You should locate the default installation directory for pip
. If you use Linux it should be something like /usr/local/lib/python2.7/dist-packages
if you use python2.7
. Then locate the django-notification directory and change to the templates directory. And here they are!
A good idea is to copy the application to your project directory and change it here.
I simply suggest you take a look at virtualenv which will give you more flexibility for such forks.