Update app.py

app.py

@@ -86,7 +86,9 @@ with gr.Blocks() as demo:
     with gr.Sidebar():
         gr.LoginButton()
         pdf_upload = gr.File(label="Upload PDF", file_types=[".pdf"])
-        pdf_upload.upload(process_pdf, inputs=pdf_upload, outputs=[])
+        status = gr.Textbox(label="Status", interactive=False)
+        pdf_upload.upload(process_pdf, inputs=pdf_upload, outputs=status)
+
     chatbot.render()