code: def setUpClass(cls):
      master_seed(seed=1234, set_tensorflow=True)
      super().setUpClass()
  
      import tensorflow as tf
  
      tf.compat.v1.disable_eager_execution()
  
      cls.art_model = get_tabular_regressor_kr()
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import logging
  import unittest
  import numpy
  from art.estimators.regression.keras import KerasRegressor
  from tests.utils import TestBase, master_seed, get_tabular_regressor_kr
label_desc: Use image node_id 1 for calling the TestKerasRegressor obj's underlying member method code with example usage: obj.setUpClass(cls) without return types