Django NoReverseMatch at

Hello. On pythonanywhere, it starts issuing just such an error, after logging in to the admin panel, if the user is anonymous, the site is displayed.

NoReverseMatch at / Reverse for 'blog.views.post_new' with arguments '()' and keyword arguments '{}' not found. 0 pattern(s) tried: [] 

error itself:

 Error during template rendering In template /home/xakslim/my-first-blog/blog/templates/blog/post_list.html, error at line 0 Reverse for 'blog.views.post_new' with arguments '()' and keyword arguments '{}' not found. 0 pattern(s) tried: [] 

post_list:

 1 {% extends 'blog/base.html' %} 2 3 {% block content %} 4 {% for post in posts %} 5 <div class="post"> 6 <div class="date"> 7 {{ post.published_date }} 8 </div> 9 <h1><a href="{% url 'post_detail' pk=post.pk %}">{{ post.title }}</a></h1> 10 <p>{{ post.text|linebreaksbr }}</p> 

urls.py

 from django.conf.urls import url from . import views urlpatterns = [ url(r'^$', views.post_list, name='post_list'), url(r'^post/(?P<pk>[0-9]+)/$', views.post_detail, name='post_detail'), url(r'^post/new/$', views.post_new, name='post_new'), url(r'^post/(?P<pk>[0-9]+)/edit/$', views.post_edit, name='post_edit'), ] 

views.py:

 from django.shortcuts import render, get_object_or_404, redirect from .models import Post from django.utils import timezone from .forms import PostForm def post_list(request): posts = Post.objects.filter(published_date__lte = timezone.now()).order_by('published_date') return render(request, 'blog/post_list.html', {'posts':posts}) def post_detail(request, pk): post = get_object_or_404(Post, pk=pk) return render(request, 'blog/post_detail.html', {'post': post}) def post_new(request): if request.method == "POST": form = PostForm(request.POST) if form.is_valid(): post = form.save(commit=False) post.author = request.user post.published_date = timezone.now() post.save() return redirect('blog.views.post_detail', pk=post.pk) else: form = PostForm() return render(request, 'blog/post_edit.html', {'form': form}) def post_edit(request, pk): post = get_object_or_404(Post, pk=pk) if request.method == "POST": form = PostForm(request.POST, instance=post) if form.is_valid(): post = form.save(commit=False) post.author = request.user post.published_date = timezone.now() post.save() return redirect('blog.views.post_detail', pk=post.pk) else: form = PostForm(instance=post) return render(request, 'blog/post_edit.html', {'form': form})