After registration, redirect to the home page or supplied "next"
        query string or hidden field value.

def post_registration_redirect(self, request, user):
        """
        After registration, redirect to the home page or supplied "next"
        query string or hidden field value.
        
        """
        next_url = "/registration/register/complete/"
        if "next" in request.GET or "next" in request.POST:
            next_url = request.GET.get("next", None) or request.POST.get("next", None) or "/"
            
        return (next_url, (), {})