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

asim
25.9.4

This version was deleted from PyPI around 2025-09-22. Installing fails with:
$ pip3 install asim==25.9.4 ERROR: Could not find a version that satisfies the requirement asim==25.9.4
View other deleted versions of asim

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/2025-09-21/ \ asim==25.9.4
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:
asim-25.9.4-cp312-cp312-win_amd64.whl (101.5KB)