class_docstr: Extract model data and port an ExtraTreesClassifier classifier.
code: def __init__(self, estimator: ExtraTreesClassifierClass):
      super().__init__(estimator)
  
imports: from sklearn.ensemble import ExtraTreesClassifier
  from sklearn_porter.estimator.EstimatorBase import EstimatorBase
  from sklearn_porter.estimator.RandomForestClassifier import RandomForestClassifier
label_desc: Use image node_id 1 to create a new ExtraTreesClassifier object from inherited base classes: RandomForestClassifier, EstimatorBase with example: obj = ExtraTreesClassifier(estimator)