style

Author: ArtRand

resource-managers/mesos/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosCoarseGrainedSchedulerBackend.scala

@@ -25,14 +25,12 @@ import scala.collection.JavaConverters._
 import scala.collection.mutable
 import scala.concurrent.Future
 
-import org.apache.hadoop.fs.FileSystem
 import org.apache.mesos.Protos.{TaskInfo => MesosTaskInfo, _}
 import org.apache.mesos.SchedulerDriver
 
 import org.apache.spark.{SecurityManager, SparkContext, SparkException, TaskState}
-import org.apache.spark.deploy.SparkHadoopUtil
-import org.apache.spark.deploy.security.HadoopDelegationTokenManager
 import org.apache.spark.deploy.mesos.config._
+import org.apache.spark.deploy.security.HadoopDelegationTokenManager
 import org.apache.spark.internal.config
 import org.apache.spark.network.netty.SparkTransportConf
 import org.apache.spark.network.shuffle.mesos.MesosExternalShuffleClient