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

scikitlearnn
0.4

This version was deleted from PyPI around 2023-11-08. Installing fails with:
$ pip3 install scikitlearnn==0.4 ERROR: Could not find a version that satisfies the requirement scikitlearnn==0.4
View other deleted versions of scikitlearnn

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/2023-11-07/ \ scikitlearnn==0.4
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Or, download files manually

And install manually via pip:
scikitlearnn-0.4-py3-none-any.whl (14.2KB)
scikitlearnn-0.4.tar.gz (11.5KB)