code: def old_adult():
      return AdultDataset(
          instance_weights_name="fnlwgt",
          categorical_features=[],
          features_to_keep=[
              "age",
              "education-num",
              "capital-gain",
              "capital-loss",
              "hours-per-week",
          ],
          features_to_drop=[],
      )
  
file_path: AIF360/tests/sklearn/conftest.py
imports: import numpy
  import pytest
  from aif360.datasets import GermanDataset, AdultDataset
  from aif360.sklearn.datasets import fetch_german, fetch_adult
label_desc: Use image node_id 2 for calling a global function with example usage: old_adult() and returns: AdultDataset