Update app.py

app.py

@@ -169,7 +169,7 @@ with input_container:
             chatbot.update_q_values(user_sentiment, reward, user_sentiment)
             
             # Display the AI's response
-            with st.chat_message("ai", emoji="🤖"):
+            with st.chat_message("ai"):
                 st.markdown(response)
                 st.session_state.user_sentiment = user_sentiment
                 st.session_state.mood_trend = mood_trend