Update app.py

app.py

@@ -3,7 +3,7 @@
 import os
 import gradio as gr
 import pandas as pd
-from geo_macro import UnifiedMarketDataDownloader
+from geo_macro import UnifiedMarketDataDownloader, FRED_API_KEY
 from feature_engineering import IntegratedTheoryFeatures
 
 # Cache to avoid re-downloading data on every click
@@ -20,7 +20,7 @@ def get_data(start_date: str, end_date: str):
         return _cached_df.copy()
     
     print(f"📥 Downloading data from {start_date} to {end_date}...")
-    downloader = UnifiedMarketDataDownloader()
+    downloader = UnifiedMarketDataDownloader(FRED_API_KEY)
     df = downloader.download_all_data(start_date=start_date, end_date=end_date)
     
     _cached_df = df.copy()