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

lenlab
8.0b3

This version was deleted from PyPI around 2025-01-30. Installing fails with:
$ pip3 install lenlab==8.0b3 ERROR: Could not find a version that satisfies the requirement lenlab==8.0b3
View other deleted versions of lenlab

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/2025-01-29/ \ lenlab==8.0b3
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
lenlab-8.0b3-py3-none-any.whl (25.1KB)
lenlab-8.0b3.tar.gz (35.7KB)