Update app.py

app.py

@@ -99,7 +99,7 @@ with gr.Blocks(css="style.css") as demo:
     )
 
     gr.HTML(
-        "<p><small><center>This demo is built together by the community</center></small></p>" +
+        "<p><small><center>This demo is built together by the community</center></small></p>"
     )
     
 demo.queue().launch()