code: def _get_operation_rpc(self):
          
          request_pb = operations_pb2.GetOperationRequest(name=self.name)
          return self.client._operations_stub.GetOperation(request_pb)
docs: Polls the status of the current operation.
  
          Uses gRPC request to check.
  
          :rtype: :class:`~google.longrunning.operations_pb2.Operation`
          :returns: The latest status of the current operation.