Update app.py

app.py

@@ -146,7 +146,7 @@ with st.chat_message("assistant"):
 #user_message = st.chat_input("Enter message")
 
 # React to user input
-if user_message := st.chat_input("Enter message")
+if user_message := st.chat_input("Enter message"):
     # Display user message in chat message container
     st.chat_message("user").markdown(prompt)
     # Add user message to chat history