def get(self, request, pk):
    x = get_object_or_404(Forum, id=pk)
    comments = Comment.objects.filter(forum=x).order_by('-updated_at')
    comment_form = CommentForm()
    context = {'forum': x, 'comments': comments, 'comment_form': comment_form}
    return render(request, self.template_name, context)
def get(self, request, pk):
    x = get_object_or_404(Forum, id=pk)
    comments = Comment.objects.filter(forum=x).order_by('-updated_at')
    comment_form = CommentForm()
    context = {'forum': x, 'comments': comments, 'comment_form': comment_form}
    return render(request, self.template_name, context)