--- a/app/soc/logic/models/base.py	Tue Nov 04 02:50:55 2008 +0000
+++ b/app/soc/logic/models/base.py	Tue Nov 04 14:09:37 2008 +0000
@@ -33,6 +33,11 @@
 from soc.logic import out_of_band
 
 
+class Error(Exception):
+  """Base class for all exceptions raised by this module."""
+  pass
+
+
 class Logic:
   """Base logic for entity classes.