def dehydrate_quiz_secs(self, bundle):
     start_date = datetime.datetime.now() - datetime.timedelta(days=14)
     end_date = datetime.datetime.now()
     return Tracker.activity_secs(user=bundle.obj,
                                  type='quiz',
                                  start_date=start_date,
                                  end_date=end_date)
 def dehydrate_quiz_secs(self,bundle):
     start_date = datetime.datetime.now() - datetime.timedelta(days=14)
     end_date = datetime.datetime.now()
     return Tracker.activity_secs(user=bundle.obj,type='quiz',start_date=start_date,end_date=end_date)