def filter_choices_to_render(self, selected_choices):
        self.choices = [c for c in self.choices if
                        six.text_type(c[0]) in selected_choices]
Replace self.choices with selected_choices.
dataset/ETHPy150Open yourlabs/django-autocomplete-light/src/dal/widgets.py/WidgetMixin.filter_choices_to_render