By default, Cable entries are sorted by rating and Broadcast ratings are
        sorted by time.
        By default, float attributes are sorted from highest to lowest and non-float
        attributes are sorted alphabetically (show, net) or chronologically (time).

def get_reverse(self):
        """By default, Cable entries are sorted by rating and Broadcast ratings are
        sorted by time.
        By default, float attributes are sorted from highest to lowest and non-float
        attributes are sorted alphabetically (show, net) or chronologically (time).
        """
        if self.sort in FLOAT_ATTRIBUTES:
            return True
        elif self.sort in NONFLOAT_ATTRIBUTES:
            return False
        else:
            raise InvalidSortError(self.sort)