[ONOS-3904] Derived data type and formatting fixes

Change-Id: I1d68899e0056fa0db6322e83f7e9d3ff9b3b1ee0
diff --git a/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ListenerErrorLocation.java b/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ListenerErrorLocation.java
index b989407..4c3efd6 100644
--- a/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ListenerErrorLocation.java
+++ b/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ListenerErrorLocation.java
@@ -39,12 +39,12 @@
     public static String getErrorLocationMessage(ListenerErrorLocation errorLocation) {
 
         switch (errorLocation) {
-        case ENTRY:
-            return "before";
-        case EXIT:
-            return "after";
-        default:
-            return "during";
+            case ENTRY:
+                return "before";
+            case EXIT:
+                return "after";
+            default:
+                return "during";
         }
     }
 }
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