Github user srowen commented on the pull request:
https://github.com/apache/spark/pull/1550#issuecomment-50280326
Cloudera only back-ports and doesn't add extra code. Back-porting
style-compliant code should result in style-compliant code. Of course a
back-port sometimes requires a little surgery to transplant back in time if it
doesn't merge cleanly, but it's not difficult to make it style compliant.
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