You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

simo
3.1.6

This version was deleted from PyPI around 2026-05-01. Installing fails with:
$ pip3 install simo==3.1.6 ERROR: Could not find a version that satisfies the requirement simo==3.1.6
View other deleted versions of simo

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/2026-04-30/ \ simo==3.1.6
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:
simo-3.1.6-py3-none-any.whl (84.8MB)
simo-3.1.6.tar.gz (79.9MB)