why convert csv to pdf then to txt

[alexwang2013]

Thanks for the great work!

Here I have a question.
when I upload an csv file, it would process the file like the following:
it converts csv file to pdf then convert it to txt again.

why not process csv file directly?

we can see the following process.

LARS/web_app/app.py

Line 2156 in 15d426a

def vector_embed_filepath(filename, filepath):