=== modified file 'account/account_invoice.py'
--- account/account_invoice.py	2011-11-10 22:58:02 +0000
+++ account/account_invoice.py	2011-11-12 05:19:15 +0000
@@ -132,18 +132,17 @@
     def _compute_lines(self, cr, uid, ids, name, args, context=None):
         result = {}
         for invoice in self.browse(cr, uid, ids, context=context):
+            moves = self.move_line_id_payment_get(cr, uid, [invoice.id])
             src = []
             lines = []
-            if invoice.move_id:
-                for m in invoice.move_id.line_id:
-                    temp_lines = []
-                    if m.reconcile_id:
-                        temp_lines = map(lambda x: x.id, m.reconcile_id.line_id)
-                    elif m.reconcile_partial_id:
-                        temp_lines = map(lambda x: x.id, m.reconcile_partial_id.line_partial_ids)
-                    lines += [x for x in temp_lines if x not in lines]
-                    src.append(m.id)
-
+            for m in self.pool.get('account.move.line').browse(cr, uid, moves, context):
+                temp_lines = []
+                if m.reconcile_id:
+                    temp_lines = map(lambda x: x.id, m.reconcile_id.line_id)
+                elif m.reconcile_partial_id:
+                    temp_lines = map(lambda x: x.id, m.reconcile_partial_id.line_partial_ids)
+                lines += [x for x in temp_lines if x not in lines]
+                src.append(m.id)
             lines = filter(lambda x: x not in src, lines)
             result[invoice.id] = lines
         return result