code: def _pre_hook(
      state_dict,
      prefix,
      local_metadata,
      strict,
      missing_keys,
      unexpected_keys,
      error_msgs,
  ):
      """Perform pre-hook in load_state_dict for backward compatibility.
  
      Note:
          We saved self.pe until v.0.5.2 but we have omitted it later.
          Therefore, we remove the item "pe" from `state_dict` for backward compatibility.
  
      """
      k = prefix + "pe"
      if k in state_dict:
          state_dict.pop(k)
  
imports: import math
  import torch
label_desc: Use image node_id 1 for calling a global function with example usage: _pre_hook(state_dict, prefix, local_metadata, strict, missing_keys, unexpected_keys, error_msgs) without return types