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

pytzen
0.9.18

This version was deleted from PyPI around 2024-02-23. Installing fails with:
$ pip3 install pytzen==0.9.18 ERROR: Could not find a version that satisfies the requirement pytzen==0.9.18
View other deleted versions of pytzen

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/2024-02-21/ \ pytzen==0.9.18
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Or, download files manually

And install manually via pip:
pytzen-0.9.18-py3-none-any.whl (5.5KB)
pytzen-0.9.18.tar.gz (4.0KB)