解决错误 django-oauth-toolkit: raise AppRegistryNotReady("模型尚未加载")

问题描述

我如何解决错误：raise AppRegistryNotReady("模型尚未加载。") django.core.exceptions.AppRegistryNotReady：模型尚未加载。 我有：

1. Django==2.0.13
2. django-oauth-toolkit==1.2.0
3. python==3.6

我运行命令 manage.py runserver 并接收回溯：

Traceback (most recent call last):
  File "xxx/python3.6/site-packages/django/apps/registry.py",line 112,in populate
    app_config.import_models()
  File "xxx/python3.6/site-packages/django/apps/config.py",line 198,in import_models
    self.models_module = import_module(models_module_name)
  File "/usr/lib/python3.6/importlib/__init__.py",line 126,in import_module
    return _bootstrap._gcd_import(name[level:],package,level)
  File "<frozen importlib._bootstrap>",line 994,in _gcd_import
  File "<frozen importlib._bootstrap>",line 971,in _find_and_load
  File "<frozen importlib._bootstrap>",line 955,in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>",line 665,in _load_unlocked
  File "<frozen importlib._bootstrap_external>",line 678,in exec_module
  File "<frozen importlib._bootstrap>",line 219,in _call_with_frames_removed
  File "xxx/models.py",line 20,in <module>
    from oauth import constants,oauth2_internal,utils
  File "xxx/oauth2_internal.py",line 15,in <module>
    oauthlib_core = get_oauthlib_core()
  File "xxx/lib/python3.6/site-packages/oauth2_provider/oauth2_backends.py",line 194,in get_oauthlib_core
    validator = oauth2_settings.OAUTH2_VALIDATOR_CLASS()
  File "xxx/lib/python3.6/site-packages/oauth2_provider/settings.py",line 143,in __getattr__
    val = perform_import(val,attr)
  File "xxx/lib/python3.6/site-packages/oauth2_provider/settings.py",line 97,in perform_import
    return import_from_string(val,setting_name)
  File "/xxx/lib/python3.6/site-packages/oauth2_provider/settings.py",line 109,in import_from_string
    module = importlib.import_module(module_path)
  File "/usr/lib/python3.6/importlib/__init__.py",level)
  File "/xxx/oauth2_validators.py",line 3,in <module>
    from oauth2_provider import oauth2_validators
  File "/xxx/lib/python3.6/site-packages/oauth2_provider/oauth2_validators.py",line 41,in <module>
    Application = get_application_model()
  File "xxx/lib/python3.6/site-packages/oauth2_provider/models.py",line 400,in get_application_model
    return apps.get_model(oauth2_settings.APPLICATION_MODEL)
  File "xxx/lib/python3.6/site-packages/django/apps/registry.py",line 190,in get_model
    self.check_models_ready()
  File "xxx/python3.6/site-packages/django/apps/registry.py",line 132,in check_models_ready
    raise AppRegistryNotReady("Models aren't loaded yet.")
django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet.

Process finished with exit code 1 

解决方法

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