Github user hqzizania commented on the issue:
https://github.com/apache/spark/pull/14738
It is linked to SPARK-17090 now. @srowen
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Github user yanboliang commented on the issue:
https://github.com/apache/spark/pull/14738
It's better to update the PR title as ```[SPARK-17090][FOLLOW-UP][ML] ...
```.
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