Update app.py

app.py

@@ -210,7 +210,6 @@ if prompt := st.chat_input("How may I assist you today?"):
         tab1, tab2 = st.tabs(["Answer", "Sources"])
         with tab1:
             with st.spinner("Generating answer..."):
-                chain = get_chain(temperature)
                 start_time = time.time()
                 full_answer = chain.invoke({"question": query, "chat_history":st.session_state.messages})# Context is handled within the chain
                 end_time = time.time()