You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
time-service-checker was reported malicious
OSV:MAL-2025-191905 - Malicious code in time-service-checker (PyPI)

time-service-checker
0.0.1

This version was deleted from PyPI around 2025-03-06. Installing fails with:
$ pip3 install time-service-checker==0.0.1 ERROR: Could not find a version that satisfies the requirement time-service-checker==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/2025-03-05/ \ time-service-checker==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: