code: def __init__(self, window_length=3):
      self.window_length = window_length
      super().__init__()
  
imports: from sktime.transformations.base import BaseTransformer
label_desc: Use image node_id 1 to create a new MatrixProfileTransformer object from inherited base classes: BaseTransformer with example: obj = MatrixProfileTransformer(window_length)