diff -r 00eb43688a57 -r 22f634977c95 server/sources/pyrorql.py
--- a/server/sources/pyrorql.py	Mon Mar 23 18:53:53 2009 +0100
+++ b/server/sources/pyrorql.py	Wed Mar 25 10:40:22 2009 +0100
@@ -24,7 +24,7 @@
 from cubicweb.cwconfig import register_persistent_options
 from cubicweb.server.sources import AbstractSource, ConnectionWrapper
 
-class ReplaceByInOperator:
+class ReplaceByInOperator(Exception):
     def __init__(self, eids):
         self.eids = eids