Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/15656
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GitHub user yhuai opened a pull request:
https://github.com/apache/spark/pull/15656
[SPARK-18132] Fix checkstyle
This PR fixes checkstyle.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/yhuai/spark fix-format
Alternativel
