solicitud_credito_athletic/res_partner_view.xml

<?xml version="1.0"?>
<openerp>
    <data>
        <record id="res_partner_credito_view" model="ir.ui.view">
            <field name="name">res.partner.credito.view</field>
            <field name="model">res.partner</field>
            <field name="inherit_id" ref="base.view_partner_form"/>
            <field name="arch" type="xml">
                <field name="function" position="replace">
                    <field name="fecha_credito"/>
                </field>

            </field>
        </record>
    </data>
</openerp>