Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/13591
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GitHub user techaddict opened a pull request:
https://github.com/apache/spark/pull/13591
[Minor] Replace all occurrences of None: Option[X] with Option.empty[X]
## What changes were proposed in this pull request?
Replace all occurrences of None: Option[X] with Option.empty[X]
