Exception when closing condetrol main window

[light-scattering-io]

• Caqtus version: 3.5.1
  • Python version: 3.11.1
  • OS: Windows 11

Describe the bug

When closing the condetrol window with the close button, the following traceback will be displayed.

Expected behavior

Closing the application normally should not display an error. Especially, it might hide more important issues.

To Reproduce Steps to reproduce the behavior:

1. Launch the Condetrol app
2. Click on the close button

3. The following error is displayed in the console

   Traceback (most recent call last):
     File "C:\Users\James\AppData\Local\Programs\Python\Python311\Lib\asyncio\runners.py", line 190, in run
       return runner.run(main)
              ^^^^^^^^^^^^^^^^
     File "C:\Users\James\AppData\Local\Programs\Python\Python311\Lib\asyncio\runners.py", line 118, in run
       return self._loop.run_until_complete(task)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
     File "C:\Users\James\Desktop\caqtus_v2\Dy\.venv\Lib\site-packages\caqtus\gui\qtutil\QtAsyncio\events.py", line 194, in run_until_complete
       raise RuntimeError("Event loop stopped before Future completed")
   RuntimeError: Event loop stopped before Future completed
   
   During handling of the above exception, another exception occurred:
   
   Traceback (most recent call last):
     File "C:\Users\James\Desktop\caqtus_v2\Dy\launch_condetrol.py", line 35, in <module>
       dy_experiment.launch_condetrol()
     File "C:\Users\James\Desktop\caqtus_v2\Dy\.venv\Lib\site-packages\caqtus\extension\_experiment.py", line 214, in launch_condetrol
       app.run()
     File "C:\Users\James\Desktop\caqtus_v2\Dy\.venv\Lib\site-packages\caqtus\gui\condetrol\condetrol.py", line 95, in run
       QtAsyncio.run(self.window.run_async(), keep_running=False)
     File "C:\Users\James\Desktop\caqtus_v2\Dy\.venv\Lib\site-packages\caqtus\gui\qtutil\QtAsyncio\__init__.py", line 49, in run
       ret = asyncio.run(coro, debug=debug)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
     File "C:\Users\James\AppData\Local\Programs\Python\Python311\Lib\asyncio\runners.py", line 189, in run
       with Runner(debug=debug) as runner:
     File "C:\Users\James\AppData\Local\Programs\Python\Python311\Lib\asyncio\runners.py", line 63, in __exit__
       self.close()
     File "C:\Users\James\AppData\Local\Programs\Python\Python311\Lib\asyncio\runners.py", line 71, in close
       _cancel_all_tasks(loop)
     File "C:\Users\James\AppData\Local\Programs\Python\Python311\Lib\asyncio\runners.py", line 201, in _cancel_all_tasks
       loop.run_until_complete(tasks.gather(*to_cancel, return_exceptions=True))
     File "C:\Users\James\Desktop\caqtus_v2\Dy\.venv\Lib\site-packages\caqtus\gui\qtutil\QtAsyncio\events.py", line 176, in run_until_complete
       raise RuntimeError("Event loop is closed")
   RuntimeError: Event loop is closed
   Exception ignored in: <coroutine object SequenceWidget.exec_async at 0x000002025D81ECF0>
   Traceback (most recent call last):
     File "C:\Users\James\Desktop\caqtus_v2\Dy\.venv\Lib\site-packages\caqtus\gui\condetrol\sequence_widget\sequence_widget.py", line 138, in exec_async
     File "C:\Users\James\Desktop\caqtus_v2\Dy\.venv\Lib\site-packages\caqtus\gui\condetrol\sequence_widget\sequence_widget.py", line 146, in watch_sequence
     File "C:\Users\James\Desktop\caqtus_v2\Dy\.venv\Lib\site-packages\caqtus\gui\condetrol\sequence_widget\sequence_widget.py", line 281, in _query_state_async
     File "C:\Users\James\Desktop\caqtus_v2\Dy\.venv\Lib\site-packages\caqtus\session\sql\_async_session.py", line 119, in __aexit__
     File "C:\Users\James\AppData\Local\Programs\Python\Python311\Lib\asyncio\threads.py", line 22, in to_thread
   RuntimeError: no running event loop

[damienBloch]

I think this might be an issue with QtAsyncio itself, see this issue.