<field name="name">purchase.order.form</field>
<field name="model">purchase.order</field>
<field name="inherit_id" ref="purchase.purchase_order_form"/>
- <field name="priority" eval="8"/>
<field name="arch" type="xml">
<xpath expr="//field[@name='account_analytic_id']" position="attributes">
<attribute name="required">1</attribute>