hr_payslip_timesheet_computation/views/hr_payslip_views.xml
<?xml version="1.0" encoding="utf-8" ?>
<openerp>
<data>
<record id="hr_payslip_view_form" model="ir.ui.view">
<field name="name">hr.payslip form</field>
<field name="model">hr.payslip</field>
<field name="inherit_id" ref="hr_payroll.view_hr_payslip_form" />
<field name="arch" type="xml">
<xpath expr="//field[@name='input_line_ids']" position="after">
<separator name="timesheet_computation" string="Timesheet Computation" />
<field name="timesheet_computation_ids" colspan="4" nolabel="1">
<tree>
<field name="sheet_id" />
<field name="item_id" />
<field name="amount" />
</tree>
</field>
</xpath>
</field>
</record>
</data>
</openerp>