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

quarkcircuit
0.2.10

This version was deleted from PyPI around 2026-05-13. Installing fails with:
$ pip3 install quarkcircuit==0.2.10 ERROR: Could not find a version that satisfies the requirement quarkcircuit==0.2.10
View other deleted versions of quarkcircuit

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/2026-05-12/ \ quarkcircuit==0.2.10
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:
quarkcircuit-0.2.10-py3-none-any.whl (47.7KB)
quarkcircuit-0.2.10.tar.gz (38.5KB)