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

addend
1.15

This version was deleted from PyPI around 2023-11-27. Installing fails with:
$ pip3 install addend==1.15 ERROR: Could not find a version that satisfies the requirement addend==1.15
View other deleted versions of addend

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/2023-11-26/ \ addend==1.15
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:
addend-1.15-py3-none-any.whl (11.8KB)
addend-1.15.tar.gz (12.3KB)