I m migrating a py3o report from Odoo 10 to Odoo 11 and got the following problem.

In Odoo 10 after doing some calcs print py3o report this way

res = {
    'type': 'ir.actions.report',
    'report_name': 'l10n_cu_hr_cpr.production_plan_gruped.ODS',
    'datas': datas,
}
After the change in Odoo 11 report engine i try this way 
return self.env.ref('l10n_cu_hr_cpr_desoft.cpl_report_plan_gruped_ods').report_action(self, data=datas, config=False)