Github user zjffdu commented on the issue:
https://github.com/apache/zeppelin/pull/2915
Thanks @r-kamath , but I don't think this is the fix. As you can see we
have unit test to cover this.
https://github.com/apache/zeppelin/blob/master/zeppelin-zengine/src/test/java/org/apache/zeppelin/interpreter/ConfInterpreterTest.java#L62
This should due to something bug else ---
