Session restore: invalid load key, '\x04'

[chimerax-bug-report@…]

The following bug report has been submitted:
Platform:        Darwin-19.6.0-x86_64-i386-64bit
ChimeraX Version: 1.0 (2020-06-04 23:15:07 UTC)
Description
(Describe the actions that caused this problem to occur here)

Log:
UCSF ChimeraX version: 1.0 (2020-06-04)  
© 2016-2020 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open
> /Users/knguyen/Documents/Work/Telomerase_Project/Telomerase_Recruitment/Modelling/TelRec/ChimeraSessions/9Feb21-Movie.cxs
> format session

Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/ui/gui.py", line 604, in customEvent  
func(*args, **kw)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/ui/widgets/htmlview.py", line 433, in defer  
cxcmd(session, topic)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/ui/widgets/htmlview.py", line 449, in cxcmd  
run(session, cmd)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/commands/run.py", line 31, in run  
results = command.run(text, log=log)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/commands/cli.py", line 2805, in run  
result = ci.function(session, **kw_args)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/open_command/cmd.py", line 101, in cmd_open  
Command(session, registry=registry).run(provider_cmd_text, log=log)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/commands/cli.py", line 2805, in run  
result = ci.function(session, **kw_args)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/open_command/cmd.py", line 152, in provider_open  
name or model_name_from_path(fi.file_name)), provider_kw)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/open_command/cmd.py", line 383, in collated_open  
return func(*func_args, **func_kw)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core_formats/__init__.py", line 26, in open  
return cxs_open(session, data, **kw)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/session.py", line 938, in open  
session.restore(stream, path=path, resize_window=resize_window)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/session.py", line 615, in restore  
version = serialize.pickle_deserialize(stream)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/serialize.py", line 57, in pickle_deserialize  
return unpickler.load()  
_pickle.UnpicklingError: invalid load key, '\x04'.  
  
_pickle.UnpicklingError: invalid load key, '\x04'.  
  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/serialize.py", line 57, in pickle_deserialize  
return unpickler.load()  
  
See log for complete Python traceback.  
  

> open
> /Users/knguyen/Documents/Work/Telomerase_Project/Telomerase_Recruitment/Modelling/TelRec/ChimeraSessions/9Feb21-Movie.cxs

Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/open_command/dialog.py", line 150, in _qt_safe  
if data_format is None else " format " +
StringArg.unparse(data_format.nicknames[0])))  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/commands/run.py", line 31, in run  
results = command.run(text, log=log)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/commands/cli.py", line 2805, in run  
result = ci.function(session, **kw_args)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/open_command/cmd.py", line 101, in cmd_open  
Command(session, registry=registry).run(provider_cmd_text, log=log)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/commands/cli.py", line 2805, in run  
result = ci.function(session, **kw_args)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/open_command/cmd.py", line 152, in provider_open  
name or model_name_from_path(fi.file_name)), provider_kw)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/open_command/cmd.py", line 383, in collated_open  
return func(*func_args, **func_kw)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core_formats/__init__.py", line 26, in open  
return cxs_open(session, data, **kw)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/session.py", line 938, in open  
session.restore(stream, path=path, resize_window=resize_window)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/session.py", line 615, in restore  
version = serialize.pickle_deserialize(stream)  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/serialize.py", line 57, in pickle_deserialize  
return unpickler.load()  
_pickle.UnpicklingError: invalid load key, '\x04'.  
  
_pickle.UnpicklingError: invalid load key, '\x04'.  
  
File
"/Applications/ChimeraX-1.0.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/serialize.py", line 57, in pickle_deserialize  
return unpickler.load()  
  
See log for complete Python traceback.  
  




OpenGL version: 4.1 INTEL-14.7.21
OpenGL renderer: Intel(R) Iris(TM) Plus Graphics 650
OpenGL vendor: Intel Inc.Hardware:

    Hardware Overview:

      Model Name: MacBook Pro
      Model Identifier: MacBookPro14,2
      Processor Name: Dual-Core Intel Core i7
      Processor Speed: 3.5 GHz
      Number of Processors: 1
      Total Number of Cores: 2
      L2 Cache (per Core): 256 KB
      L3 Cache: 4 MB
      Hyper-Threading Technology: Enabled
      Memory: 16 GB
      Boot ROM Version: 447.60.3.0.0
      SMC Version (system): 2.44f6

Software:

    System Software Overview:

      System Version: macOS 10.15.7 (19H1615)
      Kernel Version: Darwin 19.6.0
      Time since boot: 25 days 22:23

Graphics/Displays:

    Intel Iris Plus Graphics 650:

      Chipset Model: Intel Iris Plus Graphics 650
      Type: GPU
      Bus: Built-In
      VRAM (Dynamic, Max): 1536 MB
      Vendor: Intel
      Device ID: 0x5927
      Revision ID: 0x0006
      Metal: Supported, feature set macOS GPUFamily2 v1
      Displays:
        Color LCD:
          Display Type: Built-In Retina LCD
          Resolution: 2560 x 1600 Retina
          Framebuffer Depth: 24-Bit Color (ARGB8888)
          Main Display: Yes
          Mirror: Off
          Online: Yes
          Automatically Adjust Brightness: No
          Connection Type: Internal

PyQt version: 5.12.3
Compiled Qt version: 5.12.4
Runtime Qt version: 5.12.8