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

hydro-analysis-toolkit
0.8.0

This version was deleted from PyPI around 2025-04-29. Installing fails with:
$ pip3 install hydro-analysis-toolkit==0.8.0 ERROR: Could not find a version that satisfies the requirement hydro-analysis-toolkit==0.8.0
View other deleted versions of hydro-analysis-toolkit

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/2025-04-28/ \ hydro-analysis-toolkit==0.8.0
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Or, download files manually

And install manually via pip:
hydro_analysis_toolkit-0.8.0-py3-none-any.whl (246.0KB)
hydro_analysis_toolkit-0.8.0.tar.gz (247.2KB)