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

upathlib
0.6.3.post1

This version was deleted from PyPI around 2024-09-30. Installing fails with:
$ pip3 install upathlib==0.6.3.post1 ERROR: Could not find a version that satisfies the requirement upathlib==0.6.3.post1
View other deleted versions of upathlib

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/2024-09-29/ \ upathlib==0.6.3.post1
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
upathlib-0.6.3.post1-py3-none-any.whl (403.9KB)
upathlib-0.6.3.post1.tar.gz (308.1KB)