jupyter notebook 启动出错

[C 18:49:50.816 NotebookApp] Bad config encountered during initialization:
[C 18:49:50.816 NotebookApp] The 'contents_manager_class' trait of a NotebookApp instance must be a subclass of 'notebook.services.contents.manager.ContentsManager', but a value of class 'traitlets.traitlets.MetaHasTraits' (i.e. <class 'notedown.contentsmanager.NotedownContentsManager'>) was specified.

http://zh.gluon.ai/chapter_crashcourse/install.html
里面可以查找下面这段话:

使用notedown插件来读写github源文件
注意:这个只推荐给如果想上github提交改动的小伙伴。 我们源代码是用markdown格式来存储,而不是jupyter默认的ipynb格式。我们可以用notedown插件来读写markdown格式。下面命令下载源代码并且安装环境:

git clone https://github.com/mli/gluon-tutorials-zh
cd gluon-tutorials-zh
conda env create -f environment.yml
source activate gluon # Windows下不需要 source
然后安装notedown,运行Jupyter并加载notedown插件:

pip install https://github.com/mli/notedown/tarball/master
jupyter notebook --NotebookApp.contents_manager_class=‘notedown.NotedownContentsManager’
【可选项】默认开启notedown插件

首先生成jupyter配置文件(如果已经生成过可以跳过)

jupyter notebook --generate-config
将下面这一行加入到生成的配置文件的末尾(Linux/macOS一般在~/.jupyter/jupyter_notebook_config.py)

c.NotebookApp.contents_manager_class = ‘notedown.NotedownContentsManager’
之后就只需要运行jupyter notebook即可。

https://discuss.gluon.ai/t/topic/757

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转载自www.cnblogs.com/ya-cpp/p/9084527.html