hello, i already download modul (report_qweb_txt) for odoo 10 and the module works in odoo 10..
but i need to use this module for odoo 8, i already change the code but when i click button "CSV List", it gives me error   'list' object has no attributes 'ids'

models/ir_actions_report_xml.py

from openerp import api, fields, models

class IrActionsReportXml(models.Model):

    _inherit = 'ir.actions.report.xml'

    report_type = fields.Selection(selection_add=[

        ('qweb-txt', 'Text'),

        ('qweb-txt-csv', 'CSV'),

        ])

    @api.model

    def render_report(self, res_ids, name, data):

        if (

                data.get('report_type') and

                data.get('report_type').startswith('qweb-txt')):

            ext = data['report_type'].split('-')[-1]

            # That way, you can easily add qweb-txt-zpl' or others

            # without inheriting this method (you just need to do the

            # selection_add on the field 'report_type')

            return self.env['report'].get_html(res_ids, name, data=data), ext

        else:

            return super(IrActionsReportXml, self).render_report(

                res_ids, name, data)

models/report.py

from openerp import api, models

class Report(models.Model):

    _inherit = "report"

    @api.model

    def _get_report_from_name(self, report_name):

        res = super(Report, self)._get_report_from_name(report_name)

        if not res:

            res = self.env['ir.actions.report.xml'].search([

                ('report_type', '!=', False),

                ('report_name', '=', report_name)], limit=1)

        return res

i change the top from .py file

from odoo import api, fields, models --> from openerp import api, fields, models

can someone help me where is my fault?