Close the windows itself (Openerp Python Command How)

Hey i found it by myself.
It is me or what? This community have become so quiet / silence......

I almost question and answer by myself. OMG!!

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Close Code In OpenERP
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    def do_partial(self, cr, uid, ids, context=None):
        """ Makes partial moves and pickings done.
        @param self: The object pointer.
        @param cr: A database cursor
        @param uid: ID of the user currently logged in
        @param fields: List of fields for which we want default values
        @param context: A standard dictionary
        @return: A dictionary which of fields with values.
        """
        pick_obj = self.pool.get('stock.picking')
        move_obj = self.pool.get('stock.move')
        location_obj = self.pool.get('stock.location')

        picking_ids = context.get('active_ids', False)
        partial = self.browse(cr, uid, ids[0], context=context)
        partial_datas = {
            'delivery_date' : partial.date
        }

        for pick in pick_obj.browse(cr, uid, picking_ids, context=context):
            picking_type = self.get_picking_type(cr, uid, pick, context=context)
            moves_list = picking_type == 'in' and partial.product_moves_in or partial.product_moves_out

            for move in moves_list:
                partial_datas['move%s' % (move.move_id.id)] = {
                    'product_id': move.id,
                    'product_qty': move.quantity,
                    'packaging_qty': move.packaging_qty,
                    'product_uom': move.product_uom.id,
                    'prodlot_id': move.prodlot_id.id,
                    'product_packaging': move.product_packaging,
                    'price_packaging': move.price_packaging,
                    'price_unit': move.price_unit,
                }
                if (picking_type == 'in') and (move.product_id.cost_method == 'average'):
                    partial_datas['move%s' % (move.move_id.id)].update({
                                                    'product_price' : move.cost,
                                                    'product_currency': move.currency.id,
                                                    })
                #Added By: Kusnadi 2011.10.03.14.00 Recalculate Average Cost Price When Purchase Return --> Stock Picking
                #((amount_unit * product.qty_available)+(new_price*out_qty*-1))/(product.qty_availabe -out_qty)
                if (picking_type == 'out') and (move.product_id.cost_method == 'average'):
                    # Get the standard price
                    product_obj = self.pool.get('product.product')
                    product = product_obj.browse(cr, uid, move.product_id.id)
                    amount_unit = product.price_get('standard_price', context)[product.id]
                    #raise osv.except_osv(_('Debug !'), _('Amount Unit =' + str(amount_unit) + ' QtyAvailable =' + str(product.qty_available) + ' cost =' + str(move.price_unit) + ' Move Quantity=' + str(move.quantity)))
                    new_std_price = ((amount_unit * product.qty_available)\
                        + (move.price_unit * move.quantity*-1))/(product.qty_available - move.quantity)
                    product_obj.write(cr, uid, [product.id],{'standard_price': new_std_price})

        pick_obj.do_partial(cr, uid, picking_ids, partial_datas, context=context)
        return {'type': 'ir.actions.act_window_close'}
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Code that make the form able to close it by itself is:
return {'type': 'ir.actions.act_window_close'}