code: def _script_local_optimizer_step(
      local_optim_rref: RRef[_ScriptLocalOptimizerInterface],
      autograd_ctx_id: int,
  ) -> None:
      local_optim = local_optim_rref.local_value()
      local_optim.step(autograd_ctx_id)
  
imports: import logging
  from collections import defaultdict
  from threading import Lock
  from typing import List, Optional
  import torch
  import torch.distributed.autograd
  import torch.distributed.rpc
  import torch.jit
  import torch.nn
  from torch import Tensor
  from torch.distributed.rpc import RRef
  from .utils import functional_optim_map
label_desc: Use image node_id 4 for calling a global function with example usage: _script_local_optimizer_step(local_optim_rref, autograd_ctx_id) without return types