確認画面への遷移ができない

入力事項の確認画面を作成しようと思っています。
register_store.htmlで入力した情報をregister_store_confirm.htmlに流したいのですが、登録するを押すとregister_store.htmlに戻ってしまいます。

debugすると何故か./templatetags/cart_tags.pyに飛んでいるのですが、なぜこうなるのでしょうか？
どなたかご教示ください。

views
1class RegisterStoreView(LoginRequiredMixin, View):
2
3        form = RegisterStoreForm(
4            request.POST or None,
5        )
6
7        return render(request, 'app/register_store.html', {
8            'form': form
9        })
10
11    def post(self, request, *args, **kwargs):
12        form = RegisterStoreForm(request.POST or None)
13        store_data = Store()
14        user_data = CustomUser.objects.filter(id=self.request.user.id)[0]
15        # store_data = kwargs
16        if form.is_valid():
17            return render(request, 'app/register_store_confirm.html', {
18                'form': form
19            })
20
21        return render(request, 'app/register_empty.html', {
22            'form': form
23        })
24
25
26class RegisterEmptyView(View):
27    def get(self, request, *args, **kwargs):
28        return render(request, 'app/register_empty.html')
29
30
31class RegisterStoreConfirmView(LoginRequiredMixin, View):
32    def get(self, request, *args, **kwargs):
33
34
35        return render(request, 'app/register_store_confirm.html', {
36            'form': kwargs
37        })
38
39    def post(self, request, *args, **kwargs):
40        store_data = kwargs
41        store_data.save()
42
43        return redirect('register_facility')
44

urls
1urlpatterns = [
2    path('', views.IndexView.as_view(), name='index'),
3
4    path('register_entry/', views.RegisterEntryView.as_view(), name='register_entry'),
5    path('register_store/', views.RegisterStoreView.as_view(), name='register_store'),
6    path('register_store_confirm/', views.RegisterStoreConfirmView.as_view(), name='register_store_confirm'),
7    path('register_empty/', views.RegisterStoreConfirmView.as_view(), name='register_empty'),
8    path('register_facility/', views.RegisterFacilityView.as_view(), name='register_facility'),

register_store.html
1{% extends 'app/base.html' %}
2{% load widget_tweaks %}
3
4{% block content %}
5
6<script src="https://yubinbango.github.io/yubinbango/yubinbango.js" charset="UTF-8"></script>
7
8<div class="'card card-profile my-5 mx-auto">
9    <div class="card-body">
10        <h5 class="card-header text-center">館情報入力</h5>
11        <form method="post" enctype="multipart/form-data" class="h-adr">
12            {%  csrf_token %}
13            <table class="profile_table mb-4">
14                <tbody>
15
16                    <tr>
17                        <th class="header">館名称<span class="badge badge-danger ml-2">必須</span></th>
18                        <td class="data">
19                            {% render_field form.name class='form-control' placeholder='' %}
20                        </td>
21                    </tr>
22                    <tr>
23                        <th class="header">住所<span class="badge badge-danger ml-2">必須</span></th>
24                        <td class="data">
25                            <span class="p-country-name" style="display:none;">Japan</span>
26                            <div class="form-group">
27                                <label for="zip_code">郵便番号</label><br>
28                                {% render_field form.zip_code class='p-postal-code' placeholder=''  %}<br>
29                                <small>*7桁で入力してください。例：〒111-2222 ⇨ 1112222<br></small>
30                                <label for="address1">都道府県</label><br>
31                                {% render_field form.address1 class='p-region' placeholder='' %}<br>
32                                <label for="address2">市区町村</label><br>
33                                {% render_field form.address2 class='p-locality' placeholder='' %}<br>
34                                <label for="address3">字番地等</label><br>
35                                {% render_field form.address3 class='p-extended-address' placeholder='' %}
36
37                            </div>
38                    </tr>
39                    <tr>
40                        <th class="header">電話番号<span class="badge badge-danger ml-2">必須</span></th>
41                        <td class="data">
42                            {% render_field form.tel class='form-control' placeholder='' %}
43                        </td>
44                    </tr>
45
46                    <tr>
47                        <th class="header">説明</th>
48                        <td class="data">
49                            {% render_field form.description class='form-control' placeholder='' %}
50                        </td>
51                    </tr>
52                    <tr>
53                        <th class="header">画像</th>
54                        <td class="data">
55                            {{ form.image }}
56                        </td>
57                    </tr>
58                </tbody>
59            </table>
60            <div class="button mx-auto">
61                <button class="btn btn-lg btn-warning btn-block" type="submit">登録する</button>
62            </div>
63        </form>
64    </div>
65</div>
66
67{% endblock %}

cart_tags
1from django import template
2from app.models import Order
3
4register = template.Library()
5
6@register.filter
7def itemCount(user):
8    if user.is_authenticated:
9        order = Order.objects.filter(user=user, ordered=False)
10        if order.exists():
11            return order[0].items.count()
12    return 0
13