Jupyter_contrib_nbextensions: Variable inspector not working

[ktavabi]

After enabling varInspector/main I am not seeing anything in the toolbar nor can I toggle the inspector via the command palette. I can see and change inspector parameters in the extensions configurator, and have set True to display window at startup, but there is just nothing visible, no errors or no sign of the extension in action.

[jcb91]

almost certainly a result of bug introduced in #1123, fixed in #1128. I've just pushed 0.3.3 to pypi which has this fixed, am in the process of updating the conda-forge build. What version are you using?

[ktavabi]

Version of nbextensions? Here is my entire Jupyter system in a python 2.7 conda virutal env:

jupyter 1.0.0
jupyter-contrib-core 0.3.3
jupyter-contrib-nbextensions 0.3.2
jupyter-highlight-selected-word 0.0.11
jupyter-latex-envs 1.3.8.4
jupyter-nbextensions-configurator 0.2.8
jupyter_client 5.1.0
jupyter_console 5.1.0
jupyter_core 4.3.0

[ktavabi]

Thanks! Seems like pip install jupyter_contrib_nbextensions --upgrade worked, although call ended with

OSError: [Errno 2] No such file or directory: '/home/.../miniconda3/envs/bad-baby/lib/python2.7/site-packages/setuptools-27.2.0-py2.7.egg'

[jcb91]

Thanks! Seems like pip install jupyter_contrib_nbextensions --upgrade worked

Great :) Not sure about that OSError, I'm afraid, but if it all looks like it's working, then I expect it's fine.

Unfortunately I'm still waiting on Travis to build the conda-forge package for 0.3.3, but once it does, that should hopefully work too.

[jcb91]

I'll leave this issue open for now though, for the benefit of anyone installing 0.3.2 from conda :disappointed:

[SteliosStefanatos]

Same issue here. Just installed 0.3.2 from conda and many extensions do not appear in the toolbar even though enabled, including variable inspector, toc2, freeze, and runtools

[jcb91]

Yes, I'm sorry, but quite a few will be affected by this bug. For now (until the conda build completes correctly), the best I can offer is to try a pip upgrade. This is perfectly safe to do over the top of a conda install, but I forgot earlier that two steps are needed. To apply over the top of a conda install, use (with the relevant conda environment active)

pip install --upgrade jupyter_contrib_nbextensions
jupyter contrib nbextension install --sys-prefix

You may wish to add a --symlink flag to the second command (and you're not on Windows, which doesn't support symlinks).

[jcb91]

See also (same bug) #1127

[SteliosStefanatos]

@jcb91 Thanks a lot for the instructions, they work nicely! Really appreciate the team's efforts!

[jcb91]

@SteliosStefanatos you're welcome, glad to hear you got it fixed ok :)
I've just merged the pr to update the conda repo, so builds for 0.3.3 should hopefully get uploaded to the conda-forge channel soon once the various CI systems build them. You should be able to go back to using the conda package (as opposed to the pypi/pip one) using

conda upgrade jupyter_contrib_nbextensions

But there isn't really any need to for now, since you've already got 0.3.3 anyway :)

[PPauls]

Hi, I have the same issue, even though all my versions are up to date... My jupyter is 5.6.0 and the nb extension's version is 0.5.0. Any ideas?

[jrjbertram]

Also seeing this with a fresh install of jupyter, nbextensions. Can't seem to get the inspector window at all... trying it out for the first time, so might be missing something obvious. (Enabled via command line originally, went back and verified through configurator that it was present and enabled. selected the show window on startup... disabled and reenabled the variable inspector via the configurator. Stopped my notebook and jupyter lab... restarted it, still no dice.)