=== modified file 'account/invoice.py'
--- account/invoice.py	2010-05-18 09:45:30 +0000
+++ account/invoice.py	2010-06-23 13:15:38 +0000
@@ -1004,9 +1004,8 @@
             if line.invoice_id:
                 res[line.id] = line.price_unit * line.quantity * (1-(line.discount or 0.0)/100.0)
                 cur = line.invoice_id.currency_id
-                res[line.id] = cur_obj.round(cr, uid, cur, res[line.id])
             else:
-                res[line.id] = round(line.price_unit * line.quantity * (1-(line.discount or 0.0)/100.0),int(config['price_accuracy']))
+                res[line.id] = line.price_unit * line.quantity * (1-(line.discount or 0.0)/100.0),int(config['price_accuracy'])
         return res
 
 
@@ -1266,9 +1265,8 @@
                     tax_grouped[key]['base'] += val['base']
                     tax_grouped[key]['base_amount'] += val['base_amount']
                     tax_grouped[key]['tax_amount'] += val['tax_amount']
-
+                    
         for t in tax_grouped.values():
-            t['amount'] = cur_obj.round(cr, uid, cur, t['amount'])
             t['base_amount'] = cur_obj.round(cr, uid, cur, t['base_amount'])
             t['tax_amount'] = cur_obj.round(cr, uid, cur, t['tax_amount'])
         return tax_grouped