You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
boto3-batch-utils was reported malicious
OSV:MAL-2025-6467 - Malicious code in boto3-batch-utils (PyPI)

boto3-batch-utils

This package was deleted from PyPI around 2025-05-08. Installing fails with:
$ pip3 install boto3-batch-utils ERROR: Could not find a version that satisfies the requirement boto3-batch-utils (from versions: none) ERROR: No matching distribution found for boto3-batch-utils