title: 'WSGIRequest' object has no attribute 'user' Django admin
body: <p>When I trying to access the admin page it gives me the following error:</p>
  
  <pre><code>System check identified no issues (0 silenced).
  June 21, 2016 - 15:26:14
  Django version 1.9.7, using settings 'librato_chart_sender_web.settings'
  Starting development server at http://127.0.0.1:8000/
  Quit the server with CONTROL-C.
  Internal Server Error: /admin/
  Traceback (most recent call last):
    File "/Library/Python/2.7/site-packages/django/core/handlers/base.py", line 149, in get_response
      response = self.process_exception_by_middleware(e, request)
    File "/Library/Python/2.7/site-packages/django/core/handlers/base.py", line 147, in get_response
      response = wrapped_callback(request, *callback_args, **callback_kwargs)
    File "/Library/Python/2.7/site-packages/django/contrib/admin/sites.py", line 265, in wrapper
      return self.admin_view(view, cacheable)(*args, **kwargs)
    File "/Library/Python/2.7/site-packages/django/utils/decorators.py", line 149, in _wrapped_view
      response = view_func(request, *args, **kwargs)
    File "/Library/Python/2.7/site-packages/django/views/decorators/cache.py", line 57, in _wrapped_view_func
      response = view_func(request, *args, **kwargs)
    File "/Library/Python/2.7/site-packages/django/contrib/admin/sites.py", line 233, in inner
      if not self.has_permission(request):
    File "/Library/Python/2.7/site-packages/django/contrib/admin/sites.py", line 173, in has_permission
      return request.user.is_active and request.user.is_staff
  AttributeError: 'WSGIRequest' object has no attribute 'user'
  [21/Jun/2016 15:26:18] "GET /admin/ HTTP/1.1" 500 78473
  </code></pre>
  
  <p>Im quite new in django ... but I followed this tutorial: <a href="https://docs.djangoproject.com/en/1.9/ref/contrib/admin/" rel="noreferrer">https://docs.djangoproject.com/en/1.9/ref/contrib/admin/</a></p>
  
  <p>I dont have any custom AdminSites and custom AdminModels.</p>
  
  <p>I already googled about this problem but still I cannot solve it for my case in any way. Can you help ?</p>
  
  <p>here is my <code>settings.py</code>:</p>
  
  <pre><code>"""
  Django settings for librato_chart_sender_web project.
  
  Generated by 'django-admin startproject' using Django 1.11.dev20160523235928.
  
  For more information on this file, see
  https://docs.djangoproject.com/en/dev/topics/settings/
  
  For the full list of settings and their values, see
  https://docs.djangoproject.com/en/dev/ref/settings/
  """
  
  import os
  
  # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
  BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
  
  
  # Quick-start development settings - unsuitable for production
  # See https://docs.djangoproject.com/en/dev/howto/deployment/checklist/
  
  # SECURITY WARNING: keep the secret key used in production secret!
  SECRET_KEY = '*1@+=wzrqx^6$9z&amp;@2@d8r(w$js+ktw45lv2skez(=kz+rwff_'
  
  # SECURITY WARNING: don't run with debug turned on in production!
  DEBUG = True
  
  ALLOWED_HOSTS = []
  
  
  # Application definition
  
  INSTALLED_APPS = [
      'django.contrib.admin',
      'librato_chart_sender',
      'fontawesome',
      'django.contrib.auth',
      'django.contrib.contenttypes',
      'django.contrib.sessions',
      'django.contrib.messages',
      'django.contrib.staticfiles',
  ]
  
  MIDDLEWARE = [
      'django.middleware.security.SecurityMiddleware',
      'django.contrib.sessions.middleware.SessionMiddleware',
      'django.middleware.common.CommonMiddleware',
      'django.middleware.csrf.CsrfViewMiddleware',
      'django.contrib.auth.middleware.AuthenticationMiddleware',
      'django.contrib.messages.middleware.MessageMiddleware',
      'django.middleware.clickjacking.XFrameOptionsMiddleware',
  ]
  
  ROOT_URLCONF = 'librato_chart_sender_web.urls'
  
  TEMPLATES = [
      {
          'BACKEND': 'django.template.backends.django.DjangoTemplates',
          'DIRS': [os.path.join(BASE_DIR, 'librato_chart_sender/templates')],
          'APP_DIRS': True,
          'OPTIONS': {
              'context_processors': [
                  'django.template.context_processors.debug',
                  'django.template.context_processors.request',
                  'django.contrib.auth.context_processors.auth',
                  'django.contrib.messages.context_processors.messages',
              ],
          },
      },
  ]
  
  WSGI_APPLICATION = 'librato_chart_sender_web.wsgi.application'
  
  
  # Database
  # https://docs.djangoproject.com/en/dev/ref/settings/#databases
  
  DATABASES = {
      'default': {
          'ENGINE': 'django.db.backends.sqlite3',
          'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
      }
  }
  
  
  # Password validation
  # https://docs.djangoproject.com/en/dev/ref/settings/#auth-password-validators
  
  AUTH_PASSWORD_VALIDATORS = [
      {
          'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
      },
      {
          'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
      },
      {
          'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
      },
      {
          'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
      },
  ]
  
  
  # Internationalization
  # https://docs.djangoproject.com/en/dev/topics/i18n/
  
  LANGUAGE_CODE = 'en-us'
  
  TIME_ZONE = 'GMT'
  
  USE_I18N = True
  
  USE_L10N = True
  
  USE_TZ = True
  
  
  # Static files (CSS, JavaScript, Images)
  # https://docs.djangoproject.com/en/dev/howto/static-files/
  
  STATIC_URL = '/static/'
  STATICFILES_DIRS = [
      ('css', 'librato_chart_sender/static/css'),
      ('js', 'librato_chart_sender/static/js'),
      ('fonts', 'librato_chart_sender/static/fonts'),
  ]
  </code></pre>
  
  <p>and <code>admin.py</code>:</p>
  
  <pre><code>from django.contrib import admin
  from .models import Configuration
  
  # Register your models here.
  
  admin.site.register(Configuration)
  </code></pre>