Github user takezoe commented on the issue:
https://github.com/apache/predictionio/pull/441
@dszeto I see. I found an empty commit to close PRs:
https://github.com/apache/spark/commit/f217d7d9b22c4b9c947fc5467379af17f036ee61
They are making such commits periodically. So I'll close this PR by a same
way later.---
