code: def __init__(self, model):
      # sanity check.
      pass
  
      self.weights = dict()
      self.visited = set()
      super(CntkGraph, self).__init__(model)
  
file_path: MMdnn/mmdnn/conversion/cntk/cntk_graph.py
imports: import cntk
  from mmdnn.conversion.common.DataStructure.graph import GraphNode, Graph
label_desc: Use image node_id 1 to create a new CntkGraph object from inherited base classes: Graph with example: obj = CntkGraph(model)