Update app.py

model = mr.get_model("titanic_modal", version=1) did not work anymore

app.py

@@ -11,7 +11,16 @@ fs = project.get_feature_store()
 
 
 mr = project.get_model_registry()
-model = mr.get_model("titanic_modal", version=1)
+#model = mr.get_model("titanic_modal", version=1)
+
+EVALUATION_METRIC="accuracy"  
+SORT_METRICS_BY="max" # your sorting criteria
+
+# get best model based on custom metrics
+best_model = mr.get_best_model("titanic_modal",
+                               EVALUATION_METRIC,
+                               SORT_METRICS_BY)
+model = best_model
 model_dir = model.download()
 model = joblib.load(model_dir + "/titanic_model.pkl")