installing any package= impossible headache

[Larz60+]

from browser: https://pypi.python.org/pypi?%3Aaction=s...mit=search

to get a list of mp4 packages
pymovie hasn't been worked on for over 2 years, so expect it has been abandoned.
I would choose another from list  generated at start of this post.

once chosen, from command line:

pip install packagename