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

zhaomingwork

2023-06-13 38ccf84873508eb0153b5213b387cd20ce775a1b

 egs/wenetspeech/conformer/local/data.sh

@@ -13,11 +13,12 @@

# general configuration
nj=10
stage=1
stage=2
stop_stage=100
set=L
data_dir="data"
WENETSPEECH=
train_cmd=

log "$0 $*"
. utils/parse_options.sh