When there are multiple tracking numbers in one picking, the tracking button will work correctly. Improve style issue for wizard form closes odoo/odoo#134591 X-original-commit: c71dae98aff0c86aed88b7da79f99d91562c98cc Signed-off-by: Arnold Moyaux (arm) <arm@odoo.com> Signed-off-by: Parth Solanki (paso) <paso@odoo.com>