🐛 fix typing issues among java.lang.String and Python str

mowl/base_models/elmodel.py

@@ -9,7 +9,17 @@ def __init__(self, dataset):
         super().__init__(dataset)
 
         self._data_loaded = False
-
+        self.extended = None
+
+    def init_model(self):
+        raise NotImplementedError()
+
+    def load_best_model(self):
+        self.load_data(extended = self.extended)
+        self.init_model()
+        self.model.load_state_dict(th.load(self.model_filepath))
+        self.model.eval()
+
     def gci0_loss(self):
         raise NotImplementedError()