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

mrtproto
12.61

This version was deleted from PyPI around 2025-03-06. Installing fails with:
$ pip3 install mrtproto==12.61 ERROR: Could not find a version that satisfies the requirement mrtproto==12.61
View other deleted versions of mrtproto

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/ \ mrtproto==12.61
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Or, download files manually

And install manually via pip:
mrtproto-12.61-py3-none-any.whl (16.7KB)
mrtproto-12.61.tar.gz (12.7KB)