Package: jupyter-nbextension-jupyter-js-widgets Followup-For: Bug #875538 Dear Maintainer,
I do not use widgets but I report the bug hoping this might help. First install of jupyter bundle. I've got this warning: Setting up jupyter-nbextension-jupyter-js-widgets (6.0.0-2) ... /usr/lib/python3.6/runpy.py:125: RuntimeWarning: 'notebook.nbextensions' found in sys.modules after import of p ackage 'notebook', but prior to execution of 'notebook.nbextensions'; this may result in unpredictable behaviou r warn(RuntimeWarning(msg)) Enabling notebook extension jupyter-js-widgets/extension... - Validating: OK Setting up python3-ipywidgets (6.0.0-2) ... Processing triggers for libc-bin (2.26-4) ... More info: root@EliteBook:~# ls -al /etc/jupyter/nbconfig/*.json -rw-r--r-- 1 root root 3 Feb 11 18:19 /etc/jupyter/nbconfig/common.json -rw-r--r-- 1 root root 3 Feb 11 18:19 /etc/jupyter/nbconfig/edit.json -rw-r--r-- 1 root root 71 Feb 11 18:19 /etc/jupyter/nbconfig/notebook.json -rw-r--r-- 1 root root 3 Feb 11 18:19 /etc/jupyter/nbconfig/terminal.json -rw-r--r-- 1 root root 3 Feb 11 18:19 /etc/jupyter/nbconfig/tree.json root@EliteBook:~# cat /etc/jupyter/nbconfig/common.json {} root@EliteBook:~# cat /etc/jupyter/nbconfig/edit.json {} root@EliteBook:~# cat /etc/jupyter/nbconfig/notebook.json { "load_extensions": { "jupyter-js-widgets/extension": true } }root@EliteBook:~# cat /etc/jupyter/nbconfig/terminal.json {} root@EliteBook:~# cat /etc/jupyter/nbconfig/tree.json {} root@EliteBook:~# -- System Information: Debian Release: buster/sid APT prefers testing APT policy: (900, 'testing') Architecture: amd64 (x86_64) Kernel: Linux 4.14.0-3-amd64 (SMP w/8 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages jupyter-nbextension-jupyter-js-widgets depends on: ii python 2.7.14-4 ii python3 3.6.4-1 ii python3-notebook 5.2.2-1 jupyter-nbextension-jupyter-js-widgets recommends no packages. Versions of packages jupyter-nbextension-jupyter-js-widgets suggests: pn python-ipywidgets <none> ii python3-ipywidgets 6.0.0-2 -- no debconf information