@classmethod
    def order_by(cls, iterable, order_by):
        if iterable is None or not order_by:
            return iterable
        if not isinstance(order_by, (list, tuple)):
            order_by = (order_by,)
        if cls._is_query(iterable):
            return cls._query_order_by(iterable, order_by)
        else:
            return cls._iterable_order_by(iterable, order_by)
Mark unusual trips for all the routes in the dataset.
dataset/ETHPy150Open openstack/fuel-web/nailgun/nailgun/objects/base.py/NailgunCollection.order_by--crossover with--dataset/ETHPy150Open google/transitfeed/unusual_trip_filter.py/UnusualTripFilter.filter