def __itruediv__(self, other):
        if isinstance(other, NUMERIC_TYPES):
            self.standard /= float(other)
            return self
        else:
            raise TypeError({"class":pretty_name(self)} % '%(class)s must be divided with number')
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/gis/measure.py/MeasureBase.__itruediv__/swapped operands of `%`