python - AuthTokenSerializer. Invalid data. Expected a dictionary, but got Request. Django -


sorry english. have learning django rest , want create token authorization. did tutorial, have error, when send data server 

{     "non_field_errors": [         "invalid data. expected dictionary, got request."     ] }

my setting file:

installed_apps = [     'django.contrib.admin',     'django.contrib.auth',     'django.contrib.contenttypes',     'django.contrib.sessions',     'django.contrib.messages',     'django.contrib.staticfiles',     'rest_framework',     'rest_framework.authtoken',      'users', ]  ..  .. rest_framework = {     'default_permission_classes': ('rest_framework.permissions.isauthenticated',),     'page_size': 10,      'default_authentication_classes': (         'rest_framework.authentication.tokenauthentication',         'rest_framework.authentication.basicauthentication',         'rest_framework.authentication.sessionauthentication',     ) }

my url

urlpatterns = [     url(r'^authtoken', views.obtainauthtoken.as_view()), ]

my view

class obtainauthtoken(apiview):     permission_classes = (permissions.allowany,)     serializer_class = authtokenserializer      def post(self, request):         serializer = self.serializer_class(data=request)         serializer.is_valid(raise_exception=true)         user = serializer.validated_data['user']         token, created = token.objects.get_or_create(user=user)         return response({'token': token.key}, status.http_201_created)

i dont understand why have error

you need pass request.data, not request, serializer.

serializer = self.serializer_class(data=request.data)

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