Github user danielblazevski commented on the pull request:
https://github.com/apache/flink/pull/1220#issuecomment-163438805
@tillrohrmann and @chiwanpark made changes based on your comments. Also
note that I recenly got a new laptop, and I decided to install IntelliJ and
download the most up-to-date version of Flink's source code and added the 4
relevant files (KNN.scala, QuadTree.scala and the 2 associated test suites) and
work on that. Did not realize that this would affect my PR, now the PR shows
that 301 files have been changed :-(
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