os : windows 10 64bits
python: 3.7.3(anaconda)

# -*- coding: utf-8 -*-
from aip import AipSpeech

""" 你的 APPID AK SK """
APP_ID = ''
API_KEY = 'xxx'
SECRET_KEY = 'yyy'

client = AipSpeech(APP_ID, API_KEY, SECRET_KEY)

def get_file_content(filePath):
with open(filePath, 'rb') as fp:
return fp.read()

# 识别本地文件
# 呼叫"client.asr(get_file_content('01.wav'), 'wav', 16000)"会产生bug
"""
Traceback (most recent call last):
File "baidu_speech_reg_api.py", line 18, in
results = client.asr(get_file_content('01.wav'), 'wav', 16000)
File "C:\Users\yyyy\Anaconda3\envs\pyside2\lib\site-packages\aip\speech.py", line 78, in asr
return self._request(self.__asrUrl, data)
File "C:\Users\yyyy\Anaconda3\envs\pyside2\lib\site-packages\aip\base.py", line 90, in _request
params = self._getParams(authObj)
File "C:\Users\yyyy\Anaconda3\envs\pyside2\lib\site-packages\aip\base.py", line 190, in _getParams
params['access_token'] = authObj['access_token']
KeyError: 'access_token'
"""
results = client.asr(get_file_content('01.wav'), 'wav', 16000)

print(results)

请问这段程序有没有什么地方写错了?
我查了base.py，似乎是认证无法通过的样子
但是使用相同的keys,ocr和图像分类的例子可以运行无碍