Update app.py

app.py

@@ -89,7 +89,7 @@ def get_screenshot(chat,block=[],css_in=css,w=500,h=800,user_c="#367bb9",bot_c="
     filename=f'{make_filename(chat[0][0])}.png'
     print(filename)
     hti.screenshot(html_str=html, css_str=css_in, save_as=filename)
-    return filename,html,css
+    return filename
 
 
 def format_prompt(message, history):