code: def say_hello(self, whom: str) -> Tuple[str, int]:
      self.count += 1
      return ("Hello " + whom, self.count)
  
file_path: ray/python/ray/util/client/client_app.py
imports: from ray.util.client import ray
  from typing import Tuple
label_desc: Use image node_id 2 for calling the HelloActor obj's underlying member method code with example usage: obj.say_hello(whom) and returns: unknown,  self