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

ftbx
0.1.dev282

This version was deleted from PyPI around 2025-03-15. Installing fails with:
$ pip3 install ftbx==0.1.dev282 ERROR: Could not find a version that satisfies the requirement ftbx==0.1.dev282
View other deleted versions of ftbx

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/2025-03-14/ \ ftbx==0.1.dev282
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:
ftbx-0.1.dev282-py3-none-any.whl (50.6KB)
ftbx-0.1.dev282.tar.gz (198.5KB)