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

open-mpic-core
4.6.0b4

This version was deleted from PyPI around 2025-01-31. Installing fails with:
$ pip3 install open-mpic-core==4.6.0b4 ERROR: Could not find a version that satisfies the requirement open-mpic-core==4.6.0b4
View other deleted versions of open-mpic-core

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/2025-01-30/ \ open-mpic-core==4.6.0b4
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Or, download files manually

And install manually via pip:
open_mpic_core-4.6.0b4-py3-none-any.whl (31.5KB)
open_mpic_core-4.6.0b4.tar.gz (42.2KB)