Pycharm MySQL connection steps and Precautions

1. Modify the database connection MySQL:
　　Default: MySQLDB #MySQLDB only support Python2, does not support python3, so to be amended,
　　modified: pymysql, all you need to import the module pymysql each project,
　　modification method: In the Project Folder Alternatively the __init__.py introduced pymysql MySQLdb follows:
　　import pymysql
　　pymysql.install_as_MySQLdb ()

2. sqlite3 database to replace the original settings / py as follows:

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.mysql',
        'NAME': 'Upload_Files',
        'USER': 'root',
        'PASSWORD': '123123',
        'HOST': '',
        'PORT': '3306',
    }
}

3. Since the version of the problem: commented: lib \ site-packages \ django \ db \ backends \ mysql \ base.py in

if version < (1, 3, 13):
    raise ImproperlyConfigured('mysqlclient 1.3.13 or newer is required; you have %s.' % Database.__version__)

4. Then: lib \ site-packages \ django \ db \ backends \ mysql \ operations.py decode line 146 into encode

5. The terminal creates a database (or use an existing database)
6. Execute the following code in a terminal
python3 manage makemigrations .py
python3 manage.py the migrate