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

4pace
0.3.0a0

This version was deleted from PyPI around 2026-05-03. Installing fails with:
$ pip3 install 4pace==0.3.0a0 ERROR: Could not find a version that satisfies the requirement 4pace==0.3.0a0
View other deleted versions of 4pace

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/2026-05-02/ \ 4pace==0.3.0a0
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:
4pace-0.3.0a0-py3-none-any.whl (30.4KB)
4pace-0.3.0a0.tar.gz (29.2KB)