code: def get_workers():
      """
      Returns the workers in the Comms instance, or None if Comms is not
      initialized.
      """
      if is_initialized():
          global __instance
          return __instance.worker_addresses
  
file_path: cugraph/python/cugraph/cugraph/dask/comms/comms.py
imports: from cugraph.dask.common.read_utils import MissingUCXPy
  from pylibraft.common.handle import Handle
  from cugraph.dask.comms.comms_wrapper import init_subcomms
  from dask.distributed import default_client, get_worker
  from cugraph.dask.common import read_utils
  import math
label_desc: Use image node_id 7 for calling a global function with example usage: get_workers() and returns: __instance