pip install pyaudio -i http://pypi.douban.com/simple/安装失败

pip install pyaudio -i http://pypi.douban.com/simple/ 报错：

Looking in indexes: http://pypi.douban.com/simple/
WARNING: The repository located at pypi.douban.com is not a trusted or secure host and is being ignored. If this repository is available via HTTPS we recommend you use HTTPS instead, otherwise you may silence this warning and allow it anyway with '--trusted-host pypi.douban.com'.
ERROR: Could not find a version that satisfies the requirement pyaudio (from versions: none)
ERROR: No matching distribution found for pyaudio

解决办法：http改成https,即>pip install -i https://pypi.doubanio.com/simple/ kivy.deps.gstreamer