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

seif-cli
0.4.1

This version was deleted from PyPI around 2026-05-17. Installing fails with:
$ pip3 install seif-cli==0.4.1 ERROR: Could not find a version that satisfies the requirement seif-cli==0.4.1
View other deleted versions of seif-cli

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/2026-05-16/ \ seif-cli==0.4.1
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:
seif_cli-0.4.1-py3-none-any.whl (244.2KB)
seif_cli-0.4.1.tar.gz (250.2KB)