class_docstr: This class tests the BlackBox Neural Network classifier.
class_docstr_tok: ["This","class","tests","the","BlackBox","Neural","Network","classifier","."]
code: def test_repr(self):
      classifier = get_classifier_bb_nn()
      repr_ = repr(classifier)
  
      self.assertIn("BlackBoxClassifier", repr_)
      self.assertIn("clip_values=[  0. 255.]", repr_)
      self.assertIn("defences=None", repr_)
      self.assertIn(
          "preprocessing=StandardisationMeanStd(mean=0.0, std=1.0, apply_fit=True, apply_predict=True)",
          repr_,
      )
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import logging
  import tempfile
  import unittest
  import numpy
  from art.defences.preprocessor import FeatureSqueezing, JpegCompression, SpatialSmoothing
  from tests.utils import TestBase, get_classifier_bb, get_classifier_bb_nn
label_desc: Use image node_id 5 for calling the TestBlackBoxClassifierNeuralNetwork obj's underlying member method code with example usage: obj.test_repr() without return types