[unistra] Sort formats
authorYen Chi Hsuan <yan12125@gmail.com>
Mon, 25 Apr 2016 14:24:40 +0000 (22:24 +0800)
committerYen Chi Hsuan <yan12125@gmail.com>
Mon, 25 Apr 2016 14:24:40 +0000 (22:24 +0800)
Originally URLs are passed to set() and not sorted, so the result is not
deterministic, causing occasional FAILs on Travis CI.


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