When opening a Jupyter Notebook using Andaconda Nabigator on Windows I don't know the effect of version up, but I can't open it.
In the error.txt file that was in the Jupyter Notebook Bat file directory
[C 16:33:17.925 NotebookApp] Bad config encountered during initialization: [C 16:33:17.925 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 'dict' (i.e. {}) was specified.
When the cause was investigated by copying, the exact same error was mentioned around 2015.
The solution is 「
Note: Please make sure that you need to uninstall Anaconda and Jupyter Lab and delete all files in C: / drive before running the above script. And it is recommended to reinstall the latest Python3, add / set the environment path correctly and create Pyhon in the main root folder of C: / Python instead of C: / User / ... / Python. However, you need to install the Jupyter notebook.
You may not be able to find jupyter_notebook_config.py. To create jupyter_notebook_config.py, create the jupyter_notebook_config.py file after installing the .NET Framework for python. Then you can use the following command line. jupyter notebook --generate-config 」
Seems to be the best answer.
When I followed the instructions and entered it at the Anaconda prompt (because I did not include a batch file such as jupyter at the command prompt), I confirmed the improvement.
I want to fix this kind of error quickly. As a memorandum. .. ..
[Reference article] https://github.com/jupyter/notebook/issues/274#issuecomment-522808247
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