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Jupyter nbextensions does not appear

I tried to install jupyter_contrib_nbextensions : http://jupyter-contrib-nbextensions.readthedocs.io/en/latest/install.html

Everything worked fine but when I open a notebook nothing changes. I can't see the new tool bar that I'm supposed to see.

When I reinstall the Extension, the process is the same (I don't have a message tellign me that the files already exists). I don't have an error. So I can't figure out why it doesn't work.

Thanks a lot.

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Ahmed Lahlou Mimi Avatar asked Apr 04 '18 09:04

Ahmed Lahlou Mimi


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2 Answers

Follow 3 steps: In Terminal

pip install jupyter_contrib_nbextensions jupyter contrib nbextension install --user jupyter nbextension enable varInspector/main 

after this you will see "Vaildating: ok" Now you can open jupyter notebook you will see the require changes

like image 134
Urmil Jindal Avatar answered Sep 23 '22 09:09

Urmil Jindal


Update Jan 2021
I was seeing this issue using the latest from pip packages.

Turns out it was related to: https://discourse.jupyter.org/t/the-static-notebook-js-mathjaxutils-js-is-missing/7303

Basically, jupyter-notebook moved a .js file in a recent update causing the extensions tab to no longer appear.

Reverting to an older version works-around the issue:

pip install notebook==6.1.5 

Also note that a substantial number of the extensions aren't officially supported by the 6.x version. So you may be better off reverting to 5.x until your desired extensions are 'officially' supported:

pip install notebook==5.7.10 
like image 35
driedler Avatar answered Sep 22 '22 09:09

driedler