code: def setUp(self):
      super(ConditionalPixelCnnTest, self).setUp()
      self.h_shape = (5,)
  
imports: import numpy
  import tensorflow.compat.v2
  from tensorflow_probability.python.distributions import pixel_cnn
  from tensorflow_probability.python.internal import test_util
  from tensorflow_probability.python.internal import tf_keras
  from tensorflow_probability.python.math import gradient
label_desc: Use image node_id 1 for calling the ConditionalPixelCnnTest obj's underlying member method code with example usage: obj.setUp() without return types