[FIX] delivery: allow to add delivery method in quotation if quotatio…

…n in quotation sent stage

opw-607920

addons/delivery/sale.py

@@ -53,7 +53,7 @@ def delivery_set(self, cr, uid, ids, context=None):
             if not grid_id:
                 raise osv.except_osv(_('No Grid Available!'), _('No grid matching for this carrier!'))
 
-            if not order.state in ('draft'):
+            if not order.state in ('draft', 'sent'):
                 raise osv.except_osv(_('Order not in Draft State!'), _('The order state have to be draft to add delivery lines.'))
 
             grid = grid_obj.browse(cr, uid, grid_id, context=context)