Update app.py

app.py

@@ -143,8 +143,7 @@ async def echo(websocket):
                 return
             m = data["message"] + "\n\nAssistant: "
             token = data["token"]
-            docs = retriever.get_relevant_documents(m)
-            rawresponse = conversational_rag_chain.ainvoke(
+            rawresponse = conversational_rag_chain.invoke(
                 {"input": m},
                 config={
                     "configurable": {"session_id": token}