latest PyAV breaks things

[kushalkolar]

The latest release of PyAV v10.0.0 seems to have broken reading video files. It ends up being usable but it's slower for some reason. Using v9.2.0 works fine though.

Exception ignored in: <function PyAVReaderIndexed.__del__ at 0x7fa6dfabb9a0>
Traceback (most recent call last):
  File "/home/kushalk/python-venvs/mescore/lib/python3.10/site-packages/pims/pyav_reader.py", line 365, in __del__
    self._container.close()
AttributeError: 'NoneType' object has no attribute 'close'
Exception ignored in: <function PyAVReaderIndexed.__del__ at 0x7fa6dfabb9a0>
Traceback (most recent call last):
  File "/home/kushalk/python-venvs/mescore/lib/python3.10/site-packages/pims/pyav_reader.py", line 365, in __del__
    self._container.close()
AttributeError: 'NoneType' object has no attribute 'close'