update

examples/mpnet_aishell/step_2_train_model.py

@@ -171,6 +171,7 @@ def main():
     for epoch_i in serialization_dir.glob("epoch-*"):
         epoch_i = Path(epoch_i)
         epoch_idx = epoch_i.stem.split("-")[1]
+        epoch_idx = int(epoch_idx)
         if epoch_idx > epoch_max:
             epoch_max = epoch_idx