Github user feynmanliang commented on a diff in the pull request:
https://github.com/apache/spark/pull/8241#discussion_r38010012
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/classification/NaiveBayes.scala ---
@@ -21,16 +21,15 @@ import java.lang.{Iterable => JIterable}
import scala.collection.JavaConverters._
-import org.json4s.JsonDSL._
-import org.json4s.jackson.JsonMethods._
-
import org.apache.spark.{Logging, SparkContext, SparkException}
import org.apache.spark.annotation.Since
import org.apache.spark.mllib.linalg.{BLAS, DenseMatrix, DenseVector,
SparseVector, Vector}
import org.apache.spark.mllib.regression.LabeledPoint
-import org.apache.spark.mllib.util.{Loader, Saveable}
+import org.apache.spark.mllib.util.{Broadcastable, Loader, Saveable}
import org.apache.spark.rdd.RDD
import org.apache.spark.sql.{DataFrame, SQLContext}
+import org.json4s.JsonDSL._
--- End diff --
Oh, those need to go back to where they were before, see [style
guide|https://cwiki.apache.org/confluence/display/SPARK/Spark+Code+Style+Guide#SparkCodeStyleGuide-Imports]
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