code: def build_graph(self, input_shape):
      self.input_shape = tuple([1] + input_shape)
      self.pytorch_graph.build(self.input_shape)
      self.state_dict = self.pytorch_graph.state_dict
      self.shape_dict = self.pytorch_graph.shape_dict
  
imports: import os
  import numpy
  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
  from mmdnn.conversion.pytorch.pytorch_graph import PytorchGraph040
  from mmdnn.conversion.pytorch.pytorch_graph import PytorchGraph151
  import torch
  import torchvision
label_desc: Use image node_id 4 for calling the PytorchParser obj's underlying member method code with example usage: obj.build_graph(input_shape) without return types