diff --git a/src/main/java/com/ntlab/irisserver/resources/GameStateRest.java b/src/main/java/com/ntlab/irisserver/resources/GameStateRest.java
index 2c1ffa9..4da21f7 100644
--- a/src/main/java/com/ntlab/irisserver/resources/GameStateRest.java
+++ b/src/main/java/com/ntlab/irisserver/resources/GameStateRest.java
@@ -15,6 +15,7 @@
     @Path("/{rid}/game/opens")
     @GET
     public List<Integer> getOpens(@PathParam("rid") String rid){
+
         return null;
     }