code: def seek(self, offset: int, whence: int = os.SEEK_SET):
      if not self._initialized:
          self._read_init()
          self._initialized = True
  
      if whence == os.SEEK_END:
          new_offset = self._size + offset
      elif whence == os.SEEK_CUR:
          new_offset = self._offset + offset
      else:
          assert whence == os.SEEK_SET
          new_offset = offset
      if new_offset < 0 or new_offset >= self._size:
          raise ValueError(
              f"File offset should be limited to (0, {self._size}), "
              f"now is {new_offset}"
          )
      self._offset = new_offset
      return self._offset
  
imports: import asyncio
  import os
  from abc import ABC, abstractmethod
  from concurrent.futures import Executor
  from typing import Any, Optional, Union
  from ..lib.aio import AioFileObject
label_desc: Use image node_id 9 for calling the BufferWrappedFileObject obj's underlying member method code with example usage: obj.seek(offset, whence) and returns: self