How to use the configupdater.DuplicateSectionError function in ConfigUpdater

def add_node(self) -> Optional[CCNode]:
        if self.readonly is True:
            return None

        while 1:
            id = uuid.uuid4().hex
            try:
                self.updater.add_section(id)
            except DuplicateSectionError:
                continue
            except:
                return None
            else:
                break

        return CCNode(self, self.updater[id])