报错信息：
[Errno socket error] [Errno 1] _ssl.c:504: error:14077438:SSL routines:SSL23_GET_SERVER_HELLO:tlsv1 alert internal error
Django Setting文件里面已经安装配置配置了，附上setting部分代码：
INSTALLED_APPS = (
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
#'django_cas',
)
MIDDLEWARE_CLASSES = (
'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',
'django_cas.middleware.CASMiddleware',
'django.middleware.doc.XViewMiddleware',
)
AUTHENTICATION_BACKENDS = (
'django.contrib.auth.backends.ModelBackend',
'django_cas.backends.CASBackend',
)
CAS_SERVER_URL=‘xxx.xxx.xxx/login’
