You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
sc-concurrent-log-handler was reported malicious
OSV:MAL-2024-5963 - Malicious code in sc-concurrent-log-handler (PyPI)

sc-concurrent-log-handler
0.0.13

This version was deleted from PyPI around 2023-09-26. Installing fails with:
$ pip3 install sc-concurrent-log-handler==0.0.13 ERROR: Could not find a version that satisfies the requirement sc-concurrent-log-handler==0.0.13
View other deleted versions of sc-concurrent-log-handler

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/2023-09-25/ \ sc-concurrent-log-handler==0.0.13
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:
sc-concurrent-log-handler-0.0.13.tar.gz (4.1KB)