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

qosm
0.41

This version was deleted from PyPI around 2026-04-29. Installing fails with:
$ pip3 install qosm==0.41 ERROR: Could not find a version that satisfies the requirement qosm==0.41
View other deleted versions of qosm

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/2026-04-28/ \ qosm==0.41
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:
qosm-0.41-cp311-cp311-manylinux_2_39_x86_64.whl (24.3MB)
qosm-0.41-cp311-cp311-win_amd64.whl (12.7MB)
qosm-0.41-cp312-cp312-manylinux_2_39_x86_64.whl (24.3MB)
qosm-0.41-cp312-cp312-win_amd64.whl (12.7MB)
qosm-0.41-cp313-cp313-manylinux_2_39_x86_64.whl (24.3MB)
qosm-0.41-cp313-cp313-win_amd64.whl (12.7MB)