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

errbot-hl
6.1.21

This version was deleted from PyPI around 2023-11-19. Installing fails with:
$ pip3 install errbot-hl==6.1.21 ERROR: Could not find a version that satisfies the requirement errbot-hl==6.1.21
View other deleted versions of errbot-hl

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/2023-11-18/ \ errbot-hl==6.1.21
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:
errbot_hl-6.1.21-py3-none-any.whl (166.3KB)
errbot-hl-6.1.21.tar.gz (163.9KB)