René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Test failure in matplotlib.tests.test_colors.test_cmap_and_norm_from_levels_and_colors2","articleBody":"```\n======================================================================\nERROR: matplotlib.tests.test_colors.test_cmap_and_norm_from_levels_and_colors2\n----------------------------------------------------------------------\nTraceback (most recent call last):\n  File \"/home/travis/virtualenv/python3.2/lib/python3.2/site-packages/nose/case.py\", line 198, in runTest\n    self.test(*self.arg)\n  File \"/home/travis/virtualenv/python3.2/lib/python3.2/site-packages/matplotlib-1.4.x-py3.2-linux-x86_64.egg/matplotlib/tests/test_colors.py\", line 134, in test_cmap_and_norm_from_levels_and_colors2\n    np.ma.array(1, mask=True): bad}),\nTypeError: unhashable type: 'MaskedArray'\n----------------------------------------------------------------------\n```\n\nProbably related to #2050.  Cc: @pelson\n","author":{"url":"https://github.com/mdboom","@type":"Person","name":"mdboom"},"datePublished":"2013-05-29T01:24:45.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/2075/matplotlib/issues/2075"}