问题1
当用pycharm 编辑器安装django-bootstrap3 时：
$pip3 install django-bootstrap3
遇到以下错误：
Collecting django-bootstrap3==8.2.3
Using cached django-bootstrap3-8.2.3.tar.gz
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "", line 1, in
File "/Users/hh/Library/Python/3.6/lib/python/site-packages/setuptools/__init__.py", line 10, in
from six.moves import filter, map
ModuleNotFoundError: No module named 'six'
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /private/var/folders/mb/8cw7c6tx5_3bc9gjkvw6xgd80000gp/T/pycharm-packaging/django-bootstrap3/
解决方法：
$ brew install brew install gcc@5 $ pip3 install djanjo-bootstrap3
