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

aviatrix-discovery
0.2.23

This version was deleted from PyPI around 2024-06-25. Installing fails with:
$ pip3 install aviatrix-discovery==0.2.23 ERROR: Could not find a version that satisfies the requirement aviatrix-discovery==0.2.23

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/2024-06-24/ \ aviatrix-discovery==0.2.23
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)