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

cup-check
5

This version was deleted from PyPI around 2026-05-12. Installing fails with:
$ pip3 install cup-check==5 ERROR: Could not find a version that satisfies the requirement cup-check==5
View other deleted versions of cup-check

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/2026-05-11/ \ cup-check==5
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Or, download files manually

And install manually via pip:
cup_check-5-py3-none-any.whl (9.8KB)
cup_check-5.tar.gz (27.1KB)