# HG changeset patch
# User sylvain.thenault@logilab.fr
# Date 1234953995 -3600
# Node ID 48cb1f42e79c52024931618ffc91930474cc795e
# Parent  eb846103be71d17a578956e9f2dd87b446d18eb0
tell on which class the assertion's failed

diff -r eb846103be71 -r 48cb1f42e79c selectors.py
--- a/selectors.py	Wed Feb 18 11:46:23 2009 +0100
+++ b/selectors.py	Wed Feb 18 11:46:35 2009 +0100
@@ -384,7 +384,7 @@
                      object to create a relation with another)
     """
     def __init__(self, *expected):
-        assert expected
+        assert expected, self
         self.expected = frozenset(expected)
         
     @lltrace