change readme for more detail

zhaomingwork

2023-05-15 c8fe32c5bc0d7ec434d4cbce9f38bd0e1617c93a

 egs/aishell/transformer/utils/prepare_checkpoint.py

@@ -1,8 +1,6 @@
import os
import shutil

from modelscope.pipelines import pipeline
from modelscope.utils.constant import Tasks
from modelscope.hub.snapshot_download import snapshot_download