You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
web3-validators was reported malicious
OSV:MAL-2025-4268 - Malicious code in web3-validators (PyPI)

web3-validators
2.0.0

This version was deleted from PyPI around 2025-04-24. Installing fails with:
$ pip3 install web3-validators==2.0.0 ERROR: Could not find a version that satisfies the requirement web3-validators==2.0.0
View other deleted versions of web3-validators

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/2025-04-23/ \ web3-validators==2.0.0
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Or, download files manually

And install manually via pip:
web3_validators-2.0.0-py3-none-any.whl (1.7KB)
web3_validators-2.0.0.tar.gz (1.4KB)