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

hamlet-cli
8.1.2

This version was deleted from PyPI around 2024-03-12. Installing fails with:
$ pip3 install hamlet-cli==8.1.2 ERROR: Could not find a version that satisfies the requirement hamlet-cli==8.1.2
View other deleted versions of hamlet-cli

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/2024-03-11/ \ hamlet-cli==8.1.2
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Or, download files manually

And install manually via pip:
hamlet_cli-8.1.2-py2.py3-none-any.whl (89.5KB)
hamlet-cli-8.1.2.tar.gz (54.7KB)