KernelRestarter : Request failed with 400

[jonathan-morton]

I am trying to get the Jupyter Notebook tutorial setup and working. I got Jupyter installed and running but am getting the following error when I open up the notebook

[I 06:02:21.418 NotebookApp] KernelRestarter: restarting kernel (5/5), new random ports
hass_pyscript_kernel: request failed with 400: Bad Request (url=http://homeassistant.local:8123/api/services/pyscript/jupyter_kernel_start)
[W 06:02:24.444 NotebookApp] KernelRestarter: restart failed
[W 06:02:24.445 NotebookApp] Kernel f6d2d554-0dfe-4c8b-badc-88de1cb5f3d4 died, removing from map.
[W 06:02:27.369 NotebookApp] Replacing stale connection: f6d2d554-0dfe-4c8b-badc-88de1cb5f3d4:46d2cf2ef9074792910ef503c81bb201
[W 06:02:49.393 NotebookApp] Replacing stale connection: f6d2d554-0dfe-4c8b-badc-88de1cb5f3d4:46d2cf2ef9074792910ef503c81bb201
[W 06:03:06.356 NotebookApp] Timeout waiting for kernel_info reply from f6d2d554-0dfe-4c8b-badc-88de1cb5f3d4
[E 06:03:06.359 NotebookApp] Error opening stream: HTTP 404: Not Found (Kernel does not exist: f6d2d554-0dfe-4c8b-badc-88de1cb5f3d4)
[W 06:03:06.361 NotebookApp] 404 GET /api/kernels/f6d2d554-0dfe-4c8b-badc-88de1cb5f3d4/channels?session_id=46d2cf2ef9074792910ef503c81bb201 (127.0.0.1): Kernel does not exist: f6d2d554-0dfe-4c8b-badc-88de1cb5f3d4

The output from the verifications

$ jupyter kernelspec list
0.00s - Debugger warning: It seems that frozen modules are being used, which may
0.00s - make the debugger miss breakpoints. Please pass -Xfrozen_modules=off
0.00s - to python to disable frozen modules.
0.00s - Note: Debugging will proceed. Set PYDEVD_DISABLE_FILE_VALIDATION=1 to disable this validation.
Available kernels:
  python3     /Users/me/.virtualenvs/home-assistant-pyscript/share/jupyter/kernels/python3
  enova       /Users/me/Library/Jupyter/kernels/enova
  pycharm     /Users/me/Library/Jupyter/kernels/pycharm
  pyscript    /Users/me/Library/Jupyter/kernels/pyscript

$ jupyter pyscript info
hass_pyscript_kernel version 1.0.0 installed
Kernel pyscript installed in /Users/me/Library/Jupyter/kernels/pyscript
Config settings from /Users/me/Library/Jupyter/kernels/pyscript/pyscript.conf:
    hass_host = homeassistant.local
    hass_url = http://homeassistant.local:8123
    hass_token = eyJhbXXXX
    hass_proxy = None

[jonathan-morton]

🤦
Required a full restart of Home Assistant after editing the configuration.yaml and I had simply done a quick reload.