Fixed #18589 -- Typo in generic CBV docs.

        def get_context_data(self, **kwargs):

            # Call the base implementation first to get a context

            context = super(PublisherDetailView, self).get_context_data(**kwargs)

            context = super(PublisherDetail, self).get_context_data(**kwargs)

            # Add in a QuerySet of all the books

            context['book_list'] = Book.objects.all()

            return context

    from django.views.generic import ListView

    from books.models import Book

    class AcmeBookListView(ListView):

    class AcmeBookList(ListView):

        context_object_name = 'book_list'

        queryset = Book.objects.filter(publisher__name='Acme Publishing')

        def get_context_data(self, **kwargs):

            # Call the base implementation first to get a context

            context = super(PublisherBookListView, self).get_context_data(**kwargs)

            context = super(PublisherBookList, self).get_context_data(**kwargs)

            # Add in the publisher

            context['publisher'] = self.publisher

            return context