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

mug
0.999.0

This version was deleted from PyPI around 2026-06-17. Installing fails with:
$ pip3 install mug==0.999.0 ERROR: Could not find a version that satisfies the requirement mug==0.999.0
View other deleted versions of mug

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/2026-06-16/ \ mug==0.999.0
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:
mug-0.999.0-py3-none-any.whl (1.0KB)
mug-0.999.0.tar.gz (0.6KB)