(venv) D:\geodj\geodjango>python manage.py makemigrations
Traceback (most recent call last):
  File "D:\geodj\venv\lib\site-packages\django\db\backends\postgresql\base.py", line 25, in <module>
    import psycopg2 as Database
ModuleNotFoundError: No module named 'psycopg2'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "manage.py", line 21, in <module>
    main()
  File "manage.py", line 17, in main
    execute_from_command_line(sys.argv)
    from django.db.backends.postgresql.base import (
  File "D:\geodj\venv\lib\site-packages\django\db\backends\postgresql\base.py", line 29, in <module>
    raise ImproperlyConfigured("Error loading psycopg2 module: %s" % e)
django.core.exceptions.ImproperlyConfigured: Error loading psycopg2 module: No module named 'psycopg2'
(venv) D:\geodj\geodjango>pip install psycopg2
Collecting psycopg2
  Using cached psycopg2-2.8.5-cp37-cp37m-win_amd64.whl (1.1 MB)
Installing collected packages: psycopg2
Successfully installed psycopg2-2.8.5
				
运行出错：ImportError: No module named psycopg2
import psycopg2
Traceback (most recent call last):
File “”, line 1, in 
ImportError: No module named psycopg2
安装出错：
[root@localhost pyscript]#  pip install psycopg2
DEPRECATION: Python 2.7 reached the end of its l
				
在使用Django连接postgresql数据库的时候，使用python manage.py migrate创建数据库时提示：
django.core.exceptions.ImproperlyConfigured: Error loading psycopg2 module: No module named 'psycopg2'
解决办法：
apt install psycopg2如果失败了...
				
Error loading psycopg2 module: No module named ‘psycopg2’，
此问题的存在是在Django在连接自己的数据库是所报错的
官方文档也有明确的解决办法
在setting.py 中设置连接属性
DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql',
        'NAME': 'mydatabase',
        'USER': 'mydat
				
在 Mac 下使用 PostgreSQL 首先要安装 
http://www.cnblogs.com/shineqiujuan/p/4703304.html (一个比较好的网站有详细的安装过程)
安装结束后,在你的Django 工程的setting.py 文件中配置:
DATABASES = {
    'default': {
        'ENGINE': 'django.db.