code: def distributed_ray(*args, **kwargs):
      from bigdl.nano.utils.common import invalidInputError
  
      invalidInputError(
          False,
          "bigdl-nano no longer support ray backend "
          "when using pytorch lightning 1.4, please upgrade your "
          "pytorch lightning to 1.6.4",
      )
  
label_desc: Use image node_id 3 for calling a global function with example usage: distributed_ray() without return types