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

pykdgrav
0.14.5

This version was deleted from PyPI around 2023-09-25. Installing fails with:
$ pip3 install pykdgrav==0.14.5 ERROR: Could not find a version that satisfies the requirement pykdgrav==0.14.5
View other deleted versions of pykdgrav

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/2023-09-24/ \ pykdgrav==0.14.5
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Or, download files manually

And install manually via pip:
pykdgrav-0.14.5-py3-none-any.whl (5.8KB)
pykdgrav-0.14.5.tar.gz (6.0KB)