Update lm_train_tutorial.md

Yabin Li

2023-12-15 d2266616a142b7f57f29f1a840458a9865f953ac

 funasr/bin/lm_inference_launch.py

@@ -183,6 +183,7 @@
            dtype=dtype,
            batch_size=batch_size,
            key_file=key_file,
            preprocess_fn=preprocessor,
            num_workers=num_workers,
        )