code: def world_size(self) -> int:
      return 6
  
file_path: pytorch/test/distributed/_tensor/test_view_ops.py
imports: import itertools
  from typing import cast, List
  import torch
  import torch.distributed
  from torch import rand, randn, Tensor
  from torch.distributed._tensor import DeviceMesh, distribute_tensor, Replicate, Shard
  from torch.distributed._tensor.debug import CommDebugMode
  from torch.distributed._tensor.ops.view_ops import Broadcast, Flatten, InputDim, ops, Repeat, Singleton, Split, view_groups
  from torch.distributed._tensor.placement_types import Placement
  from torch.testing._internal.common_utils import run_tests
  from torch.testing._internal.distributed._tensor.common_dtensor import DTensorTestBase, with_comms
  from torch.utils import _pytree
label_desc: Use image node_id 2 for calling the TestViewOps obj's underlying member method code with example usage: obj.world_size() and returns: int