class_docstr: Test ConfusionMatrix visualizer
class_docstr_tok: ["Test","ConfusionMatrix","visualizer"]
docstr: Test that visualizer quickmethod can be accessed within a
  sklearn pipeline
docstr_tok: ["Test","that","visualizer","quickmethod","can","be","accessed","within","a","sklearn","pipeline"]
code: def test_within_pipeline_quickmethod(self):
      """
      Test that visualizer quickmethod can be accessed within a
      sklearn pipeline
      """
      X, y = load_occupancy(return_dataset=True).to_pandas()
  
      X_train, X_test, y_train, y_test = tts(
          X, y, test_size=0.2, shuffle=True, random_state=42
      )
  
      model = Pipeline(
          [
              ("minmax", MinMaxScaler()),
              (
                  "matrix",
                  confusion_matrix(
                      SVC(random_state=42),
                      X_train,
                      y_train,
                      X_test,
                      y_test,
                      classes=["vacant", "occupied"],
                      show=False,
                  ),
              ),
          ]
      )
      self.assert_images_similar(model["matrix"], tol=12)
  
imports: import sys
  import pytest
  import yellowbrick
  import numpy.testing
  import matplotlib.pyplot
  from yellowbrick.exceptions import ModelError
  from yellowbrick.datasets import load_occupancy
  from yellowbrick.classifier.confusion_matrix import *
  from unittest.mock import patch
  from tests.fixtures import Dataset, Split
  from tests.base import IS_WINDOWS_OR_CONDA, VisualTestCase
  from sklearn.svm import SVC
  from sklearn.naive_bayes import GaussianNB
  from sklearn.preprocessing import LabelEncoder
  from sklearn.tree import DecisionTreeClassifier
  from sklearn.linear_model import LogisticRegression
  from sklearn.linear_model import PassiveAggressiveRegressor
  from sklearn.model_selection import train_test_split
  from sklearn.datasets import load_digits, make_classification
  from sklearn.preprocessing import MinMaxScaler
  from sklearn.pipeline import Pipeline
label_desc: Use image node_id 15 for calling the TestConfusionMatrix obj's underlying member method code with example usage: obj.test_within_pipeline_quickmethod() without return types