Update app.py

app.py

@@ -96,7 +96,7 @@ with st.chat_message("assistant"):
 # Main chat loop
 while True:
     # Input field for the user's message
-    user_message = st.text_input("User:", "")
+    user_message = st.text_input("User:", key="user_input")
 
     # Check if the user wants to end the conversation
     if user_message.lower() in ["bye", "goodbye", "exit"]: