Refactor: reduce to number of column for better readability at SONA

Change-Id: Ic8dd78cfc219272f98f37651f244c3564755960c
diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackPortListCommand.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackPortListCommand.java
index 176d7f8..e3398da 100644
--- a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackPortListCommand.java
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackPortListCommand.java
@@ -33,6 +33,7 @@
 import java.util.List;
 import java.util.stream.Collectors;
 
+import static org.onosproject.cli.AbstractShellCommand.get;
 import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.modelEntityToJson;
 import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.prettyJson;
 
@@ -51,7 +52,7 @@
 
     @Override
     protected void doExecute() {
-        OpenstackNetworkService service = AbstractShellCommand.get(OpenstackNetworkService.class);
+        OpenstackNetworkService service = get(OpenstackNetworkService.class);
 
         List<Port> ports = Lists.newArrayList(service.ports());
         ports.sort(Comparator.comparing(Port::getNetworkId));