django 'WSGIRequest' object has no attribute 'session'

Question

登录时报错'WSGIRequest' object has no attribute 'session'，我的setting配置是：MIDDLEWARE_CLASSES = [    'django.middleware.security.SecurityMiddleware',    'django.contrib.sessions.middleware.SessionMiddleware',    'django.middleware.common.CommonMiddleware',    #'django.middleware.csrf.CsrfViewMiddleware',    'django.contrib.auth.middleware.AuthenticationMiddleware',    'django.contrib.auth.middleware.SessionAuthenticationMiddleware',    'django.contrib.messages.middleware.MessageMiddleware',    'django.middleware.clickjacking.XFrameOptionsMiddleware',]请问哪里出了问题