code: def close(self) -> None:
      if self._fp is not None:
          logger.info("close: %s", self._fname)
          self._fp.close()
  
imports: import logging
  import os
  import struct
  import zlib
  from typing import TYPE_CHECKING, Optional, Tuple
  import wandb
label_desc: Use image node_id 16 for calling the DataStore obj's underlying member method code with example usage: obj.close() without return types