Update app.py

app.py

@@ -150,7 +150,8 @@ load_css()
 # --- 3. DATA & MODEL LOADING FUNCTIONS (WITH CACHING) ---
 # Checklist Items 1 & 2: Cache all heavy operations
 
-@st.cache_datadef load_hourly_data(file_path="data/final_hourly_feature_dataset.csv"):
+@st.cache_data
+def load_hourly_data(file_path="data/final_hourly_feature_dataset.csv"):
     """Loads the Hourly Direct dataset using the provided demo file."""
     try:
         # Tải file features hourly từ thư mục 'data/'