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

unionizer
1.5.3

This version was deleted from PyPI around 2024-07-04. Installing fails with:
$ pip3 install unionizer==1.5.3 ERROR: Could not find a version that satisfies the requirement unionizer==1.5.3
View other deleted versions of unionizer

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/2024-07-03/ \ unionizer==1.5.3
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Or, download files manually

And install manually via pip:
unionizer-1.5.3-py3-none-any.whl (5.4KB)
unionizer-1.5.3.tar.gz (4.6KB)