Use custom exception handler for errors.

def handle_exception(self, exc):
        """Use custom exception handler for errors."""
        if isinstance(
            exc, (rest_exceptions.NotAuthenticated,
                  rest_exceptions.AuthenticationFailed)) and self.HANDLE_UNAUTHENTICATED:
            return HttpResponseRedirect('{}?next={}'.format(
                reverse('users:login'),
                self.request.get_full_path()))

        if isinstance(exc, Http404):
            raise Http404()

        if isinstance(exc, rest_exceptions.PermissionDenied):
            raise django_exceptions.PermissionDenied()

        return super().handle_exception(exc)