class_docstr: Graph Def summary 
class_docstr_tok: ["Graph","Def","summary"]
code: def graph(self):
      return self.graph_def
  
file_path: delta/gcompiler/python/delta_infer/subgraphs/common/summarize_graph.py
imports: from __future__ import absolute_import, division, print_function
  import tensorflow
  import os
  import sys
  import numpy
  from tensorflow.compat.v1 import GraphDef
label_desc: Use image node_id 2 for calling the GraphSummary obj's underlying member method code with example usage: obj.graph() and returns: self