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

mutwo.ext-abjad

This package was deleted from PyPI around 2024-02-25. Installing fails with:
$ pip3 install mutwo.ext-abjad ERROR: Could not find a version that satisfies the requirement mutwo.ext-abjad (from versions: none) ERROR: No matching distribution found for mutwo.ext-abjad

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/2024-02-24/ \ mutwo.ext-abjad
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Or, download files manually

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