--- a/schema.py	Thu Dec 08 16:48:00 2011 +0100
+++ b/schema.py	Fri Dec 09 12:14:11 2011 +0100
@@ -27,7 +27,7 @@
 
 from logilab.common.decorators import cached, clear_cache, monkeypatch
 from logilab.common.logging_ext import set_log_methods
-from logilab.common.deprecation import deprecated, class_moved
+from logilab.common.deprecation import deprecated, class_moved, moved
 from logilab.common.textutils import splitstrip
 from logilab.common.graph import get_cycles
 from logilab.common.compat import any
@@ -1241,10 +1241,9 @@
 
 # XXX deprecated
 
-from yams.buildobjs import RichString
 from yams.constraints import StaticVocabularyConstraint
 
-RichString = class_moved(RichString)
+RichString = moved('yams.buildobjs', 'RichString')
 
 StaticVocabularyConstraint = class_moved(StaticVocabularyConstraint)
 FormatConstraint = class_moved(FormatConstraint)