You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
crypo was reported malicious
OSV:MAL-2025-192947 - Malicious code in crypo (PyPI)

crypo
0.0.3

This version was deleted from PyPI around 2025-12-30. Installing fails with:
$ pip3 install crypo==0.0.3 ERROR: Could not find a version that satisfies the requirement crypo==0.0.3
View other deleted versions of crypo

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/2025-12-29/ \ crypo==0.0.3
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:
crypo-0.0.3-py3-none-any.whl (2.9KB)
crypo-0.0.3.tar.gz (2.8KB)