eiru_pos_session_add_purchases_expenses/views/templates.xml

<openerp>
    <data>
        <template id="eiru_pos_session_add_purchases_expenses.eiru_assets" name="eiru_pos_session_add_purchases_expenses_eiru_assets" inherit_id="eiru_assets.assets">
            <xpath expr="." position="inside">
                <script type="text/javascript" src="/eiru_pos_session_add_purchases_expenses/static/src/js/eiru_pos_add_purchases.js"/>
                <script type="text/javascript" src="/eiru_pos_session_add_purchases_expenses/static/src/js/eiru_pos_add_expenses.js"/>
            </xpath>
        </template>
    </data>
</openerp>