docs: def pop(self, queue_name):
          """
          Pops a task off the queue.
  
          :param queue_name: The name of the queue. Usually handled by the
              ``Gator`` instance.
          :type queue_name: string
  
          :returns: The data for the task.
          :rtype: string
          """
          self._only_watch_from(queue_name)
          job = self.conn.reserve(timeout=0)
          job.delete()
          return job.body