reporting-engine/report_py3o/views/ir_report.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>

    <!-- Inherit from base.act_report_xml_view to add py3o-related settings. -->

    <record id="py3o_report_view" model="ir.ui.view">
        <field name="name">py3o_report_view</field>
        <field name="model">ir.actions.report.xml</field>
        <field name="inherit_id" ref="base.act_report_xml_view" />
        <field name="arch" type="xml">

            <xpath expr="//page[@name='security']" position="before">
                <page string="LibreOffice Template" name="py3o_tab"
                    attrs="{'invisible': [('report_type', '!=', 'py3o')]}">

                    <group name="py3o_params">
                        <field name="py3o_filetype" />
                        <field name="py3o_is_local_fusion"/>
                        <field name="py3o_server_id" />
                        <field name="py3o_template_id" />
                        <field name="module" />
                        <field name="py3o_template_fallback" />
                    </group>

                </page>
            </xpath>

        </field>
    </record>

</odoo>