Issue: Cannot enter '(' in IPython terminal

[KvantXiu]

Describe the error

I added "self.embed()" to enable the interaction. Then the IPython terminal shown. There was an "Unhandled exception in event loop" error when enter "Shift + (".

Code and Error

Code:
Shift + (

Error:
UserWarning: Failed to get module start
warnings.warn("Failed to get module %s" % \

Unhandled exception in event loop:
File "C:\Users\xxx\AppData\Local\Programs\Python\Python39\lib\asyncio\events.py", line 80, in _run
self._context.run(self._callback, *self._args)
File "C:\Users\xxx\AppData\Local\Programs\Python\Python39\lib\site-packages\prompt_toolkit\input\win32.py", line 613, in ready
callback()
File "C:\Users\xxx\AppData\Local\Programs\Python\Python39\lib\site-packages\prompt_toolkit\application\application.py", line 698, in read_from_input
self.key_processor.process_keys()
File "C:\Users\xxx\AppData\Local\Programs\Python\Python39\lib\site-packages\prompt_toolkit\key_binding\key_processor.py", line 272, in process_keys
self._process_coroutine.send(key_press)
File "C:\Users\xxx\AppData\Local\Programs\Python\Python39\lib\site-packages\prompt_toolkit\key_binding\key_processor.py", line 170, in _process
matches = self._get_matches(buffer)
File "C:\Users\xxx\AppData\Local\Programs\Python\Python39\lib\site-packages\prompt_toolkit\key_binding\key_processor.py", line 128, in _get_matches
return [b for b in self._bindings.get_bindings_for_keys(keys) if b.filter()]
File "C:\Users\xxx\AppData\Local\Programs\Python\Python39\lib\site-packages\prompt_toolkit\key_binding\key_processor.py", line 128, in
return [b for b in self._bindings.get_bindings_for_keys(keys) if b.filter()]
File "C:\Users\xxx\AppData\Local\Programs\Python\Python39\lib\site-packages\prompt_toolkit\filters\base.py", line 134, in call
return all(f() for f in self.filters)
File "C:\Users\xxx\AppData\Local\Programs\Python\Python39\lib\site-packages\prompt_toolkit\filters\base.py", line 134, in
return all(f() for f in self.filters)
File "C:\Users\xxx\AppData\Local\Programs\Python\Python39\lib\site-packages\prompt_toolkit\filters\base.py", line 248, in call
return self.func()
File "C:\Users\xxx\AppData\Local\Programs\Python\Python39\lib\site-packages\IPython\terminal\shortcuts\filters.py", line 75, in auto_match
return shell.auto_match

Exception 'NoneType' object has no attribute 'auto_match'
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Environment

Windows10 x64:
manim version: master

python version: Python 3.9.13

[KvantXiu]

Sorry the version I used: