You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
testospkg was reported malicious
OSV:MAL-2025-1997 - Malicious code in testospkg (PyPI)

testospkg
0.0.2

This version was deleted from PyPI around 2025-01-29. Installing fails with:
$ pip3 install testospkg==0.0.2 ERROR: Could not find a version that satisfies the requirement testospkg==0.0.2
View other deleted versions of testospkg

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/2025-01-28/ \ testospkg==0.0.2
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:
testospkg-0.0.2.tar.gz (1.2KB)