Update app.py

app.py

@@ -697,7 +697,7 @@ def main():
         'Teacher': 'scaler_train_wholedata_up.joblib',
         'Student_North': 'scaler_train_North_up.joblib',
         'Student_Mid': 'scaler_train_Mid_up.joblib',
-        'Student_South': 'scaler_train_South_up.joblib'
+        'Student_South': 'scaler_train_South_up.joblib',
         'Cargo_Vessel': 'scaler_features_cargo_up_final.joblib'  # Add this line
     }