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

attestant
0.8.20

This version was deleted from PyPI around 2026-02-23. Installing fails with:
$ pip3 install attestant==0.8.20 ERROR: Could not find a version that satisfies the requirement attestant==0.8.20
View other deleted versions of attestant

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/2026-02-22/ \ attestant==0.8.20
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Or, download files manually

And install manually via pip:
attestant-0.8.20-py3-none-any.whl (254.9KB)
attestant-0.8.20.tar.gz (240.9KB)