# \[Voila\] WARNING | Native kernel (python3) is not available

**URL:** <https://discourse.jupyter.org/t/voila-warning-native-kernel-python3-is-not-available/15233>\
**Category:** Kernels\
**Created:** [August 5, 2022, 4:38am UTC](https://discourse.jupyter.org/t/voila-warning-native-kernel-python3-is-not-available/15233 "2022-08-05T04:38:44Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Bradley](https://yyz1.discourse-cdn.com/flex031/user_avatar/discourse.jupyter.org/bradley/32/7665_2.png) [@Bradley](https://discourse.jupyter.org/u/Bradley)\
**Post date:** [August 5, 2022, 4:38am UTC](https://discourse.jupyter.org/t/voila-warning-native-kernel-python3-is-not-available/15233/1 "2022-08-05T04:38:44Z")

</div>

I have been able to run Jupyter notebooks pretty easily. I just installed Voila using pip install voila. Every time I try to open one of my notebooks with it I get this error:

_[Voila] WARNING | Notebook Untitled.ipynb is not trusted_

_[Voila] WARNING | Native kernel (python3) is not available_

_500 GET /voila/render/Untitled.ipynb? (::1): No Jupyter kernel for language ‘python’ found_

_500 GET /voila/render/Untitled.ipynb? (::1) 29.54ms_

and I just see a 500 internal server error on the screen, what should I do to fix this? I am using an M1 Mac if that’s relevant at all.

this is the pip list I have:

_anyio 3.6.1_  
_appnope 0.1.3_  
_argon2-cffi 21.3.0_  
_argon2-cffi-bindings 21.2.0_  
_asttokens 2.0.5_  
_attrs 22.1.0_  
_Babel 2.10.3_  
_backcall 0.2.0_  
_beautifulsoup4 4.11.1_  
_bleach 5.0.1_  
_Bottleneck 1.3.5_  
_brotlipy 0.7.0_  
_certifi 2022.6.15_  
_cffi 1.15.0_  
_charset-normalizer 2.0.4_  
_conda 4.13.0_  
_conda-content-trust 0+unknown_  
_conda-package-handling 1.8.1_  
_cryptography 37.0.1_  
_decorator 5.1.1_  
_defusedxml 0.7.1_  
_entrypoints 0.4_  
_executing 0.9.1_  
_fastjsonschema 2.16.1_  
_idna 3.3_  
_importlib-metadata 4.12.0_  
_ipython 8.4.0_  
_jedi 0.18.1_  
_Jinja2 3.1.2_  
_json5 0.9.9_  
_jsonschema 4.9.1_  
_jupyter-client 7.3.4_  
_jupyter-core 4.11.1_  
_jupyter-server 1.18.1_  
_jupyterlab-pygments 0.2.2_  
_jupyterlab-server 2.15.0_  
_MarkupSafe 2.1.1_  
_matplotlib-inline 0.1.3_  
_mistune 0.8.4_  
_nbclient 0.5.13_  
_nbconvert 6.5.0_  
_nbformat 5.4.0_  
_nest-asyncio 1.5.5_  
_numexpr 2.8.3_  
_numpy 1.23.0_  
_packaging 21.3_  
_pandas 1.4.3_  
_pandocfilters 1.5.0_  
_parso 0.8.3_  
_pexpect 4.8.0_  
_pickleshare 0.7.5_  
_pip 21.2.4_  
_prometheus-client 0.14.1_  
_prompt-toolkit 3.0.30_  
_ptyprocess 0.7.0_  
_pure-eval 0.2.2_  
_pycosat 0.6.3_  
_pycparser 2.21_  
_Pygments 2.12.0_  
_pyOpenSSL 22.0.0_  
_pyparsing 3.0.4_  
_pyrsistent 0.18.1_  
_PySocks 1.7.1_  
_python-dateutil 2.8.2_  
_pytz 2022.1_  
_pyzmq 23.2.0_  
_requests 2.27.1_  
_ruamel-yaml-conda 0.15.100_  
_Send2Trash 1.8.0_  
_setuptools 61.2.0_  
_six 1.16.0_  
_sniffio 1.2.0_  
_soupsieve 2.3.2.post1_  
_stack-data 0.3.0_  
_terminado 0.15.0_  
_tinycss2 1.1.1_  
_tornado 6.2_  
_tqdm 4.64.0_  
_traitlets 5.3.0_  
_urllib3 1.26.9_  
_voila 0.3.6_  
_wcwidth 0.2.5_  
_webencodings 0.5.1_  
_websocket-client 1.3.3_  
_websockets 10.3_  
_wheel 0.37.1_  
_zipp 3.8.1_

and I have Python version 3.9.12

---

<div class="post-metadata">

**Author:** ![Bradley](https://yyz1.discourse-cdn.com/flex031/user_avatar/discourse.jupyter.org/bradley/32/7665_2.png) [@Bradley](https://discourse.jupyter.org/u/Bradley)\
**Post date:** [August 5, 2022, 3:45pm UTC](https://discourse.jupyter.org/t/voila-warning-native-kernel-python3-is-not-available/15233/2 "2022-08-05T15:45:51Z")

</div>

Update:  
I got it working after installing ipykernel