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

flowty
2.0a2

This version was deleted from PyPI around 2024-02-03. Installing fails with:
$ pip3 install flowty==2.0a2 ERROR: Could not find a version that satisfies the requirement flowty==2.0a2
View other deleted versions of flowty

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/2024-02-02/ \ flowty==2.0a2
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:
flowty-2.0a2-py39-none-win_amd64.whl (1.6MB)
flowty-2.0a2-py310-none-win_amd64.whl (1.7MB)
flowty-2.0a2-py311-none-win_amd64.whl (1.7MB)
flowty-2.0a2-py312-none-win_amd64.whl (1.7MB)