@pytest.mark.skipif((1, 5) < VERSION, reason='Django < 1.5 does not support `update_fields` kwarg')
    def test_update_fields_save(self):
        instance = ModelWithVanillaMoneyField.objects.create(money=Money(100, 'USD'), integer=2)
        instance.money = F('money') + Money(100, 'USD')
        instance.save(update_fields=['money'])
        instance = ModelWithVanillaMoneyField.objects.get(pk=instance.pk)
        assert instance.money == Money(200, 'USD')
dataset/ETHPy150Open django-money/django-money/tests/test_models.py/TestFExpressions.test_update_fields_save/swapped operands of `<`