text: """
  The :mod:`sklearn.tree` module includes decision tree-based models for
  classification and regression.
  """
  
  from ._classes import BaseDecisionTree
  from ._classes import HddDecisionTreeClassifier
  from ._classes import DecisionTreeClassifier
  from ._classes import DecisionTreeRegressor
  from ._classes import ExtraTreeClassifier
  from ._classes import ExtraTreeRegressor
  from ._export import export_graphviz, plot_tree, export_text
  
  __all__ = ["BaseDecisionTree", "HddDecisionTreeClassifier",
             "DecisionTreeClassifier", "DecisionTreeRegressor",
             "ExtraTreeClassifier", "ExtraTreeRegressor", "export_graphviz",
             "plot_tree", "export_text"]
  