def _return_feature(self, feature_type, feature_name, new_feature_name=...):
        """ Helping function of `get_features`
        """
        if self.new_names:
            return feature_type, feature_name, (self.rename_function(feature_name) if new_feature_name is ... else
                                                new_feature_name)
        return feature_type, feature_name
Helping function of `get_features`