Small import nit

Author: massie

core/src/main/scala/org/apache/spark/shuffle/hash/HashShuffleReader.scala

@@ -19,7 +19,7 @@ package org.apache.spark.shuffle.hash
 
 import org.apache.spark.{SparkEnv, TaskContext, InterruptibleIterator}
 import org.apache.spark.serializer.Serializer
-import org.apache.spark.shuffle.{ShuffleReader, BaseShuffleHandle}
+import org.apache.spark.shuffle.{BaseShuffleHandle, ShuffleReader}
 import org.apache.spark.util.CompletionIterator
 import org.apache.spark.util.collection.ExternalSorter