When you are using a discount product with a tax, you get a traceback when trying to add the discount. It is caused by a typo and is fixed here. closes odoo/odoo#63550 X-original-commit: b389dcabf49fd05c5239d68fd26ef4239963a7e5 Signed-off-by: pimodoo <pimodoo@users.noreply.github.com>