Below is a dialogue between software developers, the first one used ChatGPT in his solution of code task and makes a comment,   the second one gives him reply on his solution. Write a reply that appropriately answers the comment.

### Comment:
we need to load the existing index files under the file path into the ordereddict. the files under vector_file_dir can be reused after restarting pysparkai.you can also refer some of the code from ### Reply:
ah its bytes, to avoid fp arithmetic errors  fixed