Django. How to process more than one form at once in CVB

views.py

class EditProfileView(LoginRequiredMixin, SuccessMessageMixin, FormView):
    model = User
    template_name = 'accounts/settings/settings.html'
    success_message = _('Your profile was successfully updated!')
    form_class = UserForm
    second_form_class = ProfileForm

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        if 'user_form' not in context:
            context['user_form'] = self.form_class(instance=self.request.user)
        if 'profile_form' not in context:
            context['profile_form'] = self.second_form_class(instance=self.request.user.userprofile)
        return context

    def post(self, request, *args, **kwargs):
        user_form = self.form_class(request.POST, instance=request.user)
        profile_form = self.second_form_class(request.POST, instance=request.user.userprofile)
        if user_form.is_valid() and profile_form.is_valid():
            return self.form_valid(user_form, profile_form)
        else:
            return self.form_invalid(user_form, profile_form)

    def form_valid(self, user_form, profile_form):
        with transaction.atomic():
            profile_form.save()
            user_form.save()
        return super().form_valid(user_form)

    def form_invalid(self, **kwargs):
        return self.render_to_response(self.get_context_data(**kwargs))

    def get_success_url(self):
        return reverse_lazy('accounts:profile', kwargs={'username': self.request.user.username})