ml_ids = member_line_obj.search(cr, uid, [('pos_order_line', '=', line.id)], context=context)
if line.product_id and line.product_id.membership:
member_line_id = member_line_obj.search(cr, uid
ml_ids = member_line_obj.search(cr, uid, [('pos_order_line', '=', line.id)], context=context)
if line.product_id and line.product_id.membership:
member_line_id = member_line_obj.search(cr, uid