def do_listen(self, arg):
        try:
            r = (self.system or ActorSystem()).listen(10)
            print('Received message: %s'%(r or '<None... timed out>'))
        except:
                print ('***ERROR listening')
                traceback.print_exc(limit=3)
Listens for messages from any Actor in the system for up to 10 seconds.
dataset/ETHPy150Open godaddy/Thespian/thespian/shell.py/ThespianShell.do_listen