def lastupdate(self, wlan):
        ''' Return the time elapsed since this WLAN was last updated.
        '''
        try:
            elapsed = time.time() - self.last_update_time[wlan]
        except __HOLE__:
            self.last_update_time[wlan] = time.time()
            elapsed = 0.0
        return elapsed
dataset/ETHPy150Open coreemu/core/daemon/core/netns/vnet.py/EbtablesQueue.lastupdate