Environment: Request Method: GET Request URL: http://127.0.0.1:8000/polls/ Django Version: 3.1.1 Python Version: 3.8.2 Installed Applications: ['polls.apps.PollsConfig',

'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles']
Installed Middleware:
['django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware']


Template error:
In template D:\mysite\polls\templates\polls\index.html, error at line 1
Reverse for 'detail' with arguments '('',)' not found. 1 pattern(s) tried: ['polls/(?P<pk>[0-9]+)/$']
1 : <li><a href=" {% url 'polls:detail' question.id %} ">{{ question.question_text }}</a></li>
2 :
3 : {% if latest_question_list %}
4 : <ul>
5 : {% for question in latest_question_list %}
6 : <li><a href="/polls/{{ question.id }}/">{{ question.question_text }}</a></li>
7 : {% endfor %}
8 : </ul>
9 : {% else %}
10 : <p>No polls are available.</p>
11 : {% endif %}

Traceback (most recent call last):
File "D:\mysite\venv\lib\site-packages\django\core\handlers\exception.py", line 47, in inner
response = get_response(request)
File "D:\mysite\venv\lib\site-packages\django\core\handlers\base.py", line 202, in _get_response
response = response.render()
File "D:\mysite\venv\lib\site-packages\django\template\response.py", line 105, in render
self.content = self.rendered_content
File "D:\mysite\venv\lib\site-packages\django\template\response.py", line 83, in rendered_content
return template.render(context, self._request)
File "D:\mysite\venv\lib\site-packages\django\template\backends\django.py", line 61, in render
return self.template.render(context)
File "D:\mysite\venv\lib\site-packages\django\template\base.py", line 170, in render
return self._render(context)
File "D:\mysite\venv\lib\site-packages\django\template\base.py", line 162, in _render
return self.nodelist.render(context)
File "D:\mysite\venv\lib\site-packages\django\template\base.py", line 938, in render
bit = node.render_annotated(context)
File "D:\mysite\venv\lib\site-packages\django\template\base.py", line 905, in render_annotated
return self.render(context)
File "D:\mysite\venv\lib\site-packages\django\template\defaulttags.py", line 446, in render
url = reverse(view_name, args=args, kwargs=kwargs, current_app=current_app)
File "D:\mysite\venv\lib\site-packages\django\urls\base.py", line 87, in reverse
return iri_to_uri(resolver._reverse_with_prefix(view, prefix, *args, **kwargs))
File "D:\mysite\venv\lib\site-packages\django\urls\resolvers.py", line 685, in _reverse_with_prefix
raise NoReverseMatch(msg)

Exception Type: NoReverseMatch at /polls/
Exception Value: Reverse for 'detail' with arguments '('',)' not found. 1 pattern(s) tried: ['polls/(?P<pk>[0-9]+)/$']

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