python: no module named bz2

https://stackoverflow.com/questions/8115280/importerror-no-module-named-bz2-for-python-2-7-2

centos6.8使用源码编译安装python2.7之后，使用bz2报错： no module named bz2

简单解决方法：

sudo cp /usr/lib64/python2.6/lib-dynload/bz2.so /usr/local/lib/python2.7/