contract/contract_invoice_merge_by_partner/views/res_partner_view.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- © 2016 Carlos Dauden <carlos.dauden@tecnativa.com>
     License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
<openerp>
<data>

<record id="view_partner_form" model="ir.ui.view">
    <field name="name">Partner Form Contract Invoice Merge</field>
    <field name="model">res.partner</field>
    <field name="inherit_id" ref="base.view_partner_form"/>
    <field name="arch" type="xml">
        <field name="user_id" position="after">
            <field name="contract_invoice_merge"/>
        </field>
    </field>
</record>

</data>
</openerp>