pycharm 配置 python2编译器位置

1.获取编译器位置：
python
Python 2.7.18 (v2.7.18:8d21aa21f2, Apr 19 2020, 20:48:48)
[GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.57)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> print sys.executable
/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python

2.配置interpreter
Setttings -> Python Interpreter -> Virtualenv Environment -> Base interpreter 选择上面的目录