You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
mecit2 was reported malicious
OSV:MAL-2024-10043 - Malicious code in mecit2 (PyPI)

mecit2
1.0.0

This version was deleted from PyPI around 2024-09-17. Installing fails with:
$ pip3 install mecit2==1.0.0 ERROR: Could not find a version that satisfies the requirement mecit2==1.0.0
View other deleted versions of mecit2

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/2024-09-16/ \ mecit2==1.0.0
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Or, download files manually

And install manually via pip:
mecit2-1.0.0.tar.gz (1.4KB)