[FIX] fix helper

2019-02-25 15:57:56 +01:00
parent 27fa44c68f
commit 6ce749c70f
1 changed files with 4 additions and 2 deletions
--- a/mail_usability/models/mail_message.py
+++ b/mail_usability/models/mail_message.py
@@ -14,5 +14,7 @@ class MailMessage(models.Model):
        # we do not use a reference field here as mail message
        # are used everywhere and many model are not yet loaded
        # so odoo raise exception
-        self.ensure_one()
-        return self.env[self.model].browse(self.res_id)
+        if self:
+            self.ensure_one()
+            return self.env[self.model].browse(self.res_id)
+        return None