* add multiprocessing for wenetspeech text segmentation
* Fix preparing char based lang for wenetspeech
* fix style
Co-authored-by: WeijiZhuang <zhuangweiji@xiaomi.com>
* add char-based pruned-rnnt2 for wenetspeech
* style check
* style check
* change for export.py
* do some changes
* do some changes
* a small change for .flake8
* solve the conflicts