Bugfix bookshelf/urls.py

ciellafrancisco_reading/bookshelf/urls.py

 from django.urls import path
 
-from .views import home_view, BooksDetailView, BooksListView, AuthorDetailView, AuthorListView
+from .views import (
+    home_view,
+    BooksDetailView, BooksListView, BooksCreateView, BooksUpdateView,
+    AuthorDetailView, AuthorListView, AuthorCreateView, AuthorUpdateView,
+)
 
 urlpatterns = [
     path('home/', home_view, name='home_view'),