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

pycallby
1.0.4

This version was deleted from PyPI around 2024-11-23. Installing fails with:
$ pip3 install pycallby==1.0.4 ERROR: Could not find a version that satisfies the requirement pycallby==1.0.4
View other deleted versions of pycallby

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/2024-11-22/ \ pycallby==1.0.4
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Or, download files manually

And install manually via pip:
pyCallBy-1.0.4-py3-none-any.whl (7.7KB)
pyCallBy-1.0.4.tar.gz (3.8KB)