--- a/dataimport.py	Wed Mar 27 19:40:09 2013 +0100
+++ b/dataimport.py	Mon Mar 25 17:50:11 2013 +0100
@@ -735,8 +735,8 @@
         self._nb_inserted_relations = 0
         self.rql = session.execute
         # deactivate security
-        session.set_read_security(False)
-        session.set_write_security(False)
+        session.read_security = False
+        session.write_security = False
 
     def create_entity(self, etype, **kwargs):
         for k, v in kwargs.iteritems():