code: def __init__(self) -> None:
      self._data = None
      self._train = None
      self._validation = None
      self._test = None
      self.target_feature = None
      self.sensitive_feature = None
      self.categorical_features = None
  
file_path: aequitas/src/aequitas/fairflow/datasets/dataset.py
imports: from abc import ABC, abstractmethod
  import pandas
  from ..utils import LabeledFrame
label_desc: Use image node_id 1 to create a new Dataset object from inherited base classes: ABC with example: obj = Dataset()