code: def rename_Flatten(self, source_node):
      IR_node = self.IR_graph.node.add()
  
      # name, op
      CoremlParser._copy_and_reop(source_node, IR_node, "Flatten")
  
      # input edge
      self.convert_inedge(source_node, IR_node)
  
imports: import os
  from six import string_types
  import numpy
  import math
  from coremltools.models.neural_network import NeuralNetworkBuilder
  from coremltools.models import datatypes
  from coremltools.models import MLModel
  from coremltools.models.utils import save_spec
  from coremltools.models._infer_shapes_nn_mlmodel import infer_shapes
  from coremltools.proto import Model_pb2, NeuralNetwork_pb2
  from mmdnn.conversion.coreml.coreml_graph import CoremlGraph
  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 24 for calling the CoremlParser obj's underlying member method code with example usage: obj.rename_Flatten(source_node) without return types