code: def backend_check_probabilities(pred, prob):
      assert prob.shape[1] == 1
      assert np.all(np.round(prob) == pred.astype(int))
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import logging
  import pytest
  import numpy
  import keras
  from art.attacks.inference.membership_inference.black_box import MembershipInferenceBlackBox
  from art.estimators.classification.keras import KerasClassifier
  from art.estimators.estimator import BaseEstimator
  from art.estimators.classification.classifier import ClassifierMixin
  from art.estimators.regression import ScikitlearnRegressor, RegressorMixin
  from tests.attacks.utils import backend_test_classifier_type_check_fail
  from tests.utils import ARTTestException
label_desc: Use image node_id 25 for calling a global function with example usage: backend_check_probabilities(pred, prob) without return types