edit_pagare_golden/model/account_invoice_move_line.py

# -*- coding: utf-8 -*-

from openerp import models, fields, api
from openerp.osv import osv

class invoice_interes(models.Model):
    _inherit = "account.invoice"
    _name = "account.invoice"

    move_line_debt = fields.One2many('account.move.line', inverse_name="invoice", string="id Move line", domain=['&', ('reconcile_id', '=', False), '&', ('account_id.active','=', True), '&', ('account_id.type', '=', 'receivable'), ('state', '!=', 'draft')])
    state_move_line= fields.Boolean(readonly=True, default=False)