code: def lfrAlgoInstance():
      """This fixture creates two functions with the scope module lfrAlgoInstance creates an instance of the LFR that can
       used by both fit and transform functions.
      ad creates a adult data set that will be used by the fit and the transform functions.
      """
      privileged_groups = [{"sex": 1.0}]
      unprivileged_groups = [{"sex": 0.0}]
  
      lfrAlgoInstance = LFR(
          unprivileged_groups=unprivileged_groups,
          privileged_groups=privileged_groups,
      )
  
      return lfrAlgoInstance
  
file_path: AIF360/tests/test_lfr.py
imports: import os
  import sys
  import numpy
  import pytest
  from aif360.algorithms.preprocessing import LFR
  from aif360.algorithms.preprocessing.optim_preproc_helpers.data_preproc_functions import load_preproc_data_adult
label_desc: Use image node_id 1 for calling a global function with example usage: lfrAlgoInstance() and returns: lfrAlgoInstance