code: def __init__(self, servers):
      if not isinstance(servers, list):
          servers = [servers]
      self.servers = servers
  
imports: import asyncio
  import logging
  from ray._private.ray_microbenchmark_helpers import timeit
  from ray._private.ray_client_microbenchmark import main
  import numpy
  import multiprocessing
  import ray
  import ray.experimental.channel
  from ray.dag import InputNode, MultiOutputNode
label_desc: Use image node_id 1 to create a new Client object  with example: obj = Client(servers)