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

unit-identification
3.1

This version was deleted from PyPI around 2024-07-02. Installing fails with:
$ pip3 install unit-identification==3.1 ERROR: Could not find a version that satisfies the requirement unit-identification==3.1
View other deleted versions of unit-identification

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/2024-07-01/ \ unit-identification==3.1
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Or, download files manually

And install manually via pip:
unit_identification-3.1.tar.gz (10.2MB)