René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Problems caused by changes to logic of scatter coloring in matplotlib 3.3.0.rc1","articleBody":"### Bug report\r\n\r\n**Bug summary**\r\n\r\nNot a bug as much as a change in behavior that causes downstream issues.\r\n\r\nhttps://github.com/matplotlib/matplotlib/pull/17543 changes the values set for the `facecolors` and `edgecolors` of \"unfilled\" marker in scatter.\r\n\r\nThese changes break seaborn, which relies in several places on `scatter` setting `facecolors` for both filled and unfilled markers.\r\n\r\nseaborn can work around the issue in a new release, but at the moment there is no user-facing workaround I can suggest, and the changes mean that all seaborn scatterplots with an unfilled marker will be blank.\r\n\r\n**Code for reproduction**\r\n\r\n```python\r\nimport matplotlib.pyplot as plt\r\nplt.scatter([0], [0], marker=\"+\").get_facecolors()\r\n```\r\n\r\n**Actual outcome**\r\n\r\nWith 3.3.0.rc1\r\n\r\n```python\r\narray([], shape=(0, 4), dtype=float64)\r\n```\r\n\r\n**Expected outcome**\r\n\r\nWith 3.2.2\r\n\r\n```python\r\narray([[0.12156863, 0.46666667, 0.70588235, 1.        ]])\r\n```\r\n\r\nxref https://github.com/mwaskom/seaborn/issues/2159","author":{"url":"https://github.com/mwaskom","@type":"Person","name":"mwaskom"},"datePublished":"2020-07-06T20:50:24.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":11},"url":"https://github.com/17849/matplotlib/issues/17849"}