def _trigger_timers(self):
current = time.time()<EOL>while len(self.timer_tasks) > <NUM_LIT:0> and (self.timer_tasks[<NUM_LIT:0>][<NUM_LIT:0>] - current <= <NUM_LIT:0>):<EOL><INDENT>task = heappop(self.timer_tasks)[<NUM_LIT:1>]<EOL>task()<EOL><DEDENT>
Triggers expired timers