import os

SITE_ID = 1

MEDIA_ROOT = os.path.normcase(os.path.dirname(os.path.abspath(__file__)))
MEDIA_URL = '/media/'

DATABASE_ENGINE = 'sqlite3'

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': ':memory:',
    }
}

INSTALLED_APPS = [
    'django.contrib.contenttypes',
    'django.contrib.sites',
    'django.contrib.auth',
    'django.contrib.admin',
    'django.contrib.messages',
    'django.contrib.sessions',
    'easy_thumbnails',
    'easy_thumbnails.optimize',
    'easy_thumbnails.tests.apps.EasyThumbnailsTestConfig',
]

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.contrib.auth.context_processors.auth',
                'django.template.context_processors.debug',
                'django.template.context_processors.i18n',
                'django.template.context_processors.media',
                'django.template.context_processors.static',
                'django.template.context_processors.tz',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

MIDDLEWARE = (
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
)

SECRET_KEY = 'easy'

@@ -990,16 +990,78 @@
 media',%0A
+                'django.template.context_processors.request',%0A
         

Fix (admin.W411) 'django.template.context_processors.request' must be enabled in DjangoTemplates (TEMPLATES) in order to use the admin navigation sidebar.