def oldest(self, column='created_at'):
        return self.order_by(column, 'asc')
Monkey patch the scatter property setter.
dataset/ETHPy150Open sdispater/orator/orator/query/builder.py/QueryBuilder.oldest--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/appengine-mapreduce/python/test/testlib/testutil.py/set_scatter_setter