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

scia
1.100.31

This version was deleted from PyPI around 2025-05-13. Installing fails with:
$ pip3 install scia==1.100.31 ERROR: Could not find a version that satisfies the requirement scia==1.100.31
View other deleted versions of scia

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/2025-05-12/ \ scia==1.100.31
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:
scia-1.100.31-py3-none-any.whl (36.5KB)
scia-1.100.31.tar.gz (2.2MB)