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

mb-base1
0.3.1

This version was deleted from PyPI around 2024-07-16. Installing fails with:
$ pip3 install mb-base1==0.3.1 ERROR: Could not find a version that satisfies the requirement mb-base1==0.3.1
View other deleted versions of mb-base1

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/2024-07-15/ \ mb-base1==0.3.1
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Or, download files manually

And install manually via pip:
mb_base1-0.3.1-py3-none-any.whl (74.4KB)
mb-base1-0.3.1.tar.gz (65.4KB)