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

bflb-fw-post-proc
1.4.4

This version was deleted from PyPI around 2026-08-20. Installing fails with:
$ pip3 install bflb-fw-post-proc==1.4.4 ERROR: Could not find a version that satisfies the requirement bflb-fw-post-proc==1.4.4

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/2026-08-19/ \ bflb-fw-post-proc==1.4.4
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: