hr_expense_view.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  Copyright (C) 2014 Akretion (http://www.akretion.com)
  @author: Alexis de Lattre <alexis.delattre@akretion.com>
  The licence is in the file __openerp__.py
-->
<openerp>
<data>

<record id="view_expenses_form" model="ir.ui.view">
    <field name="name">expense.analytic.default.expense.form</field>
    <field name="model">hr.expense.expense</field>
    <field name="inherit_id" ref="hr_expense.view_expenses_form"/>
    <field name="arch" type="xml">
        <field name="department_id" position="after">
            <field name="default_analytic_account_id"/>
        </field>
        <xpath expr="//field[@name='line_ids']" position="attributes">
            <attribute name="context">{'currency_id': currency_id, 'default_analytic_account': default_analytic_account_id or context.get('analytic_account')}</attribute>
        </xpath>
    </field>
</record>


</data>
</openerp>