code: def process_group(self):
      return dist.group.WORLD
  
imports: import os
  import sys
  from functools import wraps, partial
  import torch
  import torch.distributed
  from torch.testing._internal.common_distributed import MultiProcessTestCase, TEST_SKIPS
  from torch.testing._internal.common_utils import run_tests, TEST_WITH_DEV_DBG_ASAN
label_desc: Use image node_id 4 for calling the TestObjectCollectives obj's underlying member method code with example usage: obj.process_group() and returns: dist