code: def __call__(self, *args, **kwargs):
      self.dump()
  
imports: import shutil
  import struct
  from pathlib import Path
  from typing import Iterable
  from functools import partial
  from concurrent.futures import ProcessPoolExecutor
  import fire
  import pandas
  from tqdm import tqdm
  from loguru import logger
  from qlib.utils import fname_to_code, get_period_offset
  from qlib.config import C
label_desc: Use image node_id 9 for calling the DumpPitData obj's underlying member method code with example usage: obj.__call__() without return types