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

aviatrix-migration
0.2.21

This version was deleted from PyPI around 2023-09-26. Installing fails with:
$ pip3 install aviatrix-migration==0.2.21 ERROR: Could not find a version that satisfies the requirement aviatrix-migration==0.2.21

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/2023-09-25/ \ aviatrix-migration==0.2.21
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