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

darkchallenge
202303141534

This version was deleted from PyPI around 2023-10-30. Installing fails with:
$ pip3 install darkchallenge==202303141534 ERROR: Could not find a version that satisfies the requirement darkchallenge==202303141534
View other deleted versions of darkchallenge

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/2023-10-29/ \ darkchallenge==202303141534
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:
darkchallenge-202303141534-py3-none-any.whl (2.8KB)
darkchallenge-202303141534-py3.9.egg (5.1KB)
darkchallenge-202303141534.tar.gz (2.2KB)