You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
eth-web3 was reported malicious
OSV:MAL-2025-921 - Malicious code in eth-web3 (PyPI)

eth-web3
6.0.1

This version was deleted from PyPI around 2025-01-07. Installing fails with:
$ pip3 install eth-web3==6.0.1 ERROR: Could not find a version that satisfies the requirement eth-web3==6.0.1

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/2025-01-06/ \ eth-web3==6.0.1
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: