Github user zjffdu commented on the issue:
https://github.com/apache/zeppelin/pull/1729
@purechoc refactoring LivyHelper has been done. You can continue this PR. I
think the right place for you is
https://github.com/apache/zeppelin/blob/master/livy/src/main/java/org/apache/zeppelin/livy/BaseLivyInterprereter.java#L231
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