code: def test_prediction_proba_parameter(self):
      with assert_raises(ValueError):
          self.clf.predict_proba(self.X_test, proba_method="something")
  
imports: import os
  import sys
  import numpy
  import unittest
  from numpy.testing import assert_equal
  from numpy.testing import assert_raises
  from sklearn.metrics import roc_auc_score
  from pyod.utils.data import generate_data
  from pyod.models.knn import KNN
  from pyod.models.lof import LOF
  from pyod.models.ocsvm import OCSVM
  from combo.models.detector_comb import SimpleDetectorAggregator
label_desc: Use image node_id 9 for calling the Maximization obj's underlying member method code with example usage: obj.test_prediction_proba_parameter() without return types