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

asterism
0.5.2

This version was deleted from PyPI around 2026-08-04. Installing fails with:
$ pip3 install asterism==0.5.2 ERROR: Could not find a version that satisfies the requirement asterism==0.5.2
View other deleted versions of asterism

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/2026-08-03/ \ asterism==0.5.2
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:
asterism-0.5.2-py3-none-any.whl (12.0KB)
asterism-0.5.2.tar.gz (10.9KB)