code: def __init__(self, message: str):
      self.message = (
          "The passed estimator of kind `{}` "
          "is not fitted.".format(message)
      )
      super().__init__(self.message)
  
imports: from sklearn_porter import enums
label_desc: Use image node_id 1 to create a new NotFittedEstimatorError object from inherited base classes: Exception with example: obj = NotFittedEstimatorError(message)