Voila not rendering ipywidgets (Javascript error) #1271
Comments
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Hi @patrickhoebeke, can you try using voila 0.4.0 with ipywidgets 8? |
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Hi @trungleduc , thanks for your very quick reaction. |
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I had the same javascript error show up, however had worked after tweaking with ipywidgets==8.0.2 and nbconvert==7.0.0 |
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Thanks for you answer. |
It works for me with the following environment: output of Voila 0.4.0 is not compatible with ipywidgets 7, but since ipywidgets is not a direct dependency of voila, we do not control its version in voila. |
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Hi @patrickhoebeke, I re-created almost similar setup and attaching the sequence of commands and the working screenshot. |
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Hi @ggogate Thank you very much for your answer and your pip freeze. Even by fixing to the same version as you had: I finally found out, by comparing with your pip freeze that behind the scene, a different version of ipykernel was installed. I lost almost a day trying to identify this issue and fix it. Finally, I still haven't found a way to make it work for ipywidgets<8 but I am so happy that it works now, that I will just stick to that version :-) Thanks for your help ! Patrick
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Haha, good on you! :-) |
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I think that the difficult part of the story is that installing exactly the same packages at two different moments could result in different results. It is likely because the versions of the underlying required libraries is not fixed.
Ah la la ... the fun of programming :-) |
This reply just saved my day! Thanks a ton! After trying a lot of things for a whole day I was able to render using voila with the configuration below: Previously I was using ipykernel version 6.16.1 which gave javascript error while using voila! |
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I had to upgrade to voila 0.5.6 due to the known exfiltration bug in previous versions (I was notified someone exfiltrated some files from our server and how 2 days ago). When I upgraded it, I stupidly did a I would like to avoid downgrading the ipykernel to one from a few years ago, has anyone run into this problem recently? |
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Damned. I was not aware of this security issue. Thanks for sharing... |
Description
With a fresh install of jupyterlab and voilà, the ipywidgets are not rendered while they are correctly displayed by jupyterlab.
After clicking on it:
Reproduce
Step1 : install environment
In a terminal
Step2 : create the following notebook "issue.ipynb" containing the following code:
In a terminal
Open the result in your browser at http://localhost:8866/
As it works perfectly in jupyterlab (no error in the browser console), I suspect a problem with voila or related libraries.
The complete javascript error message is :
I don't know if it is related but I noticed an error code 101 in the network connections (using Web Developer Tools from Firefox):
I also noticed the following error in the console log of FireFox
From my experience, from this last info, it is likely due to a problem of compatibility of versions of different modules.
Honestly I am a little bit lost with the ipywidgets ecosystem and I did several trial downgrading some packages without success.
I would be very happy if someone could help.
Expected behavior
I expect the button to be rendered :-) such as
Context
Installed versions:
jupyterlab==3.5.1
ipywidgets==7.7.2
voila==0.4.0
Jupyter labextension list:
JupyterLab v3.5.1
/home/user/.virtualenvs/jupyterlab3/share/jupyter/labextensions
jupyterlab_pygments v0.2.2 enabled OK (python, jupyterlab_pygments)
@jupyter-widgets/jupyterlab-manager v3.1.1 enabled OK (python, jupyterlab_widgets)
@voila-dashboards/jupyterlab-preview v2.2.0 enabled OK (python, voila)
OS version:
20.04.4 LTS (Focal Fossa)
Browser
Same issue on Firefox 107.0.1 (64-bits) and Chrome 107.0.5304.123
Note:
As you may notice from the info below, I am running all this in Ubuntu running using WSL and virtualenvwrapper but I feel that it has no impact on the problem as I had the same issue running the same tests from a Docker container.
Troubleshoot Output
$PATH:
/home/user/.virtualenvs/jupyterlab3/bin
/home/linuxbrew/.linuxbrew/bin
/home/linuxbrew/.linuxbrew/sbin
/home/user/.local/bin
/home/user/bin
/usr/local/sbin
/usr/local/bin
/usr/sbin
/usr/bin
/sbin
/bin
/usr/games
/usr/local/games
/usr/lib/wsl/lib
/mnt/c/Windows/System32
/mnt/c/Program Files/Docker/Docker/resources/bin
/mnt/c/ProgramData/DockerDesktop/version-bin
/mnt/c/Program Files/PowerShell/7/
/mnt/c/Users/user/AppData/Local/Microsoft/WindowsApps
/mnt/c/Users/user/go/bin
/mnt/c/Users/user/AppData/Local/Programs/IPFS Desktop/resources/app.asar.unpacked/src/ipfs-on-path/scripts/bin-win
/mnt/c/Program Files/7-Zip
/mnt/c/WINDOWS/System32/WindowsPowerShell/v1.0
/mnt/c/Users/user/AppData/Local/Programs/Microsoft VS Code/bin
/snap/bin
sys.path:
/home/user/.virtualenvs/jupyterlab3/bin
/usr/lib/python38.zip
/usr/lib/python3.8
/usr/lib/python3.8/lib-dynload
/home/user/.virtualenvs/jupyterlab3/lib/python3.8/site-packages
sys.executable:
/home/user/.virtualenvs/jupyterlab3/bin/python
sys.version:
3.8.10 (default, Jun 22 2022, 20:18:18)
[GCC 9.4.0]
platform.platform():
Linux-5.10.102.1-microsoft-standard-WSL2-x86_64-with-glibc2.29
which -a jupyter:
/home/user/.virtualenvs/jupyterlab3/bin/jupyter
pip list:
Package Version
-------------------- -----------
anyio 3.6.2
argon2-cffi 21.3.0
argon2-cffi-bindings 21.2.0
asttokens 2.2.1
attrs 22.1.0
Babel 2.11.0
backcall 0.2.0
beautifulsoup4 4.11.1
bleach 5.0.1
certifi 2022.9.24
cffi 1.15.1
charset-normalizer 2.1.1
debugpy 1.6.4
decorator 5.1.1
defusedxml 0.7.1
entrypoints 0.4
executing 1.2.0
fastjsonschema 2.16.2
idna 3.4
importlib-metadata 5.1.0
importlib-resources 5.10.1
ipykernel 6.17.1
ipython 8.7.0
ipython-genutils 0.2.0
ipywidgets 7.7.2
jedi 0.18.2
Jinja2 3.1.2
json5 0.9.10
jsonschema 4.17.3
jupyter_client 7.4.1
jupyter_core 5.1.0
jupyter-server 1.23.3
jupyterlab 3.5.1
jupyterlab-pygments 0.2.2
jupyterlab_server 2.16.3
jupyterlab-widgets 1.1.1
MarkupSafe 2.1.1
matplotlib-inline 0.1.6
mistune 2.0.4
nbclassic 0.4.8
nbclient 0.7.2
nbconvert 7.2.6
nbformat 5.7.0
nest-asyncio 1.5.6
notebook 6.5.2
notebook_shim 0.2.2
packaging 21.3
pandocfilters 1.5.0
parso 0.8.3
pexpect 4.8.0
pickleshare 0.7.5
pip 22.3.1
pkgutil_resolve_name 1.3.10
platformdirs 2.5.4
prometheus-client 0.15.0
prompt-toolkit 3.0.33
psutil 5.9.4
ptyprocess 0.7.0
pure-eval 0.2.2
pycparser 2.21
Pygments 2.13.0
pyparsing 3.0.9
pyrsistent 0.19.2
python-dateutil 2.8.2
pytz 2022.6
pyzmq 24.0.1
requests 2.28.1
Send2Trash 1.8.0
setuptools 65.5.1
six 1.16.0
sniffio 1.3.0
soupsieve 2.3.2.post1
stack-data 0.6.2
terminado 0.17.1
tinycss2 1.2.1
tomli 2.0.1
tornado 6.2
traitlets 5.6.0
urllib3 1.26.13
voila 0.4.0
wcwidth 0.2.5
webencodings 0.5.1
websocket-client 1.4.2
websockets 10.4
wheel 0.38.4
widgetsnbextension 3.6.1
zipp 3.11.0
[Voila] Looking for voila in /etc/jupyter
[Voila] Looking for voila in /usr/local/etc/jupyter
[Voila] Looking for voila in /home/user/.jupyter
[Voila] Looking for voila in /home/user/.virtualenvs/jupyterlab3/etc/jupyter
[Voila] using template: lab
[Voila] template paths:
/home/user/.virtualenvs/jupyterlab3/share/jupyter/voila/templates/lab
/home/user/.virtualenvs/jupyterlab3/share/jupyter/nbconvert/templates/lab
/home/user/.virtualenvs/jupyterlab3/share/jupyter/voila/templates/base
/home/user/.virtualenvs/jupyterlab3/share/jupyter/nbconvert/templates/base
/home/user/.virtualenvs/jupyterlab3/share/jupyter
/home/user/.virtualenvs/jupyterlab3/share/jupyter/voila/templates
/home/user/.virtualenvs/jupyterlab3/share/jupyter/nbconvert/templates
/home/user/.local/share/jupyter
/home/user/.local/share/jupyter/voila/templates
/home/user/.local/share/jupyter/nbconvert/templates
/usr/local/share/jupyter
/usr/local/share/jupyter/voila/templates
/usr/local/share/jupyter/nbconvert/templates
/usr/share/jupyter
/usr/share/jupyter/voila/templates
/usr/share/jupyter/nbconvert/templates
[Voila] static paths:
/home/user/.virtualenvs/jupyterlab3/share/jupyter/voila/templates/lab/static
/home/user/.virtualenvs/jupyterlab3/share/jupyter/nbconvert/templates/lab/static
/home/user/.local/share/jupyter/voila/templates/lab/static
/home/user/.local/share/jupyter/nbconvert/templates/lab/static
/usr/local/share/jupyter/voila/templates/lab/static
/usr/local/share/jupyter/nbconvert/templates/lab/static
/usr/share/jupyter/voila/templates/lab/static
/usr/share/jupyter/nbconvert/templates/lab/static
/home/user/.virtualenvs/jupyterlab3/share/jupyter/voila/templates/base/static
/home/user/.virtualenvs/jupyterlab3/share/jupyter/nbconvert/templates/base/static
/home/user/.local/share/jupyter/voila/templates/base/static
/home/user/.local/share/jupyter/nbconvert/templates/base/static
/usr/local/share/jupyter/voila/templates/base/static
/usr/local/share/jupyter/nbconvert/templates/base/static
/usr/share/jupyter/voila/templates/base/static
/usr/share/jupyter/nbconvert/templates/base/static
[Voila] Using /tmp to store connection files
[Voila] Storing connection files in /tmp/voila_bj7m787e.
[Voila] Serving static files from /home/user/.virtualenvs/jupyterlab3/lib/python3.8/site-packages/voila/static.
[Voila] Voilà is running at:
http://localhost:8866/
[Voila] Found kernel python3 in /home/user/.virtualenvs/jupyterlab3/share/jupyter/kernel
[Voila] Found kernel jupyterlab3 in /home/user/.local/share/jupyter/kernels
[Voila] Found kernel test in /home/user/.local/share/jupyter/kernels
[Voila] Found kernel dev in /home/user/.local/share/jupyter/kernels
[Voila] Found kernel jupyterlab in /home/user/.local/share/jupyter/kernels
[Voila] Found kernel jupyterlab2 in /home/user/.local/share/jupyter/kernels
[Voila] Instantiating kernel 'jupyterlab' with kernel provisioner: local-provisioner
[Voila] Starting kernel: ['/home/user/.virtualenvs/jupyterlab/bin/python', '-m', 'ipykernel_launcher', '-f', '/tmp/voila_bj7m787e/kernel-eb48a2bb-76ed-47b3-9f53-6181abd3857e.json']
[Voila] Connecting to: tcp://127.0.0.1:56117
[Voila] Connecting to: tcp://127.0.0.1:44209
[Voila] Kernel started: eb48a2bb-76ed-47b3-9f53-6181abd3857e
[Voila] Kernel args: {'kernel_name': 'jupyterlab', 'env': {'SHELL': '/bin/bash', 'WSL_DISTRO_NAME': 'Ubuntu-20.04', 'WT_SESSION': 'e305ec09-339c-4e97-bfa7-b4877f1e8e3b', 'LOGNAME': 'user', 'MANPATH': '/home/linuxbrew/.linuxbrew/share/man:', 'VIRTUALENVWRAPPER_VIRTUALENV': '/home/user/.local/bin/virtualenv', 'VIRTUALENVWRAPPER_SCRIPT': '/home/user/.local/bin/virtualenvwrapper.sh', 'HOME': '/home/user', 'LANG': 'C.UTF-8', 'WSL_INTEROP': '/run/WSL/224_interop', 'LS_COLORS': 'rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:.tar=01;31:.tgz=01;31:.arc=01;31:.arj=01;31:.taz=01;31:.lha=01;31:.lz4=01;31:.lzh=01;31:.lzma=01;31:.tlz=01;31:.txz=01;31:.tzo=01;31:.t7z=01;31:.zip=01;31:.z=01;31:.dz=01;31:.gz=01;31:.lrz=01;31:.lz=01;31:.lzo=01;31:.xz=01;31:.zst=01;31:.tzst=01;31:.bz2=01;31:.bz=01;31:.tbz=01;31:.tbz2=01;31:.tz=01;31:.deb=01;31:.rpm=01;31:.jar=01;31:.war=01;31:.ear=01;31:.sar=01;31:.rar=01;31:.alz=01;31:.ace=01;31:.zoo=01;31:.cpio=01;31:.7z=01;31:.rz=01;31:.cab=01;31:.wim=01;31:.swm=01;31:.dwm=01;31:.esd=01;31:.jpg=01;35:.jpeg=01;35:.mjpg=01;35:.mjpeg=01;35:.gif=01;35:.bmp=01;35:.pbm=01;35:.pgm=01;35:.ppm=01;35:.tga=01;35:.xbm=01;35:.xpm=01;35:.tif=01;35:.tiff=01;35:.png=01;35:.svg=01;35:.svgz=01;35:.mng=01;35:.pcx=01;35:.mov=01;35:.mpg=01;35:.mpeg=01;35:.m2v=01;35:.mkv=01;35:.webm=01;35:.ogm=01;35:.mp4=01;35:.m4v=01;35:.mp4v=01;35:.vob=01;35:.qt=01;35:.nuv=01;35:.wmv=01;35:.asf=01;35:.rm=01;35:.rmvb=01;35:.flc=01;35:.avi=01;35:.fli=01;35:.flv=01;35:.gl=01;35:.dl=01;35:.xcf=01;35:.xwd=01;35:.yuv=01;35:.cgm=01;35:.emf=01;35:.ogv=01;35:.ogx=01;35:.aac=00;36:.au=00;36:.flac=00;36:.m4a=00;36:.mid=00;36:.midi=00;36:.mka=00;36:.mp3=00;36:.mpc=00;36:.ogg=00;36:.ra=00;36:.wav=00;36:.oga=00;36:.opus=00;36:.spx=00;36:.xspf=00;36:', 'VIRTUAL_ENV': '/home/user/.virtualenvs/jupyterlab3',, 'VIRTUALENVWRAPPER_WORKON_CD': '1', , 'VIRTUALENVWRAPPER_PYTHON': '/usr/bin/python3', 'INFOPATH': '/home/linuxbrew/.linuxbrew/share/info:', 'WORKON_HOME': '/home/user/.virtualenvs', 'LESSCLOSE': '/usr/bin/lesspipe %s %s', 'TERM': 'xterm-256color', 'LESSOPEN': '| /usr/bin/lesspipe %s', 'USER': 'user', 'HOMEBREW_CELLAR': '/home/linuxbrew/.linuxbrew/Cellar', 'VIRTUALENVWRAPPER_PROJECT_FILENAME': '.project', 'SHLVL': '1', , 'HOMEBREW_REPOSITORY': '/home/linuxbrew/.linuxbrew/Homebrew', 'PS1': '(jupyterlab3) \[\e]0;\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ ', 'WSLENV': 'WT_SESSION::WT_PROFILE_ID', 'XDG_DATA_DIRS': '/usr/local/share:/usr/share:/var/lib/snapd/desktop', 'BROWSER': '/mnt/c/Program Files/Mozilla Firefox/firefox.exe', 'PATH': '/home/user/.virtualenvs/jupyterlab3/bin:/home/linuxbrew/.linuxbrew/bin:/home/linuxbrew/.linuxbrew/sbin:/home/user/.local/bin:/home/user/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/usr/lib/wsl/lib:/mnt/c/Windows/System32:/mnt/c/Program Files/remoteit/resources/x64:/mnt/c/Program Files/Docker/Docker/resources/bin:/mnt/c/ProgramData/DockerDesktop/version-bin:/mnt/c/Program Files/PowerShell/7/:/mnt/c/Users/user/AppData/Local/Microsoft/WindowsApps:/mnt/c/Users/user/go/bin:/mnt/c/Users/user/AppData/Local/Programs/IPFS Desktop/resources/app.asar.unpacked/src/ipfs-on-path/scripts/bin-win:/mnt/c/Program Files/7-Zip:/mnt/c/WINDOWS/System32/WindowsPowerShell/v1.0:/mnt/c/Users/user/AppData/Local/Programs/Microsoft VS Code/bin:/snap/bin', 'VIRTUALENVWRAPPER_HOOK_DIR': '/home/user/.virtualenvs', , 'HOSTTYPE': 'x86_64', 'WT_PROFILE_ID': '*****', 'OLDPWD': ***, '_': '/home/user/.virtualenvs/jupyterlab3/bin/voila', <ENV_VARIABLE.SCRIPT_NAME: 'SCRIPT_NAME'>: '/', <ENV_VARIABLE.PATH_INFO: 'PATH_INFO'>: '', <ENV_VARIABLE.QUERY_STRING: 'QUERY_STRING'>: '', <ENV_VARIABLE.SERVER_SOFTWARE: 'SERVER_SOFTWARE'>: 'voila/0.4.0', <ENV_VARIABLE.SERVER_PROTOCOL: 'SERVER_PROTOCOL'>: 'HTTP/1.1', <ENV_VARIABLE.SERVER_PORT: 'SERVER_PORT'>: '8866', <ENV_VARIABLE.SERVER_NAME: 'SERVER_NAME'>: 'localhost', <ENV_VARIABLE.VOILA_PREHEAT: 'VOILA_PREHEAT'>: 'False', <ENV_VARIABLE.VOILA_BASE_URL: 'VOILA_BASE_URL'>: '/', <ENV_VARIABLE.VOILA_SERVER_URL: 'VOILA_SERVER_URL'>: '/'}, 'cwd': ''}
[Voila] Template paths:
/home/user/.virtualenvs/jupyterlab3/share/jupyter/voila/templates/lab
/home/user/.virtualenvs/jupyterlab3/share/jupyter/nbconvert/templates/lab
/home/user/.virtualenvs/jupyterlab3/share/jupyter/voila/templates/base
/home/user/.virtualenvs/jupyterlab3/share/jupyter/nbconvert/templates/base
/home/user/.virtualenvs/jupyterlab3/share/jupyter
/home/user/.virtualenvs/jupyterlab3/share/jupyter/voila/templates
/home/user/.virtualenvs/jupyterlab3/share/jupyter/nbconvert/templates
/home/user/.local/share/jupyter
/home/user/.local/share/jupyter/voila/templates
/home/user/.local/share/jupyter/nbconvert/templates
/usr/local/share/jupyter
/usr/local/share/jupyter/voila/templates
/usr/local/share/jupyter/nbconvert/templates
/usr/share/jupyter
/usr/share/jupyter/voila/templates
/usr/share/jupyter/nbconvert/templates
[Voila] Applying preprocessor: TagRemovePreprocessor
[Voila] Applying preprocessor: RegexRemovePreprocessor
[Voila] Applying preprocessor: coalesce_streams
[Voila] Applying preprocessor: HighlightMagicsPreprocessor
[Voila] Applying preprocessor: CSSHTMLHeaderPreprocessor
[Voila] Attempting to load template index.html.j2
[Voila] template_paths: /home/user/.virtualenvs/jupyterlab3/share/jupyter/voila/templates/lab:/home/user/.virtualenvs/jupyterlab3/share/jupyter/nbconvert/templates/lab:/home/user/.virtualenvs/jupyterlab3/share/jupyter/voila/templates/base:/home/user/.virtualenvs/jupyterlab3/share/jupyter/nbconvert/templates/base:/home/user/.virtualenvs/jupyterlab3/share/jupyter:/home/user/.virtualenvs/jupyterlab3/share/jupyter/voila/templates:/home/user/.virtualenvs/jupyterlab3/share/jupyter/nbconvert/templates:/home/user/.local/share/jupyter:/home/user/.local/share/jupyter/voila/templates:/home/user/.local/share/jupyter/nbconvert/templates:/usr/local/share/jupyter:/usr/local/share/jupyter/voila/templates:/usr/local/share/jupyter/nbconvert/templates:/usr/share/jupyter:/usr/share/jupyter/voila/templates:/usr/share/jupyter/nbconvert/templates
[Voila] connecting iopub channel to tcp://127.0.0.1:44209
[Voila] Connecting to: tcp://127.0.0.1:44209
[Voila] connecting shell channel to tcp://127.0.0.1:51913
[Voila] Connecting to: tcp://127.0.0.1:51913
[Voila] connecting stdin channel to tcp://127.0.0.1:53451
[Voila] Connecting to: tcp://127.0.0.1:53451
[Voila] connecting heartbeat channel to tcp://127.0.0.1:59341
[Voila] connecting control channel to tcp://127.0.0.1:56117
[Voila] Connecting to: tcp://127.0.0.1:56117
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: stream
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: stream
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: stream
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: stream
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: stream
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: stream
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: stream
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: stream
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: stream
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (starting)
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (busy)
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (idle)
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (busy)
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (idle)
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (busy)
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (idle)
[Voila] Executing cell:
from ipywidgets import Button
Button(description="button 1")
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (busy)
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: execute_input
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (idle)
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (busy)
[Voila] msg_type: status
[Voila] content: {'execution_state': 'busy'}
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: execute_input
[Voila] msg_type: execute_input
[Voila] content: {'code': 'from ipywidgets import Button\nButton(description="button 1")', 'execution_count': 1}
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: comm_open
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: comm_open
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: comm_open
[Voila] msg_type: comm_open
[Voila] content: {'data': {'state': {'_model_module': '@jupyter-widgets/base', '_model_module_version': '1.2.0', '_model_name': 'LayoutModel', '_view_count': None, '_view_module': '@jupyter-widgets/base', '_view_module_version': '1.2.0', '_view_name': 'LayoutView', 'align_content': None, 'align_items': None, 'align_self': None, 'border': None, 'bottom': None, 'display': None, 'flex': None, 'flex_flow': None, 'grid_area': None, 'grid_auto_columns': None, 'grid_auto_flow': None, 'grid_auto_rows': None, 'grid_column': None, 'grid_gap': None, 'grid_row': None, 'grid_template_areas': None, 'grid_template_columns': None, 'grid_template_rows': None, 'height': None, 'justify_content': None, 'justify_items': None, 'left': None, 'margin': None, 'max_height': None, 'max_width': None, 'min_height': None, 'min_width': None, 'object_fit': None, 'object_position': None, 'order': None, 'overflow': None, 'overflow_x': None, 'overflow_y': None, 'padding': None, 'right': None, 'top': None, 'visibility': None, 'width': None}, 'buffer_paths': []}, 'comm_id': '37632a44b6ff4351ad597e9d63b621c1', 'target_name': 'jupyter.widget', 'target_module': None}
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: display_data
[Voila] msg_type: comm_open
[Voila] content: {'data': {'state': {'_model_module': '@jupyter-widgets/controls', '_model_module_version': '1.5.0', '_model_name': 'ButtonStyleModel', '_view_count': None, '_view_module': '@jupyter-widgets/base', '_view_module_version': '1.2.0', '_view_name': 'StyleView', 'button_color': None, 'font_weight': ''}, 'buffer_paths': []}, 'comm_id': '31c8687822a24ee6b4ce7a76d7249f54', 'target_name': 'jupyter.widget', 'target_module': None}
[Voila] msg_type: comm_open
[Voila] content: {'data': {'state': {'_dom_classes': [], '_model_module': '@jupyter-widgets/controls', '_model_module_version': '1.5.0', '_model_name': 'ButtonModel', '_view_count': None, '_view_module': '@jupyter-widgets/controls', '_view_module_version': '1.5.0', '_view_name': 'ButtonView', 'button_style': '', 'description': 'button 1', 'disabled': False, 'icon': '', 'layout': 'IPY_MODEL_37632a44b6ff4351ad597e9d63b621c1', 'style': 'IPY_MODEL_31c8687822a24ee6b4ce7a76d7249f54', 'tooltip': ''}, 'buffer_paths': []}, 'comm_id': '7fb88a2931c14431b0b56a16e5582c90', 'target_name': 'jupyter.widget', 'target_module': None}
[Voila] msg_type: display_data
[Voila] content: {'data': {'text/plain': "Button(description='button 1', style=ButtonStyle())", 'application/vnd.jupyter.widget-view+json': {'version_major': 2, 'version_minor': 0, 'model_id': '7fb88a2931c14431b0b56a16e5582c90'}}, 'metadata': {}, 'transient': {}}
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (idle)
[Voila] msg_type: status
[Voila] content: {'execution_state': 'idle'}
[Voila] Skipping non-executing cell 1
/home/user/.virtualenvs/jupyterlab3/lib/python3.8/site-packages/jupyter_server/base/handlers.py:197: UserWarning: The Tornado web application does not have an 'authorizer' defined in its settings. In future releases of jupyter_server, this will be a required key for all subclasses of
JupyterHandler. For an example, see the jupyter_server source code for how to add an authorizer to the tornado settings: https://github.com/jupyter-server/jupyter_server/blob/653740cbad7ce0c8a8752ce83e4d3c2c754b13cb/jupyter_server/serverapp.py#L234-L256warnings.warn(
[Voila] Initializing websocket connection /api/kernels/eb48a2bb-76ed-47b3-9f53-6181abd3857e/channels
[Voila] Requesting kernel info from eb48a2bb-76ed-47b3-9f53-6181abd3857e
[Voila] Connecting to: tcp://127.0.0.1:51913
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (busy)
[Voila] Received kernel info: {'status': 'ok', 'protocol_version': '5.3', 'implementation': 'ipython', 'implementation_version': '8.4.0', 'language_info': {'name': 'python', 'version': '3.8.10', 'mimetype': 'text/x-python', 'codemirror_mode': {'name': 'ipython', 'version': 3}, 'pygments_lexer': 'ipython3', 'nbconvert_exporter': 'python', 'file_extension': '.py'}, 'banner': "Python 3.8.10 (default, Jun 22 2022, 20:18:18) \nType 'copyright', 'credits' or 'license' for more information\nIPython 8.4.0 -- An enhanced Interactive Python. Type '?' for help.\n", 'help_links': [{'text': 'Python Reference', 'url': 'https://docs.python.org/3.8'}, {'text': 'IPython Reference', 'url': 'https://ipython.org/documentation.html'}, {'text': 'NumPy Reference', 'url': 'https://docs.scipy.org/doc/numpy/reference/'}, {'text': 'SciPy Reference', 'url': 'https://docs.scipy.org/doc/scipy/reference/'}, {'text': 'Matplotlib Reference', 'url': 'https://matplotlib.org/contents.html'}, {'text': 'SymPy Reference', 'url': 'http://docs.sympy.org/latest/index.html'}, {'text': 'pandas Reference', 'url': 'https://pandas.pydata.org/pandas-docs/stable/'}]}
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (idle)
[Voila] Opening websocket /api/kernels/eb48a2bb-76ed-47b3-9f53-6181abd3857e/channels
[Voila] Getting buffer for eb48a2bb-76ed-47b3-9f53-6181abd3857e
[Voila] Connecting to: tcp://127.0.0.1:44209
[Voila] Connecting to: tcp://127.0.0.1:51913
[Voila] Connecting to: tcp://127.0.0.1:56117
[Voila] Connecting to: tcp://127.0.0.1:53451
[Voila] Connecting to: tcp://127.0.0.1:51913
[Voila] Connecting to: tcp://127.0.0.1:56117
[Voila] Nudge: attempt 1 on kernel eb48a2bb-76ed-47b3-9f53-6181abd3857e
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (busy)
[Voila] Nudge: IOPub received: eb48a2bb-76ed-47b3-9f53-6181abd3857e
[Voila] Nudge: resolving iopub future: eb48a2bb-76ed-47b3-9f53-6181abd3857e
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (busy)
[Voila] Nudge: shell info reply received: eb48a2bb-76ed-47b3-9f53-6181abd3857e
[Voila] Nudge: resolving shell future: eb48a2bb-76ed-47b3-9f53-6181abd3857e
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (idle)
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (idle)
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (busy)
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (idle)
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (busy)
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (idle)
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (busy)
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: comm_msg
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (idle)
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (busy)
[Voila] activity on eb48a2bb-76ed-47b3-9f53-6181abd3857e: status (idle)
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