django-cors-headers not work
INSTALLED_APPS = ( \'django.contrib.admin\', \'django.contrib.auth\', \'django.contrib.contenttypes\', \'django.
Are you trying to use the url inside an iframe?
iframe
If that is the case, then the header X-Frame-Options: SAMEORIGIN might be causing a problem.
X-Frame-Options: SAMEORIGIN
To fix it remove the middleware, django.middleware.clickjacking.XFrameOptionsMiddleware.
django.middleware.clickjacking.XFrameOptionsMiddleware