René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Edit figure parameters: TypeError: argument 1 has unexpected type 'list'","articleBody":"Using a tuple to designate a single colour in a plot command, like this:\n\n```\nplot(range(10), c=(0.5, 0.5, 0.5))\n```\n\nand then clicking on the \"Edit curves line and axes parameter\" button raises this TypeError:\n\n```\nTraceback (most recent call last):\n  File \"/home/mspacek/src/matplotlib/lib/matplotlib/backends/backend_qt4.py\", line 577, in edit_parameters\n    figureoptions.figure_edit(axes, self)\n  File \"/home/mspacek/src/matplotlib/lib/matplotlib/backends/qt4_editor/figureoptions.py\", line 134, in figure_edit\n    icon=get_icon('qt4_editor_options.svg'), apply=apply_callback)\n  File \"/home/mspacek/src/matplotlib/lib/matplotlib/backends/qt4_editor/formlayout.py\", line 514, in fedit\n    dialog = FormDialog(data, title, comment, icon, parent, apply)\n  File \"/home/mspacek/src/matplotlib/lib/matplotlib/backends/qt4_editor/formlayout.py\", line 431, in __init__\n    self.formwidget.setup()\n  File \"/home/mspacek/src/matplotlib/lib/matplotlib/backends/qt4_editor/formlayout.py\", line 403, in setup\n    widget.setup()\n  File \"/home/mspacek/src/matplotlib/lib/matplotlib/backends/qt4_editor/formlayout.py\", line 378, in setup\n    widget.setup()\n  File \"/home/mspacek/src/matplotlib/lib/matplotlib/backends/qt4_editor/formlayout.py\", line 285, in setup\n    field.addItems(value)\nTypeError: QComboBox.addItems(QStringList): argument 1 has unexpected type 'list'\n```\n\nThis is very related to #917.\n","author":{"url":"https://github.com/mspacek","@type":"Person","name":"mspacek"},"datePublished":"2013-01-20T23:39:51.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":5},"url":"https://github.com/1690/matplotlib/issues/1690"}