Update app.py

app.py

@@ -1,15 +1,15 @@
 import streamlit as st
 from api_helper import call_api  # Keep the original API logic
 
+# Streamlit Configurations (must come first)
+st.set_page_config(page_title="💬 DUBS Chatbot", layout="centered")
+
 # Sidebar Configuration
 with st.sidebar:
     st.markdown("### DUBS Settings")
     st.markdown("""[View the source code](https://github.com/streamlit/llm-examples/blob/main/Chatbot.py)""")
     st.markdown("""[![Open in GitHub Codespaces](https://github.com/codespaces/badge.svg)](https://codespaces.new/streamlit/llm-examples?quickstart=1)""")
 
-# Streamlit Configurations
-st.set_page_config(page_title="💬 DUBS Chatbot", layout="centered")
-
 # Chat History Initialization
 if "messages" not in st.session_state:
     st.session_state["messages"] = [{"role": "assistant", "content": "Hello! How can I assist you today?"}]