app.py

import streamlit as st

st.title("Hello World!")

prompt = st.chat_input("Say something")


if prompt:
    try:
        with st.chat_message("user"):
            st.markdown(prompt)
    except:
        try:
            with st.chat_message("user"):
                st.markdown(prompt)
        except Exception as e:
            st.write(str(e))