Update prep_mustc_data.py

prep_mustc_data.py

@@ -16,7 +16,7 @@ from typing import Tuple
 import numpy as np
 import pandas as pd
 import soundfile as sf
-from examples.speech_to_text.data_utils import (
+from data_utils import (
     create_zip,
     extract_fbank_features,
     filter_manifest_df,