Question:
OSError: [Errno 1] Operation not permitted: '/tmp/pip-W13DsU-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/numpy-1.8.0rc1-py2.7.egg-info'
Solution:
sudo pip install numpy --upgrade --ignore-installed
Refer to the blog: http://www.cnblogs.com/xiongqiangcs/p/4914049.html