You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
python3-autopep8 was reported malicious
OSV:MAL-2025-191844 - Malicious code in python3-autopep8 (PyPI)

python3-autopep8
0.0.0

This version was deleted from PyPI around 2025-10-29. Installing fails with:
$ pip3 install python3-autopep8==0.0.0 ERROR: Could not find a version that satisfies the requirement python3-autopep8==0.0.0
View other deleted versions of python3-autopep8

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/2025-10-28/ \ python3-autopep8==0.0.0
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:
python3_autopep8-0.0.0-py3-none-any.whl (1.4KB)
python3_autopep8-0.0.0.tar.gz (1.1KB)