code: def __init__(self):
      self.read_counter = variables.Variable(0)
  
file_path: tensorflow/tensorflow/python/checkpoint/tensor_callable_test.py
imports: import os
  from tensorflow.python.checkpoint import checkpoint
  from tensorflow.python.checkpoint import tensor_callable
  from tensorflow.python.eager import test
  from tensorflow.python.ops import variables
  from tensorflow.python.saved_model import save
  from tensorflow.python.trackable import base
label_desc: Use image node_id 1 to create a new IncrementWhenSave object from inherited base classes: base with example: obj = IncrementWhenSave()