403 GET /voila/files/None (127.0.0.1): File not allowlisted

[rblcoder]

Description

When I run a jupyter notebook using voila jupyter_notebook.ipynb which has ipywidgets, I get
403 GET /voila/files/None (127.0.0.1): File not allowlisted

Reproduce

Run a jupyter notebook using voila jupyter_notebook.ipynb which has ipywidgets

Expected behavior

The example here https://github.com/voila-dashboards/voila shows it should work with ipywidgets

Context

Installed the latest version of voila using pip install voila
Also, I am using Github codespaces.
I have changed
~/.jupyter/jupyter_notebook_config.py to add

c.NotebookApp.ip = '*'
c.NotebookApp.allow_origin = '*'

and
~/.jupyter/jupyter_server_config.py:

c.ServerApp.allow_origin = '*'
c.ServerApp.allow_remote_access = True

[joshy]

I have got the same problem, the page is empty. I am running voila with systemd. Example notebook is the basics one: https://github.com/voila-dashboards/voila/blob/main/notebooks/basics.ipynb. Any help is highly appreciated.

Installed libs are (from the production setup):

aiofiles==22.1.0
aiosqlite==0.18.0
ansiwrap==0.8.4
anyio==3.6.2
anywidget==0.9.0
appdirs==1.4.4
argon2-cffi==21.3.0
argon2-cffi-bindings==21.2.0
arrow==1.2.3
asttokens==2.2.1
async-lru==2.0.4
attrs==22.2.0
autopep8==2.0.2
Babel==2.11.0
backcall==0.2.0
beautifulsoup4==4.11.2
black==23.3.0
bleach==6.0.0
Brotli==1.0.9
certifi==2024.6.2
cffi==1.15.1
cfgv==3.3.1
charset-normalizer==3.0.1
click==8.1.3
comm==0.2.2
contourpy==1.0.7
cryptography==39.0.1
cssselect2==0.7.0
cx-Oracle==8.3.0
cycler==0.11.0
debugpy==1.6.6
decorator==5.1.1
defusedxml==0.7.1
distlib==0.3.6
entrypoints==0.4
et-xmlfile==1.1.0
exceptiongroup==1.2.1
executing==1.2.0
fastjsonschema==2.16.2
filelock==3.11.0
fonttools==4.39.3
fqdn==1.5.1
greenlet==2.0.1
h11==0.14.0
httpcore==1.0.5
httpx==0.27.0
identify==2.5.22
idna==3.4
install==1.3.5
ipykernel==6.21.1
ipython==8.9.0
ipython-genutils==0.2.0
ipywidgets==8.1.3
isoduration==20.11.0
isort==5.12.0
itables==1.5.2
jedi==0.18.2
Jinja2==3.1.2
json5==0.9.11
jsonpointer==2.3
jsonschema==4.19.1
jsonschema-specifications==2023.7.1
jupyter-events==0.10.0
jupyter-lsp==2.2.5
jupyter-ydoc==0.2.3
jupyter_client==8.6.2
jupyter_core==5.2.0
jupyter_server==2.14.1
jupyter_server_fileid==0.6.0
jupyter_server_terminals==0.4.4
jupyter_server_ydoc==0.8.0
jupyterlab==4.2.3
jupyterlab-pygments==0.2.2
jupyterlab_server==2.27.2
jupyterlab_widgets==3.0.11
kiwisolver==1.4.4
lxml==4.9.2
MarkupSafe==2.1.2
matplotlib==3.7.1
matplotlib-inline==0.1.6
mistune==2.0.5
munkres==1.1.4
mypy-extensions==1.0.0
nb-clean==3.2.0
nbclassic==0.5.1
nbclient==0.7.2
nbconvert==7.2.9
nbformat==5.9.2
nbqa==1.7.0
nest-asyncio==1.5.6
nodeenv==1.7.0
notebook==6.5.2
notebook_shim==0.2.2
numpy==1.24.2
openpyxl==3.1.2
overrides==7.4.0
packaging==23.0
pandas==2.1.1
pandocfilters==1.5.0
papermill==2.4.0
parso==0.8.3
pathspec==0.11.1
pexpect==4.8.0
pickleshare==0.7.5
Pillow==9.5.0
platformdirs==3.0.0
playwright==1.30.0
polars==0.20.23
pre-commit==3.2.2
prometheus-client==0.16.0
prompt-toolkit==3.0.36
psutil==5.9.4
psycopg2-binary==2.9.7
psygnal==0.11.0
ptyprocess==0.7.0
pure-eval==0.2.2
pyarrow==15.0.0
pyasn1==0.5.0
pyasn1-modules==0.3.0
pycodestyle==2.10.0
pycparser==2.21
pyee==9.0.4
Pygments==2.14.0
pymssql==2.2.7
pyobsplot==0.4.2
pyparsing==3.0.9
pyperclip==1.8.2
pyrsistent==0.19.3
python-dateutil==2.8.2
python-dotenv==1.0.0
python-json-logger==2.0.4
python-ldap==3.4.3
pytz==2022.7.1
PyYAML==6.0
pyzmq==25.0.0
referencing==0.30.2
requests==2.32.3
rfc3339-validator==0.1.4
rfc3986-validator==0.1.1
rpds-py==0.10.3
ruff==0.0.246
scipy==1.10.1
seaborn==0.13.2
Send2Trash==1.8.2
six==1.16.0
sniffio==1.3.0
soupsieve==2.3.2.post1
SQLAlchemy==2.0.9
stack-data==0.6.2
tenacity==8.2.0
terminado==0.17.1
textwrap3==0.9.2
tinycss2==1.2.1
tokenize-rt==5.0.0
tomli==2.0.1
tornado==6.2
tqdm==4.64.1
traitlets==5.9.0
typing_extensions==4.4.0
tzdata==2023.3
uri-template==1.2.0
urllib3==1.26.14
virtualenv==20.21.0
voila==0.5.7
watchfiles==0.21.0
wcwidth==0.2.6
webcolors==1.12
webencodings==0.5.1
websocket-client==1.8.0
websockets==10.4
widgetsnbextension==4.0.11
xlrd==2.0.1
xmltodict==0.13.0
y-py==0.5.5
ypy-websocket==0.8.2
zopfli==0.2.2

[joshy]

It is showing fine in jupyterlab. Now I tried the voila preview and I saw this message at the bottom:

File failed to load: https://jupyter.imaging.ms.uhbs.ch/static/nbclassic/components/MathJax/jax/output/HTML-CSS/fonts/STIX/fontdata.js

Maybe it is not the main reason...

[joshy]

The problem happens only if voila is started with systemd. If voila is started directly everything works fine.

[ishmeals]

seems to be from here

<!-- Load mathjax -->
    <script src="None?config=None"> </script>

Why does this happen? Are there extra steps to enable MathJax?