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

wsffn
0.0.1a1

This version was deleted from PyPI around 2026-10-09. Installing fails with:
$ pip3 install wsffn==0.0.1a1 ERROR: Could not find a version that satisfies the requirement wsffn==0.0.1a1
View other deleted versions of wsffn

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/2026-10-08/ \ wsffn==0.0.1a1
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:
wsffn-0.0.1a1-py3-none-any.whl (7.5KB)
wsffn-0.0.1a1.tar.gz (8.8KB)