code: def setup_cluster(
      cls, address_to_resources: Dict[str, Dict[str, Number]]
  ):
      # nothing need to be done in driver of Mars backend
      pass
  
imports: from numbers import Number
  from typing import Dict
  from ...driver import BaseActorDriver
label_desc: Use image node_id 1 for calling the MarsActorDriver obj's underlying member method code with example usage: obj.setup_cluster(cls, address_to_resources) without return types