def with_division(self, division):
if division is None:<EOL><INDENT>division = '<STR_LIT>'<EOL><DEDENT>division = slugify(division)<EOL>self._validate_division(division)<EOL>self.division = division<EOL>return self<EOL>
Add a division segment

        Args:
            division (str): Official name of an electoral division.

        Returns:
            IdBuilder

        Raises:
            ValueError