A related field copies the attributes from its target field, except for the attributes defined on the related field itself. The implementation of this feature was not working properly for attributes with a truthy default value. closes odoo/odoo#79025 X-original-commit: dec4a7ec478fa02f19dee8c8426c88d17dc3c7f3 Signed-off-by: Raphael Collet (rco) <rco@openerp.com>