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

fondat-core
3.0.12

This version was deleted from PyPI around 2025-07-05. Installing fails with:
$ pip3 install fondat-core==3.0.12 ERROR: Could not find a version that satisfies the requirement fondat-core==3.0.12
View other deleted versions of fondat-core

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/2025-07-04/ \ fondat-core==3.0.12
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Or, download files manually

And install manually via pip:
fondat_core-3.0.12-py3-none-any.whl (58.3KB)
fondat-core-3.0.12.tar.gz (50.1KB)