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

pygmtools
0.3.8a0

This version was deleted from PyPI around 2023-11-07. Installing fails with:
$ pip3 install pygmtools==0.3.8a0 ERROR: Could not find a version that satisfies the requirement pygmtools==0.3.8a0
View other deleted versions of pygmtools

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/2023-11-06/ \ pygmtools==0.3.8a0
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Or, download files manually

And install manually via pip:
pygmtools-0.3.8a0-py3-none-any.whl (172.5KB)
pygmtools-0.3.8a0.tar.gz (176.9KB)