“b079577e08f8b5ce7f8aa1b67e2209418be7ebc6”上不存在“...ngram_lm/s0/git@gitcode.net:paddlepaddle/DeepSpeech.git”
* use yapf to format all python file * yapf exclude two unittests file for they rely on writing and reading file, and format will break them * disable diff_py_file because too many diff files cause command following failed