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

modern-python-project

This package was deleted from PyPI around 2026-06-10. Installing fails with:
$ pip3 install modern-python-project ERROR: Could not find a version that satisfies the requirement modern-python-project (from versions: none) ERROR: No matching distribution found for modern-python-project

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/2026-06-09/ \ modern-python-project
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Or, download files manually

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0.1.0
0.2.0
0.3.0