def test_many_to_many_field(self):
        with self.assertRaisesMessage(FieldError, ('toppings', '(none)') % self.invalid_error):
            list(Pizza.objects.select_related('toppings'))
dataset/ETHPy150Open django/django/tests/select_related/tests.py/SelectRelatedValidationTests.test_many_to_many_field/swapped operands of `%`