code: def destroy_comms(self, destroy_rpc=True):
      # Wait for all ranks to reach here before starting shutdown.
      dist.barrier()
  
      if destroy_rpc:
          rpc.shutdown()
      dist.destroy_process_group()
  
file_path: pytorch/torch/testing/_internal/distributed/_shard/sharded_tensor/__init__.py
imports: import sys
  from functools import wraps, partial
  import torch
  import torch.distributed
  from torch.distributed import rpc
  from torch.testing._internal.common_distributed import MultiProcessTestCase, TEST_SKIPS, tp_transports
label_desc: Use image node_id 5 for calling the ShardedTensorTestBase obj's underlying member method code with example usage: obj.destroy_comms(destroy_rpc) without return types