Division.

def get_division(self, obj):
        """Division."""
        if self.context.get("division"):
            return DivisionSerializer(self.context.get("division")).data
        else:
            if obj.slug == "senate":
                return DivisionSerializer(obj.jurisdiction.division).data
            else:
                us = DivisionSerializer(obj.jurisdiction.division).data

                us["children"] = [
                    DivisionSerializer(
                        state,
                        context={"children_level": DivisionLevel.DISTRICT},
                    ).data
                    for state in obj.jurisdiction.division.children.all()
                ]

                return us