Update app.py

app.py

@@ -108,4 +108,3 @@ if user_input := st.chat_input("Ask your Java question (e.g., 'How to implement
         answer = java_coding_assistant(user_input)
         st.markdown(answer, unsafe_allow_html=True)
     st.session_state.messages.append({"role": "assistant", "content": answer})
-```