您好，请问在迁移过程中出现下边错误是怎么回事呢？我只是新建一个模型类，是不是我的install_app哪个有问题呢？
D:\WorkProjects\TsetProjects\Dbtest111>python manage.py migrate
Operations to perform:
Apply all migrations: Myapp, admin, auth, contenttypes, flatpages, redirects, sessions, sites
Running migrations:
Applying Myapp.0001_initial... OK
Applying contenttypes.0001_initial... OK
Applying auth.0001_initial... OK
Applying admin.0001_initial... OK
Applying admin.0002_logentry_remove_auto_add... OK
Applying contenttypes.0002_remove_content_type_name... OK
Applying auth.0002_alter_permission_name_max_length... OK
Applying auth.0003_alter_user_email_max_length... OK
Applying auth.0004_alter_user_username_opts... OK
Applying auth.0005_alter_user_last_login_null... OK
Applying auth.0006_require_contenttypes_0002... OK
Applying auth.0007_alter_validators_add_error_messages... OK
Applying auth.0008_alter_user_username_max_length... OK
Applying sites.0001_initial... OK
Applying flatpages.0001_initial... OK
Applying redirects.0001_initial... OK
Applying sessions.0001_initial... OK
Applying sites.0002_alter_domain_unique...Traceback (most recent call last):
File "manage.py", line 22, in <module>
execute_from_command_line(sys.argv)
File "C:\Python36\lib\site-packages\django\core\management__init.py", line 363, in execute_from_command_line
utility.execute()
File "C:\Python36\lib\site-packages\django\core\management__init.py", line 355, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "C:\Python36\lib\site-packages\django\core\management\base.py", line 283, in run_from_argv
self.execute(*args, cmd_options)
File "C:\Python36\lib\site-packages\django\core\management\base.py", line 330, in execute
output = self.handle(*args, options)
File "C:\Python36\lib\site-packages\django\core\management\commands\migrate.py", line 204, in handle
fake_initial=fake_initial,
File "C:\Python36\lib\site-packages\django\db\migrations\executor.py", line 115, in migrate
state = self._migrate_all_forwards(state, plan, full_plan, fake=fake, fake_initial=fake_initial)
File "C:\Python36\lib\site-packages\django\db\migrations\executor.py", line 145, in _migrate_all_forwards
state = self.apply_migration(state, migration, fake=fake, fake_initial=fake_initial)
File "C:\Python36\lib\site-packages\django\db\migrations\executor.py", line 244, in apply_migration
state = migration.apply(state, schema_editor)
File "C:\Python36\lib\site-packages\django\db\migrations\migration.py", line 129, in apply
operation.database_forwards(self.app_label, schema_editor, old_state, project_state)
File "C:\Python36\lib\site-packages\django\db\migrations\operations\fields.py", line 215, in database_forwards
schema_editor.alter_field(from_model, from_field, to_field)
File "C:\Python36\lib\site-packages\ibm_db_django\schemaEditor.py", line 435, in alter_field
'name': self._create_index_name(model._meta.db_table, [new_field.column], suffix="_uniq"),
File "C:\Python36\lib\site-packages\django\db\backends\base\schema.py", line 845, in _create_index_name
table_name = strip_quotes(model._meta.db_table)
AttributeError: 'str' object has no attribute '_meta'
我的setting-installed_app
INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'django.contrib.flatpages',
'django.contrib.redirects',
'django.contrib.sites',
'Myapp'
]
