code: def rpc_run(args, master_func):
      world_size = args.world_size
      mp.spawn(run_worker, args=(args, master_func), nprocs=world_size)
  
imports: import argparse
  import os
  import warnings
  from typing import Any, Callable, Tuple, Type, Union
  import torch
  import torch.distributed.rpc
  import torch.multiprocessing
  from torch._C._distributed_rpc import _is_current_rpc_agent_set
  from torch.futures import Future
  from colossalai.initialize import launch
  from colossalai.legacy.pipeline.pipeline_process_group import ppg
label_desc: Use image node_id 10 for calling a global function with example usage: rpc_run(args, master_func) without return types