_order = 'order_id, categ_sequence, sequence, id'
def _prepare_order_line_invoice_line(self, cr, uid, line, account_id=False, context=None):
_order = 'order_id, categ_sequence, sequence, id'
def _prepare_order_line_invoice_line(self, cr, uid, line, account_id=False, context=None):