我在项目中使用django rest-framework（DRF）的令牌认证，在创建用户时创建令牌。一切工作正常，直到我添加DRF文档中的这行代码：
url(r'^api-token-auth/', 'rest_framework.authtoken.views.obtain_auth_token'),
创建一个端点，当正确提交用户名和密码后，返回用户令牌。
它会抛出这个错误：
ImportError: No module named rest_framework.authtoken
这很奇怪，因为DRF没有问题，所以必须将其包含在我的PYTHONPATH中。
我还运行了python manage.py syncdb和适当的迁移。
有什么想法是什么出了问题？
Settings.py：
THIRD_PARTY_APPS = (
'south', # Database migration helpers:
'crispy_forms', # Form layouts
'avatar', # for user avatars
'rest_framework', # for rest
'django_rq', # for aysnc
'rest_framework_swagger', # for exploring the api
'rest_framework.authtoken',
)
INSTALLED_APPS = DJANGO_APPS + THIRD_PARTY_APPS + LOCAL_APPS
完整的堆栈跟踪：
Unhandled exception in thread started by <function wrapper at 0x1046096e0>
Traceback (most recent call last):
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/django/utils/autoreload.py", line 93, in wrapper
fn(*args, **kwargs)
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/django/core/management/commands/runserver.py", line 101, in inner_run
self.validate(display_num_errors=True)
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/django/core/management/base.py", line 310, in validate
num_errors = get_validation_errors(s, app)
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/django/core/management/validation.py", line 34, in get_validation_errors
for (app_name, error) in get_app_errors().items():
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/django/db/models/loading.py", line 196, in get_app_errors
self._populate()
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/django/db/models/loading.py", line 78, in _populate
self.load_app(app_name)
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/django/db/models/loading.py", line 99, in load_app
models = import_module('%s.models' % app_name)
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/django/utils/importlib.py", line 40, in import_module
__import__(name)
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/debug_toolbar/models.py", line 63, in <module>
patch_root_urlconf()
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/debug_toolbar/models.py", line 51, in patch_root_urlconf
reverse('djdt:render_panel')
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/django/core/urlresolvers.py", line 480, in reverse
app_list = resolver.app_dict[ns]
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/django/core/urlresolvers.py", line 310, in app_dict
self._populate()
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/django/core/urlresolvers.py", line 273, in _populate
for name in pattern.reverse_dict:
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/django/core/urlresolvers.py", line 296, in reverse_dict
self._populate()
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/django/core/urlresolvers.py", line 285, in _populate
lookups.appendlist(pattern.callback, (bits, p_pattern, pattern.default_args))
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/django/core/urlresolvers.py", line 229, in callback
self._callback = get_callable(self._callback_str)
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/django/utils/functional.py", line 32, in wrapper
result = func(*args)
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/django/core/urlresolvers.py", line 100, in get_callable
not module_has_submodule(import_module(parentmod), submod)):
File "/Users/admin/dev/ncla-web/env/lib/python2.7/site-packages/django/utils/importlib.py", line 40, in import_module
__import__(name)
ImportError: No module named rest_framework.authtoken
'rest_framework.authtoken'添加到了INSTALLED_APPS中？不确定为什么会导致导入问题，但只是确认一下。 - Alex