# -*- coding: utf-8 -*- from openerp import models, fields, api, _ class account_bank_statement_line(models.Model): _inherit = 'account.bank.statement.line' voucher_id = fields.Many2one('account.voucher', 'Voucher', readonly=True) # class account_voucher(models.Model): # _inherit = 'account.voucher' # # bank_statement_line_ids = fields.One2many('account.bank.statement.line', 'voucher_id', string="Statement Lines")