inlineformset_factory editing

def edit_books(request, author_id):
    author = Author.objects.get(pk=author_id)
    author_form = AuthorModelForm(instance=author)
    BookInlineFormSet = inlineformset_factory(Author, Book, fields=('title',))

    if request.method == "POST":
        author_form = AuthorModelForm(request.POST)
        formset = BookInlineFormSet(request.POST, request.FILES, instance=author)

        if author_form.is_valid():
            created_author = author_form.save(commit=False)
            formset = BookInlineFormSet(request.POST, request.FILES, instance=created_author)

            if formset.is_valid():
                created_author.save()
                formset.save()
                return HttpResponseRedirect(created_author.get_absolute_url())
    else:
        author_form = AuthorModelForm(instance=author)
        formset = BookInlineFormSet(instance=author)

    return render(request, "edit_books.html", {
        "author_form": author_form,
        "formset": formset,
    })