René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"TkAgg reports bad option 'foobar' for icon with `logging` set to INFO level","articleBody":"**Bug summary**\r\n\r\nTkAgg reports bad option 'foobar' for icon with `logging` set to INFO level.  The code in question is located here:\r\n\r\nhttps://github.com/matplotlib/matplotlib/blob/d420e66c776becfcf489a0181acf5b777da9f9ea/lib/matplotlib/backends/_backend_tk.py\r\n\r\nalthough I do not see where this `foobar` argument is coming from.\r\n\r\n**Code for reproduction**\r\n\r\n```python\r\nimport matplotlib.pyplot as plt\r\nimport logging \r\nlogging.basicConfig(level=logging.INFO, datefmt='%m-%d %H:%M')\r\nimport numpy as np\r\nplt.switch_backend('TkAgg')\r\nplt.figure()\r\nplt.plot( np.arange(24), np.linspace(-np.pi,np.pi,24), '+-')\r\nplt.show(block=True)\r\n```\r\n\r\n**Actual outcome**\r\n\r\n```\r\nINFO:matplotlib.backends._backend_tk:Could not load matplotlib icon: bad option \"foobar\": must be aspect, attributes, client, colormapwindows, command, deiconify, focusmodel, forget, frame, geometry, grid, group, iconbitmap, iconify, iconmask, iconname, iconphoto, iconposition, iconwindow, manage, maxsize, minsize, overrideredirect, positionfrom, protocol, resizable, sizefrom, stackorder, state, title, transient, or withdraw\r\n```\r\n\r\n**Expected outcome**\r\n\r\nNothing.\r\n\r\n**Matplotlib version**\r\n\r\n  * Operating system: Windows 10\r\n  * Matplotlib version: 2.2.0\r\n  * Matplotlib backend (`print(matplotlib.get_backend())`): TkAgg\r\n  * Python version: 3.6.3 Anaconda\r\n  * Jupyter version (if applicable): N/A\r\n  * Other libraries: TkInter version 8.6\r\n\r\nInstalled via `pip install` yesterday.\r\n\r\n","author":{"url":"https://github.com/robbmcleod","@type":"Person","name":"robbmcleod"},"datePublished":"2018-03-14T17:44:36.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/10785/matplotlib/issues/10785"}