Update app.py

app.py

@@ -1,6 +1,6 @@
 import streamlit as st
 import pandas as pd
-from appStore.prep_data import process_giz_worldwide, remove_duplicates, get_max_end_year
+from appStore.prep_data import process_giz_worldwide, remove_duplicates, get_max_end_year, extract_year
 from appStore.prep_utils import create_documents, get_client
 from appStore.embed import hybrid_embed_chunks
 from appStore.search import hybrid_search
@@ -314,8 +314,8 @@ else:
                         matched_countries.append(resolved_name)
             
             # Format the year range
-            start_year_str = f"{int(round(float(start_year)))}" if start_year else "Unknown"
-            end_year_str = f"{int(round(float(end_year_)))}" if end_year_ else "Unknown"
+            start_year_str = extract_year(start_year) if start_year else "Unknown"
+            end_year_str = extract_year(end_year) if end_year else "Unknown"
             
             # Build the final string
             if matched_countries: