Unable to locate wkhtmltopdf path in Streamlit app on Streamlit.io

I have a Streamlit app that utilizes wkhtmltopdf for PDF generation. I’ve included wkhtmltopdf in my packages.txt file for deployment on Streamlit.io. The app runs without errors locally, but when deployed on Streamlit.io, I encounter issues with locating the wkhtmltopdf binary.

The following code returns an error.

import pdfkit
import streamlit as st
config = pdfkit.configuration(wkhtmltopdf=wkhtmltopdf_path)

So I think that even if “wkhtmltopdf” is in the packages.txt file, it is not actually installed.

If it is installed, how can I determine the correct wkhtmltopdf path on Streamlit.io? Do I need to set the wkhtmltopdf_path explicitly in the Streamlit app code, and if so, how can I find the correct path on Streamlit.io? Are there any specific considerations for using wkhtmltopdf on Streamlit.io that I might be missing?

Any guidance or insights on resolving this issue would be greatly appreciated. Thank you!

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