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

l0n0ltcp
1.2.12

This version was deleted from PyPI around 2025-10-05. Installing fails with:
$ pip3 install l0n0ltcp==1.2.12 ERROR: Could not find a version that satisfies the requirement l0n0ltcp==1.2.12
View other deleted versions of l0n0ltcp

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/2025-10-04/ \ l0n0ltcp==1.2.12
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Or, download files manually

And install manually via pip:
l0n0ltcp-1.2.12-py3-none-any.whl (14.5KB)
l0n0ltcp-1.2.12.tar.gz (11.9KB)