reproducible .pyc files (& python-for-android)

[Felix C. Stegerman]

* "Felix C. Stegerman" <flx at obfusk.net> [2021-01-04 18:07]:
> The issue I had w/ .pyc files was probably caused by something
> specific to the GitHub Actions Ubuntu image.

Using an Ubuntu 20.04 docker image on GHA results in identical builds
as on an Ubuntu 20.04 VM locally.  So it seems it was indeed something
about the GHA image.  I think I'll leave it at that.

But thank you all for the help :)

- Felix