Django pagination in ListView raise Error "Slice"

Question

i want display pagination on my page but i noticed that when i add "paginate_by" raise me error "slice"

class BookNotLogged(generic.ListView):
     template_name="BookNotLogged.html"
     context_object_name='listofBook'
     paginate_by = 2 #when i add this its raise me error
     model = Book
     queryset = Book.objects.all()

     def get_queryset(self):
         context={
                'book1':Book.objects.get(id="2"), 
                'book2':Book.objects.get(id="3"),
                'book3':Book.objects.get(id="4"),
                'book4':Book.objects.get(id="8"),
                'book5':Book.objects.get(id="9"),
                'book6':Book.objects.get(id="10"),
                'book7':Book.objects.get(id="11"),
                'book8':Book.objects.get(id="12"),
                'book9':Book.objects.get(id="13") 
         }
    
         return context