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

chalkpy
1.15.20

This version was deleted from PyPI around 2026-05-07. Installing fails with:
$ pip3 install chalkpy==1.15.20 ERROR: Could not find a version that satisfies the requirement chalkpy==1.15.20
View other deleted versions of chalkpy

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/2026-05-06/ \ chalkpy==1.15.20
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Or, download files manually

And install manually via pip:
chalkpy-1.15.20-py3-none-any.whl (591.4KB)
chalkpy-1.15.20.tar.gz (207.1KB)