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

qumin
3.0.0

This version was deleted from PyPI around 2025-03-14. Installing fails with:
$ pip3 install qumin==3.0.0 ERROR: Could not find a version that satisfies the requirement qumin==3.0.0
View other deleted versions of qumin

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/2025-03-13/ \ qumin==3.0.0
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
qumin-3.0.0-py2.py3-none-any.whl (101.4KB)
qumin-3.0.0.tar.gz (98.3KB)