fix bug

Author: chenyangkang

stemflow/model/AdaSTEM.py

@@ -1494,7 +1494,7 @@ def load(tar_gz_file, new_lazy_loading_path=None, remove_original_file=False):
         if model.lazy_loading:
             for model_name in model.model_dict:
                 if isinstance(model.model_dict[model_name], LazyLoadingEstimator):
-                    model.model_dict[model_name].dump_dir = Path(os.path.join(new_lazy_loading_path, 'models', 'ensemble_' + model_name.split('_')[1]))
+                    model.model_dict[model_name].dump_dir = Path(os.path.join(new_lazy_loading_path, 'models', 'ensemble_' + model_name.split('_')[0]))
 
         if remove_original_file:
             os.remove(tar_gz_file)