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

coastseg
0.0.44

This version was deleted from PyPI around 2023-12-19. Installing fails with:
$ pip3 install coastseg==0.0.44 ERROR: Could not find a version that satisfies the requirement coastseg==0.0.44
View other deleted versions of coastseg

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/2023-12-18/ \ coastseg==0.0.44
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Or, download files manually

And install manually via pip:
coastseg-0.0.44-py3-none-any.whl (3.0MB)
coastseg-0.0.44.tar.gz (64.0MB)