added delay for session state

multi_env_compare.py

@@ -3,6 +3,7 @@ import streamlit as st
 import numpy as np
 from pre import preprocess_uploaded_file
 from difflib import SequenceMatcher
+import time
 
 def similar(a, b, threshold=0.9):
     return SequenceMatcher(None, a, b).ratio() > threshold
@@ -26,11 +27,17 @@ def perform_multi_env_analysis(uploaded_dataframes):
     selected_functional_areas = st.multiselect(
         "Select functional areas",
         unique_areas,
-        default=st.session_state.selected_functional_areas
+        default=st.session_state.selected_functional_areas,
+        key="functional_areas_multiselect"
     )
 
-    # Update session state with the new selection
-    st.session_state.selected_functional_areas = selected_functional_areas
+    # Add a button to confirm the selection
+    if st.button("Confirm Functional Area Selection"):
+        # Update session state with the new selection
+        st.session_state.selected_functional_areas = selected_functional_areas
+        st.success("Functional area selection updated!")
+        time.sleep(0.5)  # Add a small delay for better user experience
+        st.rerun()  # Rerun the app to reflect the changes
 
     if "All" in selected_functional_areas:
         selected_functional_areas = combined_data['Functional area'].unique()