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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Bug causes to_rgba to fail inside cm.py","articleBody":"I was running a test with some new images and plotting, code called cm.to_rgba() to convert the files for keras processing.\r\n\r\nMatplotlib 2.1.2 (but verified in the current repository)\r\n\r\nIt 'works' however it throws an error, by mistake due to this error in code:\r\n```\r\n                if xx.dtype.kind == 'f':\r\n                    if norm and xx.max() \u003e 1 or xx.min() \u003c 0:\r\n                        raise ValueError(\"Floating point image RGB values \"\r\n                                         \"must be in the 0..1 range.\")\r\n```\r\n\r\nIf xx.min() \u003c0 then this code piece triggers.\r\n\r\nShould be:\r\n```\r\n                if xx.dtype.kind == 'f':\r\n                    if norm and (xx.max() \u003e 1 or xx.min() \u003c 0):\r\n                        raise ValueError(\"Floating point image RGB values \"\r\n                                         \"must be in the 0..1 range.\")\r\n```\r\n\r\nSorry.. not familiar enough with making pull requests and changes myself to do this!\r\n","author":{"url":"https://github.com/Eagleames","@type":"Person","name":"Eagleames"},"datePublished":"2018-03-27T14:19:51.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":19},"url":"https://github.com/10890/matplotlib/issues/10890"}