Update app.py

app.py

@@ -257,7 +257,8 @@ def load_champion_models():
                  "Ensure the 5 .pkl files are in the 'models/' directory.")
         return []
 
-@st.cache_datadef load_performance_data(file_path="data/final_5_day_results_df.csv"):
+@st.cache_data
+def load_performance_data(file_path="data/final_5_day_results_df.csv"):
     """Loads pre-calculated performance data for Tab 3."""
     try:
         df = pd.read_csv(file_path)