vracoop_balance_ticketing/data/ticket_format_data.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <data noupdate="1">
        <record id="paperformat_1" model="report.ticketformat">
            <field name="name">E1</field>
            <field name="default" eval="True" />
            <field name="format">E1</field>
            <field name="page_height">0</field>
            <field name="page_width">0</field>
            <field name="header_line" eval="False" />
        </record>

        <record id="paperformat_2" model="report.ticketformat">
            <field name="name">E2</field>
            <field name="default" eval="True" />
            <field name="format">E2</field>
            <field name="page_height">0</field>
            <field name="page_width">0</field>
            <field name="header_line" eval="False" />
        </record>

    </data>
</odoo>