code: def default_get_id():
      """Default get_id"""
      return None
  
file_path: ray/python/ray/util/dask/scheduler_utils.py
imports: import os
  from queue import Queue, Empty
  from dask import config
  from dask.callbacks import local_callbacks, unpack_callbacks
  from dask.core import _execute_task, flatten, get_dependencies, has_tasks, reverse_dict
  from dask.order import order
label_desc: Use image node_id 6 for calling a global function with example usage: default_get_id() and returns: None