parameters: ()
docstring: Release all the Iterator.
docstring_summary: Release all the Iterator.
docstring_tokens: Release all the Iterator .
function: def _cleanup():
      """Release all the Iterator."""
      _set_iterator_cleanup()
      for itr_ref in reversed(ITERATORS_LIST):
          itr = itr_ref()
          if itr is not None:
              itr.release()
function_tokens: def _cleanup ( ) : _set_iterator_cleanup ( ) for itr_ref in reversed ( ITERATORS_LIST ) : itr = itr_ref ( ) if itr is not None : itr . release ( )