Update punc_bin.py

zhifu gao

2023-05-17 81bc0686c7173269c246fd3209d81f0e3996aa3e

 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