    def get_active_tasks(self):
        # type: () -> List[Task]
        '''
        Returns a list of Task objects for which the alertees have been
        contacted but have not replied. Periodically this list should be polled
        and stale tasks should have their alertees pinged.
        '''
        pass
Returns a list of Task objects for which the alertees have been
contacted but have not replied. Periodically this list should be polled
and stale tasks should have their alertees pinged.
securitybot/tasker/tasker.py