def enter(self, delay, priority, action, argument=(), kwargs=_sentinel):
        """A variant that specifies the time as a relative time.

        This is actually the more commonly used interface.

        """
        time = self.timefunc() + delay
        return self.enterabs(time, priority, action, argument, kwargs)
A variant that specifies the time as a relative time.

        This is actually the more commonly used interface.