Update app.py

app.py

@@ -19,6 +19,7 @@ from results import results_agent
 from filter import filter_agent
 from reranker import reranker
 from utils import build_filter
+from router import routing_agent
 
 OPENAI_API = st.secrets["OPENAI_API"]
 PINECONE_API = st.secrets["PINECONE_API"]