Method timer

aiohttp/helpers.py:665–671

(self)

            return None

    def timer(self) -> "BaseTimerContext":
        if self._timeout is not None and self._timeout > 0:
            timer = TimerContext(self._loop)
            self.register(timer.timeout)
            return timer
        else:
            return TimerNoop()

    def __call__(self) -> None:
        for cb, args, kwargs in self._callbacks: