for clntsock, clntaddr in topoll:
fd = clients.add(clntsock, clntaddr)
poller.register(fd, flags=zmq.POLLIN)
except KeyboardInterrupt:
for clntsock, clntaddr in topoll:
fd = clients.add(clntsock, clntaddr)
poller.register(fd, flags=zmq.POLLIN)
except KeyboardInterrupt: