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

rateslib
1.3.0

This version was deleted from PyPI around 2025-06-23. Installing fails with:
$ pip3 install rateslib==1.3.0 ERROR: Could not find a version that satisfies the requirement rateslib==1.3.0
View other deleted versions of rateslib

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/2025-06-22/ \ rateslib==1.3.0
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:
rateslib-1.3.0-cp39-abi3-macosx_10_12_x86_64.whl (1.1MB)
rateslib-1.3.0-cp39-abi3-macosx_11_0_arm64.whl (1.1MB)
rateslib-1.3.0-cp39-abi3-win_amd64.whl (1,019.2KB)
rateslib-1.3.0.tar.gz (6.0MB)