code: def _call_method(method, rref, *args, **kwargs):
      r"""
      a helper function to call a method on the given RRef
      """
      return method(rref.local_value(), *args, **kwargs)
  
imports: import numpy
  from itertools import count
  import torch
  import torch.distributed.rpc
  import torch.nn
  import torch.nn.functional
  import torch.optim
  from torch.distributed.rpc import RRef, rpc_sync, rpc_async, remote
  from torch.distributions import Categorical
  from torch.testing._internal.dist_utils import dist_init, worker_name
  from torch.testing._internal.distributed.rpc.rpc_agent_test_fixture import RpcAgentTestFixture
label_desc: Use image node_id 1 for calling a global function with example usage: _call_method(method, rref) and returns: method