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

riso-django-db-mailer

This package was deleted from PyPI around 2023-11-04. Installing fails with:
$ pip3 install riso-django-db-mailer ERROR: Could not find a version that satisfies the requirement riso-django-db-mailer (from versions: none) ERROR: No matching distribution found for riso-django-db-mailer

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/2023-11-03/ \ riso-django-db-mailer
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

Choose a version to see all deleted wheels and files. We only show versions that have been deleted on PyPI.
2.4.0
2.4.1
2.4.2