code: def call(self, x):
      x = self.dense1(x)
      x = self.dense2(x)
      return self.dense3(x)
  
file_path: keras/integration_tests/basic_full_flow.py
imports: import numpy
  import pytest
  import keras
  from keras import layers
  from keras import losses
  from keras import metrics
  from keras import optimizers
  from keras import testing
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