def remove_many_aggregated(self, aggregated, *args, **kwargs):
        super(BaseNotificationFeed, self).remove_many_aggregated(aggregated, *args, **kwargs)
        ids = [a.serialization_id for a in aggregated]
        self.update_markers(ids, ids, operation='remove')
Returns `val`, or `default` if `val` is `None`.
dataset/ETHPy150Open tschellenbach/Stream-Framework/stream_framework/feeds/notification_feed/base.py/BaseNotificationFeed.remove_many_aggregated--crossover with--dataset/ETHPy150Open twosigma/ngrid/ngrid/util.py/if_none