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

rscmwbase
3.7.90.37

This version was deleted from PyPI around 2026-01-16. Installing fails with:
$ pip3 install rscmwbase==3.7.90.37 ERROR: Could not find a version that satisfies the requirement rscmwbase==3.7.90.37
View other deleted versions of rscmwbase

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/2026-01-15/ \ rscmwbase==3.7.90.37
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:
RsCmwBase-3.7.90.37-py3-none-any.whl (441.7KB)
RsCmwBase-3.7.90.37.tar.gz (166.9KB)