Current behavior : When sending an invoice by email there was 2 signature in the mail Steps to reproduce : Create an invoice Send it by email Check the mail, there are 2 signatures opw-2703272 closes odoo/odoo#82347 X-original-commit: 00965df4be591b952b339038c324d7e92596e3d5 Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>