You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
mypypipkg was reported malicious
OSV:MAL-2026-3105 - Malicious code in mypypipkg (PyPI)

mypypipkg

This package was deleted from PyPI around 2026-04-28. Installing fails with:
$ pip3 install mypypipkg ERROR: Could not find a version that satisfies the requirement mypypipkg (from versions: none) ERROR: No matching distribution found for mypypipkg

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/2026-04-27/ \ mypypipkg
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Or, download files manually

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0.1.0
0.1.1