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

hlpl-composer
1.1.0

This version was deleted from PyPI around 2023-11-30. Installing fails with:
$ pip3 install hlpl-composer==1.1.0 ERROR: Could not find a version that satisfies the requirement hlpl-composer==1.1.0
View other deleted versions of hlpl-composer

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/2023-11-29/ \ hlpl-composer==1.1.0
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:
hlpl_composer-1.1.0-py3-none-any.whl (11.6MB)
hlpl_composer-1.1.0-py3.8.egg (11.6MB)
hlpl_composer-1.1.0.tar.gz (11.2MB)