if obj.pedido == 'S' and not obj.status_pedido:
                # self.fieldsets[0][1]['fields'] = tuple(x for x in self.fieldsets[0][1]['fields'] if (x!='status'))
                self.fieldsets[1][1]['fields'] = tuple(x for x in self.fieldsets[1][1]['fields'] if (x!='data_compra'))