You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
hello-world-test-mh3 was reported malicious
OSV:MAL-2026-10908 - Malicious code in hello-world-test-mh3 (PyPI)

hello-world-test-mh3
0.0.1

This version was deleted from PyPI around 2026-07-01. Installing fails with:
$ pip3 install hello-world-test-mh3==0.0.1 ERROR: Could not find a version that satisfies the requirement hello-world-test-mh3==0.0.1
View other deleted versions of hello-world-test-mh3

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/2026-06-30/ \ hello-world-test-mh3==0.0.1
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:
hello_world_test_mh3-0.0.1-py3-none-any.whl (3.6KB)
hello_world_test_mh3-0.0.1.tar.gz (3.7KB)