code: def _subcomm_init(sID, partition_row_size, dask_worker=None):
      handle = get_handle(sID, dask_worker)
      c_init_subcomms(handle, partition_row_size)
  
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 3 for calling a global function with example usage: _subcomm_init(sID, partition_row_size, dask_worker) without return types