jacobian/djangobook.com — pull request #47 by pepenacho (2013-06-05 02:59:45+00:00)
Title: Update chapter06.rst

This line:
from mysite.books.models import Publisher, Author, Book
Requires to be:
from books.models import Publisher, Author, Book

If not, you get a 404 error saying that models does not exist under mysite.books