code: def _get_op_def(op):
      return op.op_def or op_def_registry.get(op.type)
  
file_path: tensorflow/tensorflow/python/framework/graph_to_function_def.py
imports: import re
  from tensorflow.core.framework import function_pb2
  from tensorflow.core.framework import op_def_pb2
  from tensorflow.python.framework import op_def_registry
label_desc: Use image node_id 5 for calling a global function with example usage: _get_op_def(op) and returns: unknown