docstr: Determine if we're in the last block to handle in-progress writes.
docstr_tok: ["Determine","if","we","'re","in","the","last","block","to","handle","in-progress","writes","."]
code: def in_last_block(self):
      """Determine if we're in the last block to handle in-progress writes."""
      return self._index > self._size_bytes - LEVELDBLOG_DATA_LEN
  
imports: import logging
  import os
  import struct
  import zlib
  from typing import TYPE_CHECKING, Optional, Tuple
  import wandb
label_desc: Use image node_id 7 for calling the DataStore obj's underlying member method code with example usage: obj.in_last_block() and returns: unknown