在笔记本电脑启动时的ubuntu终端窗口中,会引发此错误.任何人都可以解释这个错误
KeyError: 3
ERROR:root:Exception in I/O handler for fd 3
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/zmq/eventloop/ioloop.py", line 330, in start
self._handlers[fd](fd, events)
python ×1