Update app.py

app.py

@@ -96,7 +96,7 @@ def predict_hemoglobin(age, gender, image):
 
     # Load models
     svr_model = joblib.load('svr_model.pkl')
-    scaler = joblib.load('scaler.pkl')
+    scaler = joblib.load('minmax_scaler.pkl')
     label_encoder = joblib.load('label_encoder.pkl')
 
     features_df_scaled = scaler.transform(features_df)