Github user zjffdu commented on the issue:
https://github.com/apache/zeppelin/pull/1587
I prefer to use `%livy.pyspark` & `$livy.pyspark3` instead of
`zeppelin.livy.kind`. Because if user change `zeppelin.livy.kind` some
paragraphs may not work again, this is very confusing. So explicitly specifying
python version is better IMO. And could you wait for #1612 which is
refactoring livy interpreter ? After #1612 , it should be pretty easy to add
`%livy.pyspark3`
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