class_docstr: Tests correctness of the Permute bijector.
class_docstr_tok: ["Tests","correctness","of","the","Permute","bijector","."]
code: def setUp(self):
      self._rng = np.random.RandomState(42)
  
file_path: probability/tensorflow_probability/python/bijectors/permute_test.py
imports: import numpy
  import tensorflow.compat.v1
  import tensorflow.compat.v2
  from tensorflow_probability.python.bijectors import bijector_test_util
  from tensorflow_probability.python.bijectors import permute
  from tensorflow_probability.python.internal import test_util
  from tensorflow_probability.python.internal import tf_keras
label_desc: Use image node_id 2 for calling the PermuteBijectorTest obj's underlying member method code with example usage: obj.setUp() without return types