str -> display_name

src/account/models.py

@@ -16,7 +16,7 @@ class Profile(SoftDeleteModel):
         return self.user.get_full_name()
 
     def __str__(self):
-        return self.full_name
+        return self.display_name
 
     def delete(self, using=None):
         self.user.is_active = False