【问题标题】:Can't run jupyter notebook after installing安装后无法运行 jupyter notebook
【发布时间】:2021-12-01 15:43:44
【问题描述】:

我也一直在尝试通过 pycharm 和 cmd 运行 jupyter notebook,但我不断收到以下错误,我无法找到解决方案。有没有人知道我如何解决这个问题?

  File "c:\users\31611\appdata\local\programs\python\python38\lib\runpy.py", line 194, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "c:\users\31611\appdata\local\programs\python\python38\lib\runpy.py", line 87, in _run_code
    exec(code, run_globals)
  File "C:\Users\31611\AppData\Local\Programs\Python\Python38\Scripts\jupyter-notebook.EXE\__main__.py", line 7, in <module>
  File "c:\users\31611\appdata\local\programs\python\python38\lib\site-packages\jupyter_core\application.py", line 264, in launch_instance
    return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs)
  File "c:\users\31611\appdata\local\programs\python\python38\lib\site-packages\traitlets\config\application.py", line 845, in launch_instance
    app.initialize(argv)
  File "c:\users\31611\appdata\local\programs\python\python38\lib\site-packages\traitlets\config\application.py", line 88, in inner
    return method(app, *args, **kwargs)
  File "c:\users\31611\appdata\local\programs\python\python38\lib\site-packages\notebook\notebookapp.py", line 2141, in initialize
    self._init_asyncio_patch()
  File "c:\users\31611\appdata\local\programs\python\python38\lib\site-packages\notebook\notebookapp.py", line 2117, in _init_asyncio_patch
    nest_asyncio.apply()
  File "c:\users\31611\appdata\local\programs\python\python38\lib\site-packages\nest_asyncio.py", line 14, in apply
    raise ValueError('Can\'t patch loop of type %s' % type(loop))
ValueError: Can't patch loop of type <class 'NoneType'>

【问题讨论】:

  • 我也有同样的问题。但是,我可以在终端中运行 jupyter-notebook,它似乎在那里工作。

标签: python-3.x jupyter-notebook


【解决方案1】:

我最近遇到了同样的问题,在 docker 容器环境中安装了包,运行 CMD jupyter notebook 后得到了同样的错误消息。从头开始重新安装 jupyter==1.0.0 有助于解决问题。

【讨论】:

    【解决方案2】:

    我发现了一个不同的 stackoverflow 帖子,这解决了我的问题

    pip install nest_asyncio==1.5.3
    

    【讨论】:

    • 建议在你的回答中参考那个帖子。
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