code: def __call__(self, x):
      x = self.conv1(x)
      x = self.flatten(x)
      x = self.d1(x)
      return self.d2(x)
  
file_path: BentoML/examples/tensorflow2_native/train.py
imports: import tensorflow
  from tensorflow.keras.layers import Conv2D
  from tensorflow.keras.layers import Dense
  from tensorflow.keras.layers import Flatten
  import bentoml
label_desc: Use image node_id 2 for calling the MyModel obj's underlying member method code with example usage: obj.__call__(x) and returns: self