code: def __init__(self, **kwargs):
      self.estimator = mock.MagicMock(spec=MultinomialNB())
  
      Wrapper.__init__(self, self.estimator)
      MockVisualizer.__init__(self, **kwargs)
  
imports: import pytest
  from unittest import mock
  from yellowbrick.base import Visualizer
  from yellowbrick.utils.wrapper import *
  from yellowbrick.exceptions import YellowbrickAttributeError, YellowbrickTypeError
  from sklearn.naive_bayes import MultinomialNB
  from sklearn.naive_bayes import GaussianNB
label_desc: Use image node_id 1 to create a new WrappedEstimator object from inherited base classes: MockVisualizer, Wrapper with example: obj = WrappedEstimator()