Update model restoration method

app.py

@@ -40,7 +40,7 @@ def lazy_load_models(models_names):
     for model_name in models_names:
         model = models[model_name]
         if not model:
-            models[model_name] = nemo_asr.models.ASRModel.restore_from(
+            models[model_name] = nemo_asr.models.EncDecCTCModelBPE.restore_from(
                 list(filter(lambda x: x.name == model_name, latest_artifacts))[0].file()
             )
             models[model_name].eval()