Traceback (most recent call last):
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\session.py", line 280, in process
    data = sm.take_snapshot(obj, session, self.state_flags)
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\seq-view\tool.py", line 656, in take_snapshot
    'ToolInstance': ToolInstance.take_snapshot(self, session, flags),
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\tools.py", line 96, in take_snapshot
    data['shown'] = self.tool_window.shown
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\ui\gui.py", line 1908, in shown
    return self.__toolkit.shown
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\ui\gui.py", line 2187, in shown
    return not self.dock_widget.isHidden()
RuntimeError: wrapped C/C++ object of type QDockWidget has been deleted

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\session.py", line 259, in discovery
    self.processed[key] = self.process(obj, parents)
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\session.py", line 283, in process
    raise RuntimeError(msg) from e
RuntimeError: Error while saving session data for 'tools' -> <chimerax.core.tools.Tools object at 0x00000211CD52A508> -> <chimerax.seq-view.tool.SequenceViewer object at 0x00000211E6999DC8>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\session.py", line 826, in save
    session.save(output, version=version, include_maps=include_maps)
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\session.py", line 583, in save
    mgr.discovery(self._state_containers)
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\session.py", line 261, in discovery
    raise ValueError("error processing: %s: %s" % (_obj_stack(parents, obj), e))
ValueError: error processing: 'tools' -> <chimerax.core.tools.Tools object at 0x00000211CD52A508> -> <chimerax.seq-view.tool.SequenceViewer object at 0x00000211E6999DC8>: Error while saving session data for 'tools' -> <chimerax.core.tools.Tools object at 0x00000211CD52A508> -> <chimerax.seq-view.tool.SequenceViewer object at 0x00000211E6999DC8>

ValueError: error processing: 'tools' -> -> : Error while saving session data for 'tools' -> -> 

File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\session.py", line 261, in discovery
raise ValueError("error processing: %s: %s" % (_obj_stack(parents, obj), e))

See log for complete Python traceback.

Traceback (most recent call last):
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\session.py", line 280, in process
    data = sm.take_snapshot(obj, session, self.state_flags)
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\seq-view\tool.py", line 656, in take_snapshot
    'ToolInstance': ToolInstance.take_snapshot(self, session, flags),
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\tools.py", line 96, in take_snapshot
    data['shown'] = self.tool_window.shown
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\ui\gui.py", line 1908, in shown
    return self.__toolkit.shown
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\ui\gui.py", line 2187, in shown
    return not self.dock_widget.isHidden()
RuntimeError: wrapped C/C++ object of type QDockWidget has been deleted

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\session.py", line 259, in discovery
    self.processed[key] = self.process(obj, parents)
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\session.py", line 283, in process
    raise RuntimeError(msg) from e
RuntimeError: Error while saving session data for 'tools' -> <chimerax.core.tools.Tools object at 0x00000211CD52A508> -> <chimerax.seq-view.tool.SequenceViewer object at 0x00000211E6999DC8>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\ui\gui.py", line 1574, in <lambda>
    action.triggered.connect(lambda arg, cb = callback: cb())
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\save_command\dialog.py", line 102, in <lambda>
    lambda *args, ses=session: show_save_file_dialog(ses), tool_tip="Save output file",
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\save_command\dialog.py", line 113, in show_save_file_dialog
    _dlg.display(session, **kw)
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\save_command\dialog.py", line 48, in display
    run(session, cmd)
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\commands\run.py", line 31, in run
    results = command.run(text, log=log)
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\commands\cli.py", line 2805, in run
    result = ci.function(session, **kw_args)
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\save_command\cmd.py", line 66, in cmd_save
    Command(session, registry=registry).run(provider_cmd_text, log=log)
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\commands\cli.py", line 2805, in run
    result = ci.function(session, **kw_args)
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\save_command\cmd.py", line 79, in provider_save
    mgr).save(session, path, **provider_kw)
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core_formats\__init__.py", line 79, in save
    return cxs_save(session, path, **kw)
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\session.py", line 826, in save
    session.save(output, version=version, include_maps=include_maps)
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\session.py", line 583, in save
    mgr.discovery(self._state_containers)
  File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\session.py", line 261, in discovery
    raise ValueError("error processing: %s: %s" % (_obj_stack(parents, obj), e))
ValueError: error processing: 'tools' -> <chimerax.core.tools.Tools object at 0x00000211CD52A508> -> <chimerax.seq-view.tool.SequenceViewer object at 0x00000211E6999DC8>: Error while saving session data for 'tools' -> <chimerax.core.tools.Tools object at 0x00000211CD52A508> -> <chimerax.seq-view.tool.SequenceViewer object at 0x00000211E6999DC8>

ValueError: error processing: 'tools' -> -> : Error while saving session data for 'tools' -> -> 

File "C:\Program Files\ChimeraX 1.1\bin\lib\site-packages\chimerax\core\session.py", line 261, in discovery
raise ValueError("error processing: %s: %s" % (_obj_stack(parents, obj), e))

See log for complete Python traceback.
