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

openssm-dev
0.1.6.9

This version was deleted from PyPI around 2025-08-26. Installing fails with:
$ pip3 install openssm-dev==0.1.6.9 ERROR: Could not find a version that satisfies the requirement openssm-dev==0.1.6.9
View other deleted versions of openssm-dev

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/2025-08-25/ \ openssm-dev==0.1.6.9
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:
openssm_dev-0.1.6.9-py3-none-any.whl (42.1KB)
openssm_dev-0.1.6.9.tar.gz (30.5KB)