fix load model schedule error, config optional. (#3008)

paddlespeech/s2t/exps/wav2vec2/model.py

@@ -591,7 +591,7 @@ class Wav2Vec2ASRTrainer(Trainer):
     def setup_dataloader(self):
         config = self.config.clone()
         self.use_streamdata = config.get("use_stream_data", False)
-        self.use_sb = config.use_sb_pipeline
+        self.use_sb = config.get("use_sb_pipeline", False)
         if self.use_sb:
             hparams_file = config.sb_pipeline_conf
             with open(hparams_file, 'r', encoding='utf8') as fin:

paddlespeech/s2t/training/scheduler.py

@@ -220,7 +220,6 @@ class NewBobScheduler(LRScheduler):
 
     def load(self, data):
         """Loads the needed information."""
-        data = paddle.load(data)
         self.last_epoch = data["current_epoch_index"]
         self.hyperparam_value = data["hyperparam_value"]
         self.metric_values = data["metric_values"]