René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"_tkinter.TclError: can't invoke \"wm\" command: application has been destroyed","articleBody":"Install\r\n```sudo python -mpip install -U matplotlib```\r\n\u003eSuccessfully installed matplotlib-2.1.2\r\n\r\nCode\r\n```\r\n    plt.show()\r\n    fig.savefig('./result.png',bbox_inches='tight')  # save the figure to file\r\n    plt.close(fig)  # close the figure\r\n```\r\nOS: Ubuntu 16.04, \r\nThe error:\r\n```\r\nfig.savefig('./result.png',bbox_inches='tight')  # save the figure to file\r\n  File \"/usr/local/lib/python2.7/dist-packages/matplotlib/figure.py\", line 1834, in savefig\r\n    self.canvas.print_figure(fname, **kwargs)\r\n  File \"/usr/local/lib/python2.7/dist-packages/matplotlib/backend_bases.py\", line 2188, in print_figure\r\n    self.figure.dpi = dpi\r\n  File \"/usr/local/lib/python2.7/dist-packages/matplotlib/figure.py\", line 436, in _set_dpi\r\n    self.set_size_inches(w, h, forward=forward)\r\n  File \"/usr/local/lib/python2.7/dist-packages/matplotlib/figure.py\", line 745, in set_size_inches\r\n    manager.resize(int(canvasw), int(canvash))\r\n  File \"/usr/local/lib/python2.7/dist-packages/matplotlib/backends/backend_tkagg.py\", line 540, in resize\r\n    self.canvas._tkcanvas.master.geometry(\"%dx%d\" % (width, height))\r\n  File \"/usr/lib/python2.7/lib-tk/Tkinter.py\", line 1667, in wm_geometry\r\n    return self.tk.call('wm', 'geometry', self._w, newGeometry)\r\n_tkinter.TclError: can't invoke \"wm\" command: application has been destroyed\r\n```","author":{"url":"https://github.com/John1231983","@type":"Person","name":"John1231983"},"datePublished":"2018-01-22T02:33:26.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/10287/matplotlib/issues/10287"}