Update app.py

app.py

@@ -390,7 +390,7 @@ async def chat(prompt_window, user_window, password, history, output_window,
                         file_download = gr.DownloadButton(label=f'Download {download_ext.upper()} Doc',
                                         visible=True, value=f'./document.{download_ext}')
     return [response, '', uploaded_image_files, image_window, file_download, history,
-            uploaded_file_path, new_inputs]
+            uploaded_file_paths, new_inputs]
 
 def show_help():
     txt = '''