Github user JoshRosen commented on the pull request: https://github.com/apache/spark/pull/11968#issuecomment-201520626 I'm actually wary of this change. There's a number of times where I've found redundant returns but have chosen not to remove them because I was afraid of future code refactorings or changes accidentally making the implicit return no longer take effect. If this isn't strictly necessary, I'd prefer to not do this cleanup.
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