_blocking_errnos = {errno.EAGAIN, errno.EWOULDBLOCK} pip

python2.6 get-pip.py 报错下面的错误
_blocking_errnos = {errno.EAGAIN, errno.EWOULDBLOCK} pip
解决方案：
# 1， 从官方github获取具体版本的pip
wget https://raw.githubusercontent.com/pypa/get-pip/master/2.6/get-pip.py
# 2，运行刚才获取的pip文件
python2.6 get-pip.py