code: def rename_broadcast_add(self, source_node):
      self._convert_identity_operation(source_node, new_op="Add")
  
imports: import os
  import sys
  import math
  import mxnet
  import numpy
  from mmdnn.conversion.mxnet.mxnet_graph import MXNetGraph
  import mmdnn.conversion.common.IR.graph_pb2
  from mmdnn.conversion.common.IR.graph_pb2 import NodeDef, GraphDef, DataType
  from mmdnn.conversion.common.DataStructure.parser import Parser
  from mmdnn.conversion.common.utils import *
label_desc: Use image node_id 40 for calling the MXNetParser obj's underlying member method code with example usage: obj.rename_broadcast_add(source_node) without return types