fix style tests again

Sanket Chintapalli · Sanket Chintapalli · commit 98f0ff2a655c · 2017-09-06T15:33:16.000-05:00
diff --git a/core/src/main/scala/org/apache/spark/deploy/security/HadoopDelegationTokenProvider.scala b/core/src/main/scala/org/apache/spark/deploy/security/HadoopDelegationTokenProvider.scala
@@ -19,6 +19,7 @@ package org.apache.spark.deploy.security
 
 import org.apache.hadoop.conf.Configuration
 import org.apache.hadoop.security.Credentials
+
 import org.apache.spark.SparkConf
 
 /**
