lib/cantango/permits/role_group_permit.rb in cantango-0.9.4.1 vs lib/cantango/permits/role_group_permit.rb in cantango-0.9.4.2

@@ -48,16 +48,17 @@
 
       def valid_for? subject
         in_role_group? subject
       end
 
-      def hash_key
-        send role_groups_list_meth
+      def self.hash_key
+        role_groups_list_meth
       end
 
       protected
 
       include CanTango::Helpers::RoleMethods
+      extend CanTango::Helpers::RoleMethods
 
       def in_role_group? subject
         has_role_group?(subject) || role_groups_of(subject).include?(role) 
       end