Github user bzz commented on the issue:
https://github.com/apache/zeppelin/pull/1275
Thank you @minahlee for prompt review!
CI fails on spark 1.6 profile, same as master, and #1263 handled under
[ZEPPELIN-1286](https://issues.apache.org/jira/browse/ZEPPELIN-1286)
Merging if there is no further discussion.
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