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

apisani-test-project-25063002
1.0.3.post3

This version was deleted from PyPI around 2025-07-03. Installing fails with:
$ pip3 install apisani-test-project-25063002==1.0.3.post3 ERROR: Could not find a version that satisfies the requirement apisani-test-project-25063002==1.0.3.post3

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/2025-07-02/ \ apisani-test-project-25063002==1.0.3.post3
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)