Error in sys.excepthook:
Traceback (most recent call last):
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/logger.py", line 297, in ehook
    self.session.ui.thread_safe(self.report_exception, exc_info=exc_info)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/ui/gui.py", line 366, in thread_safe
    func(*args, **kw)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/logger.py", line 443, in report_exception
    self.info(tb_msg, is_html=True)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/logger.py", line 388, in info
    self._log(Log.LEVEL_INFO, msg, add_newline, image, is_html,
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/logger.py", line 498, in _log
    if log.log(*args):
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/log/tool.py", line 340, in log
    self.show_page_source()
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/log/tool.py", line 344, in show_page_source
    self.session.ui.thread_safe(self._show)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/ui/gui.py", line 366, in thread_safe
    func(*args, **kw)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/log/tool.py", line 348, in _show
    self.regulating_timer.start(100)
RuntimeError: wrapped C/C++ object of type QTimer has been deleted

Original exception was:
Traceback (most recent call last):
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/ui/gui.py", line 202, in cx_qt_msg_handler
    self.session.logger.method_map[log_level](msg_string)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/logger.py", line 465, in warning
    self._log(Log.LEVEL_WARNING, msg, add_newline, image, is_html,
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/logger.py", line 498, in _log
    if log.log(*args):
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/log/tool.py", line 340, in log
    self.show_page_source()
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/log/tool.py", line 344, in show_page_source
    self.session.ui.thread_safe(self._show)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/ui/gui.py", line 366, in thread_safe
    func(*args, **kw)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/log/tool.py", line 348, in _show
    self.regulating_timer.start(100)
RuntimeError: wrapped C/C++ object of type QTimer has been deleted
Error in sys.excepthook:
Traceback (most recent call last):
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/logger.py", line 297, in ehook
    self.session.ui.thread_safe(self.report_exception, exc_info=exc_info)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/ui/gui.py", line 366, in thread_safe
    func(*args, **kw)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/logger.py", line 443, in report_exception
    self.info(tb_msg, is_html=True)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/logger.py", line 388, in info
    self._log(Log.LEVEL_INFO, msg, add_newline, image, is_html,
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/logger.py", line 498, in _log
    if log.log(*args):
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/log/tool.py", line 340, in log
    self.show_page_source()
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/log/tool.py", line 344, in show_page_source
    self.session.ui.thread_safe(self._show)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/ui/gui.py", line 366, in thread_safe
    func(*args, **kw)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/log/tool.py", line 348, in _show
    self.regulating_timer.start(100)
RuntimeError: wrapped C/C++ object of type QTimer has been deleted

Original exception was:
Traceback (most recent call last):
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/ui/gui.py", line 202, in cx_qt_msg_handler
    self.session.logger.method_map[log_level](msg_string)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/logger.py", line 465, in warning
    self._log(Log.LEVEL_WARNING, msg, add_newline, image, is_html,
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/logger.py", line 498, in _log
    if log.log(*args):
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/log/tool.py", line 340, in log
    self.show_page_source()
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/log/tool.py", line 344, in show_page_source
    self.session.ui.thread_safe(self._show)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/ui/gui.py", line 366, in thread_safe
    func(*args, **kw)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/log/tool.py", line 348, in _show
    self.regulating_timer.start(100)
RuntimeError: wrapped C/C++ object of type QTimer has been deleted
Error in sys.excepthook:
Traceback (most recent call last):
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/logger.py", line 297, in ehook
    self.session.ui.thread_safe(self.report_exception, exc_info=exc_info)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/ui/gui.py", line 366, in thread_safe
    func(*args, **kw)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/logger.py", line 443, in report_exception
    self.info(tb_msg, is_html=True)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/logger.py", line 388, in info
    self._log(Log.LEVEL_INFO, msg, add_newline, image, is_html,
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/logger.py", line 498, in _log
    if log.log(*args):
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/log/tool.py", line 340, in log
    self.show_page_source()
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/log/tool.py", line 344, in show_page_source
    self.session.ui.thread_safe(self._show)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/ui/gui.py", line 366, in thread_safe
    func(*args, **kw)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/log/tool.py", line 348, in _show
    self.regulating_timer.start(100)
RuntimeError: wrapped C/C++ object of type QTimer has been deleted

Original exception was:
Traceback (most recent call last):
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/ui/gui.py", line 202, in cx_qt_msg_handler
    self.session.logger.method_map[log_level](msg_string)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/logger.py", line 465, in warning
    self._log(Log.LEVEL_WARNING, msg, add_newline, image, is_html,
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/core/logger.py", line 498, in _log
    if log.log(*args):
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/log/tool.py", line 340, in log
    self.show_page_source()
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/log/tool.py", line 344, in show_page_source
    self.session.ui.thread_safe(self._show)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/ui/gui.py", line 366, in thread_safe
    func(*args, **kw)
  File "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/chimerax/log/tool.py", line 348, in _show
    self.regulating_timer.start(100)
RuntimeError: wrapped C/C++ object of type QTimer has been deleted