diff -r 5d9c24c2cb8d -r 6b28b135a919 iro/model/session.py
--- a/iro/model/session.py	Thu Mar 29 17:21:46 2012 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,4 +0,0 @@
-from sqlalchemy.orm.session import Session
-
-class IroSession(Session):
-    pass