diff --git a/addons/delivery/delivery.py b/addons/delivery/delivery.py
index 320560dd0a8..b33fff49b85 100644
--- a/addons/delivery/delivery.py
+++ b/addons/delivery/delivery.py
@@ -21,7 +21,7 @@
 ##############################################################################
 import time
 import netsvc
-from osv import fields,osv,orm
+from osv import fields,osv
 from tools.translate import _
 
 class delivery_carrier(osv.osv):
@@ -124,7 +124,7 @@ class delivery_grid(osv.osv):
                 ok = True
                 break
         if not ok:
-            raise except_osv(_('No price avaible !'), _('No line matched this order in the choosed delivery grids !'))
+            raise osv.except_osv(_('No price avaible !'), _('No line matched this order in the choosed delivery grids !'))
 
         return price