eiru_delivery_baco/models/delivery_check.py

# -*- coding: utf-8 -*-
from openerp import models, fields, api

class DeliveryCheck(models.Model):
    _name = 'delivery.check'

    store_id = fields.Many2one('res.store', string='Sucursal')
    delivery_type = fields.Selection([
        ('local', 'Local'),
        ('envio', 'Envio al Interior')],
        string='Tipo de delivery', default='local')
    amount = fields.Float(string="Comisión por delivery")