[Django] No mudule named mysqldb (solved)

In my case, Django 1.10 ver

change from sqlite3 to mysql(RDS), get error.

" django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb "

- first read django doc (https://docs.djangoproject.com/en/1.10/ref/databases/#mysql-db-api-drivers)

solve: 

$ pip install mysqlclient 

(if error)

$ sudo apt-get install python-dev libmysqllient-dev

$ pip install mysqlclient