code: def test_settings(test_settings) -> None:
      world_size = 2
      temp_file_name = tempfile.mkstemp()[1]
  
      print(
          "Testing ",
          test_settings["test_function"],
          " with settings ",
          test_settings["test_name"],
      )
      spawn_for_all_world_sizes(
          test_settings["test_function"],
          world_sizes=[world_size],
          args=(test_settings["slowmo_settings"],),
          deterministic=True,
      )
  
imports: import copy
  import os
  import tempfile
  from typing import Any, Dict, List, Tuple, Type
  import unittest
  import pytest
  import torch
  from torch import nn
  import torch.distributed
  import torch.nn.functional
  import fairscale.experimental.nn.data_parallel.gossip
  from fairscale.fair_dev.testing.testing import skip_if_single_gpu, spawn_for_all_world_sizes
label_desc: Use image node_id 10 for calling a global function with example usage: test_settings(test_settings) without return types