No table of content in jupyter lab 3.0.7

[fcollonval]

Hello, I just installed jupyter lab 3.0.7 and I don't see the TOC anywhere. Here is what I see:

Is there something that I can do to fix this?

Originally posted by @DonovanAD in #166 (comment)

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[fcollonval]

@DonovanAD could you try reloading the page?

If it still does not show up, could you report the output of the command jupyter labextension list.

[DonovanAD]

Hello @fcollonval, I tried reloading the page but nothing changed. I also tried uninstalling and installing multiple times using pip and conda, but it never worked.

However, I managed to solved it already. I had to follow what krassowski suggested here and I removed all folders that I could have accessed to when typing jupyter --paths:

config:

/Users/USERNAME/.jupyter ------------------> REMOVED BY ME
/Users/USERNAME/anaconda3/etc/jupyter -----> REMOVED BY ME
/usr/local/etc/jupyter
/etc/jupyter

data:

/Users/USERNAME/Library/Jupyter -----------> REMOVED BY ME
/Users/USERNAME/anaconda3/share/jupyter ---> REMOVED BY ME
/usr/local/share/jupyter
/usr/share/jupyter

runtime:

/Users/USERNAME/Library/Jupyter/runtime ---> REMOVED BY ME

and then uninstall everything showed when typing jupyter --version in the terminal using pip:

jupyter core
jupyter-notebook
qtconsole
ipython
ipykernel
jupyter client
jupyter lab
nbconvert
ipywidgets
nbformat
traitlets

Then I proceeded to reinstall using pip install jupyter and conda install -c conda-forge jupyterlab=3 and now everything is working as it should be.

I experienced the problem with TOC not showing that I described on:

• macOS Big Sur version 11.2.3 (20D91)
• chrome Version 89.0.4389.114 (Official Build) (x86_64)
• jupyter lab 3.0.7

And currently everything is working with:

• same OS and browser
• juyter lab 3.0.13

[fcollonval]

Glad to here you figure out a way to fix your environment.