travis: Install six Python library.
authorRussell Bryant <russell@ovn.org>
Thu, 21 Jan 2016 19:07:50 +0000 (14:07 -0500)
committerRussell Bryant <russell@ovn.org>
Thu, 21 Jan 2016 20:41:55 +0000 (15:41 -0500)
commitaa07423103f0593e040240313f94e89ad43e674c
treed9f7ba93ab49e1cb64393e0cbd90760f04ed06e6
parentf6bbff4ef421b39d6d360d203cc473cd0641c7b9
travis: Install six Python library.

The travis-ci build is broken because the Python six library is not
installed.

Signed-off-by: Russell Bryant <russell@ovn.org>
Tested-by: Joe Stringer <joe@ovn.org>
Acked-by: Joe Stringer <joe@ovn.org>
.travis/prepare.sh