code: def _post_state_dict_hook(
      module: nn.Module,
      state_dict: "OrderedDict[str, Tensor]",
      prefix: str,
      *args: Any,
  ) -> "OrderedDict[str, Tensor]":
      # Move everything from .fpw_module up one level.
      replace_by_prefix_(state_dict, prefix + "_fpw_module.", prefix)
      return state_dict
  
imports: from contextlib import contextmanager
  from itertools import chain
  import typing
  from typing import TYPE_CHECKING, Any, Dict, Generator, Iterator, List, Mapping, NamedTuple, Optional, Sequence, Set, Tuple, Union, cast
  import torch
  from torch import Tensor
  import torch.nn
  from fairscale.internal.state_dict import replace_by_prefix_
label_desc: Use image node_id 1 for calling a global function with example usage: _post_state_dict_hook(module, state_dict, prefix) and returns: state_dict