File "spyder/workerprocess.py", line 236, in main
    io_loop.start()
  File "zmq/eventloop/ioloop.py", line 245, in start
    event_pairs = self._impl.poll(poll_timeout)
  File "poll.pyx", line 175, in zmq.core.poll.Poller.poll (zmq/core/poll.c:2048)
  File "poll.pyx", line 97, in zmq.core.poll._poll (zmq/core/poll.c:1378)
ZMQError: Interrupted system call