python2.7 安装channels出现Command"python setup.py egg_info" failed with error code 1 in /tmp/pip-build-y

python2.7 安装channel出现

Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-ySL1N7/async-timeout/
 

解决办法：

1.python -m pip install --upgrade pip setuptools

2.pip install pathlib

3.pip install channels

http://blog.csdn.net/u014221090/article/details/78961932