account-financial-reporting/mis_builder/datas/ir_cron.xml

<?xml version="1.0" encoding="UTF-8"?>
<openerp>
    <data noupdate="1">

        <record id="ir_cron_vacuum_temp_reports" model="ir.cron">
            <field name="name">Vacuum temporary reports</field>
            <field name="interval_number">4</field>
            <field name="interval_type">hours</field>
            <field name="numbercall">-1</field>
            <field eval="False" name="doall"/>
            <field eval="'mis.report.instance'" name="model"/>
            <field eval="'_vacuum_report'" name="function"/>
            <field eval="'(24,)'" name="args"/>
            <field name="active" eval="True" />
        </record>

    </data>
</openerp>