error with video or masks with video

[Chapester]

ModuleNotFoundError Traceback (most recent call last)
/usr/local/lib/python3.7/dist-packages/imageio/plugins/ffmpeg.py in _get_ffmpeg_api()
58 try:
---> 59 import imageio_ffmpeg
60 except ImportError:

ModuleNotFoundError: No module named 'imageio_ffmpeg'

During handling of the above exception, another exception occurred:

ImportError Traceback (most recent call last)
10 frames
/usr/local/lib/python3.7/dist-packages/imageio/plugins/ffmpeg.py in _get_ffmpeg_api()
60 except ImportError:
61 raise ImportError(
---> 62 "To use the imageio ffmpeg plugin you need to "
63 "'pip install imageio-ffmpeg'"
64 )

ImportError: To use the imageio ffmpeg plugin you need to 'pip install imageio-ffmpeg'