code: def _cleanup(self):
          '''
          Cleanup all the local data.
          '''
          self._declare_cb = None
          self._bind_cb = None
          self._unbind_cb = None
          self._delete_cb = None
          self._purge_cb = None
          super(QueueClass, self)._cleanup(f _cleanup(self):
          '''
          Cleanup all the local data.
          '''
          self._declare_cb = None
          self._bind_cb = None
          self._unbind_cb = None
          self._delete_cb = None
          self._purge_cb = None
          super(QueueClass, self)._cleanup()
docs: Cleanup all the local data.