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

diffpy.utils
3.4.1

This version was deleted from PyPI around 2024-09-18. Installing fails with:
$ pip3 install diffpy.utils==3.4.1 ERROR: Could not find a version that satisfies the requirement diffpy.utils==3.4.1
View other deleted versions of diffpy.utils

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/2024-09-17/ \ diffpy.utils==3.4.1
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:
diffpy_utils-3.4.1.tar.gz (90.7KB)
diffpy.utils-3.4.1-py3-none-any.whl (24.8KB)