def METHOD_NAME(storage_id: str) -> None:
    """Search s3 directly to ensure that a checkpoint is actually deleted."""
    storage_prefix = live_manager.get_storage_prefix(storage_id)
    found = [obj.key for obj in live_manager.bucket.objects.filter(Prefix=storage_prefix)]
    if found:
        file_list = "    " + "\n    ".join(found)
        raise ValueError(f"found {len(found)} files in bucket after delete:\n{file_list}")