René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"mpl2.0.1 seems to have broken Qt4Agg","articleBody":"mpl2.0 was OK\r\nThis is fedora 25\r\nmpl updated via pip\r\npython3.5.2\r\nswitch to Qt5Agg works\r\n\r\n```\r\nimport numpy as np\r\nimport matplotlib.pyplot as plt\r\nplt.plot (np.arange(10))\r\nplt.show()\r\n```\r\n\r\n python3 ./test_mpl.py \r\nTraceback (most recent call last):\r\n  File \"./test_mpl.py\", line 3, in \u003cmodule\u003e\r\n    plt.plot (np.arange(10))\r\n  File \"/home/nbecker/.local/lib/python3.5/site-packages/matplotlib/pyplot.py\", line 3306, in plot\r\n    ax = gca()\r\n  File \"/home/nbecker/.local/lib/python3.5/site-packages/matplotlib/pyplot.py\", line 950, in gca\r\n    return gcf().gca(**kwargs)\r\n  File \"/home/nbecker/.local/lib/python3.5/site-packages/matplotlib/pyplot.py\", line 586, in gcf\r\n    return figure()\r\n  File \"/home/nbecker/.local/lib/python3.5/site-packages/matplotlib/pyplot.py\", line 535, in figure\r\n    **kwargs)\r\n  File \"/home/nbecker/.local/lib/python3.5/site-packages/matplotlib/backends/backend_qt4agg.py\", line 46, in new_figure_manager\r\n    return new_figure_manager_given_figure(num, thisFig)\r\n  File \"/home/nbecker/.local/lib/python3.5/site-packages/matplotlib/backends/backend_qt4agg.py\", line 54, in new_figure_manager_given_figure\r\n    return FigureManagerQT(canvas, num)\r\n  File \"/home/nbecker/.local/lib/python3.5/site-packages/matplotlib/backends/backend_qt5.py\", line 488, in __init__\r\n    self.toolbar = self._get_toolbar(self.canvas, self.window)\r\n  File \"/home/nbecker/.local/lib/python3.5/site-packages/matplotlib/backends/backend_qt5.py\", line 539, in _get_toolbar\r\n    toolbar = NavigationToolbar2QT(canvas, parent, False)\r\n  File \"/home/nbecker/.local/lib/python3.5/site-packages/matplotlib/backends/backend_qt5.py\", line 585, in __init__\r\n    NavigationToolbar2.__init__(self, canvas)\r\n  File \"/home/nbecker/.local/lib/python3.5/site-packages/matplotlib/backend_bases.py\", line 2760, in __init__\r\n    self._init_toolbar()\r\n  File \"/home/nbecker/.local/lib/python3.5/site-packages/matplotlib/backends/backend_qt5.py\", line 601, in _init_toolbar\r\n    a = self.addAction(self._icon(image_file + '.png'),\r\n  File \"/home/nbecker/.local/lib/python3.5/site-packages/matplotlib/backends/backend_qt5.py\", line 591, in _icon\r\n    pm.setDevicePixelRatio(self.canvas._dpi_ratio)\r\nAttributeError: 'QPixmap' object has no attribute 'setDevicePixelRatio'\r\n","author":{"url":"https://github.com/nbecker","@type":"Person","name":"nbecker"},"datePublished":"2017-05-03T14:01:18.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/8563/matplotlib/issues/8563"}