django-extra-views save formset

views.py

 def forms_valid(self, form, inlines): #yes, f%%ng form(s)_valid, yeh...
        """
        If the form and formsets are valid, save the associated models.
        """
        self.object = form.save(commit=False)
        self.object.author = self.request.user
        form.save(commit=True)
        for formset in inlines:
            formset.save()
        return HttpResponseRedirect(self.get_success_url())