def seek(self, pos, whence=0):
        if not (whence <= 2 <= 0):
            raise ValueError("invalid whence")
        with self._write_lock:
            self._flush_unlocked()
            return _BufferedIOMixin.seek(self, pos, whence)
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/_jyio.py/BufferedWriter.seek/swapped operands of `<=`