Merge pull request apache-spark-on-k8s#249 from palantir/fix-scalastyle

Fix scalastyle

Author: ash211

resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/kubernetes/submit/Client.scala

@@ -20,8 +20,8 @@ import java.util.{Collections, UUID}
 
 import io.fabric8.kubernetes.api.model.{ContainerBuilder, EnvVar, EnvVarBuilder, OwnerReferenceBuilder, PodBuilder}
 import io.fabric8.kubernetes.client.KubernetesClient
-import scala.collection.mutable
 import scala.collection.JavaConverters._
+import scala.collection.mutable
 
 import org.apache.spark.SparkConf
 import org.apache.spark.deploy.kubernetes.SparkKubernetesClientFactory

resource-managers/kubernetes/core/src/main/scala/org/apache/spark/scheduler/cluster/kubernetes/KubernetesTaskSchedulerImpl.scala

@@ -16,10 +16,10 @@
  */
 package org.apache.spark.scheduler.cluster.kubernetes
 
+import org.apache.spark.SparkContext
 import org.apache.spark.deploy.kubernetes.config._
 import org.apache.spark.scheduler.{SchedulerBackend, TaskSchedulerImpl, TaskSet, TaskSetManager}
 import org.apache.spark.util.Utils
-import org.apache.spark.SparkContext
 
 private[spark] class KubernetesTaskSchedulerImpl(
     sc: SparkContext,