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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Cannot run `setup.py build` with numpy master","articleBody":"Since numpy/numpy#7853 landed in master, running `python setup.py build` for matplotlib will now fail during the `build_ext` section:\n\n```\nrunning build_ext\nTraceback (most recent call last):\n  File \"setup.py\", line 304, in \u003cmodule\u003e\n    **extra_args\n  File \"/usr/lib/python2.7/distutils/core.py\", line 151, in setup\n    dist.run_commands()\n  File \"/usr/lib/python2.7/distutils/dist.py\", line 953, in run_commands\n    self.run_command(cmd)\n  File \"/usr/lib/python2.7/distutils/dist.py\", line 972, in run_command\n    cmd_obj.run()\n  File \"setup.py\", line 147, in run\n    return BuildExtCommand.run(self)\n  File \"/usr/local/lib/python2.7/dist-packages/setuptools/command/build_ext.py\", line 66, in run\n    _build_ext.run(self)\n  File \"/usr/local/lib/python2.7/dist-packages/Cython/Distutils/build_ext.py\", line 164, in run\n    _build_ext.build_ext.run(self)\n  File \"/usr/lib/python2.7/distutils/command/build_ext.py\", line 337, in run\n    self.build_extensions()\n  File \"/usr/local/lib/python2.7/dist-packages/Cython/Distutils/build_ext.py\", line 171, in build_extensions\n    ext.sources = self.cython_sources(ext.sources, ext)\n  File \"/usr/local/lib/python2.7/dist-packages/Cython/Distutils/build_ext.py\", line 242, in cython_sources\n    extension.include_dirs = list(extension.include_dirs)\n  File \"~/matplotlib/setupext.py\", line 910, in __get__\n    result = obj._hooks[self._name]() + result\n  File \"~/matplotlib/setupext.py\", line 937, in include_dirs_hook\n    reload(numpy)\n  File \"/usr/local/lib/python2.7/dist-packages/numpy-1.12.0.dev0+5130ef1-py2.7-linux-x86_64.egg/numpy/__init__.py\", line 117, in \u003cmodule\u003e\n    raise RuntimeError('Reloading numpy is not supported')\nRuntimeError: Reloading numpy is not supported\n```\n\nIt looks like the reload was introduced by https://github.com/matplotlib/matplotlib/pull/2445/commits/373c4d79dfc526fb91ca0d00407b6d244ca9dc62, but I'm not sure why it's needed or if it can be worked around.\n","author":{"url":"https://github.com/perimosocordiae","@type":"Person","name":"perimosocordiae"},"datePublished":"2016-08-08T18:58:08.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":15},"url":"https://github.com/6928/matplotlib/issues/6928"}