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

gen-stm32
1.1.1

This version was deleted from PyPI around 2023-12-15. Installing fails with:
$ pip3 install gen-stm32==1.1.1 ERROR: Could not find a version that satisfies the requirement gen-stm32==1.1.1
View other deleted versions of gen-stm32

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/2023-12-14/ \ gen-stm32==1.1.1
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:
gen_stm32-1.1.1-py2-none-any.whl (365.2KB)
gen_stm32-1.1.1-py3-none-any.whl (365.2KB)
gen_stm32-1.1.1.tar.gz (274.3KB)