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

aspy21
0.1.1b8

This version was deleted from PyPI around 2025-11-04. Installing fails with:
$ pip3 install aspy21==0.1.1b8 ERROR: Could not find a version that satisfies the requirement aspy21==0.1.1b8
View other deleted versions of aspy21

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/2025-11-03/ \ aspy21==0.1.1b8
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Or, download files manually

And install manually via pip:
aspy21-0.1.1b8-py3-none-any.whl (14.6KB)
aspy21-0.1.1b8.tar.gz (569.7KB)