Github user andreaTP commented on the issue: https://github.com/apache/zeppelin/pull/2093 @Leemoonsoo thanks a lot for your comments, I hope to have targeted all of them, not sure how it works here, I will squash commits at the end of the process if you agree. b.t.w. tests consistently fail at ```pySparkDepLoaderTest``` https://travis-ci.org/andreaTP/zeppelin/jobs/208145522#L2932 but don't know how to start debugging this, it immediately fail with reflection errors.
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