What are the steps to reproduce your issue ?
Try to merge two mailing lists
What is currently happening ?
Traceback
opw-2504230
closes odoo/odoo#69601
X-original-commit: 66af485530cfc2f5e224b70850b011f0c05743d0
Signed-off-by: Nicolas Lempereur (nle) <nle@odoo.com>
Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>