Filtering out decl models from modeldefs

Change-Id: I5843e9e765d5ff53378f68c533d24e3ad1e008ce
diff --git a/xos/coreapi/xos_modeldefs_api.py b/xos/coreapi/xos_modeldefs_api.py
index 63a7a23..621d7af 100644
--- a/xos/coreapi/xos_modeldefs_api.py
+++ b/xos/coreapi/xos_modeldefs_api.py
@@ -87,6 +87,10 @@
             if 'core.models.project' in model.__module__:
                 continue
 
+            # NOTE Filtering out wrapper models
+            if str(model.__module__).endswith('decl'):
+                continue
+
             modeldef = modeldefs.items.add()
 
             modeldef.name = model.__name__