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

langsight
0.5.6

This version was deleted from PyPI around 2026-06-15. Installing fails with:
$ pip3 install langsight==0.5.6 ERROR: Could not find a version that satisfies the requirement langsight==0.5.6
View other deleted versions of langsight

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/2026-06-14/ \ langsight==0.5.6
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:
langsight-0.5.6-py3-none-any.whl (214.9KB)
langsight-0.5.6.tar.gz (1.6MB)