exit when send all data for python ws client (#627)

zhaomingwork

2023-06-13 38ccf84873508eb0153b5213b387cd20ce775a1b

 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