Github user 1ambda commented on the issue:
https://github.com/apache/zeppelin/pull/1648
CI failure due to the selenium test in zeppelin-server not the this change.
```
ests run: 9, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 157.128 sec
<<< FAILURE! - in org.apache.zeppelin.integration.ParagraphActionsIT
testEditOnDoubleClick(org.apache.zeppelin.integration.ParagraphActionsIT)
Time elapsed: 35.73 sec <<< ERROR!
```
- (failed build profile)
https://travis-ci.org/apache/zeppelin/jobs/176587997
- (raw log for it)
https://api.travis-ci.org/jobs/176587997/log.txt?deansi=true
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