django.db.utils.OperationalError: (1050, "Table 'cmdb_nethost' already exists")

$_PYTHON manage.py   migrate
Operations to perform:
   Apply all migrations: accounts, admin, appconf, auth, branches, celery_results, cmdb, contenttypes, delivery, django_celery_beat, navi, sessions
Running migrations:
   Applying cmdb.0004_auto_20190802_1528...Traceback (most recent call last):

解决:
insert into django_migrations values(40,'cmdb','0004_auto_20190802_1528','2019-08-06 07:20:08');

| 37 | navi               | 0001_initial                             | 2019-07-21 00:08:19 |
| 38 | sessions           | 0001_initial                             | 2019-07-21 00:08:19 |
| 39 | appconf            | 0005_auto_20190802_1519                  | 2019-08-02 07:20:08 |
| 40 | cmdb               | 0004_auto_20190802_1528                  | 2019-08-06 07:20:08 |
+----+--------------------+------------------------------------------+---------------------+
40 rows in set (0.00 sec)

mysql> select * from django_migrations;