modified AuthorListView in views.py in bookshelf module

bookshelf/views.py

 from django.shortcuts import render
 from django.views import generic
-from .models import Books
+from .models import Books, Author
 
 # Create your views here.
 
@@ -24,8 +24,10 @@ class BookDetailView(generic.DetailView):
 
 
 class AuthorListView(generic.ListView):
-    pass
-
+    model = Author
+    template_name = 'bookshelf/authors.html'
+    queryset = Author.objects.all()
+    context_object_name = 'authors'
 
 class AuthorDetailView(generic.DetailView):
     pass