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

aquin
0.5.7

This version was deleted from PyPI around 2026-05-24. Installing fails with:
$ pip3 install aquin==0.5.7 ERROR: Could not find a version that satisfies the requirement aquin==0.5.7
View other deleted versions of aquin

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/2026-05-23/ \ aquin==0.5.7
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:
aquin-0.5.7-py3-none-any.whl (31.9KB)
aquin-0.5.7.tar.gz (33.8KB)