code: def call(self, x: np.ndarray) -> tf.Tensor:
      x = self.dense1(x)
      return self.dense2(x)
  
file_path: alibi-detect/alibi_detect/cd/tensorflow/tests/test_preprocess_tf.py
imports: import numpy
  import pytest
  import tensorflow
  from tensorflow.keras.layers import Dense, Input, InputLayer
  from alibi_detect.cd.tensorflow import UAE, HiddenOutput
label_desc: Use image node_id 2 for calling the Model1 obj's underlying member method code with example usage: obj.call(x) and returns: self