import gradio as gr

def upload_file(files):
    # Assuming the user will upload only one PDF file, extract its name
    pdf_file_path = [file.name for file in files if file.name.endswith(".pdf")]
    return pdf_file_path

with gr.Blocks() as demo:
    file_output = gr.File()
    upload_button = gr.UploadButton("Please upload a PDF that contains an abstract. I will provide a one-sentence summary of the abstract and will say the summary out loud.", file_types=[".pdf"], file_count=1)
    upload_button.upload(upload_file, upload_button, file_output)

demo.launch()