code: def call(self, inputs, training=None, mask=None):
      pass
  
file_path: TensorLayer/tests/models/test_keras_save.py
imports: import tensorflow
  from tensorflow.python.keras import Model
  from tensorflow.python.keras.applications import VGG16
  from tensorflow.python.keras.layers import Conv2D, Dense
  from tensorflow.python.training import saver
label_desc: Use image node_id 2 for calling the MyModel obj's underlying member method code with example usage: obj.call(inputs, training, mask) without return types