of the above exception, another exception occurred: 
    80458  
    80459 Traceback (most recent call last): 
    80460 File
    80461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80462 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80463 if not self.draw_new_frame(): 
    80464 File
    80465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80466 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80467 changed = view.check_for_drawing_change() 
    80468 File
    80469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80470 packages/chimerax/core/graphics/view.py", line 252, in
    80471 check_for_drawing_change 
    80472 trig.activate_trigger('graphics update', self) 
    80473 File
    80474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80475 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80476 trigger.activate(data) 
    80477 File
    80478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80479 packages/chimerax/core/triggerset.py", line 190, in activate 
    80480 ret = handler.invoke(data, self._remove_bad_handlers) 
    80481 File
    80482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80483 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80484 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80485 File
    80486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80487 packages/chimerax/core/session.py", line 943, in <lambda> 
    80488 logger.report_exception(preface=preface)) 
    80489 File
    80490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80491 packages/chimerax/core/logger.py", line 421, in report_exception 
    80492 elif probably_chimera1_session(exc_info): 
    80493 File
    80494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80495 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80496 etype, evalue, etraceback = exc_info 
    80497 TypeError: cannot unpack non-iterable NoneType object 
    80498  
    80499 TypeError: cannot unpack non-iterable NoneType object 
    80500  
    80501 File
    80502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80503 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80504 etype, evalue, etraceback = exc_info 
    80505  
    80506 See log for complete Python traceback. 
    80507  
    80508 Traceback (most recent call last): 
    80509 File
    80510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80511 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80512 return self._func(self._name, data) 
    80513 File
    80514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80515 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80516 if v.display: 
    80517 File
    80518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80519 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80520 return self._any_displayed_positions and len(self._positions) > 0 
    80521 TypeError: object of type 'NoneType' has no len() 
    80522  
    80523 During handling of the above exception, another exception occurred: 
    80524  
    80525 Traceback (most recent call last): 
    80526 File
    80527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80528 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80529 if not self.draw_new_frame(): 
    80530 File
    80531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80532 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80533 changed = view.check_for_drawing_change() 
    80534 File
    80535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80536 packages/chimerax/core/graphics/view.py", line 252, in
    80537 check_for_drawing_change 
    80538 trig.activate_trigger('graphics update', self) 
    80539 File
    80540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80541 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80542 trigger.activate(data) 
    80543 File
    80544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80545 packages/chimerax/core/triggerset.py", line 190, in activate 
    80546 ret = handler.invoke(data, self._remove_bad_handlers) 
    80547 File
    80548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80549 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80550 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80551 File
    80552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80553 packages/chimerax/core/session.py", line 943, in <lambda> 
    80554 logger.report_exception(preface=preface)) 
    80555 File
    80556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80557 packages/chimerax/core/logger.py", line 421, in report_exception 
    80558 elif probably_chimera1_session(exc_info): 
    80559 File
    80560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80561 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80562 etype, evalue, etraceback = exc_info 
    80563 TypeError: cannot unpack non-iterable NoneType object 
    80564  
    80565 TypeError: cannot unpack non-iterable NoneType object 
    80566  
    80567 File
    80568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80569 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80570 etype, evalue, etraceback = exc_info 
    80571  
    80572 See log for complete Python traceback. 
    80573  
    80574 Traceback (most recent call last): 
    80575 File
    80576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80577 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80578 return self._func(self._name, data) 
    80579 File
    80580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80581 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80582 if v.display: 
    80583 File
    80584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80585 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80586 return self._any_displayed_positions and len(self._positions) > 0 
    80587 TypeError: object of type 'NoneType' has no len() 
    80588  
    80589 During handling of the above exception, another exception occurred: 
    80590  
    80591 Traceback (most recent call last): 
    80592 File
    80593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80594 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80595 if not self.draw_new_frame(): 
    80596 File
    80597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80598 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80599 changed = view.check_for_drawing_change() 
    80600 File
    80601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80602 packages/chimerax/core/graphics/view.py", line 252, in
    80603 check_for_drawing_change 
    80604 trig.activate_trigger('graphics update', self) 
    80605 File
    80606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80607 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80608 trigger.activate(data) 
    80609 File
    80610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80611 packages/chimerax/core/triggerset.py", line 190, in activate 
    80612 ret = handler.invoke(data, self._remove_bad_handlers) 
    80613 File
    80614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80615 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80616 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80617 File
    80618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80619 packages/chimerax/core/session.py", line 943, in <lambda> 
    80620 logger.report_exception(preface=preface)) 
    80621 File
    80622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80623 packages/chimerax/core/logger.py", line 421, in report_exception 
    80624 elif probably_chimera1_session(exc_info): 
    80625 File
    80626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80627 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80628 etype, evalue, etraceback = exc_info 
    80629 TypeError: cannot unpack non-iterable NoneType object 
    80630  
    80631 TypeError: cannot unpack non-iterable NoneType object 
    80632  
    80633 File
    80634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80635 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80636 etype, evalue, etraceback = exc_info 
    80637  
    80638 See log for complete Python traceback. 
    80639  
    80640 Traceback (most recent call last): 
    80641 File
    80642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80643 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80644 return self._func(self._name, data) 
    80645 File
    80646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80647 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80648 if v.display: 
    80649 File
    80650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80651 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80652 return self._any_displayed_positions and len(self._positions) > 0 
    80653 TypeError: object of type 'NoneType' has no len() 
    80654  
    80655 During handling of the above exception, another exception occurred: 
    80656  
    80657 Traceback (most recent call last): 
    80658 File
    80659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80660 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80661 if not self.draw_new_frame(): 
    80662 File
    80663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80664 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80665 changed = view.check_for_drawing_change() 
    80666 File
    80667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80668 packages/chimerax/core/graphics/view.py", line 252, in
    80669 check_for_drawing_change 
    80670 trig.activate_trigger('graphics update', self) 
    80671 File
    80672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80673 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80674 trigger.activate(data) 
    80675 File
    80676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80677 packages/chimerax/core/triggerset.py", line 190, in activate 
    80678 ret = handler.invoke(data, self._remove_bad_handlers) 
    80679 File
    80680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80681 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80682 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80683 File
    80684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80685 packages/chimerax/core/session.py", line 943, in <lambda> 
    80686 logger.report_exception(preface=preface)) 
    80687 File
    80688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80689 packages/chimerax/core/logger.py", line 421, in report_exception 
    80690 elif probably_chimera1_session(exc_info): 
    80691 File
    80692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80693 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80694 etype, evalue, etraceback = exc_info 
    80695 TypeError: cannot unpack non-iterable NoneType object 
    80696  
    80697 TypeError: cannot unpack non-iterable NoneType object 
    80698  
    80699 File
    80700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80701 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80702 etype, evalue, etraceback = exc_info 
    80703  
    80704 See log for complete Python traceback. 
    80705  
    80706 Traceback (most recent call last): 
    80707 File
    80708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80709 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80710 return self._func(self._name, data) 
    80711 File
    80712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80713 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80714 if v.display: 
    80715 File
    80716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80717 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80718 return self._any_displayed_positions and len(self._positions) > 0 
    80719 TypeError: object of type 'NoneType' has no len() 
    80720  
    80721 During handling of the above exception, another exception occurred: 
    80722  
    80723 Traceback (most recent call last): 
    80724 File
    80725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80726 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80727 if not self.draw_new_frame(): 
    80728 File
    80729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80730 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80731 changed = view.check_for_drawing_change() 
    80732 File
    80733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80734 packages/chimerax/core/graphics/view.py", line 252, in
    80735 check_for_drawing_change 
    80736 trig.activate_trigger('graphics update', self) 
    80737 File
    80738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80739 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80740 trigger.activate(data) 
    80741 File
    80742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80743 packages/chimerax/core/triggerset.py", line 190, in activate 
    80744 ret = handler.invoke(data, self._remove_bad_handlers) 
    80745 File
    80746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80747 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80748 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80749 File
    80750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80751 packages/chimerax/core/session.py", line 943, in <lambda> 
    80752 logger.report_exception(preface=preface)) 
    80753 File
    80754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80755 packages/chimerax/core/logger.py", line 421, in report_exception 
    80756 elif probably_chimera1_session(exc_info): 
    80757 File
    80758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80759 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80760 etype, evalue, etraceback = exc_info 
    80761 TypeError: cannot unpack non-iterable NoneType object 
    80762  
    80763 TypeError: cannot unpack non-iterable NoneType object 
    80764  
    80765 File
    80766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80767 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80768 etype, evalue, etraceback = exc_info 
    80769  
    80770 See log for complete Python traceback. 
    80771  
    80772 Traceback (most recent call last): 
    80773 File
    80774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80775 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80776 return self._func(self._name, data) 
    80777 File
    80778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80779 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80780 if v.display: 
    80781 File
    80782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80783 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80784 return self._any_displayed_positions and len(self._positions) > 0 
    80785 TypeError: object of type 'NoneType' has no len() 
    80786  
    80787 During handling of the above exception, another exception occurred: 
    80788  
    80789 Traceback (most recent call last): 
    80790 File
    80791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80792 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80793 if not self.draw_new_frame(): 
    80794 File
    80795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80796 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80797 changed = view.check_for_drawing_change() 
    80798 File
    80799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80800 packages/chimerax/core/graphics/view.py", line 252, in
    80801 check_for_drawing_change 
    80802 trig.activate_trigger('graphics update', self) 
    80803 File
    80804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80805 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80806 trigger.activate(data) 
    80807 File
    80808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80809 packages/chimerax/core/triggerset.py", line 190, in activate 
    80810 ret = handler.invoke(data, self._remove_bad_handlers) 
    80811 File
    80812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80813 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80814 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80815 File
    80816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80817 packages/chimerax/core/session.py", line 943, in <lambda> 
    80818 logger.report_exception(preface=preface)) 
    80819 File
    80820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80821 packages/chimerax/core/logger.py", line 421, in report_exception 
    80822 elif probably_chimera1_session(exc_info): 
    80823 File
    80824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80825 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80826 etype, evalue, etraceback = exc_info 
    80827 TypeError: cannot unpack non-iterable NoneType object 
    80828  
    80829 TypeError: cannot unpack non-iterable NoneType object 
    80830  
    80831 File
    80832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80833 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80834 etype, evalue, etraceback = exc_info 
    80835  
    80836 See log for complete Python traceback. 
    80837  
    80838 Traceback (most recent call last): 
    80839 File
    80840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80841 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80842 return self._func(self._name, data) 
    80843 File
    80844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80845 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80846 if v.display: 
    80847 File
    80848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80849 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80850 return self._any_displayed_positions and len(self._positions) > 0 
    80851 TypeError: object of type 'NoneType' has no len() 
    80852  
    80853 During handling of the above exception, another exception occurred: 
    80854  
    80855 Traceback (most recent call last): 
    80856 File
    80857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80858 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80859 if not self.draw_new_frame(): 
    80860 File
    80861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80862 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80863 changed = view.check_for_drawing_change() 
    80864 File
    80865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80866 packages/chimerax/core/graphics/view.py", line 252, in
    80867 check_for_drawing_change 
    80868 trig.activate_trigger('graphics update', self) 
    80869 File
    80870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80871 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80872 trigger.activate(data) 
    80873 File
    80874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80875 packages/chimerax/core/triggerset.py", line 190, in activate 
    80876 ret = handler.invoke(data, self._remove_bad_handlers) 
    80877 File
    80878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80879 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80880 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80881 File
    80882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80883 packages/chimerax/core/session.py", line 943, in <lambda> 
    80884 logger.report_exception(preface=preface)) 
    80885 File
    80886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80887 packages/chimerax/core/logger.py", line 421, in report_exception 
    80888 elif probably_chimera1_session(exc_info): 
    80889 File
    80890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80891 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80892 etype, evalue, etraceback = exc_info 
    80893 TypeError: cannot unpack non-iterable NoneType object 
    80894  
    80895 TypeError: cannot unpack non-iterable NoneType object 
    80896  
    80897 File
    80898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80899 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80900 etype, evalue, etraceback = exc_info 
    80901  
    80902 See log for complete Python traceback. 
    80903  
    80904 Traceback (most recent call last): 
    80905 File
    80906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80907 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80908 return self._func(self._name, data) 
    80909 File
    80910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80911 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80912 if v.display: 
    80913 File
    80914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80915 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80916 return self._any_displayed_positions and len(self._positions) > 0 
    80917 TypeError: object of type 'NoneType' has no len() 
    80918  
    80919 During handling of the above exception, another exception occurred: 
    80920  
    80921 Traceback (most recent call last): 
    80922 File
    80923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80924 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80925 if not self.draw_new_frame(): 
    80926 File
    80927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80928 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80929 changed = view.check_for_drawing_change() 
    80930 File
    80931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80932 packages/chimerax/core/graphics/view.py", line 252, in
    80933 check_for_drawing_change 
    80934 trig.activate_trigger('graphics update', self) 
    80935 File
    80936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80937 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80938 trigger.activate(data) 
    80939 File
    80940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80941 packages/chimerax/core/triggerset.py", line 190, in activate 
    80942 ret = handler.invoke(data, self._remove_bad_handlers) 
    80943 File
    80944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80945 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80946 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80947 File
    80948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80949 packages/chimerax/core/session.py", line 943, in <lambda> 
    80950 logger.report_exception(preface=preface)) 
    80951 File
    80952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80953 packages/chimerax/core/logger.py", line 421, in report_exception 
    80954 elif probably_chimera1_session(exc_info): 
    80955 File
    80956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80957 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80958 etype, evalue, etraceback = exc_info 
    80959 TypeError: cannot unpack non-iterable NoneType object 
    80960  
    80961 TypeError: cannot unpack non-iterable NoneType object 
    80962  
    80963 File
    80964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80965 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80966 etype, evalue, etraceback = exc_info 
    80967  
    80968 See log for complete Python traceback. 
    80969  
    80970 Traceback (most recent call last): 
    80971 File
    80972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80973 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80974 return self._func(self._name, data) 
    80975 File
    80976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80977 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80978 if v.display: 
    80979 File
    80980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80981 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80982 return self._any_displayed_positions and len(self._positions) > 0 
    80983 TypeError: object of type 'NoneType' has no len() 
    80984  
    80985 During handling of the above exception, another exception occurred: 
    80986  
    80987 Traceback (most recent call last): 
    80988 File
    80989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80990 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80991 if not self.draw_new_frame(): 
    80992 File
    80993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80994 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80995 changed = view.check_for_drawing_change() 
    80996 File
    80997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80998 packages/chimerax/core/graphics/view.py", line 252, in
    80999 check_for_drawing_change 
    81000 trig.activate_trigger('graphics update', self) 
    81001 File
    81002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81003 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81004 trigger.activate(data) 
    81005 File
    81006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81007 packages/chimerax/core/triggerset.py", line 190, in activate 
    81008 ret = handler.invoke(data, self._remove_bad_handlers) 
    81009 File
    81010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81011 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81012 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81013 File
    81014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81015 packages/chimerax/core/session.py", line 943, in <lambda> 
    81016 logger.report_exception(preface=preface)) 
    81017 File
    81018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81019 packages/chimerax/core/logger.py", line 421, in report_exception 
    81020 elif probably_chimera1_session(exc_info): 
    81021 File
    81022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81023 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81024 etype, evalue, etraceback = exc_info 
    81025 TypeError: cannot unpack non-iterable NoneType object 
    81026  
    81027 TypeError: cannot unpack non-iterable NoneType object 
    81028  
    81029 File
    81030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81031 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81032 etype, evalue, etraceback = exc_info 
    81033  
    81034 See log for complete Python traceback. 
    81035  
    81036 Traceback (most recent call last): 
    81037 File
    81038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81039 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81040 return self._func(self._name, data) 
    81041 File
    81042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81043 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81044 if v.display: 
    81045 File
    81046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81047 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81048 return self._any_displayed_positions and len(self._positions) > 0 
    81049 TypeError: object of type 'NoneType' has no len() 
    81050  
    81051 During handling of the above exception, another exception occurred: 
    81052  
    81053 Traceback (most recent call last): 
    81054 File
    81055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81056 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81057 if not self.draw_new_frame(): 
    81058 File
    81059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81060 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81061 changed = view.check_for_drawing_change() 
    81062 File
    81063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81064 packages/chimerax/core/graphics/view.py", line 252, in
    81065 check_for_drawing_change 
    81066 trig.activate_trigger('graphics update', self) 
    81067 File
    81068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81069 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81070 trigger.activate(data) 
    81071 File
    81072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81073 packages/chimerax/core/triggerset.py", line 190, in activate 
    81074 ret = handler.invoke(data, self._remove_bad_handlers) 
    81075 File
    81076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81077 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81078 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81079 File
    81080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81081 packages/chimerax/core/session.py", line 943, in <lambda> 
    81082 logger.report_exception(preface=preface)) 
    81083 File
    81084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81085 packages/chimerax/core/logger.py", line 421, in report_exception 
    81086 elif probably_chimera1_session(exc_info): 
    81087 File
    81088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81089 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81090 etype, evalue, etraceback = exc_info 
    81091 TypeError: cannot unpack non-iterable NoneType object 
    81092  
    81093 TypeError: cannot unpack non-iterable NoneType object 
    81094  
    81095 File
    81096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81097 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81098 etype, evalue, etraceback = exc_info 
    81099  
    81100 See log for complete Python traceback. 
    81101  
    81102 Traceback (most recent call last): 
    81103 File
    81104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81105 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81106 return self._func(self._name, data) 
    81107 File
    81108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81109 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81110 if v.display: 
    81111 File
    81112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81113 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81114 return self._any_displayed_positions and len(self._positions) > 0 
    81115 TypeError: object of type 'NoneType' has no len() 
    81116  
    81117 During handling of the above exception, another exception occurred: 
    81118  
    81119 Traceback (most recent call last): 
    81120 File
    81121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81122 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81123 if not self.draw_new_frame(): 
    81124 File
    81125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81126 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81127 changed = view.check_for_drawing_change() 
    81128 File
    81129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81130 packages/chimerax/core/graphics/view.py", line 252, in
    81131 check_for_drawing_change 
    81132 trig.activate_trigger('graphics update', self) 
    81133 File
    81134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81135 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81136 trigger.activate(data) 
    81137 File
    81138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81139 packages/chimerax/core/triggerset.py", line 190, in activate 
    81140 ret = handler.invoke(data, self._remove_bad_handlers) 
    81141 File
    81142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81143 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81144 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81145 File
    81146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81147 packages/chimerax/core/session.py", line 943, in <lambda> 
    81148 logger.report_exception(preface=preface)) 
    81149 File
    81150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81151 packages/chimerax/core/logger.py", line 421, in report_exception 
    81152 elif probably_chimera1_session(exc_info): 
    81153 File
    81154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81155 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81156 etype, evalue, etraceback = exc_info 
    81157 TypeError: cannot unpack non-iterable NoneType object 
    81158  
    81159 TypeError: cannot unpack non-iterable NoneType object 
    81160  
    81161 File
    81162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81163 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81164 etype, evalue, etraceback = exc_info 
    81165  
    81166 See log for complete Python traceback. 
    81167  
    81168 Traceback (most recent call last): 
    81169 File
    81170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81171 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81172 return self._func(self._name, data) 
    81173 File
    81174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81175 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81176 if v.display: 
    81177 File
    81178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81179 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81180 return self._any_displayed_positions and len(self._positions) > 0 
    81181 TypeError: object of type 'NoneType' has no len() 
    81182  
    81183 During handling of the above exception, another exception occurred: 
    81184  
    81185 Traceback (most recent call last): 
    81186 File
    81187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81188 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81189 if not self.draw_new_frame(): 
    81190 File
    81191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81192 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81193 changed = view.check_for_drawing_change() 
    81194 File
    81195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81196 packages/chimerax/core/graphics/view.py", line 252, in
    81197 check_for_drawing_change 
    81198 trig.activate_trigger('graphics update', self) 
    81199 File
    81200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81201 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81202 trigger.activate(data) 
    81203 File
    81204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81205 packages/chimerax/core/triggerset.py", line 190, in activate 
    81206 ret = handler.invoke(data, self._remove_bad_handlers) 
    81207 File
    81208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81209 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81210 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81211 File
    81212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81213 packages/chimerax/core/session.py", line 943, in <lambda> 
    81214 logger.report_exception(preface=preface)) 
    81215 File
    81216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81217 packages/chimerax/core/logger.py", line 421, in report_exception 
    81218 elif probably_chimera1_session(exc_info): 
    81219 File
    81220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81221 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81222 etype, evalue, etraceback = exc_info 
    81223 TypeError: cannot unpack non-iterable NoneType object 
    81224  
    81225 TypeError: cannot unpack non-iterable NoneType object 
    81226  
    81227 File
    81228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81229 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81230 etype, evalue, etraceback = exc_info 
    81231  
    81232 See log for complete Python traceback. 
    81233  
    81234 Traceback (most recent call last): 
    81235 File
    81236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81237 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81238 return self._func(self._name, data) 
    81239 File
    81240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81241 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81242 if v.display: 
    81243 File
    81244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81245 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81246 return self._any_displayed_positions and len(self._positions) > 0 
    81247 TypeError: object of type 'NoneType' has no len() 
    81248  
    81249 During handling of the above exception, another exception occurred: 
    81250  
    81251 Traceback (most recent call last): 
    81252 File
    81253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81254 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81255 if not self.draw_new_frame(): 
    81256 File
    81257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81258 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81259 changed = view.check_for_drawing_change() 
    81260 File
    81261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81262 packages/chimerax/core/graphics/view.py", line 252, in
    81263 check_for_drawing_change 
    81264 trig.activate_trigger('graphics update', self) 
    81265 File
    81266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81267 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81268 trigger.activate(data) 
    81269 File
    81270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81271 packages/chimerax/core/triggerset.py", line 190, in activate 
    81272 ret = handler.invoke(data, self._remove_bad_handlers) 
    81273 File
    81274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81275 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81276 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81277 File
    81278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81279 packages/chimerax/core/session.py", line 943, in <lambda> 
    81280 logger.report_exception(preface=preface)) 
    81281 File
    81282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81283 packages/chimerax/core/logger.py", line 421, in report_exception 
    81284 elif probably_chimera1_session(exc_info): 
    81285 File
    81286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81287 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81288 etype, evalue, etraceback = exc_info 
    81289 TypeError: cannot unpack non-iterable NoneType object 
    81290  
    81291 TypeError: cannot unpack non-iterable NoneType object 
    81292  
    81293 File
    81294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81295 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81296 etype, evalue, etraceback = exc_info 
    81297  
    81298 See log for complete Python traceback. 
    81299  
    81300 Traceback (most recent call last): 
    81301 File
    81302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81303 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81304 return self._func(self._name, data) 
    81305 File
    81306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81307 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81308 if v.display: 
    81309 File
    81310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81311 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81312 return self._any_displayed_positions and len(self._positions) > 0 
    81313 TypeError: object of type 'NoneType' has no len() 
    81314  
    81315 During handling of the above exception, another exception occurred: 
    81316  
    81317 Traceback (most recent call last): 
    81318 File
    81319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81320 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81321 if not self.draw_new_frame(): 
    81322 File
    81323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81324 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81325 changed = view.check_for_drawing_change() 
    81326 File
    81327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81328 packages/chimerax/core/graphics/view.py", line 252, in
    81329 check_for_drawing_change 
    81330 trig.activate_trigger('graphics update', self) 
    81331 File
    81332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81333 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81334 trigger.activate(data) 
    81335 File
    81336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81337 packages/chimerax/core/triggerset.py", line 190, in activate 
    81338 ret = handler.invoke(data, self._remove_bad_handlers) 
    81339 File
    81340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81341 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81342 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81343 File
    81344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81345 packages/chimerax/core/session.py", line 943, in <lambda> 
    81346 logger.report_exception(preface=preface)) 
    81347 File
    81348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81349 packages/chimerax/core/logger.py", line 421, in report_exception 
    81350 elif probably_chimera1_session(exc_info): 
    81351 File
    81352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81353 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81354 etype, evalue, etraceback = exc_info 
    81355 TypeError: cannot unpack non-iterable NoneType object 
    81356  
    81357 TypeError: cannot unpack non-iterable NoneType object 
    81358  
    81359 File
    81360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81361 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81362 etype, evalue, etraceback = exc_info 
    81363  
    81364 See log for complete Python traceback. 
    81365  
    81366 Traceback (most recent call last): 
    81367 File
    81368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81369 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81370 return self._func(self._name, data) 
    81371 File
    81372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81373 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81374 if v.display: 
    81375 File
    81376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81377 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81378 return self._any_displayed_positions and len(self._positions) > 0 
    81379 TypeError: object of type 'NoneType' has no len() 
    81380  
    81381 During handling of the above exception, another exception occurred: 
    81382  
    81383 Traceback (most recent call last): 
    81384 File
    81385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81386 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81387 if not self.draw_new_frame(): 
    81388 File
    81389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81390 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81391 changed = view.check_for_drawing_change() 
    81392 File
    81393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81394 packages/chimerax/core/graphics/view.py", line 252, in
    81395 check_for_drawing_change 
    81396 trig.activate_trigger('graphics update', self) 
    81397 File
    81398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81399 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81400 trigger.activate(data) 
    81401 File
    81402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81403 packages/chimerax/core/triggerset.py", line 190, in activate 
    81404 ret = handler.invoke(data, self._remove_bad_handlers) 
    81405 File
    81406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81407 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81408 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81409 File
    81410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81411 packages/chimerax/core/session.py", line 943, in <lambda> 
    81412 logger.report_exception(preface=preface)) 
    81413 File
    81414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81415 packages/chimerax/core/logger.py", line 421, in report_exception 
    81416 elif probably_chimera1_session(exc_info): 
    81417 File
    81418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81419 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81420 etype, evalue, etraceback = exc_info 
    81421 TypeError: cannot unpack non-iterable NoneType object 
    81422  
    81423 TypeError: cannot unpack non-iterable NoneType object 
    81424  
    81425 File
    81426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81427 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81428 etype, evalue, etraceback = exc_info 
    81429  
    81430 See log for complete Python traceback. 
    81431  
    81432 Traceback (most recent call last): 
    81433 File
    81434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81435 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81436 return self._func(self._name, data) 
    81437 File
    81438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81439 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81440 if v.display: 
    81441 File
    81442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81443 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81444 return self._any_displayed_positions and len(self._positions) > 0 
    81445 TypeError: object of type 'NoneType' has no len() 
    81446  
    81447 During handling of the above exception, another exception occurred: 
    81448  
    81449 Traceback (most recent call last): 
    81450 File
    81451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81452 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81453 if not self.draw_new_frame(): 
    81454 File
    81455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81456 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81457 changed = view.check_for_drawing_change() 
    81458 File
    81459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81460 packages/chimerax/core/graphics/view.py", line 252, in
    81461 check_for_drawing_change 
    81462 trig.activate_trigger('graphics update', self) 
    81463 File
    81464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81465 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81466 trigger.activate(data) 
    81467 File
    81468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81469 packages/chimerax/core/triggerset.py", line 190, in activate 
    81470 ret = handler.invoke(data, self._remove_bad_handlers) 
    81471 File
    81472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81473 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81474 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81475 File
    81476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81477 packages/chimerax/core/session.py", line 943, in <lambda> 
    81478 logger.report_exception(preface=preface)) 
    81479 File
    81480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81481 packages/chimerax/core/logger.py", line 421, in report_exception 
    81482 elif probably_chimera1_session(exc_info): 
    81483 File
    81484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81485 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81486 etype, evalue, etraceback = exc_info 
    81487 TypeError: cannot unpack non-iterable NoneType object 
    81488  
    81489 TypeError: cannot unpack non-iterable NoneType object 
    81490  
    81491 File
    81492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81493 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81494 etype, evalue, etraceback = exc_info 
    81495  
    81496 See log for complete Python traceback. 
    81497  
    81498 Traceback (most recent call last): 
    81499 File
    81500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81501 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81502 return self._func(self._name, data) 
    81503 File
    81504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81505 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81506 if v.display: 
    81507 File
    81508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81509 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81510 return self._any_displayed_positions and len(self._positions) > 0 
    81511 TypeError: object of type 'NoneType' has no len() 
    81512  
    81513 During handling of the above exception, another exception occurred: 
    81514  
    81515 Traceback (most recent call last): 
    81516 File
    81517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81518 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81519 if not self.draw_new_frame(): 
    81520 File
    81521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81522 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81523 changed = view.check_for_drawing_change() 
    81524 File
    81525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81526 packages/chimerax/core/graphics/view.py", line 252, in
    81527 check_for_drawing_change 
    81528 trig.activate_trigger('graphics update', self) 
    81529 File
    81530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81531 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81532 trigger.activate(data) 
    81533 File
    81534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81535 packages/chimerax/core/triggerset.py", line 190, in activate 
    81536 ret = handler.invoke(data, self._remove_bad_handlers) 
    81537 File
    81538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81539 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81540 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81541 File
    81542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81543 packages/chimerax/core/session.py", line 943, in <lambda> 
    81544 logger.report_exception(preface=preface)) 
    81545 File
    81546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81547 packages/chimerax/core/logger.py", line 421, in report_exception 
    81548 elif probably_chimera1_session(exc_info): 
    81549 File
    81550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81551 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81552 etype, evalue, etraceback = exc_info 
    81553 TypeError: cannot unpack non-iterable NoneType object 
    81554  
    81555 TypeError: cannot unpack non-iterable NoneType object 
    81556  
    81557 File
    81558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81559 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81560 etype, evalue, etraceback = exc_info 
    81561  
    81562 See log for complete Python traceback. 
    81563  
    81564 Traceback (most recent call last): 
    81565 File
    81566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81567 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81568 return self._func(self._name, data) 
    81569 File
    81570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81571 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81572 if v.display: 
    81573 File
    81574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81575 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81576 return self._any_displayed_positions and len(self._positions) > 0 
    81577 TypeError: object of type 'NoneType' has no len() 
    81578  
    81579 During handling of the above exception, another exception occurred: 
    81580  
    81581 Traceback (most recent call last): 
    81582 File
    81583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81584 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81585 if not self.draw_new_frame(): 
    81586 File
    81587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81588 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81589 changed = view.check_for_drawing_change() 
    81590 File
    81591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81592 packages/chimerax/core/graphics/view.py", line 252, in
    81593 check_for_drawing_change 
    81594 trig.activate_trigger('graphics update', self) 
    81595 File
    81596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81597 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81598 trigger.activate(data) 
    81599 File
    81600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81601 packages/chimerax/core/triggerset.py", line 190, in activate 
    81602 ret = handler.invoke(data, self._remove_bad_handlers) 
    81603 File
    81604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81605 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81606 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81607 File
    81608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81609 packages/chimerax/core/session.py", line 943, in <lambda> 
    81610 logger.report_exception(preface=preface)) 
    81611 File
    81612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81613 packages/chimerax/core/logger.py", line 421, in report_exception 
    81614 elif probably_chimera1_session(exc_info): 
    81615 File
    81616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81617 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81618 etype, evalue, etraceback = exc_info 
    81619 TypeError: cannot unpack non-iterable NoneType object 
    81620  
    81621 TypeError: cannot unpack non-iterable NoneType object 
    81622  
    81623 File
    81624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81625 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81626 etype, evalue, etraceback = exc_info 
    81627  
    81628 See log for complete Python traceback. 
    81629  
    81630 Traceback (most recent call last): 
    81631 File
    81632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81633 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81634 return self._func(self._name, data) 
    81635 File
    81636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81637 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81638 if v.display: 
    81639 File
    81640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81641 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81642 return self._any_displayed_positions and len(self._positions) > 0 
    81643 TypeError: object of type 'NoneType' has no len() 
    81644  
    81645 During handling of the above exception, another exception occurred: 
    81646  
    81647 Traceback (most recent call last): 
    81648 File
    81649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81650 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81651 if not self.draw_new_frame(): 
    81652 File
    81653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81654 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81655 changed = view.check_for_drawing_change() 
    81656 File
    81657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81658 packages/chimerax/core/graphics/view.py", line 252, in
    81659 check_for_drawing_change 
    81660 trig.activate_trigger('graphics update', self) 
    81661 File
    81662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81663 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81664 trigger.activate(data) 
    81665 File
    81666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81667 packages/chimerax/core/triggerset.py", line 190, in activate 
    81668 ret = handler.invoke(data, self._remove_bad_handlers) 
    81669 File
    81670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81671 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81672 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81673 File
    81674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81675 packages/chimerax/core/session.py", line 943, in <lambda> 
    81676 logger.report_exception(preface=preface)) 
    81677 File
    81678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81679 packages/chimerax/core/logger.py", line 421, in report_exception 
    81680 elif probably_chimera1_session(exc_info): 
    81681 File
    81682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81683 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81684 etype, evalue, etraceback = exc_info 
    81685 TypeError: cannot unpack non-iterable NoneType object 
    81686  
    81687 TypeError: cannot unpack non-iterable NoneType object 
    81688  
    81689 File
    81690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81691 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81692 etype, evalue, etraceback = exc_info 
    81693  
    81694 See log for complete Python traceback. 
    81695  
    81696 Traceback (most recent call last): 
    81697 File
    81698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81699 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81700 return self._func(self._name, data) 
    81701 File
    81702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81703 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81704 if v.display: 
    81705 File
    81706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81707 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81708 return self._any_displayed_positions and len(self._positions) > 0 
    81709 TypeError: object of type 'NoneType' has no len() 
    81710  
    81711 During handling of the above exception, another exception occurred: 
    81712  
    81713 Traceback (most recent call last): 
    81714 File
    81715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81716 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81717 if not self.draw_new_frame(): 
    81718 File
    81719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81720 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81721 changed = view.check_for_drawing_change() 
    81722 File
    81723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81724 packages/chimerax/core/graphics/view.py", line 252, in
    81725 check_for_drawing_change 
    81726 trig.activate_trigger('graphics update', self) 
    81727 File
    81728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81729 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81730 trigger.activate(data) 
    81731 File
    81732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81733 packages/chimerax/core/triggerset.py", line 190, in activate 
    81734 ret = handler.invoke(data, self._remove_bad_handlers) 
    81735 File
    81736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81737 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81738 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81739 File
    81740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81741 packages/chimerax/core/session.py", line 943, in <lambda> 
    81742 logger.report_exception(preface=preface)) 
    81743 File
    81744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81745 packages/chimerax/core/logger.py", line 421, in report_exception 
    81746 elif probably_chimera1_session(exc_info): 
    81747 File
    81748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81749 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81750 etype, evalue, etraceback = exc_info 
    81751 TypeError: cannot unpack non-iterable NoneType object 
    81752  
    81753 TypeError: cannot unpack non-iterable NoneType object 
    81754  
    81755 File
    81756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81757 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81758 etype, evalue, etraceback = exc_info 
    81759  
    81760 See log for complete Python traceback. 
    81761  
    81762 Traceback (most recent call last): 
    81763 File
    81764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81765 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81766 return self._func(self._name, data) 
    81767 File
    81768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81769 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81770 if v.display: 
    81771 File
    81772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81773 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81774 return self._any_displayed_positions and len(self._positions) > 0 
    81775 TypeError: object of type 'NoneType' has no len() 
    81776  
    81777 During handling of the above exception, another exception occurred: 
    81778  
    81779 Traceback (most recent call last): 
    81780 File
    81781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81782 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81783 if not self.draw_new_frame(): 
    81784 File
    81785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81786 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81787 changed = view.check_for_drawing_change() 
    81788 File
    81789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81790 packages/chimerax/core/graphics/view.py", line 252, in
    81791 check_for_drawing_change 
    81792 trig.activate_trigger('graphics update', self) 
    81793 File
    81794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81795 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81796 trigger.activate(data) 
    81797 File
    81798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81799 packages/chimerax/core/triggerset.py", line 190, in activate 
    81800 ret = handler.invoke(data, self._remove_bad_handlers) 
    81801 File
    81802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81803 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81804 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81805 File
    81806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81807 packages/chimerax/core/session.py", line 943, in <lambda> 
    81808 logger.report_exception(preface=preface)) 
    81809 File
    81810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81811 packages/chimerax/core/logger.py", line 421, in report_exception 
    81812 elif probably_chimera1_session(exc_info): 
    81813 File
    81814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81815 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81816 etype, evalue, etraceback = exc_info 
    81817 TypeError: cannot unpack non-iterable NoneType object 
    81818  
    81819 TypeError: cannot unpack non-iterable NoneType object 
    81820  
    81821 File
    81822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81823 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81824 etype, evalue, etraceback = exc_info 
    81825  
    81826 See log for complete Python traceback. 
    81827  
    81828 Traceback (most recent call last): 
    81829 File
    81830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81831 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81832 return self._func(self._name, data) 
    81833 File
    81834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81835 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81836 if v.display: 
    81837 File
    81838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81839 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81840 return self._any_displayed_positions and len(self._positions) > 0 
    81841 TypeError: object of type 'NoneType' has no len() 
    81842  
    81843 During handling of the above exception, another exception occurred: 
    81844  
    81845 Traceback (most recent call last): 
    81846 File
    81847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81848 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81849 if not self.draw_new_frame(): 
    81850 File
    81851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81852 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81853 changed = view.check_for_drawing_change() 
    81854 File
    81855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81856 packages/chimerax/core/graphics/view.py", line 252, in
    81857 check_for_drawing_change 
    81858 trig.activate_trigger('graphics update', self) 
    81859 File
    81860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81861 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81862 trigger.activate(data) 
    81863 File
    81864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81865 packages/chimerax/core/triggerset.py", line 190, in activate 
    81866 ret = handler.invoke(data, self._remove_bad_handlers) 
    81867 File
    81868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81869 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81870 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81871 File
    81872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81873 packages/chimerax/core/session.py", line 943, in <lambda> 
    81874 logger.report_exception(preface=preface)) 
    81875 File
    81876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81877 packages/chimerax/core/logger.py", line 421, in report_exception 
    81878 elif probably_chimera1_session(exc_info): 
    81879 File
    81880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81881 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81882 etype, evalue, etraceback = exc_info 
    81883 TypeError: cannot unpack non-iterable NoneType object 
    81884  
    81885 TypeError: cannot unpack non-iterable NoneType object 
    81886  
    81887 File
    81888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81889 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81890 etype, evalue, etraceback = exc_info 
    81891  
    81892 See log for complete Python traceback. 
    81893  
    81894 Traceback (most recent call last): 
    81895 File
    81896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81897 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81898 return self._func(self._name, data) 
    81899 File
    81900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81901 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81902 if v.display: 
    81903 File
    81904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81905 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81906 return self._any_displayed_positions and len(self._positions) > 0 
    81907 TypeError: object of type 'NoneType' has no len() 
    81908  
    81909 During handling of the above exception, another exception occurred: 
    81910  
    81911 Traceback (most recent call last): 
    81912 File
    81913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81914 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81915 if not self.draw_new_frame(): 
    81916 File
    81917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81918 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81919 changed = view.check_for_drawing_change() 
    81920 File
    81921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81922 packages/chimerax/core/graphics/view.py", line 252, in
    81923 check_for_drawing_change 
    81924 trig.activate_trigger('graphics update', self) 
    81925 File
    81926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81927 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81928 trigger.activate(data) 
    81929 File
    81930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81931 packages/chimerax/core/triggerset.py", line 190, in activate 
    81932 ret = handler.invoke(data, self._remove_bad_handlers) 
    81933 File
    81934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81935 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81936 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81937 File
    81938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81939 packages/chimerax/core/session.py", line 943, in <lambda> 
    81940 logger.report_exception(preface=preface)) 
    81941 File
    81942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81943 packages/chimerax/core/logger.py", line 421, in report_exception 
    81944 elif probably_chimera1_session(exc_info): 
    81945 File
    81946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81947 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81948 etype, evalue, etraceback = exc_info 
    81949 TypeError: cannot unpack non-iterable NoneType object 
    81950  
    81951 TypeError: cannot unpack non-iterable NoneType object 
    81952  
    81953 File
    81954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81955 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81956 etype, evalue, etraceback = exc_info 
    81957  
    81958 See log for complete Python traceback. 
    81959  
    81960 Traceback (most recent call last): 
    81961 File
    81962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81963 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81964 return self._func(self._name, data) 
    81965 File
    81966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81967 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81968 if v.display: 
    81969 File
    81970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81971 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81972 return self._any_displayed_positions and len(self._positions) > 0 
    81973 TypeError: object of type 'NoneType' has no len() 
    81974  
    81975 During handling of the above exception, another exception occurred: 
    81976  
    81977 Traceback (most recent call last): 
    81978 File
    81979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81980 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81981 if not self.draw_new_frame(): 
    81982 File
    81983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81984 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81985 changed = view.check_for_drawing_change() 
    81986 File
    81987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81988 packages/chimerax/core/graphics/view.py", line 252, in
    81989 check_for_drawing_change 
    81990 trig.activate_trigger('graphics update', self) 
    81991 File
    81992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81993 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81994 trigger.activate(data) 
    81995 File
    81996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81997 packages/chimerax/core/triggerset.py", line 190, in activate 
    81998 ret = handler.invoke(data, self._remove_bad_handlers) 
    81999 File
    82000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82001 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82002 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82003 File
    82004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82005 packages/chimerax/core/session.py", line 943, in <lambda> 
    82006 logger.report_exception(preface=preface)) 
    82007 File
    82008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82009 packages/chimerax/core/logger.py", line 421, in report_exception 
    82010 elif probably_chimera1_session(exc_info): 
    82011 File
    82012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82013 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82014 etype, evalue, etraceback = exc_info 
    82015 TypeError: cannot unpack non-iterable NoneType object 
    82016  
    82017 TypeError: cannot unpack non-iterable NoneType object 
    82018  
    82019 File
    82020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82021 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82022 etype, evalue, etraceback = exc_info 
    82023  
    82024 See log for complete Python traceback. 
    82025  
    82026 Traceback (most recent call last): 
    82027 File
    82028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82029 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82030 return self._func(self._name, data) 
    82031 File
    82032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82033 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82034 if v.display: 
    82035 File
    82036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82037 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82038 return self._any_displayed_positions and len(self._positions) > 0 
    82039 TypeError: object of type 'NoneType' has no len() 
    82040  
    82041 During handling of the above exception, another exception occurred: 
    82042  
    82043 Traceback (most recent call last): 
    82044 File
    82045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82046 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82047 if not self.draw_new_frame(): 
    82048 File
    82049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82050 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82051 changed = view.check_for_drawing_change() 
    82052 File
    82053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82054 packages/chimerax/core/graphics/view.py", line 252, in
    82055 check_for_drawing_change 
    82056 trig.activate_trigger('graphics update', self) 
    82057 File
    82058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82059 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82060 trigger.activate(data) 
    82061 File
    82062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82063 packages/chimerax/core/triggerset.py", line 190, in activate 
    82064 ret = handler.invoke(data, self._remove_bad_handlers) 
    82065 File
    82066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82067 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82068 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82069 File
    82070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82071 packages/chimerax/core/session.py", line 943, in <lambda> 
    82072 logger.report_exception(preface=preface)) 
    82073 File
    82074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82075 packages/chimerax/core/logger.py", line 421, in report_exception 
    82076 elif probably_chimera1_session(exc_info): 
    82077 File
    82078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82079 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82080 etype, evalue, etraceback = exc_info 
    82081 TypeError: cannot unpack non-iterable NoneType object 
    82082  
    82083 TypeError: cannot unpack non-iterable NoneType object 
    82084  
    82085 File
    82086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82087 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82088 etype, evalue, etraceback = exc_info 
    82089  
    82090 See log for complete Python traceback. 
    82091  
    82092 Traceback (most recent call last): 
    82093 File
    82094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82095 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82096 return self._func(self._name, data) 
    82097 File
    82098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82099 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82100 if v.display: 
    82101 File
    82102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82103 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82104 return self._any_displayed_positions and len(self._positions) > 0 
    82105 TypeError: object of type 'NoneType' has no len() 
    82106  
    82107 During handling of the above exception, another exception occurred: 
    82108  
    82109 Traceback (most recent call last): 
    82110 File
    82111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82112 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82113 if not self.draw_new_frame(): 
    82114 File
    82115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82116 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82117 changed = view.check_for_drawing_change() 
    82118 File
    82119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82120 packages/chimerax/core/graphics/view.py", line 252, in
    82121 check_for_drawing_change 
    82122 trig.activate_trigger('graphics update', self) 
    82123 File
    82124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82125 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82126 trigger.activate(data) 
    82127 File
    82128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82129 packages/chimerax/core/triggerset.py", line 190, in activate 
    82130 ret = handler.invoke(data, self._remove_bad_handlers) 
    82131 File
    82132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82133 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82134 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82135 File
    82136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82137 packages/chimerax/core/session.py", line 943, in <lambda> 
    82138 logger.report_exception(preface=preface)) 
    82139 File
    82140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82141 packages/chimerax/core/logger.py", line 421, in report_exception 
    82142 elif probably_chimera1_session(exc_info): 
    82143 File
    82144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82145 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82146 etype, evalue, etraceback = exc_info 
    82147 TypeError: cannot unpack non-iterable NoneType object 
    82148  
    82149 TypeError: cannot unpack non-iterable NoneType object 
    82150  
    82151 File
    82152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82153 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82154 etype, evalue, etraceback = exc_info 
    82155  
    82156 See log for complete Python traceback. 
    82157  
    82158 Traceback (most recent call last): 
    82159 File
    82160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82161 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82162 return self._func(self._name, data) 
    82163 File
    82164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82165 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82166 if v.display: 
    82167 File
    82168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82169 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82170 return self._any_displayed_positions and len(self._positions) > 0 
    82171 TypeError: object of type 'NoneType' has no len() 
    82172  
    82173 During handling of the above exception, another exception occurred: 
    82174  
    82175 Traceback (most recent call last): 
    82176 File
    82177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82178 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82179 if not self.draw_new_frame(): 
    82180 File
    82181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82182 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82183 changed = view.check_for_drawing_change() 
    82184 File
    82185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82186 packages/chimerax/core/graphics/view.py", line 252, in
    82187 check_for_drawing_change 
    82188 trig.activate_trigger('graphics update', self) 
    82189 File
    82190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82191 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82192 trigger.activate(data) 
    82193 File
    82194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82195 packages/chimerax/core/triggerset.py", line 190, in activate 
    82196 ret = handler.invoke(data, self._remove_bad_handlers) 
    82197 File
    82198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82199 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82200 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82201 File
    82202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82203 packages/chimerax/core/session.py", line 943, in <lambda> 
    82204 logger.report_exception(preface=preface)) 
    82205 File
    82206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82207 packages/chimerax/core/logger.py", line 421, in report_exception 
    82208 elif probably_chimera1_session(exc_info): 
    82209 File
    82210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82211 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82212 etype, evalue, etraceback = exc_info 
    82213 TypeError: cannot unpack non-iterable NoneType object 
    82214  
    82215 TypeError: cannot unpack non-iterable NoneType object 
    82216  
    82217 File
    82218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82219 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82220 etype, evalue, etraceback = exc_info 
    82221  
    82222 See log for complete Python traceback. 
    82223  
    82224 Traceback (most recent call last): 
    82225 File
    82226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82227 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82228 return self._func(self._name, data) 
    82229 File
    82230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82231 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82232 if v.display: 
    82233 File
    82234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82235 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82236 return self._any_displayed_positions and len(self._positions) > 0 
    82237 TypeError: object of type 'NoneType' has no len() 
    82238  
    82239 During handling of the above exception, another exception occurred: 
    82240  
    82241 Traceback (most recent call last): 
    82242 File
    82243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82244 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82245 if not self.draw_new_frame(): 
    82246 File
    82247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82248 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82249 changed = view.check_for_drawing_change() 
    82250 File
    82251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82252 packages/chimerax/core/graphics/view.py", line 252, in
    82253 check_for_drawing_change 
    82254 trig.activate_trigger('graphics update', self) 
    82255 File
    82256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82257 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82258 trigger.activate(data) 
    82259 File
    82260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82261 packages/chimerax/core/triggerset.py", line 190, in activate 
    82262 ret = handler.invoke(data, self._remove_bad_handlers) 
    82263 File
    82264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82265 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82266 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82267 File
    82268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82269 packages/chimerax/core/session.py", line 943, in <lambda> 
    82270 logger.report_exception(preface=preface)) 
    82271 File
    82272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82273 packages/chimerax/core/logger.py", line 421, in report_exception 
    82274 elif probably_chimera1_session(exc_info): 
    82275 File
    82276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82277 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82278 etype, evalue, etraceback = exc_info 
    82279 TypeError: cannot unpack non-iterable NoneType object 
    82280  
    82281 TypeError: cannot unpack non-iterable NoneType object 
    82282  
    82283 File
    82284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82285 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82286 etype, evalue, etraceback = exc_info 
    82287  
    82288 See log for complete Python traceback. 
    82289  
    82290 Traceback (most recent call last): 
    82291 File
    82292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82293 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82294 return self._func(self._name, data) 
    82295 File
    82296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82297 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82298 if v.display: 
    82299 File
    82300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82301 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82302 return self._any_displayed_positions and len(self._positions) > 0 
    82303 TypeError: object of type 'NoneType' has no len() 
    82304  
    82305 During handling of the above exception, another exception occurred: 
    82306  
    82307 Traceback (most recent call last): 
    82308 File
    82309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82310 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82311 if not self.draw_new_frame(): 
    82312 File
    82313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82314 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82315 changed = view.check_for_drawing_change() 
    82316 File
    82317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82318 packages/chimerax/core/graphics/view.py", line 252, in
    82319 check_for_drawing_change 
    82320 trig.activate_trigger('graphics update', self) 
    82321 File
    82322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82323 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82324 trigger.activate(data) 
    82325 File
    82326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82327 packages/chimerax/core/triggerset.py", line 190, in activate 
    82328 ret = handler.invoke(data, self._remove_bad_handlers) 
    82329 File
    82330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82331 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82332 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82333 File
    82334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82335 packages/chimerax/core/session.py", line 943, in <lambda> 
    82336 logger.report_exception(preface=preface)) 
    82337 File
    82338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82339 packages/chimerax/core/logger.py", line 421, in report_exception 
    82340 elif probably_chimera1_session(exc_info): 
    82341 File
    82342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82343 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82344 etype, evalue, etraceback = exc_info 
    82345 TypeError: cannot unpack non-iterable NoneType object 
    82346  
    82347 TypeError: cannot unpack non-iterable NoneType object 
    82348  
    82349 File
    82350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82351 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82352 etype, evalue, etraceback = exc_info 
    82353  
    82354 See log for complete Python traceback. 
    82355  
    82356 Traceback (most recent call last): 
    82357 File
    82358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82359 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82360 return self._func(self._name, data) 
    82361 File
    82362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82363 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82364 if v.display: 
    82365 File
    82366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82367 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82368 return self._any_displayed_positions and len(self._positions) > 0 
    82369 TypeError: object of type 'NoneType' has no len() 
    82370  
    82371 During handling of the above exception, another exception occurred: 
    82372  
    82373 Traceback (most recent call last): 
    82374 File
    82375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82376 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82377 if not self.draw_new_frame(): 
    82378 File
    82379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82380 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82381 changed = view.check_for_drawing_change() 
    82382 File
    82383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82384 packages/chimerax/core/graphics/view.py", line 252, in
    82385 check_for_drawing_change 
    82386 trig.activate_trigger('graphics update', self) 
    82387 File
    82388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82389 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82390 trigger.activate(data) 
    82391 File
    82392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82393 packages/chimerax/core/triggerset.py", line 190, in activate 
    82394 ret = handler.invoke(data, self._remove_bad_handlers) 
    82395 File
    82396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82397 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82398 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82399 File
    82400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82401 packages/chimerax/core/session.py", line 943, in <lambda> 
    82402 logger.report_exception(preface=preface)) 
    82403 File
    82404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82405 packages/chimerax/core/logger.py", line 421, in report_exception 
    82406 elif probably_chimera1_session(exc_info): 
    82407 File
    82408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82409 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82410 etype, evalue, etraceback = exc_info 
    82411 TypeError: cannot unpack non-iterable NoneType object 
    82412  
    82413 TypeError: cannot unpack non-iterable NoneType object 
    82414  
    82415 File
    82416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82417 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82418 etype, evalue, etraceback = exc_info 
    82419  
    82420 See log for complete Python traceback. 
    82421  
    82422 Traceback (most recent call last): 
    82423 File
    82424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82425 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82426 return self._func(self._name, data) 
    82427 File
    82428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82429 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82430 if v.display: 
    82431 File
    82432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82433 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82434 return self._any_displayed_positions and len(self._positions) > 0 
    82435 TypeError: object of type 'NoneType' has no len() 
    82436  
    82437 During handling of the above exception, another exception occurred: 
    82438  
    82439 Traceback (most recent call last): 
    82440 File
    82441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82442 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82443 if not self.draw_new_frame(): 
    82444 File
    82445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82446 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82447 changed = view.check_for_drawing_change() 
    82448 File
    82449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82450 packages/chimerax/core/graphics/view.py", line 252, in
    82451 check_for_drawing_change 
    82452 trig.activate_trigger('graphics update', self) 
    82453 File
    82454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82455 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82456 trigger.activate(data) 
    82457 File
    82458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82459 packages/chimerax/core/triggerset.py", line 190, in activate 
    82460 ret = handler.invoke(data, self._remove_bad_handlers) 
    82461 File
    82462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82463 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82464 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82465 File
    82466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82467 packages/chimerax/core/session.py", line 943, in <lambda> 
    82468 logger.report_exception(preface=preface)) 
    82469 File
    82470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82471 packages/chimerax/core/logger.py", line 421, in report_exception 
    82472 elif probably_chimera1_session(exc_info): 
    82473 File
    82474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82475 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82476 etype, evalue, etraceback = exc_info 
    82477 TypeError: cannot unpack non-iterable NoneType object 
    82478  
    82479 TypeError: cannot unpack non-iterable NoneType object 
    82480  
    82481 File
    82482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82483 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82484 etype, evalue, etraceback = exc_info 
    82485  
    82486 See log for complete Python traceback. 
    82487  
    82488 Traceback (most recent call last): 
    82489 File
    82490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82491 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82492 return self._func(self._name, data) 
    82493 File
    82494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82495 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82496 if v.display: 
    82497 File
    82498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82499 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82500 return self._any_displayed_positions and len(self._positions) > 0 
    82501 TypeError: object of type 'NoneType' has no len() 
    82502  
    82503 During handling of the above exception, another exception occurred: 
    82504  
    82505 Traceback (most recent call last): 
    82506 File
    82507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82508 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82509 if not self.draw_new_frame(): 
    82510 File
    82511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82512 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82513 changed = view.check_for_drawing_change() 
    82514 File
    82515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82516 packages/chimerax/core/graphics/view.py", line 252, in
    82517 check_for_drawing_change 
    82518 trig.activate_trigger('graphics update', self) 
    82519 File
    82520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82521 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82522 trigger.activate(data) 
    82523 File
    82524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82525 packages/chimerax/core/triggerset.py", line 190, in activate 
    82526 ret = handler.invoke(data, self._remove_bad_handlers) 
    82527 File
    82528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82529 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82530 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82531 File
    82532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82533 packages/chimerax/core/session.py", line 943, in <lambda> 
    82534 logger.report_exception(preface=preface)) 
    82535 File
    82536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82537 packages/chimerax/core/logger.py", line 421, in report_exception 
    82538 elif probably_chimera1_session(exc_info): 
    82539 File
    82540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82541 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82542 etype, evalue, etraceback = exc_info 
    82543 TypeError: cannot unpack non-iterable NoneType object 
    82544  
    82545 TypeError: cannot unpack non-iterable NoneType object 
    82546  
    82547 File
    82548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82549 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82550 etype, evalue, etraceback = exc_info 
    82551  
    82552 See log for complete Python traceback. 
    82553  
    82554 Traceback (most recent call last): 
    82555 File
    82556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82557 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82558 return self._func(self._name, data) 
    82559 File
    82560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82561 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82562 if v.display: 
    82563 File
    82564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82565 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82566 return self._any_displayed_positions and len(self._positions) > 0 
    82567 TypeError: object of type 'NoneType' has no len() 
    82568  
    82569 During handling of the above exception, another exception occurred: 
    82570  
    82571 Traceback (most recent call last): 
    82572 File
    82573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82574 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82575 if not self.draw_new_frame(): 
    82576 File
    82577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82578 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82579 changed = view.check_for_drawing_change() 
    82580 File
    82581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82582 packages/chimerax/core/graphics/view.py", line 252, in
    82583 check_for_drawing_change 
    82584 trig.activate_trigger('graphics update', self) 
    82585 File
    82586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82587 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82588 trigger.activate(data) 
    82589 File
    82590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82591 packages/chimerax/core/triggerset.py", line 190, in activate 
    82592 ret = handler.invoke(data, self._remove_bad_handlers) 
    82593 File
    82594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82595 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82596 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82597 File
    82598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82599 packages/chimerax/core/session.py", line 943, in <lambda> 
    82600 logger.report_exception(preface=preface)) 
    82601 File
    82602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82603 packages/chimerax/core/logger.py", line 421, in report_exception 
    82604 elif probably_chimera1_session(exc_info): 
    82605 File
    82606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82607 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82608 etype, evalue, etraceback = exc_info 
    82609 TypeError: cannot unpack non-iterable NoneType object 
    82610  
    82611 TypeError: cannot unpack non-iterable NoneType object 
    82612  
    82613 File
    82614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82615 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82616 etype, evalue, etraceback = exc_info 
    82617  
    82618 See log for complete Python traceback. 
    82619  
    82620 Traceback (most recent call last): 
    82621 File
    82622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82623 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82624 return self._func(self._name, data) 
    82625 File
    82626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82627 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82628 if v.display: 
    82629 File
    82630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82631 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82632 return self._any_displayed_positions and len(self._positions) > 0 
    82633 TypeError: object of type 'NoneType' has no len() 
    82634  
    82635 During handling of the above exception, another exception occurred: 
    82636  
    82637 Traceback (most recent call last): 
    82638 File
    82639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82640 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82641 if not self.draw_new_frame(): 
    82642 File
    82643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82644 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82645 changed = view.check_for_drawing_change() 
    82646 File
    82647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82648 packages/chimerax/core/graphics/view.py", line 252, in
    82649 check_for_drawing_change 
    82650 trig.activate_trigger('graphics update', self) 
    82651 File
    82652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82653 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82654 trigger.activate(data) 
    82655 File
    82656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82657 packages/chimerax/core/triggerset.py", line 190, in activate 
    82658 ret = handler.invoke(data, self._remove_bad_handlers) 
    82659 File
    82660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82661 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82662 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82663 File
    82664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82665 packages/chimerax/core/session.py", line 943, in <lambda> 
    82666 logger.report_exception(preface=preface)) 
    82667 File
    82668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82669 packages/chimerax/core/logger.py", line 421, in report_exception 
    82670 elif probably_chimera1_session(exc_info): 
    82671 File
    82672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82673 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82674 etype, evalue, etraceback = exc_info 
    82675 TypeError: cannot unpack non-iterable NoneType object 
    82676  
    82677 TypeError: cannot unpack non-iterable NoneType object 
    82678  
    82679 File
    82680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82681 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82682 etype, evalue, etraceback = exc_info 
    82683  
    82684 See log for complete Python traceback. 
    82685  
    82686 Traceback (most recent call last): 
    82687 File
    82688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82689 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82690 return self._func(self._name, data) 
    82691 File
    82692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82693 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82694 if v.display: 
    82695 File
    82696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82697 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82698 return self._any_displayed_positions and len(self._positions) > 0 
    82699 TypeError: object of type 'NoneType' has no len() 
    82700  
    82701 During handling of the above exception, another exception occurred: 
    82702  
    82703 Traceback (most recent call last): 
    82704 File
    82705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82706 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82707 if not self.draw_new_frame(): 
    82708 File
    82709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82710 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82711 changed = view.check_for_drawing_change() 
    82712 File
    82713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82714 packages/chimerax/core/graphics/view.py", line 252, in
    82715 check_for_drawing_change 
    82716 trig.activate_trigger('graphics update', self) 
    82717 File
    82718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82719 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82720 trigger.activate(data) 
    82721 File
    82722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82723 packages/chimerax/core/triggerset.py", line 190, in activate 
    82724 ret = handler.invoke(data, self._remove_bad_handlers) 
    82725 File
    82726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82727 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82728 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82729 File
    82730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82731 packages/chimerax/core/session.py", line 943, in <lambda> 
    82732 logger.report_exception(preface=preface)) 
    82733 File
    82734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82735 packages/chimerax/core/logger.py", line 421, in report_exception 
    82736 elif probably_chimera1_session(exc_info): 
    82737 File
    82738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82739 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82740 etype, evalue, etraceback = exc_info 
    82741 TypeError: cannot unpack non-iterable NoneType object 
    82742  
    82743 TypeError: cannot unpack non-iterable NoneType object 
    82744  
    82745 File
    82746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82747 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82748 etype, evalue, etraceback = exc_info 
    82749  
    82750 See log for complete Python traceback. 
    82751  
    82752 Traceback (most recent call last): 
    82753 File
    82754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82755 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82756 return self._func(self._name, data) 
    82757 File
    82758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82759 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82760 if v.display: 
    82761 File
    82762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82763 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82764 return self._any_displayed_positions and len(self._positions) > 0 
    82765 TypeError: object of type 'NoneType' has no len() 
    82766  
    82767 During handling of the above exception, another exception occurred: 
    82768  
    82769 Traceback (most recent call last): 
    82770 File
    82771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82772 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82773 if not self.draw_new_frame(): 
    82774 File
    82775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82776 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82777 changed = view.check_for_drawing_change() 
    82778 File
    82779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82780 packages/chimerax/core/graphics/view.py", line 252, in
    82781 check_for_drawing_change 
    82782 trig.activate_trigger('graphics update', self) 
    82783 File
    82784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82785 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82786 trigger.activate(data) 
    82787 File
    82788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82789 packages/chimerax/core/triggerset.py", line 190, in activate 
    82790 ret = handler.invoke(data, self._remove_bad_handlers) 
    82791 File
    82792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82793 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82794 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82795 File
    82796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82797 packages/chimerax/core/session.py", line 943, in <lambda> 
    82798 logger.report_exception(preface=preface)) 
    82799 File
    82800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82801 packages/chimerax/core/logger.py", line 421, in report_exception 
    82802 elif probably_chimera1_session(exc_info): 
    82803 File
    82804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82805 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82806 etype, evalue, etraceback = exc_info 
    82807 TypeError: cannot unpack non-iterable NoneType object 
    82808  
    82809 TypeError: cannot unpack non-iterable NoneType object 
    82810  
    82811 File
    82812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82813 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82814 etype, evalue, etraceback = exc_info 
    82815  
    82816 See log for complete Python traceback. 
    82817  
    82818 Traceback (most recent call last): 
    82819 File
    82820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82821 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82822 return self._func(self._name, data) 
    82823 File
    82824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82825 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82826 if v.display: 
    82827 File
    82828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82829 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82830 return self._any_displayed_positions and len(self._positions) > 0 
    82831 TypeError: object of type 'NoneType' has no len() 
    82832  
    82833 During handling of the above exception, another exception occurred: 
    82834  
    82835 Traceback (most recent call last): 
    82836 File
    82837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82838 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82839 if not self.draw_new_frame(): 
    82840 File
    82841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82842 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82843 changed = view.check_for_drawing_change() 
    82844 File
    82845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82846 packages/chimerax/core/graphics/view.py", line 252, in
    82847 check_for_drawing_change 
    82848 trig.activate_trigger('graphics update', self) 
    82849 File
    82850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82851 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82852 trigger.activate(data) 
    82853 File
    82854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82855 packages/chimerax/core/triggerset.py", line 190, in activate 
    82856 ret = handler.invoke(data, self._remove_bad_handlers) 
    82857 File
    82858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82859 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82860 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82861 File
    82862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82863 packages/chimerax/core/session.py", line 943, in <lambda> 
    82864 logger.report_exception(preface=preface)) 
    82865 File
    82866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82867 packages/chimerax/core/logger.py", line 421, in report_exception 
    82868 elif probably_chimera1_session(exc_info): 
    82869 File
    82870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82871 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82872 etype, evalue, etraceback = exc_info 
    82873 TypeError: cannot unpack non-iterable NoneType object 
    82874  
    82875 TypeError: cannot unpack non-iterable NoneType object 
    82876  
    82877 File
    82878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82879 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82880 etype, evalue, etraceback = exc_info 
    82881  
    82882 See log for complete Python traceback. 
    82883  
    82884 Traceback (most recent call last): 
    82885 File
    82886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82887 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82888 return self._func(self._name, data) 
    82889 File
    82890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82891 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82892 if v.display: 
    82893 File
    82894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82895 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82896 return self._any_displayed_positions and len(self._positions) > 0 
    82897 TypeError: object of type 'NoneType' has no len() 
    82898  
    82899 During handling of the above exception, another exception occurred: 
    82900  
    82901 Traceback (most recent call last): 
    82902 File
    82903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82904 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82905 if not self.draw_new_frame(): 
    82906 File
    82907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82908 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82909 changed = view.check_for_drawing_change() 
    82910 File
    82911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82912 packages/chimerax/core/graphics/view.py", line 252, in
    82913 check_for_drawing_change 
    82914 trig.activate_trigger('graphics update', self) 
    82915 File
    82916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82917 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82918 trigger.activate(data) 
    82919 File
    82920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82921 packages/chimerax/core/triggerset.py", line 190, in activate 
    82922 ret = handler.invoke(data, self._remove_bad_handlers) 
    82923 File
    82924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82925 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82926 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82927 File
    82928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82929 packages/chimerax/core/session.py", line 943, in <lambda> 
    82930 logger.report_exception(preface=preface)) 
    82931 File
    82932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82933 packages/chimerax/core/logger.py", line 421, in report_exception 
    82934 elif probably_chimera1_session(exc_info): 
    82935 File
    82936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82937 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82938 etype, evalue, etraceback = exc_info 
    82939 TypeError: cannot unpack non-iterable NoneType object 
    82940  
    82941 TypeError: cannot unpack non-iterable NoneType object 
    82942  
    82943 File
    82944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82945 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82946 etype, evalue, etraceback = exc_info 
    82947  
    82948 See log for complete Python traceback. 
    82949  
    82950 Traceback (most recent call last): 
    82951 File
    82952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82953 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82954 return self._func(self._name, data) 
    82955 File
    82956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82957 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82958 if v.display: 
    82959 File
    82960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82961 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82962 return self._any_displayed_positions and len(self._positions) > 0 
    82963 TypeError: object of type 'NoneType' has no len() 
    82964  
    82965 During handling of the above exception, another exception occurred: 
    82966  
    82967 Traceback (most recent call last): 
    82968 File
    82969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82970 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82971 if not self.draw_new_frame(): 
    82972 File
    82973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82974 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82975 changed = view.check_for_drawing_change() 
    82976 File
    82977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82978 packages/chimerax/core/graphics/view.py", line 252, in
    82979 check_for_drawing_change 
    82980 trig.activate_trigger('graphics update', self) 
    82981 File
    82982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82983 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82984 trigger.activate(data) 
    82985 File
    82986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82987 packages/chimerax/core/triggerset.py", line 190, in activate 
    82988 ret = handler.invoke(data, self._remove_bad_handlers) 
    82989 File
    82990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82991 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82992 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82993 File
    82994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82995 packages/chimerax/core/session.py", line 943, in <lambda> 
    82996 logger.report_exception(preface=preface)) 
    82997 File
    82998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82999 packages/chimerax/core/logger.py", line 421, in report_exception 
    83000 elif probably_chimera1_session(exc_info): 
    83001 File
    83002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83003 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83004 etype, evalue, etraceback = exc_info 
    83005 TypeError: cannot unpack non-iterable NoneType object 
    83006  
    83007 TypeError: cannot unpack non-iterable NoneType object 
    83008  
    83009 File
    83010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83011 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83012 etype, evalue, etraceback = exc_info 
    83013  
    83014 See log for complete Python traceback. 
    83015  
    83016 Traceback (most recent call last): 
    83017 File
    83018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83019 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83020 return self._func(self._name, data) 
    83021 File
    83022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83023 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83024 if v.display: 
    83025 File
    83026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83027 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83028 return self._any_displayed_positions and len(self._positions) > 0 
    83029 TypeError: object of type 'NoneType' has no len() 
    83030  
    83031 During handling of the above exception, another exception occurred: 
    83032  
    83033 Traceback (most recent call last): 
    83034 File
    83035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83036 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83037 if not self.draw_new_frame(): 
    83038 File
    83039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83040 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83041 changed = view.check_for_drawing_change() 
    83042 File
    83043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83044 packages/chimerax/core/graphics/view.py", line 252, in
    83045 check_for_drawing_change 
    83046 trig.activate_trigger('graphics update', self) 
    83047 File
    83048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83049 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83050 trigger.activate(data) 
    83051 File
    83052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83053 packages/chimerax/core/triggerset.py", line 190, in activate 
    83054 ret = handler.invoke(data, self._remove_bad_handlers) 
    83055 File
    83056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83057 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83058 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83059 File
    83060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83061 packages/chimerax/core/session.py", line 943, in <lambda> 
    83062 logger.report_exception(preface=preface)) 
    83063 File
    83064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83065 packages/chimerax/core/logger.py", line 421, in report_exception 
    83066 elif probably_chimera1_session(exc_info): 
    83067 File
    83068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83069 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83070 etype, evalue, etraceback = exc_info 
    83071 TypeError: cannot unpack non-iterable NoneType object 
    83072  
    83073 TypeError: cannot unpack non-iterable NoneType object 
    83074  
    83075 File
    83076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83077 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83078 etype, evalue, etraceback = exc_info 
    83079  
    83080 See log for complete Python traceback. 
    83081  
    83082 Traceback (most recent call last): 
    83083 File
    83084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83085 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83086 return self._func(self._name, data) 
    83087 File
    83088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83089 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83090 if v.display: 
    83091 File
    83092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83093 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83094 return self._any_displayed_positions and len(self._positions) > 0 
    83095 TypeError: object of type 'NoneType' has no len() 
    83096  
    83097 During handling of the above exception, another exception occurred: 
    83098  
    83099 Traceback (most recent call last): 
    83100 File
    83101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83102 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83103 if not self.draw_new_frame(): 
    83104 File
    83105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83106 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83107 changed = view.check_for_drawing_change() 
    83108 File
    83109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83110 packages/chimerax/core/graphics/view.py", line 252, in
    83111 check_for_drawing_change 
    83112 trig.activate_trigger('graphics update', self) 
    83113 File
    83114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83115 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83116 trigger.activate(data) 
    83117 File
    83118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83119 packages/chimerax/core/triggerset.py", line 190, in activate 
    83120 ret = handler.invoke(data, self._remove_bad_handlers) 
    83121 File
    83122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83123 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83124 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83125 File
    83126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83127 packages/chimerax/core/session.py", line 943, in <lambda> 
    83128 logger.report_exception(preface=preface)) 
    83129 File
    83130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83131 packages/chimerax/core/logger.py", line 421, in report_exception 
    83132 elif probably_chimera1_session(exc_info): 
    83133 File
    83134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83135 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83136 etype, evalue, etraceback = exc_info 
    83137 TypeError: cannot unpack non-iterable NoneType object 
    83138  
    83139 TypeError: cannot unpack non-iterable NoneType object 
    83140  
    83141 File
    83142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83143 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83144 etype, evalue, etraceback = exc_info 
    83145  
    83146 See log for complete Python traceback. 
    83147  
    83148 Traceback (most recent call last): 
    83149 File
    83150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83151 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83152 return self._func(self._name, data) 
    83153 File
    83154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83155 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83156 if v.display: 
    83157 File
    83158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83159 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83160 return self._any_displayed_positions and len(self._positions) > 0 
    83161 TypeError: object of type 'NoneType' has no len() 
    83162  
    83163 During handling of the above exception, another exception occurred: 
    83164  
    83165 Traceback (most recent call last): 
    83166 File
    83167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83168 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83169 if not self.draw_new_frame(): 
    83170 File
    83171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83172 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83173 changed = view.check_for_drawing_change() 
    83174 File
    83175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83176 packages/chimerax/core/graphics/view.py", line 252, in
    83177 check_for_drawing_change 
    83178 trig.activate_trigger('graphics update', self) 
    83179 File
    83180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83181 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83182 trigger.activate(data) 
    83183 File
    83184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83185 packages/chimerax/core/triggerset.py", line 190, in activate 
    83186 ret = handler.invoke(data, self._remove_bad_handlers) 
    83187 File
    83188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83189 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83190 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83191 File
    83192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83193 packages/chimerax/core/session.py", line 943, in <lambda> 
    83194 logger.report_exception(preface=preface)) 
    83195 File
    83196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83197 packages/chimerax/core/logger.py", line 421, in report_exception 
    83198 elif probably_chimera1_session(exc_info): 
    83199 File
    83200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83201 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83202 etype, evalue, etraceback = exc_info 
    83203 TypeError: cannot unpack non-iterable NoneType object 
    83204  
    83205 TypeError: cannot unpack non-iterable NoneType object 
    83206  
    83207 File
    83208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83209 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83210 etype, evalue, etraceback = exc_info 
    83211  
    83212 See log for complete Python traceback. 
    83213  
    83214 Traceback (most recent call last): 
    83215 File
    83216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83217 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83218 return self._func(self._name, data) 
    83219 File
    83220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83221 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83222 if v.display: 
    83223 File
    83224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83225 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83226 return self._any_displayed_positions and len(self._positions) > 0 
    83227 TypeError: object of type 'NoneType' has no len() 
    83228  
    83229 During handling of the above exception, another exception occurred: 
    83230  
    83231 Traceback (most recent call last): 
    83232 File
    83233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83234 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83235 if not self.draw_new_frame(): 
    83236 File
    83237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83238 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83239 changed = view.check_for_drawing_change() 
    83240 File
    83241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83242 packages/chimerax/core/graphics/view.py", line 252, in
    83243 check_for_drawing_change 
    83244 trig.activate_trigger('graphics update', self) 
    83245 File
    83246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83247 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83248 trigger.activate(data) 
    83249 File
    83250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83251 packages/chimerax/core/triggerset.py", line 190, in activate 
    83252 ret = handler.invoke(data, self._remove_bad_handlers) 
    83253 File
    83254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83255 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83256 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83257 File
    83258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83259 packages/chimerax/core/session.py", line 943, in <lambda> 
    83260 logger.report_exception(preface=preface)) 
    83261 File
    83262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83263 packages/chimerax/core/logger.py", line 421, in report_exception 
    83264 elif probably_chimera1_session(exc_info): 
    83265 File
    83266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83267 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83268 etype, evalue, etraceback = exc_info 
    83269 TypeError: cannot unpack non-iterable NoneType object 
    83270  
    83271 TypeError: cannot unpack non-iterable NoneType object 
    83272  
    83273 File
    83274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83275 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83276 etype, evalue, etraceback = exc_info 
    83277  
    83278 See log for complete Python traceback. 
    83279  
    83280 Traceback (most recent call last): 
    83281 File
    83282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83283 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83284 return self._func(self._name, data) 
    83285 File
    83286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83287 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83288 if v.display: 
    83289 File
    83290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83291 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83292 return self._any_displayed_positions and len(self._positions) > 0 
    83293 TypeError: object of type 'NoneType' has no len() 
    83294  
    83295 During handling of the above exception, another exception occurred: 
    83296  
    83297 Traceback (most recent call last): 
    83298 File
    83299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83300 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83301 if not self.draw_new_frame(): 
    83302 File
    83303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83304 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83305 changed = view.check_for_drawing_change() 
    83306 File
    83307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83308 packages/chimerax/core/graphics/view.py", line 252, in
    83309 check_for_drawing_change 
    83310 trig.activate_trigger('graphics update', self) 
    83311 File
    83312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83313 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83314 trigger.activate(data) 
    83315 File
    83316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83317 packages/chimerax/core/triggerset.py", line 190, in activate 
    83318 ret = handler.invoke(data, self._remove_bad_handlers) 
    83319 File
    83320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83321 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83322 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83323 File
    83324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83325 packages/chimerax/core/session.py", line 943, in <lambda> 
    83326 logger.report_exception(preface=preface)) 
    83327 File
    83328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83329 packages/chimerax/core/logger.py", line 421, in report_exception 
    83330 elif probably_chimera1_session(exc_info): 
    83331 File
    83332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83333 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83334 etype, evalue, etraceback = exc_info 
    83335 TypeError: cannot unpack non-iterable NoneType object 
    83336  
    83337 TypeError: cannot unpack non-iterable NoneType object 
    83338  
    83339 File
    83340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83341 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83342 etype, evalue, etraceback = exc_info 
    83343  
    83344 See log for complete Python traceback. 
    83345  
    83346 Traceback (most recent call last): 
    83347 File
    83348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83349 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83350 return self._func(self._name, data) 
    83351 File
    83352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83353 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83354 if v.display: 
    83355 File
    83356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83357 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83358 return self._any_displayed_positions and len(self._positions) > 0 
    83359 TypeError: object of type 'NoneType' has no len() 
    83360  
    83361 During handling of the above exception, another exception occurred: 
    83362  
    83363 Traceback (most recent call last): 
    83364 File
    83365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83366 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83367 if not self.draw_new_frame(): 
    83368 File
    83369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83370 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83371 changed = view.check_for_drawing_change() 
    83372 File
    83373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83374 packages/chimerax/core/graphics/view.py", line 252, in
    83375 check_for_drawing_change 
    83376 trig.activate_trigger('graphics update', self) 
    83377 File
    83378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83379 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83380 trigger.activate(data) 
    83381 File
    83382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83383 packages/chimerax/core/triggerset.py", line 190, in activate 
    83384 ret = handler.invoke(data, self._remove_bad_handlers) 
    83385 File
    83386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83387 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83388 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83389 File
    83390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83391 packages/chimerax/core/session.py", line 943, in <lambda> 
    83392 logger.report_exception(preface=preface)) 
    83393 File
    83394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83395 packages/chimerax/core/logger.py", line 421, in report_exception 
    83396 elif probably_chimera1_session(exc_info): 
    83397 File
    83398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83399 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83400 etype, evalue, etraceback = exc_info 
    83401 TypeError: cannot unpack non-iterable NoneType object 
    83402  
    83403 TypeError: cannot unpack non-iterable NoneType object 
    83404  
    83405 File
    83406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83407 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83408 etype, evalue, etraceback = exc_info 
    83409  
    83410 See log for complete Python traceback. 
    83411  
    83412 Traceback (most recent call last): 
    83413 File
    83414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83415 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83416 return self._func(self._name, data) 
    83417 File
    83418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83419 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83420 if v.display: 
    83421 File
    83422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83423 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83424 return self._any_displayed_positions and len(self._positions) > 0 
    83425 TypeError: object of type 'NoneType' has no len() 
    83426  
    83427 During handling of the above exception, another exception occurred: 
    83428  
    83429 Traceback (most recent call last): 
    83430 File
    83431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83432 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83433 if not self.draw_new_frame(): 
    83434 File
    83435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83436 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83437 changed = view.check_for_drawing_change() 
    83438 File
    83439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83440 packages/chimerax/core/graphics/view.py", line 252, in
    83441 check_for_drawing_change 
    83442 trig.activate_trigger('graphics update', self) 
    83443 File
    83444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83445 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83446 trigger.activate(data) 
    83447 File
    83448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83449 packages/chimerax/core/triggerset.py", line 190, in activate 
    83450 ret = handler.invoke(data, self._remove_bad_handlers) 
    83451 File
    83452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83453 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83454 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83455 File
    83456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83457 packages/chimerax/core/session.py", line 943, in <lambda> 
    83458 logger.report_exception(preface=preface)) 
    83459 File
    83460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83461 packages/chimerax/core/logger.py", line 421, in report_exception 
    83462 elif probably_chimera1_session(exc_info): 
    83463 File
    83464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83465 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83466 etype, evalue, etraceback = exc_info 
    83467 TypeError: cannot unpack non-iterable NoneType object 
    83468  
    83469 TypeError: cannot unpack non-iterable NoneType object 
    83470  
    83471 File
    83472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83473 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83474 etype, evalue, etraceback = exc_info 
    83475  
    83476 See log for complete Python traceback. 
    83477  
    83478 Traceback (most recent call last): 
    83479 File
    83480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83481 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83482 return self._func(self._name, data) 
    83483 File
    83484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83485 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83486 if v.display: 
    83487 File
    83488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83489 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83490 return self._any_displayed_positions and len(self._positions) > 0 
    83491 TypeError: object of type 'NoneType' has no len() 
    83492  
    83493 During handling of the above exception, another exception occurred: 
    83494  
    83495 Traceback (most recent call last): 
    83496 File
    83497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83498 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83499 if not self.draw_new_frame(): 
    83500 File
    83501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83502 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83503 changed = view.check_for_drawing_change() 
    83504 File
    83505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83506 packages/chimerax/core/graphics/view.py", line 252, in
    83507 check_for_drawing_change 
    83508 trig.activate_trigger('graphics update', self) 
    83509 File
    83510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83511 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83512 trigger.activate(data) 
    83513 File
    83514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83515 packages/chimerax/core/triggerset.py", line 190, in activate 
    83516 ret = handler.invoke(data, self._remove_bad_handlers) 
    83517 File
    83518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83519 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83520 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83521 File
    83522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83523 packages/chimerax/core/session.py", line 943, in <lambda> 
    83524 logger.report_exception(preface=preface)) 
    83525 File
    83526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83527 packages/chimerax/core/logger.py", line 421, in report_exception 
    83528 elif probably_chimera1_session(exc_info): 
    83529 File
    83530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83531 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83532 etype, evalue, etraceback = exc_info 
    83533 TypeError: cannot unpack non-iterable NoneType object 
    83534  
    83535 TypeError: cannot unpack non-iterable NoneType object 
    83536  
    83537 File
    83538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83539 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83540 etype, evalue, etraceback = exc_info 
    83541  
    83542 See log for complete Python traceback. 
    83543  
    83544 Traceback (most recent call last): 
    83545 File
    83546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83547 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83548 return self._func(self._name, data) 
    83549 File
    83550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83551 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83552 if v.display: 
    83553 File
    83554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83555 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83556 return self._any_displayed_positions and len(self._positions) > 0 
    83557 TypeError: object of type 'NoneType' has no len() 
    83558  
    83559 During handling of the above exception, another exception occurred: 
    83560  
    83561 Traceback (most recent call last): 
    83562 File
    83563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83564 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83565 if not self.draw_new_frame(): 
    83566 File
    83567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83568 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83569 changed = view.check_for_drawing_change() 
    83570 File
    83571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83572 packages/chimerax/core/graphics/view.py", line 252, in
    83573 check_for_drawing_change 
    83574 trig.activate_trigger('graphics update', self) 
    83575 File
    83576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83577 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83578 trigger.activate(data) 
    83579 File
    83580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83581 packages/chimerax/core/triggerset.py", line 190, in activate 
    83582 ret = handler.invoke(data, self._remove_bad_handlers) 
    83583 File
    83584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83585 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83586 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83587 File
    83588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83589 packages/chimerax/core/session.py", line 943, in <lambda> 
    83590 logger.report_exception(preface=preface)) 
    83591 File
    83592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83593 packages/chimerax/core/logger.py", line 421, in report_exception 
    83594 elif probably_chimera1_session(exc_info): 
    83595 File
    83596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83597 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83598 etype, evalue, etraceback = exc_info 
    83599 TypeError: cannot unpack non-iterable NoneType object 
    83600  
    83601 TypeError: cannot unpack non-iterable NoneType object 
    83602  
    83603 File
    83604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83605 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83606 etype, evalue, etraceback = exc_info 
    83607  
    83608 See log for complete Python traceback. 
    83609  
    83610 Traceback (most recent call last): 
    83611 File
    83612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83613 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83614 return self._func(self._name, data) 
    83615 File
    83616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83617 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83618 if v.display: 
    83619 File
    83620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83621 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83622 return self._any_displayed_positions and len(self._positions) > 0 
    83623 TypeError: object of type 'NoneType' has no len() 
    83624  
    83625 During handling of the above exception, another exception occurred: 
    83626  
    83627 Traceback (most recent call last): 
    83628 File
    83629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83630 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83631 if not self.draw_new_frame(): 
    83632 File
    83633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83634 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83635 changed = view.check_for_drawing_change() 
    83636 File
    83637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83638 packages/chimerax/core/graphics/view.py", line 252, in
    83639 check_for_drawing_change 
    83640 trig.activate_trigger('graphics update', self) 
    83641 File
    83642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83643 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83644 trigger.activate(data) 
    83645 File
    83646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83647 packages/chimerax/core/triggerset.py", line 190, in activate 
    83648 ret = handler.invoke(data, self._remove_bad_handlers) 
    83649 File
    83650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83651 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83652 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83653 File
    83654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83655 packages/chimerax/core/session.py", line 943, in <lambda> 
    83656 logger.report_exception(preface=preface)) 
    83657 File
    83658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83659 packages/chimerax/core/logger.py", line 421, in report_exception 
    83660 elif probably_chimera1_session(exc_info): 
    83661 File
    83662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83663 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83664 etype, evalue, etraceback = exc_info 
    83665 TypeError: cannot unpack non-iterable NoneType object 
    83666  
    83667 TypeError: cannot unpack non-iterable NoneType object 
    83668  
    83669 File
    83670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83671 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83672 etype, evalue, etraceback = exc_info 
    83673  
    83674 See log for complete Python traceback. 
    83675  
    83676 Traceback (most recent call last): 
    83677 File
    83678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83679 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83680 return self._func(self._name, data) 
    83681 File
    83682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83683 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83684 if v.display: 
    83685 File
    83686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83687 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83688 return self._any_displayed_positions and len(self._positions) > 0 
    83689 TypeError: object of type 'NoneType' has no len() 
    83690  
    83691 During handling of the above exception, another exception occurred: 
    83692  
    83693 Traceback (most recent call last): 
    83694 File
    83695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83696 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83697 if not self.draw_new_frame(): 
    83698 File
    83699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83700 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83701 changed = view.check_for_drawing_change() 
    83702 File
    83703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83704 packages/chimerax/core/graphics/view.py", line 252, in
    83705 check_for_drawing_change 
    83706 trig.activate_trigger('graphics update', self) 
    83707 File
    83708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83709 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83710 trigger.activate(data) 
    83711 File
    83712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83713 packages/chimerax/core/triggerset.py", line 190, in activate 
    83714 ret = handler.invoke(data, self._remove_bad_handlers) 
    83715 File
    83716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83717 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83718 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83719 File
    83720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83721 packages/chimerax/core/session.py", line 943, in <lambda> 
    83722 logger.report_exception(preface=preface)) 
    83723 File
    83724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83725 packages/chimerax/core/logger.py", line 421, in report_exception 
    83726 elif probably_chimera1_session(exc_info): 
    83727 File
    83728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83729 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83730 etype, evalue, etraceback = exc_info 
    83731 TypeError: cannot unpack non-iterable NoneType object 
    83732  
    83733 TypeError: cannot unpack non-iterable NoneType object 
    83734  
    83735 File
    83736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83737 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83738 etype, evalue, etraceback = exc_info 
    83739  
    83740 See log for complete Python traceback. 
    83741  
    83742 Traceback (most recent call last): 
    83743 File
    83744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83745 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83746 return self._func(self._name, data) 
    83747 File
    83748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83749 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83750 if v.display: 
    83751 File
    83752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83753 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83754 return self._any_displayed_positions and len(self._positions) > 0 
    83755 TypeError: object of type 'NoneType' has no len() 
    83756  
    83757 During handling of the above exception, another exception occurred: 
    83758  
    83759 Traceback (most recent call last): 
    83760 File
    83761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83762 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83763 if not self.draw_new_frame(): 
    83764 File
    83765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83766 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83767 changed = view.check_for_drawing_change() 
    83768 File
    83769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83770 packages/chimerax/core/graphics/view.py", line 252, in
    83771 check_for_drawing_change 
    83772 trig.activate_trigger('graphics update', self) 
    83773 File
    83774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83775 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83776 trigger.activate(data) 
    83777 File
    83778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83779 packages/chimerax/core/triggerset.py", line 190, in activate 
    83780 ret = handler.invoke(data, self._remove_bad_handlers) 
    83781 File
    83782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83783 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83784 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83785 File
    83786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83787 packages/chimerax/core/session.py", line 943, in <lambda> 
    83788 logger.report_exception(preface=preface)) 
    83789 File
    83790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83791 packages/chimerax/core/logger.py", line 421, in report_exception 
    83792 elif probably_chimera1_session(exc_info): 
    83793 File
    83794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83795 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83796 etype, evalue, etraceback = exc_info 
    83797 TypeError: cannot unpack non-iterable NoneType object 
    83798  
    83799 TypeError: cannot unpack non-iterable NoneType object 
    83800  
    83801 File
    83802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83803 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83804 etype, evalue, etraceback = exc_info 
    83805  
    83806 See log for complete Python traceback. 
    83807  
    83808 Traceback (most recent call last): 
    83809 File
    83810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83811 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83812 return self._func(self._name, data) 
    83813 File
    83814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83815 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83816 if v.display: 
    83817 File
    83818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83819 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83820 return self._any_displayed_positions and len(self._positions) > 0 
    83821 TypeError: object of type 'NoneType' has no len() 
    83822  
    83823 During handling of the above exception, another exception occurred: 
    83824  
    83825 Traceback (most recent call last): 
    83826 File
    83827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83828 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83829 if not self.draw_new_frame(): 
    83830 File
    83831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83832 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83833 changed = view.check_for_drawing_change() 
    83834 File
    83835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83836 packages/chimerax/core/graphics/view.py", line 252, in
    83837 check_for_drawing_change 
    83838 trig.activate_trigger('graphics update', self) 
    83839 File
    83840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83841 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83842 trigger.activate(data) 
    83843 File
    83844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83845 packages/chimerax/core/triggerset.py", line 190, in activate 
    83846 ret = handler.invoke(data, self._remove_bad_handlers) 
    83847 File
    83848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83849 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83850 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83851 File
    83852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83853 packages/chimerax/core/session.py", line 943, in <lambda> 
    83854 logger.report_exception(preface=preface)) 
    83855 File
    83856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83857 packages/chimerax/core/logger.py", line 421, in report_exception 
    83858 elif probably_chimera1_session(exc_info): 
    83859 File
    83860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83861 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83862 etype, evalue, etraceback = exc_info 
    83863 TypeError: cannot unpack non-iterable NoneType object 
    83864  
    83865 TypeError: cannot unpack non-iterable NoneType object 
    83866  
    83867 File
    83868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83869 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83870 etype, evalue, etraceback = exc_info 
    83871  
    83872 See log for complete Python traceback. 
    83873  
    83874 Traceback (most recent call last): 
    83875 File
    83876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83877 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83878 return self._func(self._name, data) 
    83879 File
    83880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83881 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83882 if v.display: 
    83883 File
    83884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83885 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83886 return self._any_displayed_positions and len(self._positions) > 0 
    83887 TypeError: object of type 'NoneType' has no len() 
    83888  
    83889 During handling of the above exception, another exception occurred: 
    83890  
    83891 Traceback (most recent call last): 
    83892 File
    83893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83894 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83895 if not self.draw_new_frame(): 
    83896 File
    83897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83898 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83899 changed = view.check_for_drawing_change() 
    83900 File
    83901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83902 packages/chimerax/core/graphics/view.py", line 252, in
    83903 check_for_drawing_change 
    83904 trig.activate_trigger('graphics update', self) 
    83905 File
    83906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83907 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83908 trigger.activate(data) 
    83909 File
    83910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83911 packages/chimerax/core/triggerset.py", line 190, in activate 
    83912 ret = handler.invoke(data, self._remove_bad_handlers) 
    83913 File
    83914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83915 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83916 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83917 File
    83918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83919 packages/chimerax/core/session.py", line 943, in <lambda> 
    83920 logger.report_exception(preface=preface)) 
    83921 File
    83922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83923 packages/chimerax/core/logger.py", line 421, in report_exception 
    83924 elif probably_chimera1_session(exc_info): 
    83925 File
    83926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83927 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83928 etype, evalue, etraceback = exc_info 
    83929 TypeError: cannot unpack non-iterable NoneType object 
    83930  
    83931 TypeError: cannot unpack non-iterable NoneType object 
    83932  
    83933 File
    83934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83935 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83936 etype, evalue, etraceback = exc_info 
    83937  
    83938 See log for complete Python traceback. 
    83939  
    83940 Traceback (most recent call last): 
    83941 File
    83942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83943 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83944 return self._func(self._name, data) 
    83945 File
    83946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83947 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83948 if v.display: 
    83949 File
    83950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83951 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83952 return self._any_displayed_positions and len(self._positions) > 0 
    83953 TypeError: object of type 'NoneType' has no len() 
    83954  
    83955 During handling of the above exception, another exception occurred: 
    83956  
    83957 Traceback (most recent call last): 
    83958 File
    83959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83960 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83961 if not self.draw_new_frame(): 
    83962 File
    83963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83964 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83965 changed = view.check_for_drawing_change() 
    83966 File
    83967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83968 packages/chimerax/core/graphics/view.py", line 252, in
    83969 check_for_drawing_change 
    83970 trig.activate_trigger('graphics update', self) 
    83971 File
    83972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83973 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83974 trigger.activate(data) 
    83975 File
    83976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83977 packages/chimerax/core/triggerset.py", line 190, in activate 
    83978 ret = handler.invoke(data, self._remove_bad_handlers) 
    83979 File
    83980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83981 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83982 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83983 File
    83984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83985 packages/chimerax/core/session.py", line 943, in <lambda> 
    83986 logger.report_exception(preface=preface)) 
    83987 File
    83988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83989 packages/chimerax/core/logger.py", line 421, in report_exception 
    83990 elif probably_chimera1_session(exc_info): 
    83991 File
    83992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83993 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83994 etype, evalue, etraceback = exc_info 
    83995 TypeError: cannot unpack non-iterable NoneType object 
    83996  
    83997 TypeError: cannot unpack non-iterable NoneType object 
    83998  
    83999 File
    84000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84001 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84002 etype, evalue, etraceback = exc_info 
    84003  
    84004 See log for complete Python traceback. 
    84005  
    84006 Traceback (most recent call last): 
    84007 File
    84008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84009 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84010 return self._func(self._name, data) 
    84011 File
    84012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84013 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84014 if v.display: 
    84015 File
    84016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84017 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84018 return self._any_displayed_positions and len(self._positions) > 0 
    84019 TypeError: object of type 'NoneType' has no len() 
    84020  
    84021 During handling of the above exception, another exception occurred: 
    84022  
    84023 Traceback (most recent call last): 
    84024 File
    84025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84026 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84027 if not self.draw_new_frame(): 
    84028 File
    84029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84030 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84031 changed = view.check_for_drawing_change() 
    84032 File
    84033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84034 packages/chimerax/core/graphics/view.py", line 252, in
    84035 check_for_drawing_change 
    84036 trig.activate_trigger('graphics update', self) 
    84037 File
    84038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84039 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84040 trigger.activate(data) 
    84041 File
    84042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84043 packages/chimerax/core/triggerset.py", line 190, in activate 
    84044 ret = handler.invoke(data, self._remove_bad_handlers) 
    84045 File
    84046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84047 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84048 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84049 File
    84050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84051 packages/chimerax/core/session.py", line 943, in <lambda> 
    84052 logger.report_exception(preface=preface)) 
    84053 File
    84054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84055 packages/chimerax/core/logger.py", line 421, in report_exception 
    84056 elif probably_chimera1_session(exc_info): 
    84057 File
    84058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84059 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84060 etype, evalue, etraceback = exc_info 
    84061 TypeError: cannot unpack non-iterable NoneType object 
    84062  
    84063 TypeError: cannot unpack non-iterable NoneType object 
    84064  
    84065 File
    84066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84067 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84068 etype, evalue, etraceback = exc_info 
    84069  
    84070 See log for complete Python traceback. 
    84071  
    84072 Traceback (most recent call last): 
    84073 File
    84074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84075 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84076 return self._func(self._name, data) 
    84077 File
    84078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84079 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84080 if v.display: 
    84081 File
    84082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84083 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84084 return self._any_displayed_positions and len(self._positions) > 0 
    84085 TypeError: object of type 'NoneType' has no len() 
    84086  
    84087 During handling of the above exception, another exception occurred: 
    84088  
    84089 Traceback (most recent call last): 
    84090 File
    84091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84092 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84093 if not self.draw_new_frame(): 
    84094 File
    84095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84096 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84097 changed = view.check_for_drawing_change() 
    84098 File
    84099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84100 packages/chimerax/core/graphics/view.py", line 252, in
    84101 check_for_drawing_change 
    84102 trig.activate_trigger('graphics update', self) 
    84103 File
    84104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84105 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84106 trigger.activate(data) 
    84107 File
    84108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84109 packages/chimerax/core/triggerset.py", line 190, in activate 
    84110 ret = handler.invoke(data, self._remove_bad_handlers) 
    84111 File
    84112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84113 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84114 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84115 File
    84116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84117 packages/chimerax/core/session.py", line 943, in <lambda> 
    84118 logger.report_exception(preface=preface)) 
    84119 File
    84120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84121 packages/chimerax/core/logger.py", line 421, in report_exception 
    84122 elif probably_chimera1_session(exc_info): 
    84123 File
    84124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84125 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84126 etype, evalue, etraceback = exc_info 
    84127 TypeError: cannot unpack non-iterable NoneType object 
    84128  
    84129 TypeError: cannot unpack non-iterable NoneType object 
    84130  
    84131 File
    84132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84133 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84134 etype, evalue, etraceback = exc_info 
    84135  
    84136 See log for complete Python traceback. 
    84137  
    84138 Traceback (most recent call last): 
    84139 File
    84140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84141 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84142 return self._func(self._name, data) 
    84143 File
    84144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84145 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84146 if v.display: 
    84147 File
    84148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84149 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84150 return self._any_displayed_positions and len(self._positions) > 0 
    84151 TypeError: object of type 'NoneType' has no len() 
    84152  
    84153 During handling of the above exception, another exception occurred: 
    84154  
    84155 Traceback (most recent call last): 
    84156 File
    84157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84158 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84159 if not self.draw_new_frame(): 
    84160 File
    84161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84162 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84163 changed = view.check_for_drawing_change() 
    84164 File
    84165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84166 packages/chimerax/core/graphics/view.py", line 252, in
    84167 check_for_drawing_change 
    84168 trig.activate_trigger('graphics update', self) 
    84169 File
    84170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84171 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84172 trigger.activate(data) 
    84173 File
    84174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84175 packages/chimerax/core/triggerset.py", line 190, in activate 
    84176 ret = handler.invoke(data, self._remove_bad_handlers) 
    84177 File
    84178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84179 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84180 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84181 File
    84182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84183 packages/chimerax/core/session.py", line 943, in <lambda> 
    84184 logger.report_exception(preface=preface)) 
    84185 File
    84186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84187 packages/chimerax/core/logger.py", line 421, in report_exception 
    84188 elif probably_chimera1_session(exc_info): 
    84189 File
    84190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84191 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84192 etype, evalue, etraceback = exc_info 
    84193 TypeError: cannot unpack non-iterable NoneType object 
    84194  
    84195 TypeError: cannot unpack non-iterable NoneType object 
    84196  
    84197 File
    84198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84199 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84200 etype, evalue, etraceback = exc_info 
    84201  
    84202 See log for complete Python traceback. 
    84203  
    84204 Traceback (most recent call last): 
    84205 File
    84206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84207 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84208 return self._func(self._name, data) 
    84209 File
    84210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84211 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84212 if v.display: 
    84213 File
    84214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84215 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84216 return self._any_displayed_positions and len(self._positions) > 0 
    84217 TypeError: object of type 'NoneType' has no len() 
    84218  
    84219 During handling of the above exception, another exception occurred: 
    84220  
    84221 Traceback (most recent call last): 
    84222 File
    84223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84224 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84225 if not self.draw_new_frame(): 
    84226 File
    84227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84228 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84229 changed = view.check_for_drawing_change() 
    84230 File
    84231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84232 packages/chimerax/core/graphics/view.py", line 252, in
    84233 check_for_drawing_change 
    84234 trig.activate_trigger('graphics update', self) 
    84235 File
    84236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84237 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84238 trigger.activate(data) 
    84239 File
    84240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84241 packages/chimerax/core/triggerset.py", line 190, in activate 
    84242 ret = handler.invoke(data, self._remove_bad_handlers) 
    84243 File
    84244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84245 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84246 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84247 File
    84248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84249 packages/chimerax/core/session.py", line 943, in <lambda> 
    84250 logger.report_exception(preface=preface)) 
    84251 File
    84252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84253 packages/chimerax/core/logger.py", line 421, in report_exception 
    84254 elif probably_chimera1_session(exc_info): 
    84255 File
    84256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84257 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84258 etype, evalue, etraceback = exc_info 
    84259 TypeError: cannot unpack non-iterable NoneType object 
    84260  
    84261 TypeError: cannot unpack non-iterable NoneType object 
    84262  
    84263 File
    84264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84265 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84266 etype, evalue, etraceback = exc_info 
    84267  
    84268 See log for complete Python traceback. 
    84269  
    84270 Traceback (most recent call last): 
    84271 File
    84272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84273 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84274 return self._func(self._name, data) 
    84275 File
    84276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84277 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84278 if v.display: 
    84279 File
    84280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84281 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84282 return self._any_displayed_positions and len(self._positions) > 0 
    84283 TypeError: object of type 'NoneType' has no len() 
    84284  
    84285 During handling of the above exception, another exception occurred: 
    84286  
    84287 Traceback (most recent call last): 
    84288 File
    84289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84290 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84291 if not self.draw_new_frame(): 
    84292 File
    84293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84294 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84295 changed = view.check_for_drawing_change() 
    84296 File
    84297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84298 packages/chimerax/core/graphics/view.py", line 252, in
    84299 check_for_drawing_change 
    84300 trig.activate_trigger('graphics update', self) 
    84301 File
    84302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84303 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84304 trigger.activate(data) 
    84305 File
    84306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84307 packages/chimerax/core/triggerset.py", line 190, in activate 
    84308 ret = handler.invoke(data, self._remove_bad_handlers) 
    84309 File
    84310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84311 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84312 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84313 File
    84314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84315 packages/chimerax/core/session.py", line 943, in <lambda> 
    84316 logger.report_exception(preface=preface)) 
    84317 File
    84318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84319 packages/chimerax/core/logger.py", line 421, in report_exception 
    84320 elif probably_chimera1_session(exc_info): 
    84321 File
    84322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84323 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84324 etype, evalue, etraceback = exc_info 
    84325 TypeError: cannot unpack non-iterable NoneType object 
    84326  
    84327 TypeError: cannot unpack non-iterable NoneType object 
    84328  
    84329 File
    84330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84331 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84332 etype, evalue, etraceback = exc_info 
    84333  
    84334 See log for complete Python traceback. 
    84335  
    84336 Traceback (most recent call last): 
    84337 File
    84338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84339 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84340 return self._func(self._name, data) 
    84341 File
    84342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84343 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84344 if v.display: 
    84345 File
    84346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84347 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84348 return self._any_displayed_positions and len(self._positions) > 0 
    84349 TypeError: object of type 'NoneType' has no len() 
    84350  
    84351 During handling of the above exception, another exception occurred: 
    84352  
    84353 Traceback (most recent call last): 
    84354 File
    84355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84356 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84357 if not self.draw_new_frame(): 
    84358 File
    84359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84360 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84361 changed = view.check_for_drawing_change() 
    84362 File
    84363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84364 packages/chimerax/core/graphics/view.py", line 252, in
    84365 check_for_drawing_change 
    84366 trig.activate_trigger('graphics update', self) 
    84367 File
    84368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84369 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84370 trigger.activate(data) 
    84371 File
    84372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84373 packages/chimerax/core/triggerset.py", line 190, in activate 
    84374 ret = handler.invoke(data, self._remove_bad_handlers) 
    84375 File
    84376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84377 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84378 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84379 File
    84380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84381 packages/chimerax/core/session.py", line 943, in <lambda> 
    84382 logger.report_exception(preface=preface)) 
    84383 File
    84384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84385 packages/chimerax/core/logger.py", line 421, in report_exception 
    84386 elif probably_chimera1_session(exc_info): 
    84387 File
    84388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84389 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84390 etype, evalue, etraceback = exc_info 
    84391 TypeError: cannot unpack non-iterable NoneType object 
    84392  
    84393 TypeError: cannot unpack non-iterable NoneType object 
    84394  
    84395 File
    84396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84397 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84398 etype, evalue, etraceback = exc_info 
    84399  
    84400 See log for complete Python traceback. 
    84401  
    84402 Traceback (most recent call last): 
    84403 File
    84404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84405 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84406 return self._func(self._name, data) 
    84407 File
    84408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84409 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84410 if v.display: 
    84411 File
    84412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84413 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84414 return self._any_displayed_positions and len(self._positions) > 0 
    84415 TypeError: object of type 'NoneType' has no len() 
    84416  
    84417 During handling of the above exception, another exception occurred: 
    84418  
    84419 Traceback (most recent call last): 
    84420 File
    84421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84422 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84423 if not self.draw_new_frame(): 
    84424 File
    84425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84426 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84427 changed = view.check_for_drawing_change() 
    84428 File
    84429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84430 packages/chimerax/core/graphics/view.py", line 252, in
    84431 check_for_drawing_change 
    84432 trig.activate_trigger('graphics update', self) 
    84433 File
    84434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84435 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84436 trigger.activate(data) 
    84437 File
    84438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84439 packages/chimerax/core/triggerset.py", line 190, in activate 
    84440 ret = handler.invoke(data, self._remove_bad_handlers) 
    84441 File
    84442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84443 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84444 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84445 File
    84446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84447 packages/chimerax/core/session.py", line 943, in <lambda> 
    84448 logger.report_exception(preface=preface)) 
    84449 File
    84450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84451 packages/chimerax/core/logger.py", line 421, in report_exception 
    84452 elif probably_chimera1_session(exc_info): 
    84453 File
    84454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84455 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84456 etype, evalue, etraceback = exc_info 
    84457 TypeError: cannot unpack non-iterable NoneType object 
    84458  
    84459 TypeError: cannot unpack non-iterable NoneType object 
    84460  
    84461 File
    84462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84463 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84464 etype, evalue, etraceback = exc_info 
    84465  
    84466 See log for complete Python traceback. 
    84467  
    84468 Traceback (most recent call last): 
    84469 File
    84470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84471 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84472 return self._func(self._name, data) 
    84473 File
    84474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84475 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84476 if v.display: 
    84477 File
    84478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84479 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84480 return self._any_displayed_positions and len(self._positions) > 0 
    84481 TypeError: object of type 'NoneType' has no len() 
    84482  
    84483 During handling of the above exception, another exception occurred: 
    84484  
    84485 Traceback (most recent call last): 
    84486 File
    84487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84488 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84489 if not self.draw_new_frame(): 
    84490 File
    84491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84492 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84493 changed = view.check_for_drawing_change() 
    84494 File
    84495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84496 packages/chimerax/core/graphics/view.py", line 252, in
    84497 check_for_drawing_change 
    84498 trig.activate_trigger('graphics update', self) 
    84499 File
    84500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84501 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84502 trigger.activate(data) 
    84503 File
    84504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84505 packages/chimerax/core/triggerset.py", line 190, in activate 
    84506 ret = handler.invoke(data, self._remove_bad_handlers) 
    84507 File
    84508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84509 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84510 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84511 File
    84512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84513 packages/chimerax/core/session.py", line 943, in <lambda> 
    84514 logger.report_exception(preface=preface)) 
    84515 File
    84516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84517 packages/chimerax/core/logger.py", line 421, in report_exception 
    84518 elif probably_chimera1_session(exc_info): 
    84519 File
    84520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84521 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84522 etype, evalue, etraceback = exc_info 
    84523 TypeError: cannot unpack non-iterable NoneType object 
    84524  
    84525 TypeError: cannot unpack non-iterable NoneType object 
    84526  
    84527 File
    84528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84529 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84530 etype, evalue, etraceback = exc_info 
    84531  
    84532 See log for complete Python traceback. 
    84533  
    84534 Traceback (most recent call last): 
    84535 File
    84536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84537 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84538 return self._func(self._name, data) 
    84539 File
    84540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84541 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84542 if v.display: 
    84543 File
    84544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84545 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84546 return self._any_displayed_positions and len(self._positions) > 0 
    84547 TypeError: object of type 'NoneType' has no len() 
    84548  
    84549 During handling of the above exception, another exception occurred: 
    84550  
    84551 Traceback (most recent call last): 
    84552 File
    84553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84554 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84555 if not self.draw_new_frame(): 
    84556 File
    84557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84558 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84559 changed = view.check_for_drawing_change() 
    84560 File
    84561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84562 packages/chimerax/core/graphics/view.py", line 252, in
    84563 check_for_drawing_change 
    84564 trig.activate_trigger('graphics update', self) 
    84565 File
    84566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84567 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84568 trigger.activate(data) 
    84569 File
    84570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84571 packages/chimerax/core/triggerset.py", line 190, in activate 
    84572 ret = handler.invoke(data, self._remove_bad_handlers) 
    84573 File
    84574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84575 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84576 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84577 File
    84578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84579 packages/chimerax/core/session.py", line 943, in <lambda> 
    84580 logger.report_exception(preface=preface)) 
    84581 File
    84582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84583 packages/chimerax/core/logger.py", line 421, in report_exception 
    84584 elif probably_chimera1_session(exc_info): 
    84585 File
    84586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84587 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84588 etype, evalue, etraceback = exc_info 
    84589 TypeError: cannot unpack non-iterable NoneType object 
    84590  
    84591 TypeError: cannot unpack non-iterable NoneType object 
    84592  
    84593 File
    84594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84595 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84596 etype, evalue, etraceback = exc_info 
    84597  
    84598 See log for complete Python traceback. 
    84599  
    84600 Traceback (most recent call last): 
    84601 File
    84602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84603 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84604 return self._func(self._name, data) 
    84605 File
    84606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84607 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84608 if v.display: 
    84609 File
    84610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84611 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84612 return self._any_displayed_positions and len(self._positions) > 0 
    84613 TypeError: object of type 'NoneType' has no len() 
    84614  
    84615 During handling of the above exception, another exception occurred: 
    84616  
    84617 Traceback (most recent call last): 
    84618 File
    84619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84620 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84621 if not self.draw_new_frame(): 
    84622 File
    84623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84624 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84625 changed = view.check_for_drawing_change() 
    84626 File
    84627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84628 packages/chimerax/core/graphics/view.py", line 252, in
    84629 check_for_drawing_change 
    84630 trig.activate_trigger('graphics update', self) 
    84631 File
    84632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84633 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84634 trigger.activate(data) 
    84635 File
    84636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84637 packages/chimerax/core/triggerset.py", line 190, in activate 
    84638 ret = handler.invoke(data, self._remove_bad_handlers) 
    84639 File
    84640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84641 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84642 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84643 File
    84644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84645 packages/chimerax/core/session.py", line 943, in <lambda> 
    84646 logger.report_exception(preface=preface)) 
    84647 File
    84648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84649 packages/chimerax/core/logger.py", line 421, in report_exception 
    84650 elif probably_chimera1_session(exc_info): 
    84651 File
    84652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84653 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84654 etype, evalue, etraceback = exc_info 
    84655 TypeError: cannot unpack non-iterable NoneType object 
    84656  
    84657 TypeError: cannot unpack non-iterable NoneType object 
    84658  
    84659 File
    84660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84661 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84662 etype, evalue, etraceback = exc_info 
    84663  
    84664 See log for complete Python traceback. 
    84665  
    84666 Traceback (most recent call last): 
    84667 File
    84668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84669 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84670 return self._func(self._name, data) 
    84671 File
    84672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84673 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84674 if v.display: 
    84675 File
    84676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84677 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84678 return self._any_displayed_positions and len(self._positions) > 0 
    84679 TypeError: object of type 'NoneType' has no len() 
    84680  
    84681 During handling of the above exception, another exception occurred: 
    84682  
    84683 Traceback (most recent call last): 
    84684 File
    84685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84686 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84687 if not self.draw_new_frame(): 
    84688 File
    84689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84690 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84691 changed = view.check_for_drawing_change() 
    84692 File
    84693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84694 packages/chimerax/core/graphics/view.py", line 252, in
    84695 check_for_drawing_change 
    84696 trig.activate_trigger('graphics update', self) 
    84697 File
    84698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84699 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84700 trigger.activate(data) 
    84701 File
    84702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84703 packages/chimerax/core/triggerset.py", line 190, in activate 
    84704 ret = handler.invoke(data, self._remove_bad_handlers) 
    84705 File
    84706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84707 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84708 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84709 File
    84710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84711 packages/chimerax/core/session.py", line 943, in <lambda> 
    84712 logger.report_exception(preface=preface)) 
    84713 File
    84714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84715 packages/chimerax/core/logger.py", line 421, in report_exception 
    84716 elif probably_chimera1_session(exc_info): 
    84717 File
    84718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84719 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84720 etype, evalue, etraceback = exc_info 
    84721 TypeError: cannot unpack non-iterable NoneType object 
    84722  
    84723 TypeError: cannot unpack non-iterable NoneType object 
    84724  
    84725 File
    84726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84727 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84728 etype, evalue, etraceback = exc_info 
    84729  
    84730 See log for complete Python traceback. 
    84731  
    84732 Traceback (most recent call last): 
    84733 File
    84734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84735 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84736 return self._func(self._name, data) 
    84737 File
    84738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84739 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84740 if v.display: 
    84741 File
    84742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84743 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84744 return self._any_displayed_positions and len(self._positions) > 0 
    84745 TypeError: object of type 'NoneType' has no len() 
    84746  
    84747 During handling of the above exception, another exception occurred: 
    84748  
    84749 Traceback (most recent call last): 
    84750 File
    84751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84752 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84753 if not self.draw_new_frame(): 
    84754 File
    84755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84756 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84757 changed = view.check_for_drawing_change() 
    84758 File
    84759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84760 packages/chimerax/core/graphics/view.py", line 252, in
    84761 check_for_drawing_change 
    84762 trig.activate_trigger('graphics update', self) 
    84763 File
    84764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84765 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84766 trigger.activate(data) 
    84767 File
    84768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84769 packages/chimerax/core/triggerset.py", line 190, in activate 
    84770 ret = handler.invoke(data, self._remove_bad_handlers) 
    84771 File
    84772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84773 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84774 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84775 File
    84776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84777 packages/chimerax/core/session.py", line 943, in <lambda> 
    84778 logger.report_exception(preface=preface)) 
    84779 File
    84780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84781 packages/chimerax/core/logger.py", line 421, in report_exception 
    84782 elif probably_chimera1_session(exc_info): 
    84783 File
    84784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84785 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84786 etype, evalue, etraceback = exc_info 
    84787 TypeError: cannot unpack non-iterable NoneType object 
    84788  
    84789 TypeError: cannot unpack non-iterable NoneType object 
    84790  
    84791 File
    84792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84793 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84794 etype, evalue, etraceback = exc_info 
    84795  
    84796 See log for complete Python traceback. 
    84797  
    84798 Traceback (most recent call last): 
    84799 File
    84800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84801 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84802 return self._func(self._name, data) 
    84803 File
    84804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84805 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84806 if v.display: 
    84807 File
    84808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84809 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84810 return self._any_displayed_positions and len(self._positions) > 0 
    84811 TypeError: object of type 'NoneType' has no len() 
    84812  
    84813 During handling of the above exception, another exception occurred: 
    84814  
    84815 Traceback (most recent call last): 
    84816 File
    84817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84818 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84819 if not self.draw_new_frame(): 
    84820 File
    84821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84822 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84823 changed = view.check_for_drawing_change() 
    84824 File
    84825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84826 packages/chimerax/core/graphics/view.py", line 252, in
    84827 check_for_drawing_change 
    84828 trig.activate_trigger('graphics update', self) 
    84829 File
    84830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84831 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84832 trigger.activate(data) 
    84833 File
    84834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84835 packages/chimerax/core/triggerset.py", line 190, in activate 
    84836 ret = handler.invoke(data, self._remove_bad_handlers) 
    84837 File
    84838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84839 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84840 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84841 File
    84842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84843 packages/chimerax/core/session.py", line 943, in <lambda> 
    84844 logger.report_exception(preface=preface)) 
    84845 File
    84846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84847 packages/chimerax/core/logger.py", line 421, in report_exception 
    84848 elif probably_chimera1_session(exc_info): 
    84849 File
    84850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84851 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84852 etype, evalue, etraceback = exc_info 
    84853 TypeError: cannot unpack non-iterable NoneType object 
    84854  
    84855 TypeError: cannot unpack non-iterable NoneType object 
    84856  
    84857 File
    84858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84859 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84860 etype, evalue, etraceback = exc_info 
    84861  
    84862 See log for complete Python traceback. 
    84863  
    84864 Traceback (most recent call last): 
    84865 File
    84866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84867 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84868 return self._func(self._name, data) 
    84869 File
    84870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84871 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84872 if v.display: 
    84873 File
    84874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84875 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84876 return self._any_displayed_positions and len(self._positions) > 0 
    84877 TypeError: object of type 'NoneType' has no len() 
    84878  
    84879 During handling of the above exception, another exception occurred: 
    84880  
    84881 Traceback (most recent call last): 
    84882 File
    84883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84884 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84885 if not self.draw_new_frame(): 
    84886 File
    84887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84888 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84889 changed = view.check_for_drawing_change() 
    84890 File
    84891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84892 packages/chimerax/core/graphics/view.py", line 252, in
    84893 check_for_drawing_change 
    84894 trig.activate_trigger('graphics update', self) 
    84895 File
    84896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84897 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84898 trigger.activate(data) 
    84899 File
    84900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84901 packages/chimerax/core/triggerset.py", line 190, in activate 
    84902 ret = handler.invoke(data, self._remove_bad_handlers) 
    84903 File
    84904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84905 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84906 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84907 File
    84908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84909 packages/chimerax/core/session.py", line 943, in <lambda> 
    84910 logger.report_exception(preface=preface)) 
    84911 File
    84912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84913 packages/chimerax/core/logger.py", line 421, in report_exception 
    84914 elif probably_chimera1_session(exc_info): 
    84915 File
    84916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84917 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84918 etype, evalue, etraceback = exc_info 
    84919 TypeError: cannot unpack non-iterable NoneType object 
    84920  
    84921 TypeError: cannot unpack non-iterable NoneType object 
    84922  
    84923 File
    84924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84925 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84926 etype, evalue, etraceback = exc_info 
    84927  
    84928 See log for complete Python traceback. 
    84929  
    84930 Traceback (most recent call last): 
    84931 File
    84932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84933 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84934 return self._func(self._name, data) 
    84935 File
    84936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84937 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84938 if v.display: 
    84939 File
    84940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84941 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84942 return self._any_displayed_positions and len(self._positions) > 0 
    84943 TypeError: object of type 'NoneType' has no len() 
    84944  
    84945 During handling of the above exception, another exception occurred: 
    84946  
    84947 Traceback (most recent call last): 
    84948 File
    84949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84950 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84951 if not self.draw_new_frame(): 
    84952 File
    84953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84954 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84955 changed = view.check_for_drawing_change() 
    84956 File
    84957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84958 packages/chimerax/core/graphics/view.py", line 252, in
    84959 check_for_drawing_change 
    84960 trig.activate_trigger('graphics update', self) 
    84961 File
    84962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84963 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84964 trigger.activate(data) 
    84965 File
    84966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84967 packages/chimerax/core/triggerset.py", line 190, in activate 
    84968 ret = handler.invoke(data, self._remove_bad_handlers) 
    84969 File
    84970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84971 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84972 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84973 File
    84974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84975 packages/chimerax/core/session.py", line 943, in <lambda> 
    84976 logger.report_exception(preface=preface)) 
    84977 File
    84978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84979 packages/chimerax/core/logger.py", line 421, in report_exception 
    84980 elif probably_chimera1_session(exc_info): 
    84981 File
    84982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84983 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84984 etype, evalue, etraceback = exc_info 
    84985 TypeError: cannot unpack non-iterable NoneType object 
    84986  
    84987 TypeError: cannot unpack non-iterable NoneType object 
    84988  
    84989 File
    84990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84991 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84992 etype, evalue, etraceback = exc_info 
    84993  
    84994 See log for complete Python traceback. 
    84995  
    84996 Traceback (most recent call last): 
    84997 File
    84998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84999 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85000 return self._func(self._name, data) 
    85001 File
    85002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85003 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85004 if v.display: 
    85005 File
    85006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85007 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85008 return self._any_displayed_positions and len(self._positions) > 0 
    85009 TypeError: object of type 'NoneType' has no len() 
    85010  
    85011 During handling of the above exception, another exception occurred: 
    85012  
    85013 Traceback (most recent call last): 
    85014 File
    85015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85016 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85017 if not self.draw_new_frame(): 
    85018 File
    85019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85020 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85021 changed = view.check_for_drawing_change() 
    85022 File
    85023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85024 packages/chimerax/core/graphics/view.py", line 252, in
    85025 check_for_drawing_change 
    85026 trig.activate_trigger('graphics update', self) 
    85027 File
    85028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85029 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85030 trigger.activate(data) 
    85031 File
    85032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85033 packages/chimerax/core/triggerset.py", line 190, in activate 
    85034 ret = handler.invoke(data, self._remove_bad_handlers) 
    85035 File
    85036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85037 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85038 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85039 File
    85040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85041 packages/chimerax/core/session.py", line 943, in <lambda> 
    85042 logger.report_exception(preface=preface)) 
    85043 File
    85044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85045 packages/chimerax/core/logger.py", line 421, in report_exception 
    85046 elif probably_chimera1_session(exc_info): 
    85047 File
    85048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85049 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85050 etype, evalue, etraceback = exc_info 
    85051 TypeError: cannot unpack non-iterable NoneType object 
    85052  
    85053 TypeError: cannot unpack non-iterable NoneType object 
    85054  
    85055 File
    85056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85057 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85058 etype, evalue, etraceback = exc_info 
    85059  
    85060 See log for complete Python traceback. 
    85061  
    85062 Traceback (most recent call last): 
    85063 File
    85064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85065 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85066 return self._func(self._name, data) 
    85067 File
    85068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85069 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85070 if v.display: 
    85071 File
    85072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85073 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85074 return self._any_displayed_positions and len(self._positions) > 0 
    85075 TypeError: object of type 'NoneType' has no len() 
    85076  
    85077 During handling of the above exception, another exception occurred: 
    85078  
    85079 Traceback (most recent call last): 
    85080 File
    85081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85082 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85083 if not self.draw_new_frame(): 
    85084 File
    85085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85086 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85087 changed = view.check_for_drawing_change() 
    85088 File
    85089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85090 packages/chimerax/core/graphics/view.py", line 252, in
    85091 check_for_drawing_change 
    85092 trig.activate_trigger('graphics update', self) 
    85093 File
    85094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85095 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85096 trigger.activate(data) 
    85097 File
    85098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85099 packages/chimerax/core/triggerset.py", line 190, in activate 
    85100 ret = handler.invoke(data, self._remove_bad_handlers) 
    85101 File
    85102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85103 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85104 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85105 File
    85106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85107 packages/chimerax/core/session.py", line 943, in <lambda> 
    85108 logger.report_exception(preface=preface)) 
    85109 File
    85110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85111 packages/chimerax/core/logger.py", line 421, in report_exception 
    85112 elif probably_chimera1_session(exc_info): 
    85113 File
    85114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85115 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85116 etype, evalue, etraceback = exc_info 
    85117 TypeError: cannot unpack non-iterable NoneType object 
    85118  
    85119 TypeError: cannot unpack non-iterable NoneType object 
    85120  
    85121 File
    85122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85123 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85124 etype, evalue, etraceback = exc_info 
    85125  
    85126 See log for complete Python traceback. 
    85127  
    85128 Traceback (most recent call last): 
    85129 File
    85130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85131 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85132 return self._func(self._name, data) 
    85133 File
    85134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85135 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85136 if v.display: 
    85137 File
    85138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85139 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85140 return self._any_displayed_positions and len(self._positions) > 0 
    85141 TypeError: object of type 'NoneType' has no len() 
    85142  
    85143 During handling of the above exception, another exception occurred: 
    85144  
    85145 Traceback (most recent call last): 
    85146 File
    85147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85148 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85149 if not self.draw_new_frame(): 
    85150 File
    85151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85152 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85153 changed = view.check_for_drawing_change() 
    85154 File
    85155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85156 packages/chimerax/core/graphics/view.py", line 252, in
    85157 check_for_drawing_change 
    85158 trig.activate_trigger('graphics update', self) 
    85159 File
    85160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85161 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85162 trigger.activate(data) 
    85163 File
    85164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85165 packages/chimerax/core/triggerset.py", line 190, in activate 
    85166 ret = handler.invoke(data, self._remove_bad_handlers) 
    85167 File
    85168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85169 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85170 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85171 File
    85172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85173 packages/chimerax/core/session.py", line 943, in <lambda> 
    85174 logger.report_exception(preface=preface)) 
    85175 File
    85176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85177 packages/chimerax/core/logger.py", line 421, in report_exception 
    85178 elif probably_chimera1_session(exc_info): 
    85179 File
    85180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85181 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85182 etype, evalue, etraceback = exc_info 
    85183 TypeError: cannot unpack non-iterable NoneType object 
    85184  
    85185 TypeError: cannot unpack non-iterable NoneType object 
    85186  
    85187 File
    85188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85189 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85190 etype, evalue, etraceback = exc_info 
    85191  
    85192 See log for complete Python traceback. 
    85193  
    85194 Traceback (most recent call last): 
    85195 File
    85196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85197 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85198 return self._func(self._name, data) 
    85199 File
    85200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85201 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85202 if v.display: 
    85203 File
    85204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85205 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85206 return self._any_displayed_positions and len(self._positions) > 0 
    85207 TypeError: object of type 'NoneType' has no len() 
    85208  
    85209 During handling of the above exception, another exception occurred: 
    85210  
    85211 Traceback (most recent call last): 
    85212 File
    85213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85214 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85215 if not self.draw_new_frame(): 
    85216 File
    85217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85218 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85219 changed = view.check_for_drawing_change() 
    85220 File
    85221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85222 packages/chimerax/core/graphics/view.py", line 252, in
    85223 check_for_drawing_change 
    85224 trig.activate_trigger('graphics update', self) 
    85225 File
    85226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85227 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85228 trigger.activate(data) 
    85229 File
    85230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85231 packages/chimerax/core/triggerset.py", line 190, in activate 
    85232 ret = handler.invoke(data, self._remove_bad_handlers) 
    85233 File
    85234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85235 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85236 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85237 File
    85238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85239 packages/chimerax/core/session.py", line 943, in <lambda> 
    85240 logger.report_exception(preface=preface)) 
    85241 File
    85242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85243 packages/chimerax/core/logger.py", line 421, in report_exception 
    85244 elif probably_chimera1_session(exc_info): 
    85245 File
    85246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85247 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85248 etype, evalue, etraceback = exc_info 
    85249 TypeError: cannot unpack non-iterable NoneType object 
    85250  
    85251 TypeError: cannot unpack non-iterable NoneType object 
    85252  
    85253 File
    85254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85255 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85256 etype, evalue, etraceback = exc_info 
    85257  
    85258 See log for complete Python traceback. 
    85259  
    85260 Traceback (most recent call last): 
    85261 File
    85262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85263 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85264 return self._func(self._name, data) 
    85265 File
    85266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85267 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85268 if v.display: 
    85269 File
    85270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85271 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85272 return self._any_displayed_positions and len(self._positions) > 0 
    85273 TypeError: object of type 'NoneType' has no len() 
    85274  
    85275 During handling of the above exception, another exception occurred: 
    85276  
    85277 Traceback (most recent call last): 
    85278 File
    85279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85280 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85281 if not self.draw_new_frame(): 
    85282 File
    85283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85284 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85285 changed = view.check_for_drawing_change() 
    85286 File
    85287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85288 packages/chimerax/core/graphics/view.py", line 252, in
    85289 check_for_drawing_change 
    85290 trig.activate_trigger('graphics update', self) 
    85291 File
    85292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85293 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85294 trigger.activate(data) 
    85295 File
    85296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85297 packages/chimerax/core/triggerset.py", line 190, in activate 
    85298 ret = handler.invoke(data, self._remove_bad_handlers) 
    85299 File
    85300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85301 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85302 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85303 File
    85304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85305 packages/chimerax/core/session.py", line 943, in <lambda> 
    85306 logger.report_exception(preface=preface)) 
    85307 File
    85308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85309 packages/chimerax/core/logger.py", line 421, in report_exception 
    85310 elif probably_chimera1_session(exc_info): 
    85311 File
    85312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85313 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85314 etype, evalue, etraceback = exc_info 
    85315 TypeError: cannot unpack non-iterable NoneType object 
    85316  
    85317 TypeError: cannot unpack non-iterable NoneType object 
    85318  
    85319 File
    85320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85321 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85322 etype, evalue, etraceback = exc_info 
    85323  
    85324 See log for complete Python traceback. 
    85325  
    85326 Traceback (most recent call last): 
    85327 File
    85328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85329 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85330 return self._func(self._name, data) 
    85331 File
    85332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85333 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85334 if v.display: 
    85335 File
    85336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85337 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85338 return self._any_displayed_positions and len(self._positions) > 0 
    85339 TypeError: object of type 'NoneType' has no len() 
    85340  
    85341 During handling of the above exception, another exception occurred: 
    85342  
    85343 Traceback (most recent call last): 
    85344 File
    85345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85346 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85347 if not self.draw_new_frame(): 
    85348 File
    85349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85350 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85351 changed = view.check_for_drawing_change() 
    85352 File
    85353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85354 packages/chimerax/core/graphics/view.py", line 252, in
    85355 check_for_drawing_change 
    85356 trig.activate_trigger('graphics update', self) 
    85357 File
    85358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85359 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85360 trigger.activate(data) 
    85361 File
    85362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85363 packages/chimerax/core/triggerset.py", line 190, in activate 
    85364 ret = handler.invoke(data, self._remove_bad_handlers) 
    85365 File
    85366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85367 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85368 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85369 File
    85370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85371 packages/chimerax/core/session.py", line 943, in <lambda> 
    85372 logger.report_exception(preface=preface)) 
    85373 File
    85374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85375 packages/chimerax/core/logger.py", line 421, in report_exception 
    85376 elif probably_chimera1_session(exc_info): 
    85377 File
    85378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85379 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85380 etype, evalue, etraceback = exc_info 
    85381 TypeError: cannot unpack non-iterable NoneType object 
    85382  
    85383 TypeError: cannot unpack non-iterable NoneType object 
    85384  
    85385 File
    85386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85387 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85388 etype, evalue, etraceback = exc_info 
    85389  
    85390 See log for complete Python traceback. 
    85391  
    85392 Traceback (most recent call last): 
    85393 File
    85394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85395 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85396 return self._func(self._name, data) 
    85397 File
    85398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85399 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85400 if v.display: 
    85401 File
    85402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85403 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85404 return self._any_displayed_positions and len(self._positions) > 0 
    85405 TypeError: object of type 'NoneType' has no len() 
    85406  
    85407 During handling of the above exception, another exception occurred: 
    85408  
    85409 Traceback (most recent call last): 
    85410 File
    85411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85412 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85413 if not self.draw_new_frame(): 
    85414 File
    85415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85416 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85417 changed = view.check_for_drawing_change() 
    85418 File
    85419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85420 packages/chimerax/core/graphics/view.py", line 252, in
    85421 check_for_drawing_change 
    85422 trig.activate_trigger('graphics update', self) 
    85423 File
    85424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85425 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85426 trigger.activate(data) 
    85427 File
    85428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85429 packages/chimerax/core/triggerset.py", line 190, in activate 
    85430 ret = handler.invoke(data, self._remove_bad_handlers) 
    85431 File
    85432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85433 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85434 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85435 File
    85436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85437 packages/chimerax/core/session.py", line 943, in <lambda> 
    85438 logger.report_exception(preface=preface)) 
    85439 File
    85440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85441 packages/chimerax/core/logger.py", line 421, in report_exception 
    85442 elif probably_chimera1_session(exc_info): 
    85443 File
    85444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85445 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85446 etype, evalue, etraceback = exc_info 
    85447 TypeError: cannot unpack non-iterable NoneType object 
    85448  
    85449 TypeError: cannot unpack non-iterable NoneType object 
    85450  
    85451 File
    85452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85453 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85454 etype, evalue, etraceback = exc_info 
    85455  
    85456 See log for complete Python traceback. 
    85457  
    85458 Traceback (most recent call last): 
    85459 File
    85460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85461 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85462 return self._func(self._name, data) 
    85463 File
    85464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85465 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85466 if v.display: 
    85467 File
    85468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85469 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85470 return self._any_displayed_positions and len(self._positions) > 0 
    85471 TypeError: object of type 'NoneType' has no len() 
    85472  
    85473 During handling of the above exception, another exception occurred: 
    85474  
    85475 Traceback (most recent call last): 
    85476 File
    85477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85478 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85479 if not self.draw_new_frame(): 
    85480 File
    85481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85482 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85483 changed = view.check_for_drawing_change() 
    85484 File
    85485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85486 packages/chimerax/core/graphics/view.py", line 252, in
    85487 check_for_drawing_change 
    85488 trig.activate_trigger('graphics update', self) 
    85489 File
    85490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85491 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85492 trigger.activate(data) 
    85493 File
    85494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85495 packages/chimerax/core/triggerset.py", line 190, in activate 
    85496 ret = handler.invoke(data, self._remove_bad_handlers) 
    85497 File
    85498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85499 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85500 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85501 File
    85502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85503 packages/chimerax/core/session.py", line 943, in <lambda> 
    85504 logger.report_exception(preface=preface)) 
    85505 File
    85506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85507 packages/chimerax/core/logger.py", line 421, in report_exception 
    85508 elif probably_chimera1_session(exc_info): 
    85509 File
    85510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85511 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85512 etype, evalue, etraceback = exc_info 
    85513 TypeError: cannot unpack non-iterable NoneType object 
    85514  
    85515 TypeError: cannot unpack non-iterable NoneType object 
    85516  
    85517 File
    85518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85519 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85520 etype, evalue, etraceback = exc_info 
    85521  
    85522 See log for complete Python traceback. 
    85523  
    85524 Traceback (most recent call last): 
    85525 File
    85526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85527 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85528 return self._func(self._name, data) 
    85529 File
    85530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85531 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85532 if v.display: 
    85533 File
    85534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85535 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85536 return self._any_displayed_positions and len(self._positions) > 0 
    85537 TypeError: object of type 'NoneType' has no len() 
    85538  
    85539 During handling of the above exception, another exception occurred: 
    85540  
    85541 Traceback (most recent call last): 
    85542 File
    85543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85544 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85545 if not self.draw_new_frame(): 
    85546 File
    85547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85548 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85549 changed = view.check_for_drawing_change() 
    85550 File
    85551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85552 packages/chimerax/core/graphics/view.py", line 252, in
    85553 check_for_drawing_change 
    85554 trig.activate_trigger('graphics update', self) 
    85555 File
    85556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85557 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85558 trigger.activate(data) 
    85559 File
    85560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85561 packages/chimerax/core/triggerset.py", line 190, in activate 
    85562 ret = handler.invoke(data, self._remove_bad_handlers) 
    85563 File
    85564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85565 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85566 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85567 File
    85568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85569 packages/chimerax/core/session.py", line 943, in <lambda> 
    85570 logger.report_exception(preface=preface)) 
    85571 File
    85572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85573 packages/chimerax/core/logger.py", line 421, in report_exception 
    85574 elif probably_chimera1_session(exc_info): 
    85575 File
    85576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85577 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85578 etype, evalue, etraceback = exc_info 
    85579 TypeError: cannot unpack non-iterable NoneType object 
    85580  
    85581 TypeError: cannot unpack non-iterable NoneType object 
    85582  
    85583 File
    85584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85585 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85586 etype, evalue, etraceback = exc_info 
    85587  
    85588 See log for complete Python traceback. 
    85589  
    85590 Traceback (most recent call last): 
    85591 File
    85592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85593 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85594 return self._func(self._name, data) 
    85595 File
    85596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85597 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85598 if v.display: 
    85599 File
    85600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85601 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85602 return self._any_displayed_positions and len(self._positions) > 0 
    85603 TypeError: object of type 'NoneType' has no len() 
    85604  
    85605 During handling of the above exception, another exception occurred: 
    85606  
    85607 Traceback (most recent call last): 
    85608 File
    85609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85610 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85611 if not self.draw_new_frame(): 
    85612 File
    85613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85614 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85615 changed = view.check_for_drawing_change() 
    85616 File
    85617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85618 packages/chimerax/core/graphics/view.py", line 252, in
    85619 check_for_drawing_change 
    85620 trig.activate_trigger('graphics update', self) 
    85621 File
    85622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85623 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85624 trigger.activate(data) 
    85625 File
    85626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85627 packages/chimerax/core/triggerset.py", line 190, in activate 
    85628 ret = handler.invoke(data, self._remove_bad_handlers) 
    85629 File
    85630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85631 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85632 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85633 File
    85634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85635 packages/chimerax/core/session.py", line 943, in <lambda> 
    85636 logger.report_exception(preface=preface)) 
    85637 File
    85638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85639 packages/chimerax/core/logger.py", line 421, in report_exception 
    85640 elif probably_chimera1_session(exc_info): 
    85641 File
    85642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85643 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85644 etype, evalue, etraceback = exc_info 
    85645 TypeError: cannot unpack non-iterable NoneType object 
    85646  
    85647 TypeError: cannot unpack non-iterable NoneType object 
    85648  
    85649 File
    85650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85651 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85652 etype, evalue, etraceback = exc_info 
    85653  
    85654 See log for complete Python traceback. 
    85655  
    85656 Traceback (most recent call last): 
    85657 File
    85658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85659 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85660 return self._func(self._name, data) 
    85661 File
    85662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85663 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85664 if v.display: 
    85665 File
    85666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85667 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85668 return self._any_displayed_positions and len(self._positions) > 0 
    85669 TypeError: object of type 'NoneType' has no len() 
    85670  
    85671 During handling of the above exception, another exception occurred: 
    85672  
    85673 Traceback (most recent call last): 
    85674 File
    85675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85676 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85677 if not self.draw_new_frame(): 
    85678 File
    85679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85680 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85681 changed = view.check_for_drawing_change() 
    85682 File
    85683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85684 packages/chimerax/core/graphics/view.py", line 252, in
    85685 check_for_drawing_change 
    85686 trig.activate_trigger('graphics update', self) 
    85687 File
    85688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85689 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85690 trigger.activate(data) 
    85691 File
    85692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85693 packages/chimerax/core/triggerset.py", line 190, in activate 
    85694 ret = handler.invoke(data, self._remove_bad_handlers) 
    85695 File
    85696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85697 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85698 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85699 File
    85700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85701 packages/chimerax/core/session.py", line 943, in <lambda> 
    85702 logger.report_exception(preface=preface)) 
    85703 File
    85704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85705 packages/chimerax/core/logger.py", line 421, in report_exception 
    85706 elif probably_chimera1_session(exc_info): 
    85707 File
    85708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85709 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85710 etype, evalue, etraceback = exc_info 
    85711 TypeError: cannot unpack non-iterable NoneType object 
    85712  
    85713 TypeError: cannot unpack non-iterable NoneType object 
    85714  
    85715 File
    85716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85717 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85718 etype, evalue, etraceback = exc_info 
    85719  
    85720 See log for complete Python traceback. 
    85721  
    85722 Traceback (most recent call last): 
    85723 File
    85724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85725 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85726 return self._func(self._name, data) 
    85727 File
    85728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85729 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85730 if v.display: 
    85731 File
    85732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85733 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85734 return self._any_displayed_positions and len(self._positions) > 0 
    85735 TypeError: object of type 'NoneType' has no len() 
    85736  
    85737 During handling of the above exception, another exception occurred: 
    85738  
    85739 Traceback (most recent call last): 
    85740 File
    85741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85742 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85743 if not self.draw_new_frame(): 
    85744 File
    85745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85746 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85747 changed = view.check_for_drawing_change() 
    85748 File
    85749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85750 packages/chimerax/core/graphics/view.py", line 252, in
    85751 check_for_drawing_change 
    85752 trig.activate_trigger('graphics update', self) 
    85753 File
    85754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85755 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85756 trigger.activate(data) 
    85757 File
    85758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85759 packages/chimerax/core/triggerset.py", line 190, in activate 
    85760 ret = handler.invoke(data, self._remove_bad_handlers) 
    85761 File
    85762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85763 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85764 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85765 File
    85766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85767 packages/chimerax/core/session.py", line 943, in <lambda> 
    85768 logger.report_exception(preface=preface)) 
    85769 File
    85770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85771 packages/chimerax/core/logger.py", line 421, in report_exception 
    85772 elif probably_chimera1_session(exc_info): 
    85773 File
    85774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85775 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85776 etype, evalue, etraceback = exc_info 
    85777 TypeError: cannot unpack non-iterable NoneType object 
    85778  
    85779 TypeError: cannot unpack non-iterable NoneType object 
    85780  
    85781 File
    85782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85783 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85784 etype, evalue, etraceback = exc_info 
    85785  
    85786 See log for complete Python traceback. 
    85787  
    85788 Traceback (most recent call last): 
    85789 File
    85790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85791 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85792 return self._func(self._name, data) 
    85793 File
    85794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85795 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85796 if v.display: 
    85797 File
    85798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85799 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85800 return self._any_displayed_positions and len(self._positions) > 0 
    85801 TypeError: object of type 'NoneType' has no len() 
    85802  
    85803 During handling of the above exception, another exception occurred: 
    85804  
    85805 Traceback (most recent call last): 
    85806 File
    85807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85808 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85809 if not self.draw_new_frame(): 
    85810 File
    85811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85812 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85813 changed = view.check_for_drawing_change() 
    85814 File
    85815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85816 packages/chimerax/core/graphics/view.py", line 252, in
    85817 check_for_drawing_change 
    85818 trig.activate_trigger('graphics update', self) 
    85819 File
    85820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85821 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85822 trigger.activate(data) 
    85823 File
    85824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85825 packages/chimerax/core/triggerset.py", line 190, in activate 
    85826 ret = handler.invoke(data, self._remove_bad_handlers) 
    85827 File
    85828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85829 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85830 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85831 File
    85832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85833 packages/chimerax/core/session.py", line 943, in <lambda> 
    85834 logger.report_exception(preface=preface)) 
    85835 File
    85836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85837 packages/chimerax/core/logger.py", line 421, in report_exception 
    85838 elif probably_chimera1_session(exc_info): 
    85839 File
    85840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85841 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85842 etype, evalue, etraceback = exc_info 
    85843 TypeError: cannot unpack non-iterable NoneType object 
    85844  
    85845 TypeError: cannot unpack non-iterable NoneType object 
    85846  
    85847 File
    85848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85849 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85850 etype, evalue, etraceback = exc_info 
    85851  
    85852 See log for complete Python traceback. 
    85853  
    85854 Traceback (most recent call last): 
    85855 File
    85856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85857 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85858 return self._func(self._name, data) 
    85859 File
    85860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85861 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85862 if v.display: 
    85863 File
    85864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85865 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85866 return self._any_displayed_positions and len(self._positions) > 0 
    85867 TypeError: object of type 'NoneType' has no len() 
    85868  
    85869 During handling of the above exception, another exception occurred: 
    85870  
    85871 Traceback (most recent call last): 
    85872 File
    85873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85874 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85875 if not self.draw_new_frame(): 
    85876 File
    85877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85878 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85879 changed = view.check_for_drawing_change() 
    85880 File
    85881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85882 packages/chimerax/core/graphics/view.py", line 252, in
    85883 check_for_drawing_change 
    85884 trig.activate_trigger('graphics update', self) 
    85885 File
    85886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85887 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85888 trigger.activate(data) 
    85889 File
    85890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85891 packages/chimerax/core/triggerset.py", line 190, in activate 
    85892 ret = handler.invoke(data, self._remove_bad_handlers) 
    85893 File
    85894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85895 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85896 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85897 File
    85898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85899 packages/chimerax/core/session.py", line 943, in <lambda> 
    85900 logger.report_exception(preface=preface)) 
    85901 File
    85902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85903 packages/chimerax/core/logger.py", line 421, in report_exception 
    85904 elif probably_chimera1_session(exc_info): 
    85905 File
    85906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85907 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85908 etype, evalue, etraceback = exc_info 
    85909 TypeError: cannot unpack non-iterable NoneType object 
    85910  
    85911 TypeError: cannot unpack non-iterable NoneType object 
    85912  
    85913 File
    85914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85915 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85916 etype, evalue, etraceback = exc_info 
    85917  
    85918 See log for complete Python traceback. 
    85919  
    85920 Traceback (most recent call last): 
    85921 File
    85922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85923 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85924 return self._func(self._name, data) 
    85925 File
    85926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85927 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85928 if v.display: 
    85929 File
    85930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85931 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85932 return self._any_displayed_positions and len(self._positions) > 0 
    85933 TypeError: object of type 'NoneType' has no len() 
    85934  
    85935 During handling of the above exception, another exception occurred: 
    85936  
    85937 Traceback (most recent call last): 
    85938 File
    85939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85940 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85941 if not self.draw_new_frame(): 
    85942 File
    85943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85944 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85945 changed = view.check_for_drawing_change() 
    85946 File
    85947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85948 packages/chimerax/core/graphics/view.py", line 252, in
    85949 check_for_drawing_change 
    85950 trig.activate_trigger('graphics update', self) 
    85951 File
    85952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85953 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85954 trigger.activate(data) 
    85955 File
    85956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85957 packages/chimerax/core/triggerset.py", line 190, in activate 
    85958 ret = handler.invoke(data, self._remove_bad_handlers) 
    85959 File
    85960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85961 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85962 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85963 File
    85964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85965 packages/chimerax/core/session.py", line 943, in <lambda> 
    85966 logger.report_exception(preface=preface)) 
    85967 File
    85968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85969 packages/chimerax/core/logger.py", line 421, in report_exception 
    85970 elif probably_chimera1_session(exc_info): 
    85971 File
    85972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85973 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85974 etype, evalue, etraceback = exc_info 
    85975 TypeError: cannot unpack non-iterable NoneType object 
    85976  
    85977 TypeError: cannot unpack non-iterable NoneType object 
    85978  
    85979 File
    85980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85981 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85982 etype, evalue, etraceback = exc_info 
    85983  
    85984 See log for complete Python traceback. 
    85985  
    85986 Traceback (most recent call last): 
    85987 File
    85988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85989 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85990 return self._func(self._name, data) 
    85991 File
    85992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85993 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85994 if v.display: 
    85995 File
    85996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85997 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85998 return self._any_displayed_positions and len(self._positions) > 0 
    85999 TypeError: object of type 'NoneType' has no len() 
    86000  
    86001 During handling of the above exception, another exception occurred: 
    86002  
    86003 Traceback (most recent call last): 
    86004 File
    86005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86006 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86007 if not self.draw_new_frame(): 
    86008 File
    86009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86010 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86011 changed = view.check_for_drawing_change() 
    86012 File
    86013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86014 packages/chimerax/core/graphics/view.py", line 252, in
    86015 check_for_drawing_change 
    86016 trig.activate_trigger('graphics update', self) 
    86017 File
    86018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86019 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86020 trigger.activate(data) 
    86021 File
    86022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86023 packages/chimerax/core/triggerset.py", line 190, in activate 
    86024 ret = handler.invoke(data, self._remove_bad_handlers) 
    86025 File
    86026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86027 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86028 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86029 File
    86030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86031 packages/chimerax/core/session.py", line 943, in <lambda> 
    86032 logger.report_exception(preface=preface)) 
    86033 File
    86034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86035 packages/chimerax/core/logger.py", line 421, in report_exception 
    86036 elif probably_chimera1_session(exc_info): 
    86037 File
    86038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86039 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86040 etype, evalue, etraceback = exc_info 
    86041 TypeError: cannot unpack non-iterable NoneType object 
    86042  
    86043 TypeError: cannot unpack non-iterable NoneType object 
    86044  
    86045 File
    86046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86047 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86048 etype, evalue, etraceback = exc_info 
    86049  
    86050 See log for complete Python traceback. 
    86051  
    86052 Traceback (most recent call last): 
    86053 File
    86054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86055 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86056 return self._func(self._name, data) 
    86057 File
    86058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86059 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86060 if v.display: 
    86061 File
    86062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86063 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86064 return self._any_displayed_positions and len(self._positions) > 0 
    86065 TypeError: object of type 'NoneType' has no len() 
    86066  
    86067 During handling of the above exception, another exception occurred: 
    86068  
    86069 Traceback (most recent call last): 
    86070 File
    86071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86072 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86073 if not self.draw_new_frame(): 
    86074 File
    86075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86076 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86077 changed = view.check_for_drawing_change() 
    86078 File
    86079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86080 packages/chimerax/core/graphics/view.py", line 252, in
    86081 check_for_drawing_change 
    86082 trig.activate_trigger('graphics update', self) 
    86083 File
    86084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86085 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86086 trigger.activate(data) 
    86087 File
    86088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86089 packages/chimerax/core/triggerset.py", line 190, in activate 
    86090 ret = handler.invoke(data, self._remove_bad_handlers) 
    86091 File
    86092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86093 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86094 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86095 File
    86096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86097 packages/chimerax/core/session.py", line 943, in <lambda> 
    86098 logger.report_exception(preface=preface)) 
    86099 File
    86100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86101 packages/chimerax/core/logger.py", line 421, in report_exception 
    86102 elif probably_chimera1_session(exc_info): 
    86103 File
    86104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86105 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86106 etype, evalue, etraceback = exc_info 
    86107 TypeError: cannot unpack non-iterable NoneType object 
    86108  
    86109 TypeError: cannot unpack non-iterable NoneType object 
    86110  
    86111 File
    86112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86113 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86114 etype, evalue, etraceback = exc_info 
    86115  
    86116 See log for complete Python traceback. 
    86117  
    86118 Traceback (most recent call last): 
    86119 File
    86120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86121 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86122 return self._func(self._name, data) 
    86123 File
    86124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86125 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86126 if v.display: 
    86127 File
    86128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86129 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86130 return self._any_displayed_positions and len(self._positions) > 0 
    86131 TypeError: object of type 'NoneType' has no len() 
    86132  
    86133 During handling of the above exception, another exception occurred: 
    86134  
    86135 Traceback (most recent call last): 
    86136 File
    86137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86138 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86139 if not self.draw_new_frame(): 
    86140 File
    86141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86142 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86143 changed = view.check_for_drawing_change() 
    86144 File
    86145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86146 packages/chimerax/core/graphics/view.py", line 252, in
    86147 check_for_drawing_change 
    86148 trig.activate_trigger('graphics update', self) 
    86149 File
    86150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86151 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86152 trigger.activate(data) 
    86153 File
    86154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86155 packages/chimerax/core/triggerset.py", line 190, in activate 
    86156 ret = handler.invoke(data, self._remove_bad_handlers) 
    86157 File
    86158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86159 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86160 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86161 File
    86162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86163 packages/chimerax/core/session.py", line 943, in <lambda> 
    86164 logger.report_exception(preface=preface)) 
    86165 File
    86166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86167 packages/chimerax/core/logger.py", line 421, in report_exception 
    86168 elif probably_chimera1_session(exc_info): 
    86169 File
    86170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86171 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86172 etype, evalue, etraceback = exc_info 
    86173 TypeError: cannot unpack non-iterable NoneType object 
    86174  
    86175 TypeError: cannot unpack non-iterable NoneType object 
    86176  
    86177 File
    86178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86179 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86180 etype, evalue, etraceback = exc_info 
    86181  
    86182 See log for complete Python traceback. 
    86183  
    86184 Traceback (most recent call last): 
    86185 File
    86186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86187 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86188 return self._func(self._name, data) 
    86189 File
    86190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86191 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86192 if v.display: 
    86193 File
    86194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86195 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86196 return self._any_displayed_positions and len(self._positions) > 0 
    86197 TypeError: object of type 'NoneType' has no len() 
    86198  
    86199 During handling of the above exception, another exception occurred: 
    86200  
    86201 Traceback (most recent call last): 
    86202 File
    86203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86204 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86205 if not self.draw_new_frame(): 
    86206 File
    86207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86208 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86209 changed = view.check_for_drawing_change() 
    86210 File
    86211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86212 packages/chimerax/core/graphics/view.py", line 252, in
    86213 check_for_drawing_change 
    86214 trig.activate_trigger('graphics update', self) 
    86215 File
    86216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86217 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86218 trigger.activate(data) 
    86219 File
    86220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86221 packages/chimerax/core/triggerset.py", line 190, in activate 
    86222 ret = handler.invoke(data, self._remove_bad_handlers) 
    86223 File
    86224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86225 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86226 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86227 File
    86228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86229 packages/chimerax/core/session.py", line 943, in <lambda> 
    86230 logger.report_exception(preface=preface)) 
    86231 File
    86232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86233 packages/chimerax/core/logger.py", line 421, in report_exception 
    86234 elif probably_chimera1_session(exc_info): 
    86235 File
    86236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86237 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86238 etype, evalue, etraceback = exc_info 
    86239 TypeError: cannot unpack non-iterable NoneType object 
    86240  
    86241 TypeError: cannot unpack non-iterable NoneType object 
    86242  
    86243 File
    86244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86245 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86246 etype, evalue, etraceback = exc_info 
    86247  
    86248 See log for complete Python traceback. 
    86249  
    86250 Traceback (most recent call last): 
    86251 File
    86252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86253 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86254 return self._func(self._name, data) 
    86255 File
    86256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86257 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86258 if v.display: 
    86259 File
    86260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86261 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86262 return self._any_displayed_positions and len(self._positions) > 0 
    86263 TypeError: object of type 'NoneType' has no len() 
    86264  
    86265 During handling of the above exception, another exception occurred: 
    86266  
    86267 Traceback (most recent call last): 
    86268 File
    86269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86270 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86271 if not self.draw_new_frame(): 
    86272 File
    86273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86274 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86275 changed = view.check_for_drawing_change() 
    86276 File
    86277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86278 packages/chimerax/core/graphics/view.py", line 252, in
    86279 check_for_drawing_change 
    86280 trig.activate_trigger('graphics update', self) 
    86281 File
    86282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86283 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86284 trigger.activate(data) 
    86285 File
    86286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86287 packages/chimerax/core/triggerset.py", line 190, in activate 
    86288 ret = handler.invoke(data, self._remove_bad_handlers) 
    86289 File
    86290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86291 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86292 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86293 File
    86294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86295 packages/chimerax/core/session.py", line 943, in <lambda> 
    86296 logger.report_exception(preface=preface)) 
    86297 File
    86298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86299 packages/chimerax/core/logger.py", line 421, in report_exception 
    86300 elif probably_chimera1_session(exc_info): 
    86301 File
    86302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86303 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86304 etype, evalue, etraceback = exc_info 
    86305 TypeError: cannot unpack non-iterable NoneType object 
    86306  
    86307 TypeError: cannot unpack non-iterable NoneType object 
    86308  
    86309 File
    86310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86311 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86312 etype, evalue, etraceback = exc_info 
    86313  
    86314 See log for complete Python traceback. 
    86315  
    86316 Traceback (most recent call last): 
    86317 File
    86318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86319 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86320 return self._func(self._name, data) 
    86321 File
    86322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86323 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86324 if v.display: 
    86325 File
    86326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86327 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86328 return self._any_displayed_positions and len(self._positions) > 0 
    86329 TypeError: object of type 'NoneType' has no len() 
    86330  
    86331 During handling of the above exception, another exception occurred: 
    86332  
    86333 Traceback (most recent call last): 
    86334 File
    86335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86336 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86337 if not self.draw_new_frame(): 
    86338 File
    86339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86340 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86341 changed = view.check_for_drawing_change() 
    86342 File
    86343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86344 packages/chimerax/core/graphics/view.py", line 252, in
    86345 check_for_drawing_change 
    86346 trig.activate_trigger('graphics update', self) 
    86347 File
    86348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86349 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86350 trigger.activate(data) 
    86351 File
    86352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86353 packages/chimerax/core/triggerset.py", line 190, in activate 
    86354 ret = handler.invoke(data, self._remove_bad_handlers) 
    86355 File
    86356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86357 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86358 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86359 File
    86360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86361 packages/chimerax/core/session.py", line 943, in <lambda> 
    86362 logger.report_exception(preface=preface)) 
    86363 File
    86364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86365 packages/chimerax/core/logger.py", line 421, in report_exception 
    86366 elif probably_chimera1_session(exc_info): 
    86367 File
    86368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86369 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86370 etype, evalue, etraceback = exc_info 
    86371 TypeError: cannot unpack non-iterable NoneType object 
    86372  
    86373 TypeError: cannot unpack non-iterable NoneType object 
    86374  
    86375 File
    86376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86377 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86378 etype, evalue, etraceback = exc_info 
    86379  
    86380 See log for complete Python traceback. 
    86381  
    86382 Traceback (most recent call last): 
    86383 File
    86384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86385 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86386 return self._func(self._name, data) 
    86387 File
    86388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86389 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86390 if v.display: 
    86391 File
    86392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86393 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86394 return self._any_displayed_positions and len(self._positions) > 0 
    86395 TypeError: object of type 'NoneType' has no len() 
    86396  
    86397 During handling of the above exception, another exception occurred: 
    86398  
    86399 Traceback (most recent call last): 
    86400 File
    86401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86402 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86403 if not self.draw_new_frame(): 
    86404 File
    86405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86406 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86407 changed = view.check_for_drawing_change() 
    86408 File
    86409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86410 packages/chimerax/core/graphics/view.py", line 252, in
    86411 check_for_drawing_change 
    86412 trig.activate_trigger('graphics update', self) 
    86413 File
    86414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86415 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86416 trigger.activate(data) 
    86417 File
    86418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86419 packages/chimerax/core/triggerset.py", line 190, in activate 
    86420 ret = handler.invoke(data, self._remove_bad_handlers) 
    86421 File
    86422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86423 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86424 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86425 File
    86426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86427 packages/chimerax/core/session.py", line 943, in <lambda> 
    86428 logger.report_exception(preface=preface)) 
    86429 File
    86430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86431 packages/chimerax/core/logger.py", line 421, in report_exception 
    86432 elif probably_chimera1_session(exc_info): 
    86433 File
    86434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86435 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86436 etype, evalue, etraceback = exc_info 
    86437 TypeError: cannot unpack non-iterable NoneType object 
    86438  
    86439 TypeError: cannot unpack non-iterable NoneType object 
    86440  
    86441 File
    86442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86443 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86444 etype, evalue, etraceback = exc_info 
    86445  
    86446 See log for complete Python traceback. 
    86447  
    86448 Traceback (most recent call last): 
    86449 File
    86450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86451 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86452 return self._func(self._name, data) 
    86453 File
    86454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86455 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86456 if v.display: 
    86457 File
    86458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86459 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86460 return self._any_displayed_positions and len(self._positions) > 0 
    86461 TypeError: object of type 'NoneType' has no len() 
    86462  
    86463 During handling of the above exception, another exception occurred: 
    86464  
    86465 Traceback (most recent call last): 
    86466 File
    86467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86468 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86469 if not self.draw_new_frame(): 
    86470 File
    86471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86472 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86473 changed = view.check_for_drawing_change() 
    86474 File
    86475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86476 packages/chimerax/core/graphics/view.py", line 252, in
    86477 check_for_drawing_change 
    86478 trig.activate_trigger('graphics update', self) 
    86479 File
    86480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86481 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86482 trigger.activate(data) 
    86483 File
    86484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86485 packages/chimerax/core/triggerset.py", line 190, in activate 
    86486 ret = handler.invoke(data, self._remove_bad_handlers) 
    86487 File
    86488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86489 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86490 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86491 File
    86492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86493 packages/chimerax/core/session.py", line 943, in <lambda> 
    86494 logger.report_exception(preface=preface)) 
    86495 File
    86496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86497 packages/chimerax/core/logger.py", line 421, in report_exception 
    86498 elif probably_chimera1_session(exc_info): 
    86499 File
    86500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86501 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86502 etype, evalue, etraceback = exc_info 
    86503 TypeError: cannot unpack non-iterable NoneType object 
    86504  
    86505 TypeError: cannot unpack non-iterable NoneType object 
    86506  
    86507 File
    86508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86509 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86510 etype, evalue, etraceback = exc_info 
    86511  
    86512 See log for complete Python traceback. 
    86513  
    86514 Traceback (most recent call last): 
    86515 File
    86516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86517 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86518 return self._func(self._name, data) 
    86519 File
    86520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86521 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86522 if v.display: 
    86523 File
    86524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86525 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86526 return self._any_displayed_positions and len(self._positions) > 0 
    86527 TypeError: object of type 'NoneType' has no len() 
    86528  
    86529 During handling of the above exception, another exception occurred: 
    86530  
    86531 Traceback (most recent call last): 
    86532 File
    86533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86534 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86535 if not self.draw_new_frame(): 
    86536 File
    86537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86538 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86539 changed = view.check_for_drawing_change() 
    86540 File
    86541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86542 packages/chimerax/core/graphics/view.py", line 252, in
    86543 check_for_drawing_change 
    86544 trig.activate_trigger('graphics update', self) 
    86545 File
    86546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86547 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86548 trigger.activate(data) 
    86549 File
    86550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86551 packages/chimerax/core/triggerset.py", line 190, in activate 
    86552 ret = handler.invoke(data, self._remove_bad_handlers) 
    86553 File
    86554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86555 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86556 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86557 File
    86558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86559 packages/chimerax/core/session.py", line 943, in <lambda> 
    86560 logger.report_exception(preface=preface)) 
    86561 File
    86562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86563 packages/chimerax/core/logger.py", line 421, in report_exception 
    86564 elif probably_chimera1_session(exc_info): 
    86565 File
    86566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86567 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86568 etype, evalue, etraceback = exc_info 
    86569 TypeError: cannot unpack non-iterable NoneType object 
    86570  
    86571 TypeError: cannot unpack non-iterable NoneType object 
    86572  
    86573 File
    86574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86575 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86576 etype, evalue, etraceback = exc_info 
    86577  
    86578 See log for complete Python traceback. 
    86579  
    86580 Traceback (most recent call last): 
    86581 File
    86582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86583 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86584 return self._func(self._name, data) 
    86585 File
    86586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86587 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86588 if v.display: 
    86589 File
    86590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86591 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86592 return self._any_displayed_positions and len(self._positions) > 0 
    86593 TypeError: object of type 'NoneType' has no len() 
    86594  
    86595 During handling of the above exception, another exception occurred: 
    86596  
    86597 Traceback (most recent call last): 
    86598 File
    86599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86600 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86601 if not self.draw_new_frame(): 
    86602 File
    86603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86604 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86605 changed = view.check_for_drawing_change() 
    86606 File
    86607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86608 packages/chimerax/core/graphics/view.py", line 252, in
    86609 check_for_drawing_change 
    86610 trig.activate_trigger('graphics update', self) 
    86611 File
    86612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86613 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86614 trigger.activate(data) 
    86615 File
    86616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86617 packages/chimerax/core/triggerset.py", line 190, in activate 
    86618 ret = handler.invoke(data, self._remove_bad_handlers) 
    86619 File
    86620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86621 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86622 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86623 File
    86624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86625 packages/chimerax/core/session.py", line 943, in <lambda> 
    86626 logger.report_exception(preface=preface)) 
    86627 File
    86628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86629 packages/chimerax/core/logger.py", line 421, in report_exception 
    86630 elif probably_chimera1_session(exc_info): 
    86631 File
    86632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86633 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86634 etype, evalue, etraceback = exc_info 
    86635 TypeError: cannot unpack non-iterable NoneType object 
    86636  
    86637 TypeError: cannot unpack non-iterable NoneType object 
    86638  
    86639 File
    86640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86641 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86642 etype, evalue, etraceback = exc_info 
    86643  
    86644 See log for complete Python traceback. 
    86645  
    86646 Traceback (most recent call last): 
    86647 File
    86648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86649 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86650 return self._func(self._name, data) 
    86651 File
    86652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86653 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86654 if v.display: 
    86655 File
    86656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86657 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86658 return self._any_displayed_positions and len(self._positions) > 0 
    86659 TypeError: object of type 'NoneType' has no len() 
    86660  
    86661 During handling of the above exception, another exception occurred: 
    86662  
    86663 Traceback (most recent call last): 
    86664 File
    86665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86666 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86667 if not self.draw_new_frame(): 
    86668 File
    86669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86670 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86671 changed = view.check_for_drawing_change() 
    86672 File
    86673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86674 packages/chimerax/core/graphics/view.py", line 252, in
    86675 check_for_drawing_change 
    86676 trig.activate_trigger('graphics update', self) 
    86677 File
    86678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86679 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86680 trigger.activate(data) 
    86681 File
    86682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86683 packages/chimerax/core/triggerset.py", line 190, in activate 
    86684 ret = handler.invoke(data, self._remove_bad_handlers) 
    86685 File
    86686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86687 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86688 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86689 File
    86690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86691 packages/chimerax/core/session.py", line 943, in <lambda> 
    86692 logger.report_exception(preface=preface)) 
    86693 File
    86694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86695 packages/chimerax/core/logger.py", line 421, in report_exception 
    86696 elif probably_chimera1_session(exc_info): 
    86697 File
    86698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86699 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86700 etype, evalue, etraceback = exc_info 
    86701 TypeError: cannot unpack non-iterable NoneType object 
    86702  
    86703 TypeError: cannot unpack non-iterable NoneType object 
    86704  
    86705 File
    86706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86707 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86708 etype, evalue, etraceback = exc_info 
    86709  
    86710 See log for complete Python traceback. 
    86711  
    86712 Traceback (most recent call last): 
    86713 File
    86714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86715 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86716 return self._func(self._name, data) 
    86717 File
    86718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86719 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86720 if v.display: 
    86721 File
    86722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86723 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86724 return self._any_displayed_positions and len(self._positions) > 0 
    86725 TypeError: object of type 'NoneType' has no len() 
    86726  
    86727 During handling of the above exception, another exception occurred: 
    86728  
    86729 Traceback (most recent call last): 
    86730 File
    86731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86732 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86733 if not self.draw_new_frame(): 
    86734 File
    86735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86736 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86737 changed = view.check_for_drawing_change() 
    86738 File
    86739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86740 packages/chimerax/core/graphics/view.py", line 252, in
    86741 check_for_drawing_change 
    86742 trig.activate_trigger('graphics update', self) 
    86743 File
    86744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86745 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86746 trigger.activate(data) 
    86747 File
    86748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86749 packages/chimerax/core/triggerset.py", line 190, in activate 
    86750 ret = handler.invoke(data, self._remove_bad_handlers) 
    86751 File
    86752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86753 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86754 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86755 File
    86756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86757 packages/chimerax/core/session.py", line 943, in <lambda> 
    86758 logger.report_exception(preface=preface)) 
    86759 File
    86760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86761 packages/chimerax/core/logger.py", line 421, in report_exception 
    86762 elif probably_chimera1_session(exc_info): 
    86763 File
    86764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86765 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86766 etype, evalue, etraceback = exc_info 
    86767 TypeError: cannot unpack non-iterable NoneType object 
    86768  
    86769 TypeError: cannot unpack non-iterable NoneType object 
    86770  
    86771 File
    86772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86773 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86774 etype, evalue, etraceback = exc_info 
    86775  
    86776 See log for complete Python traceback. 
    86777  
    86778 Traceback (most recent call last): 
    86779 File
    86780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86781 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86782 return self._func(self._name, data) 
    86783 File
    86784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86785 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86786 if v.display: 
    86787 File
    86788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86789 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86790 return self._any_displayed_positions and len(self._positions) > 0 
    86791 TypeError: object of type 'NoneType' has no len() 
    86792  
    86793 During handling of the above exception, another exception occurred: 
    86794  
    86795 Traceback (most recent call last): 
    86796 File
    86797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86798 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86799 if not self.draw_new_frame(): 
    86800 File
    86801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86802 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86803 changed = view.check_for_drawing_change() 
    86804 File
    86805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86806 packages/chimerax/core/graphics/view.py", line 252, in
    86807 check_for_drawing_change 
    86808 trig.activate_trigger('graphics update', self) 
    86809 File
    86810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86811 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86812 trigger.activate(data) 
    86813 File
    86814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86815 packages/chimerax/core/triggerset.py", line 190, in activate 
    86816 ret = handler.invoke(data, self._remove_bad_handlers) 
    86817 File
    86818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86819 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86820 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86821 File
    86822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86823 packages/chimerax/core/session.py", line 943, in <lambda> 
    86824 logger.report_exception(preface=preface)) 
    86825 File
    86826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86827 packages/chimerax/core/logger.py", line 421, in report_exception 
    86828 elif probably_chimera1_session(exc_info): 
    86829 File
    86830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86831 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86832 etype, evalue, etraceback = exc_info 
    86833 TypeError: cannot unpack non-iterable NoneType object 
    86834  
    86835 TypeError: cannot unpack non-iterable NoneType object 
    86836  
    86837 File
    86838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86839 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86840 etype, evalue, etraceback = exc_info 
    86841  
    86842 See log for complete Python traceback. 
    86843  
    86844 Traceback (most recent call last): 
    86845 File
    86846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86847 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86848 return self._func(self._name, data) 
    86849 File
    86850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86851 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86852 if v.display: 
    86853 File
    86854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86855 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86856 return self._any_displayed_positions and len(self._positions) > 0 
    86857 TypeError: object of type 'NoneType' has no len() 
    86858  
    86859 During handling of the above exception, another exception occurred: 
    86860  
    86861 Traceback (most recent call last): 
    86862 File
    86863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86864 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86865 if not self.draw_new_frame(): 
    86866 File
    86867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86868 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86869 changed = view.check_for_drawing_change() 
    86870 File
    86871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86872 packages/chimerax/core/graphics/view.py", line 252, in
    86873 check_for_drawing_change 
    86874 trig.activate_trigger('graphics update', self) 
    86875 File
    86876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86877 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86878 trigger.activate(data) 
    86879 File
    86880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86881 packages/chimerax/core/triggerset.py", line 190, in activate 
    86882 ret = handler.invoke(data, self._remove_bad_handlers) 
    86883 File
    86884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86885 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86886 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86887 File
    86888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86889 packages/chimerax/core/session.py", line 943, in <lambda> 
    86890 logger.report_exception(preface=preface)) 
    86891 File
    86892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86893 packages/chimerax/core/logger.py", line 421, in report_exception 
    86894 elif probably_chimera1_session(exc_info): 
    86895 File
    86896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86897 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86898 etype, evalue, etraceback = exc_info 
    86899 TypeError: cannot unpack non-iterable NoneType object 
    86900  
    86901 TypeError: cannot unpack non-iterable NoneType object 
    86902  
    86903 File
    86904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86905 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86906 etype, evalue, etraceback = exc_info 
    86907  
    86908 See log for complete Python traceback. 
    86909  
    86910 Traceback (most recent call last): 
    86911 File
    86912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86913 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86914 return self._func(self._name, data) 
    86915 File
    86916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86917 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86918 if v.display: 
    86919 File
    86920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86921 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86922 return self._any_displayed_positions and len(self._positions) > 0 
    86923 TypeError: object of type 'NoneType' has no len() 
    86924  
    86925 During handling of the above exception, another exception occurred: 
    86926  
    86927 Traceback (most recent call last): 
    86928 File
    86929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86930 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86931 if not self.draw_new_frame(): 
    86932 File
    86933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86934 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86935 changed = view.check_for_drawing_change() 
    86936 File
    86937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86938 packages/chimerax/core/graphics/view.py", line 252, in
    86939 check_for_drawing_change 
    86940 trig.activate_trigger('graphics update', self) 
    86941 File
    86942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86943 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86944 trigger.activate(data) 
    86945 File
    86946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86947 packages/chimerax/core/triggerset.py", line 190, in activate 
    86948 ret = handler.invoke(data, self._remove_bad_handlers) 
    86949 File
    86950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86951 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86952 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86953 File
    86954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86955 packages/chimerax/core/session.py", line 943, in <lambda> 
    86956 logger.report_exception(preface=preface)) 
    86957 File
    86958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86959 packages/chimerax/core/logger.py", line 421, in report_exception 
    86960 elif probably_chimera1_session(exc_info): 
    86961 File
    86962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86963 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86964 etype, evalue, etraceback = exc_info 
    86965 TypeError: cannot unpack non-iterable NoneType object 
    86966  
    86967 TypeError: cannot unpack non-iterable NoneType object 
    86968  
    86969 File
    86970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86971 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86972 etype, evalue, etraceback = exc_info 
    86973  
    86974 See log for complete Python traceback. 
    86975  
    86976 Traceback (most recent call last): 
    86977 File
    86978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86979 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86980 return self._func(self._name, data) 
    86981 File
    86982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86983 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86984 if v.display: 
    86985 File
    86986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86987 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86988 return self._any_displayed_positions and len(self._positions) > 0 
    86989 TypeError: object of type 'NoneType' has no len() 
    86990  
    86991 During handling of the above exception, another exception occurred: 
    86992  
    86993 Traceback (most recent call last): 
    86994 File
    86995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86996 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86997 if not self.draw_new_frame(): 
    86998 File
    86999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87000 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87001 changed = view.check_for_drawing_change() 
    87002 File
    87003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87004 packages/chimerax/core/graphics/view.py", line 252, in
    87005 check_for_drawing_change 
    87006 trig.activate_trigger('graphics update', self) 
    87007 File
    87008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87009 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87010 trigger.activate(data) 
    87011 File
    87012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87013 packages/chimerax/core/triggerset.py", line 190, in activate 
    87014 ret = handler.invoke(data, self._remove_bad_handlers) 
    87015 File
    87016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87017 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87018 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87019 File
    87020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87021 packages/chimerax/core/session.py", line 943, in <lambda> 
    87022 logger.report_exception(preface=preface)) 
    87023 File
    87024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87025 packages/chimerax/core/logger.py", line 421, in report_exception 
    87026 elif probably_chimera1_session(exc_info): 
    87027 File
    87028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87029 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87030 etype, evalue, etraceback = exc_info 
    87031 TypeError: cannot unpack non-iterable NoneType object 
    87032  
    87033 TypeError: cannot unpack non-iterable NoneType object 
    87034  
    87035 File
    87036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87037 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87038 etype, evalue, etraceback = exc_info 
    87039  
    87040 See log for complete Python traceback. 
    87041  
    87042 Traceback (most recent call last): 
    87043 File
    87044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87045 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87046 return self._func(self._name, data) 
    87047 File
    87048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87049 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87050 if v.display: 
    87051 File
    87052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87053 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87054 return self._any_displayed_positions and len(self._positions) > 0 
    87055 TypeError: object of type 'NoneType' has no len() 
    87056  
    87057 During handling of the above exception, another exception occurred: 
    87058  
    87059 Traceback (most recent call last): 
    87060 File
    87061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87062 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87063 if not self.draw_new_frame(): 
    87064 File
    87065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87066 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87067 changed = view.check_for_drawing_change() 
    87068 File
    87069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87070 packages/chimerax/core/graphics/view.py", line 252, in
    87071 check_for_drawing_change 
    87072 trig.activate_trigger('graphics update', self) 
    87073 File
    87074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87075 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87076 trigger.activate(data) 
    87077 File
    87078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87079 packages/chimerax/core/triggerset.py", line 190, in activate 
    87080 ret = handler.invoke(data, self._remove_bad_handlers) 
    87081 File
    87082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87083 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87084 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87085 File
    87086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87087 packages/chimerax/core/session.py", line 943, in <lambda> 
    87088 logger.report_exception(preface=preface)) 
    87089 File
    87090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87091 packages/chimerax/core/logger.py", line 421, in report_exception 
    87092 elif probably_chimera1_session(exc_info): 
    87093 File
    87094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87095 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87096 etype, evalue, etraceback = exc_info 
    87097 TypeError: cannot unpack non-iterable NoneType object 
    87098  
    87099 TypeError: cannot unpack non-iterable NoneType object 
    87100  
    87101 File
    87102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87103 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87104 etype, evalue, etraceback = exc_info 
    87105  
    87106 See log for complete Python traceback. 
    87107  
    87108 Traceback (most recent call last): 
    87109 File
    87110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87111 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87112 return self._func(self._name, data) 
    87113 File
    87114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87115 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87116 if v.display: 
    87117 File
    87118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87119 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87120 return self._any_displayed_positions and len(self._positions) > 0 
    87121 TypeError: object of type 'NoneType' has no len() 
    87122  
    87123 During handling of the above exception, another exception occurred: 
    87124  
    87125 Traceback (most recent call last): 
    87126 File
    87127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87128 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87129 if not self.draw_new_frame(): 
    87130 File
    87131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87132 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87133 changed = view.check_for_drawing_change() 
    87134 File
    87135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87136 packages/chimerax/core/graphics/view.py", line 252, in
    87137 check_for_drawing_change 
    87138 trig.activate_trigger('graphics update', self) 
    87139 File
    87140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87141 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87142 trigger.activate(data) 
    87143 File
    87144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87145 packages/chimerax/core/triggerset.py", line 190, in activate 
    87146 ret = handler.invoke(data, self._remove_bad_handlers) 
    87147 File
    87148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87149 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87150 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87151 File
    87152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87153 packages/chimerax/core/session.py", line 943, in <lambda> 
    87154 logger.report_exception(preface=preface)) 
    87155 File
    87156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87157 packages/chimerax/core/logger.py", line 421, in report_exception 
    87158 elif probably_chimera1_session(exc_info): 
    87159 File
    87160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87161 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87162 etype, evalue, etraceback = exc_info 
    87163 TypeError: cannot unpack non-iterable NoneType object 
    87164  
    87165 TypeError: cannot unpack non-iterable NoneType object 
    87166  
    87167 File
    87168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87169 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87170 etype, evalue, etraceback = exc_info 
    87171  
    87172 See log for complete Python traceback. 
    87173  
    87174 Traceback (most recent call last): 
    87175 File
    87176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87177 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87178 return self._func(self._name, data) 
    87179 File
    87180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87181 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87182 if v.display: 
    87183 File
    87184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87185 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87186 return self._any_displayed_positions and len(self._positions) > 0 
    87187 TypeError: object of type 'NoneType' has no len() 
    87188  
    87189 During handling of the above exception, another exception occurred: 
    87190  
    87191 Traceback (most recent call last): 
    87192 File
    87193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87194 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87195 if not self.draw_new_frame(): 
    87196 File
    87197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87198 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87199 changed = view.check_for_drawing_change() 
    87200 File
    87201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87202 packages/chimerax/core/graphics/view.py", line 252, in
    87203 check_for_drawing_change 
    87204 trig.activate_trigger('graphics update', self) 
    87205 File
    87206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87207 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87208 trigger.activate(data) 
    87209 File
    87210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87211 packages/chimerax/core/triggerset.py", line 190, in activate 
    87212 ret = handler.invoke(data, self._remove_bad_handlers) 
    87213 File
    87214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87215 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87216 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87217 File
    87218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87219 packages/chimerax/core/session.py", line 943, in <lambda> 
    87220 logger.report_exception(preface=preface)) 
    87221 File
    87222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87223 packages/chimerax/core/logger.py", line 421, in report_exception 
    87224 elif probably_chimera1_session(exc_info): 
    87225 File
    87226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87227 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87228 etype, evalue, etraceback = exc_info 
    87229 TypeError: cannot unpack non-iterable NoneType object 
    87230  
    87231 TypeError: cannot unpack non-iterable NoneType object 
    87232  
    87233 File
    87234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87235 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87236 etype, evalue, etraceback = exc_info 
    87237  
    87238 See log for complete Python traceback. 
    87239  
    87240 Traceback (most recent call last): 
    87241 File
    87242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87243 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87244 return self._func(self._name, data) 
    87245 File
    87246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87247 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87248 if v.display: 
    87249 File
    87250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87251 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87252 return self._any_displayed_positions and len(self._positions) > 0 
    87253 TypeError: object of type 'NoneType' has no len() 
    87254  
    87255 During handling of the above exception, another exception occurred: 
    87256  
    87257 Traceback (most recent call last): 
    87258 File
    87259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87260 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87261 if not self.draw_new_frame(): 
    87262 File
    87263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87264 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87265 changed = view.check_for_drawing_change() 
    87266 File
    87267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87268 packages/chimerax/core/graphics/view.py", line 252, in
    87269 check_for_drawing_change 
    87270 trig.activate_trigger('graphics update', self) 
    87271 File
    87272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87273 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87274 trigger.activate(data) 
    87275 File
    87276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87277 packages/chimerax/core/triggerset.py", line 190, in activate 
    87278 ret = handler.invoke(data, self._remove_bad_handlers) 
    87279 File
    87280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87281 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87282 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87283 File
    87284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87285 packages/chimerax/core/session.py", line 943, in <lambda> 
    87286 logger.report_exception(preface=preface)) 
    87287 File
    87288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87289 packages/chimerax/core/logger.py", line 421, in report_exception 
    87290 elif probably_chimera1_session(exc_info): 
    87291 File
    87292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87293 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87294 etype, evalue, etraceback = exc_info 
    87295 TypeError: cannot unpack non-iterable NoneType object 
    87296  
    87297 TypeError: cannot unpack non-iterable NoneType object 
    87298  
    87299 File
    87300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87301 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87302 etype, evalue, etraceback = exc_info 
    87303  
    87304 See log for complete Python traceback. 
    87305  
    87306 Traceback (most recent call last): 
    87307 File
    87308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87309 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87310 return self._func(self._name, data) 
    87311 File
    87312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87313 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87314 if v.display: 
    87315 File
    87316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87317 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87318 return self._any_displayed_positions and len(self._positions) > 0 
    87319 TypeError: object of type 'NoneType' has no len() 
    87320  
    87321 During handling of the above exception, another exception occurred: 
    87322  
    87323 Traceback (most recent call last): 
    87324 File
    87325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87326 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87327 if not self.draw_new_frame(): 
    87328 File
    87329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87330 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87331 changed = view.check_for_drawing_change() 
    87332 File
    87333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87334 packages/chimerax/core/graphics/view.py", line 252, in
    87335 check_for_drawing_change 
    87336 trig.activate_trigger('graphics update', self) 
    87337 File
    87338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87339 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87340 trigger.activate(data) 
    87341 File
    87342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87343 packages/chimerax/core/triggerset.py", line 190, in activate 
    87344 ret = handler.invoke(data, self._remove_bad_handlers) 
    87345 File
    87346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87347 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87348 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87349 File
    87350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87351 packages/chimerax/core/session.py", line 943, in <lambda> 
    87352 logger.report_exception(preface=preface)) 
    87353 File
    87354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87355 packages/chimerax/core/logger.py", line 421, in report_exception 
    87356 elif probably_chimera1_session(exc_info): 
    87357 File
    87358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87359 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87360 etype, evalue, etraceback = exc_info 
    87361 TypeError: cannot unpack non-iterable NoneType object 
    87362  
    87363 TypeError: cannot unpack non-iterable NoneType object 
    87364  
    87365 File
    87366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87367 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87368 etype, evalue, etraceback = exc_info 
    87369  
    87370 See log for complete Python traceback. 
    87371  
    87372 Traceback (most recent call last): 
    87373 File
    87374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87375 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87376 return self._func(self._name, data) 
    87377 File
    87378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87379 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87380 if v.display: 
    87381 File
    87382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87383 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87384 return self._any_displayed_positions and len(self._positions) > 0 
    87385 TypeError: object of type 'NoneType' has no len() 
    87386  
    87387 During handling of the above exception, another exception occurred: 
    87388  
    87389 Traceback (most recent call last): 
    87390 File
    87391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87392 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87393 if not self.draw_new_frame(): 
    87394 File
    87395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87396 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87397 changed = view.check_for_drawing_change() 
    87398 File
    87399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87400 packages/chimerax/core/graphics/view.py", line 252, in
    87401 check_for_drawing_change 
    87402 trig.activate_trigger('graphics update', self) 
    87403 File
    87404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87405 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87406 trigger.activate(data) 
    87407 File
    87408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87409 packages/chimerax/core/triggerset.py", line 190, in activate 
    87410 ret = handler.invoke(data, self._remove_bad_handlers) 
    87411 File
    87412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87413 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87414 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87415 File
    87416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87417 packages/chimerax/core/session.py", line 943, in <lambda> 
    87418 logger.report_exception(preface=preface)) 
    87419 File
    87420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87421 packages/chimerax/core/logger.py", line 421, in report_exception 
    87422 elif probably_chimera1_session(exc_info): 
    87423 File
    87424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87425 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87426 etype, evalue, etraceback = exc_info 
    87427 TypeError: cannot unpack non-iterable NoneType object 
    87428  
    87429 TypeError: cannot unpack non-iterable NoneType object 
    87430  
    87431 File
    87432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87433 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87434 etype, evalue, etraceback = exc_info 
    87435  
    87436 See log for complete Python traceback. 
    87437  
    87438 Traceback (most recent call last): 
    87439 File
    87440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87441 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87442 return self._func(self._name, data) 
    87443 File
    87444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87445 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87446 if v.display: 
    87447 File
    87448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87449 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87450 return self._any_displayed_positions and len(self._positions) > 0 
    87451 TypeError: object of type 'NoneType' has no len() 
    87452  
    87453 During handling of the above exception, another exception occurred: 
    87454  
    87455 Traceback (most recent call last): 
    87456 File
    87457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87458 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87459 if not self.draw_new_frame(): 
    87460 File
    87461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87462 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87463 changed = view.check_for_drawing_change() 
    87464 File
    87465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87466 packages/chimerax/core/graphics/view.py", line 252, in
    87467 check_for_drawing_change 
    87468 trig.activate_trigger('graphics update', self) 
    87469 File
    87470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87471 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87472 trigger.activate(data) 
    87473 File
    87474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87475 packages/chimerax/core/triggerset.py", line 190, in activate 
    87476 ret = handler.invoke(data, self._remove_bad_handlers) 
    87477 File
    87478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87479 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87480 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87481 File
    87482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87483 packages/chimerax/core/session.py", line 943, in <lambda> 
    87484 logger.report_exception(preface=preface)) 
    87485 File
    87486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87487 packages/chimerax/core/logger.py", line 421, in report_exception 
    87488 elif probably_chimera1_session(exc_info): 
    87489 File
    87490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87491 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87492 etype, evalue, etraceback = exc_info 
    87493 TypeError: cannot unpack non-iterable NoneType object 
    87494  
    87495 TypeError: cannot unpack non-iterable NoneType object 
    87496  
    87497 File
    87498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87499 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87500 etype, evalue, etraceback = exc_info 
    87501  
    87502 See log for complete Python traceback. 
    87503  
    87504 Traceback (most recent call last): 
    87505 File
    87506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87507 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87508 return self._func(self._name, data) 
    87509 File
    87510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87511 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87512 if v.display: 
    87513 File
    87514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87515 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87516 return self._any_displayed_positions and len(self._positions) > 0 
    87517 TypeError: object of type 'NoneType' has no len() 
    87518  
    87519 During handling of the above exception, another exception occurred: 
    87520  
    87521 Traceback (most recent call last): 
    87522 File
    87523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87524 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87525 if not self.draw_new_frame(): 
    87526 File
    87527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87528 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87529 changed = view.check_for_drawing_change() 
    87530 File
    87531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87532 packages/chimerax/core/graphics/view.py", line 252, in
    87533 check_for_drawing_change 
    87534 trig.activate_trigger('graphics update', self) 
    87535 File
    87536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87537 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87538 trigger.activate(data) 
    87539 File
    87540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87541 packages/chimerax/core/triggerset.py", line 190, in activate 
    87542 ret = handler.invoke(data, self._remove_bad_handlers) 
    87543 File
    87544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87545 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87546 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87547 File
    87548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87549 packages/chimerax/core/session.py", line 943, in <lambda> 
    87550 logger.report_exception(preface=preface)) 
    87551 File
    87552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87553 packages/chimerax/core/logger.py", line 421, in report_exception 
    87554 elif probably_chimera1_session(exc_info): 
    87555 File
    87556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87557 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87558 etype, evalue, etraceback = exc_info 
    87559 TypeError: cannot unpack non-iterable NoneType object 
    87560  
    87561 TypeError: cannot unpack non-iterable NoneType object 
    87562  
    87563 File
    87564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87565 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87566 etype, evalue, etraceback = exc_info 
    87567  
    87568 See log for complete Python traceback. 
    87569  
    87570 Traceback (most recent call last): 
    87571 File
    87572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87573 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87574 return self._func(self._name, data) 
    87575 File
    87576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87577 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87578 if v.display: 
    87579 File
    87580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87581 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87582 return self._any_displayed_positions and len(self._positions) > 0 
    87583 TypeError: object of type 'NoneType' has no len() 
    87584  
    87585 During handling of the above exception, another exception occurred: 
    87586  
    87587 Traceback (most recent call last): 
    87588 File
    87589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87590 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87591 if not self.draw_new_frame(): 
    87592 File
    87593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87594 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87595 changed = view.check_for_drawing_change() 
    87596 File
    87597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87598 packages/chimerax/core/graphics/view.py", line 252, in
    87599 check_for_drawing_change 
    87600 trig.activate_trigger('graphics update', self) 
    87601 File
    87602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87603 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87604 trigger.activate(data) 
    87605 File
    87606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87607 packages/chimerax/core/triggerset.py", line 190, in activate 
    87608 ret = handler.invoke(data, self._remove_bad_handlers) 
    87609 File
    87610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87611 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87612 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87613 File
    87614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87615 packages/chimerax/core/session.py", line 943, in <lambda> 
    87616 logger.report_exception(preface=preface)) 
    87617 File
    87618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87619 packages/chimerax/core/logger.py", line 421, in report_exception 
    87620 elif probably_chimera1_session(exc_info): 
    87621 File
    87622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87623 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87624 etype, evalue, etraceback = exc_info 
    87625 TypeError: cannot unpack non-iterable NoneType object 
    87626  
    87627 TypeError: cannot unpack non-iterable NoneType object 
    87628  
    87629 File
    87630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87631 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87632 etype, evalue, etraceback = exc_info 
    87633  
    87634 See log for complete Python traceback. 
    87635  
    87636 Traceback (most recent call last): 
    87637 File
    87638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87639 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87640 return self._func(self._name, data) 
    87641 File
    87642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87643 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87644 if v.display: 
    87645 File
    87646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87647 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87648 return self._any_displayed_positions and len(self._positions) > 0 
    87649 TypeError: object of type 'NoneType' has no len() 
    87650  
    87651 During handling of the above exception, another exception occurred: 
    87652  
    87653 Traceback (most recent call last): 
    87654 File
    87655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87656 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87657 if not self.draw_new_frame(): 
    87658 File
    87659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87660 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87661 changed = view.check_for_drawing_change() 
    87662 File
    87663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87664 packages/chimerax/core/graphics/view.py", line 252, in
    87665 check_for_drawing_change 
    87666 trig.activate_trigger('graphics update', self) 
    87667 File
    87668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87669 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87670 trigger.activate(data) 
    87671 File
    87672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87673 packages/chimerax/core/triggerset.py", line 190, in activate 
    87674 ret = handler.invoke(data, self._remove_bad_handlers) 
    87675 File
    87676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87677 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87678 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87679 File
    87680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87681 packages/chimerax/core/session.py", line 943, in <lambda> 
    87682 logger.report_exception(preface=preface)) 
    87683 File
    87684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87685 packages/chimerax/core/logger.py", line 421, in report_exception 
    87686 elif probably_chimera1_session(exc_info): 
    87687 File
    87688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87689 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87690 etype, evalue, etraceback = exc_info 
    87691 TypeError: cannot unpack non-iterable NoneType object 
    87692  
    87693 TypeError: cannot unpack non-iterable NoneType object 
    87694  
    87695 File
    87696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87697 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87698 etype, evalue, etraceback = exc_info 
    87699  
    87700 See log for complete Python traceback. 
    87701  
    87702 Traceback (most recent call last): 
    87703 File
    87704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87705 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87706 return self._func(self._name, data) 
    87707 File
    87708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87709 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87710 if v.display: 
    87711 File
    87712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87713 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87714 return self._any_displayed_positions and len(self._positions) > 0 
    87715 TypeError: object of type 'NoneType' has no len() 
    87716  
    87717 During handling of the above exception, another exception occurred: 
    87718  
    87719 Traceback (most recent call last): 
    87720 File
    87721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87722 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87723 if not self.draw_new_frame(): 
    87724 File
    87725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87726 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87727 changed = view.check_for_drawing_change() 
    87728 File
    87729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87730 packages/chimerax/core/graphics/view.py", line 252, in
    87731 check_for_drawing_change 
    87732 trig.activate_trigger('graphics update', self) 
    87733 File
    87734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87735 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87736 trigger.activate(data) 
    87737 File
    87738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87739 packages/chimerax/core/triggerset.py", line 190, in activate 
    87740 ret = handler.invoke(data, self._remove_bad_handlers) 
    87741 File
    87742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87743 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87744 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87745 File
    87746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87747 packages/chimerax/core/session.py", line 943, in <lambda> 
    87748 logger.report_exception(preface=preface)) 
    87749 File
    87750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87751 packages/chimerax/core/logger.py", line 421, in report_exception 
    87752 elif probably_chimera1_session(exc_info): 
    87753 File
    87754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87755 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87756 etype, evalue, etraceback = exc_info 
    87757 TypeError: cannot unpack non-iterable NoneType object 
    87758  
    87759 TypeError: cannot unpack non-iterable NoneType object 
    87760  
    87761 File
    87762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87763 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87764 etype, evalue, etraceback = exc_info 
    87765  
    87766 See log for complete Python traceback. 
    87767  
    87768 Traceback (most recent call last): 
    87769 File
    87770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87771 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87772 return self._func(self._name, data) 
    87773 File
    87774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87775 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87776 if v.display: 
    87777 File
    87778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87779 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87780 return self._any_displayed_positions and len(self._positions) > 0 
    87781 TypeError: object of type 'NoneType' has no len() 
    87782  
    87783 During handling of the above exception, another exception occurred: 
    87784  
    87785 Traceback (most recent call last): 
    87786 File
    87787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87788 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87789 if not self.draw_new_frame(): 
    87790 File
    87791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87792 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87793 changed = view.check_for_drawing_change() 
    87794 File
    87795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87796 packages/chimerax/core/graphics/view.py", line 252, in
    87797 check_for_drawing_change 
    87798 trig.activate_trigger('graphics update', self) 
    87799 File
    87800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87801 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87802 trigger.activate(data) 
    87803 File
    87804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87805 packages/chimerax/core/triggerset.py", line 190, in activate 
    87806 ret = handler.invoke(data, self._remove_bad_handlers) 
    87807 File
    87808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87809 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87810 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87811 File
    87812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87813 packages/chimerax/core/session.py", line 943, in <lambda> 
    87814 logger.report_exception(preface=preface)) 
    87815 File
    87816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87817 packages/chimerax/core/logger.py", line 421, in report_exception 
    87818 elif probably_chimera1_session(exc_info): 
    87819 File
    87820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87821 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87822 etype, evalue, etraceback = exc_info 
    87823 TypeError: cannot unpack non-iterable NoneType object 
    87824  
    87825 TypeError: cannot unpack non-iterable NoneType object 
    87826  
    87827 File
    87828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87829 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87830 etype, evalue, etraceback = exc_info 
    87831  
    87832 See log for complete Python traceback. 
    87833  
    87834 Traceback (most recent call last): 
    87835 File
    87836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87837 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87838 return self._func(self._name, data) 
    87839 File
    87840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87841 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87842 if v.display: 
    87843 File
    87844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87845 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87846 return self._any_displayed_positions and len(self._positions) > 0 
    87847 TypeError: object of type 'NoneType' has no len() 
    87848  
    87849 During handling of the above exception, another exception occurred: 
    87850  
    87851 Traceback (most recent call last): 
    87852 File
    87853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87854 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87855 if not self.draw_new_frame(): 
    87856 File
    87857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87858 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87859 changed = view.check_for_drawing_change() 
    87860 File
    87861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87862 packages/chimerax/core/graphics/view.py", line 252, in
    87863 check_for_drawing_change 
    87864 trig.activate_trigger('graphics update', self) 
    87865 File
    87866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87867 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87868 trigger.activate(data) 
    87869 File
    87870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87871 packages/chimerax/core/triggerset.py", line 190, in activate 
    87872 ret = handler.invoke(data, self._remove_bad_handlers) 
    87873 File
    87874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87875 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87876 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87877 File
    87878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87879 packages/chimerax/core/session.py", line 943, in <lambda> 
    87880 logger.report_exception(preface=preface)) 
    87881 File
    87882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87883 packages/chimerax/core/logger.py", line 421, in report_exception 
    87884 elif probably_chimera1_session(exc_info): 
    87885 File
    87886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87887 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87888 etype, evalue, etraceback = exc_info 
    87889 TypeError: cannot unpack non-iterable NoneType object 
    87890  
    87891 TypeError: cannot unpack non-iterable NoneType object 
    87892  
    87893 File
    87894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87895 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87896 etype, evalue, etraceback = exc_info 
    87897  
    87898 See log for complete Python traceback. 
    87899  
    87900 Traceback (most recent call last): 
    87901 File
    87902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87903 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87904 return self._func(self._name, data) 
    87905 File
    87906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87907 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87908 if v.display: 
    87909 File
    87910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87911 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87912 return self._any_displayed_positions and len(self._positions) > 0 
    87913 TypeError: object of type 'NoneType' has no len() 
    87914  
    87915 During handling of the above exception, another exception occurred: 
    87916  
    87917 Traceback (most recent call last): 
    87918 File
    87919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87920 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87921 if not self.draw_new_frame(): 
    87922 File
    87923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87924 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87925 changed = view.check_for_drawing_change() 
    87926 File
    87927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87928 packages/chimerax/core/graphics/view.py", line 252, in
    87929 check_for_drawing_change 
    87930 trig.activate_trigger('graphics update', self) 
    87931 File
    87932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87933 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87934 trigger.activate(data) 
    87935 File
    87936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87937 packages/chimerax/core/triggerset.py", line 190, in activate 
    87938 ret = handler.invoke(data, self._remove_bad_handlers) 
    87939 File
    87940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87941 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87942 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87943 File
    87944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87945 packages/chimerax/core/session.py", line 943, in <lambda> 
    87946 logger.report_exception(preface=preface)) 
    87947 File
    87948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87949 packages/chimerax/core/logger.py", line 421, in report_exception 
    87950 elif probably_chimera1_session(exc_info): 
    87951 File
    87952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87953 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87954 etype, evalue, etraceback = exc_info 
    87955 TypeError: cannot unpack non-iterable NoneType object 
    87956  
    87957 TypeError: cannot unpack non-iterable NoneType object 
    87958  
    87959 File
    87960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87961 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87962 etype, evalue, etraceback = exc_info 
    87963  
    87964 See log for complete Python traceback. 
    87965  
    87966 Traceback (most recent call last): 
    87967 File
    87968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87969 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87970 return self._func(self._name, data) 
    87971 File
    87972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87973 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87974 if v.display: 
    87975 File
    87976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87977 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87978 return self._any_displayed_positions and len(self._positions) > 0 
    87979 TypeError: object of type 'NoneType' has no len() 
    87980  
    87981 During handling of the above exception, another exception occurred: 
    87982  
    87983 Traceback (most recent call last): 
    87984 File
    87985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87986 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87987 if not self.draw_new_frame(): 
    87988 File
    87989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87990 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87991 changed = view.check_for_drawing_change() 
    87992 File
    87993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87994 packages/chimerax/core/graphics/view.py", line 252, in
    87995 check_for_drawing_change 
    87996 trig.activate_trigger('graphics update', self) 
    87997 File
    87998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87999 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    88000 trigger.activate(data) 
    88001 File
    88002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88003 packages/chimerax/core/triggerset.py", line 190, in activate 
    88004 ret = handler.invoke(data, self._remove_bad_handlers) 
    88005 File
    88006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88007 packages/chimerax/core/triggerset.py", line 132, in invoke 
    88008 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    88009 File
    88010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88011 packages/chimerax/core/session.py", line 943, in <lambda> 
    88012 logger.report_exception(preface=preface)) 
    88013 File
    88014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88015 packages/chimerax/core/logger.py", line 421, in report_exception 
    88016 elif probably_chimera1_session(exc_info): 
    88017 File
    88018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88019 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88020 etype, evalue, etraceback = exc_info 
    88021 TypeError: cannot unpack non-iterable NoneType object 
    88022  
    88023 TypeError: cannot unpack non-iterable NoneType object 
    88024  
    88025 File
    88026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88027 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88028 etype, evalue, etraceback = exc_info 
    88029  
    88030 See log for complete Python traceback. 
    88031  
    88032 Traceback (most recent call last): 
    88033 File
    88034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88035 packages/chimerax/core/triggerset.py", line 130, in invoke 
    88036 return self._func(self._name, data) 
    88037 File
    88038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88039 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    88040 if v.display: 
    88041 File
    88042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88043 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    88044 return self._any_displayed_positions and len(self._positions) > 0 
    88045 TypeError: object of type 'NoneType' has no len() 
    88046  
    88047 During handling of the above exception, another exception occurred: 
    88048  
    88049 Traceback (most recent call last): 
    88050 File
    88051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88052 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    88053 if not self.draw_new_frame(): 
    88054 File
    88055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88056 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    88057 changed = view.check_for_drawing_change() 
    88058 File
    88059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88060 packages/chimerax/core/graphics/view.py", line 252, in
    88061 check_for_drawing_change 
    88062 trig.activate_trigger('graphics update', self) 
    88063 File
    88064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88065 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    88066 trigger.activate(data) 
    88067 File
    88068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88069 packages/chimerax/core/triggerset.py", line 190, in activate 
    88070 ret = handler.invoke(data, self._remove_bad_handlers) 
    88071 File
    88072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88073 packages/chimerax/core/triggerset.py", line 132, in invoke 
    88074 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    88075 File
    88076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88077 packages/chimerax/core/session.py", line 943, in <lambda> 
    88078 logger.report_exception(preface=preface)) 
    88079 File
    88080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88081 packages/chimerax/core/logger.py", line 421, in report_exception 
    88082 elif probably_chimera1_session(exc_info): 
    88083 File
    88084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88085 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88086 etype, evalue, etraceback = exc_info 
    88087 TypeError: cannot unpack non-iterable NoneType object 
    88088  
    88089 TypeError: cannot unpack non-iterable NoneType object 
    88090  
    88091 File
    88092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88093 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88094 etype, evalue, etraceback = exc_info 
    88095  
    88096 See log for complete Python traceback. 
    88097  
    88098 Traceback (most recent call last): 
    88099 File
    88100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88101 packages/chimerax/core/triggerset.py", line 130, in invoke 
    88102 return self._func(self._name, data) 
    88103 File
    88104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88105 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    88106 if v.display: 
    88107 File
    88108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88109 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    88110 return self._any_displayed_positions and len(self._positions) > 0 
    88111 TypeError: object of type 'NoneType' has no len() 
    88112  
    88113 During handling of the above exception, another exception occurred: 
    88114  
    88115 Traceback (most recent call last): 
    88116 File
    88117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88118 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    88119 if not self.draw_new_frame(): 
    88120 File
    88121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88122 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    88123 changed = view.check_for_drawing_change() 
    88124 File
    88125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88126 packages/chimerax/core/graphics/view.py", line 252, in
    88127 check_for_drawing_change 
    88128 trig.activate_trigger('graphics update', self) 
    88129 File
    88130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88131 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    88132 trigger.activate(data) 
    88133 File
    88134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88135 packages/chimerax/core/triggerset.py", line 190, in activate 
    88136 ret = handler.invoke(data, self._remove_bad_handlers) 
    88137 File
    88138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88139 packages/chimerax/core/triggerset.py", line 132, in invoke 
    88140 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    88141 File
    88142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88143 packages/chimerax/core/session.py", line 943, in <lambda> 
    88144 logger.report_exception(preface=preface)) 
    88145 File
    88146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88147 packages/chimerax/core/logger.py", line 421, in report_exception 
    88148 elif probably_chimera1_session(exc_info): 
    88149 File
    88150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88151 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88152 etype, evalue, etraceback = exc_info 
    88153 TypeError: cannot unpack non-iterable NoneType object 
    88154  
    88155 TypeError: cannot unpack non-iterable NoneType object 
    88156  
    88157 File
    88158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88159 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88160 etype, evalue, etraceback = exc_info 
    88161  
    88162 See log for complete Python traceback. 
    88163  
    88164 Traceback (most recent call last): 
    88165 File
    88166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88167 packages/chimerax/core/triggerset.py", line 130, in invoke 
    88168 return self._func(self._name, data) 
    88169 File
    88170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88171 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    88172 if v.display: 
    88173 File
    88174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88175 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    88176 return self._any_displayed_positions and len(self._positions) > 0 
    88177 TypeError: object of type 'NoneType' has no len() 
    88178  
    88179 During handling of the above exception, another exception occurred: 
    88180  
    88181 Traceback (most recent call last): 
    88182 File
    88183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88184 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    88185 if not self.draw_new_frame(): 
    88186 File
    88187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88188 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    88189 changed = view.check_for_drawing_change() 
    88190 File
    88191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88192 packages/chimerax/core/graphics/view.py", line 252, in
    88193 check_for_drawing_change 
    88194 trig.activate_trigger('graphics update', self) 
    88195 File
    88196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88197 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    88198 trigger.activate(data) 
    88199 File
    88200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88201 packages/chimerax/core/triggerset.py", line 190, in activate 
    88202 ret = handler.invoke(data, self._remove_bad_handlers) 
    88203 File
    88204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88205 packages/chimerax/core/triggerset.py", line 132, in invoke 
    88206 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    88207 File
    88208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88209 packages/chimerax/core/session.py", line 943, in <lambda> 
    88210 logger.report_exception(preface=preface)) 
    88211 File
    88212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88213 packages/chimerax/core/logger.py", line 421, in report_exception 
    88214 elif probably_chimera1_session(exc_info): 
    88215 File
    88216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88217 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88218 etype, evalue, etraceback = exc_info 
    88219 TypeError: cannot unpack non-iterable NoneType object 
    88220  
    88221 TypeError: cannot unpack non-iterable NoneType object 
    88222  
    88223 File
    88224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88225 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88226 etype, evalue, etraceback = exc_info 
    88227  
    88228 See log for complete Python traceback. 
    88229  
    88230 Traceback (most recent call last): 
    88231 File
    88232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88233 packages/chimerax/core/triggerset.py", line 130, in invoke 
    88234 return self._func(self._name, data) 
    88235 File
    88236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88237 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    88238 if v.display: 
    88239 File
    88240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88241 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    88242 return self._any_displayed_positions and len(self._positions) > 0 
    88243 TypeError: object of type 'NoneType' has no len() 
    88244  
    88245 During handling of the above exception, another exception occurred: 
    88246  
    88247 Traceback (most recent call last): 
    88248 File
    88249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88250 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    88251 if not self.draw_new_frame(): 
    88252 File
    88253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88254 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    88255 changed = view.check_for_drawing_change() 
    88256 File
    88257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88258 packages/chimerax/core/graphics/view.py", line 252, in
    88259 check_for_drawing_change 
    88260 trig.activate_trigger('graphics update', self) 
    88261 File
    88262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88263 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    88264 trigger.activate(data) 
    88265 File
    88266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88267 packages/chimerax/core/triggerset.py", line 190, in activate 
    88268 ret = handler.invoke(data, self._remove_bad_handlers) 
    88269 File
    88270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88271 packages/chimerax/core/triggerset.py", line 132, in invoke 
    88272 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    88273 File
    88274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88275 packages/chimerax/core/session.py", line 943, in <lambda> 
    88276 logger.report_exception(preface=preface)) 
    88277 File
    88278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88279 packages/chimerax/core/logger.py", line 421, in report_exception 
    88280 elif probably_chimera1_session(exc_info): 
    88281 File
    88282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88283 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88284 etype, evalue, etraceback = exc_info 
    88285 TypeError: cannot unpack non-iterable NoneType object 
    88286  
    88287 TypeError: cannot unpack non-iterable NoneType object 
    88288  
    88289 File
    88290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88291 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88292 etype, evalue, etraceback = exc_info 
    88293  
    88294 See log for complete Python traceback. 
    88295  
    88296 Traceback (most recent call last): 
    88297 File
    88298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88299 packages/chimerax/core/triggerset.py", line 130, in invoke 
    88300 return self._func(self._name, data) 
    88301 File
    88302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88303 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    88304 if v.display: 
    88305 File
    88306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88307 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    88308 return self._any_displayed_positions and len(self._positions) > 0 
    88309 TypeError: object of type 'NoneType' has no len() 
    88310  
    88311 During handling of the above exception, another exception occurred: 
    88312  
    88313 Traceback (most recent call last): 
    88314 File
    88315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88316 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    88317 if not self.draw_new_frame(): 
    88318 File
    88319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88320 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    88321 changed = view.check_for_drawing_change() 
    88322 File
    88323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88324 packages/chimerax/core/graphics/view.py", line 252, in
    88325 check_for_drawing_change 
    88326 trig.activate_trigger('graphics update', self) 
    88327 File
    88328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88329 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    88330 trigger.activate(data) 
    88331 File
    88332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88333 packages/chimerax/core/triggerset.py", line 190, in activate 
    88334 ret = handler.invoke(data, self._remove_bad_handlers) 
    88335 File
    88336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88337 packages/chimerax/core/triggerset.py", line 132, in invoke 
    88338 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    88339 File
    88340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88341 packages/chimerax/core/session.py", line 943, in <lambda> 
    88342 logger.report_exception(preface=preface)) 
    88343 File
    88344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88345 packages/chimerax/core/logger.py", line 421, in report_exception 
    88346 elif probably_chimera1_session(exc_info): 
    88347 File
    88348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88349 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88350 etype, evalue, etraceback = exc_info 
    88351 TypeError: cannot unpack non-iterable NoneType object 
    88352  
    88353 TypeError: cannot unpack non-iterable NoneType object 
    88354  
    88355 File
    88356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88357 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88358 etype, evalue, etraceback = exc_info 
    88359  
    88360 See log for complete Python traceback. 
    88361  
    88362 Traceback (most recent call last): 
    88363 File
    88364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88365 packages/chimerax/core/triggerset.py", line 130, in invoke 
    88366 return self._func(self._name, data) 
    88367 File
    88368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88369 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    88370 if v.display: 
    88371 File
    88372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88373 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    88374 return self._any_displayed_positions and len(self._positions) > 0 
    88375 TypeError: object of type 'NoneType' has no len() 
    88376  
    88377 During handling of the above exception, another exception occurred: 
    88378  
    88379 Traceback (most recent call last): 
    88380 File
    88381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88382 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    88383 if not self.draw_new_frame(): 
    88384 File
    88385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88386 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    88387 changed = view.check_for_drawing_change() 
    88388 File
    88389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88390 packages/chimerax/core/graphics/view.py", line 252, in
    88391 check_for_drawing_change 
    88392 trig.activate_trigger('graphics update', self) 
    88393 File
    88394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88395 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    88396 trigger.activate(data) 
    88397 File
    88398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88399 packages/chimerax/core/triggerset.py", line 190, in activate 
    88400 ret = handler.invoke(data, self._remove_bad_handlers) 
    88401 File
    88402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88403 packages/chimerax/core/triggerset.py", line 132, in invoke 
    88404 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    88405 File
    88406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88407 packages/chimerax/core/session.py", line 943, in <lambda> 
    88408 logger.report_exception(preface=preface)) 
    88409 File
    88410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88411 packages/chimerax/core/logger.py", line 421, in report_exception 
    88412 elif probably_chimera1_session(exc_info): 
    88413 File
    88414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88415 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88416 etype, evalue, etraceback = exc_info 
    88417 TypeError: cannot unpack non-iterable NoneType object 
    88418  
    88419 TypeError: cannot unpack non-iterable NoneType object 
    88420  
    88421 File
    88422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88423 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88424 etype, evalue, etraceback = exc_info 
    88425  
    88426 See log for complete Python traceback. 
    88427  
    88428 Traceback (most recent call last): 
    88429 File
    88430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88431 packages/chimerax/core/triggerset.py", line 130, in invoke 
    88432 return self._func(self._name, data) 
    88433 File
    88434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88435 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    88436 if v.display: 
    88437 File
    88438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88439 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    88440 return self._any_displayed_positions and len(self._positions) > 0 
    88441 TypeError: object of type 'NoneType' has no len() 
    88442  
    88443 During handling of the above exception, another exception occurred: 
    88444  
    88445 Traceback (most recent call last): 
    88446 File
    88447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88448 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    88449 if not self.draw_new_frame(): 
    88450 File
    88451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88452 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    88453 changed = view.check_for_drawing_change() 
    88454 File
    88455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88456 packages/chimerax/core/graphics/view.py", line 252, in
    88457 check_for_drawing_change 
    88458 trig.activate_trigger('graphics update', self) 
    88459 File
    88460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88461 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    88462 trigger.activate(data) 
    88463 File
    88464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88465 packages/chimerax/core/triggerset.py", line 190, in activate 
    88466 ret = handler.invoke(data, self._remove_bad_handlers) 
    88467 File
    88468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88469 packages/chimerax/core/triggerset.py", line 132, in invoke 
    88470 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    88471 File
    88472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88473 packages/chimerax/core/session.py", line 943, in <lambda> 
    88474 logger.report_exception(preface=preface)) 
    88475 File
    88476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88477 packages/chimerax/core/logger.py", line 421, in report_exception 
    88478 elif probably_chimera1_session(exc_info): 
    88479 File
    88480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88481 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88482 etype, evalue, etraceback = exc_info 
    88483 TypeError: cannot unpack non-iterable NoneType object 
    88484  
    88485 TypeError: cannot unpack non-iterable NoneType object 
    88486  
    88487 File
    88488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88489 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88490 etype, evalue, etraceback = exc_info 
    88491  
    88492 See log for complete Python traceback. 
    88493  
    88494 Traceback (most recent call last): 
    88495 File
    88496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88497 packages/chimerax/core/triggerset.py", line 130, in invoke 
    88498 return self._func(self._name, data) 
    88499 File
    88500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88501 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    88502 if v.display: 
    88503 File
    88504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88505 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    88506 return self._any_displayed_positions and len(self._positions) > 0 
    88507 TypeError: object of type 'NoneType' has no len() 
    88508  
    88509 During handling of the above exception, another exception occurred: 
    88510  
    88511 Traceback (most recent call last): 
    88512 File
    88513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88514 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    88515 if not self.draw_new_frame(): 
    88516 File
    88517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88518 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    88519 changed = view.check_for_drawing_change() 
    88520 File
    88521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88522 packages/chimerax/core/graphics/view.py", line 252, in
    88523 check_for_drawing_change 
    88524 trig.activate_trigger('graphics update', self) 
    88525 File
    88526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88527 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    88528 trigger.activate(data) 
    88529 File
    88530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88531 packages/chimerax/core/triggerset.py", line 190, in activate 
    88532 ret = handler.invoke(data, self._remove_bad_handlers) 
    88533 File
    88534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88535 packages/chimerax/core/triggerset.py", line 132, in invoke 
    88536 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    88537 File
    88538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88539 packages/chimerax/core/session.py", line 943, in <lambda> 
    88540 logger.report_exception(preface=preface)) 
    88541 File
    88542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88543 packages/chimerax/core/logger.py", line 421, in report_exception 
    88544 elif probably_chimera1_session(exc_info): 
    88545 File
    88546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88547 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88548 etype, evalue, etraceback = exc_info 
    88549 TypeError: cannot unpack non-iterable NoneType object 
    88550  
    88551 TypeError: cannot unpack non-iterable NoneType object 
    88552  
    88553 File
    88554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88555 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88556 etype, evalue, etraceback = exc_info 
    88557  
    88558 See log for complete Python traceback. 
    88559  
    88560 Traceback (most recent call last): 
    88561 File
    88562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88563 packages/chimerax/core/triggerset.py", line 130, in invoke 
    88564 return self._func(self._name, data) 
    88565 File
    88566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88567 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    88568 if v.display: 
    88569 File
    88570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88571 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    88572 return self._any_displayed_positions and len(self._positions) > 0 
    88573 TypeError: object of type 'NoneType' has no len() 
    88574  
    88575 During handling of the above exception, another exception occurred: 
    88576  
    88577 Traceback (most recent call last): 
    88578 File
    88579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88580 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    88581 if not self.draw_new_frame(): 
    88582 File
    88583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88584 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    88585 changed = view.check_for_drawing_change() 
    88586 File
    88587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88588 packages/chimerax/core/graphics/view.py", line 252, in
    88589 check_for_drawing_change 
    88590 trig.activate_trigger('graphics update', self) 
    88591 File
    88592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88593 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    88594 trigger.activate(data) 
    88595 File
    88596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88597 packages/chimerax/core/triggerset.py", line 190, in activate 
    88598 ret = handler.invoke(data, self._remove_bad_handlers) 
    88599 File
    88600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88601 packages/chimerax/core/triggerset.py", line 132, in invoke 
    88602 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    88603 File
    88604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88605 packages/chimerax/core/session.py", line 943, in <lambda> 
    88606 logger.report_exception(preface=preface)) 
    88607 File
    88608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88609 packages/chimerax/core/logger.py", line 421, in report_exception 
    88610 elif probably_chimera1_session(exc_info): 
    88611 File
    88612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88613 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88614 etype, evalue, etraceback = exc_info 
    88615 TypeError: cannot unpack non-iterable NoneType object 
    88616  
    88617 TypeError: cannot unpack non-iterable NoneType object 
    88618  
    88619 File
    88620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88621 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88622 etype, evalue, etraceback = exc_info 
    88623  
    88624 See log for complete Python traceback. 
    88625  
    88626 Traceback (most recent call last): 
    88627 File
    88628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88629 packages/chimerax/core/triggerset.py", line 130, in invoke 
    88630 return self._func(self._name, data) 
    88631 File
    88632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88633 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    88634 if v.display: 
    88635 File
    88636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88637 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    88638 return self._any_displayed_positions and len(self._positions) > 0 
    88639 TypeError: object of type 'NoneType' has no len() 
    88640  
    88641 During handling of the above exception, another exception occurred: 
    88642  
    88643 Traceback (most recent call last): 
    88644 File
    88645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88646 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    88647 if not self.draw_new_frame(): 
    88648 File
    88649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88650 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    88651 changed = view.check_for_drawing_change() 
    88652 File
    88653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88654 packages/chimerax/core/graphics/view.py", line 252, in
    88655 check_for_drawing_change 
    88656 trig.activate_trigger('graphics update', self) 
    88657 File
    88658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88659 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    88660 trigger.activate(data) 
    88661 File
    88662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88663 packages/chimerax/core/triggerset.py", line 190, in activate 
    88664 ret = handler.invoke(data, self._remove_bad_handlers) 
    88665 File
    88666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88667 packages/chimerax/core/triggerset.py", line 132, in invoke 
    88668 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    88669 File
    88670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88671 packages/chimerax/core/session.py", line 943, in <lambda> 
    88672 logger.report_exception(preface=preface)) 
    88673 File
    88674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88675 packages/chimerax/core/logger.py", line 421, in report_exception 
    88676 elif probably_chimera1_session(exc_info): 
    88677 File
    88678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88679 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88680 etype, evalue, etraceback = exc_info 
    88681 TypeError: cannot unpack non-iterable NoneType object 
    88682  
    88683 TypeError: cannot unpack non-iterable NoneType object 
    88684  
    88685 File
    88686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88687 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88688 etype, evalue, etraceback = exc_info 
    88689  
    88690 See log for complete Python traceback. 
    88691  
    88692 Traceback (most recent call last): 
    88693 File
    88694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88695 packages/chimerax/core/triggerset.py", line 130, in invoke 
    88696 return self._func(self._name, data) 
    88697 File
    88698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88699 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    88700 if v.display: 
    88701 File
    88702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88703 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    88704 return self._any_displayed_positions and len(self._positions) > 0 
    88705 TypeError: object of type 'NoneType' has no len() 
    88706  
    88707 During handling of the above exception, another exception occurred: 
    88708  
    88709 Traceback (most recent call last): 
    88710 File
    88711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88712 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    88713 if not self.draw_new_frame(): 
    88714 File
    88715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88716 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    88717 changed = view.check_for_drawing_change() 
    88718 File
    88719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88720 packages/chimerax/core/graphics/view.py", line 252, in
    88721 check_for_drawing_change 
    88722 trig.activate_trigger('graphics update', self) 
    88723 File
    88724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88725 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    88726 trigger.activate(data) 
    88727 File
    88728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88729 packages/chimerax/core/triggerset.py", line 190, in activate 
    88730 ret = handler.invoke(data, self._remove_bad_handlers) 
    88731 File
    88732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88733 packages/chimerax/core/triggerset.py", line 132, in invoke 
    88734 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    88735 File
    88736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88737 packages/chimerax/core/session.py", line 943, in <lambda> 
    88738 logger.report_exception(preface=preface)) 
    88739 File
    88740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88741 packages/chimerax/core/logger.py", line 421, in report_exception 
    88742 elif probably_chimera1_session(exc_info): 
    88743 File
    88744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88745 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88746 etype, evalue, etraceback = exc_info 
    88747 TypeError: cannot unpack non-iterable NoneType object 
    88748  
    88749 TypeError: cannot unpack non-iterable NoneType object 
    88750  
    88751 File
    88752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88753 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88754 etype, evalue, etraceback = exc_info 
    88755  
    88756 See log for complete Python traceback. 
    88757  
    88758 Traceback (most recent call last): 
    88759 File
    88760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88761 packages/chimerax/core/triggerset.py", line 130, in invoke 
    88762 return self._func(self._name, data) 
    88763 File
    88764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88765 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    88766 if v.display: 
    88767 File
    88768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88769 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    88770 return self._any_displayed_positions and len(self._positions) > 0 
    88771 TypeError: object of type 'NoneType' has no len() 
    88772  
    88773 During handling of the above exception, another exception occurred: 
    88774  
    88775 Traceback (most recent call last): 
    88776 File
    88777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88778 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    88779 if not self.draw_new_frame(): 
    88780 File
    88781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88782 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    88783 changed = view.check_for_drawing_change() 
    88784 File
    88785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88786 packages/chimerax/core/graphics/view.py", line 252, in
    88787 check_for_drawing_change 
    88788 trig.activate_trigger('graphics update', self) 
    88789 File
    88790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88791 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    88792 trigger.activate(data) 
    88793 File
    88794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88795 packages/chimerax/core/triggerset.py", line 190, in activate 
    88796 ret = handler.invoke(data, self._remove_bad_handlers) 
    88797 File
    88798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88799 packages/chimerax/core/triggerset.py", line 132, in invoke 
    88800 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    88801 File
    88802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88803 packages/chimerax/core/session.py", line 943, in <lambda> 
    88804 logger.report_exception(preface=preface)) 
    88805 File
    88806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88807 packages/chimerax/core/logger.py", line 421, in report_exception 
    88808 elif probably_chimera1_session(exc_info): 
    88809 File
    88810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88811 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88812 etype, evalue, etraceback = exc_info 
    88813 TypeError: cannot unpack non-iterable NoneType object 
    88814  
    88815 TypeError: cannot unpack non-iterable NoneType object 
    88816  
    88817 File
    88818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88819 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88820 etype, evalue, etraceback = exc_info 
    88821  
    88822 See log for complete Python traceback. 
    88823  
    88824 Traceback (most recent call last): 
    88825 File
    88826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88827 packages/chimerax/core/triggerset.py", line 130, in invoke 
    88828 return self._func(self._name, data) 
    88829 File
    88830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88831 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    88832 if v.display: 
    88833 File
    88834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88835 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    88836 return self._any_displayed_positions and len(self._positions) > 0 
    88837 TypeError: object of type 'NoneType' has no len() 
    88838  
    88839 During handling of the above exception, another exception occurred: 
    88840  
    88841 Traceback (most recent call last): 
    88842 File
    88843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88844 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    88845 if not self.draw_new_frame(): 
    88846 File
    88847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88848 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    88849 changed = view.check_for_drawing_change() 
    88850 File
    88851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88852 packages/chimerax/core/graphics/view.py", line 252, in
    88853 check_for_drawing_change 
    88854 trig.activate_trigger('graphics update', self) 
    88855 File
    88856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88857 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    88858 trigger.activate(data) 
    88859 File
    88860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88861 packages/chimerax/core/triggerset.py", line 190, in activate 
    88862 ret = handler.invoke(data, self._remove_bad_handlers) 
    88863 File
    88864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88865 packages/chimerax/core/triggerset.py", line 132, in invoke 
    88866 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    88867 File
    88868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88869 packages/chimerax/core/session.py", line 943, in <lambda> 
    88870 logger.report_exception(preface=preface)) 
    88871 File
    88872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88873 packages/chimerax/core/logger.py", line 421, in report_exception 
    88874 elif probably_chimera1_session(exc_info): 
    88875 File
    88876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88877 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88878 etype, evalue, etraceback = exc_info 
    88879 TypeError: cannot unpack non-iterable NoneType object 
    88880  
    88881 TypeError: cannot unpack non-iterable NoneType object 
    88882  
    88883 File
    88884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88885 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88886 etype, evalue, etraceback = exc_info 
    88887  
    88888 See log for complete Python traceback. 
    88889  
    88890 Traceback (most recent call last): 
    88891 File
    88892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88893 packages/chimerax/core/triggerset.py", line 130, in invoke 
    88894 return self._func(self._name, data) 
    88895 File
    88896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88897 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    88898 if v.display: 
    88899 File
    88900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88901 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    88902 return self._any_displayed_positions and len(self._positions) > 0 
    88903 TypeError: object of type 'NoneType' has no len() 
    88904  
    88905 During handling of the above exception, another exception occurred: 
    88906  
    88907 Traceback (most recent call last): 
    88908 File
    88909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88910 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    88911 if not self.draw_new_frame(): 
    88912 File
    88913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88914 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    88915 changed = view.check_for_drawing_change() 
    88916 File
    88917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88918 packages/chimerax/core/graphics/view.py", line 252, in
    88919 check_for_drawing_change 
    88920 trig.activate_trigger('graphics update', self) 
    88921 File
    88922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88923 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    88924 trigger.activate(data) 
    88925 File
    88926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88927 packages/chimerax/core/triggerset.py", line 190, in activate 
    88928 ret = handler.invoke(data, self._remove_bad_handlers) 
    88929 File
    88930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88931 packages/chimerax/core/triggerset.py", line 132, in invoke 
    88932 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    88933 File
    88934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88935 packages/chimerax/core/session.py", line 943, in <lambda> 
    88936 logger.report_exception(preface=preface)) 
    88937 File
    88938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88939 packages/chimerax/core/logger.py", line 421, in report_exception 
    88940 elif probably_chimera1_session(exc_info): 
    88941 File
    88942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88943 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88944 etype, evalue, etraceback = exc_info 
    88945 TypeError: cannot unpack non-iterable NoneType object 
    88946  
    88947 TypeError: cannot unpack non-iterable NoneType object 
    88948  
    88949 File
    88950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88951 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88952 etype, evalue, etraceback = exc_info 
    88953  
    88954 See log for complete Python traceback. 
    88955  
    88956 Traceback (most recent call last): 
    88957 File
    88958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88959 packages/chimerax/core/triggerset.py", line 130, in invoke 
    88960 return self._func(self._name, data) 
    88961 File
    88962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88963 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    88964 if v.display: 
    88965 File
    88966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88967 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    88968 return self._any_displayed_positions and len(self._positions) > 0 
    88969 TypeError: object of type 'NoneType' has no len() 
    88970  
    88971 During handling of the above exception, another exception occurred: 
    88972  
    88973 Traceback (most recent call last): 
    88974 File
    88975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88976 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    88977 if not self.draw_new_frame(): 
    88978 File
    88979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88980 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    88981 changed = view.check_for_drawing_change() 
    88982 File
    88983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88984 packages/chimerax/core/graphics/view.py", line 252, in
    88985 check_for_drawing_change 
    88986 trig.activate_trigger('graphics update', self) 
    88987 File
    88988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88989 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    88990 trigger.activate(data) 
    88991 File
    88992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88993 packages/chimerax/core/triggerset.py", line 190, in activate 
    88994 ret = handler.invoke(data, self._remove_bad_handlers) 
    88995 File
    88996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88997 packages/chimerax/core/triggerset.py", line 132, in invoke 
    88998 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    88999 File
    89000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89001 packages/chimerax/core/session.py", line 943, in <lambda> 
    89002 logger.report_exception(preface=preface)) 
    89003 File
    89004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89005 packages/chimerax/core/logger.py", line 421, in report_exception 
    89006 elif probably_chimera1_session(exc_info): 
    89007 File
    89008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89009 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89010 etype, evalue, etraceback = exc_info 
    89011 TypeError: cannot unpack non-iterable NoneType object 
    89012  
    89013 TypeError: cannot unpack non-iterable NoneType object 
    89014  
    89015 File
    89016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89017 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89018 etype, evalue, etraceback = exc_info 
    89019  
    89020 See log for complete Python traceback. 
    89021  
    89022 Traceback (most recent call last): 
    89023 File
    89024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89025 packages/chimerax/core/triggerset.py", line 130, in invoke 
    89026 return self._func(self._name, data) 
    89027 File
    89028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89029 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    89030 if v.display: 
    89031 File
    89032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89033 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    89034 return self._any_displayed_positions and len(self._positions) > 0 
    89035 TypeError: object of type 'NoneType' has no len() 
    89036  
    89037 During handling of the above exception, another exception occurred: 
    89038  
    89039 Traceback (most recent call last): 
    89040 File
    89041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89042 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    89043 if not self.draw_new_frame(): 
    89044 File
    89045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89046 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    89047 changed = view.check_for_drawing_change() 
    89048 File
    89049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89050 packages/chimerax/core/graphics/view.py", line 252, in
    89051 check_for_drawing_change 
    89052 trig.activate_trigger('graphics update', self) 
    89053 File
    89054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89055 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    89056 trigger.activate(data) 
    89057 File
    89058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89059 packages/chimerax/core/triggerset.py", line 190, in activate 
    89060 ret = handler.invoke(data, self._remove_bad_handlers) 
    89061 File
    89062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89063 packages/chimerax/core/triggerset.py", line 132, in invoke 
    89064 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    89065 File
    89066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89067 packages/chimerax/core/session.py", line 943, in <lambda> 
    89068 logger.report_exception(preface=preface)) 
    89069 File
    89070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89071 packages/chimerax/core/logger.py", line 421, in report_exception 
    89072 elif probably_chimera1_session(exc_info): 
    89073 File
    89074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89075 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89076 etype, evalue, etraceback = exc_info 
    89077 TypeError: cannot unpack non-iterable NoneType object 
    89078  
    89079 TypeError: cannot unpack non-iterable NoneType object 
    89080  
    89081 File
    89082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89083 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89084 etype, evalue, etraceback = exc_info 
    89085  
    89086 See log for complete Python traceback. 
    89087  
    89088 Traceback (most recent call last): 
    89089 File
    89090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89091 packages/chimerax/core/triggerset.py", line 130, in invoke 
    89092 return self._func(self._name, data) 
    89093 File
    89094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89095 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    89096 if v.display: 
    89097 File
    89098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89099 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    89100 return self._any_displayed_positions and len(self._positions) > 0 
    89101 TypeError: object of type 'NoneType' has no len() 
    89102  
    89103 During handling of the above exception, another exception occurred: 
    89104  
    89105 Traceback (most recent call last): 
    89106 File
    89107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89108 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    89109 if not self.draw_new_frame(): 
    89110 File
    89111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89112 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    89113 changed = view.check_for_drawing_change() 
    89114 File
    89115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89116 packages/chimerax/core/graphics/view.py", line 252, in
    89117 check_for_drawing_change 
    89118 trig.activate_trigger('graphics update', self) 
    89119 File
    89120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89121 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    89122 trigger.activate(data) 
    89123 File
    89124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89125 packages/chimerax/core/triggerset.py", line 190, in activate 
    89126 ret = handler.invoke(data, self._remove_bad_handlers) 
    89127 File
    89128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89129 packages/chimerax/core/triggerset.py", line 132, in invoke 
    89130 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    89131 File
    89132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89133 packages/chimerax/core/session.py", line 943, in <lambda> 
    89134 logger.report_exception(preface=preface)) 
    89135 File
    89136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89137 packages/chimerax/core/logger.py", line 421, in report_exception 
    89138 elif probably_chimera1_session(exc_info): 
    89139 File
    89140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89141 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89142 etype, evalue, etraceback = exc_info 
    89143 TypeError: cannot unpack non-iterable NoneType object 
    89144  
    89145 TypeError: cannot unpack non-iterable NoneType object 
    89146  
    89147 File
    89148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89149 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89150 etype, evalue, etraceback = exc_info 
    89151  
    89152 See log for complete Python traceback. 
    89153  
    89154 Traceback (most recent call last): 
    89155 File
    89156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89157 packages/chimerax/core/triggerset.py", line 130, in invoke 
    89158 return self._func(self._name, data) 
    89159 File
    89160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89161 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    89162 if v.display: 
    89163 File
    89164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89165 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    89166 return self._any_displayed_positions and len(self._positions) > 0 
    89167 TypeError: object of type 'NoneType' has no len() 
    89168  
    89169 During handling of the above exception, another exception occurred: 
    89170  
    89171 Traceback (most recent call last): 
    89172 File
    89173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89174 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    89175 if not self.draw_new_frame(): 
    89176 File
    89177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89178 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    89179 changed = view.check_for_drawing_change() 
    89180 File
    89181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89182 packages/chimerax/core/graphics/view.py", line 252, in
    89183 check_for_drawing_change 
    89184 trig.activate_trigger('graphics update', self) 
    89185 File
    89186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89187 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    89188 trigger.activate(data) 
    89189 File
    89190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89191 packages/chimerax/core/triggerset.py", line 190, in activate 
    89192 ret = handler.invoke(data, self._remove_bad_handlers) 
    89193 File
    89194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89195 packages/chimerax/core/triggerset.py", line 132, in invoke 
    89196 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    89197 File
    89198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89199 packages/chimerax/core/session.py", line 943, in <lambda> 
    89200 logger.report_exception(preface=preface)) 
    89201 File
    89202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89203 packages/chimerax/core/logger.py", line 421, in report_exception 
    89204 elif probably_chimera1_session(exc_info): 
    89205 File
    89206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89207 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89208 etype, evalue, etraceback = exc_info 
    89209 TypeError: cannot unpack non-iterable NoneType object 
    89210  
    89211 TypeError: cannot unpack non-iterable NoneType object 
    89212  
    89213 File
    89214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89215 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89216 etype, evalue, etraceback = exc_info 
    89217  
    89218 See log for complete Python traceback. 
    89219  
    89220 Traceback (most recent call last): 
    89221 File
    89222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89223 packages/chimerax/core/triggerset.py", line 130, in invoke 
    89224 return self._func(self._name, data) 
    89225 File
    89226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89227 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    89228 if v.display: 
    89229 File
    89230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89231 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    89232 return self._any_displayed_positions and len(self._positions) > 0 
    89233 TypeError: object of type 'NoneType' has no len() 
    89234  
    89235 During handling of the above exception, another exception occurred: 
    89236  
    89237 Traceback (most recent call last): 
    89238 File
    89239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89240 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    89241 if not self.draw_new_frame(): 
    89242 File
    89243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89244 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    89245 changed = view.check_for_drawing_change() 
    89246 File
    89247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89248 packages/chimerax/core/graphics/view.py", line 252, in
    89249 check_for_drawing_change 
    89250 trig.activate_trigger('graphics update', self) 
    89251 File
    89252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89253 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    89254 trigger.activate(data) 
    89255 File
    89256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89257 packages/chimerax/core/triggerset.py", line 190, in activate 
    89258 ret = handler.invoke(data, self._remove_bad_handlers) 
    89259 File
    89260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89261 packages/chimerax/core/triggerset.py", line 132, in invoke 
    89262 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    89263 File
    89264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89265 packages/chimerax/core/session.py", line 943, in <lambda> 
    89266 logger.report_exception(preface=preface)) 
    89267 File
    89268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89269 packages/chimerax/core/logger.py", line 421, in report_exception 
    89270 elif probably_chimera1_session(exc_info): 
    89271 File
    89272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89273 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89274 etype, evalue, etraceback = exc_info 
    89275 TypeError: cannot unpack non-iterable NoneType object 
    89276  
    89277 TypeError: cannot unpack non-iterable NoneType object 
    89278  
    89279 File
    89280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89281 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89282 etype, evalue, etraceback = exc_info 
    89283  
    89284 See log for complete Python traceback. 
    89285  
    89286 Traceback (most recent call last): 
    89287 File
    89288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89289 packages/chimerax/core/triggerset.py", line 130, in invoke 
    89290 return self._func(self._name, data) 
    89291 File
    89292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89293 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    89294 if v.display: 
    89295 File
    89296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89297 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    89298 return self._any_displayed_positions and len(self._positions) > 0 
    89299 TypeError: object of type 'NoneType' has no len() 
    89300  
    89301 During handling of the above exception, another exception occurred: 
    89302  
    89303 Traceback (most recent call last): 
    89304 File
    89305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89306 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    89307 if not self.draw_new_frame(): 
    89308 File
    89309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89310 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    89311 changed = view.check_for_drawing_change() 
    89312 File
    89313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89314 packages/chimerax/core/graphics/view.py", line 252, in
    89315 check_for_drawing_change 
    89316 trig.activate_trigger('graphics update', self) 
    89317 File
    89318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89319 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    89320 trigger.activate(data) 
    89321 File
    89322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89323 packages/chimerax/core/triggerset.py", line 190, in activate 
    89324 ret = handler.invoke(data, self._remove_bad_handlers) 
    89325 File
    89326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89327 packages/chimerax/core/triggerset.py", line 132, in invoke 
    89328 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    89329 File
    89330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89331 packages/chimerax/core/session.py", line 943, in <lambda> 
    89332 logger.report_exception(preface=preface)) 
    89333 File
    89334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89335 packages/chimerax/core/logger.py", line 421, in report_exception 
    89336 elif probably_chimera1_session(exc_info): 
    89337 File
    89338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89339 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89340 etype, evalue, etraceback = exc_info 
    89341 TypeError: cannot unpack non-iterable NoneType object 
    89342  
    89343 TypeError: cannot unpack non-iterable NoneType object 
    89344  
    89345 File
    89346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89347 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89348 etype, evalue, etraceback = exc_info 
    89349  
    89350 See log for complete Python traceback. 
    89351  
    89352 Traceback (most recent call last): 
    89353 File
    89354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89355 packages/chimerax/core/triggerset.py", line 130, in invoke 
    89356 return self._func(self._name, data) 
    89357 File
    89358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89359 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    89360 if v.display: 
    89361 File
    89362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89363 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    89364 return self._any_displayed_positions and len(self._positions) > 0 
    89365 TypeError: object of type 'NoneType' has no len() 
    89366  
    89367 During handling of the above exception, another exception occurred: 
    89368  
    89369 Traceback (most recent call last): 
    89370 File
    89371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89372 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    89373 if not self.draw_new_frame(): 
    89374 File
    89375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89376 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    89377 changed = view.check_for_drawing_change() 
    89378 File
    89379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89380 packages/chimerax/core/graphics/view.py", line 252, in
    89381 check_for_drawing_change 
    89382 trig.activate_trigger('graphics update', self) 
    89383 File
    89384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89385 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    89386 trigger.activate(data) 
    89387 File
    89388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89389 packages/chimerax/core/triggerset.py", line 190, in activate 
    89390 ret = handler.invoke(data, self._remove_bad_handlers) 
    89391 File
    89392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89393 packages/chimerax/core/triggerset.py", line 132, in invoke 
    89394 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    89395 File
    89396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89397 packages/chimerax/core/session.py", line 943, in <lambda> 
    89398 logger.report_exception(preface=preface)) 
    89399 File
    89400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89401 packages/chimerax/core/logger.py", line 421, in report_exception 
    89402 elif probably_chimera1_session(exc_info): 
    89403 File
    89404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89405 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89406 etype, evalue, etraceback = exc_info 
    89407 TypeError: cannot unpack non-iterable NoneType object 
    89408  
    89409 TypeError: cannot unpack non-iterable NoneType object 
    89410  
    89411 File
    89412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89413 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89414 etype, evalue, etraceback = exc_info 
    89415  
    89416 See log for complete Python traceback. 
    89417  
    89418 Traceback (most recent call last): 
    89419 File
    89420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89421 packages/chimerax/core/triggerset.py", line 130, in invoke 
    89422 return self._func(self._name, data) 
    89423 File
    89424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89425 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    89426 if v.display: 
    89427 File
    89428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89429 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    89430 return self._any_displayed_positions and len(self._positions) > 0 
    89431 TypeError: object of type 'NoneType' has no len() 
    89432  
    89433 During handling of the above exception, another exception occurred: 
    89434  
    89435 Traceback (most recent call last): 
    89436 File
    89437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89438 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    89439 if not self.draw_new_frame(): 
    89440 File
    89441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89442 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    89443 changed = view.check_for_drawing_change() 
    89444 File
    89445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89446 packages/chimerax/core/graphics/view.py", line 252, in
    89447 check_for_drawing_change 
    89448 trig.activate_trigger('graphics update', self) 
    89449 File
    89450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89451 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    89452 trigger.activate(data) 
    89453 File
    89454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89455 packages/chimerax/core/triggerset.py", line 190, in activate 
    89456 ret = handler.invoke(data, self._remove_bad_handlers) 
    89457 File
    89458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89459 packages/chimerax/core/triggerset.py", line 132, in invoke 
    89460 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    89461 File
    89462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89463 packages/chimerax/core/session.py", line 943, in <lambda> 
    89464 logger.report_exception(preface=preface)) 
    89465 File
    89466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89467 packages/chimerax/core/logger.py", line 421, in report_exception 
    89468 elif probably_chimera1_session(exc_info): 
    89469 File
    89470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89471 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89472 etype, evalue, etraceback = exc_info 
    89473 TypeError: cannot unpack non-iterable NoneType object 
    89474  
    89475 TypeError: cannot unpack non-iterable NoneType object 
    89476  
    89477 File
    89478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89479 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89480 etype, evalue, etraceback = exc_info 
    89481  
    89482 See log for complete Python traceback. 
    89483  
    89484 Traceback (most recent call last): 
    89485 File
    89486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89487 packages/chimerax/core/triggerset.py", line 130, in invoke 
    89488 return self._func(self._name, data) 
    89489 File
    89490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89491 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    89492 if v.display: 
    89493 File
    89494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89495 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    89496 return self._any_displayed_positions and len(self._positions) > 0 
    89497 TypeError: object of type 'NoneType' has no len() 
    89498  
    89499 During handling of the above exception, another exception occurred: 
    89500  
    89501 Traceback (most recent call last): 
    89502 File
    89503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89504 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    89505 if not self.draw_new_frame(): 
    89506 File
    89507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89508 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    89509 changed = view.check_for_drawing_change() 
    89510 File
    89511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89512 packages/chimerax/core/graphics/view.py", line 252, in
    89513 check_for_drawing_change 
    89514 trig.activate_trigger('graphics update', self) 
    89515 File
    89516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89517 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    89518 trigger.activate(data) 
    89519 File
    89520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89521 packages/chimerax/core/triggerset.py", line 190, in activate 
    89522 ret = handler.invoke(data, self._remove_bad_handlers) 
    89523 File
    89524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89525 packages/chimerax/core/triggerset.py", line 132, in invoke 
    89526 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    89527 File
    89528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89529 packages/chimerax/core/session.py", line 943, in <lambda> 
    89530 logger.report_exception(preface=preface)) 
    89531 File
    89532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89533 packages/chimerax/core/logger.py", line 421, in report_exception 
    89534 elif probably_chimera1_session(exc_info): 
    89535 File
    89536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89537 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89538 etype, evalue, etraceback = exc_info 
    89539 TypeError: cannot unpack non-iterable NoneType object 
    89540  
    89541 TypeError: cannot unpack non-iterable NoneType object 
    89542  
    89543 File
    89544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89545 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89546 etype, evalue, etraceback = exc_info 
    89547  
    89548 See log for complete Python traceback. 
    89549  
    89550 Traceback (most recent call last): 
    89551 File
    89552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89553 packages/chimerax/core/triggerset.py", line 130, in invoke 
    89554 return self._func(self._name, data) 
    89555 File
    89556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89557 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    89558 if v.display: 
    89559 File
    89560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89561 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    89562 return self._any_displayed_positions and len(self._positions) > 0 
    89563 TypeError: object of type 'NoneType' has no len() 
    89564  
    89565 During handling of the above exception, another exception occurred: 
    89566  
    89567 Traceback (most recent call last): 
    89568 File
    89569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89570 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    89571 if not self.draw_new_frame(): 
    89572 File
    89573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89574 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    89575 changed = view.check_for_drawing_change() 
    89576 File
    89577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89578 packages/chimerax/core/graphics/view.py", line 252, in
    89579 check_for_drawing_change 
    89580 trig.activate_trigger('graphics update', self) 
    89581 File
    89582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89583 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    89584 trigger.activate(data) 
    89585 File
    89586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89587 packages/chimerax/core/triggerset.py", line 190, in activate 
    89588 ret = handler.invoke(data, self._remove_bad_handlers) 
    89589 File
    89590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89591 packages/chimerax/core/triggerset.py", line 132, in invoke 
    89592 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    89593 File
    89594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89595 packages/chimerax/core/session.py", line 943, in <lambda> 
    89596 logger.report_exception(preface=preface)) 
    89597 File
    89598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89599 packages/chimerax/core/logger.py", line 421, in report_exception 
    89600 elif probably_chimera1_session(exc_info): 
    89601 File
    89602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89603 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89604 etype, evalue, etraceback = exc_info 
    89605 TypeError: cannot unpack non-iterable NoneType object 
    89606  
    89607 TypeError: cannot unpack non-iterable NoneType object 
    89608  
    89609 File
    89610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89611 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89612 etype, evalue, etraceback = exc_info 
    89613  
    89614 See log for complete Python traceback. 
    89615  
    89616 Traceback (most recent call last): 
    89617 File
    89618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89619 packages/chimerax/core/triggerset.py", line 130, in invoke 
    89620 return self._func(self._name, data) 
    89621 File
    89622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89623 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    89624 if v.display: 
    89625 File
    89626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89627 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    89628 return self._any_displayed_positions and len(self._positions) > 0 
    89629 TypeError: object of type 'NoneType' has no len() 
    89630  
    89631 During handling of the above exception, another exception occurred: 
    89632  
    89633 Traceback (most recent call last): 
    89634 File
    89635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89636 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    89637 if not self.draw_new_frame(): 
    89638 File
    89639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89640 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    89641 changed = view.check_for_drawing_change() 
    89642 File
    89643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89644 packages/chimerax/core/graphics/view.py", line 252, in
    89645 check_for_drawing_change 
    89646 trig.activate_trigger('graphics update', self) 
    89647 File
    89648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89649 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    89650 trigger.activate(data) 
    89651 File
    89652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89653 packages/chimerax/core/triggerset.py", line 190, in activate 
    89654 ret = handler.invoke(data, self._remove_bad_handlers) 
    89655 File
    89656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89657 packages/chimerax/core/triggerset.py", line 132, in invoke 
    89658 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    89659 File
    89660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89661 packages/chimerax/core/session.py", line 943, in <lambda> 
    89662 logger.report_exception(preface=preface)) 
    89663 File
    89664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89665 packages/chimerax/core/logger.py", line 421, in report_exception 
    89666 elif probably_chimera1_session(exc_info): 
    89667 File
    89668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89669 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89670 etype, evalue, etraceback = exc_info 
    89671 TypeError: cannot unpack non-iterable NoneType object 
    89672  
    89673 TypeError: cannot unpack non-iterable NoneType object 
    89674  
    89675 File
    89676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89677 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89678 etype, evalue, etraceback = exc_info 
    89679  
    89680 See log for complete Python traceback. 
    89681  
    89682 Traceback (most recent call last): 
    89683 File
    89684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89685 packages/chimerax/core/triggerset.py", line 130, in invoke 
    89686 return self._func(self._name, data) 
    89687 File
    89688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89689 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    89690 if v.display: 
    89691 File
    89692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89693 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    89694 return self._any_displayed_positions and len(self._positions) > 0 
    89695 TypeError: object of type 'NoneType' has no len() 
    89696  
    89697 During handling of the above exception, another exception occurred: 
    89698  
    89699 Traceback (most recent call last): 
    89700 File
    89701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89702 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    89703 if not self.draw_new_frame(): 
    89704 File
    89705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89706 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    89707 changed = view.check_for_drawing_change() 
    89708 File
    89709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89710 packages/chimerax/core/graphics/view.py", line 252, in
    89711 check_for_drawing_change 
    89712 trig.activate_trigger('graphics update', self) 
    89713 File
    89714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89715 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    89716 trigger.activate(data) 
    89717 File
    89718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89719 packages/chimerax/core/triggerset.py", line 190, in activate 
    89720 ret = handler.invoke(data, self._remove_bad_handlers) 
    89721 File
    89722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89723 packages/chimerax/core/triggerset.py", line 132, in invoke 
    89724 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    89725 File
    89726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89727 packages/chimerax/core/session.py", line 943, in <lambda> 
    89728 logger.report_exception(preface=preface)) 
    89729 File
    89730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89731 packages/chimerax/core/logger.py", line 421, in report_exception 
    89732 elif probably_chimera1_session(exc_info): 
    89733 File
    89734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89735 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89736 etype, evalue, etraceback = exc_info 
    89737 TypeError: cannot unpack non-iterable NoneType object 
    89738  
    89739 TypeError: cannot unpack non-iterable NoneType object 
    89740  
    89741 File
    89742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89743 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89744 etype, evalue, etraceback = exc_info 
    89745  
    89746 See log for complete Python traceback. 
    89747  
    89748 Traceback (most recent call last): 
    89749 File
    89750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89751 packages/chimerax/core/triggerset.py", line 130, in invoke 
    89752 return self._func(self._name, data) 
    89753 File
    89754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89755 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    89756 if v.display: 
    89757 File
    89758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89759 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    89760 return self._any_displayed_positions and len(self._positions) > 0 
    89761 TypeError: object of type 'NoneType' has no len() 
    89762  
    89763 During handling of the above exception, another exception occurred: 
    89764  
    89765 Traceback (most recent call last): 
    89766 File
    89767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89768 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    89769 if not self.draw_new_frame(): 
    89770 File
    89771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89772 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    89773 changed = view.check_for_drawing_change() 
    89774 File
    89775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89776 packages/chimerax/core/graphics/view.py", line 252, in
    89777 check_for_drawing_change 
    89778 trig.activate_trigger('graphics update', self) 
    89779 File
    89780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89781 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    89782 trigger.activate(data) 
    89783 File
    89784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89785 packages/chimerax/core/triggerset.py", line 190, in activate 
    89786 ret = handler.invoke(data, self._remove_bad_handlers) 
    89787 File
    89788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89789 packages/chimerax/core/triggerset.py", line 132, in invoke 
    89790 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    89791 File
    89792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89793 packages/chimerax/core/session.py", line 943, in <lambda> 
    89794 logger.report_exception(preface=preface)) 
    89795 File
    89796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89797 packages/chimerax/core/logger.py", line 421, in report_exception 
    89798 elif probably_chimera1_session(exc_info): 
    89799 File
    89800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89801 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89802 etype, evalue, etraceback = exc_info 
    89803 TypeError: cannot unpack non-iterable NoneType object 
    89804  
    89805 TypeError: cannot unpack non-iterable NoneType object 
    89806  
    89807 File
    89808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89809 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89810 etype, evalue, etraceback = exc_info 
    89811  
    89812 See log for complete Python traceback. 
    89813  
    89814 Traceback (most recent call last): 
    89815 File
    89816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89817 packages/chimerax/core/triggerset.py", line 130, in invoke 
    89818 return self._func(self._name, data) 
    89819 File
    89820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89821 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    89822 if v.display: 
    89823 File
    89824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89825 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    89826 return self._any_displayed_positions and len(self._positions) > 0 
    89827 TypeError: object of type 'NoneType' has no len() 
    89828  
    89829 During handling of the above exception, another exception occurred: 
    89830  
    89831 Traceback (most recent call last): 
    89832 File
    89833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89834 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    89835 if not self.draw_new_frame(): 
    89836 File
    89837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89838 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    89839 changed = view.check_for_drawing_change() 
    89840 File
    89841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89842 packages/chimerax/core/graphics/view.py", line 252, in
    89843 check_for_drawing_change 
    89844 trig.activate_trigger('graphics update', self) 
    89845 File
    89846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89847 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    89848 trigger.activate(data) 
    89849 File
    89850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89851 packages/chimerax/core/triggerset.py", line 190, in activate 
    89852 ret = handler.invoke(data, self._remove_bad_handlers) 
    89853 File
    89854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89855 packages/chimerax/core/triggerset.py", line 132, in invoke 
    89856 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    89857 File
    89858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89859 packages/chimerax/core/session.py", line 943, in <lambda> 
    89860 logger.report_exception(preface=preface)) 
    89861 File
    89862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89863 packages/chimerax/core/logger.py", line 421, in report_exception 
    89864 elif probably_chimera1_session(exc_info): 
    89865 File
    89866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89867 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89868 etype, evalue, etraceback = exc_info 
    89869 TypeError: cannot unpack non-iterable NoneType object 
    89870  
    89871 TypeError: cannot unpack non-iterable NoneType object 
    89872  
    89873 File
    89874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89875 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89876 etype, evalue, etraceback = exc_info 
    89877  
    89878 See log for complete Python traceback. 
    89879  
    89880 Traceback (most recent call last): 
    89881 File
    89882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89883 packages/chimerax/core/triggerset.py", line 130, in invoke 
    89884 return self._func(self._name, data) 
    89885 File
    89886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89887 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    89888 if v.display: 
    89889 File
    89890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89891 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    89892 return self._any_displayed_positions and len(self._positions) > 0 
    89893 TypeError: object of type 'NoneType' has no len() 
    89894  
    89895 During handling of the above exception, another exception occurred: 
    89896  
    89897 Traceback (most recent call last): 
    89898 File
    89899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89900 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    89901 if not self.draw_new_frame(): 
    89902 File
    89903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89904 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    89905 changed = view.check_for_drawing_change() 
    89906 File
    89907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89908 packages/chimerax/core/graphics/view.py", line 252, in
    89909 check_for_drawing_change 
    89910 trig.activate_trigger('graphics update', self) 
    89911 File
    89912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89913 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    89914 trigger.activate(data) 
    89915 File
    89916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89917 packages/chimerax/core/triggerset.py", line 190, in activate 
    89918 ret = handler.invoke(data, self._remove_bad_handlers) 
    89919 File
    89920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89921 packages/chimerax/core/triggerset.py", line 132, in invoke 
    89922 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    89923 File
    89924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89925 packages/chimerax/core/session.py", line 943, in <lambda> 
    89926 logger.report_exception(preface=preface)) 
    89927 File
    89928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89929 packages/chimerax/core/logger.py", line 421, in report_exception 
    89930 elif probably_chimera1_session(exc_info): 
    89931 File
    89932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89933 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89934 etype, evalue, etraceback = exc_info 
    89935 TypeError: cannot unpack non-iterable NoneType object 
    89936  
    89937 TypeError: cannot unpack non-iterable NoneType object 
    89938  
    89939 File
    89940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89941 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    89942 etype, evalue, etraceback = exc_info 
    89943  
    89944 See log for complete Python traceback. 
    89945  
    89946 Traceback (most recent call last): 
    89947 File
    89948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89949 packages/chimerax/core/triggerset.py", line 130, in invoke 
    89950 return self._func(self._name, data) 
    89951 File
    89952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89953 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    89954 if v.display: 
    89955 File
    89956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89957 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    89958 return self._any_displayed_positions and len(self._positions) > 0 
    89959 TypeError: object of type 'NoneType' has no len() 
    89960  
    89961 During handling of the above exception, another exception occurred: 
    89962  
    89963 Traceback (most recent call last): 
    89964 File
    89965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89966 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    89967 if not self.draw_new_frame(): 
    89968 File
    89969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89970 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    89971 changed = view.check_for_drawing_change() 
    89972 File
    89973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89974 packages/chimerax/core/graphics/view.py", line 252, in
    89975 check_for_drawing_change 
    89976 trig.activate_trigger('graphics update', self) 
    89977 File
    89978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89979 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    89980 trigger.activate(data) 
    89981 File
    89982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89983 packages/chimerax/core/triggerset.py", line 190, in activate 
    89984 ret = handler.invoke(data, self._remove_bad_handlers) 
    89985 File
    89986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89987 packages/chimerax/core/triggerset.py", line 132, in invoke 
    89988 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    89989 File
    89990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89991 packages/chimerax/core/session.py", line 943, in <lambda> 
    89992 logger.report_exception(preface=preface)) 
    89993 File
    89994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89995 packages/chimerax/core/logger.py", line 421, in report_exception 
    89996 elif probably_chimera1_session(exc_info): 
    89997 File
    89998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    89999 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90000 etype, evalue, etraceback = exc_info 
    90001 TypeError: cannot unpack non-iterable NoneType object 
    90002  
    90003 TypeError: cannot unpack non-iterable NoneType object 
    90004  
    90005 File
    90006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90007 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90008 etype, evalue, etraceback = exc_info 
    90009  
    90010 See log for complete Python traceback. 
    90011  
    90012 Traceback (most recent call last): 
    90013 File
    90014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90015 packages/chimerax/core/triggerset.py", line 130, in invoke 
    90016 return self._func(self._name, data) 
    90017 File
    90018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90019 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    90020 if v.display: 
    90021 File
    90022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90023 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    90024 return self._any_displayed_positions and len(self._positions) > 0 
    90025 TypeError: object of type 'NoneType' has no len() 
    90026  
    90027 During handling of the above exception, another exception occurred: 
    90028  
    90029 Traceback (most recent call last): 
    90030 File
    90031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90032 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    90033 if not self.draw_new_frame(): 
    90034 File
    90035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90036 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    90037 changed = view.check_for_drawing_change() 
    90038 File
    90039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90040 packages/chimerax/core/graphics/view.py", line 252, in
    90041 check_for_drawing_change 
    90042 trig.activate_trigger('graphics update', self) 
    90043 File
    90044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90045 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    90046 trigger.activate(data) 
    90047 File
    90048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90049 packages/chimerax/core/triggerset.py", line 190, in activate 
    90050 ret = handler.invoke(data, self._remove_bad_handlers) 
    90051 File
    90052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90053 packages/chimerax/core/triggerset.py", line 132, in invoke 
    90054 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    90055 File
    90056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90057 packages/chimerax/core/session.py", line 943, in <lambda> 
    90058 logger.report_exception(preface=preface)) 
    90059 File
    90060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90061 packages/chimerax/core/logger.py", line 421, in report_exception 
    90062 elif probably_chimera1_session(exc_info): 
    90063 File
    90064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90065 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90066 etype, evalue, etraceback = exc_info 
    90067 TypeError: cannot unpack non-iterable NoneType object 
    90068  
    90069 TypeError: cannot unpack non-iterable NoneType object 
    90070  
    90071 File
    90072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90073 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90074 etype, evalue, etraceback = exc_info 
    90075  
    90076 See log for complete Python traceback. 
    90077  
    90078 Traceback (most recent call last): 
    90079 File
    90080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90081 packages/chimerax/core/triggerset.py", line 130, in invoke 
    90082 return self._func(self._name, data) 
    90083 File
    90084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90085 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    90086 if v.display: 
    90087 File
    90088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90089 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    90090 return self._any_displayed_positions and len(self._positions) > 0 
    90091 TypeError: object of type 'NoneType' has no len() 
    90092  
    90093 During handling of the above exception, another exception occurred: 
    90094  
    90095 Traceback (most recent call last): 
    90096 File
    90097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90098 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    90099 if not self.draw_new_frame(): 
    90100 File
    90101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90102 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    90103 changed = view.check_for_drawing_change() 
    90104 File
    90105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90106 packages/chimerax/core/graphics/view.py", line 252, in
    90107 check_for_drawing_change 
    90108 trig.activate_trigger('graphics update', self) 
    90109 File
    90110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90111 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    90112 trigger.activate(data) 
    90113 File
    90114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90115 packages/chimerax/core/triggerset.py", line 190, in activate 
    90116 ret = handler.invoke(data, self._remove_bad_handlers) 
    90117 File
    90118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90119 packages/chimerax/core/triggerset.py", line 132, in invoke 
    90120 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    90121 File
    90122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90123 packages/chimerax/core/session.py", line 943, in <lambda> 
    90124 logger.report_exception(preface=preface)) 
    90125 File
    90126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90127 packages/chimerax/core/logger.py", line 421, in report_exception 
    90128 elif probably_chimera1_session(exc_info): 
    90129 File
    90130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90131 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90132 etype, evalue, etraceback = exc_info 
    90133 TypeError: cannot unpack non-iterable NoneType object 
    90134  
    90135 TypeError: cannot unpack non-iterable NoneType object 
    90136  
    90137 File
    90138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90139 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90140 etype, evalue, etraceback = exc_info 
    90141  
    90142 See log for complete Python traceback. 
    90143  
    90144 Traceback (most recent call last): 
    90145 File
    90146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90147 packages/chimerax/core/triggerset.py", line 130, in invoke 
    90148 return self._func(self._name, data) 
    90149 File
    90150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90151 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    90152 if v.display: 
    90153 File
    90154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90155 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    90156 return self._any_displayed_positions and len(self._positions) > 0 
    90157 TypeError: object of type 'NoneType' has no len() 
    90158  
    90159 During handling of the above exception, another exception occurred: 
    90160  
    90161 Traceback (most recent call last): 
    90162 File
    90163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90164 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    90165 if not self.draw_new_frame(): 
    90166 File
    90167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90168 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    90169 changed = view.check_for_drawing_change() 
    90170 File
    90171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90172 packages/chimerax/core/graphics/view.py", line 252, in
    90173 check_for_drawing_change 
    90174 trig.activate_trigger('graphics update', self) 
    90175 File
    90176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90177 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    90178 trigger.activate(data) 
    90179 File
    90180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90181 packages/chimerax/core/triggerset.py", line 190, in activate 
    90182 ret = handler.invoke(data, self._remove_bad_handlers) 
    90183 File
    90184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90185 packages/chimerax/core/triggerset.py", line 132, in invoke 
    90186 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    90187 File
    90188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90189 packages/chimerax/core/session.py", line 943, in <lambda> 
    90190 logger.report_exception(preface=preface)) 
    90191 File
    90192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90193 packages/chimerax/core/logger.py", line 421, in report_exception 
    90194 elif probably_chimera1_session(exc_info): 
    90195 File
    90196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90197 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90198 etype, evalue, etraceback = exc_info 
    90199 TypeError: cannot unpack non-iterable NoneType object 
    90200  
    90201 TypeError: cannot unpack non-iterable NoneType object 
    90202  
    90203 File
    90204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90205 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90206 etype, evalue, etraceback = exc_info 
    90207  
    90208 See log for complete Python traceback. 
    90209  
    90210 Traceback (most recent call last): 
    90211 File
    90212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90213 packages/chimerax/core/triggerset.py", line 130, in invoke 
    90214 return self._func(self._name, data) 
    90215 File
    90216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90217 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    90218 if v.display: 
    90219 File
    90220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90221 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    90222 return self._any_displayed_positions and len(self._positions) > 0 
    90223 TypeError: object of type 'NoneType' has no len() 
    90224  
    90225 During handling of the above exception, another exception occurred: 
    90226  
    90227 Traceback (most recent call last): 
    90228 File
    90229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90230 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    90231 if not self.draw_new_frame(): 
    90232 File
    90233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90234 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    90235 changed = view.check_for_drawing_change() 
    90236 File
    90237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90238 packages/chimerax/core/graphics/view.py", line 252, in
    90239 check_for_drawing_change 
    90240 trig.activate_trigger('graphics update', self) 
    90241 File
    90242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90243 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    90244 trigger.activate(data) 
    90245 File
    90246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90247 packages/chimerax/core/triggerset.py", line 190, in activate 
    90248 ret = handler.invoke(data, self._remove_bad_handlers) 
    90249 File
    90250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90251 packages/chimerax/core/triggerset.py", line 132, in invoke 
    90252 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    90253 File
    90254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90255 packages/chimerax/core/session.py", line 943, in <lambda> 
    90256 logger.report_exception(preface=preface)) 
    90257 File
    90258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90259 packages/chimerax/core/logger.py", line 421, in report_exception 
    90260 elif probably_chimera1_session(exc_info): 
    90261 File
    90262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90263 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90264 etype, evalue, etraceback = exc_info 
    90265 TypeError: cannot unpack non-iterable NoneType object 
    90266  
    90267 TypeError: cannot unpack non-iterable NoneType object 
    90268  
    90269 File
    90270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90271 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90272 etype, evalue, etraceback = exc_info 
    90273  
    90274 See log for complete Python traceback. 
    90275  
    90276 Traceback (most recent call last): 
    90277 File
    90278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90279 packages/chimerax/core/triggerset.py", line 130, in invoke 
    90280 return self._func(self._name, data) 
    90281 File
    90282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90283 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    90284 if v.display: 
    90285 File
    90286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90287 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    90288 return self._any_displayed_positions and len(self._positions) > 0 
    90289 TypeError: object of type 'NoneType' has no len() 
    90290  
    90291 During handling of the above exception, another exception occurred: 
    90292  
    90293 Traceback (most recent call last): 
    90294 File
    90295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90296 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    90297 if not self.draw_new_frame(): 
    90298 File
    90299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90300 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    90301 changed = view.check_for_drawing_change() 
    90302 File
    90303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90304 packages/chimerax/core/graphics/view.py", line 252, in
    90305 check_for_drawing_change 
    90306 trig.activate_trigger('graphics update', self) 
    90307 File
    90308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90309 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    90310 trigger.activate(data) 
    90311 File
    90312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90313 packages/chimerax/core/triggerset.py", line 190, in activate 
    90314 ret = handler.invoke(data, self._remove_bad_handlers) 
    90315 File
    90316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90317 packages/chimerax/core/triggerset.py", line 132, in invoke 
    90318 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    90319 File
    90320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90321 packages/chimerax/core/session.py", line 943, in <lambda> 
    90322 logger.report_exception(preface=preface)) 
    90323 File
    90324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90325 packages/chimerax/core/logger.py", line 421, in report_exception 
    90326 elif probably_chimera1_session(exc_info): 
    90327 File
    90328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90329 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90330 etype, evalue, etraceback = exc_info 
    90331 TypeError: cannot unpack non-iterable NoneType object 
    90332  
    90333 TypeError: cannot unpack non-iterable NoneType object 
    90334  
    90335 File
    90336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90337 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90338 etype, evalue, etraceback = exc_info 
    90339  
    90340 See log for complete Python traceback. 
    90341  
    90342 Traceback (most recent call last): 
    90343 File
    90344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90345 packages/chimerax/core/triggerset.py", line 130, in invoke 
    90346 return self._func(self._name, data) 
    90347 File
    90348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90349 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    90350 if v.display: 
    90351 File
    90352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90353 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    90354 return self._any_displayed_positions and len(self._positions) > 0 
    90355 TypeError: object of type 'NoneType' has no len() 
    90356  
    90357 During handling of the above exception, another exception occurred: 
    90358  
    90359 Traceback (most recent call last): 
    90360 File
    90361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90362 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    90363 if not self.draw_new_frame(): 
    90364 File
    90365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90366 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    90367 changed = view.check_for_drawing_change() 
    90368 File
    90369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90370 packages/chimerax/core/graphics/view.py", line 252, in
    90371 check_for_drawing_change 
    90372 trig.activate_trigger('graphics update', self) 
    90373 File
    90374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90375 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    90376 trigger.activate(data) 
    90377 File
    90378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90379 packages/chimerax/core/triggerset.py", line 190, in activate 
    90380 ret = handler.invoke(data, self._remove_bad_handlers) 
    90381 File
    90382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90383 packages/chimerax/core/triggerset.py", line 132, in invoke 
    90384 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    90385 File
    90386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90387 packages/chimerax/core/session.py", line 943, in <lambda> 
    90388 logger.report_exception(preface=preface)) 
    90389 File
    90390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90391 packages/chimerax/core/logger.py", line 421, in report_exception 
    90392 elif probably_chimera1_session(exc_info): 
    90393 File
    90394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90395 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90396 etype, evalue, etraceback = exc_info 
    90397 TypeError: cannot unpack non-iterable NoneType object 
    90398  
    90399 TypeError: cannot unpack non-iterable NoneType object 
    90400  
    90401 File
    90402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90403 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90404 etype, evalue, etraceback = exc_info 
    90405  
    90406 See log for complete Python traceback. 
    90407  
    90408 Traceback (most recent call last): 
    90409 File
    90410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90411 packages/chimerax/core/triggerset.py", line 130, in invoke 
    90412 return self._func(self._name, data) 
    90413 File
    90414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90415 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    90416 if v.display: 
    90417 File
    90418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90419 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    90420 return self._any_displayed_positions and len(self._positions) > 0 
    90421 TypeError: object of type 'NoneType' has no len() 
    90422  
    90423 During handling of the above exception, another exception occurred: 
    90424  
    90425 Traceback (most recent call last): 
    90426 File
    90427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90428 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    90429 if not self.draw_new_frame(): 
    90430 File
    90431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90432 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    90433 changed = view.check_for_drawing_change() 
    90434 File
    90435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90436 packages/chimerax/core/graphics/view.py", line 252, in
    90437 check_for_drawing_change 
    90438 trig.activate_trigger('graphics update', self) 
    90439 File
    90440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90441 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    90442 trigger.activate(data) 
    90443 File
    90444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90445 packages/chimerax/core/triggerset.py", line 190, in activate 
    90446 ret = handler.invoke(data, self._remove_bad_handlers) 
    90447 File
    90448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90449 packages/chimerax/core/triggerset.py", line 132, in invoke 
    90450 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    90451 File
    90452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90453 packages/chimerax/core/session.py", line 943, in <lambda> 
    90454 logger.report_exception(preface=preface)) 
    90455 File
    90456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90457 packages/chimerax/core/logger.py", line 421, in report_exception 
    90458 elif probably_chimera1_session(exc_info): 
    90459 File
    90460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90461 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90462 etype, evalue, etraceback = exc_info 
    90463 TypeError: cannot unpack non-iterable NoneType object 
    90464  
    90465 TypeError: cannot unpack non-iterable NoneType object 
    90466  
    90467 File
    90468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90469 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90470 etype, evalue, etraceback = exc_info 
    90471  
    90472 See log for complete Python traceback. 
    90473  
    90474 Traceback (most recent call last): 
    90475 File
    90476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90477 packages/chimerax/core/triggerset.py", line 130, in invoke 
    90478 return self._func(self._name, data) 
    90479 File
    90480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90481 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    90482 if v.display: 
    90483 File
    90484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90485 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    90486 return self._any_displayed_positions and len(self._positions) > 0 
    90487 TypeError: object of type 'NoneType' has no len() 
    90488  
    90489 During handling of the above exception, another exception occurred: 
    90490  
    90491 Traceback (most recent call last): 
    90492 File
    90493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90494 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    90495 if not self.draw_new_frame(): 
    90496 File
    90497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90498 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    90499 changed = view.check_for_drawing_change() 
    90500 File
    90501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90502 packages/chimerax/core/graphics/view.py", line 252, in
    90503 check_for_drawing_change 
    90504 trig.activate_trigger('graphics update', self) 
    90505 File
    90506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90507 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    90508 trigger.activate(data) 
    90509 File
    90510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90511 packages/chimerax/core/triggerset.py", line 190, in activate 
    90512 ret = handler.invoke(data, self._remove_bad_handlers) 
    90513 File
    90514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90515 packages/chimerax/core/triggerset.py", line 132, in invoke 
    90516 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    90517 File
    90518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90519 packages/chimerax/core/session.py", line 943, in <lambda> 
    90520 logger.report_exception(preface=preface)) 
    90521 File
    90522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90523 packages/chimerax/core/logger.py", line 421, in report_exception 
    90524 elif probably_chimera1_session(exc_info): 
    90525 File
    90526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90527 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90528 etype, evalue, etraceback = exc_info 
    90529 TypeError: cannot unpack non-iterable NoneType object 
    90530  
    90531 TypeError: cannot unpack non-iterable NoneType object 
    90532  
    90533 File
    90534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90535 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90536 etype, evalue, etraceback = exc_info 
    90537  
    90538 See log for complete Python traceback. 
    90539  
    90540 Traceback (most recent call last): 
    90541 File
    90542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90543 packages/chimerax/core/triggerset.py", line 130, in invoke 
    90544 return self._func(self._name, data) 
    90545 File
    90546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90547 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    90548 if v.display: 
    90549 File
    90550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90551 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    90552 return self._any_displayed_positions and len(self._positions) > 0 
    90553 TypeError: object of type 'NoneType' has no len() 
    90554  
    90555 During handling of the above exception, another exception occurred: 
    90556  
    90557 Traceback (most recent call last): 
    90558 File
    90559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90560 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    90561 if not self.draw_new_frame(): 
    90562 File
    90563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90564 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    90565 changed = view.check_for_drawing_change() 
    90566 File
    90567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90568 packages/chimerax/core/graphics/view.py", line 252, in
    90569 check_for_drawing_change 
    90570 trig.activate_trigger('graphics update', self) 
    90571 File
    90572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90573 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    90574 trigger.activate(data) 
    90575 File
    90576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90577 packages/chimerax/core/triggerset.py", line 190, in activate 
    90578 ret = handler.invoke(data, self._remove_bad_handlers) 
    90579 File
    90580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90581 packages/chimerax/core/triggerset.py", line 132, in invoke 
    90582 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    90583 File
    90584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90585 packages/chimerax/core/session.py", line 943, in <lambda> 
    90586 logger.report_exception(preface=preface)) 
    90587 File
    90588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90589 packages/chimerax/core/logger.py", line 421, in report_exception 
    90590 elif probably_chimera1_session(exc_info): 
    90591 File
    90592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90593 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90594 etype, evalue, etraceback = exc_info 
    90595 TypeError: cannot unpack non-iterable NoneType object 
    90596  
    90597 TypeError: cannot unpack non-iterable NoneType object 
    90598  
    90599 File
    90600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90601 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90602 etype, evalue, etraceback = exc_info 
    90603  
    90604 See log for complete Python traceback. 
    90605  
    90606 Traceback (most recent call last): 
    90607 File
    90608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90609 packages/chimerax/core/triggerset.py", line 130, in invoke 
    90610 return self._func(self._name, data) 
    90611 File
    90612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90613 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    90614 if v.display: 
    90615 File
    90616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90617 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    90618 return self._any_displayed_positions and len(self._positions) > 0 
    90619 TypeError: object of type 'NoneType' has no len() 
    90620  
    90621 During handling of the above exception, another exception occurred: 
    90622  
    90623 Traceback (most recent call last): 
    90624 File
    90625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90626 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    90627 if not self.draw_new_frame(): 
    90628 File
    90629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90630 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    90631 changed = view.check_for_drawing_change() 
    90632 File
    90633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90634 packages/chimerax/core/graphics/view.py", line 252, in
    90635 check_for_drawing_change 
    90636 trig.activate_trigger('graphics update', self) 
    90637 File
    90638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90639 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    90640 trigger.activate(data) 
    90641 File
    90642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90643 packages/chimerax/core/triggerset.py", line 190, in activate 
    90644 ret = handler.invoke(data, self._remove_bad_handlers) 
    90645 File
    90646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90647 packages/chimerax/core/triggerset.py", line 132, in invoke 
    90648 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    90649 File
    90650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90651 packages/chimerax/core/session.py", line 943, in <lambda> 
    90652 logger.report_exception(preface=preface)) 
    90653 File
    90654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90655 packages/chimerax/core/logger.py", line 421, in report_exception 
    90656 elif probably_chimera1_session(exc_info): 
    90657 File
    90658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90659 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90660 etype, evalue, etraceback = exc_info 
    90661 TypeError: cannot unpack non-iterable NoneType object 
    90662  
    90663 TypeError: cannot unpack non-iterable NoneType object 
    90664  
    90665 File
    90666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90667 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90668 etype, evalue, etraceback = exc_info 
    90669  
    90670 See log for complete Python traceback. 
    90671  
    90672 Traceback (most recent call last): 
    90673 File
    90674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90675 packages/chimerax/core/triggerset.py", line 130, in invoke 
    90676 return self._func(self._name, data) 
    90677 File
    90678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90679 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    90680 if v.display: 
    90681 File
    90682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90683 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    90684 return self._any_displayed_positions and len(self._positions) > 0 
    90685 TypeError: object of type 'NoneType' has no len() 
    90686  
    90687 During handling of the above exception, another exception occurred: 
    90688  
    90689 Traceback (most recent call last): 
    90690 File
    90691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90692 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    90693 if not self.draw_new_frame(): 
    90694 File
    90695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90696 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    90697 changed = view.check_for_drawing_change() 
    90698 File
    90699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90700 packages/chimerax/core/graphics/view.py", line 252, in
    90701 check_for_drawing_change 
    90702 trig.activate_trigger('graphics update', self) 
    90703 File
    90704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90705 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    90706 trigger.activate(data) 
    90707 File
    90708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90709 packages/chimerax/core/triggerset.py", line 190, in activate 
    90710 ret = handler.invoke(data, self._remove_bad_handlers) 
    90711 File
    90712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90713 packages/chimerax/core/triggerset.py", line 132, in invoke 
    90714 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    90715 File
    90716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90717 packages/chimerax/core/session.py", line 943, in <lambda> 
    90718 logger.report_exception(preface=preface)) 
    90719 File
    90720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90721 packages/chimerax/core/logger.py", line 421, in report_exception 
    90722 elif probably_chimera1_session(exc_info): 
    90723 File
    90724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90725 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90726 etype, evalue, etraceback = exc_info 
    90727 TypeError: cannot unpack non-iterable NoneType object 
    90728  
    90729 TypeError: cannot unpack non-iterable NoneType object 
    90730  
    90731 File
    90732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90733 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90734 etype, evalue, etraceback = exc_info 
    90735  
    90736 See log for complete Python traceback. 
    90737  
    90738 Traceback (most recent call last): 
    90739 File
    90740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90741 packages/chimerax/core/triggerset.py", line 130, in invoke 
    90742 return self._func(self._name, data) 
    90743 File
    90744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90745 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    90746 if v.display: 
    90747 File
    90748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90749 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    90750 return self._any_displayed_positions and len(self._positions) > 0 
    90751 TypeError: object of type 'NoneType' has no len() 
    90752  
    90753 During handling of the above exception, another exception occurred: 
    90754  
    90755 Traceback (most recent call last): 
    90756 File
    90757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90758 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    90759 if not self.draw_new_frame(): 
    90760 File
    90761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90762 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    90763 changed = view.check_for_drawing_change() 
    90764 File
    90765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90766 packages/chimerax/core/graphics/view.py", line 252, in
    90767 check_for_drawing_change 
    90768 trig.activate_trigger('graphics update', self) 
    90769 File
    90770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90771 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    90772 trigger.activate(data) 
    90773 File
    90774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90775 packages/chimerax/core/triggerset.py", line 190, in activate 
    90776 ret = handler.invoke(data, self._remove_bad_handlers) 
    90777 File
    90778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90779 packages/chimerax/core/triggerset.py", line 132, in invoke 
    90780 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    90781 File
    90782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90783 packages/chimerax/core/session.py", line 943, in <lambda> 
    90784 logger.report_exception(preface=preface)) 
    90785 File
    90786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90787 packages/chimerax/core/logger.py", line 421, in report_exception 
    90788 elif probably_chimera1_session(exc_info): 
    90789 File
    90790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90791 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90792 etype, evalue, etraceback = exc_info 
    90793 TypeError: cannot unpack non-iterable NoneType object 
    90794  
    90795 TypeError: cannot unpack non-iterable NoneType object 
    90796  
    90797 File
    90798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90799 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90800 etype, evalue, etraceback = exc_info 
    90801  
    90802 See log for complete Python traceback. 
    90803  
    90804 Traceback (most recent call last): 
    90805 File
    90806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90807 packages/chimerax/core/triggerset.py", line 130, in invoke 
    90808 return self._func(self._name, data) 
    90809 File
    90810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90811 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    90812 if v.display: 
    90813 File
    90814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90815 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    90816 return self._any_displayed_positions and len(self._positions) > 0 
    90817 TypeError: object of type 'NoneType' has no len() 
    90818  
    90819 During handling of the above exception, another exception occurred: 
    90820  
    90821 Traceback (most recent call last): 
    90822 File
    90823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90824 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    90825 if not self.draw_new_frame(): 
    90826 File
    90827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90828 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    90829 changed = view.check_for_drawing_change() 
    90830 File
    90831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90832 packages/chimerax/core/graphics/view.py", line 252, in
    90833 check_for_drawing_change 
    90834 trig.activate_trigger('graphics update', self) 
    90835 File
    90836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90837 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    90838 trigger.activate(data) 
    90839 File
    90840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90841 packages/chimerax/core/triggerset.py", line 190, in activate 
    90842 ret = handler.invoke(data, self._remove_bad_handlers) 
    90843 File
    90844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90845 packages/chimerax/core/triggerset.py", line 132, in invoke 
    90846 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    90847 File
    90848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90849 packages/chimerax/core/session.py", line 943, in <lambda> 
    90850 logger.report_exception(preface=preface)) 
    90851 File
    90852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90853 packages/chimerax/core/logger.py", line 421, in report_exception 
    90854 elif probably_chimera1_session(exc_info): 
    90855 File
    90856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90857 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90858 etype, evalue, etraceback = exc_info 
    90859 TypeError: cannot unpack non-iterable NoneType object 
    90860  
    90861 TypeError: cannot unpack non-iterable NoneType object 
    90862  
    90863 File
    90864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90865 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90866 etype, evalue, etraceback = exc_info 
    90867  
    90868 See log for complete Python traceback. 
    90869  
    90870 Traceback (most recent call last): 
    90871 File
    90872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90873 packages/chimerax/core/triggerset.py", line 130, in invoke 
    90874 return self._func(self._name, data) 
    90875 File
    90876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90877 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    90878 if v.display: 
    90879 File
    90880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90881 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    90882 return self._any_displayed_positions and len(self._positions) > 0 
    90883 TypeError: object of type 'NoneType' has no len() 
    90884  
    90885 During handling of the above exception, another exception occurred: 
    90886  
    90887 Traceback (most recent call last): 
    90888 File
    90889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90890 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    90891 if not self.draw_new_frame(): 
    90892 File
    90893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90894 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    90895 changed = view.check_for_drawing_change() 
    90896 File
    90897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90898 packages/chimerax/core/graphics/view.py", line 252, in
    90899 check_for_drawing_change 
    90900 trig.activate_trigger('graphics update', self) 
    90901 File
    90902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90903 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    90904 trigger.activate(data) 
    90905 File
    90906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90907 packages/chimerax/core/triggerset.py", line 190, in activate 
    90908 ret = handler.invoke(data, self._remove_bad_handlers) 
    90909 File
    90910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90911 packages/chimerax/core/triggerset.py", line 132, in invoke 
    90912 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    90913 File
    90914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90915 packages/chimerax/core/session.py", line 943, in <lambda> 
    90916 logger.report_exception(preface=preface)) 
    90917 File
    90918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90919 packages/chimerax/core/logger.py", line 421, in report_exception 
    90920 elif probably_chimera1_session(exc_info): 
    90921 File
    90922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90923 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90924 etype, evalue, etraceback = exc_info 
    90925 TypeError: cannot unpack non-iterable NoneType object 
    90926  
    90927 TypeError: cannot unpack non-iterable NoneType object 
    90928  
    90929 File
    90930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90931 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90932 etype, evalue, etraceback = exc_info 
    90933  
    90934 See log for complete Python traceback. 
    90935  
    90936 Traceback (most recent call last): 
    90937 File
    90938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90939 packages/chimerax/core/triggerset.py", line 130, in invoke 
    90940 return self._func(self._name, data) 
    90941 File
    90942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90943 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    90944 if v.display: 
    90945 File
    90946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90947 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    90948 return self._any_displayed_positions and len(self._positions) > 0 
    90949 TypeError: object of type 'NoneType' has no len() 
    90950  
    90951 During handling of the above exception, another exception occurred: 
    90952  
    90953 Traceback (most recent call last): 
    90954 File
    90955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90956 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    90957 if not self.draw_new_frame(): 
    90958 File
    90959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90960 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    90961 changed = view.check_for_drawing_change() 
    90962 File
    90963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90964 packages/chimerax/core/graphics/view.py", line 252, in
    90965 check_for_drawing_change 
    90966 trig.activate_trigger('graphics update', self) 
    90967 File
    90968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90969 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    90970 trigger.activate(data) 
    90971 File
    90972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90973 packages/chimerax/core/triggerset.py", line 190, in activate 
    90974 ret = handler.invoke(data, self._remove_bad_handlers) 
    90975 File
    90976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90977 packages/chimerax/core/triggerset.py", line 132, in invoke 
    90978 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    90979 File
    90980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90981 packages/chimerax/core/session.py", line 943, in <lambda> 
    90982 logger.report_exception(preface=preface)) 
    90983 File
    90984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90985 packages/chimerax/core/logger.py", line 421, in report_exception 
    90986 elif probably_chimera1_session(exc_info): 
    90987 File
    90988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90989 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90990 etype, evalue, etraceback = exc_info 
    90991 TypeError: cannot unpack non-iterable NoneType object 
    90992  
    90993 TypeError: cannot unpack non-iterable NoneType object 
    90994  
    90995 File
    90996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    90997 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    90998 etype, evalue, etraceback = exc_info 
    90999  
    91000 See log for complete Python traceback. 
    91001  
    91002 Traceback (most recent call last): 
    91003 File
    91004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91005 packages/chimerax/core/triggerset.py", line 130, in invoke 
    91006 return self._func(self._name, data) 
    91007 File
    91008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91009 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    91010 if v.display: 
    91011 File
    91012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91013 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    91014 return self._any_displayed_positions and len(self._positions) > 0 
    91015 TypeError: object of type 'NoneType' has no len() 
    91016  
    91017 During handling of the above exception, another exception occurred: 
    91018  
    91019 Traceback (most recent call last): 
    91020 File
    91021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91022 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    91023 if not self.draw_new_frame(): 
    91024 File
    91025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91026 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    91027 changed = view.check_for_drawing_change() 
    91028 File
    91029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91030 packages/chimerax/core/graphics/view.py", line 252, in
    91031 check_for_drawing_change 
    91032 trig.activate_trigger('graphics update', self) 
    91033 File
    91034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91035 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    91036 trigger.activate(data) 
    91037 File
    91038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91039 packages/chimerax/core/triggerset.py", line 190, in activate 
    91040 ret = handler.invoke(data, self._remove_bad_handlers) 
    91041 File
    91042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91043 packages/chimerax/core/triggerset.py", line 132, in invoke 
    91044 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    91045 File
    91046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91047 packages/chimerax/core/session.py", line 943, in <lambda> 
    91048 logger.report_exception(preface=preface)) 
    91049 File
    91050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91051 packages/chimerax/core/logger.py", line 421, in report_exception 
    91052 elif probably_chimera1_session(exc_info): 
    91053 File
    91054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91055 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91056 etype, evalue, etraceback = exc_info 
    91057 TypeError: cannot unpack non-iterable NoneType object 
    91058  
    91059 TypeError: cannot unpack non-iterable NoneType object 
    91060  
    91061 File
    91062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91063 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91064 etype, evalue, etraceback = exc_info 
    91065  
    91066 See log for complete Python traceback. 
    91067  
    91068 Traceback (most recent call last): 
    91069 File
    91070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91071 packages/chimerax/core/triggerset.py", line 130, in invoke 
    91072 return self._func(self._name, data) 
    91073 File
    91074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91075 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    91076 if v.display: 
    91077 File
    91078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91079 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    91080 return self._any_displayed_positions and len(self._positions) > 0 
    91081 TypeError: object of type 'NoneType' has no len() 
    91082  
    91083 During handling of the above exception, another exception occurred: 
    91084  
    91085 Traceback (most recent call last): 
    91086 File
    91087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91088 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    91089 if not self.draw_new_frame(): 
    91090 File
    91091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91092 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    91093 changed = view.check_for_drawing_change() 
    91094 File
    91095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91096 packages/chimerax/core/graphics/view.py", line 252, in
    91097 check_for_drawing_change 
    91098 trig.activate_trigger('graphics update', self) 
    91099 File
    91100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91101 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    91102 trigger.activate(data) 
    91103 File
    91104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91105 packages/chimerax/core/triggerset.py", line 190, in activate 
    91106 ret = handler.invoke(data, self._remove_bad_handlers) 
    91107 File
    91108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91109 packages/chimerax/core/triggerset.py", line 132, in invoke 
    91110 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    91111 File
    91112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91113 packages/chimerax/core/session.py", line 943, in <lambda> 
    91114 logger.report_exception(preface=preface)) 
    91115 File
    91116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91117 packages/chimerax/core/logger.py", line 421, in report_exception 
    91118 elif probably_chimera1_session(exc_info): 
    91119 File
    91120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91121 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91122 etype, evalue, etraceback = exc_info 
    91123 TypeError: cannot unpack non-iterable NoneType object 
    91124  
    91125 TypeError: cannot unpack non-iterable NoneType object 
    91126  
    91127 File
    91128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91129 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91130 etype, evalue, etraceback = exc_info 
    91131  
    91132 See log for complete Python traceback. 
    91133  
    91134 Traceback (most recent call last): 
    91135 File
    91136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91137 packages/chimerax/core/triggerset.py", line 130, in invoke 
    91138 return self._func(self._name, data) 
    91139 File
    91140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91141 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    91142 if v.display: 
    91143 File
    91144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91145 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    91146 return self._any_displayed_positions and len(self._positions) > 0 
    91147 TypeError: object of type 'NoneType' has no len() 
    91148  
    91149 During handling of the above exception, another exception occurred: 
    91150  
    91151 Traceback (most recent call last): 
    91152 File
    91153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91154 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    91155 if not self.draw_new_frame(): 
    91156 File
    91157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91158 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    91159 changed = view.check_for_drawing_change() 
    91160 File
    91161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91162 packages/chimerax/core/graphics/view.py", line 252, in
    91163 check_for_drawing_change 
    91164 trig.activate_trigger('graphics update', self) 
    91165 File
    91166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91167 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    91168 trigger.activate(data) 
    91169 File
    91170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91171 packages/chimerax/core/triggerset.py", line 190, in activate 
    91172 ret = handler.invoke(data, self._remove_bad_handlers) 
    91173 File
    91174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91175 packages/chimerax/core/triggerset.py", line 132, in invoke 
    91176 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    91177 File
    91178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91179 packages/chimerax/core/session.py", line 943, in <lambda> 
    91180 logger.report_exception(preface=preface)) 
    91181 File
    91182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91183 packages/chimerax/core/logger.py", line 421, in report_exception 
    91184 elif probably_chimera1_session(exc_info): 
    91185 File
    91186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91187 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91188 etype, evalue, etraceback = exc_info 
    91189 TypeError: cannot unpack non-iterable NoneType object 
    91190  
    91191 TypeError: cannot unpack non-iterable NoneType object 
    91192  
    91193 File
    91194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91195 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91196 etype, evalue, etraceback = exc_info 
    91197  
    91198 See log for complete Python traceback. 
    91199  
    91200 Traceback (most recent call last): 
    91201 File
    91202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91203 packages/chimerax/core/triggerset.py", line 130, in invoke 
    91204 return self._func(self._name, data) 
    91205 File
    91206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91207 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    91208 if v.display: 
    91209 File
    91210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91211 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    91212 return self._any_displayed_positions and len(self._positions) > 0 
    91213 TypeError: object of type 'NoneType' has no len() 
    91214  
    91215 During handling of the above exception, another exception occurred: 
    91216  
    91217 Traceback (most recent call last): 
    91218 File
    91219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91220 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    91221 if not self.draw_new_frame(): 
    91222 File
    91223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91224 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    91225 changed = view.check_for_drawing_change() 
    91226 File
    91227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91228 packages/chimerax/core/graphics/view.py", line 252, in
    91229 check_for_drawing_change 
    91230 trig.activate_trigger('graphics update', self) 
    91231 File
    91232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91233 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    91234 trigger.activate(data) 
    91235 File
    91236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91237 packages/chimerax/core/triggerset.py", line 190, in activate 
    91238 ret = handler.invoke(data, self._remove_bad_handlers) 
    91239 File
    91240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91241 packages/chimerax/core/triggerset.py", line 132, in invoke 
    91242 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    91243 File
    91244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91245 packages/chimerax/core/session.py", line 943, in <lambda> 
    91246 logger.report_exception(preface=preface)) 
    91247 File
    91248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91249 packages/chimerax/core/logger.py", line 421, in report_exception 
    91250 elif probably_chimera1_session(exc_info): 
    91251 File
    91252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91253 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91254 etype, evalue, etraceback = exc_info 
    91255 TypeError: cannot unpack non-iterable NoneType object 
    91256  
    91257 TypeError: cannot unpack non-iterable NoneType object 
    91258  
    91259 File
    91260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91261 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91262 etype, evalue, etraceback = exc_info 
    91263  
    91264 See log for complete Python traceback. 
    91265  
    91266 Traceback (most recent call last): 
    91267 File
    91268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91269 packages/chimerax/core/triggerset.py", line 130, in invoke 
    91270 return self._func(self._name, data) 
    91271 File
    91272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91273 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    91274 if v.display: 
    91275 File
    91276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91277 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    91278 return self._any_displayed_positions and len(self._positions) > 0 
    91279 TypeError: object of type 'NoneType' has no len() 
    91280  
    91281 During handling of the above exception, another exception occurred: 
    91282  
    91283 Traceback (most recent call last): 
    91284 File
    91285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91286 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    91287 if not self.draw_new_frame(): 
    91288 File
    91289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91290 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    91291 changed = view.check_for_drawing_change() 
    91292 File
    91293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91294 packages/chimerax/core/graphics/view.py", line 252, in
    91295 check_for_drawing_change 
    91296 trig.activate_trigger('graphics update', self) 
    91297 File
    91298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91299 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    91300 trigger.activate(data) 
    91301 File
    91302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91303 packages/chimerax/core/triggerset.py", line 190, in activate 
    91304 ret = handler.invoke(data, self._remove_bad_handlers) 
    91305 File
    91306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91307 packages/chimerax/core/triggerset.py", line 132, in invoke 
    91308 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    91309 File
    91310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91311 packages/chimerax/core/session.py", line 943, in <lambda> 
    91312 logger.report_exception(preface=preface)) 
    91313 File
    91314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91315 packages/chimerax/core/logger.py", line 421, in report_exception 
    91316 elif probably_chimera1_session(exc_info): 
    91317 File
    91318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91319 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91320 etype, evalue, etraceback = exc_info 
    91321 TypeError: cannot unpack non-iterable NoneType object 
    91322  
    91323 TypeError: cannot unpack non-iterable NoneType object 
    91324  
    91325 File
    91326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91327 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91328 etype, evalue, etraceback = exc_info 
    91329  
    91330 See log for complete Python traceback. 
    91331  
    91332 Traceback (most recent call last): 
    91333 File
    91334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91335 packages/chimerax/core/triggerset.py", line 130, in invoke 
    91336 return self._func(self._name, data) 
    91337 File
    91338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91339 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    91340 if v.display: 
    91341 File
    91342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91343 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    91344 return self._any_displayed_positions and len(self._positions) > 0 
    91345 TypeError: object of type 'NoneType' has no len() 
    91346  
    91347 During handling of the above exception, another exception occurred: 
    91348  
    91349 Traceback (most recent call last): 
    91350 File
    91351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91352 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    91353 if not self.draw_new_frame(): 
    91354 File
    91355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91356 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    91357 changed = view.check_for_drawing_change() 
    91358 File
    91359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91360 packages/chimerax/core/graphics/view.py", line 252, in
    91361 check_for_drawing_change 
    91362 trig.activate_trigger('graphics update', self) 
    91363 File
    91364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91365 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    91366 trigger.activate(data) 
    91367 File
    91368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91369 packages/chimerax/core/triggerset.py", line 190, in activate 
    91370 ret = handler.invoke(data, self._remove_bad_handlers) 
    91371 File
    91372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91373 packages/chimerax/core/triggerset.py", line 132, in invoke 
    91374 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    91375 File
    91376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91377 packages/chimerax/core/session.py", line 943, in <lambda> 
    91378 logger.report_exception(preface=preface)) 
    91379 File
    91380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91381 packages/chimerax/core/logger.py", line 421, in report_exception 
    91382 elif probably_chimera1_session(exc_info): 
    91383 File
    91384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91385 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91386 etype, evalue, etraceback = exc_info 
    91387 TypeError: cannot unpack non-iterable NoneType object 
    91388  
    91389 TypeError: cannot unpack non-iterable NoneType object 
    91390  
    91391 File
    91392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91393 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91394 etype, evalue, etraceback = exc_info 
    91395  
    91396 See log for complete Python traceback. 
    91397  
    91398 Traceback (most recent call last): 
    91399 File
    91400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91401 packages/chimerax/core/triggerset.py", line 130, in invoke 
    91402 return self._func(self._name, data) 
    91403 File
    91404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91405 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    91406 if v.display: 
    91407 File
    91408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91409 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    91410 return self._any_displayed_positions and len(self._positions) > 0 
    91411 TypeError: object of type 'NoneType' has no len() 
    91412  
    91413 During handling of the above exception, another exception occurred: 
    91414  
    91415 Traceback (most recent call last): 
    91416 File
    91417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91418 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    91419 if not self.draw_new_frame(): 
    91420 File
    91421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91422 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    91423 changed = view.check_for_drawing_change() 
    91424 File
    91425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91426 packages/chimerax/core/graphics/view.py", line 252, in
    91427 check_for_drawing_change 
    91428 trig.activate_trigger('graphics update', self) 
    91429 File
    91430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91431 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    91432 trigger.activate(data) 
    91433 File
    91434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91435 packages/chimerax/core/triggerset.py", line 190, in activate 
    91436 ret = handler.invoke(data, self._remove_bad_handlers) 
    91437 File
    91438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91439 packages/chimerax/core/triggerset.py", line 132, in invoke 
    91440 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    91441 File
    91442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91443 packages/chimerax/core/session.py", line 943, in <lambda> 
    91444 logger.report_exception(preface=preface)) 
    91445 File
    91446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91447 packages/chimerax/core/logger.py", line 421, in report_exception 
    91448 elif probably_chimera1_session(exc_info): 
    91449 File
    91450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91451 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91452 etype, evalue, etraceback = exc_info 
    91453 TypeError: cannot unpack non-iterable NoneType object 
    91454  
    91455 TypeError: cannot unpack non-iterable NoneType object 
    91456  
    91457 File
    91458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91459 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91460 etype, evalue, etraceback = exc_info 
    91461  
    91462 See log for complete Python traceback. 
    91463  
    91464 Traceback (most recent call last): 
    91465 File
    91466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91467 packages/chimerax/core/triggerset.py", line 130, in invoke 
    91468 return self._func(self._name, data) 
    91469 File
    91470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91471 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    91472 if v.display: 
    91473 File
    91474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91475 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    91476 return self._any_displayed_positions and len(self._positions) > 0 
    91477 TypeError: object of type 'NoneType' has no len() 
    91478  
    91479 During handling of the above exception, another exception occurred: 
    91480  
    91481 Traceback (most recent call last): 
    91482 File
    91483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91484 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    91485 if not self.draw_new_frame(): 
    91486 File
    91487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91488 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    91489 changed = view.check_for_drawing_change() 
    91490 File
    91491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91492 packages/chimerax/core/graphics/view.py", line 252, in
    91493 check_for_drawing_change 
    91494 trig.activate_trigger('graphics update', self) 
    91495 File
    91496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91497 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    91498 trigger.activate(data) 
    91499 File
    91500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91501 packages/chimerax/core/triggerset.py", line 190, in activate 
    91502 ret = handler.invoke(data, self._remove_bad_handlers) 
    91503 File
    91504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91505 packages/chimerax/core/triggerset.py", line 132, in invoke 
    91506 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    91507 File
    91508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91509 packages/chimerax/core/session.py", line 943, in <lambda> 
    91510 logger.report_exception(preface=preface)) 
    91511 File
    91512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91513 packages/chimerax/core/logger.py", line 421, in report_exception 
    91514 elif probably_chimera1_session(exc_info): 
    91515 File
    91516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91517 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91518 etype, evalue, etraceback = exc_info 
    91519 TypeError: cannot unpack non-iterable NoneType object 
    91520  
    91521 TypeError: cannot unpack non-iterable NoneType object 
    91522  
    91523 File
    91524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91525 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91526 etype, evalue, etraceback = exc_info 
    91527  
    91528 See log for complete Python traceback. 
    91529  
    91530 Traceback (most recent call last): 
    91531 File
    91532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91533 packages/chimerax/core/triggerset.py", line 130, in invoke 
    91534 return self._func(self._name, data) 
    91535 File
    91536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91537 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    91538 if v.display: 
    91539 File
    91540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91541 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    91542 return self._any_displayed_positions and len(self._positions) > 0 
    91543 TypeError: object of type 'NoneType' has no len() 
    91544  
    91545 During handling of the above exception, another exception occurred: 
    91546  
    91547 Traceback (most recent call last): 
    91548 File
    91549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91550 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    91551 if not self.draw_new_frame(): 
    91552 File
    91553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91554 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    91555 changed = view.check_for_drawing_change() 
    91556 File
    91557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91558 packages/chimerax/core/graphics/view.py", line 252, in
    91559 check_for_drawing_change 
    91560 trig.activate_trigger('graphics update', self) 
    91561 File
    91562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91563 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    91564 trigger.activate(data) 
    91565 File
    91566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91567 packages/chimerax/core/triggerset.py", line 190, in activate 
    91568 ret = handler.invoke(data, self._remove_bad_handlers) 
    91569 File
    91570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91571 packages/chimerax/core/triggerset.py", line 132, in invoke 
    91572 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    91573 File
    91574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91575 packages/chimerax/core/session.py", line 943, in <lambda> 
    91576 logger.report_exception(preface=preface)) 
    91577 File
    91578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91579 packages/chimerax/core/logger.py", line 421, in report_exception 
    91580 elif probably_chimera1_session(exc_info): 
    91581 File
    91582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91583 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91584 etype, evalue, etraceback = exc_info 
    91585 TypeError: cannot unpack non-iterable NoneType object 
    91586  
    91587 TypeError: cannot unpack non-iterable NoneType object 
    91588  
    91589 File
    91590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91591 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91592 etype, evalue, etraceback = exc_info 
    91593  
    91594 See log for complete Python traceback. 
    91595  
    91596 Traceback (most recent call last): 
    91597 File
    91598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91599 packages/chimerax/core/triggerset.py", line 130, in invoke 
    91600 return self._func(self._name, data) 
    91601 File
    91602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91603 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    91604 if v.display: 
    91605 File
    91606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91607 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    91608 return self._any_displayed_positions and len(self._positions) > 0 
    91609 TypeError: object of type 'NoneType' has no len() 
    91610  
    91611 During handling of the above exception, another exception occurred: 
    91612  
    91613 Traceback (most recent call last): 
    91614 File
    91615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91616 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    91617 if not self.draw_new_frame(): 
    91618 File
    91619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91620 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    91621 changed = view.check_for_drawing_change() 
    91622 File
    91623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91624 packages/chimerax/core/graphics/view.py", line 252, in
    91625 check_for_drawing_change 
    91626 trig.activate_trigger('graphics update', self) 
    91627 File
    91628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91629 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    91630 trigger.activate(data) 
    91631 File
    91632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91633 packages/chimerax/core/triggerset.py", line 190, in activate 
    91634 ret = handler.invoke(data, self._remove_bad_handlers) 
    91635 File
    91636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91637 packages/chimerax/core/triggerset.py", line 132, in invoke 
    91638 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    91639 File
    91640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91641 packages/chimerax/core/session.py", line 943, in <lambda> 
    91642 logger.report_exception(preface=preface)) 
    91643 File
    91644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91645 packages/chimerax/core/logger.py", line 421, in report_exception 
    91646 elif probably_chimera1_session(exc_info): 
    91647 File
    91648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91649 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91650 etype, evalue, etraceback = exc_info 
    91651 TypeError: cannot unpack non-iterable NoneType object 
    91652  
    91653 TypeError: cannot unpack non-iterable NoneType object 
    91654  
    91655 File
    91656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91657 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91658 etype, evalue, etraceback = exc_info 
    91659  
    91660 See log for complete Python traceback. 
    91661  
    91662 Traceback (most recent call last): 
    91663 File
    91664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91665 packages/chimerax/core/triggerset.py", line 130, in invoke 
    91666 return self._func(self._name, data) 
    91667 File
    91668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91669 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    91670 if v.display: 
    91671 File
    91672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91673 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    91674 return self._any_displayed_positions and len(self._positions) > 0 
    91675 TypeError: object of type 'NoneType' has no len() 
    91676  
    91677 During handling of the above exception, another exception occurred: 
    91678  
    91679 Traceback (most recent call last): 
    91680 File
    91681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91682 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    91683 if not self.draw_new_frame(): 
    91684 File
    91685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91686 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    91687 changed = view.check_for_drawing_change() 
    91688 File
    91689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91690 packages/chimerax/core/graphics/view.py", line 252, in
    91691 check_for_drawing_change 
    91692 trig.activate_trigger('graphics update', self) 
    91693 File
    91694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91695 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    91696 trigger.activate(data) 
    91697 File
    91698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91699 packages/chimerax/core/triggerset.py", line 190, in activate 
    91700 ret = handler.invoke(data, self._remove_bad_handlers) 
    91701 File
    91702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91703 packages/chimerax/core/triggerset.py", line 132, in invoke 
    91704 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    91705 File
    91706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91707 packages/chimerax/core/session.py", line 943, in <lambda> 
    91708 logger.report_exception(preface=preface)) 
    91709 File
    91710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91711 packages/chimerax/core/logger.py", line 421, in report_exception 
    91712 elif probably_chimera1_session(exc_info): 
    91713 File
    91714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91715 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91716 etype, evalue, etraceback = exc_info 
    91717 TypeError: cannot unpack non-iterable NoneType object 
    91718  
    91719 TypeError: cannot unpack non-iterable NoneType object 
    91720  
    91721 File
    91722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91723 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91724 etype, evalue, etraceback = exc_info 
    91725  
    91726 See log for complete Python traceback. 
    91727  
    91728 Traceback (most recent call last): 
    91729 File
    91730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91731 packages/chimerax/core/triggerset.py", line 130, in invoke 
    91732 return self._func(self._name, data) 
    91733 File
    91734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91735 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    91736 if v.display: 
    91737 File
    91738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91739 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    91740 return self._any_displayed_positions and len(self._positions) > 0 
    91741 TypeError: object of type 'NoneType' has no len() 
    91742  
    91743 During handling of the above exception, another exception occurred: 
    91744  
    91745 Traceback (most recent call last): 
    91746 File
    91747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91748 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    91749 if not self.draw_new_frame(): 
    91750 File
    91751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91752 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    91753 changed = view.check_for_drawing_change() 
    91754 File
    91755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91756 packages/chimerax/core/graphics/view.py", line 252, in
    91757 check_for_drawing_change 
    91758 trig.activate_trigger('graphics update', self) 
    91759 File
    91760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91761 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    91762 trigger.activate(data) 
    91763 File
    91764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91765 packages/chimerax/core/triggerset.py", line 190, in activate 
    91766 ret = handler.invoke(data, self._remove_bad_handlers) 
    91767 File
    91768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91769 packages/chimerax/core/triggerset.py", line 132, in invoke 
    91770 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    91771 File
    91772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91773 packages/chimerax/core/session.py", line 943, in <lambda> 
    91774 logger.report_exception(preface=preface)) 
    91775 File
    91776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91777 packages/chimerax/core/logger.py", line 421, in report_exception 
    91778 elif probably_chimera1_session(exc_info): 
    91779 File
    91780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91781 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91782 etype, evalue, etraceback = exc_info 
    91783 TypeError: cannot unpack non-iterable NoneType object 
    91784  
    91785 TypeError: cannot unpack non-iterable NoneType object 
    91786  
    91787 File
    91788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91789 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91790 etype, evalue, etraceback = exc_info 
    91791  
    91792 See log for complete Python traceback. 
    91793  
    91794 Traceback (most recent call last): 
    91795 File
    91796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91797 packages/chimerax/core/triggerset.py", line 130, in invoke 
    91798 return self._func(self._name, data) 
    91799 File
    91800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91801 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    91802 if v.display: 
    91803 File
    91804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91805 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    91806 return self._any_displayed_positions and len(self._positions) > 0 
    91807 TypeError: object of type 'NoneType' has no len() 
    91808  
    91809 During handling of the above exception, another exception occurred: 
    91810  
    91811 Traceback (most recent call last): 
    91812 File
    91813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91814 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    91815 if not self.draw_new_frame(): 
    91816 File
    91817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91818 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    91819 changed = view.check_for_drawing_change() 
    91820 File
    91821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91822 packages/chimerax/core/graphics/view.py", line 252, in
    91823 check_for_drawing_change 
    91824 trig.activate_trigger('graphics update', self) 
    91825 File
    91826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91827 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    91828 trigger.activate(data) 
    91829 File
    91830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91831 packages/chimerax/core/triggerset.py", line 190, in activate 
    91832 ret = handler.invoke(data, self._remove_bad_handlers) 
    91833 File
    91834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91835 packages/chimerax/core/triggerset.py", line 132, in invoke 
    91836 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    91837 File
    91838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91839 packages/chimerax/core/session.py", line 943, in <lambda> 
    91840 logger.report_exception(preface=preface)) 
    91841 File
    91842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91843 packages/chimerax/core/logger.py", line 421, in report_exception 
    91844 elif probably_chimera1_session(exc_info): 
    91845 File
    91846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91847 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91848 etype, evalue, etraceback = exc_info 
    91849 TypeError: cannot unpack non-iterable NoneType object 
    91850  
    91851 TypeError: cannot unpack non-iterable NoneType object 
    91852  
    91853 File
    91854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91855 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91856 etype, evalue, etraceback = exc_info 
    91857  
    91858 See log for complete Python traceback. 
    91859  
    91860 Traceback (most recent call last): 
    91861 File
    91862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91863 packages/chimerax/core/triggerset.py", line 130, in invoke 
    91864 return self._func(self._name, data) 
    91865 File
    91866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91867 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    91868 if v.display: 
    91869 File
    91870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91871 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    91872 return self._any_displayed_positions and len(self._positions) > 0 
    91873 TypeError: object of type 'NoneType' has no len() 
    91874  
    91875 During handling of the above exception, another exception occurred: 
    91876  
    91877 Traceback (most recent call last): 
    91878 File
    91879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91880 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    91881 if not self.draw_new_frame(): 
    91882 File
    91883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91884 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    91885 changed = view.check_for_drawing_change() 
    91886 File
    91887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91888 packages/chimerax/core/graphics/view.py", line 252, in
    91889 check_for_drawing_change 
    91890 trig.activate_trigger('graphics update', self) 
    91891 File
    91892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91893 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    91894 trigger.activate(data) 
    91895 File
    91896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91897 packages/chimerax/core/triggerset.py", line 190, in activate 
    91898 ret = handler.invoke(data, self._remove_bad_handlers) 
    91899 File
    91900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91901 packages/chimerax/core/triggerset.py", line 132, in invoke 
    91902 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    91903 File
    91904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91905 packages/chimerax/core/session.py", line 943, in <lambda> 
    91906 logger.report_exception(preface=preface)) 
    91907 File
    91908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91909 packages/chimerax/core/logger.py", line 421, in report_exception 
    91910 elif probably_chimera1_session(exc_info): 
    91911 File
    91912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91913 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91914 etype, evalue, etraceback = exc_info 
    91915 TypeError: cannot unpack non-iterable NoneType object 
    91916  
    91917 TypeError: cannot unpack non-iterable NoneType object 
    91918  
    91919 File
    91920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91921 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91922 etype, evalue, etraceback = exc_info 
    91923  
    91924 See log for complete Python traceback. 
    91925  
    91926 Traceback (most recent call last): 
    91927 File
    91928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91929 packages/chimerax/core/triggerset.py", line 130, in invoke 
    91930 return self._func(self._name, data) 
    91931 File
    91932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91933 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    91934 if v.display: 
    91935 File
    91936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91937 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    91938 return self._any_displayed_positions and len(self._positions) > 0 
    91939 TypeError: object of type 'NoneType' has no len() 
    91940  
    91941 During handling of the above exception, another exception occurred: 
    91942  
    91943 Traceback (most recent call last): 
    91944 File
    91945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91946 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    91947 if not self.draw_new_frame(): 
    91948 File
    91949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91950 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    91951 changed = view.check_for_drawing_change() 
    91952 File
    91953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91954 packages/chimerax/core/graphics/view.py", line 252, in
    91955 check_for_drawing_change 
    91956 trig.activate_trigger('graphics update', self) 
    91957 File
    91958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91959 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    91960 trigger.activate(data) 
    91961 File
    91962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91963 packages/chimerax/core/triggerset.py", line 190, in activate 
    91964 ret = handler.invoke(data, self._remove_bad_handlers) 
    91965 File
    91966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91967 packages/chimerax/core/triggerset.py", line 132, in invoke 
    91968 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    91969 File
    91970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91971 packages/chimerax/core/session.py", line 943, in <lambda> 
    91972 logger.report_exception(preface=preface)) 
    91973 File
    91974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91975 packages/chimerax/core/logger.py", line 421, in report_exception 
    91976 elif probably_chimera1_session(exc_info): 
    91977 File
    91978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91979 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91980 etype, evalue, etraceback = exc_info 
    91981 TypeError: cannot unpack non-iterable NoneType object 
    91982  
    91983 TypeError: cannot unpack non-iterable NoneType object 
    91984  
    91985 File
    91986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91987 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    91988 etype, evalue, etraceback = exc_info 
    91989  
    91990 See log for complete Python traceback. 
    91991  
    91992 Traceback (most recent call last): 
    91993 File
    91994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91995 packages/chimerax/core/triggerset.py", line 130, in invoke 
    91996 return self._func(self._name, data) 
    91997 File
    91998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    91999 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    92000 if v.display: 
    92001 File
    92002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92003 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    92004 return self._any_displayed_positions and len(self._positions) > 0 
    92005 TypeError: object of type 'NoneType' has no len() 
    92006  
    92007 During handling of the above exception, another exception occurred: 
    92008  
    92009 Traceback (most recent call last): 
    92010 File
    92011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92012 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    92013 if not self.draw_new_frame(): 
    92014 File
    92015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92016 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    92017 changed = view.check_for_drawing_change() 
    92018 File
    92019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92020 packages/chimerax/core/graphics/view.py", line 252, in
    92021 check_for_drawing_change 
    92022 trig.activate_trigger('graphics update', self) 
    92023 File
    92024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92025 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    92026 trigger.activate(data) 
    92027 File
    92028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92029 packages/chimerax/core/triggerset.py", line 190, in activate 
    92030 ret = handler.invoke(data, self._remove_bad_handlers) 
    92031 File
    92032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92033 packages/chimerax/core/triggerset.py", line 132, in invoke 
    92034 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    92035 File
    92036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92037 packages/chimerax/core/session.py", line 943, in <lambda> 
    92038 logger.report_exception(preface=preface)) 
    92039 File
    92040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92041 packages/chimerax/core/logger.py", line 421, in report_exception 
    92042 elif probably_chimera1_session(exc_info): 
    92043 File
    92044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92045 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92046 etype, evalue, etraceback = exc_info 
    92047 TypeError: cannot unpack non-iterable NoneType object 
    92048  
    92049 TypeError: cannot unpack non-iterable NoneType object 
    92050  
    92051 File
    92052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92053 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92054 etype, evalue, etraceback = exc_info 
    92055  
    92056 See log for complete Python traceback. 
    92057  
    92058 Traceback (most recent call last): 
    92059 File
    92060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92061 packages/chimerax/core/triggerset.py", line 130, in invoke 
    92062 return self._func(self._name, data) 
    92063 File
    92064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92065 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    92066 if v.display: 
    92067 File
    92068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92069 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    92070 return self._any_displayed_positions and len(self._positions) > 0 
    92071 TypeError: object of type 'NoneType' has no len() 
    92072  
    92073 During handling of the above exception, another exception occurred: 
    92074  
    92075 Traceback (most recent call last): 
    92076 File
    92077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92078 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    92079 if not self.draw_new_frame(): 
    92080 File
    92081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92082 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    92083 changed = view.check_for_drawing_change() 
    92084 File
    92085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92086 packages/chimerax/core/graphics/view.py", line 252, in
    92087 check_for_drawing_change 
    92088 trig.activate_trigger('graphics update', self) 
    92089 File
    92090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92091 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    92092 trigger.activate(data) 
    92093 File
    92094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92095 packages/chimerax/core/triggerset.py", line 190, in activate 
    92096 ret = handler.invoke(data, self._remove_bad_handlers) 
    92097 File
    92098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92099 packages/chimerax/core/triggerset.py", line 132, in invoke 
    92100 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    92101 File
    92102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92103 packages/chimerax/core/session.py", line 943, in <lambda> 
    92104 logger.report_exception(preface=preface)) 
    92105 File
    92106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92107 packages/chimerax/core/logger.py", line 421, in report_exception 
    92108 elif probably_chimera1_session(exc_info): 
    92109 File
    92110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92111 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92112 etype, evalue, etraceback = exc_info 
    92113 TypeError: cannot unpack non-iterable NoneType object 
    92114  
    92115 TypeError: cannot unpack non-iterable NoneType object 
    92116  
    92117 File
    92118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92119 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92120 etype, evalue, etraceback = exc_info 
    92121  
    92122 See log for complete Python traceback. 
    92123  
    92124 Traceback (most recent call last): 
    92125 File
    92126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92127 packages/chimerax/core/triggerset.py", line 130, in invoke 
    92128 return self._func(self._name, data) 
    92129 File
    92130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92131 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    92132 if v.display: 
    92133 File
    92134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92135 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    92136 return self._any_displayed_positions and len(self._positions) > 0 
    92137 TypeError: object of type 'NoneType' has no len() 
    92138  
    92139 During handling of the above exception, another exception occurred: 
    92140  
    92141 Traceback (most recent call last): 
    92142 File
    92143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92144 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    92145 if not self.draw_new_frame(): 
    92146 File
    92147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92148 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    92149 changed = view.check_for_drawing_change() 
    92150 File
    92151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92152 packages/chimerax/core/graphics/view.py", line 252, in
    92153 check_for_drawing_change 
    92154 trig.activate_trigger('graphics update', self) 
    92155 File
    92156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92157 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    92158 trigger.activate(data) 
    92159 File
    92160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92161 packages/chimerax/core/triggerset.py", line 190, in activate 
    92162 ret = handler.invoke(data, self._remove_bad_handlers) 
    92163 File
    92164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92165 packages/chimerax/core/triggerset.py", line 132, in invoke 
    92166 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    92167 File
    92168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92169 packages/chimerax/core/session.py", line 943, in <lambda> 
    92170 logger.report_exception(preface=preface)) 
    92171 File
    92172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92173 packages/chimerax/core/logger.py", line 421, in report_exception 
    92174 elif probably_chimera1_session(exc_info): 
    92175 File
    92176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92177 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92178 etype, evalue, etraceback = exc_info 
    92179 TypeError: cannot unpack non-iterable NoneType object 
    92180  
    92181 TypeError: cannot unpack non-iterable NoneType object 
    92182  
    92183 File
    92184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92185 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92186 etype, evalue, etraceback = exc_info 
    92187  
    92188 See log for complete Python traceback. 
    92189  
    92190 Traceback (most recent call last): 
    92191 File
    92192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92193 packages/chimerax/core/triggerset.py", line 130, in invoke 
    92194 return self._func(self._name, data) 
    92195 File
    92196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92197 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    92198 if v.display: 
    92199 File
    92200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92201 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    92202 return self._any_displayed_positions and len(self._positions) > 0 
    92203 TypeError: object of type 'NoneType' has no len() 
    92204  
    92205 During handling of the above exception, another exception occurred: 
    92206  
    92207 Traceback (most recent call last): 
    92208 File
    92209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92210 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    92211 if not self.draw_new_frame(): 
    92212 File
    92213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92214 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    92215 changed = view.check_for_drawing_change() 
    92216 File
    92217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92218 packages/chimerax/core/graphics/view.py", line 252, in
    92219 check_for_drawing_change 
    92220 trig.activate_trigger('graphics update', self) 
    92221 File
    92222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92223 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    92224 trigger.activate(data) 
    92225 File
    92226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92227 packages/chimerax/core/triggerset.py", line 190, in activate 
    92228 ret = handler.invoke(data, self._remove_bad_handlers) 
    92229 File
    92230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92231 packages/chimerax/core/triggerset.py", line 132, in invoke 
    92232 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    92233 File
    92234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92235 packages/chimerax/core/session.py", line 943, in <lambda> 
    92236 logger.report_exception(preface=preface)) 
    92237 File
    92238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92239 packages/chimerax/core/logger.py", line 421, in report_exception 
    92240 elif probably_chimera1_session(exc_info): 
    92241 File
    92242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92243 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92244 etype, evalue, etraceback = exc_info 
    92245 TypeError: cannot unpack non-iterable NoneType object 
    92246  
    92247 TypeError: cannot unpack non-iterable NoneType object 
    92248  
    92249 File
    92250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92251 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92252 etype, evalue, etraceback = exc_info 
    92253  
    92254 See log for complete Python traceback. 
    92255  
    92256 Traceback (most recent call last): 
    92257 File
    92258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92259 packages/chimerax/core/triggerset.py", line 130, in invoke 
    92260 return self._func(self._name, data) 
    92261 File
    92262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92263 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    92264 if v.display: 
    92265 File
    92266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92267 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    92268 return self._any_displayed_positions and len(self._positions) > 0 
    92269 TypeError: object of type 'NoneType' has no len() 
    92270  
    92271 During handling of the above exception, another exception occurred: 
    92272  
    92273 Traceback (most recent call last): 
    92274 File
    92275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92276 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    92277 if not self.draw_new_frame(): 
    92278 File
    92279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92280 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    92281 changed = view.check_for_drawing_change() 
    92282 File
    92283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92284 packages/chimerax/core/graphics/view.py", line 252, in
    92285 check_for_drawing_change 
    92286 trig.activate_trigger('graphics update', self) 
    92287 File
    92288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92289 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    92290 trigger.activate(data) 
    92291 File
    92292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92293 packages/chimerax/core/triggerset.py", line 190, in activate 
    92294 ret = handler.invoke(data, self._remove_bad_handlers) 
    92295 File
    92296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92297 packages/chimerax/core/triggerset.py", line 132, in invoke 
    92298 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    92299 File
    92300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92301 packages/chimerax/core/session.py", line 943, in <lambda> 
    92302 logger.report_exception(preface=preface)) 
    92303 File
    92304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92305 packages/chimerax/core/logger.py", line 421, in report_exception 
    92306 elif probably_chimera1_session(exc_info): 
    92307 File
    92308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92309 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92310 etype, evalue, etraceback = exc_info 
    92311 TypeError: cannot unpack non-iterable NoneType object 
    92312  
    92313 TypeError: cannot unpack non-iterable NoneType object 
    92314  
    92315 File
    92316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92317 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92318 etype, evalue, etraceback = exc_info 
    92319  
    92320 See log for complete Python traceback. 
    92321  
    92322 Traceback (most recent call last): 
    92323 File
    92324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92325 packages/chimerax/core/triggerset.py", line 130, in invoke 
    92326 return self._func(self._name, data) 
    92327 File
    92328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92329 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    92330 if v.display: 
    92331 File
    92332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92333 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    92334 return self._any_displayed_positions and len(self._positions) > 0 
    92335 TypeError: object of type 'NoneType' has no len() 
    92336  
    92337 During handling of the above exception, another exception occurred: 
    92338  
    92339 Traceback (most recent call last): 
    92340 File
    92341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92342 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    92343 if not self.draw_new_frame(): 
    92344 File
    92345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92346 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    92347 changed = view.check_for_drawing_change() 
    92348 File
    92349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92350 packages/chimerax/core/graphics/view.py", line 252, in
    92351 check_for_drawing_change 
    92352 trig.activate_trigger('graphics update', self) 
    92353 File
    92354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92355 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    92356 trigger.activate(data) 
    92357 File
    92358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92359 packages/chimerax/core/triggerset.py", line 190, in activate 
    92360 ret = handler.invoke(data, self._remove_bad_handlers) 
    92361 File
    92362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92363 packages/chimerax/core/triggerset.py", line 132, in invoke 
    92364 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    92365 File
    92366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92367 packages/chimerax/core/session.py", line 943, in <lambda> 
    92368 logger.report_exception(preface=preface)) 
    92369 File
    92370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92371 packages/chimerax/core/logger.py", line 421, in report_exception 
    92372 elif probably_chimera1_session(exc_info): 
    92373 File
    92374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92375 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92376 etype, evalue, etraceback = exc_info 
    92377 TypeError: cannot unpack non-iterable NoneType object 
    92378  
    92379 TypeError: cannot unpack non-iterable NoneType object 
    92380  
    92381 File
    92382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92383 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92384 etype, evalue, etraceback = exc_info 
    92385  
    92386 See log for complete Python traceback. 
    92387  
    92388 Traceback (most recent call last): 
    92389 File
    92390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92391 packages/chimerax/core/triggerset.py", line 130, in invoke 
    92392 return self._func(self._name, data) 
    92393 File
    92394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92395 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    92396 if v.display: 
    92397 File
    92398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92399 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    92400 return self._any_displayed_positions and len(self._positions) > 0 
    92401 TypeError: object of type 'NoneType' has no len() 
    92402  
    92403 During handling of the above exception, another exception occurred: 
    92404  
    92405 Traceback (most recent call last): 
    92406 File
    92407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92408 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    92409 if not self.draw_new_frame(): 
    92410 File
    92411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92412 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    92413 changed = view.check_for_drawing_change() 
    92414 File
    92415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92416 packages/chimerax/core/graphics/view.py", line 252, in
    92417 check_for_drawing_change 
    92418 trig.activate_trigger('graphics update', self) 
    92419 File
    92420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92421 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    92422 trigger.activate(data) 
    92423 File
    92424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92425 packages/chimerax/core/triggerset.py", line 190, in activate 
    92426 ret = handler.invoke(data, self._remove_bad_handlers) 
    92427 File
    92428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92429 packages/chimerax/core/triggerset.py", line 132, in invoke 
    92430 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    92431 File
    92432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92433 packages/chimerax/core/session.py", line 943, in <lambda> 
    92434 logger.report_exception(preface=preface)) 
    92435 File
    92436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92437 packages/chimerax/core/logger.py", line 421, in report_exception 
    92438 elif probably_chimera1_session(exc_info): 
    92439 File
    92440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92441 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92442 etype, evalue, etraceback = exc_info 
    92443 TypeError: cannot unpack non-iterable NoneType object 
    92444  
    92445 TypeError: cannot unpack non-iterable NoneType object 
    92446  
    92447 File
    92448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92449 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92450 etype, evalue, etraceback = exc_info 
    92451  
    92452 See log for complete Python traceback. 
    92453  
    92454 Traceback (most recent call last): 
    92455 File
    92456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92457 packages/chimerax/core/triggerset.py", line 130, in invoke 
    92458 return self._func(self._name, data) 
    92459 File
    92460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92461 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    92462 if v.display: 
    92463 File
    92464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92465 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    92466 return self._any_displayed_positions and len(self._positions) > 0 
    92467 TypeError: object of type 'NoneType' has no len() 
    92468  
    92469 During handling of the above exception, another exception occurred: 
    92470  
    92471 Traceback (most recent call last): 
    92472 File
    92473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92474 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    92475 if not self.draw_new_frame(): 
    92476 File
    92477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92478 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    92479 changed = view.check_for_drawing_change() 
    92480 File
    92481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92482 packages/chimerax/core/graphics/view.py", line 252, in
    92483 check_for_drawing_change 
    92484 trig.activate_trigger('graphics update', self) 
    92485 File
    92486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92487 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    92488 trigger.activate(data) 
    92489 File
    92490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92491 packages/chimerax/core/triggerset.py", line 190, in activate 
    92492 ret = handler.invoke(data, self._remove_bad_handlers) 
    92493 File
    92494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92495 packages/chimerax/core/triggerset.py", line 132, in invoke 
    92496 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    92497 File
    92498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92499 packages/chimerax/core/session.py", line 943, in <lambda> 
    92500 logger.report_exception(preface=preface)) 
    92501 File
    92502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92503 packages/chimerax/core/logger.py", line 421, in report_exception 
    92504 elif probably_chimera1_session(exc_info): 
    92505 File
    92506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92507 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92508 etype, evalue, etraceback = exc_info 
    92509 TypeError: cannot unpack non-iterable NoneType object 
    92510  
    92511 TypeError: cannot unpack non-iterable NoneType object 
    92512  
    92513 File
    92514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92515 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92516 etype, evalue, etraceback = exc_info 
    92517  
    92518 See log for complete Python traceback. 
    92519  
    92520 Traceback (most recent call last): 
    92521 File
    92522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92523 packages/chimerax/core/triggerset.py", line 130, in invoke 
    92524 return self._func(self._name, data) 
    92525 File
    92526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92527 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    92528 if v.display: 
    92529 File
    92530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92531 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    92532 return self._any_displayed_positions and len(self._positions) > 0 
    92533 TypeError: object of type 'NoneType' has no len() 
    92534  
    92535 During handling of the above exception, another exception occurred: 
    92536  
    92537 Traceback (most recent call last): 
    92538 File
    92539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92540 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    92541 if not self.draw_new_frame(): 
    92542 File
    92543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92544 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    92545 changed = view.check_for_drawing_change() 
    92546 File
    92547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92548 packages/chimerax/core/graphics/view.py", line 252, in
    92549 check_for_drawing_change 
    92550 trig.activate_trigger('graphics update', self) 
    92551 File
    92552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92553 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    92554 trigger.activate(data) 
    92555 File
    92556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92557 packages/chimerax/core/triggerset.py", line 190, in activate 
    92558 ret = handler.invoke(data, self._remove_bad_handlers) 
    92559 File
    92560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92561 packages/chimerax/core/triggerset.py", line 132, in invoke 
    92562 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    92563 File
    92564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92565 packages/chimerax/core/session.py", line 943, in <lambda> 
    92566 logger.report_exception(preface=preface)) 
    92567 File
    92568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92569 packages/chimerax/core/logger.py", line 421, in report_exception 
    92570 elif probably_chimera1_session(exc_info): 
    92571 File
    92572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92573 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92574 etype, evalue, etraceback = exc_info 
    92575 TypeError: cannot unpack non-iterable NoneType object 
    92576  
    92577 TypeError: cannot unpack non-iterable NoneType object 
    92578  
    92579 File
    92580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92581 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92582 etype, evalue, etraceback = exc_info 
    92583  
    92584 See log for complete Python traceback. 
    92585  
    92586 Traceback (most recent call last): 
    92587 File
    92588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92589 packages/chimerax/core/triggerset.py", line 130, in invoke 
    92590 return self._func(self._name, data) 
    92591 File
    92592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92593 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    92594 if v.display: 
    92595 File
    92596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92597 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    92598 return self._any_displayed_positions and len(self._positions) > 0 
    92599 TypeError: object of type 'NoneType' has no len() 
    92600  
    92601 During handling of the above exception, another exception occurred: 
    92602  
    92603 Traceback (most recent call last): 
    92604 File
    92605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92606 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    92607 if not self.draw_new_frame(): 
    92608 File
    92609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92610 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    92611 changed = view.check_for_drawing_change() 
    92612 File
    92613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92614 packages/chimerax/core/graphics/view.py", line 252, in
    92615 check_for_drawing_change 
    92616 trig.activate_trigger('graphics update', self) 
    92617 File
    92618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92619 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    92620 trigger.activate(data) 
    92621 File
    92622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92623 packages/chimerax/core/triggerset.py", line 190, in activate 
    92624 ret = handler.invoke(data, self._remove_bad_handlers) 
    92625 File
    92626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92627 packages/chimerax/core/triggerset.py", line 132, in invoke 
    92628 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    92629 File
    92630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92631 packages/chimerax/core/session.py", line 943, in <lambda> 
    92632 logger.report_exception(preface=preface)) 
    92633 File
    92634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92635 packages/chimerax/core/logger.py", line 421, in report_exception 
    92636 elif probably_chimera1_session(exc_info): 
    92637 File
    92638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92639 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92640 etype, evalue, etraceback = exc_info 
    92641 TypeError: cannot unpack non-iterable NoneType object 
    92642  
    92643 TypeError: cannot unpack non-iterable NoneType object 
    92644  
    92645 File
    92646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92647 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92648 etype, evalue, etraceback = exc_info 
    92649  
    92650 See log for complete Python traceback. 
    92651  
    92652 Traceback (most recent call last): 
    92653 File
    92654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92655 packages/chimerax/core/triggerset.py", line 130, in invoke 
    92656 return self._func(self._name, data) 
    92657 File
    92658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92659 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    92660 if v.display: 
    92661 File
    92662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92663 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    92664 return self._any_displayed_positions and len(self._positions) > 0 
    92665 TypeError: object of type 'NoneType' has no len() 
    92666  
    92667 During handling of the above exception, another exception occurred: 
    92668  
    92669 Traceback (most recent call last): 
    92670 File
    92671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92672 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    92673 if not self.draw_new_frame(): 
    92674 File
    92675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92676 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    92677 changed = view.check_for_drawing_change() 
    92678 File
    92679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92680 packages/chimerax/core/graphics/view.py", line 252, in
    92681 check_for_drawing_change 
    92682 trig.activate_trigger('graphics update', self) 
    92683 File
    92684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92685 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    92686 trigger.activate(data) 
    92687 File
    92688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92689 packages/chimerax/core/triggerset.py", line 190, in activate 
    92690 ret = handler.invoke(data, self._remove_bad_handlers) 
    92691 File
    92692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92693 packages/chimerax/core/triggerset.py", line 132, in invoke 
    92694 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    92695 File
    92696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92697 packages/chimerax/core/session.py", line 943, in <lambda> 
    92698 logger.report_exception(preface=preface)) 
    92699 File
    92700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92701 packages/chimerax/core/logger.py", line 421, in report_exception 
    92702 elif probably_chimera1_session(exc_info): 
    92703 File
    92704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92705 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92706 etype, evalue, etraceback = exc_info 
    92707 TypeError: cannot unpack non-iterable NoneType object 
    92708  
    92709 TypeError: cannot unpack non-iterable NoneType object 
    92710  
    92711 File
    92712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92713 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92714 etype, evalue, etraceback = exc_info 
    92715  
    92716 See log for complete Python traceback. 
    92717  
    92718 Traceback (most recent call last): 
    92719 File
    92720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92721 packages/chimerax/core/triggerset.py", line 130, in invoke 
    92722 return self._func(self._name, data) 
    92723 File
    92724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92725 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    92726 if v.display: 
    92727 File
    92728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92729 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    92730 return self._any_displayed_positions and len(self._positions) > 0 
    92731 TypeError: object of type 'NoneType' has no len() 
    92732  
    92733 During handling of the above exception, another exception occurred: 
    92734  
    92735 Traceback (most recent call last): 
    92736 File
    92737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92738 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    92739 if not self.draw_new_frame(): 
    92740 File
    92741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92742 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    92743 changed = view.check_for_drawing_change() 
    92744 File
    92745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92746 packages/chimerax/core/graphics/view.py", line 252, in
    92747 check_for_drawing_change 
    92748 trig.activate_trigger('graphics update', self) 
    92749 File
    92750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92751 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    92752 trigger.activate(data) 
    92753 File
    92754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92755 packages/chimerax/core/triggerset.py", line 190, in activate 
    92756 ret = handler.invoke(data, self._remove_bad_handlers) 
    92757 File
    92758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92759 packages/chimerax/core/triggerset.py", line 132, in invoke 
    92760 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    92761 File
    92762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92763 packages/chimerax/core/session.py", line 943, in <lambda> 
    92764 logger.report_exception(preface=preface)) 
    92765 File
    92766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92767 packages/chimerax/core/logger.py", line 421, in report_exception 
    92768 elif probably_chimera1_session(exc_info): 
    92769 File
    92770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92771 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92772 etype, evalue, etraceback = exc_info 
    92773 TypeError: cannot unpack non-iterable NoneType object 
    92774  
    92775 TypeError: cannot unpack non-iterable NoneType object 
    92776  
    92777 File
    92778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92779 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92780 etype, evalue, etraceback = exc_info 
    92781  
    92782 See log for complete Python traceback. 
    92783  
    92784 Traceback (most recent call last): 
    92785 File
    92786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92787 packages/chimerax/core/triggerset.py", line 130, in invoke 
    92788 return self._func(self._name, data) 
    92789 File
    92790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92791 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    92792 if v.display: 
    92793 File
    92794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92795 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    92796 return self._any_displayed_positions and len(self._positions) > 0 
    92797 TypeError: object of type 'NoneType' has no len() 
    92798  
    92799 During handling of the above exception, another exception occurred: 
    92800  
    92801 Traceback (most recent call last): 
    92802 File
    92803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92804 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    92805 if not self.draw_new_frame(): 
    92806 File
    92807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92808 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    92809 changed = view.check_for_drawing_change() 
    92810 File
    92811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92812 packages/chimerax/core/graphics/view.py", line 252, in
    92813 check_for_drawing_change 
    92814 trig.activate_trigger('graphics update', self) 
    92815 File
    92816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92817 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    92818 trigger.activate(data) 
    92819 File
    92820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92821 packages/chimerax/core/triggerset.py", line 190, in activate 
    92822 ret = handler.invoke(data, self._remove_bad_handlers) 
    92823 File
    92824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92825 packages/chimerax/core/triggerset.py", line 132, in invoke 
    92826 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    92827 File
    92828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92829 packages/chimerax/core/session.py", line 943, in <lambda> 
    92830 logger.report_exception(preface=preface)) 
    92831 File
    92832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92833 packages/chimerax/core/logger.py", line 421, in report_exception 
    92834 elif probably_chimera1_session(exc_info): 
    92835 File
    92836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92837 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92838 etype, evalue, etraceback = exc_info 
    92839 TypeError: cannot unpack non-iterable NoneType object 
    92840  
    92841 TypeError: cannot unpack non-iterable NoneType object 
    92842  
    92843 File
    92844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92845 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92846 etype, evalue, etraceback = exc_info 
    92847  
    92848 See log for complete Python traceback. 
    92849  
    92850 Traceback (most recent call last): 
    92851 File
    92852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92853 packages/chimerax/core/triggerset.py", line 130, in invoke 
    92854 return self._func(self._name, data) 
    92855 File
    92856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92857 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    92858 if v.display: 
    92859 File
    92860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92861 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    92862 return self._any_displayed_positions and len(self._positions) > 0 
    92863 TypeError: object of type 'NoneType' has no len() 
    92864  
    92865 During handling of the above exception, another exception occurred: 
    92866  
    92867 Traceback (most recent call last): 
    92868 File
    92869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92870 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    92871 if not self.draw_new_frame(): 
    92872 File
    92873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92874 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    92875 changed = view.check_for_drawing_change() 
    92876 File
    92877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92878 packages/chimerax/core/graphics/view.py", line 252, in
    92879 check_for_drawing_change 
    92880 trig.activate_trigger('graphics update', self) 
    92881 File
    92882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92883 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    92884 trigger.activate(data) 
    92885 File
    92886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92887 packages/chimerax/core/triggerset.py", line 190, in activate 
    92888 ret = handler.invoke(data, self._remove_bad_handlers) 
    92889 File
    92890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92891 packages/chimerax/core/triggerset.py", line 132, in invoke 
    92892 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    92893 File
    92894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92895 packages/chimerax/core/session.py", line 943, in <lambda> 
    92896 logger.report_exception(preface=preface)) 
    92897 File
    92898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92899 packages/chimerax/core/logger.py", line 421, in report_exception 
    92900 elif probably_chimera1_session(exc_info): 
    92901 File
    92902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92903 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92904 etype, evalue, etraceback = exc_info 
    92905 TypeError: cannot unpack non-iterable NoneType object 
    92906  
    92907 TypeError: cannot unpack non-iterable NoneType object 
    92908  
    92909 File
    92910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92911 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92912 etype, evalue, etraceback = exc_info 
    92913  
    92914 See log for complete Python traceback. 
    92915  
    92916 Traceback (most recent call last): 
    92917 File
    92918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92919 packages/chimerax/core/triggerset.py", line 130, in invoke 
    92920 return self._func(self._name, data) 
    92921 File
    92922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92923 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    92924 if v.display: 
    92925 File
    92926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92927 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    92928 return self._any_displayed_positions and len(self._positions) > 0 
    92929 TypeError: object of type 'NoneType' has no len() 
    92930  
    92931 During handling of the above exception, another exception occurred: 
    92932  
    92933 Traceback (most recent call last): 
    92934 File
    92935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92936 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    92937 if not self.draw_new_frame(): 
    92938 File
    92939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92940 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    92941 changed = view.check_for_drawing_change() 
    92942 File
    92943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92944 packages/chimerax/core/graphics/view.py", line 252, in
    92945 check_for_drawing_change 
    92946 trig.activate_trigger('graphics update', self) 
    92947 File
    92948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92949 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    92950 trigger.activate(data) 
    92951 File
    92952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92953 packages/chimerax/core/triggerset.py", line 190, in activate 
    92954 ret = handler.invoke(data, self._remove_bad_handlers) 
    92955 File
    92956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92957 packages/chimerax/core/triggerset.py", line 132, in invoke 
    92958 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    92959 File
    92960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92961 packages/chimerax/core/session.py", line 943, in <lambda> 
    92962 logger.report_exception(preface=preface)) 
    92963 File
    92964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92965 packages/chimerax/core/logger.py", line 421, in report_exception 
    92966 elif probably_chimera1_session(exc_info): 
    92967 File
    92968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92969 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92970 etype, evalue, etraceback = exc_info 
    92971 TypeError: cannot unpack non-iterable NoneType object 
    92972  
    92973 TypeError: cannot unpack non-iterable NoneType object 
    92974  
    92975 File
    92976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92977 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    92978 etype, evalue, etraceback = exc_info 
    92979  
    92980 See log for complete Python traceback. 
    92981  
    92982 Traceback (most recent call last): 
    92983 File
    92984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92985 packages/chimerax/core/triggerset.py", line 130, in invoke 
    92986 return self._func(self._name, data) 
    92987 File
    92988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92989 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    92990 if v.display: 
    92991 File
    92992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    92993 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    92994 return self._any_displayed_positions and len(self._positions) > 0 
    92995 TypeError: object of type 'NoneType' has no len() 
    92996  
    92997 During handling of the above exception, another exception occurred: 
    92998  
    92999 Traceback (most recent call last): 
    93000 File
    93001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93002 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    93003 if not self.draw_new_frame(): 
    93004 File
    93005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93006 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    93007 changed = view.check_for_drawing_change() 
    93008 File
    93009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93010 packages/chimerax/core/graphics/view.py", line 252, in
    93011 check_for_drawing_change 
    93012 trig.activate_trigger('graphics update', self) 
    93013 File
    93014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93015 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    93016 trigger.activate(data) 
    93017 File
    93018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93019 packages/chimerax/core/triggerset.py", line 190, in activate 
    93020 ret = handler.invoke(data, self._remove_bad_handlers) 
    93021 File
    93022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93023 packages/chimerax/core/triggerset.py", line 132, in invoke 
    93024 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    93025 File
    93026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93027 packages/chimerax/core/session.py", line 943, in <lambda> 
    93028 logger.report_exception(preface=preface)) 
    93029 File
    93030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93031 packages/chimerax/core/logger.py", line 421, in report_exception 
    93032 elif probably_chimera1_session(exc_info): 
    93033 File
    93034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93035 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93036 etype, evalue, etraceback = exc_info 
    93037 TypeError: cannot unpack non-iterable NoneType object 
    93038  
    93039 TypeError: cannot unpack non-iterable NoneType object 
    93040  
    93041 File
    93042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93043 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93044 etype, evalue, etraceback = exc_info 
    93045  
    93046 See log for complete Python traceback. 
    93047  
    93048 Traceback (most recent call last): 
    93049 File
    93050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93051 packages/chimerax/core/triggerset.py", line 130, in invoke 
    93052 return self._func(self._name, data) 
    93053 File
    93054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93055 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    93056 if v.display: 
    93057 File
    93058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93059 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    93060 return self._any_displayed_positions and len(self._positions) > 0 
    93061 TypeError: object of type 'NoneType' has no len() 
    93062  
    93063 During handling of the above exception, another exception occurred: 
    93064  
    93065 Traceback (most recent call last): 
    93066 File
    93067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93068 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    93069 if not self.draw_new_frame(): 
    93070 File
    93071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93072 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    93073 changed = view.check_for_drawing_change() 
    93074 File
    93075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93076 packages/chimerax/core/graphics/view.py", line 252, in
    93077 check_for_drawing_change 
    93078 trig.activate_trigger('graphics update', self) 
    93079 File
    93080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93081 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    93082 trigger.activate(data) 
    93083 File
    93084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93085 packages/chimerax/core/triggerset.py", line 190, in activate 
    93086 ret = handler.invoke(data, self._remove_bad_handlers) 
    93087 File
    93088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93089 packages/chimerax/core/triggerset.py", line 132, in invoke 
    93090 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    93091 File
    93092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93093 packages/chimerax/core/session.py", line 943, in <lambda> 
    93094 logger.report_exception(preface=preface)) 
    93095 File
    93096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93097 packages/chimerax/core/logger.py", line 421, in report_exception 
    93098 elif probably_chimera1_session(exc_info): 
    93099 File
    93100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93101 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93102 etype, evalue, etraceback = exc_info 
    93103 TypeError: cannot unpack non-iterable NoneType object 
    93104  
    93105 TypeError: cannot unpack non-iterable NoneType object 
    93106  
    93107 File
    93108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93109 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93110 etype, evalue, etraceback = exc_info 
    93111  
    93112 See log for complete Python traceback. 
    93113  
    93114 Traceback (most recent call last): 
    93115 File
    93116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93117 packages/chimerax/core/triggerset.py", line 130, in invoke 
    93118 return self._func(self._name, data) 
    93119 File
    93120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93121 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    93122 if v.display: 
    93123 File
    93124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93125 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    93126 return self._any_displayed_positions and len(self._positions) > 0 
    93127 TypeError: object of type 'NoneType' has no len() 
    93128  
    93129 During handling of the above exception, another exception occurred: 
    93130  
    93131 Traceback (most recent call last): 
    93132 File
    93133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93134 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    93135 if not self.draw_new_frame(): 
    93136 File
    93137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93138 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    93139 changed = view.check_for_drawing_change() 
    93140 File
    93141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93142 packages/chimerax/core/graphics/view.py", line 252, in
    93143 check_for_drawing_change 
    93144 trig.activate_trigger('graphics update', self) 
    93145 File
    93146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93147 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    93148 trigger.activate(data) 
    93149 File
    93150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93151 packages/chimerax/core/triggerset.py", line 190, in activate 
    93152 ret = handler.invoke(data, self._remove_bad_handlers) 
    93153 File
    93154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93155 packages/chimerax/core/triggerset.py", line 132, in invoke 
    93156 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    93157 File
    93158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93159 packages/chimerax/core/session.py", line 943, in <lambda> 
    93160 logger.report_exception(preface=preface)) 
    93161 File
    93162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93163 packages/chimerax/core/logger.py", line 421, in report_exception 
    93164 elif probably_chimera1_session(exc_info): 
    93165 File
    93166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93167 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93168 etype, evalue, etraceback = exc_info 
    93169 TypeError: cannot unpack non-iterable NoneType object 
    93170  
    93171 TypeError: cannot unpack non-iterable NoneType object 
    93172  
    93173 File
    93174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93175 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93176 etype, evalue, etraceback = exc_info 
    93177  
    93178 See log for complete Python traceback. 
    93179  
    93180 Traceback (most recent call last): 
    93181 File
    93182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93183 packages/chimerax/core/triggerset.py", line 130, in invoke 
    93184 return self._func(self._name, data) 
    93185 File
    93186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93187 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    93188 if v.display: 
    93189 File
    93190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93191 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    93192 return self._any_displayed_positions and len(self._positions) > 0 
    93193 TypeError: object of type 'NoneType' has no len() 
    93194  
    93195 During handling of the above exception, another exception occurred: 
    93196  
    93197 Traceback (most recent call last): 
    93198 File
    93199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93200 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    93201 if not self.draw_new_frame(): 
    93202 File
    93203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93204 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    93205 changed = view.check_for_drawing_change() 
    93206 File
    93207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93208 packages/chimerax/core/graphics/view.py", line 252, in
    93209 check_for_drawing_change 
    93210 trig.activate_trigger('graphics update', self) 
    93211 File
    93212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93213 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    93214 trigger.activate(data) 
    93215 File
    93216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93217 packages/chimerax/core/triggerset.py", line 190, in activate 
    93218 ret = handler.invoke(data, self._remove_bad_handlers) 
    93219 File
    93220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93221 packages/chimerax/core/triggerset.py", line 132, in invoke 
    93222 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    93223 File
    93224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93225 packages/chimerax/core/session.py", line 943, in <lambda> 
    93226 logger.report_exception(preface=preface)) 
    93227 File
    93228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93229 packages/chimerax/core/logger.py", line 421, in report_exception 
    93230 elif probably_chimera1_session(exc_info): 
    93231 File
    93232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93233 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93234 etype, evalue, etraceback = exc_info 
    93235 TypeError: cannot unpack non-iterable NoneType object 
    93236  
    93237 TypeError: cannot unpack non-iterable NoneType object 
    93238  
    93239 File
    93240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93241 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93242 etype, evalue, etraceback = exc_info 
    93243  
    93244 See log for complete Python traceback. 
    93245  
    93246 Traceback (most recent call last): 
    93247 File
    93248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93249 packages/chimerax/core/triggerset.py", line 130, in invoke 
    93250 return self._func(self._name, data) 
    93251 File
    93252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93253 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    93254 if v.display: 
    93255 File
    93256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93257 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    93258 return self._any_displayed_positions and len(self._positions) > 0 
    93259 TypeError: object of type 'NoneType' has no len() 
    93260  
    93261 During handling of the above exception, another exception occurred: 
    93262  
    93263 Traceback (most recent call last): 
    93264 File
    93265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93266 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    93267 if not self.draw_new_frame(): 
    93268 File
    93269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93270 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    93271 changed = view.check_for_drawing_change() 
    93272 File
    93273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93274 packages/chimerax/core/graphics/view.py", line 252, in
    93275 check_for_drawing_change 
    93276 trig.activate_trigger('graphics update', self) 
    93277 File
    93278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93279 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    93280 trigger.activate(data) 
    93281 File
    93282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93283 packages/chimerax/core/triggerset.py", line 190, in activate 
    93284 ret = handler.invoke(data, self._remove_bad_handlers) 
    93285 File
    93286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93287 packages/chimerax/core/triggerset.py", line 132, in invoke 
    93288 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    93289 File
    93290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93291 packages/chimerax/core/session.py", line 943, in <lambda> 
    93292 logger.report_exception(preface=preface)) 
    93293 File
    93294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93295 packages/chimerax/core/logger.py", line 421, in report_exception 
    93296 elif probably_chimera1_session(exc_info): 
    93297 File
    93298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93299 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93300 etype, evalue, etraceback = exc_info 
    93301 TypeError: cannot unpack non-iterable NoneType object 
    93302  
    93303 TypeError: cannot unpack non-iterable NoneType object 
    93304  
    93305 File
    93306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93307 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93308 etype, evalue, etraceback = exc_info 
    93309  
    93310 See log for complete Python traceback. 
    93311  
    93312 Traceback (most recent call last): 
    93313 File
    93314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93315 packages/chimerax/core/triggerset.py", line 130, in invoke 
    93316 return self._func(self._name, data) 
    93317 File
    93318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93319 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    93320 if v.display: 
    93321 File
    93322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93323 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    93324 return self._any_displayed_positions and len(self._positions) > 0 
    93325 TypeError: object of type 'NoneType' has no len() 
    93326  
    93327 During handling of the above exception, another exception occurred: 
    93328  
    93329 Traceback (most recent call last): 
    93330 File
    93331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93332 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    93333 if not self.draw_new_frame(): 
    93334 File
    93335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93336 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    93337 changed = view.check_for_drawing_change() 
    93338 File
    93339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93340 packages/chimerax/core/graphics/view.py", line 252, in
    93341 check_for_drawing_change 
    93342 trig.activate_trigger('graphics update', self) 
    93343 File
    93344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93345 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    93346 trigger.activate(data) 
    93347 File
    93348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93349 packages/chimerax/core/triggerset.py", line 190, in activate 
    93350 ret = handler.invoke(data, self._remove_bad_handlers) 
    93351 File
    93352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93353 packages/chimerax/core/triggerset.py", line 132, in invoke 
    93354 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    93355 File
    93356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93357 packages/chimerax/core/session.py", line 943, in <lambda> 
    93358 logger.report_exception(preface=preface)) 
    93359 File
    93360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93361 packages/chimerax/core/logger.py", line 421, in report_exception 
    93362 elif probably_chimera1_session(exc_info): 
    93363 File
    93364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93365 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93366 etype, evalue, etraceback = exc_info 
    93367 TypeError: cannot unpack non-iterable NoneType object 
    93368  
    93369 TypeError: cannot unpack non-iterable NoneType object 
    93370  
    93371 File
    93372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93373 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93374 etype, evalue, etraceback = exc_info 
    93375  
    93376 See log for complete Python traceback. 
    93377  
    93378 Traceback (most recent call last): 
    93379 File
    93380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93381 packages/chimerax/core/triggerset.py", line 130, in invoke 
    93382 return self._func(self._name, data) 
    93383 File
    93384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93385 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    93386 if v.display: 
    93387 File
    93388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93389 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    93390 return self._any_displayed_positions and len(self._positions) > 0 
    93391 TypeError: object of type 'NoneType' has no len() 
    93392  
    93393 During handling of the above exception, another exception occurred: 
    93394  
    93395 Traceback (most recent call last): 
    93396 File
    93397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93398 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    93399 if not self.draw_new_frame(): 
    93400 File
    93401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93402 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    93403 changed = view.check_for_drawing_change() 
    93404 File
    93405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93406 packages/chimerax/core/graphics/view.py", line 252, in
    93407 check_for_drawing_change 
    93408 trig.activate_trigger('graphics update', self) 
    93409 File
    93410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93411 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    93412 trigger.activate(data) 
    93413 File
    93414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93415 packages/chimerax/core/triggerset.py", line 190, in activate 
    93416 ret = handler.invoke(data, self._remove_bad_handlers) 
    93417 File
    93418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93419 packages/chimerax/core/triggerset.py", line 132, in invoke 
    93420 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    93421 File
    93422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93423 packages/chimerax/core/session.py", line 943, in <lambda> 
    93424 logger.report_exception(preface=preface)) 
    93425 File
    93426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93427 packages/chimerax/core/logger.py", line 421, in report_exception 
    93428 elif probably_chimera1_session(exc_info): 
    93429 File
    93430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93431 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93432 etype, evalue, etraceback = exc_info 
    93433 TypeError: cannot unpack non-iterable NoneType object 
    93434  
    93435 TypeError: cannot unpack non-iterable NoneType object 
    93436  
    93437 File
    93438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93439 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93440 etype, evalue, etraceback = exc_info 
    93441  
    93442 See log for complete Python traceback. 
    93443  
    93444 Traceback (most recent call last): 
    93445 File
    93446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93447 packages/chimerax/core/triggerset.py", line 130, in invoke 
    93448 return self._func(self._name, data) 
    93449 File
    93450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93451 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    93452 if v.display: 
    93453 File
    93454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93455 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    93456 return self._any_displayed_positions and len(self._positions) > 0 
    93457 TypeError: object of type 'NoneType' has no len() 
    93458  
    93459 During handling of the above exception, another exception occurred: 
    93460  
    93461 Traceback (most recent call last): 
    93462 File
    93463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93464 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    93465 if not self.draw_new_frame(): 
    93466 File
    93467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93468 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    93469 changed = view.check_for_drawing_change() 
    93470 File
    93471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93472 packages/chimerax/core/graphics/view.py", line 252, in
    93473 check_for_drawing_change 
    93474 trig.activate_trigger('graphics update', self) 
    93475 File
    93476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93477 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    93478 trigger.activate(data) 
    93479 File
    93480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93481 packages/chimerax/core/triggerset.py", line 190, in activate 
    93482 ret = handler.invoke(data, self._remove_bad_handlers) 
    93483 File
    93484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93485 packages/chimerax/core/triggerset.py", line 132, in invoke 
    93486 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    93487 File
    93488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93489 packages/chimerax/core/session.py", line 943, in <lambda> 
    93490 logger.report_exception(preface=preface)) 
    93491 File
    93492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93493 packages/chimerax/core/logger.py", line 421, in report_exception 
    93494 elif probably_chimera1_session(exc_info): 
    93495 File
    93496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93497 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93498 etype, evalue, etraceback = exc_info 
    93499 TypeError: cannot unpack non-iterable NoneType object 
    93500  
    93501 TypeError: cannot unpack non-iterable NoneType object 
    93502  
    93503 File
    93504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93505 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93506 etype, evalue, etraceback = exc_info 
    93507  
    93508 See log for complete Python traceback. 
    93509  
    93510 Traceback (most recent call last): 
    93511 File
    93512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93513 packages/chimerax/core/triggerset.py", line 130, in invoke 
    93514 return self._func(self._name, data) 
    93515 File
    93516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93517 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    93518 if v.display: 
    93519 File
    93520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93521 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    93522 return self._any_displayed_positions and len(self._positions) > 0 
    93523 TypeError: object of type 'NoneType' has no len() 
    93524  
    93525 During handling of the above exception, another exception occurred: 
    93526  
    93527 Traceback (most recent call last): 
    93528 File
    93529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93530 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    93531 if not self.draw_new_frame(): 
    93532 File
    93533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93534 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    93535 changed = view.check_for_drawing_change() 
    93536 File
    93537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93538 packages/chimerax/core/graphics/view.py", line 252, in
    93539 check_for_drawing_change 
    93540 trig.activate_trigger('graphics update', self) 
    93541 File
    93542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93543 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    93544 trigger.activate(data) 
    93545 File
    93546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93547 packages/chimerax/core/triggerset.py", line 190, in activate 
    93548 ret = handler.invoke(data, self._remove_bad_handlers) 
    93549 File
    93550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93551 packages/chimerax/core/triggerset.py", line 132, in invoke 
    93552 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    93553 File
    93554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93555 packages/chimerax/core/session.py", line 943, in <lambda> 
    93556 logger.report_exception(preface=preface)) 
    93557 File
    93558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93559 packages/chimerax/core/logger.py", line 421, in report_exception 
    93560 elif probably_chimera1_session(exc_info): 
    93561 File
    93562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93563 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93564 etype, evalue, etraceback = exc_info 
    93565 TypeError: cannot unpack non-iterable NoneType object 
    93566  
    93567 TypeError: cannot unpack non-iterable NoneType object 
    93568  
    93569 File
    93570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93571 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93572 etype, evalue, etraceback = exc_info 
    93573  
    93574 See log for complete Python traceback. 
    93575  
    93576 Traceback (most recent call last): 
    93577 File
    93578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93579 packages/chimerax/core/triggerset.py", line 130, in invoke 
    93580 return self._func(self._name, data) 
    93581 File
    93582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93583 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    93584 if v.display: 
    93585 File
    93586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93587 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    93588 return self._any_displayed_positions and len(self._positions) > 0 
    93589 TypeError: object of type 'NoneType' has no len() 
    93590  
    93591 During handling of the above exception, another exception occurred: 
    93592  
    93593 Traceback (most recent call last): 
    93594 File
    93595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93596 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    93597 if not self.draw_new_frame(): 
    93598 File
    93599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93600 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    93601 changed = view.check_for_drawing_change() 
    93602 File
    93603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93604 packages/chimerax/core/graphics/view.py", line 252, in
    93605 check_for_drawing_change 
    93606 trig.activate_trigger('graphics update', self) 
    93607 File
    93608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93609 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    93610 trigger.activate(data) 
    93611 File
    93612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93613 packages/chimerax/core/triggerset.py", line 190, in activate 
    93614 ret = handler.invoke(data, self._remove_bad_handlers) 
    93615 File
    93616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93617 packages/chimerax/core/triggerset.py", line 132, in invoke 
    93618 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    93619 File
    93620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93621 packages/chimerax/core/session.py", line 943, in <lambda> 
    93622 logger.report_exception(preface=preface)) 
    93623 File
    93624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93625 packages/chimerax/core/logger.py", line 421, in report_exception 
    93626 elif probably_chimera1_session(exc_info): 
    93627 File
    93628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93629 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93630 etype, evalue, etraceback = exc_info 
    93631 TypeError: cannot unpack non-iterable NoneType object 
    93632  
    93633 TypeError: cannot unpack non-iterable NoneType object 
    93634  
    93635 File
    93636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93637 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93638 etype, evalue, etraceback = exc_info 
    93639  
    93640 See log for complete Python traceback. 
    93641  
    93642 Traceback (most recent call last): 
    93643 File
    93644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93645 packages/chimerax/core/triggerset.py", line 130, in invoke 
    93646 return self._func(self._name, data) 
    93647 File
    93648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93649 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    93650 if v.display: 
    93651 File
    93652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93653 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    93654 return self._any_displayed_positions and len(self._positions) > 0 
    93655 TypeError: object of type 'NoneType' has no len() 
    93656  
    93657 During handling of the above exception, another exception occurred: 
    93658  
    93659 Traceback (most recent call last): 
    93660 File
    93661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93662 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    93663 if not self.draw_new_frame(): 
    93664 File
    93665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93666 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    93667 changed = view.check_for_drawing_change() 
    93668 File
    93669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93670 packages/chimerax/core/graphics/view.py", line 252, in
    93671 check_for_drawing_change 
    93672 trig.activate_trigger('graphics update', self) 
    93673 File
    93674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93675 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    93676 trigger.activate(data) 
    93677 File
    93678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93679 packages/chimerax/core/triggerset.py", line 190, in activate 
    93680 ret = handler.invoke(data, self._remove_bad_handlers) 
    93681 File
    93682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93683 packages/chimerax/core/triggerset.py", line 132, in invoke 
    93684 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    93685 File
    93686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93687 packages/chimerax/core/session.py", line 943, in <lambda> 
    93688 logger.report_exception(preface=preface)) 
    93689 File
    93690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93691 packages/chimerax/core/logger.py", line 421, in report_exception 
    93692 elif probably_chimera1_session(exc_info): 
    93693 File
    93694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93695 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93696 etype, evalue, etraceback = exc_info 
    93697 TypeError: cannot unpack non-iterable NoneType object 
    93698  
    93699 TypeError: cannot unpack non-iterable NoneType object 
    93700  
    93701 File
    93702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93703 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93704 etype, evalue, etraceback = exc_info 
    93705  
    93706 See log for complete Python traceback. 
    93707  
    93708 Traceback (most recent call last): 
    93709 File
    93710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93711 packages/chimerax/core/triggerset.py", line 130, in invoke 
    93712 return self._func(self._name, data) 
    93713 File
    93714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93715 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    93716 if v.display: 
    93717 File
    93718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93719 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    93720 return self._any_displayed_positions and len(self._positions) > 0 
    93721 TypeError: object of type 'NoneType' has no len() 
    93722  
    93723 During handling of the above exception, another exception occurred: 
    93724  
    93725 Traceback (most recent call last): 
    93726 File
    93727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93728 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    93729 if not self.draw_new_frame(): 
    93730 File
    93731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93732 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    93733 changed = view.check_for_drawing_change() 
    93734 File
    93735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93736 packages/chimerax/core/graphics/view.py", line 252, in
    93737 check_for_drawing_change 
    93738 trig.activate_trigger('graphics update', self) 
    93739 File
    93740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93741 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    93742 trigger.activate(data) 
    93743 File
    93744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93745 packages/chimerax/core/triggerset.py", line 190, in activate 
    93746 ret = handler.invoke(data, self._remove_bad_handlers) 
    93747 File
    93748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93749 packages/chimerax/core/triggerset.py", line 132, in invoke 
    93750 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    93751 File
    93752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93753 packages/chimerax/core/session.py", line 943, in <lambda> 
    93754 logger.report_exception(preface=preface)) 
    93755 File
    93756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93757 packages/chimerax/core/logger.py", line 421, in report_exception 
    93758 elif probably_chimera1_session(exc_info): 
    93759 File
    93760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93761 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93762 etype, evalue, etraceback = exc_info 
    93763 TypeError: cannot unpack non-iterable NoneType object 
    93764  
    93765 TypeError: cannot unpack non-iterable NoneType object 
    93766  
    93767 File
    93768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93769 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93770 etype, evalue, etraceback = exc_info 
    93771  
    93772 See log for complete Python traceback. 
    93773  
    93774 Traceback (most recent call last): 
    93775 File
    93776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93777 packages/chimerax/core/triggerset.py", line 130, in invoke 
    93778 return self._func(self._name, data) 
    93779 File
    93780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93781 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    93782 if v.display: 
    93783 File
    93784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93785 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    93786 return self._any_displayed_positions and len(self._positions) > 0 
    93787 TypeError: object of type 'NoneType' has no len() 
    93788  
    93789 During handling of the above exception, another exception occurred: 
    93790  
    93791 Traceback (most recent call last): 
    93792 File
    93793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93794 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    93795 if not self.draw_new_frame(): 
    93796 File
    93797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93798 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    93799 changed = view.check_for_drawing_change() 
    93800 File
    93801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93802 packages/chimerax/core/graphics/view.py", line 252, in
    93803 check_for_drawing_change 
    93804 trig.activate_trigger('graphics update', self) 
    93805 File
    93806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93807 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    93808 trigger.activate(data) 
    93809 File
    93810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93811 packages/chimerax/core/triggerset.py", line 190, in activate 
    93812 ret = handler.invoke(data, self._remove_bad_handlers) 
    93813 File
    93814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93815 packages/chimerax/core/triggerset.py", line 132, in invoke 
    93816 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    93817 File
    93818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93819 packages/chimerax/core/session.py", line 943, in <lambda> 
    93820 logger.report_exception(preface=preface)) 
    93821 File
    93822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93823 packages/chimerax/core/logger.py", line 421, in report_exception 
    93824 elif probably_chimera1_session(exc_info): 
    93825 File
    93826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93827 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93828 etype, evalue, etraceback = exc_info 
    93829 TypeError: cannot unpack non-iterable NoneType object 
    93830  
    93831 TypeError: cannot unpack non-iterable NoneType object 
    93832  
    93833 File
    93834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93835 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93836 etype, evalue, etraceback = exc_info 
    93837  
    93838 See log for complete Python traceback. 
    93839  
    93840 Traceback (most recent call last): 
    93841 File
    93842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93843 packages/chimerax/core/triggerset.py", line 130, in invoke 
    93844 return self._func(self._name, data) 
    93845 File
    93846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93847 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    93848 if v.display: 
    93849 File
    93850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93851 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    93852 return self._any_displayed_positions and len(self._positions) > 0 
    93853 TypeError: object of type 'NoneType' has no len() 
    93854  
    93855 During handling of the above exception, another exception occurred: 
    93856  
    93857 Traceback (most recent call last): 
    93858 File
    93859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93860 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    93861 if not self.draw_new_frame(): 
    93862 File
    93863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93864 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    93865 changed = view.check_for_drawing_change() 
    93866 File
    93867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93868 packages/chimerax/core/graphics/view.py", line 252, in
    93869 check_for_drawing_change 
    93870 trig.activate_trigger('graphics update', self) 
    93871 File
    93872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93873 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    93874 trigger.activate(data) 
    93875 File
    93876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93877 packages/chimerax/core/triggerset.py", line 190, in activate 
    93878 ret = handler.invoke(data, self._remove_bad_handlers) 
    93879 File
    93880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93881 packages/chimerax/core/triggerset.py", line 132, in invoke 
    93882 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    93883 File
    93884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93885 packages/chimerax/core/session.py", line 943, in <lambda> 
    93886 logger.report_exception(preface=preface)) 
    93887 File
    93888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93889 packages/chimerax/core/logger.py", line 421, in report_exception 
    93890 elif probably_chimera1_session(exc_info): 
    93891 File
    93892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93893 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93894 etype, evalue, etraceback = exc_info 
    93895 TypeError: cannot unpack non-iterable NoneType object 
    93896  
    93897 TypeError: cannot unpack non-iterable NoneType object 
    93898  
    93899 File
    93900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93901 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93902 etype, evalue, etraceback = exc_info 
    93903  
    93904 See log for complete Python traceback. 
    93905  
    93906 Traceback (most recent call last): 
    93907 File
    93908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93909 packages/chimerax/core/triggerset.py", line 130, in invoke 
    93910 return self._func(self._name, data) 
    93911 File
    93912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93913 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    93914 if v.display: 
    93915 File
    93916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93917 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    93918 return self._any_displayed_positions and len(self._positions) > 0 
    93919 TypeError: object of type 'NoneType' has no len() 
    93920  
    93921 During handling of the above exception, another exception occurred: 
    93922  
    93923 Traceback (most recent call last): 
    93924 File
    93925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93926 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    93927 if not self.draw_new_frame(): 
    93928 File
    93929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93930 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    93931 changed = view.check_for_drawing_change() 
    93932 File
    93933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93934 packages/chimerax/core/graphics/view.py", line 252, in
    93935 check_for_drawing_change 
    93936 trig.activate_trigger('graphics update', self) 
    93937 File
    93938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93939 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    93940 trigger.activate(data) 
    93941 File
    93942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93943 packages/chimerax/core/triggerset.py", line 190, in activate 
    93944 ret = handler.invoke(data, self._remove_bad_handlers) 
    93945 File
    93946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93947 packages/chimerax/core/triggerset.py", line 132, in invoke 
    93948 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    93949 File
    93950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93951 packages/chimerax/core/session.py", line 943, in <lambda> 
    93952 logger.report_exception(preface=preface)) 
    93953 File
    93954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93955 packages/chimerax/core/logger.py", line 421, in report_exception 
    93956 elif probably_chimera1_session(exc_info): 
    93957 File
    93958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93959 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93960 etype, evalue, etraceback = exc_info 
    93961 TypeError: cannot unpack non-iterable NoneType object 
    93962  
    93963 TypeError: cannot unpack non-iterable NoneType object 
    93964  
    93965 File
    93966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93967 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    93968 etype, evalue, etraceback = exc_info 
    93969  
    93970 See log for complete Python traceback. 
    93971  
    93972 Traceback (most recent call last): 
    93973 File
    93974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93975 packages/chimerax/core/triggerset.py", line 130, in invoke 
    93976 return self._func(self._name, data) 
    93977 File
    93978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93979 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    93980 if v.display: 
    93981 File
    93982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93983 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    93984 return self._any_displayed_positions and len(self._positions) > 0 
    93985 TypeError: object of type 'NoneType' has no len() 
    93986  
    93987 During handling of the above exception, another exception occurred: 
    93988  
    93989 Traceback (most recent call last): 
    93990 File
    93991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93992 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    93993 if not self.draw_new_frame(): 
    93994 File
    93995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    93996 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    93997 changed = view.check_for_drawing_change() 
    93998 File
    93999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94000 packages/chimerax/core/graphics/view.py", line 252, in
    94001 check_for_drawing_change 
    94002 trig.activate_trigger('graphics update', self) 
    94003 File
    94004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94005 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    94006 trigger.activate(data) 
    94007 File
    94008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94009 packages/chimerax/core/triggerset.py", line 190, in activate 
    94010 ret = handler.invoke(data, self._remove_bad_handlers) 
    94011 File
    94012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94013 packages/chimerax/core/triggerset.py", line 132, in invoke 
    94014 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    94015 File
    94016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94017 packages/chimerax/core/session.py", line 943, in <lambda> 
    94018 logger.report_exception(preface=preface)) 
    94019 File
    94020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94021 packages/chimerax/core/logger.py", line 421, in report_exception 
    94022 elif probably_chimera1_session(exc_info): 
    94023 File
    94024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94025 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94026 etype, evalue, etraceback = exc_info 
    94027 TypeError: cannot unpack non-iterable NoneType object 
    94028  
    94029 TypeError: cannot unpack non-iterable NoneType object 
    94030  
    94031 File
    94032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94033 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94034 etype, evalue, etraceback = exc_info 
    94035  
    94036 See log for complete Python traceback. 
    94037  
    94038 Traceback (most recent call last): 
    94039 File
    94040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94041 packages/chimerax/core/triggerset.py", line 130, in invoke 
    94042 return self._func(self._name, data) 
    94043 File
    94044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94045 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    94046 if v.display: 
    94047 File
    94048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94049 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    94050 return self._any_displayed_positions and len(self._positions) > 0 
    94051 TypeError: object of type 'NoneType' has no len() 
    94052  
    94053 During handling of the above exception, another exception occurred: 
    94054  
    94055 Traceback (most recent call last): 
    94056 File
    94057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94058 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    94059 if not self.draw_new_frame(): 
    94060 File
    94061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94062 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    94063 changed = view.check_for_drawing_change() 
    94064 File
    94065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94066 packages/chimerax/core/graphics/view.py", line 252, in
    94067 check_for_drawing_change 
    94068 trig.activate_trigger('graphics update', self) 
    94069 File
    94070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94071 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    94072 trigger.activate(data) 
    94073 File
    94074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94075 packages/chimerax/core/triggerset.py", line 190, in activate 
    94076 ret = handler.invoke(data, self._remove_bad_handlers) 
    94077 File
    94078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94079 packages/chimerax/core/triggerset.py", line 132, in invoke 
    94080 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    94081 File
    94082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94083 packages/chimerax/core/session.py", line 943, in <lambda> 
    94084 logger.report_exception(preface=preface)) 
    94085 File
    94086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94087 packages/chimerax/core/logger.py", line 421, in report_exception 
    94088 elif probably_chimera1_session(exc_info): 
    94089 File
    94090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94091 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94092 etype, evalue, etraceback = exc_info 
    94093 TypeError: cannot unpack non-iterable NoneType object 
    94094  
    94095 TypeError: cannot unpack non-iterable NoneType object 
    94096  
    94097 File
    94098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94099 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94100 etype, evalue, etraceback = exc_info 
    94101  
    94102 See log for complete Python traceback. 
    94103  
    94104 Traceback (most recent call last): 
    94105 File
    94106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94107 packages/chimerax/core/triggerset.py", line 130, in invoke 
    94108 return self._func(self._name, data) 
    94109 File
    94110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94111 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    94112 if v.display: 
    94113 File
    94114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94115 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    94116 return self._any_displayed_positions and len(self._positions) > 0 
    94117 TypeError: object of type 'NoneType' has no len() 
    94118  
    94119 During handling of the above exception, another exception occurred: 
    94120  
    94121 Traceback (most recent call last): 
    94122 File
    94123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94124 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    94125 if not self.draw_new_frame(): 
    94126 File
    94127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94128 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    94129 changed = view.check_for_drawing_change() 
    94130 File
    94131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94132 packages/chimerax/core/graphics/view.py", line 252, in
    94133 check_for_drawing_change 
    94134 trig.activate_trigger('graphics update', self) 
    94135 File
    94136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94137 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    94138 trigger.activate(data) 
    94139 File
    94140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94141 packages/chimerax/core/triggerset.py", line 190, in activate 
    94142 ret = handler.invoke(data, self._remove_bad_handlers) 
    94143 File
    94144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94145 packages/chimerax/core/triggerset.py", line 132, in invoke 
    94146 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    94147 File
    94148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94149 packages/chimerax/core/session.py", line 943, in <lambda> 
    94150 logger.report_exception(preface=preface)) 
    94151 File
    94152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94153 packages/chimerax/core/logger.py", line 421, in report_exception 
    94154 elif probably_chimera1_session(exc_info): 
    94155 File
    94156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94157 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94158 etype, evalue, etraceback = exc_info 
    94159 TypeError: cannot unpack non-iterable NoneType object 
    94160  
    94161 TypeError: cannot unpack non-iterable NoneType object 
    94162  
    94163 File
    94164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94165 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94166 etype, evalue, etraceback = exc_info 
    94167  
    94168 See log for complete Python traceback. 
    94169  
    94170 Traceback (most recent call last): 
    94171 File
    94172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94173 packages/chimerax/core/triggerset.py", line 130, in invoke 
    94174 return self._func(self._name, data) 
    94175 File
    94176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94177 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    94178 if v.display: 
    94179 File
    94180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94181 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    94182 return self._any_displayed_positions and len(self._positions) > 0 
    94183 TypeError: object of type 'NoneType' has no len() 
    94184  
    94185 During handling of the above exception, another exception occurred: 
    94186  
    94187 Traceback (most recent call last): 
    94188 File
    94189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94190 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    94191 if not self.draw_new_frame(): 
    94192 File
    94193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94194 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    94195 changed = view.check_for_drawing_change() 
    94196 File
    94197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94198 packages/chimerax/core/graphics/view.py", line 252, in
    94199 check_for_drawing_change 
    94200 trig.activate_trigger('graphics update', self) 
    94201 File
    94202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94203 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    94204 trigger.activate(data) 
    94205 File
    94206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94207 packages/chimerax/core/triggerset.py", line 190, in activate 
    94208 ret = handler.invoke(data, self._remove_bad_handlers) 
    94209 File
    94210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94211 packages/chimerax/core/triggerset.py", line 132, in invoke 
    94212 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    94213 File
    94214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94215 packages/chimerax/core/session.py", line 943, in <lambda> 
    94216 logger.report_exception(preface=preface)) 
    94217 File
    94218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94219 packages/chimerax/core/logger.py", line 421, in report_exception 
    94220 elif probably_chimera1_session(exc_info): 
    94221 File
    94222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94223 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94224 etype, evalue, etraceback = exc_info 
    94225 TypeError: cannot unpack non-iterable NoneType object 
    94226  
    94227 TypeError: cannot unpack non-iterable NoneType object 
    94228  
    94229 File
    94230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94231 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94232 etype, evalue, etraceback = exc_info 
    94233  
    94234 See log for complete Python traceback. 
    94235  
    94236 Traceback (most recent call last): 
    94237 File
    94238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94239 packages/chimerax/core/triggerset.py", line 130, in invoke 
    94240 return self._func(self._name, data) 
    94241 File
    94242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94243 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    94244 if v.display: 
    94245 File
    94246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94247 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    94248 return self._any_displayed_positions and len(self._positions) > 0 
    94249 TypeError: object of type 'NoneType' has no len() 
    94250  
    94251 During handling of the above exception, another exception occurred: 
    94252  
    94253 Traceback (most recent call last): 
    94254 File
    94255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94256 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    94257 if not self.draw_new_frame(): 
    94258 File
    94259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94260 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    94261 changed = view.check_for_drawing_change() 
    94262 File
    94263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94264 packages/chimerax/core/graphics/view.py", line 252, in
    94265 check_for_drawing_change 
    94266 trig.activate_trigger('graphics update', self) 
    94267 File
    94268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94269 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    94270 trigger.activate(data) 
    94271 File
    94272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94273 packages/chimerax/core/triggerset.py", line 190, in activate 
    94274 ret = handler.invoke(data, self._remove_bad_handlers) 
    94275 File
    94276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94277 packages/chimerax/core/triggerset.py", line 132, in invoke 
    94278 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    94279 File
    94280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94281 packages/chimerax/core/session.py", line 943, in <lambda> 
    94282 logger.report_exception(preface=preface)) 
    94283 File
    94284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94285 packages/chimerax/core/logger.py", line 421, in report_exception 
    94286 elif probably_chimera1_session(exc_info): 
    94287 File
    94288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94289 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94290 etype, evalue, etraceback = exc_info 
    94291 TypeError: cannot unpack non-iterable NoneType object 
    94292  
    94293 TypeError: cannot unpack non-iterable NoneType object 
    94294  
    94295 File
    94296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94297 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94298 etype, evalue, etraceback = exc_info 
    94299  
    94300 See log for complete Python traceback. 
    94301  
    94302 Traceback (most recent call last): 
    94303 File
    94304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94305 packages/chimerax/core/triggerset.py", line 130, in invoke 
    94306 return self._func(self._name, data) 
    94307 File
    94308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94309 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    94310 if v.display: 
    94311 File
    94312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94313 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    94314 return self._any_displayed_positions and len(self._positions) > 0 
    94315 TypeError: object of type 'NoneType' has no len() 
    94316  
    94317 During handling of the above exception, another exception occurred: 
    94318  
    94319 Traceback (most recent call last): 
    94320 File
    94321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94322 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    94323 if not self.draw_new_frame(): 
    94324 File
    94325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94326 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    94327 changed = view.check_for_drawing_change() 
    94328 File
    94329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94330 packages/chimerax/core/graphics/view.py", line 252, in
    94331 check_for_drawing_change 
    94332 trig.activate_trigger('graphics update', self) 
    94333 File
    94334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94335 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    94336 trigger.activate(data) 
    94337 File
    94338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94339 packages/chimerax/core/triggerset.py", line 190, in activate 
    94340 ret = handler.invoke(data, self._remove_bad_handlers) 
    94341 File
    94342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94343 packages/chimerax/core/triggerset.py", line 132, in invoke 
    94344 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    94345 File
    94346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94347 packages/chimerax/core/session.py", line 943, in <lambda> 
    94348 logger.report_exception(preface=preface)) 
    94349 File
    94350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94351 packages/chimerax/core/logger.py", line 421, in report_exception 
    94352 elif probably_chimera1_session(exc_info): 
    94353 File
    94354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94355 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94356 etype, evalue, etraceback = exc_info 
    94357 TypeError: cannot unpack non-iterable NoneType object 
    94358  
    94359 TypeError: cannot unpack non-iterable NoneType object 
    94360  
    94361 File
    94362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94363 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94364 etype, evalue, etraceback = exc_info 
    94365  
    94366 See log for complete Python traceback. 
    94367  
    94368 Traceback (most recent call last): 
    94369 File
    94370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94371 packages/chimerax/core/triggerset.py", line 130, in invoke 
    94372 return self._func(self._name, data) 
    94373 File
    94374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94375 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    94376 if v.display: 
    94377 File
    94378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94379 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    94380 return self._any_displayed_positions and len(self._positions) > 0 
    94381 TypeError: object of type 'NoneType' has no len() 
    94382  
    94383 During handling of the above exception, another exception occurred: 
    94384  
    94385 Traceback (most recent call last): 
    94386 File
    94387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94388 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    94389 if not self.draw_new_frame(): 
    94390 File
    94391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94392 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    94393 changed = view.check_for_drawing_change() 
    94394 File
    94395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94396 packages/chimerax/core/graphics/view.py", line 252, in
    94397 check_for_drawing_change 
    94398 trig.activate_trigger('graphics update', self) 
    94399 File
    94400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94401 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    94402 trigger.activate(data) 
    94403 File
    94404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94405 packages/chimerax/core/triggerset.py", line 190, in activate 
    94406 ret = handler.invoke(data, self._remove_bad_handlers) 
    94407 File
    94408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94409 packages/chimerax/core/triggerset.py", line 132, in invoke 
    94410 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    94411 File
    94412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94413 packages/chimerax/core/session.py", line 943, in <lambda> 
    94414 logger.report_exception(preface=preface)) 
    94415 File
    94416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94417 packages/chimerax/core/logger.py", line 421, in report_exception 
    94418 elif probably_chimera1_session(exc_info): 
    94419 File
    94420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94421 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94422 etype, evalue, etraceback = exc_info 
    94423 TypeError: cannot unpack non-iterable NoneType object 
    94424  
    94425 TypeError: cannot unpack non-iterable NoneType object 
    94426  
    94427 File
    94428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94429 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94430 etype, evalue, etraceback = exc_info 
    94431  
    94432 See log for complete Python traceback. 
    94433  
    94434 Traceback (most recent call last): 
    94435 File
    94436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94437 packages/chimerax/core/triggerset.py", line 130, in invoke 
    94438 return self._func(self._name, data) 
    94439 File
    94440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94441 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    94442 if v.display: 
    94443 File
    94444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94445 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    94446 return self._any_displayed_positions and len(self._positions) > 0 
    94447 TypeError: object of type 'NoneType' has no len() 
    94448  
    94449 During handling of the above exception, another exception occurred: 
    94450  
    94451 Traceback (most recent call last): 
    94452 File
    94453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94454 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    94455 if not self.draw_new_frame(): 
    94456 File
    94457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94458 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    94459 changed = view.check_for_drawing_change() 
    94460 File
    94461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94462 packages/chimerax/core/graphics/view.py", line 252, in
    94463 check_for_drawing_change 
    94464 trig.activate_trigger('graphics update', self) 
    94465 File
    94466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94467 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    94468 trigger.activate(data) 
    94469 File
    94470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94471 packages/chimerax/core/triggerset.py", line 190, in activate 
    94472 ret = handler.invoke(data, self._remove_bad_handlers) 
    94473 File
    94474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94475 packages/chimerax/core/triggerset.py", line 132, in invoke 
    94476 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    94477 File
    94478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94479 packages/chimerax/core/session.py", line 943, in <lambda> 
    94480 logger.report_exception(preface=preface)) 
    94481 File
    94482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94483 packages/chimerax/core/logger.py", line 421, in report_exception 
    94484 elif probably_chimera1_session(exc_info): 
    94485 File
    94486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94487 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94488 etype, evalue, etraceback = exc_info 
    94489 TypeError: cannot unpack non-iterable NoneType object 
    94490  
    94491 TypeError: cannot unpack non-iterable NoneType object 
    94492  
    94493 File
    94494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94495 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94496 etype, evalue, etraceback = exc_info 
    94497  
    94498 See log for complete Python traceback. 
    94499  
    94500 Traceback (most recent call last): 
    94501 File
    94502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94503 packages/chimerax/core/triggerset.py", line 130, in invoke 
    94504 return self._func(self._name, data) 
    94505 File
    94506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94507 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    94508 if v.display: 
    94509 File
    94510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94511 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    94512 return self._any_displayed_positions and len(self._positions) > 0 
    94513 TypeError: object of type 'NoneType' has no len() 
    94514  
    94515 During handling of the above exception, another exception occurred: 
    94516  
    94517 Traceback (most recent call last): 
    94518 File
    94519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94520 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    94521 if not self.draw_new_frame(): 
    94522 File
    94523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94524 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    94525 changed = view.check_for_drawing_change() 
    94526 File
    94527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94528 packages/chimerax/core/graphics/view.py", line 252, in
    94529 check_for_drawing_change 
    94530 trig.activate_trigger('graphics update', self) 
    94531 File
    94532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94533 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    94534 trigger.activate(data) 
    94535 File
    94536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94537 packages/chimerax/core/triggerset.py", line 190, in activate 
    94538 ret = handler.invoke(data, self._remove_bad_handlers) 
    94539 File
    94540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94541 packages/chimerax/core/triggerset.py", line 132, in invoke 
    94542 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    94543 File
    94544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94545 packages/chimerax/core/session.py", line 943, in <lambda> 
    94546 logger.report_exception(preface=preface)) 
    94547 File
    94548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94549 packages/chimerax/core/logger.py", line 421, in report_exception 
    94550 elif probably_chimera1_session(exc_info): 
    94551 File
    94552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94553 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94554 etype, evalue, etraceback = exc_info 
    94555 TypeError: cannot unpack non-iterable NoneType object 
    94556  
    94557 TypeError: cannot unpack non-iterable NoneType object 
    94558  
    94559 File
    94560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94561 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94562 etype, evalue, etraceback = exc_info 
    94563  
    94564 See log for complete Python traceback. 
    94565  
    94566 Traceback (most recent call last): 
    94567 File
    94568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94569 packages/chimerax/core/triggerset.py", line 130, in invoke 
    94570 return self._func(self._name, data) 
    94571 File
    94572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94573 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    94574 if v.display: 
    94575 File
    94576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94577 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    94578 return self._any_displayed_positions and len(self._positions) > 0 
    94579 TypeError: object of type 'NoneType' has no len() 
    94580  
    94581 During handling of the above exception, another exception occurred: 
    94582  
    94583 Traceback (most recent call last): 
    94584 File
    94585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94586 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    94587 if not self.draw_new_frame(): 
    94588 File
    94589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94590 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    94591 changed = view.check_for_drawing_change() 
    94592 File
    94593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94594 packages/chimerax/core/graphics/view.py", line 252, in
    94595 check_for_drawing_change 
    94596 trig.activate_trigger('graphics update', self) 
    94597 File
    94598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94599 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    94600 trigger.activate(data) 
    94601 File
    94602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94603 packages/chimerax/core/triggerset.py", line 190, in activate 
    94604 ret = handler.invoke(data, self._remove_bad_handlers) 
    94605 File
    94606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94607 packages/chimerax/core/triggerset.py", line 132, in invoke 
    94608 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    94609 File
    94610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94611 packages/chimerax/core/session.py", line 943, in <lambda> 
    94612 logger.report_exception(preface=preface)) 
    94613 File
    94614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94615 packages/chimerax/core/logger.py", line 421, in report_exception 
    94616 elif probably_chimera1_session(exc_info): 
    94617 File
    94618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94619 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94620 etype, evalue, etraceback = exc_info 
    94621 TypeError: cannot unpack non-iterable NoneType object 
    94622  
    94623 TypeError: cannot unpack non-iterable NoneType object 
    94624  
    94625 File
    94626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94627 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94628 etype, evalue, etraceback = exc_info 
    94629  
    94630 See log for complete Python traceback. 
    94631  
    94632 Traceback (most recent call last): 
    94633 File
    94634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94635 packages/chimerax/core/triggerset.py", line 130, in invoke 
    94636 return self._func(self._name, data) 
    94637 File
    94638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94639 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    94640 if v.display: 
    94641 File
    94642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94643 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    94644 return self._any_displayed_positions and len(self._positions) > 0 
    94645 TypeError: object of type 'NoneType' has no len() 
    94646  
    94647 During handling of the above exception, another exception occurred: 
    94648  
    94649 Traceback (most recent call last): 
    94650 File
    94651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94652 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    94653 if not self.draw_new_frame(): 
    94654 File
    94655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94656 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    94657 changed = view.check_for_drawing_change() 
    94658 File
    94659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94660 packages/chimerax/core/graphics/view.py", line 252, in
    94661 check_for_drawing_change 
    94662 trig.activate_trigger('graphics update', self) 
    94663 File
    94664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94665 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    94666 trigger.activate(data) 
    94667 File
    94668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94669 packages/chimerax/core/triggerset.py", line 190, in activate 
    94670 ret = handler.invoke(data, self._remove_bad_handlers) 
    94671 File
    94672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94673 packages/chimerax/core/triggerset.py", line 132, in invoke 
    94674 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    94675 File
    94676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94677 packages/chimerax/core/session.py", line 943, in <lambda> 
    94678 logger.report_exception(preface=preface)) 
    94679 File
    94680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94681 packages/chimerax/core/logger.py", line 421, in report_exception 
    94682 elif probably_chimera1_session(exc_info): 
    94683 File
    94684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94685 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94686 etype, evalue, etraceback = exc_info 
    94687 TypeError: cannot unpack non-iterable NoneType object 
    94688  
    94689 TypeError: cannot unpack non-iterable NoneType object 
    94690  
    94691 File
    94692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94693 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94694 etype, evalue, etraceback = exc_info 
    94695  
    94696 See log for complete Python traceback. 
    94697  
    94698 Traceback (most recent call last): 
    94699 File
    94700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94701 packages/chimerax/core/triggerset.py", line 130, in invoke 
    94702 return self._func(self._name, data) 
    94703 File
    94704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94705 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    94706 if v.display: 
    94707 File
    94708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94709 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    94710 return self._any_displayed_positions and len(self._positions) > 0 
    94711 TypeError: object of type 'NoneType' has no len() 
    94712  
    94713 During handling of the above exception, another exception occurred: 
    94714  
    94715 Traceback (most recent call last): 
    94716 File
    94717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94718 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    94719 if not self.draw_new_frame(): 
    94720 File
    94721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94722 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    94723 changed = view.check_for_drawing_change() 
    94724 File
    94725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94726 packages/chimerax/core/graphics/view.py", line 252, in
    94727 check_for_drawing_change 
    94728 trig.activate_trigger('graphics update', self) 
    94729 File
    94730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94731 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    94732 trigger.activate(data) 
    94733 File
    94734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94735 packages/chimerax/core/triggerset.py", line 190, in activate 
    94736 ret = handler.invoke(data, self._remove_bad_handlers) 
    94737 File
    94738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94739 packages/chimerax/core/triggerset.py", line 132, in invoke 
    94740 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    94741 File
    94742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94743 packages/chimerax/core/session.py", line 943, in <lambda> 
    94744 logger.report_exception(preface=preface)) 
    94745 File
    94746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94747 packages/chimerax/core/logger.py", line 421, in report_exception 
    94748 elif probably_chimera1_session(exc_info): 
    94749 File
    94750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94751 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94752 etype, evalue, etraceback = exc_info 
    94753 TypeError: cannot unpack non-iterable NoneType object 
    94754  
    94755 TypeError: cannot unpack non-iterable NoneType object 
    94756  
    94757 File
    94758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94759 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94760 etype, evalue, etraceback = exc_info 
    94761  
    94762 See log for complete Python traceback. 
    94763  
    94764 Traceback (most recent call last): 
    94765 File
    94766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94767 packages/chimerax/core/triggerset.py", line 130, in invoke 
    94768 return self._func(self._name, data) 
    94769 File
    94770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94771 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    94772 if v.display: 
    94773 File
    94774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94775 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    94776 return self._any_displayed_positions and len(self._positions) > 0 
    94777 TypeError: object of type 'NoneType' has no len() 
    94778  
    94779 During handling of the above exception, another exception occurred: 
    94780  
    94781 Traceback (most recent call last): 
    94782 File
    94783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94784 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    94785 if not self.draw_new_frame(): 
    94786 File
    94787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94788 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    94789 changed = view.check_for_drawing_change() 
    94790 File
    94791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94792 packages/chimerax/core/graphics/view.py", line 252, in
    94793 check_for_drawing_change 
    94794 trig.activate_trigger('graphics update', self) 
    94795 File
    94796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94797 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    94798 trigger.activate(data) 
    94799 File
    94800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94801 packages/chimerax/core/triggerset.py", line 190, in activate 
    94802 ret = handler.invoke(data, self._remove_bad_handlers) 
    94803 File
    94804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94805 packages/chimerax/core/triggerset.py", line 132, in invoke 
    94806 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    94807 File
    94808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94809 packages/chimerax/core/session.py", line 943, in <lambda> 
    94810 logger.report_exception(preface=preface)) 
    94811 File
    94812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94813 packages/chimerax/core/logger.py", line 421, in report_exception 
    94814 elif probably_chimera1_session(exc_info): 
    94815 File
    94816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94817 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94818 etype, evalue, etraceback = exc_info 
    94819 TypeError: cannot unpack non-iterable NoneType object 
    94820  
    94821 TypeError: cannot unpack non-iterable NoneType object 
    94822  
    94823 File
    94824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94825 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94826 etype, evalue, etraceback = exc_info 
    94827  
    94828 See log for complete Python traceback. 
    94829  
    94830 Traceback (most recent call last): 
    94831 File
    94832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94833 packages/chimerax/core/triggerset.py", line 130, in invoke 
    94834 return self._func(self._name, data) 
    94835 File
    94836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94837 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    94838 if v.display: 
    94839 File
    94840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94841 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    94842 return self._any_displayed_positions and len(self._positions) > 0 
    94843 TypeError: object of type 'NoneType' has no len() 
    94844  
    94845 During handling of the above exception, another exception occurred: 
    94846  
    94847 Traceback (most recent call last): 
    94848 File
    94849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94850 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    94851 if not self.draw_new_frame(): 
    94852 File
    94853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94854 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    94855 changed = view.check_for_drawing_change() 
    94856 File
    94857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94858 packages/chimerax/core/graphics/view.py", line 252, in
    94859 check_for_drawing_change 
    94860 trig.activate_trigger('graphics update', self) 
    94861 File
    94862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94863 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    94864 trigger.activate(data) 
    94865 File
    94866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94867 packages/chimerax/core/triggerset.py", line 190, in activate 
    94868 ret = handler.invoke(data, self._remove_bad_handlers) 
    94869 File
    94870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94871 packages/chimerax/core/triggerset.py", line 132, in invoke 
    94872 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    94873 File
    94874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94875 packages/chimerax/core/session.py", line 943, in <lambda> 
    94876 logger.report_exception(preface=preface)) 
    94877 File
    94878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94879 packages/chimerax/core/logger.py", line 421, in report_exception 
    94880 elif probably_chimera1_session(exc_info): 
    94881 File
    94882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94883 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94884 etype, evalue, etraceback = exc_info 
    94885 TypeError: cannot unpack non-iterable NoneType object 
    94886  
    94887 TypeError: cannot unpack non-iterable NoneType object 
    94888  
    94889 File
    94890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94891 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94892 etype, evalue, etraceback = exc_info 
    94893  
    94894 See log for complete Python traceback. 
    94895  
    94896 Traceback (most recent call last): 
    94897 File
    94898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94899 packages/chimerax/core/triggerset.py", line 130, in invoke 
    94900 return self._func(self._name, data) 
    94901 File
    94902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94903 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    94904 if v.display: 
    94905 File
    94906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94907 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    94908 return self._any_displayed_positions and len(self._positions) > 0 
    94909 TypeError: object of type 'NoneType' has no len() 
    94910  
    94911 During handling of the above exception, another exception occurred: 
    94912  
    94913 Traceback (most recent call last): 
    94914 File
    94915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94916 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    94917 if not self.draw_new_frame(): 
    94918 File
    94919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94920 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    94921 changed = view.check_for_drawing_change() 
    94922 File
    94923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94924 packages/chimerax/core/graphics/view.py", line 252, in
    94925 check_for_drawing_change 
    94926 trig.activate_trigger('graphics update', self) 
    94927 File
    94928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94929 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    94930 trigger.activate(data) 
    94931 File
    94932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94933 packages/chimerax/core/triggerset.py", line 190, in activate 
    94934 ret = handler.invoke(data, self._remove_bad_handlers) 
    94935 File
    94936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94937 packages/chimerax/core/triggerset.py", line 132, in invoke 
    94938 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    94939 File
    94940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94941 packages/chimerax/core/session.py", line 943, in <lambda> 
    94942 logger.report_exception(preface=preface)) 
    94943 File
    94944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94945 packages/chimerax/core/logger.py", line 421, in report_exception 
    94946 elif probably_chimera1_session(exc_info): 
    94947 File
    94948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94949 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94950 etype, evalue, etraceback = exc_info 
    94951 TypeError: cannot unpack non-iterable NoneType object 
    94952  
    94953 TypeError: cannot unpack non-iterable NoneType object 
    94954  
    94955 File
    94956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94957 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    94958 etype, evalue, etraceback = exc_info 
    94959  
    94960 See log for complete Python traceback. 
    94961  
    94962 Traceback (most recent call last): 
    94963 File
    94964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94965 packages/chimerax/core/triggerset.py", line 130, in invoke 
    94966 return self._func(self._name, data) 
    94967 File
    94968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94969 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    94970 if v.display: 
    94971 File
    94972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94973 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    94974 return self._any_displayed_positions and len(self._positions) > 0 
    94975 TypeError: object of type 'NoneType' has no len() 
    94976  
    94977 During handling of the above exception, another exception occurred: 
    94978  
    94979 Traceback (most recent call last): 
    94980 File
    94981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94982 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    94983 if not self.draw_new_frame(): 
    94984 File
    94985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94986 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    94987 changed = view.check_for_drawing_change() 
    94988 File
    94989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94990 packages/chimerax/core/graphics/view.py", line 252, in
    94991 check_for_drawing_change 
    94992 trig.activate_trigger('graphics update', self) 
    94993 File
    94994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94995 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    94996 trigger.activate(data) 
    94997 File
    94998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    94999 packages/chimerax/core/triggerset.py", line 190, in activate 
    95000 ret = handler.invoke(data, self._remove_bad_handlers) 
    95001 File
    95002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95003 packages/chimerax/core/triggerset.py", line 132, in invoke 
    95004 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    95005 File
    95006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95007 packages/chimerax/core/session.py", line 943, in <lambda> 
    95008 logger.report_exception(preface=preface)) 
    95009 File
    95010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95011 packages/chimerax/core/logger.py", line 421, in report_exception 
    95012 elif probably_chimera1_session(exc_info): 
    95013 File
    95014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95015 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95016 etype, evalue, etraceback = exc_info 
    95017 TypeError: cannot unpack non-iterable NoneType object 
    95018  
    95019 TypeError: cannot unpack non-iterable NoneType object 
    95020  
    95021 File
    95022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95023 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95024 etype, evalue, etraceback = exc_info 
    95025  
    95026 See log for complete Python traceback. 
    95027  
    95028 Traceback (most recent call last): 
    95029 File
    95030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95031 packages/chimerax/core/triggerset.py", line 130, in invoke 
    95032 return self._func(self._name, data) 
    95033 File
    95034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95035 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    95036 if v.display: 
    95037 File
    95038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95039 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    95040 return self._any_displayed_positions and len(self._positions) > 0 
    95041 TypeError: object of type 'NoneType' has no len() 
    95042  
    95043 During handling of the above exception, another exception occurred: 
    95044  
    95045 Traceback (most recent call last): 
    95046 File
    95047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95048 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    95049 if not self.draw_new_frame(): 
    95050 File
    95051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95052 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    95053 changed = view.check_for_drawing_change() 
    95054 File
    95055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95056 packages/chimerax/core/graphics/view.py", line 252, in
    95057 check_for_drawing_change 
    95058 trig.activate_trigger('graphics update', self) 
    95059 File
    95060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95061 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    95062 trigger.activate(data) 
    95063 File
    95064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95065 packages/chimerax/core/triggerset.py", line 190, in activate 
    95066 ret = handler.invoke(data, self._remove_bad_handlers) 
    95067 File
    95068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95069 packages/chimerax/core/triggerset.py", line 132, in invoke 
    95070 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    95071 File
    95072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95073 packages/chimerax/core/session.py", line 943, in <lambda> 
    95074 logger.report_exception(preface=preface)) 
    95075 File
    95076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95077 packages/chimerax/core/logger.py", line 421, in report_exception 
    95078 elif probably_chimera1_session(exc_info): 
    95079 File
    95080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95081 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95082 etype, evalue, etraceback = exc_info 
    95083 TypeError: cannot unpack non-iterable NoneType object 
    95084  
    95085 TypeError: cannot unpack non-iterable NoneType object 
    95086  
    95087 File
    95088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95089 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95090 etype, evalue, etraceback = exc_info 
    95091  
    95092 See log for complete Python traceback. 
    95093  
    95094 Traceback (most recent call last): 
    95095 File
    95096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95097 packages/chimerax/core/triggerset.py", line 130, in invoke 
    95098 return self._func(self._name, data) 
    95099 File
    95100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95101 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    95102 if v.display: 
    95103 File
    95104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95105 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    95106 return self._any_displayed_positions and len(self._positions) > 0 
    95107 TypeError: object of type 'NoneType' has no len() 
    95108  
    95109 During handling of the above exception, another exception occurred: 
    95110  
    95111 Traceback (most recent call last): 
    95112 File
    95113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95114 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    95115 if not self.draw_new_frame(): 
    95116 File
    95117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95118 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    95119 changed = view.check_for_drawing_change() 
    95120 File
    95121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95122 packages/chimerax/core/graphics/view.py", line 252, in
    95123 check_for_drawing_change 
    95124 trig.activate_trigger('graphics update', self) 
    95125 File
    95126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95127 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    95128 trigger.activate(data) 
    95129 File
    95130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95131 packages/chimerax/core/triggerset.py", line 190, in activate 
    95132 ret = handler.invoke(data, self._remove_bad_handlers) 
    95133 File
    95134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95135 packages/chimerax/core/triggerset.py", line 132, in invoke 
    95136 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    95137 File
    95138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95139 packages/chimerax/core/session.py", line 943, in <lambda> 
    95140 logger.report_exception(preface=preface)) 
    95141 File
    95142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95143 packages/chimerax/core/logger.py", line 421, in report_exception 
    95144 elif probably_chimera1_session(exc_info): 
    95145 File
    95146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95147 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95148 etype, evalue, etraceback = exc_info 
    95149 TypeError: cannot unpack non-iterable NoneType object 
    95150  
    95151 TypeError: cannot unpack non-iterable NoneType object 
    95152  
    95153 File
    95154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95155 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95156 etype, evalue, etraceback = exc_info 
    95157  
    95158 See log for complete Python traceback. 
    95159  
    95160 Traceback (most recent call last): 
    95161 File
    95162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95163 packages/chimerax/core/triggerset.py", line 130, in invoke 
    95164 return self._func(self._name, data) 
    95165 File
    95166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95167 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    95168 if v.display: 
    95169 File
    95170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95171 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    95172 return self._any_displayed_positions and len(self._positions) > 0 
    95173 TypeError: object of type 'NoneType' has no len() 
    95174  
    95175 During handling of the above exception, another exception occurred: 
    95176  
    95177 Traceback (most recent call last): 
    95178 File
    95179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95180 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    95181 if not self.draw_new_frame(): 
    95182 File
    95183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95184 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    95185 changed = view.check_for_drawing_change() 
    95186 File
    95187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95188 packages/chimerax/core/graphics/view.py", line 252, in
    95189 check_for_drawing_change 
    95190 trig.activate_trigger('graphics update', self) 
    95191 File
    95192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95193 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    95194 trigger.activate(data) 
    95195 File
    95196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95197 packages/chimerax/core/triggerset.py", line 190, in activate 
    95198 ret = handler.invoke(data, self._remove_bad_handlers) 
    95199 File
    95200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95201 packages/chimerax/core/triggerset.py", line 132, in invoke 
    95202 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    95203 File
    95204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95205 packages/chimerax/core/session.py", line 943, in <lambda> 
    95206 logger.report_exception(preface=preface)) 
    95207 File
    95208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95209 packages/chimerax/core/logger.py", line 421, in report_exception 
    95210 elif probably_chimera1_session(exc_info): 
    95211 File
    95212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95213 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95214 etype, evalue, etraceback = exc_info 
    95215 TypeError: cannot unpack non-iterable NoneType object 
    95216  
    95217 TypeError: cannot unpack non-iterable NoneType object 
    95218  
    95219 File
    95220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95221 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95222 etype, evalue, etraceback = exc_info 
    95223  
    95224 See log for complete Python traceback. 
    95225  
    95226 Traceback (most recent call last): 
    95227 File
    95228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95229 packages/chimerax/core/triggerset.py", line 130, in invoke 
    95230 return self._func(self._name, data) 
    95231 File
    95232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95233 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    95234 if v.display: 
    95235 File
    95236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95237 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    95238 return self._any_displayed_positions and len(self._positions) > 0 
    95239 TypeError: object of type 'NoneType' has no len() 
    95240  
    95241 During handling of the above exception, another exception occurred: 
    95242  
    95243 Traceback (most recent call last): 
    95244 File
    95245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95246 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    95247 if not self.draw_new_frame(): 
    95248 File
    95249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95250 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    95251 changed = view.check_for_drawing_change() 
    95252 File
    95253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95254 packages/chimerax/core/graphics/view.py", line 252, in
    95255 check_for_drawing_change 
    95256 trig.activate_trigger('graphics update', self) 
    95257 File
    95258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95259 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    95260 trigger.activate(data) 
    95261 File
    95262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95263 packages/chimerax/core/triggerset.py", line 190, in activate 
    95264 ret = handler.invoke(data, self._remove_bad_handlers) 
    95265 File
    95266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95267 packages/chimerax/core/triggerset.py", line 132, in invoke 
    95268 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    95269 File
    95270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95271 packages/chimerax/core/session.py", line 943, in <lambda> 
    95272 logger.report_exception(preface=preface)) 
    95273 File
    95274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95275 packages/chimerax/core/logger.py", line 421, in report_exception 
    95276 elif probably_chimera1_session(exc_info): 
    95277 File
    95278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95279 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95280 etype, evalue, etraceback = exc_info 
    95281 TypeError: cannot unpack non-iterable NoneType object 
    95282  
    95283 TypeError: cannot unpack non-iterable NoneType object 
    95284  
    95285 File
    95286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95287 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95288 etype, evalue, etraceback = exc_info 
    95289  
    95290 See log for complete Python traceback. 
    95291  
    95292 Traceback (most recent call last): 
    95293 File
    95294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95295 packages/chimerax/core/triggerset.py", line 130, in invoke 
    95296 return self._func(self._name, data) 
    95297 File
    95298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95299 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    95300 if v.display: 
    95301 File
    95302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95303 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    95304 return self._any_displayed_positions and len(self._positions) > 0 
    95305 TypeError: object of type 'NoneType' has no len() 
    95306  
    95307 During handling of the above exception, another exception occurred: 
    95308  
    95309 Traceback (most recent call last): 
    95310 File
    95311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95312 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    95313 if not self.draw_new_frame(): 
    95314 File
    95315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95316 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    95317 changed = view.check_for_drawing_change() 
    95318 File
    95319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95320 packages/chimerax/core/graphics/view.py", line 252, in
    95321 check_for_drawing_change 
    95322 trig.activate_trigger('graphics update', self) 
    95323 File
    95324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95325 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    95326 trigger.activate(data) 
    95327 File
    95328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95329 packages/chimerax/core/triggerset.py", line 190, in activate 
    95330 ret = handler.invoke(data, self._remove_bad_handlers) 
    95331 File
    95332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95333 packages/chimerax/core/triggerset.py", line 132, in invoke 
    95334 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    95335 File
    95336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95337 packages/chimerax/core/session.py", line 943, in <lambda> 
    95338 logger.report_exception(preface=preface)) 
    95339 File
    95340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95341 packages/chimerax/core/logger.py", line 421, in report_exception 
    95342 elif probably_chimera1_session(exc_info): 
    95343 File
    95344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95345 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95346 etype, evalue, etraceback = exc_info 
    95347 TypeError: cannot unpack non-iterable NoneType object 
    95348  
    95349 TypeError: cannot unpack non-iterable NoneType object 
    95350  
    95351 File
    95352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95353 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95354 etype, evalue, etraceback = exc_info 
    95355  
    95356 See log for complete Python traceback. 
    95357  
    95358 Traceback (most recent call last): 
    95359 File
    95360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95361 packages/chimerax/core/triggerset.py", line 130, in invoke 
    95362 return self._func(self._name, data) 
    95363 File
    95364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95365 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    95366 if v.display: 
    95367 File
    95368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95369 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    95370 return self._any_displayed_positions and len(self._positions) > 0 
    95371 TypeError: object of type 'NoneType' has no len() 
    95372  
    95373 During handling of the above exception, another exception occurred: 
    95374  
    95375 Traceback (most recent call last): 
    95376 File
    95377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95378 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    95379 if not self.draw_new_frame(): 
    95380 File
    95381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95382 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    95383 changed = view.check_for_drawing_change() 
    95384 File
    95385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95386 packages/chimerax/core/graphics/view.py", line 252, in
    95387 check_for_drawing_change 
    95388 trig.activate_trigger('graphics update', self) 
    95389 File
    95390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95391 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    95392 trigger.activate(data) 
    95393 File
    95394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95395 packages/chimerax/core/triggerset.py", line 190, in activate 
    95396 ret = handler.invoke(data, self._remove_bad_handlers) 
    95397 File
    95398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95399 packages/chimerax/core/triggerset.py", line 132, in invoke 
    95400 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    95401 File
    95402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95403 packages/chimerax/core/session.py", line 943, in <lambda> 
    95404 logger.report_exception(preface=preface)) 
    95405 File
    95406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95407 packages/chimerax/core/logger.py", line 421, in report_exception 
    95408 elif probably_chimera1_session(exc_info): 
    95409 File
    95410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95411 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95412 etype, evalue, etraceback = exc_info 
    95413 TypeError: cannot unpack non-iterable NoneType object 
    95414  
    95415 TypeError: cannot unpack non-iterable NoneType object 
    95416  
    95417 File
    95418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95419 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95420 etype, evalue, etraceback = exc_info 
    95421  
    95422 See log for complete Python traceback. 
    95423  
    95424 Traceback (most recent call last): 
    95425 File
    95426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95427 packages/chimerax/core/triggerset.py", line 130, in invoke 
    95428 return self._func(self._name, data) 
    95429 File
    95430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95431 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    95432 if v.display: 
    95433 File
    95434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95435 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    95436 return self._any_displayed_positions and len(self._positions) > 0 
    95437 TypeError: object of type 'NoneType' has no len() 
    95438  
    95439 During handling of the above exception, another exception occurred: 
    95440  
    95441 Traceback (most recent call last): 
    95442 File
    95443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95444 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    95445 if not self.draw_new_frame(): 
    95446 File
    95447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95448 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    95449 changed = view.check_for_drawing_change() 
    95450 File
    95451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95452 packages/chimerax/core/graphics/view.py", line 252, in
    95453 check_for_drawing_change 
    95454 trig.activate_trigger('graphics update', self) 
    95455 File
    95456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95457 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    95458 trigger.activate(data) 
    95459 File
    95460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95461 packages/chimerax/core/triggerset.py", line 190, in activate 
    95462 ret = handler.invoke(data, self._remove_bad_handlers) 
    95463 File
    95464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95465 packages/chimerax/core/triggerset.py", line 132, in invoke 
    95466 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    95467 File
    95468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95469 packages/chimerax/core/session.py", line 943, in <lambda> 
    95470 logger.report_exception(preface=preface)) 
    95471 File
    95472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95473 packages/chimerax/core/logger.py", line 421, in report_exception 
    95474 elif probably_chimera1_session(exc_info): 
    95475 File
    95476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95477 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95478 etype, evalue, etraceback = exc_info 
    95479 TypeError: cannot unpack non-iterable NoneType object 
    95480  
    95481 TypeError: cannot unpack non-iterable NoneType object 
    95482  
    95483 File
    95484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95485 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95486 etype, evalue, etraceback = exc_info 
    95487  
    95488 See log for complete Python traceback. 
    95489  
    95490 Traceback (most recent call last): 
    95491 File
    95492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95493 packages/chimerax/core/triggerset.py", line 130, in invoke 
    95494 return self._func(self._name, data) 
    95495 File
    95496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95497 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    95498 if v.display: 
    95499 File
    95500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95501 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    95502 return self._any_displayed_positions and len(self._positions) > 0 
    95503 TypeError: object of type 'NoneType' has no len() 
    95504  
    95505 During handling of the above exception, another exception occurred: 
    95506  
    95507 Traceback (most recent call last): 
    95508 File
    95509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95510 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    95511 if not self.draw_new_frame(): 
    95512 File
    95513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95514 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    95515 changed = view.check_for_drawing_change() 
    95516 File
    95517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95518 packages/chimerax/core/graphics/view.py", line 252, in
    95519 check_for_drawing_change 
    95520 trig.activate_trigger('graphics update', self) 
    95521 File
    95522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95523 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    95524 trigger.activate(data) 
    95525 File
    95526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95527 packages/chimerax/core/triggerset.py", line 190, in activate 
    95528 ret = handler.invoke(data, self._remove_bad_handlers) 
    95529 File
    95530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95531 packages/chimerax/core/triggerset.py", line 132, in invoke 
    95532 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    95533 File
    95534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95535 packages/chimerax/core/session.py", line 943, in <lambda> 
    95536 logger.report_exception(preface=preface)) 
    95537 File
    95538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95539 packages/chimerax/core/logger.py", line 421, in report_exception 
    95540 elif probably_chimera1_session(exc_info): 
    95541 File
    95542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95543 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95544 etype, evalue, etraceback = exc_info 
    95545 TypeError: cannot unpack non-iterable NoneType object 
    95546  
    95547 TypeError: cannot unpack non-iterable NoneType object 
    95548  
    95549 File
    95550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95551 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95552 etype, evalue, etraceback = exc_info 
    95553  
    95554 See log for complete Python traceback. 
    95555  
    95556 Traceback (most recent call last): 
    95557 File
    95558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95559 packages/chimerax/core/triggerset.py", line 130, in invoke 
    95560 return self._func(self._name, data) 
    95561 File
    95562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95563 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    95564 if v.display: 
    95565 File
    95566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95567 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    95568 return self._any_displayed_positions and len(self._positions) > 0 
    95569 TypeError: object of type 'NoneType' has no len() 
    95570  
    95571 During handling of the above exception, another exception occurred: 
    95572  
    95573 Traceback (most recent call last): 
    95574 File
    95575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95576 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    95577 if not self.draw_new_frame(): 
    95578 File
    95579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95580 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    95581 changed = view.check_for_drawing_change() 
    95582 File
    95583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95584 packages/chimerax/core/graphics/view.py", line 252, in
    95585 check_for_drawing_change 
    95586 trig.activate_trigger('graphics update', self) 
    95587 File
    95588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95589 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    95590 trigger.activate(data) 
    95591 File
    95592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95593 packages/chimerax/core/triggerset.py", line 190, in activate 
    95594 ret = handler.invoke(data, self._remove_bad_handlers) 
    95595 File
    95596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95597 packages/chimerax/core/triggerset.py", line 132, in invoke 
    95598 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    95599 File
    95600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95601 packages/chimerax/core/session.py", line 943, in <lambda> 
    95602 logger.report_exception(preface=preface)) 
    95603 File
    95604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95605 packages/chimerax/core/logger.py", line 421, in report_exception 
    95606 elif probably_chimera1_session(exc_info): 
    95607 File
    95608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95609 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95610 etype, evalue, etraceback = exc_info 
    95611 TypeError: cannot unpack non-iterable NoneType object 
    95612  
    95613 TypeError: cannot unpack non-iterable NoneType object 
    95614  
    95615 File
    95616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95617 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95618 etype, evalue, etraceback = exc_info 
    95619  
    95620 See log for complete Python traceback. 
    95621  
    95622 Traceback (most recent call last): 
    95623 File
    95624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95625 packages/chimerax/core/triggerset.py", line 130, in invoke 
    95626 return self._func(self._name, data) 
    95627 File
    95628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95629 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    95630 if v.display: 
    95631 File
    95632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95633 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    95634 return self._any_displayed_positions and len(self._positions) > 0 
    95635 TypeError: object of type 'NoneType' has no len() 
    95636  
    95637 During handling of the above exception, another exception occurred: 
    95638  
    95639 Traceback (most recent call last): 
    95640 File
    95641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95642 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    95643 if not self.draw_new_frame(): 
    95644 File
    95645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95646 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    95647 changed = view.check_for_drawing_change() 
    95648 File
    95649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95650 packages/chimerax/core/graphics/view.py", line 252, in
    95651 check_for_drawing_change 
    95652 trig.activate_trigger('graphics update', self) 
    95653 File
    95654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95655 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    95656 trigger.activate(data) 
    95657 File
    95658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95659 packages/chimerax/core/triggerset.py", line 190, in activate 
    95660 ret = handler.invoke(data, self._remove_bad_handlers) 
    95661 File
    95662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95663 packages/chimerax/core/triggerset.py", line 132, in invoke 
    95664 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    95665 File
    95666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95667 packages/chimerax/core/session.py", line 943, in <lambda> 
    95668 logger.report_exception(preface=preface)) 
    95669 File
    95670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95671 packages/chimerax/core/logger.py", line 421, in report_exception 
    95672 elif probably_chimera1_session(exc_info): 
    95673 File
    95674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95675 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95676 etype, evalue, etraceback = exc_info 
    95677 TypeError: cannot unpack non-iterable NoneType object 
    95678  
    95679 TypeError: cannot unpack non-iterable NoneType object 
    95680  
    95681 File
    95682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95683 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95684 etype, evalue, etraceback = exc_info 
    95685  
    95686 See log for complete Python traceback. 
    95687  
    95688 Traceback (most recent call last): 
    95689 File
    95690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95691 packages/chimerax/core/triggerset.py", line 130, in invoke 
    95692 return self._func(self._name, data) 
    95693 File
    95694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95695 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    95696 if v.display: 
    95697 File
    95698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95699 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    95700 return self._any_displayed_positions and len(self._positions) > 0 
    95701 TypeError: object of type 'NoneType' has no len() 
    95702  
    95703 During handling of the above exception, another exception occurred: 
    95704  
    95705 Traceback (most recent call last): 
    95706 File
    95707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95708 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    95709 if not self.draw_new_frame(): 
    95710 File
    95711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95712 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    95713 changed = view.check_for_drawing_change() 
    95714 File
    95715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95716 packages/chimerax/core/graphics/view.py", line 252, in
    95717 check_for_drawing_change 
    95718 trig.activate_trigger('graphics update', self) 
    95719 File
    95720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95721 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    95722 trigger.activate(data) 
    95723 File
    95724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95725 packages/chimerax/core/triggerset.py", line 190, in activate 
    95726 ret = handler.invoke(data, self._remove_bad_handlers) 
    95727 File
    95728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95729 packages/chimerax/core/triggerset.py", line 132, in invoke 
    95730 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    95731 File
    95732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95733 packages/chimerax/core/session.py", line 943, in <lambda> 
    95734 logger.report_exception(preface=preface)) 
    95735 File
    95736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95737 packages/chimerax/core/logger.py", line 421, in report_exception 
    95738 elif probably_chimera1_session(exc_info): 
    95739 File
    95740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95741 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95742 etype, evalue, etraceback = exc_info 
    95743 TypeError: cannot unpack non-iterable NoneType object 
    95744  
    95745 TypeError: cannot unpack non-iterable NoneType object 
    95746  
    95747 File
    95748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95749 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95750 etype, evalue, etraceback = exc_info 
    95751  
    95752 See log for complete Python traceback. 
    95753  
    95754 Traceback (most recent call last): 
    95755 File
    95756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95757 packages/chimerax/core/triggerset.py", line 130, in invoke 
    95758 return self._func(self._name, data) 
    95759 File
    95760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95761 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    95762 if v.display: 
    95763 File
    95764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95765 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    95766 return self._any_displayed_positions and len(self._positions) > 0 
    95767 TypeError: object of type 'NoneType' has no len() 
    95768  
    95769 During handling of the above exception, another exception occurred: 
    95770  
    95771 Traceback (most recent call last): 
    95772 File
    95773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95774 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    95775 if not self.draw_new_frame(): 
    95776 File
    95777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95778 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    95779 changed = view.check_for_drawing_change() 
    95780 File
    95781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95782 packages/chimerax/core/graphics/view.py", line 252, in
    95783 check_for_drawing_change 
    95784 trig.activate_trigger('graphics update', self) 
    95785 File
    95786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95787 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    95788 trigger.activate(data) 
    95789 File
    95790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95791 packages/chimerax/core/triggerset.py", line 190, in activate 
    95792 ret = handler.invoke(data, self._remove_bad_handlers) 
    95793 File
    95794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95795 packages/chimerax/core/triggerset.py", line 132, in invoke 
    95796 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    95797 File
    95798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95799 packages/chimerax/core/session.py", line 943, in <lambda> 
    95800 logger.report_exception(preface=preface)) 
    95801 File
    95802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95803 packages/chimerax/core/logger.py", line 421, in report_exception 
    95804 elif probably_chimera1_session(exc_info): 
    95805 File
    95806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95807 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95808 etype, evalue, etraceback = exc_info 
    95809 TypeError: cannot unpack non-iterable NoneType object 
    95810  
    95811 TypeError: cannot unpack non-iterable NoneType object 
    95812  
    95813 File
    95814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95815 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95816 etype, evalue, etraceback = exc_info 
    95817  
    95818 See log for complete Python traceback. 
    95819  
    95820 Traceback (most recent call last): 
    95821 File
    95822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95823 packages/chimerax/core/triggerset.py", line 130, in invoke 
    95824 return self._func(self._name, data) 
    95825 File
    95826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95827 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    95828 if v.display: 
    95829 File
    95830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95831 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    95832 return self._any_displayed_positions and len(self._positions) > 0 
    95833 TypeError: object of type 'NoneType' has no len() 
    95834  
    95835 During handling of the above exception, another exception occurred: 
    95836  
    95837 Traceback (most recent call last): 
    95838 File
    95839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95840 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    95841 if not self.draw_new_frame(): 
    95842 File
    95843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95844 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    95845 changed = view.check_for_drawing_change() 
    95846 File
    95847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95848 packages/chimerax/core/graphics/view.py", line 252, in
    95849 check_for_drawing_change 
    95850 trig.activate_trigger('graphics update', self) 
    95851 File
    95852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95853 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    95854 trigger.activate(data) 
    95855 File
    95856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95857 packages/chimerax/core/triggerset.py", line 190, in activate 
    95858 ret = handler.invoke(data, self._remove_bad_handlers) 
    95859 File
    95860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95861 packages/chimerax/core/triggerset.py", line 132, in invoke 
    95862 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    95863 File
    95864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95865 packages/chimerax/core/session.py", line 943, in <lambda> 
    95866 logger.report_exception(preface=preface)) 
    95867 File
    95868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95869 packages/chimerax/core/logger.py", line 421, in report_exception 
    95870 elif probably_chimera1_session(exc_info): 
    95871 File
    95872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95873 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95874 etype, evalue, etraceback = exc_info 
    95875 TypeError: cannot unpack non-iterable NoneType object 
    95876  
    95877 TypeError: cannot unpack non-iterable NoneType object 
    95878  
    95879 File
    95880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95881 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95882 etype, evalue, etraceback = exc_info 
    95883  
    95884 See log for complete Python traceback. 
    95885  
    95886 Traceback (most recent call last): 
    95887 File
    95888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95889 packages/chimerax/core/triggerset.py", line 130, in invoke 
    95890 return self._func(self._name, data) 
    95891 File
    95892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95893 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    95894 if v.display: 
    95895 File
    95896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95897 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    95898 return self._any_displayed_positions and len(self._positions) > 0 
    95899 TypeError: object of type 'NoneType' has no len() 
    95900  
    95901 During handling of the above exception, another exception occurred: 
    95902  
    95903 Traceback (most recent call last): 
    95904 File
    95905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95906 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    95907 if not self.draw_new_frame(): 
    95908 File
    95909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95910 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    95911 changed = view.check_for_drawing_change() 
    95912 File
    95913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95914 packages/chimerax/core/graphics/view.py", line 252, in
    95915 check_for_drawing_change 
    95916 trig.activate_trigger('graphics update', self) 
    95917 File
    95918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95919 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    95920 trigger.activate(data) 
    95921 File
    95922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95923 packages/chimerax/core/triggerset.py", line 190, in activate 
    95924 ret = handler.invoke(data, self._remove_bad_handlers) 
    95925 File
    95926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95927 packages/chimerax/core/triggerset.py", line 132, in invoke 
    95928 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    95929 File
    95930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95931 packages/chimerax/core/session.py", line 943, in <lambda> 
    95932 logger.report_exception(preface=preface)) 
    95933 File
    95934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95935 packages/chimerax/core/logger.py", line 421, in report_exception 
    95936 elif probably_chimera1_session(exc_info): 
    95937 File
    95938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95939 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95940 etype, evalue, etraceback = exc_info 
    95941 TypeError: cannot unpack non-iterable NoneType object 
    95942  
    95943 TypeError: cannot unpack non-iterable NoneType object 
    95944  
    95945 File
    95946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95947 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    95948 etype, evalue, etraceback = exc_info 
    95949  
    95950 See log for complete Python traceback. 
    95951  
    95952 Traceback (most recent call last): 
    95953 File
    95954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95955 packages/chimerax/core/triggerset.py", line 130, in invoke 
    95956 return self._func(self._name, data) 
    95957 File
    95958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95959 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    95960 if v.display: 
    95961 File
    95962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95963 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    95964 return self._any_displayed_positions and len(self._positions) > 0 
    95965 TypeError: object of type 'NoneType' has no len() 
    95966  
    95967 During handling of the above exception, another exception occurred: 
    95968  
    95969 Traceback (most recent call last): 
    95970 File
    95971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95972 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    95973 if not self.draw_new_frame(): 
    95974 File
    95975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95976 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    95977 changed = view.check_for_drawing_change() 
    95978 File
    95979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95980 packages/chimerax/core/graphics/view.py", line 252, in
    95981 check_for_drawing_change 
    95982 trig.activate_trigger('graphics update', self) 
    95983 File
    95984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95985 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    95986 trigger.activate(data) 
    95987 File
    95988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95989 packages/chimerax/core/triggerset.py", line 190, in activate 
    95990 ret = handler.invoke(data, self._remove_bad_handlers) 
    95991 File
    95992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95993 packages/chimerax/core/triggerset.py", line 132, in invoke 
    95994 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    95995 File
    95996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    95997 packages/chimerax/core/session.py", line 943, in <lambda> 
    95998 logger.report_exception(preface=preface)) 
    95999 File
    96000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96001 packages/chimerax/core/logger.py", line 421, in report_exception 
    96002 elif probably_chimera1_session(exc_info): 
    96003 File
    96004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96005 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96006 etype, evalue, etraceback = exc_info 
    96007 TypeError: cannot unpack non-iterable NoneType object 
    96008  
    96009 TypeError: cannot unpack non-iterable NoneType object 
    96010  
    96011 File
    96012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96013 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96014 etype, evalue, etraceback = exc_info 
    96015  
    96016 See log for complete Python traceback. 
    96017  
    96018 Traceback (most recent call last): 
    96019 File
    96020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96021 packages/chimerax/core/triggerset.py", line 130, in invoke 
    96022 return self._func(self._name, data) 
    96023 File
    96024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96025 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    96026 if v.display: 
    96027 File
    96028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96029 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    96030 return self._any_displayed_positions and len(self._positions) > 0 
    96031 TypeError: object of type 'NoneType' has no len() 
    96032  
    96033 During handling of the above exception, another exception occurred: 
    96034  
    96035 Traceback (most recent call last): 
    96036 File
    96037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96038 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    96039 if not self.draw_new_frame(): 
    96040 File
    96041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96042 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    96043 changed = view.check_for_drawing_change() 
    96044 File
    96045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96046 packages/chimerax/core/graphics/view.py", line 252, in
    96047 check_for_drawing_change 
    96048 trig.activate_trigger('graphics update', self) 
    96049 File
    96050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96051 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    96052 trigger.activate(data) 
    96053 File
    96054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96055 packages/chimerax/core/triggerset.py", line 190, in activate 
    96056 ret = handler.invoke(data, self._remove_bad_handlers) 
    96057 File
    96058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96059 packages/chimerax/core/triggerset.py", line 132, in invoke 
    96060 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    96061 File
    96062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96063 packages/chimerax/core/session.py", line 943, in <lambda> 
    96064 logger.report_exception(preface=preface)) 
    96065 File
    96066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96067 packages/chimerax/core/logger.py", line 421, in report_exception 
    96068 elif probably_chimera1_session(exc_info): 
    96069 File
    96070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96071 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96072 etype, evalue, etraceback = exc_info 
    96073 TypeError: cannot unpack non-iterable NoneType object 
    96074  
    96075 TypeError: cannot unpack non-iterable NoneType object 
    96076  
    96077 File
    96078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96079 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96080 etype, evalue, etraceback = exc_info 
    96081  
    96082 See log for complete Python traceback. 
    96083  
    96084 Traceback (most recent call last): 
    96085 File
    96086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96087 packages/chimerax/core/triggerset.py", line 130, in invoke 
    96088 return self._func(self._name, data) 
    96089 File
    96090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96091 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    96092 if v.display: 
    96093 File
    96094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96095 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    96096 return self._any_displayed_positions and len(self._positions) > 0 
    96097 TypeError: object of type 'NoneType' has no len() 
    96098  
    96099 During handling of the above exception, another exception occurred: 
    96100  
    96101 Traceback (most recent call last): 
    96102 File
    96103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96104 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    96105 if not self.draw_new_frame(): 
    96106 File
    96107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96108 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    96109 changed = view.check_for_drawing_change() 
    96110 File
    96111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96112 packages/chimerax/core/graphics/view.py", line 252, in
    96113 check_for_drawing_change 
    96114 trig.activate_trigger('graphics update', self) 
    96115 File
    96116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96117 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    96118 trigger.activate(data) 
    96119 File
    96120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96121 packages/chimerax/core/triggerset.py", line 190, in activate 
    96122 ret = handler.invoke(data, self._remove_bad_handlers) 
    96123 File
    96124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96125 packages/chimerax/core/triggerset.py", line 132, in invoke 
    96126 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    96127 File
    96128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96129 packages/chimerax/core/session.py", line 943, in <lambda> 
    96130 logger.report_exception(preface=preface)) 
    96131 File
    96132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96133 packages/chimerax/core/logger.py", line 421, in report_exception 
    96134 elif probably_chimera1_session(exc_info): 
    96135 File
    96136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96137 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96138 etype, evalue, etraceback = exc_info 
    96139 TypeError: cannot unpack non-iterable NoneType object 
    96140  
    96141 TypeError: cannot unpack non-iterable NoneType object 
    96142  
    96143 File
    96144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96145 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96146 etype, evalue, etraceback = exc_info 
    96147  
    96148 See log for complete Python traceback. 
    96149  
    96150 Traceback (most recent call last): 
    96151 File
    96152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96153 packages/chimerax/core/triggerset.py", line 130, in invoke 
    96154 return self._func(self._name, data) 
    96155 File
    96156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96157 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    96158 if v.display: 
    96159 File
    96160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96161 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    96162 return self._any_displayed_positions and len(self._positions) > 0 
    96163 TypeError: object of type 'NoneType' has no len() 
    96164  
    96165 During handling of the above exception, another exception occurred: 
    96166  
    96167 Traceback (most recent call last): 
    96168 File
    96169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96170 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    96171 if not self.draw_new_frame(): 
    96172 File
    96173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96174 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    96175 changed = view.check_for_drawing_change() 
    96176 File
    96177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96178 packages/chimerax/core/graphics/view.py", line 252, in
    96179 check_for_drawing_change 
    96180 trig.activate_trigger('graphics update', self) 
    96181 File
    96182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96183 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    96184 trigger.activate(data) 
    96185 File
    96186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96187 packages/chimerax/core/triggerset.py", line 190, in activate 
    96188 ret = handler.invoke(data, self._remove_bad_handlers) 
    96189 File
    96190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96191 packages/chimerax/core/triggerset.py", line 132, in invoke 
    96192 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    96193 File
    96194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96195 packages/chimerax/core/session.py", line 943, in <lambda> 
    96196 logger.report_exception(preface=preface)) 
    96197 File
    96198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96199 packages/chimerax/core/logger.py", line 421, in report_exception 
    96200 elif probably_chimera1_session(exc_info): 
    96201 File
    96202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96203 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96204 etype, evalue, etraceback = exc_info 
    96205 TypeError: cannot unpack non-iterable NoneType object 
    96206  
    96207 TypeError: cannot unpack non-iterable NoneType object 
    96208  
    96209 File
    96210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96211 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96212 etype, evalue, etraceback = exc_info 
    96213  
    96214 See log for complete Python traceback. 
    96215  
    96216 Traceback (most recent call last): 
    96217 File
    96218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96219 packages/chimerax/core/triggerset.py", line 130, in invoke 
    96220 return self._func(self._name, data) 
    96221 File
    96222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96223 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    96224 if v.display: 
    96225 File
    96226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96227 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    96228 return self._any_displayed_positions and len(self._positions) > 0 
    96229 TypeError: object of type 'NoneType' has no len() 
    96230  
    96231 During handling of the above exception, another exception occurred: 
    96232  
    96233 Traceback (most recent call last): 
    96234 File
    96235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96236 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    96237 if not self.draw_new_frame(): 
    96238 File
    96239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96240 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    96241 changed = view.check_for_drawing_change() 
    96242 File
    96243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96244 packages/chimerax/core/graphics/view.py", line 252, in
    96245 check_for_drawing_change 
    96246 trig.activate_trigger('graphics update', self) 
    96247 File
    96248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96249 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    96250 trigger.activate(data) 
    96251 File
    96252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96253 packages/chimerax/core/triggerset.py", line 190, in activate 
    96254 ret = handler.invoke(data, self._remove_bad_handlers) 
    96255 File
    96256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96257 packages/chimerax/core/triggerset.py", line 132, in invoke 
    96258 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    96259 File
    96260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96261 packages/chimerax/core/session.py", line 943, in <lambda> 
    96262 logger.report_exception(preface=preface)) 
    96263 File
    96264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96265 packages/chimerax/core/logger.py", line 421, in report_exception 
    96266 elif probably_chimera1_session(exc_info): 
    96267 File
    96268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96269 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96270 etype, evalue, etraceback = exc_info 
    96271 TypeError: cannot unpack non-iterable NoneType object 
    96272  
    96273 TypeError: cannot unpack non-iterable NoneType object 
    96274  
    96275 File
    96276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96277 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96278 etype, evalue, etraceback = exc_info 
    96279  
    96280 See log for complete Python traceback. 
    96281  
    96282 Traceback (most recent call last): 
    96283 File
    96284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96285 packages/chimerax/core/triggerset.py", line 130, in invoke 
    96286 return self._func(self._name, data) 
    96287 File
    96288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96289 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    96290 if v.display: 
    96291 File
    96292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96293 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    96294 return self._any_displayed_positions and len(self._positions) > 0 
    96295 TypeError: object of type 'NoneType' has no len() 
    96296  
    96297 During handling of the above exception, another exception occurred: 
    96298  
    96299 Traceback (most recent call last): 
    96300 File
    96301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96302 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    96303 if not self.draw_new_frame(): 
    96304 File
    96305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96306 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    96307 changed = view.check_for_drawing_change() 
    96308 File
    96309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96310 packages/chimerax/core/graphics/view.py", line 252, in
    96311 check_for_drawing_change 
    96312 trig.activate_trigger('graphics update', self) 
    96313 File
    96314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96315 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    96316 trigger.activate(data) 
    96317 File
    96318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96319 packages/chimerax/core/triggerset.py", line 190, in activate 
    96320 ret = handler.invoke(data, self._remove_bad_handlers) 
    96321 File
    96322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96323 packages/chimerax/core/triggerset.py", line 132, in invoke 
    96324 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    96325 File
    96326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96327 packages/chimerax/core/session.py", line 943, in <lambda> 
    96328 logger.report_exception(preface=preface)) 
    96329 File
    96330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96331 packages/chimerax/core/logger.py", line 421, in report_exception 
    96332 elif probably_chimera1_session(exc_info): 
    96333 File
    96334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96335 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96336 etype, evalue, etraceback = exc_info 
    96337 TypeError: cannot unpack non-iterable NoneType object 
    96338  
    96339 TypeError: cannot unpack non-iterable NoneType object 
    96340  
    96341 File
    96342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96343 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96344 etype, evalue, etraceback = exc_info 
    96345  
    96346 See log for complete Python traceback. 
    96347  
    96348 Traceback (most recent call last): 
    96349 File
    96350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96351 packages/chimerax/core/triggerset.py", line 130, in invoke 
    96352 return self._func(self._name, data) 
    96353 File
    96354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96355 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    96356 if v.display: 
    96357 File
    96358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96359 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    96360 return self._any_displayed_positions and len(self._positions) > 0 
    96361 TypeError: object of type 'NoneType' has no len() 
    96362  
    96363 During handling of the above exception, another exception occurred: 
    96364  
    96365 Traceback (most recent call last): 
    96366 File
    96367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96368 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    96369 if not self.draw_new_frame(): 
    96370 File
    96371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96372 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    96373 changed = view.check_for_drawing_change() 
    96374 File
    96375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96376 packages/chimerax/core/graphics/view.py", line 252, in
    96377 check_for_drawing_change 
    96378 trig.activate_trigger('graphics update', self) 
    96379 File
    96380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96381 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    96382 trigger.activate(data) 
    96383 File
    96384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96385 packages/chimerax/core/triggerset.py", line 190, in activate 
    96386 ret = handler.invoke(data, self._remove_bad_handlers) 
    96387 File
    96388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96389 packages/chimerax/core/triggerset.py", line 132, in invoke 
    96390 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    96391 File
    96392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96393 packages/chimerax/core/session.py", line 943, in <lambda> 
    96394 logger.report_exception(preface=preface)) 
    96395 File
    96396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96397 packages/chimerax/core/logger.py", line 421, in report_exception 
    96398 elif probably_chimera1_session(exc_info): 
    96399 File
    96400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96401 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96402 etype, evalue, etraceback = exc_info 
    96403 TypeError: cannot unpack non-iterable NoneType object 
    96404  
    96405 TypeError: cannot unpack non-iterable NoneType object 
    96406  
    96407 File
    96408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96409 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96410 etype, evalue, etraceback = exc_info 
    96411  
    96412 See log for complete Python traceback. 
    96413  
    96414 Traceback (most recent call last): 
    96415 File
    96416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96417 packages/chimerax/core/triggerset.py", line 130, in invoke 
    96418 return self._func(self._name, data) 
    96419 File
    96420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96421 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    96422 if v.display: 
    96423 File
    96424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96425 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    96426 return self._any_displayed_positions and len(self._positions) > 0 
    96427 TypeError: object of type 'NoneType' has no len() 
    96428  
    96429 During handling of the above exception, another exception occurred: 
    96430  
    96431 Traceback (most recent call last): 
    96432 File
    96433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96434 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    96435 if not self.draw_new_frame(): 
    96436 File
    96437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96438 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    96439 changed = view.check_for_drawing_change() 
    96440 File
    96441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96442 packages/chimerax/core/graphics/view.py", line 252, in
    96443 check_for_drawing_change 
    96444 trig.activate_trigger('graphics update', self) 
    96445 File
    96446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96447 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    96448 trigger.activate(data) 
    96449 File
    96450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96451 packages/chimerax/core/triggerset.py", line 190, in activate 
    96452 ret = handler.invoke(data, self._remove_bad_handlers) 
    96453 File
    96454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96455 packages/chimerax/core/triggerset.py", line 132, in invoke 
    96456 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    96457 File
    96458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96459 packages/chimerax/core/session.py", line 943, in <lambda> 
    96460 logger.report_exception(preface=preface)) 
    96461 File
    96462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96463 packages/chimerax/core/logger.py", line 421, in report_exception 
    96464 elif probably_chimera1_session(exc_info): 
    96465 File
    96466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96467 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96468 etype, evalue, etraceback = exc_info 
    96469 TypeError: cannot unpack non-iterable NoneType object 
    96470  
    96471 TypeError: cannot unpack non-iterable NoneType object 
    96472  
    96473 File
    96474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96475 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96476 etype, evalue, etraceback = exc_info 
    96477  
    96478 See log for complete Python traceback. 
    96479  
    96480 Traceback (most recent call last): 
    96481 File
    96482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96483 packages/chimerax/core/triggerset.py", line 130, in invoke 
    96484 return self._func(self._name, data) 
    96485 File
    96486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96487 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    96488 if v.display: 
    96489 File
    96490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96491 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    96492 return self._any_displayed_positions and len(self._positions) > 0 
    96493 TypeError: object of type 'NoneType' has no len() 
    96494  
    96495 During handling of the above exception, another exception occurred: 
    96496  
    96497 Traceback (most recent call last): 
    96498 File
    96499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96500 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    96501 if not self.draw_new_frame(): 
    96502 File
    96503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96504 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    96505 changed = view.check_for_drawing_change() 
    96506 File
    96507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96508 packages/chimerax/core/graphics/view.py", line 252, in
    96509 check_for_drawing_change 
    96510 trig.activate_trigger('graphics update', self) 
    96511 File
    96512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96513 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    96514 trigger.activate(data) 
    96515 File
    96516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96517 packages/chimerax/core/triggerset.py", line 190, in activate 
    96518 ret = handler.invoke(data, self._remove_bad_handlers) 
    96519 File
    96520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96521 packages/chimerax/core/triggerset.py", line 132, in invoke 
    96522 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    96523 File
    96524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96525 packages/chimerax/core/session.py", line 943, in <lambda> 
    96526 logger.report_exception(preface=preface)) 
    96527 File
    96528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96529 packages/chimerax/core/logger.py", line 421, in report_exception 
    96530 elif probably_chimera1_session(exc_info): 
    96531 File
    96532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96533 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96534 etype, evalue, etraceback = exc_info 
    96535 TypeError: cannot unpack non-iterable NoneType object 
    96536  
    96537 TypeError: cannot unpack non-iterable NoneType object 
    96538  
    96539 File
    96540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96541 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96542 etype, evalue, etraceback = exc_info 
    96543  
    96544 See log for complete Python traceback. 
    96545  
    96546 Traceback (most recent call last): 
    96547 File
    96548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96549 packages/chimerax/core/triggerset.py", line 130, in invoke 
    96550 return self._func(self._name, data) 
    96551 File
    96552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96553 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    96554 if v.display: 
    96555 File
    96556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96557 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    96558 return self._any_displayed_positions and len(self._positions) > 0 
    96559 TypeError: object of type 'NoneType' has no len() 
    96560  
    96561 During handling of the above exception, another exception occurred: 
    96562  
    96563 Traceback (most recent call last): 
    96564 File
    96565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96566 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    96567 if not self.draw_new_frame(): 
    96568 File
    96569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96570 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    96571 changed = view.check_for_drawing_change() 
    96572 File
    96573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96574 packages/chimerax/core/graphics/view.py", line 252, in
    96575 check_for_drawing_change 
    96576 trig.activate_trigger('graphics update', self) 
    96577 File
    96578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96579 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    96580 trigger.activate(data) 
    96581 File
    96582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96583 packages/chimerax/core/triggerset.py", line 190, in activate 
    96584 ret = handler.invoke(data, self._remove_bad_handlers) 
    96585 File
    96586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96587 packages/chimerax/core/triggerset.py", line 132, in invoke 
    96588 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    96589 File
    96590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96591 packages/chimerax/core/session.py", line 943, in <lambda> 
    96592 logger.report_exception(preface=preface)) 
    96593 File
    96594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96595 packages/chimerax/core/logger.py", line 421, in report_exception 
    96596 elif probably_chimera1_session(exc_info): 
    96597 File
    96598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96599 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96600 etype, evalue, etraceback = exc_info 
    96601 TypeError: cannot unpack non-iterable NoneType object 
    96602  
    96603 TypeError: cannot unpack non-iterable NoneType object 
    96604  
    96605 File
    96606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96607 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96608 etype, evalue, etraceback = exc_info 
    96609  
    96610 See log for complete Python traceback. 
    96611  
    96612 Traceback (most recent call last): 
    96613 File
    96614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96615 packages/chimerax/core/triggerset.py", line 130, in invoke 
    96616 return self._func(self._name, data) 
    96617 File
    96618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96619 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    96620 if v.display: 
    96621 File
    96622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96623 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    96624 return self._any_displayed_positions and len(self._positions) > 0 
    96625 TypeError: object of type 'NoneType' has no len() 
    96626  
    96627 During handling of the above exception, another exception occurred: 
    96628  
    96629 Traceback (most recent call last): 
    96630 File
    96631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96632 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    96633 if not self.draw_new_frame(): 
    96634 File
    96635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96636 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    96637 changed = view.check_for_drawing_change() 
    96638 File
    96639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96640 packages/chimerax/core/graphics/view.py", line 252, in
    96641 check_for_drawing_change 
    96642 trig.activate_trigger('graphics update', self) 
    96643 File
    96644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96645 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    96646 trigger.activate(data) 
    96647 File
    96648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96649 packages/chimerax/core/triggerset.py", line 190, in activate 
    96650 ret = handler.invoke(data, self._remove_bad_handlers) 
    96651 File
    96652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96653 packages/chimerax/core/triggerset.py", line 132, in invoke 
    96654 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    96655 File
    96656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96657 packages/chimerax/core/session.py", line 943, in <lambda> 
    96658 logger.report_exception(preface=preface)) 
    96659 File
    96660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96661 packages/chimerax/core/logger.py", line 421, in report_exception 
    96662 elif probably_chimera1_session(exc_info): 
    96663 File
    96664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96665 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96666 etype, evalue, etraceback = exc_info 
    96667 TypeError: cannot unpack non-iterable NoneType object 
    96668  
    96669 TypeError: cannot unpack non-iterable NoneType object 
    96670  
    96671 File
    96672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96673 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96674 etype, evalue, etraceback = exc_info 
    96675  
    96676 See log for complete Python traceback. 
    96677  
    96678 Traceback (most recent call last): 
    96679 File
    96680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96681 packages/chimerax/core/triggerset.py", line 130, in invoke 
    96682 return self._func(self._name, data) 
    96683 File
    96684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96685 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    96686 if v.display: 
    96687 File
    96688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96689 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    96690 return self._any_displayed_positions and len(self._positions) > 0 
    96691 TypeError: object of type 'NoneType' has no len() 
    96692  
    96693 During handling of the above exception, another exception occurred: 
    96694  
    96695 Traceback (most recent call last): 
    96696 File
    96697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96698 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    96699 if not self.draw_new_frame(): 
    96700 File
    96701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96702 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    96703 changed = view.check_for_drawing_change() 
    96704 File
    96705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96706 packages/chimerax/core/graphics/view.py", line 252, in
    96707 check_for_drawing_change 
    96708 trig.activate_trigger('graphics update', self) 
    96709 File
    96710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96711 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    96712 trigger.activate(data) 
    96713 File
    96714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96715 packages/chimerax/core/triggerset.py", line 190, in activate 
    96716 ret = handler.invoke(data, self._remove_bad_handlers) 
    96717 File
    96718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96719 packages/chimerax/core/triggerset.py", line 132, in invoke 
    96720 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    96721 File
    96722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96723 packages/chimerax/core/session.py", line 943, in <lambda> 
    96724 logger.report_exception(preface=preface)) 
    96725 File
    96726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96727 packages/chimerax/core/logger.py", line 421, in report_exception 
    96728 elif probably_chimera1_session(exc_info): 
    96729 File
    96730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96731 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96732 etype, evalue, etraceback = exc_info 
    96733 TypeError: cannot unpack non-iterable NoneType object 
    96734  
    96735 TypeError: cannot unpack non-iterable NoneType object 
    96736  
    96737 File
    96738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96739 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96740 etype, evalue, etraceback = exc_info 
    96741  
    96742 See log for complete Python traceback. 
    96743  
    96744 Traceback (most recent call last): 
    96745 File
    96746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96747 packages/chimerax/core/triggerset.py", line 130, in invoke 
    96748 return self._func(self._name, data) 
    96749 File
    96750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96751 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    96752 if v.display: 
    96753 File
    96754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96755 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    96756 return self._any_displayed_positions and len(self._positions) > 0 
    96757 TypeError: object of type 'NoneType' has no len() 
    96758  
    96759 During handling of the above exception, another exception occurred: 
    96760  
    96761 Traceback (most recent call last): 
    96762 File
    96763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96764 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    96765 if not self.draw_new_frame(): 
    96766 File
    96767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96768 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    96769 changed = view.check_for_drawing_change() 
    96770 File
    96771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96772 packages/chimerax/core/graphics/view.py", line 252, in
    96773 check_for_drawing_change 
    96774 trig.activate_trigger('graphics update', self) 
    96775 File
    96776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96777 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    96778 trigger.activate(data) 
    96779 File
    96780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96781 packages/chimerax/core/triggerset.py", line 190, in activate 
    96782 ret = handler.invoke(data, self._remove_bad_handlers) 
    96783 File
    96784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96785 packages/chimerax/core/triggerset.py", line 132, in invoke 
    96786 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    96787 File
    96788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96789 packages/chimerax/core/session.py", line 943, in <lambda> 
    96790 logger.report_exception(preface=preface)) 
    96791 File
    96792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96793 packages/chimerax/core/logger.py", line 421, in report_exception 
    96794 elif probably_chimera1_session(exc_info): 
    96795 File
    96796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96797 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96798 etype, evalue, etraceback = exc_info 
    96799 TypeError: cannot unpack non-iterable NoneType object 
    96800  
    96801 TypeError: cannot unpack non-iterable NoneType object 
    96802  
    96803 File
    96804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96805 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96806 etype, evalue, etraceback = exc_info 
    96807  
    96808 See log for complete Python traceback. 
    96809  
    96810 Traceback (most recent call last): 
    96811 File
    96812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96813 packages/chimerax/core/triggerset.py", line 130, in invoke 
    96814 return self._func(self._name, data) 
    96815 File
    96816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96817 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    96818 if v.display: 
    96819 File
    96820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96821 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    96822 return self._any_displayed_positions and len(self._positions) > 0 
    96823 TypeError: object of type 'NoneType' has no len() 
    96824  
    96825 During handling of the above exception, another exception occurred: 
    96826  
    96827 Traceback (most recent call last): 
    96828 File
    96829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96830 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    96831 if not self.draw_new_frame(): 
    96832 File
    96833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96834 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    96835 changed = view.check_for_drawing_change() 
    96836 File
    96837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96838 packages/chimerax/core/graphics/view.py", line 252, in
    96839 check_for_drawing_change 
    96840 trig.activate_trigger('graphics update', self) 
    96841 File
    96842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96843 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    96844 trigger.activate(data) 
    96845 File
    96846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96847 packages/chimerax/core/triggerset.py", line 190, in activate 
    96848 ret = handler.invoke(data, self._remove_bad_handlers) 
    96849 File
    96850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96851 packages/chimerax/core/triggerset.py", line 132, in invoke 
    96852 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    96853 File
    96854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96855 packages/chimerax/core/session.py", line 943, in <lambda> 
    96856 logger.report_exception(preface=preface)) 
    96857 File
    96858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96859 packages/chimerax/core/logger.py", line 421, in report_exception 
    96860 elif probably_chimera1_session(exc_info): 
    96861 File
    96862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96863 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96864 etype, evalue, etraceback = exc_info 
    96865 TypeError: cannot unpack non-iterable NoneType object 
    96866  
    96867 TypeError: cannot unpack non-iterable NoneType object 
    96868  
    96869 File
    96870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96871 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96872 etype, evalue, etraceback = exc_info 
    96873  
    96874 See log for complete Python traceback. 
    96875  
    96876 Traceback (most recent call last): 
    96877 File
    96878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96879 packages/chimerax/core/triggerset.py", line 130, in invoke 
    96880 return self._func(self._name, data) 
    96881 File
    96882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96883 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    96884 if v.display: 
    96885 File
    96886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96887 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    96888 return self._any_displayed_positions and len(self._positions) > 0 
    96889 TypeError: object of type 'NoneType' has no len() 
    96890  
    96891 During handling of the above exception, another exception occurred: 
    96892  
    96893 Traceback (most recent call last): 
    96894 File
    96895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96896 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    96897 if not self.draw_new_frame(): 
    96898 File
    96899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96900 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    96901 changed = view.check_for_drawing_change() 
    96902 File
    96903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96904 packages/chimerax/core/graphics/view.py", line 252, in
    96905 check_for_drawing_change 
    96906 trig.activate_trigger('graphics update', self) 
    96907 File
    96908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96909 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    96910 trigger.activate(data) 
    96911 File
    96912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96913 packages/chimerax/core/triggerset.py", line 190, in activate 
    96914 ret = handler.invoke(data, self._remove_bad_handlers) 
    96915 File
    96916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96917 packages/chimerax/core/triggerset.py", line 132, in invoke 
    96918 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    96919 File
    96920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96921 packages/chimerax/core/session.py", line 943, in <lambda> 
    96922 logger.report_exception(preface=preface)) 
    96923 File
    96924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96925 packages/chimerax/core/logger.py", line 421, in report_exception 
    96926 elif probably_chimera1_session(exc_info): 
    96927 File
    96928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96929 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96930 etype, evalue, etraceback = exc_info 
    96931 TypeError: cannot unpack non-iterable NoneType object 
    96932  
    96933 TypeError: cannot unpack non-iterable NoneType object 
    96934  
    96935 File
    96936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96937 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96938 etype, evalue, etraceback = exc_info 
    96939  
    96940 See log for complete Python traceback. 
    96941  
    96942 Traceback (most recent call last): 
    96943 File
    96944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96945 packages/chimerax/core/triggerset.py", line 130, in invoke 
    96946 return self._func(self._name, data) 
    96947 File
    96948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96949 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    96950 if v.display: 
    96951 File
    96952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96953 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    96954 return self._any_displayed_positions and len(self._positions) > 0 
    96955 TypeError: object of type 'NoneType' has no len() 
    96956  
    96957 During handling of the above exception, another exception occurred: 
    96958  
    96959 Traceback (most recent call last): 
    96960 File
    96961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96962 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    96963 if not self.draw_new_frame(): 
    96964 File
    96965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96966 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    96967 changed = view.check_for_drawing_change() 
    96968 File
    96969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96970 packages/chimerax/core/graphics/view.py", line 252, in
    96971 check_for_drawing_change 
    96972 trig.activate_trigger('graphics update', self) 
    96973 File
    96974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96975 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    96976 trigger.activate(data) 
    96977 File
    96978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96979 packages/chimerax/core/triggerset.py", line 190, in activate 
    96980 ret = handler.invoke(data, self._remove_bad_handlers) 
    96981 File
    96982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96983 packages/chimerax/core/triggerset.py", line 132, in invoke 
    96984 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    96985 File
    96986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96987 packages/chimerax/core/session.py", line 943, in <lambda> 
    96988 logger.report_exception(preface=preface)) 
    96989 File
    96990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96991 packages/chimerax/core/logger.py", line 421, in report_exception 
    96992 elif probably_chimera1_session(exc_info): 
    96993 File
    96994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    96995 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    96996 etype, evalue, etraceback = exc_info 
    96997 TypeError: cannot unpack non-iterable NoneType object 
    96998  
    96999 TypeError: cannot unpack non-iterable NoneType object 
    97000  
    97001 File
    97002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97003 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97004 etype, evalue, etraceback = exc_info 
    97005  
    97006 See log for complete Python traceback. 
    97007  
    97008 Traceback (most recent call last): 
    97009 File
    97010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97011 packages/chimerax/core/triggerset.py", line 130, in invoke 
    97012 return self._func(self._name, data) 
    97013 File
    97014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97015 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    97016 if v.display: 
    97017 File
    97018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97019 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    97020 return self._any_displayed_positions and len(self._positions) > 0 
    97021 TypeError: object of type 'NoneType' has no len() 
    97022  
    97023 During handling of the above exception, another exception occurred: 
    97024  
    97025 Traceback (most recent call last): 
    97026 File
    97027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97028 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    97029 if not self.draw_new_frame(): 
    97030 File
    97031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97032 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    97033 changed = view.check_for_drawing_change() 
    97034 File
    97035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97036 packages/chimerax/core/graphics/view.py", line 252, in
    97037 check_for_drawing_change 
    97038 trig.activate_trigger('graphics update', self) 
    97039 File
    97040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97041 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    97042 trigger.activate(data) 
    97043 File
    97044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97045 packages/chimerax/core/triggerset.py", line 190, in activate 
    97046 ret = handler.invoke(data, self._remove_bad_handlers) 
    97047 File
    97048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97049 packages/chimerax/core/triggerset.py", line 132, in invoke 
    97050 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    97051 File
    97052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97053 packages/chimerax/core/session.py", line 943, in <lambda> 
    97054 logger.report_exception(preface=preface)) 
    97055 File
    97056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97057 packages/chimerax/core/logger.py", line 421, in report_exception 
    97058 elif probably_chimera1_session(exc_info): 
    97059 File
    97060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97061 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97062 etype, evalue, etraceback = exc_info 
    97063 TypeError: cannot unpack non-iterable NoneType object 
    97064  
    97065 TypeError: cannot unpack non-iterable NoneType object 
    97066  
    97067 File
    97068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97069 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97070 etype, evalue, etraceback = exc_info 
    97071  
    97072 See log for complete Python traceback. 
    97073  
    97074 Traceback (most recent call last): 
    97075 File
    97076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97077 packages/chimerax/core/triggerset.py", line 130, in invoke 
    97078 return self._func(self._name, data) 
    97079 File
    97080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97081 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    97082 if v.display: 
    97083 File
    97084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97085 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    97086 return self._any_displayed_positions and len(self._positions) > 0 
    97087 TypeError: object of type 'NoneType' has no len() 
    97088  
    97089 During handling of the above exception, another exception occurred: 
    97090  
    97091 Traceback (most recent call last): 
    97092 File
    97093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97094 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    97095 if not self.draw_new_frame(): 
    97096 File
    97097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97098 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    97099 changed = view.check_for_drawing_change() 
    97100 File
    97101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97102 packages/chimerax/core/graphics/view.py", line 252, in
    97103 check_for_drawing_change 
    97104 trig.activate_trigger('graphics update', self) 
    97105 File
    97106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97107 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    97108 trigger.activate(data) 
    97109 File
    97110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97111 packages/chimerax/core/triggerset.py", line 190, in activate 
    97112 ret = handler.invoke(data, self._remove_bad_handlers) 
    97113 File
    97114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97115 packages/chimerax/core/triggerset.py", line 132, in invoke 
    97116 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    97117 File
    97118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97119 packages/chimerax/core/session.py", line 943, in <lambda> 
    97120 logger.report_exception(preface=preface)) 
    97121 File
    97122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97123 packages/chimerax/core/logger.py", line 421, in report_exception 
    97124 elif probably_chimera1_session(exc_info): 
    97125 File
    97126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97127 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97128 etype, evalue, etraceback = exc_info 
    97129 TypeError: cannot unpack non-iterable NoneType object 
    97130  
    97131 TypeError: cannot unpack non-iterable NoneType object 
    97132  
    97133 File
    97134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97135 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97136 etype, evalue, etraceback = exc_info 
    97137  
    97138 See log for complete Python traceback. 
    97139  
    97140 Traceback (most recent call last): 
    97141 File
    97142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97143 packages/chimerax/core/triggerset.py", line 130, in invoke 
    97144 return self._func(self._name, data) 
    97145 File
    97146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97147 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    97148 if v.display: 
    97149 File
    97150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97151 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    97152 return self._any_displayed_positions and len(self._positions) > 0 
    97153 TypeError: object of type 'NoneType' has no len() 
    97154  
    97155 During handling of the above exception, another exception occurred: 
    97156  
    97157 Traceback (most recent call last): 
    97158 File
    97159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97160 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    97161 if not self.draw_new_frame(): 
    97162 File
    97163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97164 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    97165 changed = view.check_for_drawing_change() 
    97166 File
    97167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97168 packages/chimerax/core/graphics/view.py", line 252, in
    97169 check_for_drawing_change 
    97170 trig.activate_trigger('graphics update', self) 
    97171 File
    97172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97173 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    97174 trigger.activate(data) 
    97175 File
    97176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97177 packages/chimerax/core/triggerset.py", line 190, in activate 
    97178 ret = handler.invoke(data, self._remove_bad_handlers) 
    97179 File
    97180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97181 packages/chimerax/core/triggerset.py", line 132, in invoke 
    97182 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    97183 File
    97184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97185 packages/chimerax/core/session.py", line 943, in <lambda> 
    97186 logger.report_exception(preface=preface)) 
    97187 File
    97188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97189 packages/chimerax/core/logger.py", line 421, in report_exception 
    97190 elif probably_chimera1_session(exc_info): 
    97191 File
    97192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97193 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97194 etype, evalue, etraceback = exc_info 
    97195 TypeError: cannot unpack non-iterable NoneType object 
    97196  
    97197 TypeError: cannot unpack non-iterable NoneType object 
    97198  
    97199 File
    97200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97201 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97202 etype, evalue, etraceback = exc_info 
    97203  
    97204 See log for complete Python traceback. 
    97205  
    97206 Traceback (most recent call last): 
    97207 File
    97208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97209 packages/chimerax/core/triggerset.py", line 130, in invoke 
    97210 return self._func(self._name, data) 
    97211 File
    97212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97213 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    97214 if v.display: 
    97215 File
    97216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97217 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    97218 return self._any_displayed_positions and len(self._positions) > 0 
    97219 TypeError: object of type 'NoneType' has no len() 
    97220  
    97221 During handling of the above exception, another exception occurred: 
    97222  
    97223 Traceback (most recent call last): 
    97224 File
    97225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97226 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    97227 if not self.draw_new_frame(): 
    97228 File
    97229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97230 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    97231 changed = view.check_for_drawing_change() 
    97232 File
    97233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97234 packages/chimerax/core/graphics/view.py", line 252, in
    97235 check_for_drawing_change 
    97236 trig.activate_trigger('graphics update', self) 
    97237 File
    97238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97239 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    97240 trigger.activate(data) 
    97241 File
    97242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97243 packages/chimerax/core/triggerset.py", line 190, in activate 
    97244 ret = handler.invoke(data, self._remove_bad_handlers) 
    97245 File
    97246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97247 packages/chimerax/core/triggerset.py", line 132, in invoke 
    97248 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    97249 File
    97250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97251 packages/chimerax/core/session.py", line 943, in <lambda> 
    97252 logger.report_exception(preface=preface)) 
    97253 File
    97254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97255 packages/chimerax/core/logger.py", line 421, in report_exception 
    97256 elif probably_chimera1_session(exc_info): 
    97257 File
    97258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97259 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97260 etype, evalue, etraceback = exc_info 
    97261 TypeError: cannot unpack non-iterable NoneType object 
    97262  
    97263 TypeError: cannot unpack non-iterable NoneType object 
    97264  
    97265 File
    97266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97267 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97268 etype, evalue, etraceback = exc_info 
    97269  
    97270 See log for complete Python traceback. 
    97271  
    97272 Traceback (most recent call last): 
    97273 File
    97274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97275 packages/chimerax/core/triggerset.py", line 130, in invoke 
    97276 return self._func(self._name, data) 
    97277 File
    97278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97279 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    97280 if v.display: 
    97281 File
    97282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97283 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    97284 return self._any_displayed_positions and len(self._positions) > 0 
    97285 TypeError: object of type 'NoneType' has no len() 
    97286  
    97287 During handling of the above exception, another exception occurred: 
    97288  
    97289 Traceback (most recent call last): 
    97290 File
    97291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97292 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    97293 if not self.draw_new_frame(): 
    97294 File
    97295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97296 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    97297 changed = view.check_for_drawing_change() 
    97298 File
    97299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97300 packages/chimerax/core/graphics/view.py", line 252, in
    97301 check_for_drawing_change 
    97302 trig.activate_trigger('graphics update', self) 
    97303 File
    97304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97305 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    97306 trigger.activate(data) 
    97307 File
    97308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97309 packages/chimerax/core/triggerset.py", line 190, in activate 
    97310 ret = handler.invoke(data, self._remove_bad_handlers) 
    97311 File
    97312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97313 packages/chimerax/core/triggerset.py", line 132, in invoke 
    97314 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    97315 File
    97316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97317 packages/chimerax/core/session.py", line 943, in <lambda> 
    97318 logger.report_exception(preface=preface)) 
    97319 File
    97320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97321 packages/chimerax/core/logger.py", line 421, in report_exception 
    97322 elif probably_chimera1_session(exc_info): 
    97323 File
    97324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97325 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97326 etype, evalue, etraceback = exc_info 
    97327 TypeError: cannot unpack non-iterable NoneType object 
    97328  
    97329 TypeError: cannot unpack non-iterable NoneType object 
    97330  
    97331 File
    97332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97333 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97334 etype, evalue, etraceback = exc_info 
    97335  
    97336 See log for complete Python traceback. 
    97337  
    97338 Traceback (most recent call last): 
    97339 File
    97340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97341 packages/chimerax/core/triggerset.py", line 130, in invoke 
    97342 return self._func(self._name, data) 
    97343 File
    97344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97345 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    97346 if v.display: 
    97347 File
    97348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97349 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    97350 return self._any_displayed_positions and len(self._positions) > 0 
    97351 TypeError: object of type 'NoneType' has no len() 
    97352  
    97353 During handling of the above exception, another exception occurred: 
    97354  
    97355 Traceback (most recent call last): 
    97356 File
    97357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97358 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    97359 if not self.draw_new_frame(): 
    97360 File
    97361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97362 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    97363 changed = view.check_for_drawing_change() 
    97364 File
    97365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97366 packages/chimerax/core/graphics/view.py", line 252, in
    97367 check_for_drawing_change 
    97368 trig.activate_trigger('graphics update', self) 
    97369 File
    97370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97371 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    97372 trigger.activate(data) 
    97373 File
    97374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97375 packages/chimerax/core/triggerset.py", line 190, in activate 
    97376 ret = handler.invoke(data, self._remove_bad_handlers) 
    97377 File
    97378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97379 packages/chimerax/core/triggerset.py", line 132, in invoke 
    97380 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    97381 File
    97382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97383 packages/chimerax/core/session.py", line 943, in <lambda> 
    97384 logger.report_exception(preface=preface)) 
    97385 File
    97386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97387 packages/chimerax/core/logger.py", line 421, in report_exception 
    97388 elif probably_chimera1_session(exc_info): 
    97389 File
    97390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97391 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97392 etype, evalue, etraceback = exc_info 
    97393 TypeError: cannot unpack non-iterable NoneType object 
    97394  
    97395 TypeError: cannot unpack non-iterable NoneType object 
    97396  
    97397 File
    97398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97399 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97400 etype, evalue, etraceback = exc_info 
    97401  
    97402 See log for complete Python traceback. 
    97403  
    97404 Traceback (most recent call last): 
    97405 File
    97406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97407 packages/chimerax/core/triggerset.py", line 130, in invoke 
    97408 return self._func(self._name, data) 
    97409 File
    97410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97411 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    97412 if v.display: 
    97413 File
    97414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97415 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    97416 return self._any_displayed_positions and len(self._positions) > 0 
    97417 TypeError: object of type 'NoneType' has no len() 
    97418  
    97419 During handling of the above exception, another exception occurred: 
    97420  
    97421 Traceback (most recent call last): 
    97422 File
    97423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97424 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    97425 if not self.draw_new_frame(): 
    97426 File
    97427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97428 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    97429 changed = view.check_for_drawing_change() 
    97430 File
    97431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97432 packages/chimerax/core/graphics/view.py", line 252, in
    97433 check_for_drawing_change 
    97434 trig.activate_trigger('graphics update', self) 
    97435 File
    97436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97437 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    97438 trigger.activate(data) 
    97439 File
    97440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97441 packages/chimerax/core/triggerset.py", line 190, in activate 
    97442 ret = handler.invoke(data, self._remove_bad_handlers) 
    97443 File
    97444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97445 packages/chimerax/core/triggerset.py", line 132, in invoke 
    97446 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    97447 File
    97448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97449 packages/chimerax/core/session.py", line 943, in <lambda> 
    97450 logger.report_exception(preface=preface)) 
    97451 File
    97452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97453 packages/chimerax/core/logger.py", line 421, in report_exception 
    97454 elif probably_chimera1_session(exc_info): 
    97455 File
    97456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97457 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97458 etype, evalue, etraceback = exc_info 
    97459 TypeError: cannot unpack non-iterable NoneType object 
    97460  
    97461 TypeError: cannot unpack non-iterable NoneType object 
    97462  
    97463 File
    97464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97465 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97466 etype, evalue, etraceback = exc_info 
    97467  
    97468 See log for complete Python traceback. 
    97469  
    97470 Traceback (most recent call last): 
    97471 File
    97472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97473 packages/chimerax/core/triggerset.py", line 130, in invoke 
    97474 return self._func(self._name, data) 
    97475 File
    97476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97477 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    97478 if v.display: 
    97479 File
    97480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97481 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    97482 return self._any_displayed_positions and len(self._positions) > 0 
    97483 TypeError: object of type 'NoneType' has no len() 
    97484  
    97485 During handling of the above exception, another exception occurred: 
    97486  
    97487 Traceback (most recent call last): 
    97488 File
    97489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97490 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    97491 if not self.draw_new_frame(): 
    97492 File
    97493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97494 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    97495 changed = view.check_for_drawing_change() 
    97496 File
    97497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97498 packages/chimerax/core/graphics/view.py", line 252, in
    97499 check_for_drawing_change 
    97500 trig.activate_trigger('graphics update', self) 
    97501 File
    97502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97503 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    97504 trigger.activate(data) 
    97505 File
    97506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97507 packages/chimerax/core/triggerset.py", line 190, in activate 
    97508 ret = handler.invoke(data, self._remove_bad_handlers) 
    97509 File
    97510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97511 packages/chimerax/core/triggerset.py", line 132, in invoke 
    97512 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    97513 File
    97514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97515 packages/chimerax/core/session.py", line 943, in <lambda> 
    97516 logger.report_exception(preface=preface)) 
    97517 File
    97518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97519 packages/chimerax/core/logger.py", line 421, in report_exception 
    97520 elif probably_chimera1_session(exc_info): 
    97521 File
    97522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97523 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97524 etype, evalue, etraceback = exc_info 
    97525 TypeError: cannot unpack non-iterable NoneType object 
    97526  
    97527 TypeError: cannot unpack non-iterable NoneType object 
    97528  
    97529 File
    97530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97531 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97532 etype, evalue, etraceback = exc_info 
    97533  
    97534 See log for complete Python traceback. 
    97535  
    97536 Traceback (most recent call last): 
    97537 File
    97538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97539 packages/chimerax/core/triggerset.py", line 130, in invoke 
    97540 return self._func(self._name, data) 
    97541 File
    97542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97543 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    97544 if v.display: 
    97545 File
    97546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97547 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    97548 return self._any_displayed_positions and len(self._positions) > 0 
    97549 TypeError: object of type 'NoneType' has no len() 
    97550  
    97551 During handling of the above exception, another exception occurred: 
    97552  
    97553 Traceback (most recent call last): 
    97554 File
    97555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97556 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    97557 if not self.draw_new_frame(): 
    97558 File
    97559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97560 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    97561 changed = view.check_for_drawing_change() 
    97562 File
    97563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97564 packages/chimerax/core/graphics/view.py", line 252, in
    97565 check_for_drawing_change 
    97566 trig.activate_trigger('graphics update', self) 
    97567 File
    97568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97569 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    97570 trigger.activate(data) 
    97571 File
    97572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97573 packages/chimerax/core/triggerset.py", line 190, in activate 
    97574 ret = handler.invoke(data, self._remove_bad_handlers) 
    97575 File
    97576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97577 packages/chimerax/core/triggerset.py", line 132, in invoke 
    97578 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    97579 File
    97580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97581 packages/chimerax/core/session.py", line 943, in <lambda> 
    97582 logger.report_exception(preface=preface)) 
    97583 File
    97584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97585 packages/chimerax/core/logger.py", line 421, in report_exception 
    97586 elif probably_chimera1_session(exc_info): 
    97587 File
    97588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97589 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97590 etype, evalue, etraceback = exc_info 
    97591 TypeError: cannot unpack non-iterable NoneType object 
    97592  
    97593 TypeError: cannot unpack non-iterable NoneType object 
    97594  
    97595 File
    97596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97597 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97598 etype, evalue, etraceback = exc_info 
    97599  
    97600 See log for complete Python traceback. 
    97601  
    97602 Traceback (most recent call last): 
    97603 File
    97604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97605 packages/chimerax/core/triggerset.py", line 130, in invoke 
    97606 return self._func(self._name, data) 
    97607 File
    97608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97609 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    97610 if v.display: 
    97611 File
    97612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97613 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    97614 return self._any_displayed_positions and len(self._positions) > 0 
    97615 TypeError: object of type 'NoneType' has no len() 
    97616  
    97617 During handling of the above exception, another exception occurred: 
    97618  
    97619 Traceback (most recent call last): 
    97620 File
    97621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97622 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    97623 if not self.draw_new_frame(): 
    97624 File
    97625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97626 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    97627 changed = view.check_for_drawing_change() 
    97628 File
    97629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97630 packages/chimerax/core/graphics/view.py", line 252, in
    97631 check_for_drawing_change 
    97632 trig.activate_trigger('graphics update', self) 
    97633 File
    97634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97635 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    97636 trigger.activate(data) 
    97637 File
    97638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97639 packages/chimerax/core/triggerset.py", line 190, in activate 
    97640 ret = handler.invoke(data, self._remove_bad_handlers) 
    97641 File
    97642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97643 packages/chimerax/core/triggerset.py", line 132, in invoke 
    97644 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    97645 File
    97646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97647 packages/chimerax/core/session.py", line 943, in <lambda> 
    97648 logger.report_exception(preface=preface)) 
    97649 File
    97650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97651 packages/chimerax/core/logger.py", line 421, in report_exception 
    97652 elif probably_chimera1_session(exc_info): 
    97653 File
    97654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97655 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97656 etype, evalue, etraceback = exc_info 
    97657 TypeError: cannot unpack non-iterable NoneType object 
    97658  
    97659 TypeError: cannot unpack non-iterable NoneType object 
    97660  
    97661 File
    97662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97663 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97664 etype, evalue, etraceback = exc_info 
    97665  
    97666 See log for complete Python traceback. 
    97667  
    97668 Traceback (most recent call last): 
    97669 File
    97670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97671 packages/chimerax/core/triggerset.py", line 130, in invoke 
    97672 return self._func(self._name, data) 
    97673 File
    97674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97675 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    97676 if v.display: 
    97677 File
    97678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97679 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    97680 return self._any_displayed_positions and len(self._positions) > 0 
    97681 TypeError: object of type 'NoneType' has no len() 
    97682  
    97683 During handling of the above exception, another exception occurred: 
    97684  
    97685 Traceback (most recent call last): 
    97686 File
    97687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97688 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    97689 if not self.draw_new_frame(): 
    97690 File
    97691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97692 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    97693 changed = view.check_for_drawing_change() 
    97694 File
    97695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97696 packages/chimerax/core/graphics/view.py", line 252, in
    97697 check_for_drawing_change 
    97698 trig.activate_trigger('graphics update', self) 
    97699 File
    97700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97701 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    97702 trigger.activate(data) 
    97703 File
    97704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97705 packages/chimerax/core/triggerset.py", line 190, in activate 
    97706 ret = handler.invoke(data, self._remove_bad_handlers) 
    97707 File
    97708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97709 packages/chimerax/core/triggerset.py", line 132, in invoke 
    97710 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    97711 File
    97712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97713 packages/chimerax/core/session.py", line 943, in <lambda> 
    97714 logger.report_exception(preface=preface)) 
    97715 File
    97716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97717 packages/chimerax/core/logger.py", line 421, in report_exception 
    97718 elif probably_chimera1_session(exc_info): 
    97719 File
    97720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97721 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97722 etype, evalue, etraceback = exc_info 
    97723 TypeError: cannot unpack non-iterable NoneType object 
    97724  
    97725 TypeError: cannot unpack non-iterable NoneType object 
    97726  
    97727 File
    97728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97729 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97730 etype, evalue, etraceback = exc_info 
    97731  
    97732 See log for complete Python traceback. 
    97733  
    97734 Traceback (most recent call last): 
    97735 File
    97736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97737 packages/chimerax/core/triggerset.py", line 130, in invoke 
    97738 return self._func(self._name, data) 
    97739 File
    97740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97741 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    97742 if v.display: 
    97743 File
    97744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97745 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    97746 return self._any_displayed_positions and len(self._positions) > 0 
    97747 TypeError: object of type 'NoneType' has no len() 
    97748  
    97749 During handling of the above exception, another exception occurred: 
    97750  
    97751 Traceback (most recent call last): 
    97752 File
    97753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97754 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    97755 if not self.draw_new_frame(): 
    97756 File
    97757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97758 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    97759 changed = view.check_for_drawing_change() 
    97760 File
    97761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97762 packages/chimerax/core/graphics/view.py", line 252, in
    97763 check_for_drawing_change 
    97764 trig.activate_trigger('graphics update', self) 
    97765 File
    97766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97767 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    97768 trigger.activate(data) 
    97769 File
    97770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97771 packages/chimerax/core/triggerset.py", line 190, in activate 
    97772 ret = handler.invoke(data, self._remove_bad_handlers) 
    97773 File
    97774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97775 packages/chimerax/core/triggerset.py", line 132, in invoke 
    97776 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    97777 File
    97778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97779 packages/chimerax/core/session.py", line 943, in <lambda> 
    97780 logger.report_exception(preface=preface)) 
    97781 File
    97782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97783 packages/chimerax/core/logger.py", line 421, in report_exception 
    97784 elif probably_chimera1_session(exc_info): 
    97785 File
    97786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97787 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97788 etype, evalue, etraceback = exc_info 
    97789 TypeError: cannot unpack non-iterable NoneType object 
    97790  
    97791 TypeError: cannot unpack non-iterable NoneType object 
    97792  
    97793 File
    97794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97795 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97796 etype, evalue, etraceback = exc_info 
    97797  
    97798 See log for complete Python traceback. 
    97799  
    97800 Traceback (most recent call last): 
    97801 File
    97802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97803 packages/chimerax/core/triggerset.py", line 130, in invoke 
    97804 return self._func(self._name, data) 
    97805 File
    97806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97807 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    97808 if v.display: 
    97809 File
    97810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97811 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    97812 return self._any_displayed_positions and len(self._positions) > 0 
    97813 TypeError: object of type 'NoneType' has no len() 
    97814  
    97815 During handling of the above exception, another exception occurred: 
    97816  
    97817 Traceback (most recent call last): 
    97818 File
    97819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97820 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    97821 if not self.draw_new_frame(): 
    97822 File
    97823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97824 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    97825 changed = view.check_for_drawing_change() 
    97826 File
    97827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97828 packages/chimerax/core/graphics/view.py", line 252, in
    97829 check_for_drawing_change 
    97830 trig.activate_trigger('graphics update', self) 
    97831 File
    97832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97833 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    97834 trigger.activate(data) 
    97835 File
    97836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97837 packages/chimerax/core/triggerset.py", line 190, in activate 
    97838 ret = handler.invoke(data, self._remove_bad_handlers) 
    97839 File
    97840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97841 packages/chimerax/core/triggerset.py", line 132, in invoke 
    97842 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    97843 File
    97844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97845 packages/chimerax/core/session.py", line 943, in <lambda> 
    97846 logger.report_exception(preface=preface)) 
    97847 File
    97848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97849 packages/chimerax/core/logger.py", line 421, in report_exception 
    97850 elif probably_chimera1_session(exc_info): 
    97851 File
    97852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97853 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97854 etype, evalue, etraceback = exc_info 
    97855 TypeError: cannot unpack non-iterable NoneType object 
    97856  
    97857 TypeError: cannot unpack non-iterable NoneType object 
    97858  
    97859 File
    97860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97861 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97862 etype, evalue, etraceback = exc_info 
    97863  
    97864 See log for complete Python traceback. 
    97865  
    97866 Traceback (most recent call last): 
    97867 File
    97868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97869 packages/chimerax/core/triggerset.py", line 130, in invoke 
    97870 return self._func(self._name, data) 
    97871 File
    97872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97873 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    97874 if v.display: 
    97875 File
    97876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97877 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    97878 return self._any_displayed_positions and len(self._positions) > 0 
    97879 TypeError: object of type 'NoneType' has no len() 
    97880  
    97881 During handling of the above exception, another exception occurred: 
    97882  
    97883 Traceback (most recent call last): 
    97884 File
    97885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97886 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    97887 if not self.draw_new_frame(): 
    97888 File
    97889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97890 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    97891 changed = view.check_for_drawing_change() 
    97892 File
    97893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97894 packages/chimerax/core/graphics/view.py", line 252, in
    97895 check_for_drawing_change 
    97896 trig.activate_trigger('graphics update', self) 
    97897 File
    97898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97899 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    97900 trigger.activate(data) 
    97901 File
    97902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97903 packages/chimerax/core/triggerset.py", line 190, in activate 
    97904 ret = handler.invoke(data, self._remove_bad_handlers) 
    97905 File
    97906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97907 packages/chimerax/core/triggerset.py", line 132, in invoke 
    97908 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    97909 File
    97910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97911 packages/chimerax/core/session.py", line 943, in <lambda> 
    97912 logger.report_exception(preface=preface)) 
    97913 File
    97914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97915 packages/chimerax/core/logger.py", line 421, in report_exception 
    97916 elif probably_chimera1_session(exc_info): 
    97917 File
    97918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97919 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97920 etype, evalue, etraceback = exc_info 
    97921 TypeError: cannot unpack non-iterable NoneType object 
    97922  
    97923 TypeError: cannot unpack non-iterable NoneType object 
    97924  
    97925 File
    97926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97927 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97928 etype, evalue, etraceback = exc_info 
    97929  
    97930 See log for complete Python traceback. 
    97931  
    97932 Traceback (most recent call last): 
    97933 File
    97934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97935 packages/chimerax/core/triggerset.py", line 130, in invoke 
    97936 return self._func(self._name, data) 
    97937 File
    97938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97939 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    97940 if v.display: 
    97941 File
    97942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97943 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    97944 return self._any_displayed_positions and len(self._positions) > 0 
    97945 TypeError: object of type 'NoneType' has no len() 
    97946  
    97947 During handling of the above exception, another exception occurred: 
    97948  
    97949 Traceback (most recent call last): 
    97950 File
    97951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97952 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    97953 if not self.draw_new_frame(): 
    97954 File
    97955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97956 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    97957 changed = view.check_for_drawing_change() 
    97958 File
    97959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97960 packages/chimerax/core/graphics/view.py", line 252, in
    97961 check_for_drawing_change 
    97962 trig.activate_trigger('graphics update', self) 
    97963 File
    97964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97965 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    97966 trigger.activate(data) 
    97967 File
    97968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97969 packages/chimerax/core/triggerset.py", line 190, in activate 
    97970 ret = handler.invoke(data, self._remove_bad_handlers) 
    97971 File
    97972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97973 packages/chimerax/core/triggerset.py", line 132, in invoke 
    97974 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    97975 File
    97976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97977 packages/chimerax/core/session.py", line 943, in <lambda> 
    97978 logger.report_exception(preface=preface)) 
    97979 File
    97980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97981 packages/chimerax/core/logger.py", line 421, in report_exception 
    97982 elif probably_chimera1_session(exc_info): 
    97983 File
    97984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97985 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97986 etype, evalue, etraceback = exc_info 
    97987 TypeError: cannot unpack non-iterable NoneType object 
    97988  
    97989 TypeError: cannot unpack non-iterable NoneType object 
    97990  
    97991 File
    97992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    97993 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    97994 etype, evalue, etraceback = exc_info 
    97995  
    97996 See log for complete Python traceback. 
    97997  
    97998 Traceback (most recent call last): 
    97999 File
    98000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98001 packages/chimerax/core/triggerset.py", line 130, in invoke 
    98002 return self._func(self._name, data) 
    98003 File
    98004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98005 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    98006 if v.display: 
    98007 File
    98008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98009 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    98010 return self._any_displayed_positions and len(self._positions) > 0 
    98011 TypeError: object of type 'NoneType' has no len() 
    98012  
    98013 During handling of the above exception, another exception occurred: 
    98014  
    98015 Traceback (most recent call last): 
    98016 File
    98017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98018 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    98019 if not self.draw_new_frame(): 
    98020 File
    98021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98022 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    98023 changed = view.check_for_drawing_change() 
    98024 File
    98025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98026 packages/chimerax/core/graphics/view.py", line 252, in
    98027 check_for_drawing_change 
    98028 trig.activate_trigger('graphics update', self) 
    98029 File
    98030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98031 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    98032 trigger.activate(data) 
    98033 File
    98034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98035 packages/chimerax/core/triggerset.py", line 190, in activate 
    98036 ret = handler.invoke(data, self._remove_bad_handlers) 
    98037 File
    98038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98039 packages/chimerax/core/triggerset.py", line 132, in invoke 
    98040 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    98041 File
    98042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98043 packages/chimerax/core/session.py", line 943, in <lambda> 
    98044 logger.report_exception(preface=preface)) 
    98045 File
    98046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98047 packages/chimerax/core/logger.py", line 421, in report_exception 
    98048 elif probably_chimera1_session(exc_info): 
    98049 File
    98050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98051 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98052 etype, evalue, etraceback = exc_info 
    98053 TypeError: cannot unpack non-iterable NoneType object 
    98054  
    98055 TypeError: cannot unpack non-iterable NoneType object 
    98056  
    98057 File
    98058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98059 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98060 etype, evalue, etraceback = exc_info 
    98061  
    98062 See log for complete Python traceback. 
    98063  
    98064 Traceback (most recent call last): 
    98065 File
    98066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98067 packages/chimerax/core/triggerset.py", line 130, in invoke 
    98068 return self._func(self._name, data) 
    98069 File
    98070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98071 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    98072 if v.display: 
    98073 File
    98074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98075 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    98076 return self._any_displayed_positions and len(self._positions) > 0 
    98077 TypeError: object of type 'NoneType' has no len() 
    98078  
    98079 During handling of the above exception, another exception occurred: 
    98080  
    98081 Traceback (most recent call last): 
    98082 File
    98083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98084 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    98085 if not self.draw_new_frame(): 
    98086 File
    98087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98088 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    98089 changed = view.check_for_drawing_change() 
    98090 File
    98091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98092 packages/chimerax/core/graphics/view.py", line 252, in
    98093 check_for_drawing_change 
    98094 trig.activate_trigger('graphics update', self) 
    98095 File
    98096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98097 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    98098 trigger.activate(data) 
    98099 File
    98100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98101 packages/chimerax/core/triggerset.py", line 190, in activate 
    98102 ret = handler.invoke(data, self._remove_bad_handlers) 
    98103 File
    98104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98105 packages/chimerax/core/triggerset.py", line 132, in invoke 
    98106 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    98107 File
    98108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98109 packages/chimerax/core/session.py", line 943, in <lambda> 
    98110 logger.report_exception(preface=preface)) 
    98111 File
    98112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98113 packages/chimerax/core/logger.py", line 421, in report_exception 
    98114 elif probably_chimera1_session(exc_info): 
    98115 File
    98116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98117 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98118 etype, evalue, etraceback = exc_info 
    98119 TypeError: cannot unpack non-iterable NoneType object 
    98120  
    98121 TypeError: cannot unpack non-iterable NoneType object 
    98122  
    98123 File
    98124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98125 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98126 etype, evalue, etraceback = exc_info 
    98127  
    98128 See log for complete Python traceback. 
    98129  
    98130 Traceback (most recent call last): 
    98131 File
    98132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98133 packages/chimerax/core/triggerset.py", line 130, in invoke 
    98134 return self._func(self._name, data) 
    98135 File
    98136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98137 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    98138 if v.display: 
    98139 File
    98140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98141 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    98142 return self._any_displayed_positions and len(self._positions) > 0 
    98143 TypeError: object of type 'NoneType' has no len() 
    98144  
    98145 During handling of the above exception, another exception occurred: 
    98146  
    98147 Traceback (most recent call last): 
    98148 File
    98149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98150 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    98151 if not self.draw_new_frame(): 
    98152 File
    98153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98154 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    98155 changed = view.check_for_drawing_change() 
    98156 File
    98157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98158 packages/chimerax/core/graphics/view.py", line 252, in
    98159 check_for_drawing_change 
    98160 trig.activate_trigger('graphics update', self) 
    98161 File
    98162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98163 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    98164 trigger.activate(data) 
    98165 File
    98166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98167 packages/chimerax/core/triggerset.py", line 190, in activate 
    98168 ret = handler.invoke(data, self._remove_bad_handlers) 
    98169 File
    98170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98171 packages/chimerax/core/triggerset.py", line 132, in invoke 
    98172 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    98173 File
    98174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98175 packages/chimerax/core/session.py", line 943, in <lambda> 
    98176 logger.report_exception(preface=preface)) 
    98177 File
    98178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98179 packages/chimerax/core/logger.py", line 421, in report_exception 
    98180 elif probably_chimera1_session(exc_info): 
    98181 File
    98182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98183 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98184 etype, evalue, etraceback = exc_info 
    98185 TypeError: cannot unpack non-iterable NoneType object 
    98186  
    98187 TypeError: cannot unpack non-iterable NoneType object 
    98188  
    98189 File
    98190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98191 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98192 etype, evalue, etraceback = exc_info 
    98193  
    98194 See log for complete Python traceback. 
    98195  
    98196 Traceback (most recent call last): 
    98197 File
    98198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98199 packages/chimerax/core/triggerset.py", line 130, in invoke 
    98200 return self._func(self._name, data) 
    98201 File
    98202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98203 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    98204 if v.display: 
    98205 File
    98206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98207 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    98208 return self._any_displayed_positions and len(self._positions) > 0 
    98209 TypeError: object of type 'NoneType' has no len() 
    98210  
    98211 During handling of the above exception, another exception occurred: 
    98212  
    98213 Traceback (most recent call last): 
    98214 File
    98215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98216 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    98217 if not self.draw_new_frame(): 
    98218 File
    98219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98220 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    98221 changed = view.check_for_drawing_change() 
    98222 File
    98223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98224 packages/chimerax/core/graphics/view.py", line 252, in
    98225 check_for_drawing_change 
    98226 trig.activate_trigger('graphics update', self) 
    98227 File
    98228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98229 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    98230 trigger.activate(data) 
    98231 File
    98232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98233 packages/chimerax/core/triggerset.py", line 190, in activate 
    98234 ret = handler.invoke(data, self._remove_bad_handlers) 
    98235 File
    98236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98237 packages/chimerax/core/triggerset.py", line 132, in invoke 
    98238 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    98239 File
    98240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98241 packages/chimerax/core/session.py", line 943, in <lambda> 
    98242 logger.report_exception(preface=preface)) 
    98243 File
    98244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98245 packages/chimerax/core/logger.py", line 421, in report_exception 
    98246 elif probably_chimera1_session(exc_info): 
    98247 File
    98248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98249 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98250 etype, evalue, etraceback = exc_info 
    98251 TypeError: cannot unpack non-iterable NoneType object 
    98252  
    98253 TypeError: cannot unpack non-iterable NoneType object 
    98254  
    98255 File
    98256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98257 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98258 etype, evalue, etraceback = exc_info 
    98259  
    98260 See log for complete Python traceback. 
    98261  
    98262 Traceback (most recent call last): 
    98263 File
    98264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98265 packages/chimerax/core/triggerset.py", line 130, in invoke 
    98266 return self._func(self._name, data) 
    98267 File
    98268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98269 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    98270 if v.display: 
    98271 File
    98272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98273 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    98274 return self._any_displayed_positions and len(self._positions) > 0 
    98275 TypeError: object of type 'NoneType' has no len() 
    98276  
    98277 During handling of the above exception, another exception occurred: 
    98278  
    98279 Traceback (most recent call last): 
    98280 File
    98281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98282 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    98283 if not self.draw_new_frame(): 
    98284 File
    98285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98286 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    98287 changed = view.check_for_drawing_change() 
    98288 File
    98289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98290 packages/chimerax/core/graphics/view.py", line 252, in
    98291 check_for_drawing_change 
    98292 trig.activate_trigger('graphics update', self) 
    98293 File
    98294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98295 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    98296 trigger.activate(data) 
    98297 File
    98298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98299 packages/chimerax/core/triggerset.py", line 190, in activate 
    98300 ret = handler.invoke(data, self._remove_bad_handlers) 
    98301 File
    98302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98303 packages/chimerax/core/triggerset.py", line 132, in invoke 
    98304 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    98305 File
    98306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98307 packages/chimerax/core/session.py", line 943, in <lambda> 
    98308 logger.report_exception(preface=preface)) 
    98309 File
    98310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98311 packages/chimerax/core/logger.py", line 421, in report_exception 
    98312 elif probably_chimera1_session(exc_info): 
    98313 File
    98314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98315 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98316 etype, evalue, etraceback = exc_info 
    98317 TypeError: cannot unpack non-iterable NoneType object 
    98318  
    98319 TypeError: cannot unpack non-iterable NoneType object 
    98320  
    98321 File
    98322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98323 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98324 etype, evalue, etraceback = exc_info 
    98325  
    98326 See log for complete Python traceback. 
    98327  
    98328 Traceback (most recent call last): 
    98329 File
    98330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98331 packages/chimerax/core/triggerset.py", line 130, in invoke 
    98332 return self._func(self._name, data) 
    98333 File
    98334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98335 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    98336 if v.display: 
    98337 File
    98338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98339 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    98340 return self._any_displayed_positions and len(self._positions) > 0 
    98341 TypeError: object of type 'NoneType' has no len() 
    98342  
    98343 During handling of the above exception, another exception occurred: 
    98344  
    98345 Traceback (most recent call last): 
    98346 File
    98347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98348 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    98349 if not self.draw_new_frame(): 
    98350 File
    98351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98352 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    98353 changed = view.check_for_drawing_change() 
    98354 File
    98355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98356 packages/chimerax/core/graphics/view.py", line 252, in
    98357 check_for_drawing_change 
    98358 trig.activate_trigger('graphics update', self) 
    98359 File
    98360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98361 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    98362 trigger.activate(data) 
    98363 File
    98364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98365 packages/chimerax/core/triggerset.py", line 190, in activate 
    98366 ret = handler.invoke(data, self._remove_bad_handlers) 
    98367 File
    98368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98369 packages/chimerax/core/triggerset.py", line 132, in invoke 
    98370 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    98371 File
    98372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98373 packages/chimerax/core/session.py", line 943, in <lambda> 
    98374 logger.report_exception(preface=preface)) 
    98375 File
    98376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98377 packages/chimerax/core/logger.py", line 421, in report_exception 
    98378 elif probably_chimera1_session(exc_info): 
    98379 File
    98380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98381 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98382 etype, evalue, etraceback = exc_info 
    98383 TypeError: cannot unpack non-iterable NoneType object 
    98384  
    98385 TypeError: cannot unpack non-iterable NoneType object 
    98386  
    98387 File
    98388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98389 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98390 etype, evalue, etraceback = exc_info 
    98391  
    98392 See log for complete Python traceback. 
    98393  
    98394 Traceback (most recent call last): 
    98395 File
    98396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98397 packages/chimerax/core/triggerset.py", line 130, in invoke 
    98398 return self._func(self._name, data) 
    98399 File
    98400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98401 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    98402 if v.display: 
    98403 File
    98404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98405 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    98406 return self._any_displayed_positions and len(self._positions) > 0 
    98407 TypeError: object of type 'NoneType' has no len() 
    98408  
    98409 During handling of the above exception, another exception occurred: 
    98410  
    98411 Traceback (most recent call last): 
    98412 File
    98413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98414 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    98415 if not self.draw_new_frame(): 
    98416 File
    98417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98418 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    98419 changed = view.check_for_drawing_change() 
    98420 File
    98421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98422 packages/chimerax/core/graphics/view.py", line 252, in
    98423 check_for_drawing_change 
    98424 trig.activate_trigger('graphics update', self) 
    98425 File
    98426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98427 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    98428 trigger.activate(data) 
    98429 File
    98430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98431 packages/chimerax/core/triggerset.py", line 190, in activate 
    98432 ret = handler.invoke(data, self._remove_bad_handlers) 
    98433 File
    98434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98435 packages/chimerax/core/triggerset.py", line 132, in invoke 
    98436 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    98437 File
    98438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98439 packages/chimerax/core/session.py", line 943, in <lambda> 
    98440 logger.report_exception(preface=preface)) 
    98441 File
    98442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98443 packages/chimerax/core/logger.py", line 421, in report_exception 
    98444 elif probably_chimera1_session(exc_info): 
    98445 File
    98446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98447 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98448 etype, evalue, etraceback = exc_info 
    98449 TypeError: cannot unpack non-iterable NoneType object 
    98450  
    98451 TypeError: cannot unpack non-iterable NoneType object 
    98452  
    98453 File
    98454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98455 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98456 etype, evalue, etraceback = exc_info 
    98457  
    98458 See log for complete Python traceback. 
    98459  
    98460 Traceback (most recent call last): 
    98461 File
    98462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98463 packages/chimerax/core/triggerset.py", line 130, in invoke 
    98464 return self._func(self._name, data) 
    98465 File
    98466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98467 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    98468 if v.display: 
    98469 File
    98470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98471 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    98472 return self._any_displayed_positions and len(self._positions) > 0 
    98473 TypeError: object of type 'NoneType' has no len() 
    98474  
    98475 During handling of the above exception, another exception occurred: 
    98476  
    98477 Traceback (most recent call last): 
    98478 File
    98479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98480 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    98481 if not self.draw_new_frame(): 
    98482 File
    98483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98484 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    98485 changed = view.check_for_drawing_change() 
    98486 File
    98487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98488 packages/chimerax/core/graphics/view.py", line 252, in
    98489 check_for_drawing_change 
    98490 trig.activate_trigger('graphics update', self) 
    98491 File
    98492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98493 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    98494 trigger.activate(data) 
    98495 File
    98496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98497 packages/chimerax/core/triggerset.py", line 190, in activate 
    98498 ret = handler.invoke(data, self._remove_bad_handlers) 
    98499 File
    98500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98501 packages/chimerax/core/triggerset.py", line 132, in invoke 
    98502 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    98503 File
    98504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98505 packages/chimerax/core/session.py", line 943, in <lambda> 
    98506 logger.report_exception(preface=preface)) 
    98507 File
    98508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98509 packages/chimerax/core/logger.py", line 421, in report_exception 
    98510 elif probably_chimera1_session(exc_info): 
    98511 File
    98512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98513 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98514 etype, evalue, etraceback = exc_info 
    98515 TypeError: cannot unpack non-iterable NoneType object 
    98516  
    98517 TypeError: cannot unpack non-iterable NoneType object 
    98518  
    98519 File
    98520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98521 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98522 etype, evalue, etraceback = exc_info 
    98523  
    98524 See log for complete Python traceback. 
    98525  
    98526 Traceback (most recent call last): 
    98527 File
    98528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98529 packages/chimerax/core/triggerset.py", line 130, in invoke 
    98530 return self._func(self._name, data) 
    98531 File
    98532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98533 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    98534 if v.display: 
    98535 File
    98536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98537 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    98538 return self._any_displayed_positions and len(self._positions) > 0 
    98539 TypeError: object of type 'NoneType' has no len() 
    98540  
    98541 During handling of the above exception, another exception occurred: 
    98542  
    98543 Traceback (most recent call last): 
    98544 File
    98545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98546 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    98547 if not self.draw_new_frame(): 
    98548 File
    98549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98550 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    98551 changed = view.check_for_drawing_change() 
    98552 File
    98553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98554 packages/chimerax/core/graphics/view.py", line 252, in
    98555 check_for_drawing_change 
    98556 trig.activate_trigger('graphics update', self) 
    98557 File
    98558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98559 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    98560 trigger.activate(data) 
    98561 File
    98562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98563 packages/chimerax/core/triggerset.py", line 190, in activate 
    98564 ret = handler.invoke(data, self._remove_bad_handlers) 
    98565 File
    98566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98567 packages/chimerax/core/triggerset.py", line 132, in invoke 
    98568 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    98569 File
    98570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98571 packages/chimerax/core/session.py", line 943, in <lambda> 
    98572 logger.report_exception(preface=preface)) 
    98573 File
    98574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98575 packages/chimerax/core/logger.py", line 421, in report_exception 
    98576 elif probably_chimera1_session(exc_info): 
    98577 File
    98578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98579 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98580 etype, evalue, etraceback = exc_info 
    98581 TypeError: cannot unpack non-iterable NoneType object 
    98582  
    98583 TypeError: cannot unpack non-iterable NoneType object 
    98584  
    98585 File
    98586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98587 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98588 etype, evalue, etraceback = exc_info 
    98589  
    98590 See log for complete Python traceback. 
    98591  
    98592 Traceback (most recent call last): 
    98593 File
    98594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98595 packages/chimerax/core/triggerset.py", line 130, in invoke 
    98596 return self._func(self._name, data) 
    98597 File
    98598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98599 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    98600 if v.display: 
    98601 File
    98602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98603 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    98604 return self._any_displayed_positions and len(self._positions) > 0 
    98605 TypeError: object of type 'NoneType' has no len() 
    98606  
    98607 During handling of the above exception, another exception occurred: 
    98608  
    98609 Traceback (most recent call last): 
    98610 File
    98611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98612 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    98613 if not self.draw_new_frame(): 
    98614 File
    98615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98616 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    98617 changed = view.check_for_drawing_change() 
    98618 File
    98619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98620 packages/chimerax/core/graphics/view.py", line 252, in
    98621 check_for_drawing_change 
    98622 trig.activate_trigger('graphics update', self) 
    98623 File
    98624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98625 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    98626 trigger.activate(data) 
    98627 File
    98628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98629 packages/chimerax/core/triggerset.py", line 190, in activate 
    98630 ret = handler.invoke(data, self._remove_bad_handlers) 
    98631 File
    98632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98633 packages/chimerax/core/triggerset.py", line 132, in invoke 
    98634 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    98635 File
    98636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98637 packages/chimerax/core/session.py", line 943, in <lambda> 
    98638 logger.report_exception(preface=preface)) 
    98639 File
    98640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98641 packages/chimerax/core/logger.py", line 421, in report_exception 
    98642 elif probably_chimera1_session(exc_info): 
    98643 File
    98644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98645 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98646 etype, evalue, etraceback = exc_info 
    98647 TypeError: cannot unpack non-iterable NoneType object 
    98648  
    98649 TypeError: cannot unpack non-iterable NoneType object 
    98650  
    98651 File
    98652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98653 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98654 etype, evalue, etraceback = exc_info 
    98655  
    98656 See log for complete Python traceback. 
    98657  
    98658 Traceback (most recent call last): 
    98659 File
    98660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98661 packages/chimerax/core/triggerset.py", line 130, in invoke 
    98662 return self._func(self._name, data) 
    98663 File
    98664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98665 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    98666 if v.display: 
    98667 File
    98668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98669 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    98670 return self._any_displayed_positions and len(self._positions) > 0 
    98671 TypeError: object of type 'NoneType' has no len() 
    98672  
    98673 During handling of the above exception, another exception occurred: 
    98674  
    98675 Traceback (most recent call last): 
    98676 File
    98677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98678 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    98679 if not self.draw_new_frame(): 
    98680 File
    98681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98682 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    98683 changed = view.check_for_drawing_change() 
    98684 File
    98685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98686 packages/chimerax/core/graphics/view.py", line 252, in
    98687 check_for_drawing_change 
    98688 trig.activate_trigger('graphics update', self) 
    98689 File
    98690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98691 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    98692 trigger.activate(data) 
    98693 File
    98694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98695 packages/chimerax/core/triggerset.py", line 190, in activate 
    98696 ret = handler.invoke(data, self._remove_bad_handlers) 
    98697 File
    98698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98699 packages/chimerax/core/triggerset.py", line 132, in invoke 
    98700 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    98701 File
    98702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98703 packages/chimerax/core/session.py", line 943, in <lambda> 
    98704 logger.report_exception(preface=preface)) 
    98705 File
    98706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98707 packages/chimerax/core/logger.py", line 421, in report_exception 
    98708 elif probably_chimera1_session(exc_info): 
    98709 File
    98710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98711 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98712 etype, evalue, etraceback = exc_info 
    98713 TypeError: cannot unpack non-iterable NoneType object 
    98714  
    98715 TypeError: cannot unpack non-iterable NoneType object 
    98716  
    98717 File
    98718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98719 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98720 etype, evalue, etraceback = exc_info 
    98721  
    98722 See log for complete Python traceback. 
    98723  
    98724 Traceback (most recent call last): 
    98725 File
    98726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98727 packages/chimerax/core/triggerset.py", line 130, in invoke 
    98728 return self._func(self._name, data) 
    98729 File
    98730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98731 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    98732 if v.display: 
    98733 File
    98734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98735 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    98736 return self._any_displayed_positions and len(self._positions) > 0 
    98737 TypeError: object of type 'NoneType' has no len() 
    98738  
    98739 During handling of the above exception, another exception occurred: 
    98740  
    98741 Traceback (most recent call last): 
    98742 File
    98743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98744 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    98745 if not self.draw_new_frame(): 
    98746 File
    98747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98748 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    98749 changed = view.check_for_drawing_change() 
    98750 File
    98751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98752 packages/chimerax/core/graphics/view.py", line 252, in
    98753 check_for_drawing_change 
    98754 trig.activate_trigger('graphics update', self) 
    98755 File
    98756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98757 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    98758 trigger.activate(data) 
    98759 File
    98760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98761 packages/chimerax/core/triggerset.py", line 190, in activate 
    98762 ret = handler.invoke(data, self._remove_bad_handlers) 
    98763 File
    98764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98765 packages/chimerax/core/triggerset.py", line 132, in invoke 
    98766 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    98767 File
    98768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98769 packages/chimerax/core/session.py", line 943, in <lambda> 
    98770 logger.report_exception(preface=preface)) 
    98771 File
    98772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98773 packages/chimerax/core/logger.py", line 421, in report_exception 
    98774 elif probably_chimera1_session(exc_info): 
    98775 File
    98776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98777 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98778 etype, evalue, etraceback = exc_info 
    98779 TypeError: cannot unpack non-iterable NoneType object 
    98780  
    98781 TypeError: cannot unpack non-iterable NoneType object 
    98782  
    98783 File
    98784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98785 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98786 etype, evalue, etraceback = exc_info 
    98787  
    98788 See log for complete Python traceback. 
    98789  
    98790 Traceback (most recent call last): 
    98791 File
    98792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98793 packages/chimerax/core/triggerset.py", line 130, in invoke 
    98794 return self._func(self._name, data) 
    98795 File
    98796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98797 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    98798 if v.display: 
    98799 File
    98800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98801 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    98802 return self._any_displayed_positions and len(self._positions) > 0 
    98803 TypeError: object of type 'NoneType' has no len() 
    98804  
    98805 During handling of the above exception, another exception occurred: 
    98806  
    98807 Traceback (most recent call last): 
    98808 File
    98809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98810 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    98811 if not self.draw_new_frame(): 
    98812 File
    98813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98814 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    98815 changed = view.check_for_drawing_change() 
    98816 File
    98817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98818 packages/chimerax/core/graphics/view.py", line 252, in
    98819 check_for_drawing_change 
    98820 trig.activate_trigger('graphics update', self) 
    98821 File
    98822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98823 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    98824 trigger.activate(data) 
    98825 File
    98826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98827 packages/chimerax/core/triggerset.py", line 190, in activate 
    98828 ret = handler.invoke(data, self._remove_bad_handlers) 
    98829 File
    98830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98831 packages/chimerax/core/triggerset.py", line 132, in invoke 
    98832 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    98833 File
    98834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98835 packages/chimerax/core/session.py", line 943, in <lambda> 
    98836 logger.report_exception(preface=preface)) 
    98837 File
    98838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98839 packages/chimerax/core/logger.py", line 421, in report_exception 
    98840 elif probably_chimera1_session(exc_info): 
    98841 File
    98842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98843 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98844 etype, evalue, etraceback = exc_info 
    98845 TypeError: cannot unpack non-iterable NoneType object 
    98846  
    98847 TypeError: cannot unpack non-iterable NoneType object 
    98848  
    98849 File
    98850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98851 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98852 etype, evalue, etraceback = exc_info 
    98853  
    98854 See log for complete Python traceback. 
    98855  
    98856 Traceback (most recent call last): 
    98857 File
    98858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98859 packages/chimerax/core/triggerset.py", line 130, in invoke 
    98860 return self._func(self._name, data) 
    98861 File
    98862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98863 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    98864 if v.display: 
    98865 File
    98866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98867 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    98868 return self._any_displayed_positions and len(self._positions) > 0 
    98869 TypeError: object of type 'NoneType' has no len() 
    98870  
    98871 During handling of the above exception, another exception occurred: 
    98872  
    98873 Traceback (most recent call last): 
    98874 File
    98875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98876 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    98877 if not self.draw_new_frame(): 
    98878 File
    98879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98880 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    98881 changed = view.check_for_drawing_change() 
    98882 File
    98883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98884 packages/chimerax/core/graphics/view.py", line 252, in
    98885 check_for_drawing_change 
    98886 trig.activate_trigger('graphics update', self) 
    98887 File
    98888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98889 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    98890 trigger.activate(data) 
    98891 File
    98892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98893 packages/chimerax/core/triggerset.py", line 190, in activate 
    98894 ret = handler.invoke(data, self._remove_bad_handlers) 
    98895 File
    98896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98897 packages/chimerax/core/triggerset.py", line 132, in invoke 
    98898 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    98899 File
    98900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98901 packages/chimerax/core/session.py", line 943, in <lambda> 
    98902 logger.report_exception(preface=preface)) 
    98903 File
    98904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98905 packages/chimerax/core/logger.py", line 421, in report_exception 
    98906 elif probably_chimera1_session(exc_info): 
    98907 File
    98908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98909 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98910 etype, evalue, etraceback = exc_info 
    98911 TypeError: cannot unpack non-iterable NoneType object 
    98912  
    98913 TypeError: cannot unpack non-iterable NoneType object 
    98914  
    98915 File
    98916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98917 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98918 etype, evalue, etraceback = exc_info 
    98919  
    98920 See log for complete Python traceback. 
    98921  
    98922 Traceback (most recent call last): 
    98923 File
    98924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98925 packages/chimerax/core/triggerset.py", line 130, in invoke 
    98926 return self._func(self._name, data) 
    98927 File
    98928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98929 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    98930 if v.display: 
    98931 File
    98932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98933 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    98934 return self._any_displayed_positions and len(self._positions) > 0 
    98935 TypeError: object of type 'NoneType' has no len() 
    98936  
    98937 During handling of the above exception, another exception occurred: 
    98938  
    98939 Traceback (most recent call last): 
    98940 File
    98941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98942 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    98943 if not self.draw_new_frame(): 
    98944 File
    98945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98946 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    98947 changed = view.check_for_drawing_change() 
    98948 File
    98949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98950 packages/chimerax/core/graphics/view.py", line 252, in
    98951 check_for_drawing_change 
    98952 trig.activate_trigger('graphics update', self) 
    98953 File
    98954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98955 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    98956 trigger.activate(data) 
    98957 File
    98958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98959 packages/chimerax/core/triggerset.py", line 190, in activate 
    98960 ret = handler.invoke(data, self._remove_bad_handlers) 
    98961 File
    98962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98963 packages/chimerax/core/triggerset.py", line 132, in invoke 
    98964 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    98965 File
    98966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98967 packages/chimerax/core/session.py", line 943, in <lambda> 
    98968 logger.report_exception(preface=preface)) 
    98969 File
    98970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98971 packages/chimerax/core/logger.py", line 421, in report_exception 
    98972 elif probably_chimera1_session(exc_info): 
    98973 File
    98974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98975 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98976 etype, evalue, etraceback = exc_info 
    98977 TypeError: cannot unpack non-iterable NoneType object 
    98978  
    98979 TypeError: cannot unpack non-iterable NoneType object 
    98980  
    98981 File
    98982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98983 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    98984 etype, evalue, etraceback = exc_info 
    98985  
    98986 See log for complete Python traceback. 
    98987  
    98988 Traceback (most recent call last): 
    98989 File
    98990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98991 packages/chimerax/core/triggerset.py", line 130, in invoke 
    98992 return self._func(self._name, data) 
    98993 File
    98994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98995 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    98996 if v.display: 
    98997 File
    98998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    98999 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    99000 return self._any_displayed_positions and len(self._positions) > 0 
    99001 TypeError: object of type 'NoneType' has no len() 
    99002  
    99003 During handling of the above exception, another exception occurred: 
    99004  
    99005 Traceback (most recent call last): 
    99006 File
    99007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99008 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    99009 if not self.draw_new_frame(): 
    99010 File
    99011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99012 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    99013 changed = view.check_for_drawing_change() 
    99014 File
    99015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99016 packages/chimerax/core/graphics/view.py", line 252, in
    99017 check_for_drawing_change 
    99018 trig.activate_trigger('graphics update', self) 
    99019 File
    99020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99021 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    99022 trigger.activate(data) 
    99023 File
    99024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99025 packages/chimerax/core/triggerset.py", line 190, in activate 
    99026 ret = handler.invoke(data, self._remove_bad_handlers) 
    99027 File
    99028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99029 packages/chimerax/core/triggerset.py", line 132, in invoke 
    99030 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    99031 File
    99032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99033 packages/chimerax/core/session.py", line 943, in <lambda> 
    99034 logger.report_exception(preface=preface)) 
    99035 File
    99036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99037 packages/chimerax/core/logger.py", line 421, in report_exception 
    99038 elif probably_chimera1_session(exc_info): 
    99039 File
    99040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99041 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99042 etype, evalue, etraceback = exc_info 
    99043 TypeError: cannot unpack non-iterable NoneType object 
    99044  
    99045 TypeError: cannot unpack non-iterable NoneType object 
    99046  
    99047 File
    99048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99049 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99050 etype, evalue, etraceback = exc_info 
    99051  
    99052 See log for complete Python traceback. 
    99053  
    99054 Traceback (most recent call last): 
    99055 File
    99056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99057 packages/chimerax/core/triggerset.py", line 130, in invoke 
    99058 return self._func(self._name, data) 
    99059 File
    99060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99061 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    99062 if v.display: 
    99063 File
    99064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99065 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    99066 return self._any_displayed_positions and len(self._positions) > 0 
    99067 TypeError: object of type 'NoneType' has no len() 
    99068  
    99069 During handling of the above exception, another exception occurred: 
    99070  
    99071 Traceback (most recent call last): 
    99072 File
    99073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99074 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    99075 if not self.draw_new_frame(): 
    99076 File
    99077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99078 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    99079 changed = view.check_for_drawing_change() 
    99080 File
    99081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99082 packages/chimerax/core/graphics/view.py", line 252, in
    99083 check_for_drawing_change 
    99084 trig.activate_trigger('graphics update', self) 
    99085 File
    99086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99087 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    99088 trigger.activate(data) 
    99089 File
    99090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99091 packages/chimerax/core/triggerset.py", line 190, in activate 
    99092 ret = handler.invoke(data, self._remove_bad_handlers) 
    99093 File
    99094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99095 packages/chimerax/core/triggerset.py", line 132, in invoke 
    99096 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    99097 File
    99098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99099 packages/chimerax/core/session.py", line 943, in <lambda> 
    99100 logger.report_exception(preface=preface)) 
    99101 File
    99102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99103 packages/chimerax/core/logger.py", line 421, in report_exception 
    99104 elif probably_chimera1_session(exc_info): 
    99105 File
    99106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99107 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99108 etype, evalue, etraceback = exc_info 
    99109 TypeError: cannot unpack non-iterable NoneType object 
    99110  
    99111 TypeError: cannot unpack non-iterable NoneType object 
    99112  
    99113 File
    99114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99115 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99116 etype, evalue, etraceback = exc_info 
    99117  
    99118 See log for complete Python traceback. 
    99119  
    99120 Traceback (most recent call last): 
    99121 File
    99122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99123 packages/chimerax/core/triggerset.py", line 130, in invoke 
    99124 return self._func(self._name, data) 
    99125 File
    99126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99127 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    99128 if v.display: 
    99129 File
    99130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99131 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    99132 return self._any_displayed_positions and len(self._positions) > 0 
    99133 TypeError: object of type 'NoneType' has no len() 
    99134  
    99135 During handling of the above exception, another exception occurred: 
    99136  
    99137 Traceback (most recent call last): 
    99138 File
    99139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99140 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    99141 if not self.draw_new_frame(): 
    99142 File
    99143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99144 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    99145 changed = view.check_for_drawing_change() 
    99146 File
    99147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99148 packages/chimerax/core/graphics/view.py", line 252, in
    99149 check_for_drawing_change 
    99150 trig.activate_trigger('graphics update', self) 
    99151 File
    99152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99153 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    99154 trigger.activate(data) 
    99155 File
    99156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99157 packages/chimerax/core/triggerset.py", line 190, in activate 
    99158 ret = handler.invoke(data, self._remove_bad_handlers) 
    99159 File
    99160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99161 packages/chimerax/core/triggerset.py", line 132, in invoke 
    99162 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    99163 File
    99164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99165 packages/chimerax/core/session.py", line 943, in <lambda> 
    99166 logger.report_exception(preface=preface)) 
    99167 File
    99168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99169 packages/chimerax/core/logger.py", line 421, in report_exception 
    99170 elif probably_chimera1_session(exc_info): 
    99171 File
    99172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99173 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99174 etype, evalue, etraceback = exc_info 
    99175 TypeError: cannot unpack non-iterable NoneType object 
    99176  
    99177 TypeError: cannot unpack non-iterable NoneType object 
    99178  
    99179 File
    99180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99181 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99182 etype, evalue, etraceback = exc_info 
    99183  
    99184 See log for complete Python traceback. 
    99185  
    99186 Traceback (most recent call last): 
    99187 File
    99188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99189 packages/chimerax/core/triggerset.py", line 130, in invoke 
    99190 return self._func(self._name, data) 
    99191 File
    99192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99193 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    99194 if v.display: 
    99195 File
    99196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99197 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    99198 return self._any_displayed_positions and len(self._positions) > 0 
    99199 TypeError: object of type 'NoneType' has no len() 
    99200  
    99201 During handling of the above exception, another exception occurred: 
    99202  
    99203 Traceback (most recent call last): 
    99204 File
    99205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99206 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    99207 if not self.draw_new_frame(): 
    99208 File
    99209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99210 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    99211 changed = view.check_for_drawing_change() 
    99212 File
    99213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99214 packages/chimerax/core/graphics/view.py", line 252, in
    99215 check_for_drawing_change 
    99216 trig.activate_trigger('graphics update', self) 
    99217 File
    99218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99219 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    99220 trigger.activate(data) 
    99221 File
    99222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99223 packages/chimerax/core/triggerset.py", line 190, in activate 
    99224 ret = handler.invoke(data, self._remove_bad_handlers) 
    99225 File
    99226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99227 packages/chimerax/core/triggerset.py", line 132, in invoke 
    99228 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    99229 File
    99230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99231 packages/chimerax/core/session.py", line 943, in <lambda> 
    99232 logger.report_exception(preface=preface)) 
    99233 File
    99234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99235 packages/chimerax/core/logger.py", line 421, in report_exception 
    99236 elif probably_chimera1_session(exc_info): 
    99237 File
    99238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99239 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99240 etype, evalue, etraceback = exc_info 
    99241 TypeError: cannot unpack non-iterable NoneType object 
    99242  
    99243 TypeError: cannot unpack non-iterable NoneType object 
    99244  
    99245 File
    99246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99247 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99248 etype, evalue, etraceback = exc_info 
    99249  
    99250 See log for complete Python traceback. 
    99251  
    99252 Traceback (most recent call last): 
    99253 File
    99254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99255 packages/chimerax/core/triggerset.py", line 130, in invoke 
    99256 return self._func(self._name, data) 
    99257 File
    99258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99259 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    99260 if v.display: 
    99261 File
    99262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99263 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    99264 return self._any_displayed_positions and len(self._positions) > 0 
    99265 TypeError: object of type 'NoneType' has no len() 
    99266  
    99267 During handling of the above exception, another exception occurred: 
    99268  
    99269 Traceback (most recent call last): 
    99270 File
    99271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99272 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    99273 if not self.draw_new_frame(): 
    99274 File
    99275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99276 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    99277 changed = view.check_for_drawing_change() 
    99278 File
    99279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99280 packages/chimerax/core/graphics/view.py", line 252, in
    99281 check_for_drawing_change 
    99282 trig.activate_trigger('graphics update', self) 
    99283 File
    99284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99285 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    99286 trigger.activate(data) 
    99287 File
    99288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99289 packages/chimerax/core/triggerset.py", line 190, in activate 
    99290 ret = handler.invoke(data, self._remove_bad_handlers) 
    99291 File
    99292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99293 packages/chimerax/core/triggerset.py", line 132, in invoke 
    99294 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    99295 File
    99296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99297 packages/chimerax/core/session.py", line 943, in <lambda> 
    99298 logger.report_exception(preface=preface)) 
    99299 File
    99300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99301 packages/chimerax/core/logger.py", line 421, in report_exception 
    99302 elif probably_chimera1_session(exc_info): 
    99303 File
    99304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99305 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99306 etype, evalue, etraceback = exc_info 
    99307 TypeError: cannot unpack non-iterable NoneType object 
    99308  
    99309 TypeError: cannot unpack non-iterable NoneType object 
    99310  
    99311 File
    99312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99313 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99314 etype, evalue, etraceback = exc_info 
    99315  
    99316 See log for complete Python traceback. 
    99317  
    99318 Traceback (most recent call last): 
    99319 File
    99320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99321 packages/chimerax/core/triggerset.py", line 130, in invoke 
    99322 return self._func(self._name, data) 
    99323 File
    99324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99325 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    99326 if v.display: 
    99327 File
    99328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99329 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    99330 return self._any_displayed_positions and len(self._positions) > 0 
    99331 TypeError: object of type 'NoneType' has no len() 
    99332  
    99333 During handling of the above exception, another exception occurred: 
    99334  
    99335 Traceback (most recent call last): 
    99336 File
    99337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99338 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    99339 if not self.draw_new_frame(): 
    99340 File
    99341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99342 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    99343 changed = view.check_for_drawing_change() 
    99344 File
    99345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99346 packages/chimerax/core/graphics/view.py", line 252, in
    99347 check_for_drawing_change 
    99348 trig.activate_trigger('graphics update', self) 
    99349 File
    99350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99351 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    99352 trigger.activate(data) 
    99353 File
    99354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99355 packages/chimerax/core/triggerset.py", line 190, in activate 
    99356 ret = handler.invoke(data, self._remove_bad_handlers) 
    99357 File
    99358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99359 packages/chimerax/core/triggerset.py", line 132, in invoke 
    99360 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    99361 File
    99362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99363 packages/chimerax/core/session.py", line 943, in <lambda> 
    99364 logger.report_exception(preface=preface)) 
    99365 File
    99366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99367 packages/chimerax/core/logger.py", line 421, in report_exception 
    99368 elif probably_chimera1_session(exc_info): 
    99369 File
    99370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99371 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99372 etype, evalue, etraceback = exc_info 
    99373 TypeError: cannot unpack non-iterable NoneType object 
    99374  
    99375 TypeError: cannot unpack non-iterable NoneType object 
    99376  
    99377 File
    99378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99379 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99380 etype, evalue, etraceback = exc_info 
    99381  
    99382 See log for complete Python traceback. 
    99383  
    99384 Traceback (most recent call last): 
    99385 File
    99386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99387 packages/chimerax/core/triggerset.py", line 130, in invoke 
    99388 return self._func(self._name, data) 
    99389 File
    99390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99391 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    99392 if v.display: 
    99393 File
    99394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99395 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    99396 return self._any_displayed_positions and len(self._positions) > 0 
    99397 TypeError: object of type 'NoneType' has no len() 
    99398  
    99399 During handling of the above exception, another exception occurred: 
    99400  
    99401 Traceback (most recent call last): 
    99402 File
    99403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99404 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    99405 if not self.draw_new_frame(): 
    99406 File
    99407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99408 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    99409 changed = view.check_for_drawing_change() 
    99410 File
    99411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99412 packages/chimerax/core/graphics/view.py", line 252, in
    99413 check_for_drawing_change 
    99414 trig.activate_trigger('graphics update', self) 
    99415 File
    99416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99417 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    99418 trigger.activate(data) 
    99419 File
    99420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99421 packages/chimerax/core/triggerset.py", line 190, in activate 
    99422 ret = handler.invoke(data, self._remove_bad_handlers) 
    99423 File
    99424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99425 packages/chimerax/core/triggerset.py", line 132, in invoke 
    99426 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    99427 File
    99428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99429 packages/chimerax/core/session.py", line 943, in <lambda> 
    99430 logger.report_exception(preface=preface)) 
    99431 File
    99432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99433 packages/chimerax/core/logger.py", line 421, in report_exception 
    99434 elif probably_chimera1_session(exc_info): 
    99435 File
    99436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99437 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99438 etype, evalue, etraceback = exc_info 
    99439 TypeError: cannot unpack non-iterable NoneType object 
    99440  
    99441 TypeError: cannot unpack non-iterable NoneType object 
    99442  
    99443 File
    99444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99445 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99446 etype, evalue, etraceback = exc_info 
    99447  
    99448 See log for complete Python traceback. 
    99449  
    99450 Traceback (most recent call last): 
    99451 File
    99452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99453 packages/chimerax/core/triggerset.py", line 130, in invoke 
    99454 return self._func(self._name, data) 
    99455 File
    99456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99457 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    99458 if v.display: 
    99459 File
    99460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99461 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    99462 return self._any_displayed_positions and len(self._positions) > 0 
    99463 TypeError: object of type 'NoneType' has no len() 
    99464  
    99465 During handling of the above exception, another exception occurred: 
    99466  
    99467 Traceback (most recent call last): 
    99468 File
    99469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99470 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    99471 if not self.draw_new_frame(): 
    99472 File
    99473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99474 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    99475 changed = view.check_for_drawing_change() 
    99476 File
    99477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99478 packages/chimerax/core/graphics/view.py", line 252, in
    99479 check_for_drawing_change 
    99480 trig.activate_trigger('graphics update', self) 
    99481 File
    99482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99483 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    99484 trigger.activate(data) 
    99485 File
    99486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99487 packages/chimerax/core/triggerset.py", line 190, in activate 
    99488 ret = handler.invoke(data, self._remove_bad_handlers) 
    99489 File
    99490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99491 packages/chimerax/core/triggerset.py", line 132, in invoke 
    99492 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    99493 File
    99494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99495 packages/chimerax/core/session.py", line 943, in <lambda> 
    99496 logger.report_exception(preface=preface)) 
    99497 File
    99498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99499 packages/chimerax/core/logger.py", line 421, in report_exception 
    99500 elif probably_chimera1_session(exc_info): 
    99501 File
    99502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99503 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99504 etype, evalue, etraceback = exc_info 
    99505 TypeError: cannot unpack non-iterable NoneType object 
    99506  
    99507 TypeError: cannot unpack non-iterable NoneType object 
    99508  
    99509 File
    99510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99511 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99512 etype, evalue, etraceback = exc_info 
    99513  
    99514 See log for complete Python traceback. 
    99515  
    99516 Traceback (most recent call last): 
    99517 File
    99518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99519 packages/chimerax/core/triggerset.py", line 130, in invoke 
    99520 return self._func(self._name, data) 
    99521 File
    99522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99523 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    99524 if v.display: 
    99525 File
    99526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99527 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    99528 return self._any_displayed_positions and len(self._positions) > 0 
    99529 TypeError: object of type 'NoneType' has no len() 
    99530  
    99531 During handling of the above exception, another exception occurred: 
    99532  
    99533 Traceback (most recent call last): 
    99534 File
    99535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99536 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    99537 if not self.draw_new_frame(): 
    99538 File
    99539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99540 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    99541 changed = view.check_for_drawing_change() 
    99542 File
    99543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99544 packages/chimerax/core/graphics/view.py", line 252, in
    99545 check_for_drawing_change 
    99546 trig.activate_trigger('graphics update', self) 
    99547 File
    99548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99549 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    99550 trigger.activate(data) 
    99551 File
    99552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99553 packages/chimerax/core/triggerset.py", line 190, in activate 
    99554 ret = handler.invoke(data, self._remove_bad_handlers) 
    99555 File
    99556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99557 packages/chimerax/core/triggerset.py", line 132, in invoke 
    99558 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    99559 File
    99560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99561 packages/chimerax/core/session.py", line 943, in <lambda> 
    99562 logger.report_exception(preface=preface)) 
    99563 File
    99564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99565 packages/chimerax/core/logger.py", line 421, in report_exception 
    99566 elif probably_chimera1_session(exc_info): 
    99567 File
    99568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99569 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99570 etype, evalue, etraceback = exc_info 
    99571 TypeError: cannot unpack non-iterable NoneType object 
    99572  
    99573 TypeError: cannot unpack non-iterable NoneType object 
    99574  
    99575 File
    99576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99577 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99578 etype, evalue, etraceback = exc_info 
    99579  
    99580 See log for complete Python traceback. 
    99581  
    99582 Traceback (most recent call last): 
    99583 File
    99584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99585 packages/chimerax/core/triggerset.py", line 130, in invoke 
    99586 return self._func(self._name, data) 
    99587 File
    99588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99589 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    99590 if v.display: 
    99591 File
    99592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99593 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    99594 return self._any_displayed_positions and len(self._positions) > 0 
    99595 TypeError: object of type 'NoneType' has no len() 
    99596  
    99597 During handling of the above exception, another exception occurred: 
    99598  
    99599 Traceback (most recent call last): 
    99600 File
    99601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99602 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    99603 if not self.draw_new_frame(): 
    99604 File
    99605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99606 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    99607 changed = view.check_for_drawing_change() 
    99608 File
    99609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99610 packages/chimerax/core/graphics/view.py", line 252, in
    99611 check_for_drawing_change 
    99612 trig.activate_trigger('graphics update', self) 
    99613 File
    99614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99615 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    99616 trigger.activate(data) 
    99617 File
    99618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99619 packages/chimerax/core/triggerset.py", line 190, in activate 
    99620 ret = handler.invoke(data, self._remove_bad_handlers) 
    99621 File
    99622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99623 packages/chimerax/core/triggerset.py", line 132, in invoke 
    99624 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    99625 File
    99626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99627 packages/chimerax/core/session.py", line 943, in <lambda> 
    99628 logger.report_exception(preface=preface)) 
    99629 File
    99630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99631 packages/chimerax/core/logger.py", line 421, in report_exception 
    99632 elif probably_chimera1_session(exc_info): 
    99633 File
    99634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99635 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99636 etype, evalue, etraceback = exc_info 
    99637 TypeError: cannot unpack non-iterable NoneType object 
    99638  
    99639 TypeError: cannot unpack non-iterable NoneType object 
    99640  
    99641 File
    99642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99643 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99644 etype, evalue, etraceback = exc_info 
    99645  
    99646 See log for complete Python traceback. 
    99647  
    99648 Traceback (most recent call last): 
    99649 File
    99650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99651 packages/chimerax/core/triggerset.py", line 130, in invoke 
    99652 return self._func(self._name, data) 
    99653 File
    99654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99655 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    99656 if v.display: 
    99657 File
    99658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99659 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    99660 return self._any_displayed_positions and len(self._positions) > 0 
    99661 TypeError: object of type 'NoneType' has no len() 
    99662  
    99663 During handling of the above exception, another exception occurred: 
    99664  
    99665 Traceback (most recent call last): 
    99666 File
    99667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99668 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    99669 if not self.draw_new_frame(): 
    99670 File
    99671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99672 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    99673 changed = view.check_for_drawing_change() 
    99674 File
    99675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99676 packages/chimerax/core/graphics/view.py", line 252, in
    99677 check_for_drawing_change 
    99678 trig.activate_trigger('graphics update', self) 
    99679 File
    99680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99681 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    99682 trigger.activate(data) 
    99683 File
    99684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99685 packages/chimerax/core/triggerset.py", line 190, in activate 
    99686 ret = handler.invoke(data, self._remove_bad_handlers) 
    99687 File
    99688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99689 packages/chimerax/core/triggerset.py", line 132, in invoke 
    99690 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    99691 File
    99692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99693 packages/chimerax/core/session.py", line 943, in <lambda> 
    99694 logger.report_exception(preface=preface)) 
    99695 File
    99696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99697 packages/chimerax/core/logger.py", line 421, in report_exception 
    99698 elif probably_chimera1_session(exc_info): 
    99699 File
    99700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99701 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99702 etype, evalue, etraceback = exc_info 
    99703 TypeError: cannot unpack non-iterable NoneType object 
    99704  
    99705 TypeError: cannot unpack non-iterable NoneType object 
    99706  
    99707 File
    99708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99709 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99710 etype, evalue, etraceback = exc_info 
    99711  
    99712 See log for complete Python traceback. 
    99713  
    99714 Traceback (most recent call last): 
    99715 File
    99716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99717 packages/chimerax/core/triggerset.py", line 130, in invoke 
    99718 return self._func(self._name, data) 
    99719 File
    99720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99721 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    99722 if v.display: 
    99723 File
    99724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99725 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    99726 return self._any_displayed_positions and len(self._positions) > 0 
    99727 TypeError: object of type 'NoneType' has no len() 
    99728  
    99729 During handling of the above exception, another exception occurred: 
    99730  
    99731 Traceback (most recent call last): 
    99732 File
    99733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99734 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    99735 if not self.draw_new_frame(): 
    99736 File
    99737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99738 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    99739 changed = view.check_for_drawing_change() 
    99740 File
    99741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99742 packages/chimerax/core/graphics/view.py", line 252, in
    99743 check_for_drawing_change 
    99744 trig.activate_trigger('graphics update', self) 
    99745 File
    99746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99747 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    99748 trigger.activate(data) 
    99749 File
    99750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99751 packages/chimerax/core/triggerset.py", line 190, in activate 
    99752 ret = handler.invoke(data, self._remove_bad_handlers) 
    99753 File
    99754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99755 packages/chimerax/core/triggerset.py", line 132, in invoke 
    99756 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    99757 File
    99758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99759 packages/chimerax/core/session.py", line 943, in <lambda> 
    99760 logger.report_exception(preface=preface)) 
    99761 File
    99762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99763 packages/chimerax/core/logger.py", line 421, in report_exception 
    99764 elif probably_chimera1_session(exc_info): 
    99765 File
    99766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99767 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99768 etype, evalue, etraceback = exc_info 
    99769 TypeError: cannot unpack non-iterable NoneType object 
    99770  
    99771 TypeError: cannot unpack non-iterable NoneType object 
    99772  
    99773 File
    99774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99775 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99776 etype, evalue, etraceback = exc_info 
    99777  
    99778 See log for complete Python traceback. 
    99779  
    99780 Traceback (most recent call last): 
    99781 File
    99782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99783 packages/chimerax/core/triggerset.py", line 130, in invoke 
    99784 return self._func(self._name, data) 
    99785 File
    99786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99787 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    99788 if v.display: 
    99789 File
    99790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99791 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    99792 return self._any_displayed_positions and len(self._positions) > 0 
    99793 TypeError: object of type 'NoneType' has no len() 
    99794  
    99795 During handling of the above exception, another exception occurred: 
    99796  
    99797 Traceback (most recent call last): 
    99798 File
    99799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99800 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    99801 if not self.draw_new_frame(): 
    99802 File
    99803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99804 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    99805 changed = view.check_for_drawing_change() 
    99806 File
    99807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99808 packages/chimerax/core/graphics/view.py", line 252, in
    99809 check_for_drawing_change 
    99810 trig.activate_trigger('graphics update', self) 
    99811 File
    99812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99813 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    99814 trigger.activate(data) 
    99815 File
    99816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99817 packages/chimerax/core/triggerset.py", line 190, in activate 
    99818 ret = handler.invoke(data, self._remove_bad_handlers) 
    99819 File
    99820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99821 packages/chimerax/core/triggerset.py", line 132, in invoke 
    99822 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    99823 File
    99824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99825 packages/chimerax/core/session.py", line 943, in <lambda> 
    99826 logger.report_exception(preface=preface)) 
    99827 File
    99828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99829 packages/chimerax/core/logger.py", line 421, in report_exception 
    99830 elif probably_chimera1_session(exc_info): 
    99831 File
    99832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99833 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99834 etype, evalue, etraceback = exc_info 
    99835 TypeError: cannot unpack non-iterable NoneType object 
    99836  
    99837 TypeError: cannot unpack non-iterable NoneType object 
    99838  
    99839 File
    99840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99841 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99842 etype, evalue, etraceback = exc_info 
    99843  
    99844 See log for complete Python traceback. 
    99845  
    99846 Traceback (most recent call last): 
    99847 File
    99848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99849 packages/chimerax/core/triggerset.py", line 130, in invoke 
    99850 return self._func(self._name, data) 
    99851 File
    99852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99853 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    99854 if v.display: 
    99855 File
    99856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99857 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    99858 return self._any_displayed_positions and len(self._positions) > 0 
    99859 TypeError: object of type 'NoneType' has no len() 
    99860  
    99861 During handling of the above exception, another exception occurred: 
    99862  
    99863 Traceback (most recent call last): 
    99864 File
    99865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99866 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    99867 if not self.draw_new_frame(): 
    99868 File
    99869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99870 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    99871 changed = view.check_for_drawing_change() 
    99872 File
    99873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99874 packages/chimerax/core/graphics/view.py", line 252, in
    99875 check_for_drawing_change 
    99876 trig.activate_trigger('graphics update', self) 
    99877 File
    99878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99879 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    99880 trigger.activate(data) 
    99881 File
    99882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99883 packages/chimerax/core/triggerset.py", line 190, in activate 
    99884 ret = handler.invoke(data, self._remove_bad_handlers) 
    99885 File
    99886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99887 packages/chimerax/core/triggerset.py", line 132, in invoke 
    99888 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    99889 File
    99890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99891 packages/chimerax/core/session.py", line 943, in <lambda> 
    99892 logger.report_exception(preface=preface)) 
    99893 File
    99894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99895 packages/chimerax/core/logger.py", line 421, in report_exception 
    99896 elif probably_chimera1_session(exc_info): 
    99897 File
    99898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99899 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99900 etype, evalue, etraceback = exc_info 
    99901 TypeError: cannot unpack non-iterable NoneType object 
    99902  
    99903 TypeError: cannot unpack non-iterable NoneType object 
    99904  
    99905 File
    99906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99907 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99908 etype, evalue, etraceback = exc_info 
    99909  
    99910 See log for complete Python traceback. 
    99911  
    99912 Traceback (most recent call last): 
    99913 File
    99914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99915 packages/chimerax/core/triggerset.py", line 130, in invoke 
    99916 return self._func(self._name, data) 
    99917 File
    99918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99919 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    99920 if v.display: 
    99921 File
    99922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99923 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    99924 return self._any_displayed_positions and len(self._positions) > 0 
    99925 TypeError: object of type 'NoneType' has no len() 
    99926  
    99927 During handling of the above exception, another exception occurred: 
    99928  
    99929 Traceback (most recent call last): 
    99930 File
    99931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99932 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    99933 if not self.draw_new_frame(): 
    99934 File
    99935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99936 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    99937 changed = view.check_for_drawing_change() 
    99938 File
    99939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99940 packages/chimerax/core/graphics/view.py", line 252, in
    99941 check_for_drawing_change 
    99942 trig.activate_trigger('graphics update', self) 
    99943 File
    99944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99945 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    99946 trigger.activate(data) 
    99947 File
    99948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99949 packages/chimerax/core/triggerset.py", line 190, in activate 
    99950 ret = handler.invoke(data, self._remove_bad_handlers) 
    99951 File
    99952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99953 packages/chimerax/core/triggerset.py", line 132, in invoke 
    99954 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    99955 File
    99956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99957 packages/chimerax/core/session.py", line 943, in <lambda> 
    99958 logger.report_exception(preface=preface)) 
    99959 File
    99960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99961 packages/chimerax/core/logger.py", line 421, in report_exception 
    99962 elif probably_chimera1_session(exc_info): 
    99963 File
    99964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99965 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99966 etype, evalue, etraceback = exc_info 
    99967 TypeError: cannot unpack non-iterable NoneType object 
    99968  
    99969 TypeError: cannot unpack non-iterable NoneType object 
    99970  
    99971 File
    99972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99973 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    99974 etype, evalue, etraceback = exc_info 
    99975  
    99976 See log for complete Python traceback. 
    99977  
    99978 Traceback (most recent call last): 
    99979 File
    99980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99981 packages/chimerax/core/triggerset.py", line 130, in invoke 
    99982 return self._func(self._name, data) 
    99983 File
    99984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99985 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    99986 if v.display: 
    99987 File
    99988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99989 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    99990 return self._any_displayed_positions and len(self._positions) > 0 
    99991 TypeError: object of type 'NoneType' has no len() 
    99992  
    99993 During handling of the above exception, another exception occurred: 
    99994  
    99995 Traceback (most recent call last): 
    99996 File
    99997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    99998 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    99999 if not self.draw_new_frame(): 
    100000 File
    100001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100002 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    100003 changed = view.check_for_drawing_change() 
    100004 File
    100005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100006 packages/chimerax/core/graphics/view.py", line 252, in
    100007 check_for_drawing_change 
    100008 trig.activate_trigger('graphics update', self) 
    100009 File
    100010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100011 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    100012 trigger.activate(data) 
    100013 File
    100014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100015 packages/chimerax/core/triggerset.py", line 190, in activate 
    100016 ret = handler.invoke(data, self._remove_bad_handlers) 
    100017 File
    100018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100019 packages/chimerax/core/triggerset.py", line 132, in invoke 
    100020 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    100021 File
    100022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100023 packages/chimerax/core/session.py", line 943, in <lambda> 
    100024 logger.report_exception(preface=preface)) 
    100025 File
    100026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100027 packages/chimerax/core/logger.py", line 421, in report_exception 
    100028 elif probably_chimera1_session(exc_info): 
    100029 File
    100030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100031 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    100032 etype, evalue, etraceback = exc_info 
    100033 TypeError: cannot unpack non-iterable NoneType object 
    100034  
    100035 TypeError: cannot unpack non-iterable NoneType object 
    100036  
    100037 File
    100038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100039 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    100040 etype, evalue, etraceback = exc_info 
    100041  
    100042 See log for complete Python traceback. 
    100043  
    100044 Traceback (most recent call last): 
    100045 File
    100046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100047 packages/chimerax/core/triggerset.py", line 130, in invoke 
    100048 return self._func(self._name, data) 
    100049 File
    100050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100051 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    100052 if v.display: 
    100053 File
    100054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100055 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    100056 return self._any_displayed_positions and len(self._positions) > 0 
    100057 TypeError: object of type 'NoneType' has no len() 
    100058  
    100059 During handling of the above exception, another exception occurred: 
    100060  
    100061 Traceback (most recent call last): 
    100062 File
    100063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100064 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    100065 if not self.draw_new_frame(): 
    100066 File
    100067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100068 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    100069 changed = view.check_for_drawing_change() 
    100070 File
    100071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100072 packages/chimerax/core/graphics/view.py", line 252, in
    100073 check_for_drawing_change 
    100074 trig.activate_trigger('graphics update', self) 
    100075 File
    100076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100077 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    100078 trigger.activate(data) 
    100079 File
    100080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100081 packages/chimerax/core/triggerset.py", line 190, in activate 
    100082 ret = handler.invoke(data, self._remove_bad_handlers) 
    100083 File
    100084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100085 packages/chimerax/core/triggerset.py", line 132, in invoke 
    100086 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    100087 File
    100088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100089 packages/chimerax/core/session.py", line 943, in <lambda> 
    100090 logger.report_exception(preface=preface)) 
    100091 File
    100092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100093 packages/chimerax/core/logger.py", line 421, in report_exception 
    100094 elif probably_chimera1_session(exc_info): 
    100095 File
    100096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100097 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    100098 etype, evalue, etraceback = exc_info 
    100099 TypeError: cannot unpack non-iterable NoneType object 
    100100  
    100101 TypeError: cannot unpack non-iterable NoneType object 
    100102  
    100103 File
    100104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100105 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    100106 etype, evalue, etraceback = exc_info 
    100107  
    100108 See log for complete Python traceback. 
    100109  
    100110 Traceback (most recent call last): 
    100111 File
    100112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100113 packages/chimerax/core/triggerset.py", line 130, in invoke 
    100114 return self._func(self._name, data) 
    100115 File
    100116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100117 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    100118 if v.display: 
    100119 File
    100120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100121 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    100122 return self._any_displayed_positions and len(self._positions) > 0 
    100123 TypeError: object of type 'NoneType' has no len() 
    100124  
    100125 During handling of the above exception, another exception occurred: 
    100126  
    100127 Traceback (most recent call last): 
    100128 File
    100129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100130 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    100131 if not self.draw_new_frame(): 
    100132 File
    100133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100134 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    100135 changed = view.check_for_drawing_change() 
    100136 File
    100137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100138 packages/chimerax/core/graphics/view.py", line 252, in
    100139 check_for_drawing_change 
    100140 trig.activate_trigger('graphics update', self) 
    100141 File
    100142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100143 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    100144 trigger.activate(data) 
    100145 File
    100146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100147 packages/chimerax/core/triggerset.py", line 190, in activate 
    100148 ret = handler.invoke(data, self._remove_bad_handlers) 
    100149 File
    100150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100151 packages/chimerax/core/triggerset.py", line 132, in invoke 
    100152 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    100153 File
    100154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100155 packages/chimerax/core/session.py", line 943, in <lambda> 
    100156 logger.report_exception(preface=preface)) 
    100157 File
    100158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100159 packages/chimerax/core/logger.py", line 421, in report_exception 
    100160 elif probably_chimera1_session(exc_info): 
    100161 File
    100162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100163 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    100164 etype, evalue, etraceback = exc_info 
    100165 TypeError: cannot unpack non-iterable NoneType object 
    100166  
    100167 TypeError: cannot unpack non-iterable NoneType object 
    100168  
    100169 File
    100170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100171 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    100172 etype, evalue, etraceback = exc_info 
    100173  
    100174 See log for complete Python traceback. 
    100175  
    100176 Traceback (most recent call last): 
    100177 File
    100178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100179 packages/chimerax/core/triggerset.py", line 130, in invoke 
    100180 return self._func(self._name, data) 
    100181 File
    100182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100183 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    100184 if v.display: 
    100185 File
    100186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100187 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    100188 return self._any_displayed_positions and len(self._positions) > 0 
    100189 TypeError: object of type 'NoneType' has no len() 
    100190  
    100191 During handling of the above exception, another exception occurred: 
    100192  
    100193 Traceback (most recent call last): 
    100194 File
    100195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100196 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    100197 if not self.draw_new_frame(): 
    100198 File
    100199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100200 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    100201 changed = view.check_for_drawing_change() 
    100202 File
    100203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100204 packages/chimerax/core/graphics/view.py", line 252, in
    100205 check_for_drawing_change 
    100206 trig.activate_trigger('graphics update', self) 
    100207 File
    100208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100209 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    100210 trigger.activate(data) 
    100211 File
    100212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100213 packages/chimerax/core/triggerset.py", line 190, in activate 
    100214 ret = handler.invoke(data, self._remove_bad_handlers) 
    100215 File
    100216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100217 packages/chimerax/core/triggerset.py", line 132, in invoke 
    100218 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    100219 File
    100220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100221 packages/chimerax/core/session.py", line 943, in <lambda> 
    100222 logger.report_exception(preface=preface)) 
    100223 File
    100224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100225 packages/chimerax/core/logger.py", line 421, in report_exception 
    100226 elif probably_chimera1_session(exc_info): 
    100227 File
    100228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100229 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    100230 etype, evalue, etraceback = exc_info 
    100231 TypeError: cannot unpack non-iterable NoneType object 
    100232  
    100233 TypeError: cannot unpack non-iterable NoneType object 
    100234  
    100235 File
    100236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100237 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    100238 etype, evalue, etraceback = exc_info 
    100239  
    100240 See log for complete Python traceback. 
    100241  
    100242 Traceback (most recent call last): 
    100243 File
    100244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100245 packages/chimerax/core/triggerset.py", line 130, in invoke 
    100246 return self._func(self._name, data) 
    100247 File
    100248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100249 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    100250 if v.display: 
    100251 File
    100252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100253 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    100254 return self._any_displayed_positions and len(self._positions) > 0 
    100255 TypeError: object of type 'NoneType' has no len() 
    100256  
    100257 During handling of the above exception, another exception occurred: 
    100258  
    100259 Traceback (most recent call last): 
    100260 File
    100261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100262 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    100263 if not self.draw_new_frame(): 
    100264 File
    100265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100266 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    100267 changed = view.check_for_drawing_change() 
    100268 File
    100269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100270 packages/chimerax/core/graphics/view.py", line 252, in
    100271 check_for_drawing_change 
    100272 trig.activate_trigger('graphics update', self) 
    100273 File
    100274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100275 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    100276 trigger.activate(data) 
    100277 File
    100278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100279 packages/chimerax/core/triggerset.py", line 190, in activate 
    100280 ret = handler.invoke(data, self._remove_bad_handlers) 
    100281 File
    100282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100283 packages/chimerax/core/triggerset.py", line 132, in invoke 
    100284 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    100285 File
    100286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100287 packages/chimerax/core/session.py", line 943, in <lambda> 
    100288 logger.report_exception(preface=preface)) 
    100289 File
    100290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100291 packages/chimerax/core/logger.py", line 421, in report_exception 
    100292 elif probably_chimera1_session(exc_info): 
    100293 File
    100294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100295 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    100296 etype, evalue, etraceback = exc_info 
    100297 TypeError: cannot unpack non-iterable NoneType object 
    100298  
    100299 TypeError: cannot unpack non-iterable NoneType object 
    100300  
    100301 File
    100302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100303 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    100304 etype, evalue, etraceback = exc_info 
    100305  
    100306 See log for complete Python traceback. 
    100307  
    100308 Traceback (most recent call last): 
    100309 File
    100310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100311 packages/chimerax/core/triggerset.py", line 130, in invoke 
    100312 return self._func(self._name, data) 
    100313 File
    100314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100315 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    100316 if v.display: 
    100317 File
    100318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100319 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    100320 return self._any_displayed_positions and len(self._positions) > 0 
    100321 TypeError: object of type 'NoneType' has no len() 
    100322  
    100323 During handling of the above exception, another exception occurred: 
    100324  
    100325 Traceback (most recent call last): 
    100326 File
    100327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100328 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    100329 if not self.draw_new_frame(): 
    100330 File
    100331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100332 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    100333 changed = view.check_for_drawing_change() 
    100334 File
    100335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100336 packages/chimerax/core/graphics/view.py", line 252, in
    100337 check_for_drawing_change 
    100338 trig.activate_trigger('graphics update', self) 
    100339 File
    100340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100341 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    100342 trigger.activate(data) 
    100343 File
    100344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100345 packages/chimerax/core/triggerset.py", line 190, in activate 
    100346 ret = handler.invoke(data, self._remove_bad_handlers) 
    100347 File
    100348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100349 packages/chimerax/core/triggerset.py", line 132, in invoke 
    100350 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    100351 File
    100352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100353 packages/chimerax/core/session.py", line 943, in <lambda> 
    100354 logger.report_exception(preface=preface)) 
    100355 File
    100356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100357 packages/chimerax/core/logger.py", line 421, in report_exception 
    100358 elif probably_chimera1_session(exc_info): 
    100359 File
    100360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100361 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    100362 etype, evalue, etraceback = exc_info 
    100363 TypeError: cannot unpack non-iterable NoneType object 
    100364  
    100365 TypeError: cannot unpack non-iterable NoneType object 
    100366  
    100367 File
    100368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    100369 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    100370 etype, evalue, etraceback = exc_info 
    100371  
    100372 See log for complete Python traceback. 
    100373  
     120
     121[_many_ copies of these deleted]
     122
    100374123Traceback (most recent call last): 
    100375124File