You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
update-request was reported malicious
OSV:MAL-2024-6177 - Malicious code in update-request (PyPI)

update-request
0.0.1

This version was deleted from PyPI around 2024-02-06. Installing fails with:
$ pip3 install update-request==0.0.1 ERROR: Could not find a version that satisfies the requirement update-request==0.0.1

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/2024-02-05/ \ update-request==0.0.1
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: