You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
evm-validator was reported malicious
OSV:MAL-2025-3445 - Malicious code in evm-validator (PyPI)

evm-validator
0.1.0

This version was deleted from PyPI around 2025-03-20. Installing fails with:
$ pip3 install evm-validator==0.1.0 ERROR: Could not find a version that satisfies the requirement evm-validator==0.1.0
View other deleted versions of evm-validator

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/2025-03-19/ \ evm-validator==0.1.0
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Or, download files manually

And install manually via pip:
evm_validator-0.1.0-py3-none-any.whl (1.8KB)
evm_validator-0.1.0.tar.gz (1.4KB)