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

specmatic
0.24.0

This version was deleted from PyPI around 2025-03-08. Installing fails with:
$ pip3 install specmatic==0.24.0 ERROR: Could not find a version that satisfies the requirement specmatic==0.24.0
View other deleted versions of specmatic

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/2025-03-07/ \ specmatic==0.24.0
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Or, download files manually

And install manually via pip:
specmatic-0.24.0-py3-none-any.whl (53.4MB)
specmatic-0.24.0.tar.gz (53.3MB)