'type' object is not subscriptable

[chimerax-bug-report@…]

The following bug report has been submitted:
Platform:        Windows-10-10.0.19041
ChimeraX Version: 1.2.2 (2021-05-08 05:48:20 UTC)
Description
(Describe the actions that caused this problem to occur here)

Log:
UCSF ChimeraX version: 1.2.2 (2021-05-08)  
© 2016-2021 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open C:/Users/Iván/Downloads/4yxf.pdb

4yxf.pdb title:  
Mups, A 3-oxoacyl (acp) reductase involved In mupirocin biosynthesis [more
info...]  
  
Chain information for 4yxf.pdb #1  
---  
Chain | Description  
A B | MUPS  
  

> ui tool show RIBFIND

Traceback (most recent call last):  
File "C:\Program Files\ChimeraX 1.2.2\bin\lib\site-
packages\chimerax\core\toolshed\info.py", line 538, in start_tool  
ti = api._api_caller.start_tool(api, session, self, tool_info)  
File "C:\Program Files\ChimeraX 1.2.2\bin\lib\site-
packages\chimerax\core\toolshed\\__init__.py", line 1324, in start_tool  
return cls._get_func(api, "start_tool")(session, bi, ti)  
File "C:\Users\Iván\AppData\Local\UCSF\ChimeraX\1.2\site-
packages\chimerax\ribfind\\__init__.py", line 14, in start_tool  
from .tool import RIBFIND  
File "C:\Users\Iván\AppData\Local\UCSF\ChimeraX\1.2\site-
packages\chimerax\ribfind\tool.py", line 5, in <module>  
from .cluster import Clustering  
File "C:\Users\Iván\AppData\Local\UCSF\ChimeraX\1.2\site-
packages\chimerax\ribfind\cluster.py", line 1, in <module>  
from ribfind.model import (  
File "C:\Users\Iván\AppData\Local\UCSF\ChimeraX\1.2\site-
packages\ribfind\model.py", line 13, in <module>  
class Contig:  
File "C:\Users\Iván\AppData\Local\UCSF\ChimeraX\1.2\site-
packages\ribfind\model.py", line 23, in Contig  
def residues(self) -> list[Residue]:  
TypeError: 'type' object is not subscriptable  
  
During handling of the above exception, another exception occurred:  
  
Traceback (most recent call last):  
File "C:\Program Files\ChimeraX 1.2.2\bin\lib\site-
packages\chimerax\ui\gui.py", line 1552, in <lambda>  
run(ses, "ui tool show %s" % StringArg.unparse(tool_name)))  
File "C:\Program Files\ChimeraX 1.2.2\bin\lib\site-
packages\chimerax\core\commands\run.py", line 36, in run  
results = command.run(text, log=log, return_json=return_json)  
File "C:\Program Files\ChimeraX 1.2.2\bin\lib\site-
packages\chimerax\core\commands\cli.py", line 2852, in run  
result = ci.function(session, **kw_args)  
File "C:\Program Files\ChimeraX 1.2.2\bin\lib\site-
packages\chimerax\ui\cmd.py", line 203, in ui_tool_show  
bi.start_tool(session, name)  
File "C:\Program Files\ChimeraX 1.2.2\bin\lib\site-
packages\chimerax\core\toolshed\info.py", line 543, in start_tool  
raise ToolshedError(  
chimerax.core.toolshed.ToolshedError: start_tool() failed for tool RIBFIND in
bundle ChimeraX-RIBFIND:  
'type' object is not subscriptable  
  
chimerax.core.toolshed.ToolshedError: start_tool() failed for tool RIBFIND in
bundle ChimeraX-RIBFIND:  
'type' object is not subscriptable  
  
File "C:\Program Files\ChimeraX 1.2.2\bin\lib\site-
packages\chimerax\core\toolshed\info.py", line 543, in start_tool  
raise ToolshedError(  
  
See log for complete Python traceback.  
  




OpenGL version: 3.3.0 - Build 30.0.101.1340
OpenGL renderer: Intel(R) HD Graphics 520
OpenGL vendor: Intel
Manufacturer: LENOVO
Model: 80UC
OS: Microsoft Windows 10 Education (Build 19044)
Memory: 8,457,560,064
MaxProcessMemory: 137,438,953,344
CPU: 4 Intel(R) Core(TM) i3-6006U CPU @ 2.00GHz
OSLanguage: es-ES
Locale: ('es_MX', 'cp1252')
PyQt5 5.15.2, Qt 5.15.2
Installed Packages:
    alabaster: 0.7.12
    appdirs: 1.4.4
    Babel: 2.9.1
    backcall: 0.2.0
    biopython: 1.79
    blockdiag: 2.0.1
    certifi: 2020.12.5
    cftime: 1.4.1
    chardet: 3.0.4
    ChimeraX-AddCharge: 1.0
    ChimeraX-AddH: 2.1.6
    ChimeraX-AlignmentAlgorithms: 2.0
    ChimeraX-AlignmentHdrs: 3.2
    ChimeraX-AlignmentMatrices: 2.0
    ChimeraX-Alignments: 2.1
    ChimeraX-AmberInfo: 1.0
    ChimeraX-Arrays: 1.0
    ChimeraX-Atomic: 1.13.3
    ChimeraX-AtomicLibrary: 3.1.3
    ChimeraX-AtomSearch: 2.0
    ChimeraX-AtomSearchLibrary: 1.0
    ChimeraX-AxesPlanes: 2.0
    ChimeraX-BasicActions: 1.1
    ChimeraX-BILD: 1.0
    ChimeraX-BlastProtein: 1.1
    ChimeraX-BondRot: 2.0
    ChimeraX-BugReporter: 1.0
    ChimeraX-BuildStructure: 2.5.2
    ChimeraX-Bumps: 1.0
    ChimeraX-BundleBuilder: 1.1
    ChimeraX-ButtonPanel: 1.0
    ChimeraX-CageBuilder: 1.0
    ChimeraX-CellPack: 1.0
    ChimeraX-Centroids: 1.1
    ChimeraX-ChemGroup: 2.0
    ChimeraX-Clashes: 2.1
    ChimeraX-ColorActions: 1.0
    ChimeraX-ColorGlobe: 1.0
    ChimeraX-ColorKey: 1.2.1
    ChimeraX-CommandLine: 1.1.4
    ChimeraX-ConnectStructure: 2.0
    ChimeraX-Contacts: 1.0
    ChimeraX-Core: 1.2.2
    ChimeraX-CoreFormats: 1.0
    ChimeraX-coulombic: 1.1.1
    ChimeraX-Crosslinks: 1.0
    ChimeraX-Crystal: 1.0
    ChimeraX-CrystalContacts: 1.0
    ChimeraX-DataFormats: 1.1
    ChimeraX-Dicom: 1.0
    ChimeraX-DistMonitor: 1.1.2
    ChimeraX-DistUI: 1.0
    ChimeraX-Dssp: 2.0
    ChimeraX-EMDB-SFF: 1.0
    ChimeraX-ExperimentalCommands: 1.0
    ChimeraX-FileHistory: 1.0
    ChimeraX-FunctionKey: 1.0
    ChimeraX-Geometry: 1.1
    ChimeraX-gltf: 1.0
    ChimeraX-Graphics: 1.0
    ChimeraX-Hbonds: 2.1
    ChimeraX-Help: 1.1
    ChimeraX-HKCage: 1.3
    ChimeraX-IHM: 1.0
    ChimeraX-ImageFormats: 1.1
    ChimeraX-IMOD: 1.0
    ChimeraX-IO: 1.0.1
    ChimeraX-Label: 1.0
    ChimeraX-ListInfo: 1.1.1
    ChimeraX-Log: 1.1.2
    ChimeraX-LookingGlass: 1.1
    ChimeraX-Maestro: 1.8.1
    ChimeraX-Map: 1.0.2
    ChimeraX-MapData: 2.0
    ChimeraX-MapEraser: 1.0
    ChimeraX-MapFilter: 2.0
    ChimeraX-MapFit: 2.0
    ChimeraX-MapSeries: 2.0
    ChimeraX-Markers: 1.0
    ChimeraX-Mask: 1.0
    ChimeraX-MatchMaker: 1.2.1
    ChimeraX-MDcrds: 2.2
    ChimeraX-MedicalToolbar: 1.0.1
    ChimeraX-Meeting: 1.0
    ChimeraX-MLP: 1.1
    ChimeraX-mmCIF: 2.3
    ChimeraX-MMTF: 2.1
    ChimeraX-Modeller: 1.0.1
    ChimeraX-ModelPanel: 1.0.1
    ChimeraX-ModelSeries: 1.0
    ChimeraX-Mol2: 2.0
    ChimeraX-Morph: 1.0
    ChimeraX-MouseModes: 1.1
    ChimeraX-Movie: 1.0
    ChimeraX-Neuron: 1.0
    ChimeraX-Nucleotides: 2.0.1
    ChimeraX-OpenCommand: 1.5
    ChimeraX-PDB: 2.4.1
    ChimeraX-PDBBio: 1.0
    ChimeraX-PDBLibrary: 1.0.1
    ChimeraX-PDBMatrices: 1.0
    ChimeraX-PickBlobs: 1.0
    ChimeraX-Positions: 1.0
    ChimeraX-PresetMgr: 1.0.1
    ChimeraX-PubChem: 2.0.1
    ChimeraX-ReadPbonds: 1.0
    ChimeraX-Registration: 1.1
    ChimeraX-RemoteControl: 1.0
    ChimeraX-ResidueFit: 1.0
    ChimeraX-RestServer: 1.1
    ChimeraX-RIBFIND: 0.2
    ChimeraX-RNALayout: 1.0
    ChimeraX-RotamerLibMgr: 2.0
    ChimeraX-RotamerLibsDunbrack: 2.0
    ChimeraX-RotamerLibsDynameomics: 2.0
    ChimeraX-RotamerLibsRichardson: 2.0
    ChimeraX-SaveCommand: 1.4
    ChimeraX-SchemeMgr: 1.0
    ChimeraX-SDF: 2.0
    ChimeraX-Segger: 1.0
    ChimeraX-Segment: 1.0
    ChimeraX-SeqView: 2.3
    ChimeraX-Shape: 1.0.1
    ChimeraX-Shell: 1.0
    ChimeraX-Shortcuts: 1.0
    ChimeraX-ShowAttr: 1.0
    ChimeraX-ShowSequences: 1.0
    ChimeraX-SideView: 1.0
    ChimeraX-Smiles: 2.0.1
    ChimeraX-SmoothLines: 1.0
    ChimeraX-SpaceNavigator: 1.0
    ChimeraX-StdCommands: 1.3.1
    ChimeraX-STL: 1.0
    ChimeraX-Storm: 1.0
    ChimeraX-Struts: 1.0
    ChimeraX-Surface: 1.0
    ChimeraX-SwapAA: 2.0
    ChimeraX-SwapRes: 2.1
    ChimeraX-TapeMeasure: 1.0
    ChimeraX-Test: 1.0
    ChimeraX-Toolbar: 1.0.1
    ChimeraX-ToolshedUtils: 1.2
    ChimeraX-Tug: 1.0
    ChimeraX-UI: 1.7.4
    ChimeraX-uniprot: 2.1
    ChimeraX-UnitCell: 1.0
    ChimeraX-ViewDockX: 1.0
    ChimeraX-Vive: 1.1
    ChimeraX-VolumeMenu: 1.0
    ChimeraX-VTK: 1.0
    ChimeraX-WavefrontOBJ: 1.0
    ChimeraX-WebCam: 1.0
    ChimeraX-WebServices: 1.0
    ChimeraX-Zone: 1.0
    colorama: 0.4.3
    comtypes: 1.1.7
    cxservices: 1.0
    cycler: 0.10.0
    Cython: 0.29.21
    decorator: 5.0.7
    distlib: 0.3.1
    docutils: 0.16
    filelock: 3.0.12
    funcparserlib: 0.3.6
    grako: 3.16.5
    h5py: 2.10.0
    html2text: 2020.1.16
    idna: 2.10
    ihm: 0.17
    imagecodecs: 2020.5.30
    imagesize: 1.2.0
    ipykernel: 5.3.4
    ipython: 7.18.1
    ipython-genutils: 0.2.0
    jedi: 0.17.2
    Jinja2: 3.1.2
    jupyter-client: 6.1.7
    jupyter-core: 4.7.1
    kiwisolver: 1.3.1
    line-profiler: 2.1.2
    lxml: 4.6.2
    lz4: 3.1.0
    MarkupSafe: 2.1.1
    matplotlib: 3.3.2
    msgpack: 1.0.0
    netCDF4: 1.5.4
    networkx: 2.5
    numexpr: 2.7.3
    numpy: 1.19.2
    numpydoc: 1.1.0
    openvr: 1.14.1501
    packaging: 20.9
    ParmEd: 3.2.0
    parso: 0.7.1
    pickleshare: 0.7.5
    Pillow: 7.2.0
    pip: 21.0.1
    pkginfo: 1.5.0.1
    prompt-toolkit: 3.0.18
    psutil: 5.7.2
    pycollada: 0.7.1
    pydicom: 2.0.0
    Pygments: 2.7.1
    PyOpenGL: 3.1.5
    PyOpenGL-accelerate: 3.1.5
    pyparsing: 2.4.7
    PyQt5-commercial: 5.15.2
    PyQt5-sip: 12.8.1
    PyQtWebEngine-commercial: 5.15.2
    python-dateutil: 2.8.1
    pytz: 2021.1
    pywin32: 228
    pyzmq: 22.0.3
    qtconsole: 4.7.7
    QtPy: 1.9.0
    RandomWords: 0.3.0
    requests: 2.24.0
    ribfind: 2.0.2
    scipy: 1.5.2
    Send2Trash: 1.8.0
    SEQCROW: 1.5.2
    setuptools: 50.3.2
    sfftk-rw: 0.6.7.dev1
    six: 1.15.0
    snowballstemmer: 2.1.0
    sortedcontainers: 2.2.2
    Sphinx: 3.2.1
    sphinxcontrib-applehelp: 1.0.2
    sphinxcontrib-blockdiag: 2.0.0
    sphinxcontrib-devhelp: 1.0.2
    sphinxcontrib-htmlhelp: 1.0.3
    sphinxcontrib-jsmath: 1.0.1
    sphinxcontrib-qthelp: 1.0.3
    sphinxcontrib-serializinghtml: 1.1.4
    suds-jurko: 0.6
    tables: 3.6.1
    tifffile: 2020.9.3
    tinyarray: 1.2.3
    tornado: 6.1
    traitlets: 5.0.5
    urllib3: 1.25.11
    wcwidth: 0.2.5
    webcolors: 1.11.1
    wheel: 0.36.0
    wheel-filename: 1.3.0
    WMI: 1.5.1

[Eric Pettersen]

It seems that type annotations were not supported in the older version of Python included with ChimeraX 1.2.2