[python]It is a distutils installed project

sudo pip install pandas

Installing collected packages: numpy, six, python-dateutil, pandas
  Found existing installation: numpy 1.8.0rc1
Cannot uninstall 'numpy'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall.
You are using pip version 18.1, however version 19.1.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.

sudo pip install --upgrade pip

pip list|grep numpy
numpy                                  1.8.0rc1

• 要求1.12版本，可是1.8版本

cd /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python
sudo rm -rf ./numpy/
rm: ./numpy/: Operation not permitted
# 沒權限，sudo也不行

• 強行安裝解決：

sudo pip install numpy --ignore-installed numpy
Successfully installed numpy-1.16.4

• https://blog.csdn.net/qq_31747765/article/details/80303366