[Numpy-svn] [numpy/numpy] 6fd716: BUG: Fix test for Python version < 2.6.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/numpy/numpy
  Commit: 6fd716c0a5fb7ae7c114c844f700857c093debff
      https://github.com/numpy/numpy/commit/6fd716c0a5fb7ae7c114c844f700857c093debff
  Author: Charles Harris <charlesr.harris at gmail.com>
  Date:   2012-03-17 (Sat, 17 Mar 2012)

  Changed paths:
    M numpy/core/tests/test_maskna.py

  Log Message:
  -----------
  BUG: Fix test for Python version < 2.6.

Copied python implementation of combinations from python 2.7
itertools.combinations documentation into test_maskna. Combinations
wasn't part of itertools before Python 2.6.