code: def src_graph(self):
      return self.dk_graph
  
imports: import os
  import numpy
  from mmdnn.conversion.common.utils import *
  from mmdnn.conversion.darknet.prototxt import *
  from mmdnn.conversion.darknet.darknet_utils import *
  from mmdnn.conversion.darknet.darknet_graph import DarknetGraph
  import mmdnn.conversion.common.IR.graph_pb2
  from mmdnn.conversion.common.DataStructure.parser import Parser
  from mmdnn.conversion.common.IR.graph_pb2 import NodeDef, GraphDef, DataType
label_desc: Use image node_id 1 for calling the DarknetParser obj's underlying member method code with example usage: obj.src_graph() and returns: self