Opening mutation score .csv file does to show the scores in the order used in the file

[goddard@…]

The following bug report has been submitted:
Platform:        macOS-26.5.2-arm64-arm-64bit
ChimeraX Version: 1.13.dev202607062341 (2026-07-06 23:41:36 UTC)
Description
Opening mutation scores .csv file does not list the scores in the order they appear in the header line of the .csv file.

Log:
UCSF ChimeraX version: 1.13.dev202607062341 (2026-07-06)  
© 2016-2026 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open /Users/goddard/Downloads/urn_mavedb_00001222-b-2_scores.csv format ms

Summary of feedback from opening
/Users/goddard/Downloads/urn_mavedb_00001222-b-2_scores.csv  
---  
note | Ignored 121 variants: 121 stop codons p.Ser1Ter, p.Pro3Ter, p.Ser4Ter ...  
  
Opened deep mutational scan data for 2150 mutations of 286 residues with score
names control_score, score, control_rep1_score, var, control_rep3_score,
control_rep4_score, control_rep2_score, control_std, rep1_score, std,
control_var, rep4_score, rep3_score, rep2_score.  




OpenGL version: 4.1 Metal - 90.5
OpenGL renderer: Apple M2 Ultra
OpenGL vendor: Apple

Python: 3.11.15
Locale: en_US.UTF-8
Qt version: PySide6 6.11.1, Qt 6.11.1
Qt runtime version: 6.11.1
Qt platform: cocoa
Hardware:

    Hardware Overview:

      Model Name: Mac Studio
      Model Identifier: Mac14,14
      Model Number: Z1800003VLL/A
      Chip: Apple M2 Ultra
      Total Number of Cores: 24 (16 Performance and 8 Efficiency)
      Memory: 64 GB
      System Firmware Version: 18000.121.3
      OS Loader Version: 18000.121.3

Software:

    System Software Overview:

      System Version: macOS 26.5.2 (25F84)
      Kernel Version: Darwin 25.5.0
      Time since boot: 8 days, 22 hours, 59 minutes

Graphics/Displays:

    Apple M2 Ultra:

      Chipset Model: Apple M2 Ultra
      Type: GPU
      Bus: Built-In
      Total Number of Cores: 60
      Vendor: Apple (0x106b)
      Metal Support: Metal 4
      Displays:
        PHL 278B1:
          Resolution: 3840 x 2160 (2160p/4K UHD 1 - Ultra High Definition)
          UI Looks like: 1920 x 1080 @ 60.00Hz
          Main Display: Yes
          Mirror: Off
          Online: Yes
          Rotation: Supported


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[Tom Goddard]

The score names are put in alphabetical order. Some code that was not checked in from my development build made them appear in random order (an option to include computed names was added and it used set() which disordered the names).

I'm not sure if the score names should use alphabetical order or the order listed in the .csv file header. It may be alphabetical is better.