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

zbuild-tools
1.0.15

This version was deleted from PyPI around 2025-08-11. Installing fails with:
$ pip3 install zbuild-tools==1.0.15 ERROR: Could not find a version that satisfies the requirement zbuild-tools==1.0.15
View other deleted versions of zbuild-tools

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/2025-08-10/ \ zbuild-tools==1.0.15
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:
zbuild_tools-1.0.15-py3-none-any.whl (8.2KB)
zbuild_tools-1.0.15.tar.gz (8.1KB)