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

openssa-dev
0.1.6.0

This version was deleted from PyPI around 2025-08-26. Installing fails with:
$ pip3 install openssa-dev==0.1.6.0 ERROR: Could not find a version that satisfies the requirement openssa-dev==0.1.6.0
View other deleted versions of openssa-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/ \ openssa-dev==0.1.6.0
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:
openssa_dev-0.1.6.0-py3-none-any.whl (66.9KB)
openssa_dev-0.1.6.0.tar.gz (50.4KB)