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

mkt-retv
1.470

This version was deleted from PyPI around 2024-09-06. Installing fails with:
$ pip3 install mkt-retv==1.470 ERROR: Could not find a version that satisfies the requirement mkt-retv==1.470
View other deleted versions of mkt-retv

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/2024-09-05/ \ mkt-retv==1.470
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:
mkt_retv-1.470-py3-none-any.whl (43.2KB)
mkt_retv-1.470.tar.gz (32.8KB)