René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: Args for tripcolor","articleBody":"### Bug summary\r\nThanks for matplotlib! \r\n`tripcolor` fails if colors are passed with named argument i.e `c=values` instead of just `values`. The error is not very informative and it seems a dangerous practice to ignore `kwargs` and only use `args`.\r\n\r\n```bash\r\n  File \"/mnt/session_space/conda_envs/latest39/lib/python3.9/site-packages/matplotlib/tri/tripcolor.py\", line 57, in tripcolor\r\n    C = np.asarray(args[0])\r\nIndexError: list index out of range\r\n```\r\n\r\n### Code for reproduction\r\n\r\n```python\r\nplt.tripcolor(vertices[:,0], vertices[:,1], c=values, triangles=triangles)\r\n```\r\n\r\n### Actual outcome\r\n\r\n\r\n```bash\r\n  File \"/mnt/session_space/conda_envs/latest39/lib/python3.9/site-packages/matplotlib/tri/tripcolor.py\", line 57, in tripcolor\r\n    C = np.asarray(args[0])\r\nIndexError: list index out of range\r\n```\r\n\r\n### Expected outcome\r\n\r\na successful plot.\r\n\r\n### Additional information\r\n\r\n_No response_\r\n\r\n### Operating system\r\n\r\n_No response_\r\n\r\n### Matplotlib Version\r\n\r\n3.5.1\r\n\r\n### Matplotlib Backend\r\n\r\n_No response_\r\n\r\n### Python version\r\n\r\n_No response_\r\n\r\n### Jupyter version\r\n\r\n_No response_\r\n\r\n### Installation\r\n\r\n_No response_","author":{"url":"https://github.com/ThibaultGROUEIX","@type":"Person","name":"ThibaultGROUEIX"},"datePublished":"2022-01-24T13:37:27.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/22303/matplotlib/issues/22303"}