您好，我是 python 和 django 的新手，我正在练习 django，但是当我命令 python manage.py makemigration 和 python manage.py migrate 时，我收到了标题中显示的错误。下面提到了完整的错误。
寻求帮助，谢谢
C:\Users\Manan\python projects\djangoandmongo\new_Socrai>python manage.py migrate
Operations to perform:
Apply all migrations: admin, auth, contenttypes, sessions
Running migrations:
Applying contenttypes.0001_initial... OK
Applying auth.0001_initial... OK
Applying admin.0001_initial... OK
Applying admin.0002_logentry_remove_auto_add... OK
Applying admin.0003_logentry_add_action_flag_choices... 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 auth.0009_alter_user_last_name_max_length... OK
Applying auth.0010_alter_group_name_max_length... OK
Applying auth.0011_update_proxy_permissions... OK
Applying …每当我运行服务器或在终端中执行任何命令时，都会在终端中显示此错误。服务器正在运行并且网页工作正常，但是当我退出服务器或运行任何命令（如 python manage.py migrate）时，会显示此错误。
`Watching for file changes with StatReloader
Performing system checks...
System check identified no issues (0 silenced).
September 21, 2020 - 12:42:24
Django version 3.0, using settings 'djangoblog.settings'
Starting development server at http://127.0.0.1:8000/
Quit the server with CTRL-BREAK.
Traceback (most recent call last):
File "manage.py", line 22, in <module>
main()
File "manage.py", line 18, in main
execute_from_command_line(sys.argv)
File "C:\Python37\lib\site-packages\django\core\management\__init__.py", line 401, in execute_from_command_line
utility.execute()
File "C:\Python37\lib\site-packages\django\core\management\__init__.py", line 395, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "C:\Python37\lib\site-packages\django\core\management\base.py", line 341, in run_from_argv …