René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: possible regression in axis ticks handling in matplotlib 3.6.0rc2","articleBody":"### Bug summary\r\n\r\nWhile running image tests for yt, I noticed a change of behaviour that bisects to \r\n[2357c92d87d96d519c8470776e76180e71663d0b](https://github.com/matplotlib/matplotlib/commit/2357c92d87d96d519c8470776e76180e71663d0b) (PR #22587)\r\nand that I'm not 100% sure is intentional, where parameters set with `Axis.tick_params` are forgotten after a call to `Axes.cla`.\r\n\r\nIn yt we use persistent `Axis` instances inside container classes; we typically set some `tick_params` during instantiation of the container, and defer rendering as much as possible, at which point `Axis` instances may be cleared before the plot is drawn again.\r\n\r\nI think this can easily be fixed in yt, but I wanted to check with you wether this change was intented or not.\r\n\r\n\r\n### Code for reproduction\r\n\r\n```python\r\nimport matplotlib as mpl\r\nimport matplotlib.pyplot as plt\r\n\r\nfig, ax = plt.subplots()\r\nax.tick_params(which=\"both\", axis=\"both\", direction=\"in\", top=True, right=True)\r\nax.cla()\r\nfig.savefig(f\"/tmp/{mpl.__version__}.png\")\r\n```\r\n\r\n\r\n### Actual outcome\r\n\r\n![3 6 0 dev3625+g25b39d41d3](https://user-images.githubusercontent.com/14075922/188493019-33cfd10b-c1b8-46d7-b6c2-7a9be5b566ef.png)\r\n\r\n\r\n### Expected outcome\r\n\r\nwith matplotlib 3.5\r\n![3 5 0rc2 dev89+g6e95e7bf54](https://user-images.githubusercontent.com/14075922/188493230-b991a409-cf0c-401a-8c4a-c5b83d19cd2a.png)\r\n\r\n\r\n### Additional information\r\n\r\n_No response_\r\n\r\n### Operating system\r\n\r\nN/A\r\n\r\n### Matplotlib Version\r\n\r\n3.6 VS 3.5\r\n\r\n### Matplotlib Backend\r\n\r\nMacOSX (but also seeing this on a Linux CI server)\r\n\r\n### Python version\r\n\r\n3.10.4\r\n\r\n### Jupyter version\r\n\r\nN/A\r\n\r\n### Installation\r\n\r\npip","author":{"url":"https://github.com/neutrinoceros","@type":"Person","name":"neutrinoceros"},"datePublished":"2022-09-05T17:14:48.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":7},"url":"https://github.com/23806/matplotlib/issues/23806"}