René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"VPython hangs in Jupyter notebook inside VS Code","articleBody":"When running VPython inside a Jupyter notebook in VS Code, the code hangs indefinitely.\n\n**Minimal working example:**\n\n```python\nfrom vpython import *\nsphere()\n```\n\n**Expected behavior:**\nA 3D canvas should open and display a sphere.\n\n**Actual behavior:**\nThe line with sphere() runs forever without producing output. No error message appears.\n\n**Environment:**\n- Python version: 3.12.6\n- vpython version: 7.6.5\n- jupyterlab-vpython extension version: 3.1.8\n- OS: MacOS\n- VS Code version: 1.103.2\n\n**Additional info:**\n- The same code works correctly when run as a standalone Python script in VS Code.\n- The same code works in Jupyterlab outside of VS Code.","author":{"url":"https://github.com/ruboerner","@type":"Person","name":"ruboerner"},"datePublished":"2025-09-10T06:13:32.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/281/vpython-jupyter/issues/281"}