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

pykal-core
0.1

This version was deleted from PyPI around 2026-04-27. Installing fails with:
$ pip3 install pykal-core==0.1 ERROR: Could not find a version that satisfies the requirement pykal-core==0.1
View other deleted versions of pykal-core

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/2026-04-26/ \ pykal-core==0.1
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Or, download files manually

And install manually via pip:
pykal_core-0.1-py3-none-any.whl (1.6KB)
pykal_core-0.1.tar.gz (1.8KB)