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

anyon
4.0.0

This version was deleted from PyPI around 2024-01-10. Installing fails with:
$ pip3 install anyon==4.0.0 ERROR: Could not find a version that satisfies the requirement anyon==4.0.0
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/2024-01-09/ \ anyon==4.0.0
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-4.0.0-cp310-none-manylinux2014_x86_64.whl (2.5MB)
anyon-4.0.0-cp310-none-win_amd64.whl (452.5KB)
anyon-4.0.0-cp311-none-manylinux2014_x86_64.whl (2.7MB)
anyon-4.0.0-cp311-none-win_amd64.whl (452.5KB)
anyon-4.0.0-cp312-none-manylinux2014_x86_64.whl (2.8MB)
anyon-4.0.0-cp312-none-win_amd64.whl (452.5KB)