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  • django3执行迁移出现:django.core.exceptions.ImproperlyConfigured: Cannot import

    django3执行数据库迁移时出现如下错误:

    Traceback (most recent call last):
      File "/usr/local/lib/python3.8/dist-packages/django/apps/config.py", line 244, in create
        app_module = import_module(app_name)
      File "/usr/lib/python3.8/importlib/__init__.py", line 127, in import_module
        return _bootstrap._gcd_import(name[level:], package, level)
      File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
      File "<frozen importlib._bootstrap>", line 991, in _find_and_load
      File "<frozen importlib._bootstrap>", line 973, in _find_and_load_unlocked
    ModuleNotFoundError: No module named 'students'
    
    During handling of the above exception, another exception occurred:
    
    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 "/usr/local/lib/python3.8/dist-packages/django/core/management/__init__.py", line 419, in execute_from_command_line
        utility.execute()
      File "/usr/local/lib/python3.8/dist-packages/django/core/management/__init__.py", line 395, in execute
        django.setup()
      File "/usr/local/lib/python3.8/dist-packages/django/__init__.py", line 24, in setup
        apps.populate(settings.INSTALLED_APPS)
      File "/usr/local/lib/python3.8/dist-packages/django/apps/registry.py", line 91, in populate
        app_config = AppConfig.create(entry)
      File "/usr/local/lib/python3.8/dist-packages/django/apps/config.py", line 246, in create
        raise ImproperlyConfigured(
    django.core.exceptions.ImproperlyConfigured: Cannot import 'students'. Check that 'apps.students.apps.studentsConfig.name' is correct.

    出现原因:因为students这个被创建在apps的文件夹里

     apps.py文件内容

    from django.apps import AppConfig
    
    
    class StudentsConfig(AppConfig):
        default_auto_field = 'django.db.models.BigAutoField'
        name = 'students'

    解决办法:将name = 'students',改成name = 'apps.students'

    from django.apps import AppConfig
    
    
    class StudentsConfig(AppConfig):
        default_auto_field = 'django.db.models.BigAutoField'
        name = 'apps.students'

    然后再执行,python3 manage.py makemigrates

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  • 原文地址:https://www.cnblogs.com/xypbk/p/15213459.html
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