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

yplib
1.5.9

This version was deleted from PyPI around 2025-08-22. Installing fails with:
$ pip3 install yplib==1.5.9 ERROR: Could not find a version that satisfies the requirement yplib==1.5.9
View other deleted versions of yplib

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/2025-08-21/ \ yplib==1.5.9
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Or, download files manually

And install manually via pip:
yplib-1.5.9-py3-none-any.whl (15.7KB)
yplib-1.5.9.tar.gz (12.9KB)