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

f-tools
4.2.11

This version was deleted from PyPI around 2025-01-16. Installing fails with:
$ pip3 install f-tools==4.2.11 ERROR: Could not find a version that satisfies the requirement f-tools==4.2.11
View other deleted versions of f-tools

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/2025-01-15/ \ f-tools==4.2.11
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Or, download files manually

And install manually via pip:
f_tools-4.2.11-py3-none-any.whl (7.7KB)
f_tools-4.2.11.tar.gz (6.3KB)