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

rsmxo
2.7.3

This version was deleted from PyPI around 2026-02-24. Installing fails with:
$ pip3 install rsmxo==2.7.3 ERROR: Could not find a version that satisfies the requirement rsmxo==2.7.3
View other deleted versions of rsmxo

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/2026-02-23/ \ rsmxo==2.7.3
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:
rsmxo-2.7.3-py3-none-any.whl (3.2MB)
rsmxo-2.7.3.tar.gz (848.8KB)