You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

vzenith-camera
0.3.1

This version was deleted from PyPI around 2023-09-29. Installing fails with:
$ pip3 install vzenith-camera==0.3.1 ERROR: Could not find a version that satisfies the requirement vzenith-camera==0.3.1

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2023-09-28/ \ vzenith-camera==0.3.1
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip: