class_docstr: Base class of all callbacks.
class_docstr_tok: ["Base","class","of","all","callbacks","."]
docstr: Resume the callback from a saved state dict.
docstr_tok: ["Resume","the","callback","from","a","saved","state","dict","."]
code: def load_state_dict(self, state_dict: Any) -> None:
      """Resume the callback from a saved state dict."""
  
imports: from __future__ import annotations
  import copy
  import os
  import shutil
  import time
  from datetime import datetime
  from pathlib import Path
  from typing import Any, List, TYPE_CHECKING
  import numpy
  import pandas
  import torch
  from qlib.log import get_module_logger
  from qlib.typehint import Literal
label_desc: Use image node_id 12 for calling the Callback obj's underlying member method code with example usage: obj.load_state_dict(state_dict) without return types