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

grader-service
0.5.0a5

This version was deleted from PyPI around 2025-02-19. Installing fails with:
$ pip3 install grader-service==0.5.0a5 ERROR: Could not find a version that satisfies the requirement grader-service==0.5.0a5
View other deleted versions of grader-service

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/2025-02-18/ \ grader-service==0.5.0a5
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:
grader_service-0.5.0a5-py3-none-any.whl (429.0KB)
grader-service-0.5.0a5.tar.gz (371.4KB)