Не работает метод пост при нажатии на кнопку

from django import forms
from blog.models import Tag, Post
from django.core.exceptions import ValidationError
 
 
class TagForm(forms.Form):
    class Meta:
        model = Tag
        fields = ['title', 'slug']
 
        widgets = {
            'title': forms.TextInput(attrs={'class': 'form-control'}),
            'slug': forms.TextInput(attrs={'class': 'form-control'}),
        }
 
    def clean_slug(self):
        new_slug = self.cleaned_data['slug'].lower()
 
        if new_slug == 'create':
            raise ValidationError('Slug must not be created')
        if Tag.objects.filter(slug__iexact=new_slug).count():
            raise ValidationError('Slug must be unique. We have "{}" slug already'.format(new_slug))
 
        return new_slug

from django.urls import path
from .views import *
 
# some-article
 
urlpatterns = [
    path('', posts_list, name='posts_list_url'),
    path('post/create/', PostCreate.as_view(), name='post_create_url'),
    path('post/<str:slug>/', PostDetail.as_view(), name='post_detail_url'),
    path('tags/', tag_list, name='tag_list_url'),
    path('tag/create', TagCreate.as_view, name='tag_create_url'),
    path('tag/<str:slug>', TagDetail.as_view(), name='tag_detail_url'),
]

from django.shortcuts import render, redirect
from django.http import HttpResponseRedirect
from django.views.generic import View
 
from blog.models import Post, Tag
from blog.forms import TagForm, PostForm
from .utils import ObjectDetailMixin
 
class TagCreate(View):
 
    def get(self, request):
        form = TagForm()
        return render(request, 'blog/tag_create.html', context={'form': form})
 
    def post(self, request):
        bound_form = TagForm(request.POST)
 
        if bound_form.is_valid():
            new_tag = bound_form.save()
            return redirect(new_tag)
        return render(request, 'blog/tag_create.html', context={'form': bound_form})

{% extends 'blog/base_blog.html' %}
 
{% block title %}
    Tag Create - {{ block.super }}
{% endblock %}
 
{% block content %}
 
    <form action="{% url 'tag_create_url' %}" method="post">
       {% csrf_token %}
 
       {% for field in form %}
            <div class="form-group">
                {% if field.errors %}
                    <div class="alert alert-danger">
                        {{ field.errors }}
                    </div>
                {% endif %}
                {{ field.label }}
                {{ field }}
            </div>
 
       {% endfor %}
        <button type="submit" class="btn btn-primary">Create Tag</button>
    </form>
 
{% endblock %}

TagCreate.as_view()