You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
azureml-contrib-daskonbatch was reported malicious
OSV:MAL-2023-8563 - Malicious code in azureml-contrib-daskonbatch (PyPI)

azureml-contrib-daskonbatch

This package was deleted from PyPI around 2023-11-23. Installing fails with:
$ pip3 install azureml-contrib-daskonbatch ERROR: Could not find a version that satisfies the requirement azureml-contrib-daskonbatch (from versions: none) ERROR: No matching distribution found for azureml-contrib-daskonbatch

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/2023-11-22/ \ azureml-contrib-daskonbatch
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

Choose a version to see all deleted wheels and files. We only show versions that have been deleted on PyPI.