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
0.1.4

This version was deleted from PyPI around 2025-12-20. Installing fails with:
$ pip3 install do-not-install-this-package-001==0.1.4 ERROR: Could not find a version that satisfies the requirement do-not-install-this-package-001==0.1.4
View other deleted versions of 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==0.1.4
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:
do_not_install_this_package_001-0.1.4.tar.gz (2.7KB)