code: def _ddp_comm_hook_wrapper(comm_hook, model, state):
      model.register_comm_hook(state, comm_hook)
  
file_path: pytorch/torch/distributed/algorithms/ddp_comm_hooks/__init__.py
imports: from enum import Enum
  from functools import partial
  import torch.distributed
  from .None import debugging_hooks, default_hooks, powerSGD_hook, quantization_hooks, optimizer_overlap_hooks
label_desc: Use image node_id 1 for calling a global function with example usage: _ddp_comm_hook_wrapper(comm_hook, model, state) without return types