How made worked models.Sum() together with models.Count in Django annotations?

For working models.Count() I am using distinct=True. It is right worked if not models.Sum().

next code right worked.

 def get_queryset(self, request):          qs = super(AnswerAdmin, self).get_queryset(request)          qs = qs.annotate(              count_likes=models.Count('likes', distinct=True),              count_comments=models.Count('comments', distinct=True),          )          return qs

I am added new annotation with models.Sum() and found not correct results

    qs = qs.annotate(          count_likes=models.Count('likes', distinct=True),          count_comments=models.Count('comments', distinct=True),          scope=models.Sum(              models.Case(                  models.When(likes__liked_it=True, then=1),                  models.When(likes__liked_it=False, then=-1),                  output_field=models.IntegerField()              ),          ),      )

Even if I added attribute distinct=True to models.Sum(), it still worked not correct.

How made worked models.Sum() and models.Count() together?

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