move demo routing inside with block

app.py

@@ -541,10 +541,8 @@ with gr.Blocks() as demo:
                 submit_btn="Search Resolutions",
                 article="Made by [Jiangbei](www.nationstates.net/nation=jiangbei). GA data parsed from NationStates. Powered by BAAI/bge-m3."
             )
-
-sentiment_page = create_sentiment_page()
-demo.route("/sentiment", sentiment_page)
-
+    sentiment_page = create_sentiment_page()
+    demo.route("/sentiment", sentiment_page)
 
 # --- Launch App ---
 if __name__ == "__main__":