Update app.py

app.py

@@ -214,7 +214,7 @@ def main():
 
     for i, (sender, message) in enumerate(st.session_state.chat_history):
         if sender == "user":
-            st.chat_message(message, key=f"user_{i}", avatar_style="adventurer")
+            st.chat_message(message, avatar_style="adventurer")
             if st.button("👎", key=f"dislike_{i}"):
                 feedback = st.text_input("Please provide your feedback:", key=f"feedback_{i}")
                 if feedback: