没有python_speech_features包

[jackjieliu]

使用作者提供模型导出模型时提示一下错误：
Traceback (most recent call last):
File "D:/gitDataset/BaiduAI_SR_sent/MASR/export_model.py", line 4, in
from masr.trainer import MASRTrainer
File "D:\gitDataset\BaiduAI_SR_sent\MASR\masr\trainer.py", line 20, in
from masr.data_utils.featurizer.audio_featurizer import AudioFeaturizer
File "D:\gitDataset\BaiduAI_SR_sent\MASR\masr\data_utils\featurizer\audio_featurizer.py", line 2, in
from python_speech_features import delta
ModuleNotFoundError: No module named 'python_speech_features'

[yeyupiaoling]

安装依赖环境：
https://github.com/yeyupiaoling/MASR/blob/master/requirements.txt