code: def setUp(self):
      import tensorflow as tf
  
      def dummy_model():
          input_shape = (100,)
          return Sequential(
              [
                  Dense(20, name="l1", input_shape=input_shape),
                  Dense(10, name="l2"),
                  Activation("softmax", name="softmax"),
              ]
          )
  
      self.sess = tf.Session()
      self.sess.as_default()
      self.model = dummy_model()
  
file_path: cleverhans/cleverhans_v3.1.0/tests_tf/test_utils_keras.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import unittest
  import numpy
  from tensorflow import keras
  from cleverhans.utils_keras import KerasModelWrapper
label_desc: Use image node_id 1 for calling the TestKerasModelWrapper obj's underlying member method code with example usage: obj.setUp() and returns: Sequential