I have to upload a file to Airtable. I don’t quite understand the documentation for file upload. I have this code that is in python that should upload a file to airtable via a link but it gives me a 422 error. How can I fix this? ATBASEID = "*******...

I’m new to airtable. How can I use the Rest AIP with python to upload a pdf file? To my understanding, I need some sort of link for the upload. What do I have to look out for when programming the automation?