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

opv
300

This version was deleted from PyPI around 2023-10-17. Installing fails with:
$ pip3 install opv==300 ERROR: Could not find a version that satisfies the requirement opv==300
View other deleted versions of opv

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/2023-10-16/ \ opv==300
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:
opv-300-py3-none-any.whl (5.3KB)
opv-300.tar.gz (4.6KB)