Update app.py

app.py

@@ -97,7 +97,7 @@ if st.sidebar.button("Clear Chat History"):
 # Display chat history
 st.sidebar.write("### Previous Questions")
 for idx, chat in enumerate(reversed(st.session_state.chat_history), 1):
-    # Create a button for each previous question
-    if st.sidebar.button(f"Question {len(st.session_state.chat_history) - idx + 1}: {chat['question']}"):
-        # Display the corresponding answer when the button is clicked
-        st.sidebar.write(f"**Answer:** {chat['answer']}")
+    # Expander for each chat history item
+    with st.sidebar.expander(f"Question {len(st.session_state.chat_history) - idx + 1}"):
+        st.write(f"**Question:** {chat['question']}")
+        st.write(f"**Answer:** {chat['answer']}")