def async_refresh(self):
        """
        Calling this method will send the status line to i3bar immediately
        without waiting for timeout (1s by default).
        """

        self.refresh_cond.acquire()
        self.refresh_cond.notify()
        self.refresh_cond.release()
Calling this method will send the status line to i3bar immediately
        without waiting for timeout (1s by default).