def delete(self):
        super(BaseNotificationFeed, self).delete()

        args = []
        if self.track_unseen:
            args.append('unseen')
        if self.track_unread:
            args.append('unread')
        self.feed_markers.flush(*args)
Depending on the given parameters returns the appropriate validators for
dataset/ETHPy150Open tschellenbach/Stream-Framework/stream_framework/feeds/notification_feed/base.py/BaseNotificationFeed.delete--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/core/validators.py/ip_address_validators