Github user srowen commented on the pull request:
https://github.com/apache/spark/pull/11438#issuecomment-190452909
I'm OK with this. Can we enforce this in Scala too?
Since we've bothered to fail the build if imports aren't in the right order
I think it's reasonable to enforce removal of unused imports everywhere too.
@dongjoon-hyun I think you could add that too if you feel so inclined. If
you're busy I might add it to https://issues.apache.org/jira/browse/SPARK-13423
but I like your focused PR here.
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