def __truediv__(self, other):
        if isinstance(other, NUMERIC_TYPES):
            return self.__class__(default_unit=self._default_unit,
                **{self.STANDARD_UNIT: (self.standard / other)})
        else:
            raise TypeError({"class":pretty_name(self)} % '%(class)s must be divided by a number')
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/gis/measure.py/Area.__truediv__/swapped operands of `%`