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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"3.10 Matplotlib Incompatable with ProPlot","articleBody":"Posting this Issue so that people can be aware of it and perhaps fix it.  I recently downloaded Matplotlib and ProPlot lately and ran into an issue.  Here is a screenshot of this error using an example block of code (along with versions)\n\n![Image](https://github.com/user-attachments/assets/09faf725-1ca7-403c-a0ed-34825580991f)\n\nIt appears that from my Googling that the latest Matplotlib (I think v3.10) removed the \"collections\" attribute from the QuadContourSet class.  See the link below:\n\nhttps://discourse.matplotlib.org/t/collections-attribute-deprecation-in-version-3-8/24164/12\n\nThe key error is: AttributeError: 'QuadContourSet' object has no attribute 'collections' contourf\n\nThe version of ProPlot I'm using is the one recommended in the Issues that is compatible with more up-to-date packages.  (pip install git+https://github.com/proplot-dev/proplot.git@refs/pull/459/head).  It appears that downgrading Matplotlib to 3.8 can fix this issue.","author":{"url":"https://github.com/wblumberg","@type":"Person","name":"wblumberg"},"datePublished":"2025-03-26T21:00:55.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/472/proplot/issues/472"}