" error: command 'gcc' failed with exit status 1 ". 

安装失败，因为缺少Python开发和一些依赖项。

纠正GCC问题的最佳方法：

你需要重新安装gcc，gcc-c + +和依赖

For python 2.7

$ sudo yum -y install gcc gcc-c++ kernel-devel

$ sudo yum -y install python-devel libxslt-devel libffi-devel openssl-devel

$ pip install "your python packet"

For python 3.4

$ sudo apt-get install python3-dev

$ pip install "your python packet"