fixed error

app.py

@@ -1,5 +1,5 @@
 import streamlit as st
-from your_chatbot_module import process_query  # Your chatbot function
+from chatbot import process_query  # Your chatbot function
 
 # Check if a query parameter `user_input` exists
 user_input = st.experimental_get_query_params().get("user_input", [""])[0]