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

graspit
0.8.1

This version was deleted from PyPI around 2024-03-29. Installing fails with:
$ pip3 install graspit==0.8.1 ERROR: Could not find a version that satisfies the requirement graspit==0.8.1
View other deleted versions of graspit

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/2024-03-28/ \ graspit==0.8.1
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:
graspit-0.8.1-py3-none-any.whl (24.7KB)
graspit-0.8.1.tar.gz (15.3KB)