code: def seconds_remaining(self, ttl):
          
          return max(0, ttl - (int(time.time()) - self.mod_time))
docs: Return number of seconds left before Imgur API needs to be queried for this instance.
  
          :param int ttl: Number of seconds before this is considered out of date.
  
          :return: Seconds left before this is expired. 0 indicated update needed (no negatives).
          :rtype: int