app.py

import gradio as gr

with gr.Blocks() as demo:

  with gr.Row():
    pdf_file = gr.File(label='Upload a PDF', scale=1)
    mkd = gr.HTML('  <i>OR</i>  ', scale=1)
    pdf_link = gr.Textbox(placeholder='Enter an arxiv link here', label='Provide a link', scale=1)

  with gr.Row():
    parsed_output = gr.Textbox(lines=5)

demo.launch(debug=True)