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

polars-bio
0.13.0

This version was deleted from PyPI around 2026-07-06. Installing fails with:
$ pip3 install polars-bio==0.13.0 ERROR: Could not find a version that satisfies the requirement polars-bio==0.13.0

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/2026-07-05/ \ polars-bio==0.13.0
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