Почему я получаю Post.CommentPost.None

Может ли кто-нибудь объяснить мне, почему я получаю Post.CommentPost.None?

Я связал CommentPost с Post, и когда я пытаюсь получить что-то из моего CommentPost, я имею Post.CommentPost.None

Вот кое-что о моих моделях и функциях.

class Posty(models.Model):
   title = models.CharField(max_length=250, blank=False, null=False, unique=True)
   sub_title = models.SlugField(max_length=250, blank=False, null=False, unique=True)
   content = models.TextField(max_length=250, blank=False, null=False)
   image = models.ImageField(default="avatar.png",upload_to="images", validators=[FileExtensionValidator(['png','jpg','jpeg'])])
   author = models.ForeignKey(Profil, on_delete=models.CASCADE)
   updated = models.DateTimeField(auto_now=True)
   published = models.DateTimeField(auto_now_add=True)
   T_or_F = models.BooleanField(default=False)
   likes = models.ManyToManyField(Profil, related_name='liked')
   unlikes = models.ManyToManyField(Profil, related_name='unlikes')
   created_tags = models.ForeignKey('Tags', blank=True, null=True, related_name='tagi', on_delete=models.CASCADE)
  test_wyswietlenia = models.IntegerField(default=0, null=True, blank=True)

class CommentPost(models.Model):
   user = models.ForeignKey(Profil, on_delete=models.CASCADE)
   post = models.ForeignKey(Posty, on_delete=models.CASCADE, related_name="comments")
   content1 = models.TextField(max_length=250, blank=False, null=False)
   date_posted = models.DateTimeField(default=timezone.now)
   date_updated = models.DateTimeField(auto_now=True)

ПРОСМОТРОВ

     tag = request.GET.get('tag')
   if tag == None:
       my_tag = Posty.objects.prefetch_related('comments')
       my_view = Posty.objects.prefetch_related('my_wyswietlenia')

   else:
      my_tag = Posty.objects.filter(created_tags__tag=tag)
      my_view = Posty.objects.prefetch_related('my_wyswietlenia')

TEMPLATES

                {% for post in my_tag %}
                  {% if post.comments.last.user == None %}
                    <span class="forum_tag_author">Komentarz » <a href="{% url 'home:detail_post' post.pk %}">Brak komentarza</a></span><br/>
                    <span class="forum_tag_author">Stworzony przez » <a href="{% url 'profile:profil_uzytkownika' post.pk %}">{{post.author}} </a> </span><hr/>
                  {% else %}
                    <span class="forum_tag_author">Komentarz » <a href="{% url 'home:detail_post' post.pk %}">{{post.comments.last.content1}}</a></span><br/>
                    <span class="forum_tag_author">Odpowiadający » <a href="{% url 'profile:profil_uzytkownika' post.pk %}">Dodany przez: {{post.comments.last.user}} </a> </span><hr/>
                  {% endif %}
              {% endfor %}

А это {{post.comments}} дать запрос Post.CommentPost.None

В чем проблема? Что я делаю плохо? 

                {% for post in my_tag %}
                    {% for comment in post.comments.all %}
                        {% if comment.user == None %}
                <span class="forum_tag_author">Komentarz » <a href="{% url 'home:detail_post' post.pk %}">Brak komentarza</a></span><br/>
                <span class="forum_tag_author">Stworzony przez » <a href="{% url 'profile:profil_uzytkownika' post.pk %}">{{post.author}} </a> </span><hr/>
                        {% else %}
                <span class="forum_tag_author">Komentarz » <a href="{% url 'home:detail_post' post.pk %}">{{comment.content1}}</a></span><br/>
                <span class="forum_tag_author">Odpowiadający » <a href="{% url 'profile:profil_uzytkownika' post.pk %}">Dodany przez: {{comment.user}} </a> </span><hr/>
                        {% endif %}
                   {% endfor %}
               {% endfor %}




my_tag = Posty.objects.prefetch_related('comments').order_by('-date_updated')
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