<filter name="invoices" string="Invoices" domain="[('state','not in',['draft','cancel'])]" help="Proforma/Open/Paid Invoices"/>
<filter name="unpaid" string="Unpaid" domain="[('state','=','open')]" help="Unpaid Invoices"/>
<separator/>
- <field name="partner_id" filter_domain="[('partner_id', 'child_of', self)]"/>
+ <field name="partner_id" operator="child_of"/>
<field name="user_id" string="Salesperson"/>
<field name="period_id" string="Period"/>
<separator/>