﻿id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	blockedby	blocking	notify_on_close	platform	project
20595	Session save: cannot import name 'get_session_info' from 'chimerax.md_crds.gui'	rkrishnan@…	Eric Pettersen	"{{{
The following bug report has been submitted:
Platform:        Windows-10-10.0.26100
ChimeraX Version: 1.12.dev202604040008 (2026-04-04 00:08:08 UTC)
Description
gave this error when i tried to save a session file after morphing two coordinate sets.

Log:
UCSF ChimeraX version: 1.12.dev202604040008 (2026-04-04)  
© 2016-2026 Regents of the University of California. All rights reserved.  

> open ""L:\Graphics\BCRX001\GraphicsBackup\factor_D\morphing factorD\FD-
> bcx9930-8936.cxs"" format session

Log from Wed Jul 8 10:13:53 2026 Startup Messages  
---  
warning | No presets found in custom preset folder L:/Graphics/BCRX001/GraphicsBackup/yahya-babu  
  
UCSF ChimeraX version: 1.12.dev202604040008 (2026-04-04)  
© 2016-2026 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open L:/Graphics/BCRX001/GraphicsBackup/mar06_2026_bcx9930_factorD.pdb

Summary of feedback from opening
L:/Graphics/BCRX001/GraphicsBackup/mar06_2026_bcx9930_factorD.pdb  
---  
warnings | Ignored bad PDB record found on line 22  
HELIX 1 1 HIS A 57 GLU A 59A 1 Generated by MOE 4  
  
Ignored bad PDB record found on line 23  
HELIX 2 2 ARG A 165 ASN A 169 1 Generated by MOE 5  
  
Ignored bad PDB record found on line 24  
HELIX 3 3 VAL A 231 TYR A 234 5 Generated by MOE 4  
  
Ignored bad PDB record found on line 25  
HELIX 4 4 ALA A 235 LEU A 242 1 Generated by MOE 8  
  
Ignored bad PDB record found on line 26  
SHEET 1 ARG A 20 GLU A 21 Generated by MOE  
  
14 messages similar to the above omitted  
  
Chain information for mar06_2026_bcx9930_factorD.pdb #1  
---  
Chain | Description  
A | No description available  
  
Computing secondary structure  

> open L:/Graphics/BCRX001/GraphicsBackup/factor_D/FD-bcx8936-xray/fd-
> bcx8936-diffmap.pdb format swissdock

Summary of feedback from opening
L:/Graphics/BCRX001/GraphicsBackup/factor_D/FD-bcx8936-xray/fd-
bcx8936-diffmap.pdb  
---  
warnings | Ignored bad PDB record found on line 2  
  
  
Ignored bad PDB record found on line 3  
HELIX 1 1 HIS A 57 GLU A 60 1 Generated by MOE 4  
  
Ignored bad PDB record found on line 4  
  
  
Ignored bad PDB record found on line 5  
HELIX 2 2 ASP A 61 ASP A 64 5 Generated by MOE 4  
  
Ignored bad PDB record found on line 6  
  
  
161 messages similar to the above omitted  
Cannot find LINK/SSBOND residue CYS (189 )  
Ignored bad PDB record found on line 3818  
  
Chain information for fd-bcx8936-diffmap.pdb #2  
---  
Chain | Description  
A | No description available  
  
Computing secondary structure  

> ui tool show Matchmaker

> matchmaker #!2 to #1

Parameters  
---  
Chain pairing | bb  
Alignment algorithm | Needleman-Wunsch  
Similarity matrix | BLOSUM-62  
SS fraction | 0.3  
Gap open (HH/SS/other) | 18/18/6  
Gap extend | 1  
SS matrix |  |  | H | S | O  
---|---|---|---  
H | 6 | -9 | -6  
S |  | 6 | -6  
O |  |  | 4  
Iteration cutoff | 2  
  
Matchmaker mar06_2026_bcx9930_factorD.pdb, chain A (#1) with fd-
bcx8936-diffmap.pdb, chain A (#2), sequence alignment score = 1116.9  
RMSD between 218 pruned atom pairs is 0.562 angstroms; (across all 228 pairs:
0.978)  
  

> matchmaker #!2 to #1

Parameters  
---  
Chain pairing | bb  
Alignment algorithm | Needleman-Wunsch  
Similarity matrix | BLOSUM-62  
SS fraction | 0.3  
Gap open (HH/SS/other) | 18/18/6  
Gap extend | 1  
SS matrix |  |  | H | S | O  
---|---|---|---  
H | 6 | -9 | -6  
S |  | 6 | -6  
O |  |  | 4  
Iteration cutoff | 2  
  
Matchmaker mar06_2026_bcx9930_factorD.pdb, chain A (#1) with fd-
bcx8936-diffmap.pdb, chain A (#2), sequence alignment score = 1116.9  
RMSD between 218 pruned atom pairs is 0.562 angstroms; (across all 228 pairs:
0.978)  
  

> delete H

> delete solvent

> cd ""L:/Graphics/BCRX001/GraphicsBackup/factor_D/morphing factorD""

Current working directory is:
L:\Graphics\BCRX001\GraphicsBackup\factor_D\morphing factorD  

> save ""L:/Graphics/BCRX001/GraphicsBackup/factor_D/morphing factorD/FD-
> bcx9930-8936.cxs""

——— End of log from Wed Jul 8 10:13:53 2026 ———

> view name session-start

opened ChimeraX session  

> close #2.1

> help help:user

> morph #2 #1 corkscrew frames 75

Expected a keyword  

> help help:user

> morph #2 #1 method corkscrew frames 75 slider true

Computed 76 frame morph #3  

> coordset #3 1,76

> close #3.1

> morph #2 #1 method corkscrew frames 75 slider true colorCore cornflower blue

Computed 76 frame morph #4  

> coordset #4 1,76

> hide #3 models

> close #4.1

> morph #2 #1 method corkscrew frames 75 slider true colorCore cornflowerblue
> byhetero

Expected a keyword  

> morph #2 #1 method corkscrew frames 75 slider true colorColor byhetero

Expected a keyword  

> morph #2 #1 method corkscrew frames 75 slider true colorCore byhetero

Invalid ""colorCore"" argument: Invalid color name or specifier  

> morph #2 #1 method corkscrew frames 75 slider true colorCore green

Computed 76 frame morph #5  

> coordset #5 1,76

> close #4

> movie record

> movie encode C:\Users\Rkrishnan\Desktop\movie19.mp4 framerate 25.0

Movie saved to \C:Users\\...\Desktop\movie19.mp4  
  

> split ligands

Split mar06_2026_bcx9930_factorD.pdb (#1) into 2 models  
Split fd-bcx8936-diffmap.pdb (#2) into 2 models  
Did not split Morph - fd-bcx8936-diffmap.pdb, has only one piece  
[Repeated 1 time(s)] Chain information for mar06_2026_bcx9930_factorD.pdb #1.1  
---  
Chain | Description  
A | No description available  
  
Chain information for fd-bcx8936-diffmap.pdb #2.1  
---  
Chain | Description  
A | No description available  
  

> hide #!5 models

> hide #!2 models

> show #2.1 models

> hide #2.1 models

> cd ""L:/Graphics/BCRX001/GraphicsBackup/factor_D/morphing factorD""

Current working directory is:
L:\Graphics\BCRX001\GraphicsBackup\factor_D\morphing factorD  

> show #!5 models

> close #5.1

> save ""L:/Graphics/BCRX001/GraphicsBackup/factor_D/morphing factorD/FD-
> bcx9930-8936-jul08A.cxs""

Traceback (most recent call last):  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 322, in process  
data = sm.take_snapshot(obj, session, self.state_flags)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\std_commands\coordset_gui.py"", line 112, in take_snapshot  
from chimerax.md_crds.gui import get_session_info  
ImportError: cannot import name 'get_session_info' from 'chimerax.md_crds.gui'
(C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\md_crds\gui.py)  
  
The above exception was the direct cause of the following exception:  
  
Traceback (most recent call last):  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 297, in discovery  
self.processed[key] = self.process(obj, parents)  
^^^^^^^^^^^^^^^^^^^^^^^^^^  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 329, in process  
raise RuntimeError(msg) from e  
RuntimeError: Error while saving session data for 'tools' ->
[<chimerax.toolbar.tool.ToolbarTool object at 0x000001C092A4E610>,
<chimerax.log.tool.Log object at 0x000001C0B9609450>,
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0B30D9850>, <chimerax.help_viewer.tool.HelpUI object at
0x000001C0B2E8E6D0>, <chimerax.std_commands.coordset_gui.CoordinateSetSlider
object at 0x000001C0B30D8910>, <chimerax.model_panel.tool.ModelPanel object at
0x000001C090F6C310>, <chimerax.cmd_line.tool.CommandLine object at
0x000001C0BAE35350>] ->
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0B30D8910>  
  
During handling of the above exception, another exception occurred:  
  
Traceback (most recent call last):  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 1048, in save  
session.save(output, version=version, include_maps=include_maps)  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 731, in save  
mgr.discovery(self._state_containers)  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 301, in discovery  
raise ValueError(  
ValueError: error processing: 'tools' -> [<chimerax.toolbar.tool.ToolbarTool
object at 0x000001C092A4E610>, <chimerax.log.tool.Log object at
0x000001C0B9609450>, <chimerax.std_commands.coordset_gui.CoordinateSetSlider
object at 0x000001C0B30D9850>, <chimerax.help_viewer.tool.HelpUI object at
0x000001C0B2E8E6D0>, <chimerax.std_commands.coordset_gui.CoordinateSetSlider
object at 0x000001C0B30D8910>, <chimerax.model_panel.tool.ModelPanel object at
0x000001C090F6C310>, <chimerax.cmd_line.tool.CommandLine object at
0x000001C0BAE35350>] ->
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0B30D8910>: Error while saving session data for 'tools' ->
[<chimerax.toolbar.tool.ToolbarTool object at 0x000001C092A4E610>,
<chimerax.log.tool.Log object at 0x000001C0B9609450>,
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0B30D9850>, <chimerax.help_viewer.tool.HelpUI object at
0x000001C0B2E8E6D0>, <chimerax.std_commands.coordset_gui.CoordinateSetSlider
object at 0x000001C0B30D8910>, <chimerax.model_panel.tool.ModelPanel object at
0x000001C090F6C310>, <chimerax.cmd_line.tool.CommandLine object at
0x000001C0BAE35350>] ->
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0B30D8910>  
  
ValueError: error processing: 'tools' -> [, , , , , , ] -> : Error while
saving session data for 'tools' -> [, , , , , , ] ->  
  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 301, in discovery  
raise ValueError(  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 322, in process  
data = sm.take_snapshot(obj, session, self.state_flags)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\std_commands\coordset_gui.py"", line 112, in take_snapshot  
from chimerax.md_crds.gui import get_session_info  
ImportError: cannot import name 'get_session_info' from 'chimerax.md_crds.gui'
(C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\md_crds\gui.py)  
  
The above exception was the direct cause of the following exception:  
  
Traceback (most recent call last):  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 297, in discovery  
self.processed[key] = self.process(obj, parents)  
^^^^^^^^^^^^^^^^^^^^^^^^^^  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 329, in process  
raise RuntimeError(msg) from e  
RuntimeError: Error while saving session data for 'tools' ->
[<chimerax.toolbar.tool.ToolbarTool object at 0x000001C092A4E610>,
<chimerax.log.tool.Log object at 0x000001C0B9609450>,
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0B30D9850>, <chimerax.help_viewer.tool.HelpUI object at
0x000001C0B2E8E6D0>, <chimerax.std_commands.coordset_gui.CoordinateSetSlider
object at 0x000001C0B30D8910>, <chimerax.model_panel.tool.ModelPanel object at
0x000001C090F6C310>, <chimerax.cmd_line.tool.CommandLine object at
0x000001C0BAE35350>] ->
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0B30D8910>  
  
During handling of the above exception, another exception occurred:  
  
Traceback (most recent call last):  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\save_command\dialog.py"", line 133, in <lambda>  
lambda *args, ses=session: show_save_file_dialog(ses), tool_tip=""Save output
file"",  
^^^^^^^^^^^^^^^^^^^^^^^^^^  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\save_command\dialog.py"", line 144, in show_save_file_dialog  
_dlg.display(session, **kw)  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\save_command\dialog.py"", line 68, in display  
run(session, cmd)  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\commands\run.py"", line 49, in run  
results = command.run(text, log=log, return_json=return_json)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\commands\cli.py"", line 3245, in run  
result = ci.function(session, **kw_args)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\save_command\cmd.py"", line 86, in cmd_save  
Command(session, registry=registry).run(provider_cmd_text, log=log)  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\commands\cli.py"", line 3245, in run  
result = ci.function(session, **kw_args)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\save_command\cmd.py"", line 101, in provider_save  
saver_info.save(session, path, **provider_kw)  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core_formats\\__init__.py"", line 95, in save  
return cxs_save(session, path, **kw)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 1048, in save  
session.save(output, version=version, include_maps=include_maps)  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 731, in save  
mgr.discovery(self._state_containers)  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 301, in discovery  
raise ValueError(  
ValueError: error processing: 'tools' -> [<chimerax.toolbar.tool.ToolbarTool
object at 0x000001C092A4E610>, <chimerax.log.tool.Log object at
0x000001C0B9609450>, <chimerax.std_commands.coordset_gui.CoordinateSetSlider
object at 0x000001C0B30D9850>, <chimerax.help_viewer.tool.HelpUI object at
0x000001C0B2E8E6D0>, <chimerax.std_commands.coordset_gui.CoordinateSetSlider
object at 0x000001C0B30D8910>, <chimerax.model_panel.tool.ModelPanel object at
0x000001C090F6C310>, <chimerax.cmd_line.tool.CommandLine object at
0x000001C0BAE35350>] ->
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0B30D8910>: Error while saving session data for 'tools' ->
[<chimerax.toolbar.tool.ToolbarTool object at 0x000001C092A4E610>,
<chimerax.log.tool.Log object at 0x000001C0B9609450>,
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0B30D9850>, <chimerax.help_viewer.tool.HelpUI object at
0x000001C0B2E8E6D0>, <chimerax.std_commands.coordset_gui.CoordinateSetSlider
object at 0x000001C0B30D8910>, <chimerax.model_panel.tool.ModelPanel object at
0x000001C090F6C310>, <chimerax.cmd_line.tool.CommandLine object at
0x000001C0BAE35350>] ->
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0B30D8910>  
  
ValueError: error processing: 'tools' -> [, , , , , , ] -> : Error while
saving session data for 'tools' -> [, , , , , , ] ->  
  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 301, in discovery  
raise ValueError(  
  
See log for complete Python traceback.  
  

> close #3,5

> show #1.1 models

> show #2.2 models

> save ""L:/Graphics/BCRX001/GraphicsBackup/factor_D/morphing factorD/FD-
> bcx9930-8936a.cxs""

> morph #1 #2

models have different number of chains, 1 (Morph -
mar06_2026_bcx9930_factorD.pdb #/A) and 0 ()  

> morph #1.1 #2.1

Computed 51 frame morph #3  

> coordset #3 1,51

> save ""L:/Graphics/BCRX001/GraphicsBackup/factor_D/morphing factorD/FD-
> bcx9930-8936b.cxs""

Traceback (most recent call last):  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 322, in process  
data = sm.take_snapshot(obj, session, self.state_flags)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\std_commands\coordset_gui.py"", line 112, in take_snapshot  
from chimerax.md_crds.gui import get_session_info  
ImportError: cannot import name 'get_session_info' from 'chimerax.md_crds.gui'
(C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\md_crds\gui.py)  
  
The above exception was the direct cause of the following exception:  
  
Traceback (most recent call last):  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 297, in discovery  
self.processed[key] = self.process(obj, parents)  
^^^^^^^^^^^^^^^^^^^^^^^^^^  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 329, in process  
raise RuntimeError(msg) from e  
RuntimeError: Error while saving session data for 'tools' ->
[<chimerax.toolbar.tool.ToolbarTool object at 0x000001C092A4E610>,
<chimerax.log.tool.Log object at 0x000001C0B9609450>,
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0C1599850>, <chimerax.help_viewer.tool.HelpUI object at
0x000001C0B2E8E6D0>, <chimerax.model_panel.tool.ModelPanel object at
0x000001C090F6C310>, <chimerax.cmd_line.tool.CommandLine object at
0x000001C0BAE35350>] ->
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0C1599850>  
  
During handling of the above exception, another exception occurred:  
  
Traceback (most recent call last):  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 1048, in save  
session.save(output, version=version, include_maps=include_maps)  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 731, in save  
mgr.discovery(self._state_containers)  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 301, in discovery  
raise ValueError(  
ValueError: error processing: 'tools' -> [<chimerax.toolbar.tool.ToolbarTool
object at 0x000001C092A4E610>, <chimerax.log.tool.Log object at
0x000001C0B9609450>, <chimerax.std_commands.coordset_gui.CoordinateSetSlider
object at 0x000001C0C1599850>, <chimerax.help_viewer.tool.HelpUI object at
0x000001C0B2E8E6D0>, <chimerax.model_panel.tool.ModelPanel object at
0x000001C090F6C310>, <chimerax.cmd_line.tool.CommandLine object at
0x000001C0BAE35350>] ->
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0C1599850>: Error while saving session data for 'tools' ->
[<chimerax.toolbar.tool.ToolbarTool object at 0x000001C092A4E610>,
<chimerax.log.tool.Log object at 0x000001C0B9609450>,
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0C1599850>, <chimerax.help_viewer.tool.HelpUI object at
0x000001C0B2E8E6D0>, <chimerax.model_panel.tool.ModelPanel object at
0x000001C090F6C310>, <chimerax.cmd_line.tool.CommandLine object at
0x000001C0BAE35350>] ->
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0C1599850>  
  
ValueError: error processing: 'tools' -> [, , , , , ] -> : Error while saving
session data for 'tools' -> [, , , , , ] ->  
  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 301, in discovery  
raise ValueError(  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 322, in process  
data = sm.take_snapshot(obj, session, self.state_flags)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\std_commands\coordset_gui.py"", line 112, in take_snapshot  
from chimerax.md_crds.gui import get_session_info  
ImportError: cannot import name 'get_session_info' from 'chimerax.md_crds.gui'
(C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\md_crds\gui.py)  
  
The above exception was the direct cause of the following exception:  
  
Traceback (most recent call last):  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 297, in discovery  
self.processed[key] = self.process(obj, parents)  
^^^^^^^^^^^^^^^^^^^^^^^^^^  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 329, in process  
raise RuntimeError(msg) from e  
RuntimeError: Error while saving session data for 'tools' ->
[<chimerax.toolbar.tool.ToolbarTool object at 0x000001C092A4E610>,
<chimerax.log.tool.Log object at 0x000001C0B9609450>,
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0C1599850>, <chimerax.help_viewer.tool.HelpUI object at
0x000001C0B2E8E6D0>, <chimerax.model_panel.tool.ModelPanel object at
0x000001C090F6C310>, <chimerax.cmd_line.tool.CommandLine object at
0x000001C0BAE35350>] ->
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0C1599850>  
  
During handling of the above exception, another exception occurred:  
  
Traceback (most recent call last):  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\save_command\dialog.py"", line 133, in <lambda>  
lambda *args, ses=session: show_save_file_dialog(ses), tool_tip=""Save output
file"",  
^^^^^^^^^^^^^^^^^^^^^^^^^^  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\save_command\dialog.py"", line 144, in show_save_file_dialog  
_dlg.display(session, **kw)  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\save_command\dialog.py"", line 68, in display  
run(session, cmd)  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\commands\run.py"", line 49, in run  
results = command.run(text, log=log, return_json=return_json)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\commands\cli.py"", line 3245, in run  
result = ci.function(session, **kw_args)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\save_command\cmd.py"", line 86, in cmd_save  
Command(session, registry=registry).run(provider_cmd_text, log=log)  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\commands\cli.py"", line 3245, in run  
result = ci.function(session, **kw_args)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\save_command\cmd.py"", line 101, in provider_save  
saver_info.save(session, path, **provider_kw)  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core_formats\\__init__.py"", line 95, in save  
return cxs_save(session, path, **kw)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 1048, in save  
session.save(output, version=version, include_maps=include_maps)  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 731, in save  
mgr.discovery(self._state_containers)  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 301, in discovery  
raise ValueError(  
ValueError: error processing: 'tools' -> [<chimerax.toolbar.tool.ToolbarTool
object at 0x000001C092A4E610>, <chimerax.log.tool.Log object at
0x000001C0B9609450>, <chimerax.std_commands.coordset_gui.CoordinateSetSlider
object at 0x000001C0C1599850>, <chimerax.help_viewer.tool.HelpUI object at
0x000001C0B2E8E6D0>, <chimerax.model_panel.tool.ModelPanel object at
0x000001C090F6C310>, <chimerax.cmd_line.tool.CommandLine object at
0x000001C0BAE35350>] ->
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0C1599850>: Error while saving session data for 'tools' ->
[<chimerax.toolbar.tool.ToolbarTool object at 0x000001C092A4E610>,
<chimerax.log.tool.Log object at 0x000001C0B9609450>,
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0C1599850>, <chimerax.help_viewer.tool.HelpUI object at
0x000001C0B2E8E6D0>, <chimerax.model_panel.tool.ModelPanel object at
0x000001C090F6C310>, <chimerax.cmd_line.tool.CommandLine object at
0x000001C0BAE35350>] ->
<chimerax.std_commands.coordset_gui.CoordinateSetSlider object at
0x000001C0C1599850>  
  
ValueError: error processing: 'tools' -> [, , , , , ] -> : Error while saving
session data for 'tools' -> [, , , , , ] ->  
  
File ""C:\Program Files\ChimeraX 1.12.dev202604040008\bin\Lib\site-
packages\chimerax\core\session.py"", line 301, in discovery  
raise ValueError(  
  
See log for complete Python traceback.  
  




OpenGL version: 3.3.0 NVIDIA 596.51
OpenGL renderer: NVIDIA RTX 4500 Ada Generation/PCIe/SSE2
OpenGL vendor: NVIDIA Corporation

Python: 3.11.9
Locale: en_US.cp1252
Qt version: PySide6 6.10.1, Qt 6.10.1
Qt runtime version: 6.10.1
Qt platform: windows

Manufacturer: LENOVO
Model: 30GUSJKD00
OS: Microsoft Windows 11 Pro (Build 26100)
Memory: 68,333,514,752
MaxProcessMemory: 137,438,953,344
CPU: 28 Intel(R) Core(TM) i7-14700
OSLanguage: en-US

Installed Packages:
    accessible-pygments: 0.0.5
    aiohappyeyeballs: 2.6.1
    aiohttp: 3.13.1
    aiosignal: 1.4.0
    alabaster: 1.0.0
    annotated-types: 0.7.0
    anyio: 4.13.0
    appdirs: 1.4.4
    asttokens: 3.0.1
    attrs: 26.1.0
    babel: 2.18.0
    beautifulsoup4: 4.13.5
    blockdiag: 3.0.0
    blosc2: 4.1.2
    build: 1.3.0
    certifi: 2026.2.25
    cftime: 1.6.5
    charset-normalizer: 3.4.7
    ChimeraX-AddCharge: 1.5.20
    ChimeraX-AddH: 2.2.8
    ChimeraX-AlignmentAlgorithms: 2.0.2
    ChimeraX-AlignmentHdrs: 3.6.2
    ChimeraX-AlignmentMatrices: 2.1
    ChimeraX-Alignments: 3.2
    ChimeraX-AlphaFold: 1.0.1
    ChimeraX-AltlocExplorer: 1.2
    ChimeraX-AmberInfo: 1.0
    ChimeraX-Animations: 1.0
    ChimeraX-Aniso: 1.3.2
    ChimeraX-Arrays: 1.1
    ChimeraX-Atomic: 1.67
    ChimeraX-AtomicLibrary: 14.4
    ChimeraX-AtomSearch: 2.0.1
    ChimeraX-AxesPlanes: 2.4
    ChimeraX-BasicActions: 1.1.3
    ChimeraX-BILD: 1.0
    ChimeraX-BlastProtein: 3.0.0
    ChimeraX-Boltz: 1.1
    ChimeraX-BondRot: 2.0.4
    ChimeraX-BugReporter: 1.0.2
    ChimeraX-BuildStructure: 2.13.1
    ChimeraX-Bumps: 1.0
    ChimeraX-BundleBuilder: 1.6.0
    ChimeraX-ButtonPanel: 1.0.1
    ChimeraX-CageBuilder: 1.0.1
    ChimeraX-CellPack: 1.0
    ChimeraX-Centroids: 1.4.1
    ChimeraX-ChangeChains: 1.1
    ChimeraX-CheckWaters: 1.5
    ChimeraX-ChemGroup: 2.0.2
    ChimeraX-Clashes: 2.3
    ChimeraX-Cluster: 1.0
    ChimeraX-ColorActions: 1.0.5
    ChimeraX-ColorGlobe: 1.0
    ChimeraX-ColorKey: 1.5.8
    ChimeraX-CommandLine: 1.3.1
    ChimeraX-ConnectStructure: 2.0.1
    ChimeraX-Contacts: 1.0.1
    ChimeraX-Core: 1.12.dev202604040008
    ChimeraX-CoreFormats: 1.2
    ChimeraX-coulombic: 1.4.5
    ChimeraX-Crosslinks: 1.0
    ChimeraX-Crystal: 1.0
    ChimeraX-CrystalContacts: 1.0.1
    ChimeraX-DataFormats: 1.2.4
    ChimeraX-Dicom: 1.2.7
    ChimeraX-DistMonitor: 1.4.2
    ChimeraX-DockPrep: 1.2.1
    ChimeraX-Dssp: 2.0
    ChimeraX-EMDB-SFF: 1.0
    ChimeraX-ESMFold: 1.0
    ChimeraX-FileHistory: 1.0.1
    ChimeraX-FunctionKey: 1.0.1
    ChimeraX-Geometry: 1.3
    ChimeraX-gltf: 1.0
    ChimeraX-Graphics: 1.4.1
    ChimeraX-Hbonds: 2.5.3
    ChimeraX-Help: 1.3
    ChimeraX-HKCage: 1.3
    ChimeraX-IHM: 1.1
    ChimeraX-ImageFormats: 1.2
    ChimeraX-IMOD: 1.0
    ChimeraX-IO: 1.0.4
    ChimeraX-ItemsInspection: 1.0.1
    ChimeraX-IUPAC: 1.0
    ChimeraX-KVFinder: 1.8.2
    ChimeraX-Label: 1.3
    ChimeraX-LightingGUI: 1.0
    ChimeraX-ListInfo: 1.3.1
    ChimeraX-Log: 1.2.2
    ChimeraX-LookingGlass: 1.1
    ChimeraX-Maestro: 1.9.2
    ChimeraX-Map: 1.3
    ChimeraX-MapData: 2.0
    ChimeraX-MapEraser: 1.0.1
    ChimeraX-MapFilter: 2.0.1
    ChimeraX-MapFit: 2.0
    ChimeraX-MapSeries: 2.1.1
    ChimeraX-Markers: 1.0.1
    ChimeraX-Mask: 1.0.2
    ChimeraX-MatchMaker: 2.3
    ChimeraX-MCopy: 1.0
    ChimeraX-MCPServer: 0.2.0
    ChimeraX-MDcrds: 2.19
    ChimeraX-MedicalToolbar: 1.1
    ChimeraX-Meeting: 1.0.1
    ChimeraX-Minimize: 1.3.8
    ChimeraX-MLP: 1.1.1
    ChimeraX-mmCIF: 2.16
    ChimeraX-MMTF: 2.2
    ChimeraX-ModelArchive: 1.0
    ChimeraX-Modeller: 1.5.23
    ChimeraX-ModelPanel: 1.6.1
    ChimeraX-ModelSeries: 1.0.1
    ChimeraX-Mol2: 2.0.3
    ChimeraX-Mole: 1.0
    ChimeraX-Morph: 1.0.2
    ChimeraX-MouseModes: 1.2
    ChimeraX-Movie: 1.0.1
    ChimeraX-MutationScores: 1.0
    ChimeraX-Neuron: 1.0
    ChimeraX-Nifti: 1.2
    ChimeraX-NMRSTAR: 1.0.2
    ChimeraX-NRRD: 1.2
    ChimeraX-Nucleotides: 2.0.3
    ChimeraX-OpenCommand: 1.15.4
    ChimeraX-OpenFold: 1.0
    ChimeraX-OrthoPick: 1.0.1
    ChimeraX-PDB: 2.7.13
    ChimeraX-PDBBio: 1.0.1
    ChimeraX-PDBLibrary: 1.0.5
    ChimeraX-PDBMatrices: 1.0
    ChimeraX-PickBlobs: 1.0.1
    ChimeraX-Positions: 1.0
    ChimeraX-PresetMgr: 1.1.4
    ChimeraX-ProfileGrids: 1.5.3
    ChimeraX-PubChem: 2.2
    ChimeraX-ReadPbonds: 1.0.1
    ChimeraX-Registration: 1.1.2
    ChimeraX-RemoteControl: 1.0
    ChimeraX-RenderByAttr: 1.8.1
    ChimeraX-RenumberResidues: 1.1
    ChimeraX-ResidueFit: 1.0.1
    ChimeraX-RestServer: 1.3.3
    ChimeraX-RNALayout: 1.0
    ChimeraX-RotamerLibMgr: 4.0
    ChimeraX-RotamerLibsDunbrack: 2.0
    ChimeraX-RotamerLibsDynameomics: 2.0
    ChimeraX-RotamerLibsRichardson: 2.0
    ChimeraX-SaveCommand: 1.5.2
    ChimeraX-Scenes: 0.3.1
    ChimeraX-SchemeMgr: 1.0
    ChimeraX-SDF: 2.0.3
    ChimeraX-Segger: 1.0
    ChimeraX-Segment: 1.0.1
    ChimeraX-Segmentations: 3.5.12
    ChimeraX-SelInspector: 1.0
    ChimeraX-SeqView: 2.18
    ChimeraX-Shape: 1.1
    ChimeraX-Shell: 1.0.1
    ChimeraX-Shortcuts: 1.2.1
    ChimeraX-ShowSequences: 1.0.3
    ChimeraX-SideView: 1.0.1
    ChimeraX-SimilarStructures: 1.0.1
    ChimeraX-Smiles: 2.1.2
    ChimeraX-SmoothLines: 1.0
    ChimeraX-SNFG: 1.0
    ChimeraX-SpaceNavigator: 1.0
    ChimeraX-StdCommands: 1.19.3
    ChimeraX-STL: 1.0.1
    ChimeraX-Storm: 1.0
    ChimeraX-StructMeasure: 1.2.1
    ChimeraX-Struts: 1.0.1
    ChimeraX-Surface: 1.0.1
    ChimeraX-SwapAA: 2.0.1
    ChimeraX-SwapRes: 2.5.3
    ChimeraX-TapeMeasure: 1.0
    ChimeraX-TaskManager: 1.0
    ChimeraX-Test: 1.0
    ChimeraX-Toolbar: 1.2.3
    ChimeraX-ToolshedUtils: 1.2.4
    ChimeraX-Topography: 1.0
    ChimeraX-ToQuest: 1.0
    ChimeraX-Tug: 1.0.1
    ChimeraX-UI: 1.50.4
    ChimeraX-Umap: 1.0
    ChimeraX-uniprot: 2.3.2
    ChimeraX-UnitCell: 1.0.1
    ChimeraX-ViewDock: 1.6.1
    ChimeraX-VIPERdb: 1.0
    ChimeraX-Vive: 1.1
    ChimeraX-VolumeMenu: 1.0.1
    ChimeraX-vrml: 1.0
    ChimeraX-VTK: 1.0
    ChimeraX-WavefrontOBJ: 1.0
    ChimeraX-WebCam: 1.0.2
    ChimeraX-WebServices: 1.1.5
    ChimeraX-Zone: 1.0.1
    click: 8.3.2
    colorama: 0.4.6
    comm: 0.2.3
    comtypes: 1.4.11
    contourpy: 1.3.3
    coverage: 7.13.5
    cxservices: 1.2.3
    cycler: 0.12.1
    Cython: 3.2.4
    debugpy: 1.8.20
    decorator: 5.2.1
    docutils: 0.21.2
    executing: 2.2.1
    filelock: 3.19.1
    fonttools: 4.62.1
    frozenlist: 1.8.0
    funcparserlib: 2.0.0a0
    glfw: 2.10.0
    grako: 3.16.5
    h11: 0.16.0
    h5py: 3.16.0
    html2text: 2025.4.15
    httpcore: 1.0.9
    httpx: 0.28.1
    httpx-sse: 0.4.3
    idna: 3.11
    ihm: 2.2
    imagecodecs: 2024.6.1
    imagesize: 2.0.0
    iniconfig: 2.3.0
    ipykernel: 7.1.0
    ipython: 9.9.0
    ipython_pygments_lexers: 1.1.1
    ipywidgets: 8.1.8
    jedi: 0.19.2
    Jinja2: 3.1.6
    jsonschema: 4.26.0
    jsonschema-specifications: 2025.9.1
    jupyter_client: 8.8.0
    jupyter_core: 5.9.1
    jupyterlab_widgets: 3.0.16
    kiwisolver: 1.5.0
    line_profiler: 5.0.0
    lxml: 6.0.2
    lz4: 4.3.2
    Markdown: 3.8.2
    MarkupSafe: 3.0.3
    matplotlib: 3.10.7
    matplotlib-inline: 0.2.1
    mcp: 1.18.0
    msgpack: 1.1.1
    multidict: 6.7.1
    ndindex: 1.10.1
    nest-asyncio: 1.6.0
    netCDF4: 1.6.5
    networkx: 3.3
    nibabel: 5.2.0
    nptyping: 2.5.0
    numexpr: 2.14.1
    numpy: 1.26.4
    nvidia-nvjitlink-cu12: 12.9.86
    OpenMM: 8.4.0
    OpenMM-CUDA-12: 8.4.0
    openvr: 1.26.701
    packaging: 25.0
    ParmEd: 4.2.2
    parso: 0.8.6
    pep517: 0.13.1
    pickleshare: 0.7.5
    pillow: 11.3.0
    pip: 25.2
    pkginfo: 1.12.1.2
    platformdirs: 4.9.4
    pluggy: 1.6.0
    prompt_toolkit: 3.0.52
    propcache: 0.4.1
    psutil: 7.0.0
    pure_eval: 0.2.3
    py-cpuinfo: 9.0.0
    pybind11: 3.0.1
    pycollada: 0.8
    pydantic: 2.12.5
    pydantic-settings: 2.13.1
    pydantic_core: 2.41.5
    pydata-sphinx-theme: 0.17.0
    pydicom: 2.4.4
    Pygments: 2.18.0
    pynmrstar: 3.5.0
    pynrrd: 1.0.0
    PyOpenGL: 3.1.10
    PyOpenGL-accelerate: 3.1.10
    pyopenxr: 1.1.4501
    pyparsing: 3.3.2
    pyproject_hooks: 1.2.0
    PySide6: 6.10.1
    PySide6_Addons: 6.10.1
    PySide6_Essentials: 6.10.1
    pytest: 9.0.2
    pytest-cov: 7.1.0
    python-dateutil: 2.9.0.post0
    python-dotenv: 1.2.2
    python-multipart: 0.0.22
    pywin32: 311
    pyzmq: 27.1.0
    qtconsole: 5.7.0
    QtPy: 2.4.3
    qtshim: 1.2.2
    RandomWords: 0.4.0
    referencing: 0.37.0
    requests: 2.32.5
    roman-numerals: 4.1.0
    rpds-py: 0.30.0
    scipy: 1.14.0
    setuptools: 80.9.0
    sfftk-rw: 0.8.1
    shiboken6: 6.10.1
    six: 1.17.0
    snowballstemmer: 3.0.1
    sortedcontainers: 2.4.0
    soupsieve: 2.8.3
    Sphinx: 9.0.4
    sphinx-autodoc-typehints: 3.6.1
    sphinxcontrib-applehelp: 2.0.0
    sphinxcontrib-blockdiag: 3.0.0
    sphinxcontrib-devhelp: 2.0.0
    sphinxcontrib-htmlhelp: 2.1.0
    sphinxcontrib-jsmath: 1.0.1
    sphinxcontrib-qthelp: 2.0.0
    sphinxcontrib-serializinghtml: 2.0.0
    sse-starlette: 3.3.4
    stack-data: 0.6.3
    starlette: 1.0.0
    superqt: 0.7.6
    tables: 3.10.2
    tcia_utils: 1.5.1
    tifffile: 2025.3.13
    tinyarray: 1.2.5
    tornado: 6.5.5
    traitlets: 5.14.3
    typing-inspection: 0.4.2
    typing_extensions: 4.15.0
    tzdata: 2026.1
    urllib3: 2.6.3
    uvicorn: 0.43.0
    wcwidth: 0.6.0
    webcolors: 24.11.1
    wheel: 0.45.1
    wheel-filename: 1.4.2
    widgetsnbextension: 4.0.15
    WMI: 1.5.1
    yarl: 1.23.0
}}}
"	defect	closed	normal		Sessions		duplicate						all	ChimeraX
