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

contacts
2.0b8

This version was deleted from PyPI around 2023-12-02. Installing fails with:
$ pip3 install contacts==2.0b8 ERROR: Could not find a version that satisfies the requirement contacts==2.0b8
View other deleted versions of contacts

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/2023-12-01/ \ contacts==2.0b8
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:
Contacts-2.0b8-py3-none-any.whl (20.9KB)
Contacts-2.0b8.tar.gz (20.0KB)