class_docstr: Mock for a downstream score visualizer
class_docstr_tok: ["Mock","for","a","downstream","score","visualizer"]
code: def fit(self, X, y):
      super(MockVisualizer, self).fit(X, y)
  
imports: import pytest
  import matplotlib.pyplot
  from yellowbrick.base import *
  from yellowbrick.base import VisualizerGrid
  from yellowbrick.datasets import load_occupancy
  from yellowbrick.exceptions import YellowbrickWarning
  from yellowbrick.exceptions import YellowbrickValueError
  from unittest.mock import patch
  from unittest.mock import MagicMock
  from tests.rand import RandomVisualizer
  from tests.base import IS_WINDOWS_OR_CONDA, VisualTestCase
  from sklearn.svm import LinearSVC
  from sklearn.datasets import make_classification
label_desc: Use image node_id 1 for calling the MockVisualizer obj's underlying member method code with example usage: obj.fit(X, y) without return types