code: def ensure_flushed(self, off: int) -> None:
      self._fp.flush()
  
imports: import logging
  import os
  import struct
  import zlib
  from typing import TYPE_CHECKING, Optional, Tuple
  import wandb
label_desc: Use image node_id 14 for calling the DataStore obj's underlying member method code with example usage: obj.ensure_flushed(off) without return types