account_contractsupplier_recurring_total/account_analyticpurchase_account_view.xml

<?xml version="1.0"?>
<openerp>
<data>

<record id="view_account_analyticpurchase_account_form" model="ir.ui.view">
    <field name="name">account.analyticpurchase.account.form</field>
    <field name="model">account.analytic.account</field>
    <field name="inherit_id" ref="account_analytic_purchase_contract.view_purchase_contract_form"/>
    <field name="arch" type="xml">
        <field name="price_subtotal" position="attributes">
            <attribute name="sum">Total</attribute>
        </field>
    </field>
</record>

<record id="view_account_analytic_account_tree_purchase" model="ir.ui.view">
    <field name="name">account.analytic.account.list</field>
    <field name="model">account.analytic.account</field>
    <field name="inherit_id" ref="account.view_account_analytic_account_list"/>
    <field name="arch" type="xml">
        <field name="company_id" position="after">
            <field name="recurring_totalsupplier_amount" sum="Total"/>
        </field>
    </field>
</record>

</data>
</openerp>