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

hmt
0.3.1

This version was deleted from PyPI around 2023-10-06. Installing fails with:
$ pip3 install hmt==0.3.1 ERROR: Could not find a version that satisfies the requirement hmt==0.3.1
View other deleted versions of hmt

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/2023-10-05/ \ hmt==0.3.1
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:
hmt-0.3.1-py2.py3-none-any.whl (125.9KB)
hmt-0.3.1.tar.gz (62.7KB)