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

composo
0.1.12

This version was deleted from PyPI around 2023-11-12. Installing fails with:
$ pip3 install composo==0.1.12 ERROR: Could not find a version that satisfies the requirement composo==0.1.12
View other deleted versions of composo

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/2023-11-11/ \ composo==0.1.12
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:
composo-0.1.12-py3-none-any.whl (7.7KB)
composo-0.1.12.tar.gz (7.2KB)