Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/15170
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GitHub user Sherry302 opened a pull request:
https://github.com/apache/spark/pull/15170
[MINOR][BUILD] Fix CheckStyle Error
## What changes were proposed in this pull request?
This PR is to fix the code style errors before 2.0.1 release.
## How was this patch tested?
