René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"ValueError after moving legend  and rcParams.update","articleBody":"Minimal example:\n\n```\nimport matplotlib.pyplot as plt\n%matplotlib inline\nimport numpy as np\n\nN = 100\nx = np.arange(N)\nplt.scatter(x,  x+ np.random.randn(N), label = \"tips\")\nplt.legend()\nax = plt.gca()\n\n# Locate the legend to the optimal position (automatic location does not work)\nlegend = ax.get_legend()\nlabels = (x.get_text() for x in legend.get_texts())\nax.legend(legend.legendHandles, labels, loc='lower right')\n\n# Reset parameters\nplt.matplotlib.rcParams.update(plt.matplotlib.rcParamsDefault)\n\n# Plot again\nplt.plot([0,1], [0,1])\n```\n\nProduces error:\n\n```\n---------------------------------------------------------------------------\nValueError                                Traceback (most recent call last)\n/usr/local/lib/python3.4/dist-packages/IPython/core/formatters.py in __call__(self, obj)\n    335                 pass\n    336             else:\n--\u003e 337                 return printer(obj)\n    338             # Finally look for special method names\n    339             method = _safe_get_formatter_method(obj, self.print_method)\n\n/usr/local/lib/python3.4/dist-packages/IPython/core/pylabtools.py in \u003clambda\u003e(fig)\n    205 \n    206     if 'png' in formats:\n--\u003e 207         png_formatter.for_type(Figure, lambda fig: print_figure(fig, 'png', **kwargs))\n    208     if 'retina' in formats or 'png2x' in formats:\n    209         png_formatter.for_type(Figure, lambda fig: retina_figure(fig, **kwargs))\n\n/usr/local/lib/python3.4/dist-packages/IPython/core/pylabtools.py in print_figure(fig, fmt, bbox_inches, **kwargs)\n    115 \n    116     bytes_io = BytesIO()\n--\u003e 117     fig.canvas.print_figure(bytes_io, **kw)\n    118     data = bytes_io.getvalue()\n    119     if fmt == 'svg':\n\n/usr/local/lib/python3.4/dist-packages/matplotlib/backend_bases.py in print_figure(self, filename, dpi, facecolor, edgecolor, orientation, format, **kwargs)\n   2149         origedgecolor = self.figure.get_edgecolor()\n   2150 \n-\u003e 2151         self.figure.dpi = dpi\n   2152         self.figure.set_facecolor(facecolor)\n   2153         self.figure.set_edgecolor(edgecolor)\n\n/usr/local/lib/python3.4/dist-packages/matplotlib/figure.py in _set_dpi(self, dpi)\n    409     def _set_dpi(self, dpi):\n    410         self._dpi = dpi\n--\u003e 411         self.dpi_scale_trans.clear().scale(dpi, dpi)\n    412         self.callbacks.process('dpi_changed', self)\n    413     dpi = property(_get_dpi, _set_dpi)\n\n/usr/local/lib/python3.4/dist-packages/matplotlib/transforms.py in scale(self, sx, sy)\n   1993         scale_mtx = np.array(\n   1994             [[sx, 0.0, 0.0], [0.0, sy, 0.0], [0.0, 0.0, 1.0]],\n-\u003e 1995             np.float_)\n   1996         self._mtx = np.dot(scale_mtx, self._mtx)\n   1997         self.invalidate()\n\nValueError: could not convert string to float: 'figure'\n\n\u003cmatplotlib.figure.Figure at 0x7fc0f80c3860\u003e\n```\n- [ ] Matplotlib version, Python version and Platform (Windows, OSX, Linux ...)\n\n{'dirty': False,\n'error': None,\n'full-revisionid': 'c0728d23ca5adbff6b79cda3153d0d36bff12c55',\n'version': '1.5.1+1304.gc0728d2'}\n\nPython 3.4\nUbuntu 14\n- [ ] How did you install Matplotlib and Python (pip, anaconda, from source ...)\n  pip3 github\n","author":{"url":"https://github.com/DSLituiev","@type":"Person","name":"DSLituiev"},"datePublished":"2016-03-05T22:49:38.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/6113/matplotlib/issues/6113"}