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

foscat
3.0.12

This version was deleted from PyPI around 2024-05-02. Installing fails with:
$ pip3 install foscat==3.0.12 ERROR: Could not find a version that satisfies the requirement foscat==3.0.12
View other deleted versions of foscat

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/2024-05-01/ \ foscat==3.0.12
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Or, download files manually

And install manually via pip:
foscat-3.0.12-py3-none-any.whl (62.8KB)
foscat-3.0.12.tar.gz (59.1KB)