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

qcogclient
0.0.20

This version was deleted from PyPI around 2025-08-27. Installing fails with:
$ pip3 install qcogclient==0.0.20 ERROR: Could not find a version that satisfies the requirement qcogclient==0.0.20
View other deleted versions of qcogclient

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/2025-08-26/ \ qcogclient==0.0.20
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:
qcogclient-0.0.20-py3-none-any.whl (33.1KB)
qcogclient-0.0.20.tar.gz (71.4KB)