lot_tracking_account.patch

Index: ../../../Private/code/openerp/fruigor/bzr/pallet-delivery/purchase_lot_tracking/account.py
===================================================================
--- ../../../Private/code/openerp/fruigor/bzr/pallet-delivery/purchase_lot_tracking/account.py	(revision )
+++ ../../../Private/code/openerp/fruigor/bzr/pallet-delivery/purchase_lot_tracking/account.py	(revision )
@@ -52,17 +52,18 @@
 
     def _estimated_tcu(self, cr, uid, ids, name, arg, context=None):
         res = {}
-
         for line in self.browse(cr, uid, ids):
             if line.code.startswith('LOT'):
                 po_line_pool = self.pool.get('purchase.order.line')
-                po_line_id = po_line_pool.search(cr, uid, [('account_analytic_id', '=', line.id)])[0]
+                po_line_ids = po_line_pool.search(cr, uid, [('account_analytic_id', '=', line.id)])
+                if po_line_ids:
+                    po_line_id = po_line_ids[0]
-                po_line = po_line_pool.browse(cr, uid, po_line_id, context)
+                    po_line = po_line_pool.browse(cr, uid, po_line_id, context)
-
-                res[line.id] = po_line.landed_costs / po_line.product_qty
-            else:
-                res[line.id] = 0.0
+                    res[line.id] = po_line.landed_costs / po_line.product_qty
+                else:
+                    res[line.id] = 0.0
-
+            else:
+                res[line.id] = 0.0
         return res
 
     _columns = {