emacs-jupyter/jupyter

process-live-p fails on MacOS Catalina

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#209 opened on Dec 20, 2019

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help wanted

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Description

After debugging previously, the current version was stable on my computer until I updated both to Catalina and the new version of emacs-jupyter. The error I get when I try to execute a simple python command is

executing Python code block (packages)...
Starting py kernel process...done
cl--assertion-failed: Assertion failed: (process-live-p process)

Evaluating (jupyter-completing-read-kernelspec) works fine and I can find my jupyter kernels. Perhaps jupyter is failing to start? I am unsure whether the issue lies with Mojave or with the emacs-jupyter.

Contributor guide

Research direction
Investigate why `process live p` fails when starting the Jupyter kernel process on MacOS Catalina. Trace the process creation code, compare with the previous working version, and check if any environment variables or system changes affect process startup.
Tech stack
None
Domain
backend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
Emacs LispJupyterGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50