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

slangpy
0.38.0

This version was deleted from PyPI around 2025-11-26. Installing fails with:
$ pip3 install slangpy==0.38.0 ERROR: Could not find a version that satisfies the requirement slangpy==0.38.0
View other deleted versions of slangpy

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/2025-11-25/ \ slangpy==0.38.0
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:
slangpy-0.38.0-cp310-cp310-macosx_15_0_arm64.whl (32.4MB)
slangpy-0.38.0-cp310-cp310-manylinux_2_34_x86_64.whl (72.5MB)
slangpy-0.38.0-cp310-cp310-win_amd64.whl (69.2MB)
slangpy-0.38.0-cp311-cp311-macosx_15_0_arm64.whl (32.4MB)