code: def transform(self, X):
      if self.preprocessor is None:
          raise NotImplementedError()
      return self.preprocessor.transform(X)
  
file_path: auto-sklearn/autosklearn/pipeline/components/feature_preprocessing/fast_ica.py
imports: from typing import Optional
  import warnings
  from ConfigSpace.conditions import EqualsCondition
  from ConfigSpace.configuration_space import ConfigurationSpace
  from ConfigSpace.hyperparameters import CategoricalHyperparameter, UniformIntegerHyperparameter
  from autosklearn.askl_typing import FEAT_TYPE_TYPE
  from autosklearn.pipeline.components.base import AutoSklearnPreprocessingAlgorithm
  from autosklearn.pipeline.constants import DENSE, INPUT, UNSIGNED_DATA
  from autosklearn.util.common import check_for_bool, check_none
label_desc: Use image node_id 3 for calling the FastICA obj's underlying member method code with example usage: obj.transform(X) and returns: self