René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[MNT]: macosx subplot parameters multiple windows","articleBody":"### Summary\n\nIf you click the subplot parameters window twice on macosx I get a hardware failure instruction:\r\n```\r\npython[73461:18056878] *** Assertion failure in -[View dealloc], /AppleInternal/BuildRoot/Library/Caches/com.apple.xbs/Sources/AppKit/AppKit-1894.60.105/AppKit.subproj/NSView.m:1682\r\n[1]    73461 illegal hardware instruction\r\n```\r\n\r\nOn qt5agg, the original window closes, and a new subplot parameter window is opened.\r\n\r\nWith the update in #21663, the hardware failure instruction goes away, but now a new window is opened every time.\n\n### Proposed fix\n\nFor macosx, we should probably close the subplots parameters window and create a new one to be consistent with the qt5agg backend.","author":{"url":"https://github.com/greglucas","@type":"Person","name":"greglucas"},"datePublished":"2021-11-19T14:34:59.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/21680/matplotlib/issues/21680"}