code: def classifier(estimator):
      """
      Wrap a third-party classifier to make it available to Yellowbrick visualizers.
  
      Parameters
      ----------
      estimator : object
          The non-sklearn classifier to wrap and use for Visualizers
      """
      return wrap(estimator, CLASSIFIER)
  
file_path: yellowbrick/yellowbrick/contrib/wrapper.py
imports: from yellowbrick.exceptions import YellowbrickAttributeError
label_desc: Use image node_id 2 for calling a global function with example usage: classifier(estimator) and returns: wrap