Github user jongyoul commented on the issue:
https://github.com/apache/zeppelin/pull/1248
Do you check the error of CI?
```
Failed tests:
NoteTest.insertParagraphWithLastReplName:159 expected:<%spark > but
was:<null>
NoteTest.addParagraphWithLastReplName:144 expected:<%spark > but
was:<null>
```
I think it's meaningful error and it needs to be fixed.
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