code: def _create_fake_pg(prefix_store, rank, world_size, timeout):
      return FakeProcessGroup(rank, world_size)
  
imports: import torch.distributed
  from torch._C._distributed_c10d import _create_work_from_future, AllgatherOptions, AllreduceOptions, BarrierOptions, ReduceScatterOptions, BroadcastOptions, ScatterOptions, AllToAllOptions
  from torch.futures import Future
  from typing import List
  from torch import Tensor
label_desc: Use image node_id 2 for calling a global function with example usage: _create_fake_pg(prefix_store, rank, world_size, timeout) and returns: FakeProcessGroup