Reporte

class PrintReportInvoice(Wizard):
    "Print Report Invoice"
    __name__ = 'pathocytology.print.report.invoice'

    start = StateReport('pathocytology_services.invoice.attachment.report')

    def do_start(self, action):
        pool = Pool()
        service = pool.get('pathocytology.health_service')
        invoice = self.record

        services = service.search([('invoice', '=', invoice.id)], order=[('counter', 'ASC')])

        data = {
            'ids': [invoice.id],
            'services': services,
        }
        return action, data