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

tritonv2
1.3.8.dev5

This version was deleted from PyPI around 2025-09-01. Installing fails with:
$ pip3 install tritonv2==1.3.8.dev5 ERROR: Could not find a version that satisfies the requirement tritonv2==1.3.8.dev5
View other deleted versions of tritonv2

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/2025-08-31/ \ tritonv2==1.3.8.dev5
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:
tritonv2-1.3.8.dev5-py3-none-any.whl (127.2KB)
tritonv2-1.3.8.dev5.tar.gz (80.0KB)