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

colbert-ir
0.2.6

This version was deleted from PyPI around 2023-10-26. Installing fails with:
$ pip3 install colbert-ir==0.2.6 ERROR: Could not find a version that satisfies the requirement colbert-ir==0.2.6
View other deleted versions of colbert-ir

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/2023-10-25/ \ colbert-ir==0.2.6
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:
colbert_ir-0.2.6-py3-none-any.whl (103.0KB)
colbert-ir-0.2.6.tar.gz (76.8KB)