--- a/schema.py	Tue Sep 23 14:19:11 2014 +0200
+++ b/schema.py	Tue Sep 23 17:34:36 2014 +0200
@@ -83,7 +83,7 @@
 
 # set of entity and relation types used to build the schema
 SCHEMA_TYPES = set((
-    'CWEType', 'CWRType', 'CWAttribute', 'CWRelation',
+    'CWEType', 'CWRType', 'CWComputedRType', 'CWAttribute', 'CWRelation',
     'CWConstraint', 'CWConstraintType', 'CWUniqueTogetherConstraint',
     'RQLExpression',
     'specializes',