@classmethod
def eager_query(cls):
    from sqlalchemy import orm
    return super(Person, cls).eager_query().options(orm.joinedload('language'), orm.subqueryload('object_people'))
@classmethod
def eager_query(cls):
    from sqlalchemy import orm
    return super(Person, cls).eager_query().options(orm.joinedload('language'), orm.subqueryload('object_people'))