code: def apply_predict_filters(self, choosers, alternatives):
          
          return super(MNLDiscreteChoiceModel, self).apply_predict_filters(
              choosers, alternatives)
docs: Filter `choosers` and `alternatives` for prediction.
  
          Parameters
          ----------
          choosers : pandas.DataFrame
              Table describing the agents making choices, e.g. households.
          alternatives : pandas.DataFrame
              Table describing the things from which agents are choosing,
              e.g. buildings.
  
          Returns
          -------
          filtered_choosers, filtered_alts : pandas.DataFrame