YRoom - TypeError: unsupported operand type(s) for 'in': 'int' and 'EnumType'

[Zsailer]

This line is causing the following Traceback in Python 3.11 for me:

Traceback (most recent call last):
  File "/Users/zacharysailer/Documents/oss/jupyter-rtc-core/jupyter_rtc_core/rooms/yroom.py", line 174, in _process_message_queue
    invalid_message_type = message_type not in YMessageType
                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/zacharysailer/miniforge3/envs/jupyter-rtc-core/lib/python3.11/enum.py", line 742, in __contains__
    raise TypeError(
TypeError: unsupported operand type(s) for 'in': 'int' and 'EnumType'

Originally posted by @Zsailer in #50 (comment)