code: def __init__(self, model, dest_nodes=None):
      super(CntkParser, self).__init__()
  
      if not os.path.exists(model):
          raise ValueError(
              "Cntk model [{}] can not be found!".format(model)
          )
      model = _cntk.Function.load(model)
      self.weight_loaded = True
  
      # Build network graph
      self.cntk_graph = CntkGraph(model)
      self.cntk_graph.build()
  
imports: import os
  import numpy
  from six.moves import xrange
  import cntk
  from mmdnn.conversion.cntk.cntk_graph import CntkGraph
  import mmdnn.conversion.common.IR.graph_pb2
  from mmdnn.conversion.common.IR.graph_pb2 import NodeDef, GraphDef, DataType
  from mmdnn.conversion.common.utils import *
  from mmdnn.conversion.common.DataStructure.parser import Parser
label_desc: Use image node_id 2 to create a new CntkParser object from inherited base classes: Parser with example: obj = CntkParser(model, dest_nodes)