diff -r ca63b6776231 -r b55754aa4f96 iro/model/decorators.py
--- a/iro/model/decorators.py	Sat Jan 28 12:24:40 2012 +0100
+++ b/iro/model/decorators.py	Sat Jan 28 13:02:07 2012 +0100
@@ -3,7 +3,6 @@
 from .user import vUser
 from .dbdefer import  dbdefer
 from .pool import runInDBPool
-from .schema import Offer
 
 from ..error import ValidateException
 
@@ -15,7 +14,7 @@
 
 @dbdefer
 def vTyp(value,field, session):
-    for typ in session.query(Offer.typ).distinct():
+    for typ in session.typs:
         if value == typ[0]:
             break
     else: