Jupyter笔记本:TypeError:__ init __()得到了一个意外的关键字参数'io_loop'

Question

我最近在我的macbook pro上安装了jupyter笔记本.当我创建一个新笔记本时,我看到在我启动笔记本的终端上不断出现以下异常.

Monideeps-MacBook-Pro:PythonNotebooks monideepde$ jupyter-notebook 
[I 12:18:43.675 NotebookApp] Serving notebooks from local directory: /Users/monideepde/Documents/PythonNotebooks
[I 12:18:43.675 NotebookApp] 0 active kernels
[I 12:18:43.676 NotebookApp] The Jupyter Notebook is running at:
[I 12:18:43.676 NotebookApp] http://localhost:8888/?token=dcb1990694d91ded77f4287a588886ea567b5907ac8aeafa
[I 12:18:43.676 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).
[C 12:18:43.677 NotebookApp] 

    Copy/paste this URL into your browser when you connect for the first time,
    to login with a token:
        http://localhost:8888/?token=dcb1990694d91ded77f4287a588886ea567b5907ac8aeafa
[I 12:18:43.896 NotebookApp] Accepting one-time-token-authenticated connection from ::1
[W 12:18:44.778 NotebookApp] 404 GET /static/components/moment/locale/en-gb.js?v=20180104121843 (::1) 21.10ms referer=http://localhost:8888/tree
[I 12:18:54.840 NotebookApp] Creating new notebook in 
[W 12:18:55.716 NotebookApp] 404 GET /static/components/moment/locale/en-gb.js?v=20180104121843 (::1) 3.06ms referer=http://localhost:8888/notebooks/Untitled.ipynb?kernel_name=python2
[I 12:18:55.920 NotebookApp] Kernel started: 5e16fa4b-3e35-4265-89b0-ab36bb0573f5
[W 12:18:55.941 NotebookApp] 404 GET /nbextensions/widgets/notebook/js/extension.js?v=20180104121843 (::1) 5.57ms referer=http://localhost:8888/notebooks/Untitled.ipynb?kernel_name=python2
[I 12:18:56.998 NotebookApp] Adapting to protocol v5.1 for kernel 5e16fa4b-3e35-4265-89b0-ab36bb0573f5
[E 12:18:57.001 NotebookApp] Uncaught exception in /api/kernels/5e16fa4b-3e35-4265-89b0-ab36bb0573f5/channels
    Traceback (most recent call last):
      File "/Library/Python/2.7/site-packages/tornado-5.0a1-py2.7-macosx-10.13-intel.egg/tornado/websocket.py", line 494, in _run_callback
        result = callback(*args, **kwargs)
      File "/Library/Python/2.7/site-packages/notebook-5.2.2-py2.7.egg/notebook/services/kernels/handlers.py", line 258, in open
        super(ZMQChannelsHandler, self).open()
      File "/Library/Python/2.7/site-packages/notebook-5.2.2-py2.7.egg/notebook/base/zmqhandlers.py", line 168, in open
        self.send_ping, self.ping_interval, io_loop=loop,
    TypeError: __init__() got an unexpected keyword argument 'io_loop'
[I 12:18:58.021 NotebookApp] Adapting to protocol v5.1 for kernel 5e16fa4b-3e35-4265-89b0-ab36bb0573f5

Python版本是2.7.

有关如何解决此问题的指示？

Answer 1

降级龙卷风,这对我有用.

pip install tornado==4.5.3

基于:https://github.com/liftoff/GateOne/issues/689

Answer 2

我修改了文件"/Library/Python/2.7/site-packages/notebook-5.2.2-py2.7.egg/ notebook/base/zmqhan dlers.py"来删除io_loop参数.

根据bkanuka的评论,这是Jupyter发布新版本的方法.

Answer 3

这是版本不兼容的问题。升级Jupyter即可解决。您应该在 macOS 中尝试以下操作：

pip install --upgrade jupyter