code: def get_workers(self):
      return self.remote_workers
  
file_path: BigDL/python/orca/src/bigdl/orca/learn/dl_cluster.py
imports: import ray
  from bigdl.orca.cpu_info import schedule_workers
  from bigdl.dllib.utils.log4Error import invalidInputError
  import os
  import sys
  import logging
label_desc: Use image node_id 2 for calling the RayDLCluster obj's underlying member method code with example usage: obj.get_workers() and returns: self