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

pnostic
0.1.21

This version was deleted from PyPI around 2023-10-09. Installing fails with:
$ pip3 install pnostic==0.1.21 ERROR: Could not find a version that satisfies the requirement pnostic==0.1.21
View other deleted versions of pnostic

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/2023-10-08/ \ pnostic==0.1.21
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Or, download files manually

And install manually via pip:
pnostic-0.1.21-py3-none-any.whl (6.3KB)
pnostic-0.1.21.tar.gz (6.7KB)