code: def rpc_require_initialized(func: Callable) -> Callable:
      if hasattr(rpc, "api"):
          return rpc.api._require_initialized(func)
      return func
  
imports: import logging
  import threading
  from abc import ABC, abstractmethod
  from typing import Any, Callable, Dict, List, Optional
  from torch.distributed import rpc
  from torch_geometric.distributed.dist_context import DistContext, DistRole
label_desc: Use image node_id 2 for calling a global function with example usage: rpc_require_initialized(func) and returns: func, rpc