def __lt__(self, other):
        # This is needed because bisect does not take a comparison function.
        if isinstance(other, Field):
            return other.creation_counter < self.creation_counter
        return NotImplemented
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/db/models/fields/__init__.py/Field.__lt__/swapped operands of `<`