Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/14021
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GitHub user wangmiao1981 opened a pull request:
https://github.com/apache/spark/pull/14021
[SPARK-16260][ML][Example]:PySpark ML Example Improvements and Cleanup
## What changes were proposed in this pull request?
1). Remove unused import in Scala example;
2). Move
