36 MIDDLEWARE_CLASSES = (
 37     'django.middleware.cache.UpdateCacheMiddleware',
 38     'django.contrib.sessions.middleware.SessionMiddleware',
 39     'django.middleware.common.CommonMiddleware',
 40     # 'django.middleware.cache.CacheMiddleware',
 41     'django.contrib.auth.middleware.AuthenticationMiddleware',
 42     'django.middleware.doc.XViewMiddleware',
 43     'django.middleware.transaction.TransactionMiddleware',
 44     'django.middleware.cache.FetchFromCacheMiddleware',
 45 )