Github user 1ambda commented on the issue: https://github.com/apache/zeppelin/pull/1823 Opps! I used invalid opt layout :( Fixed in 828c086 Thanks! @Leemoonsoo ## screenshot <img width="719" alt="screen shot 2017-01-02 at 3 26 09 pm" src="https://cloud.githubusercontent.com/assets/4968473/21585234/ec24ae1e-d0ff-11e6-88bb-29bf0b91ca9b.png">
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