Steps to reproduce the bug: - Creante a vendor V with a lang in French - Set lang English on your user U - Log with U - Create a lunch.order.line for V - Click on Lunch: Order meals Bug: The email was sent in the lang of U instead of V. opw:2155628 closes odoo/odoo#42543 X-original-commit: 8708ef16608dd8b6cdcad066e31f70f6262af205 Signed-off-by: Simon Goffin (sig) <sig@openerp.com>