code: def __period_remaining(self):
          '''
          Return the period remaining for the current rate limit window.
  
          :return: The remaing period.
          :rtype: float
          '''
          elapsed = self.clock() - self.last_reset
          return self.period - elapsef __period_remaining(self):
          '''
          Return the period remaining for the current rate limit window.
  
          :return: The remaing period.
          :rtype: float
          '''
          elapsed = self.clock() - self.last_reset
          return self.period - elapsed
docs: Return the period remaining for the current rate limit window.
  
          :return: The remaing period.
          :rtype: float