Update app.py

app.py

@@ -12,7 +12,7 @@ with open("cluster_fatigue_map.json") as f:
     cluster_fatigue_map = json.load(f)
 
 # Load trained regressor
-model = joblib.load("gb_regressor.joblib")
+model = joblib.load("fatigue_model.joblib")
 
 feature_cols = [
     "AVRR", "SDNN", "RMSSD", "PNN50", "Coefficient_of_Variation",