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

anyon
4.7.3

This version was deleted from PyPI around 2025-07-16. Installing fails with:
$ pip3 install anyon==4.7.3 ERROR: Could not find a version that satisfies the requirement anyon==4.7.3
View other deleted versions of anyon

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/2025-07-15/ \ anyon==4.7.3
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
anyon-4.7.3-cp312-none-macosx_10_9_universal2.whl (1.1MB)
anyon-4.7.3-cp312-none-manylinux2014_x86_64.whl (3.3MB)
anyon-4.7.3-cp312-none-win_amd64.whl (487.6KB)
anyon-4.7.3-cp313-none-macosx_10_13_universal2.whl (1.1MB)
anyon-4.7.3-cp313-none-manylinux2014_x86_64.whl (3.3MB)
anyon-4.7.3-cp313-none-win_amd64.whl (485.4KB)