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

caterpillar-mail
1.1.1

This version was deleted from PyPI around 2024-03-30. Installing fails with:
$ pip3 install caterpillar-mail==1.1.1 ERROR: Could not find a version that satisfies the requirement caterpillar-mail==1.1.1
View other deleted versions of caterpillar-mail

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/2024-03-29/ \ caterpillar-mail==1.1.1
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:
caterpillar_mail-1.1.1.tar.gz (10.5KB)