class Comment(models.Model):    post = models.ForeignKey(Post, on_delete=models.CASCADE, related_name='comments')    author = models.CharField(max_length=200)    text = models.TextField()    image = models.ImageField(upload_to='Comment_Pictures', blank=True)    date_posted = models.DateTimeField(default=timezone.now)    def __str__(self):        return self.text    def get_absolute_url(self):        return '/'class CommentAddView(LoginRequiredMixin, CreateView):    model = Comment    fields = ['text', 'image']    def form_valid(self, form):        form.instance.author = self.request.user        form.instance.post = Post.objects.get(id=self.kwargs['pk'])        return super().form_valid(form)class CommentDeleteView(LoginRequiredMixin, UserPassesTestMixin, DeleteView):    model = Comment    success_url = '/'    def test_func(self):        comment = self.get_object()        if request.user == comment.author:            return True        return FalseTypeError at /post/3/comment/ 'dict' 對象不可調(diào)用請求方法：POST 請求 URL： http://localhost:8000/post/3/comment/ Django 版本：2.1.7 異常類型：TypeError 異常值： “dict”對象不可調(diào)用