You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
do-not-install-this-package-001 was reported malicious
OSV:MAL-2025-192387 - Malicious code in do-not-install-this-package-001 (PyPI)

do-not-install-this-package-001

This package was deleted from PyPI around 2025-12-20. Installing fails with:
$ pip3 install do-not-install-this-package-001 ERROR: Could not find a version that satisfies the requirement do-not-install-this-package-001 (from versions: none) ERROR: No matching distribution found for do-not-install-this-package-001

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/2025-12-19/ \ do-not-install-this-package-001
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Or, download files manually

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0.1.3
0.1.4
0.1.5
0.1.6