code: def get_default_handle():
      """
      Returns the default handle. This does not perform nccl initialization.
      """
      global __default_handle
      if __default_handle is None:
          __default_handle = Handle()
      return __default_handle
  
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 11 for calling a global function with example usage: get_default_handle() and returns: __default_handle