fix indentation with \t

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@8927 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/SupplyCell.py

@@ -69,6 +69,6 @@ class SupplyCell(Predicate, DeliveryCell, Path):
                       , PropertySheet.FlowCapacity
                       , PropertySheet.Predicate
                       , PropertySheet.MappedValue
-		      , PropertySheet.Reference
+                      , PropertySheet.Reference
                       )