Update app.py

app.py

@@ -125,7 +125,7 @@ tabs = st.tabs(["Chat", "URL and Tools", "User Description", "Developers"])
 
 # Tab 1: Chat
 if tabs[0]:
-    with st.beta_expander("Chat"):
+    with st.expander("Chat"):
         # Chat code (user input, agent responses, etc.)
         if "messages" not in st.session_state:
             st.session_state.messages = []
@@ -189,7 +189,7 @@ if tabs[0]:
 
 # Tab 2: URL and Tools
 elif tabs[1]:
-    with st.beta_expander("URL and Tools"):
+    with st.expander("URL and Tools"):
         # Code for URL and Tools checkboxes 
     
         # Examples for the user perspective
@@ -217,7 +217,7 @@ elif tabs[1]:
 
 # Tab 3: User Description
 elif tabs[2]:
-    with st.beta_expander("App Description"):
+    with st.expander("App Description"):
         # User description content and tool descriptions
         # Add a section for the app's description
         st.markdown(''' 
@@ -276,7 +276,7 @@ elif tabs[2]:
 
 # Tab 4: Developers
 elif tabs[3]:
-    with st.beta_expander("Developers"):
+    with st.expander("Developers"):
         # Developer-related content
         st.markdown('''