René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: KeyError when hovering over interactive plot in ipython","articleBody":"### Bug summary\n\nWhen hovering over an interactive plot, multiple `KeyError: 'buttons'` messages fire.\n\n### Code for reproduction\n\n```Python\nimport matplotlib.pyplot as plt\n%matplotlib widget\n\nplt.plot([1, 2, 3, 4])\n```\n\n### Actual outcome\n\nKeyError: 'buttons'\n\n![Image](https://github.com/user-attachments/assets/236026ef-db61-42ce-ac95-1fafbdf2587f)\n\n### Expected outcome\n\nHovering works without error\n\n### Additional information\n\n_No response_\n\n### Operating system\n\n_No response_\n\n### Matplotlib Version\n\n3.10.0\n\n### Matplotlib Backend\n\n_No response_\n\n### Python version\n\n_No response_\n\n### Jupyter version\n\n_No response_\n\n### Installation\n\nNone","author":{"url":"https://github.com/lpilz","@type":"Person","name":"lpilz"},"datePublished":"2025-02-21T15:06:12.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":7},"url":"https://github.com/29654/matplotlib/issues/29654"}