Travis numpy build failures on Python 3.x

Let's try that again...

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---------- Forwarded message ----------
From: Nathaniel Smith <njs@...503...>
Date: Fri, Nov 30, 2012 at 11:13 PM
Subject: Re: [matplotlib-devel] Travis numpy build failures on Python 3.x
To: Damon McDougall <damon.mcdougall@...149...>

On Fri, Nov 30, 2012 at 10:25 PM, Damon McDougall <damon.mcdougall@...149...> wrote:

We seem to have inherited these recently. I am questioning whether it
is something caused by us or not. Can anybody build numpy/mpl under
Python 3.x on their own machine successfully?

Not your bug.

Workaround:
  Provide NumPy preinstalled · Issue #48 · travis-ci/travis-cookbooks · GitHub

Also for context:
  build breaks with new virtualenv 1.8.3 on py3 · Issue #2761 · numpy/numpy · GitHub
  1.8.3 breaks numpy install on py3 (ValueError: underlying buffer has been detached) · Issue #359 · pypa/virtualenv · GitHub

-n