René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"key_press_handler(): NameError: global name 'self' is not defined","articleBody":"Hitting the 'f' key on a figure raises this error:\n\n```\nIn [2]: Traceback (most recent call last):\n  File \"/home/mspacek/src/matplotlib/lib/matplotlib/backends/backend_qt4.py\", line 238, in keyPressEvent\n    FigureCanvasBase.key_press_event( self, key )\n  File \"/home/mspacek/src/matplotlib/lib/matplotlib/backend_bases.py\", line 1608, in key_press_event\n    self.callbacks.process(s, event)\n  File \"/home/mspacek/src/matplotlib/lib/matplotlib/cbook.py\", line 312, in process\n    proxy(*args, **kwargs)\n  File \"/home/mspacek/src/matplotlib/lib/matplotlib/cbook.py\", line 239, in __call__\n    return mtd(*args, **kwargs)\n  File \"/home/mspacek/src/matplotlib/lib/matplotlib/backend_bases.py\", line 2418, in key_press\n    key_press_handler(event, self.canvas, self.canvas.toolbar)\n  File \"/home/mspacek/src/matplotlib/lib/matplotlib/backend_bases.py\", line 2315, in key_press_handler\n    self.full_screen_toggle()\nNameError: global name 'self' is not defined\n```\n\n`self` should probably be `canvas.manager`.\n","author":{"url":"https://github.com/mspacek","@type":"Person","name":"mspacek"},"datePublished":"2012-06-04T10:38:59.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/918/matplotlib/issues/918"}