chimp.xml

<tryton>
    <data>

        <record model="ir.ui.view" id="inherit_chimp_website_view_form">
            <field name="model">nereid.website</field>
            <field name="inherit" ref="nereid.website_view_form" />
            <field name="arch" type="xml">
                <![CDATA[
                <data>
                    <xpath expr="/form/notebook" position="inside">
                        <page id="mailchimp" string="MailChimp Config.">
                            <label name="mailchimp_api_key"/>
                            <field name="mailchimp_api_key"/>
                            <label name="mailchimp_default_list"/>
                            <field name="mailchimp_default_list"/>
                        </page>
                    </xpath>
                </data>
                ]]>
            </field>
        </record>

    </data>
</tryton>