diff --git a/src/main/java/net/floodlightcontroller/core/IOFSwitch.java b/src/main/java/net/floodlightcontroller/core/IOFSwitch.java
index d63624c..5359812 100644
--- a/src/main/java/net/floodlightcontroller/core/IOFSwitch.java
+++ b/src/main/java/net/floodlightcontroller/core/IOFSwitch.java
@@ -23,6 +23,7 @@
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.Future;
+
 import net.floodlightcontroller.core.IFloodlightProviderService.Role;
 
 import org.jboss.netty.channel.Channel;