title: Reverse for 'home' with arguments '()' and keyword arguments '{}' not found. 0 pattern(s) tried: []
body: <p>The name of my project is 'trydjango19' and I have two apps: 'newsletter' and 'posts'.</p>
  
  <p>The trydjango19/urls.py is:</p>
  
  <pre><code>urlpatterns = [
      url(r'^admin/', admin.site.urls),
      url(r'^posts/', include("posts.urls", namespace='posts')),
      url(r'^', include("newsletter.urls", namespace='newsletter')),]
  </code></pre>
  
  <p>The newsletter/urls.py is:</p>
  
  <pre><code>urlpatterns = [
      url(r'^', 'newsletter.views.home', name='home'),]
  </code></pre>
  
  <p>The newsletter/view.py is:</p>
  
  <pre><code>def home(request):
      title = 'ОСТАВЬТЕ ЗАЯВКУ'
      form = SignUpForm(request.POST or None)
      context = {
          "title": title,
          "form": form
      }
      if form.is_valid():
          instance = form.save(commit=False)
  
          full_name = form.cleaned_data.get("full_name")
          if not full_name:
              full_name = "anonymous"
          instance.full_name = full_name
          instance.save()
          context = {
              "title": "Ваша заявка принята!"
      }
  
      if request.user.is_authenticated() and request.user.is_staff:
          queryset = SignUp.objects.all().order_by('-timestamp') 
          context = {
              "queryset": queryset
          }
  
      return render(request, "newsletter/home.html", context)
  </code></pre>
  
  <p>The newsletter/templates/newsletter/home.html is:</p>
  
  <pre><code>{% extends 'newsletter/base.html' %}
  {% load crispy_forms_tags %}
  {% load staticfiles %}
  
  {% block head_title %}Welcome | {{ block.super }}{% endblock %}
  
  {% block jumbotron %}
      {% if not request.user.is_authenticated %}
  
              &lt;img class="close" onclick="show('none')" src="{% static 'img/close.png' %}"&gt;
  
              &lt;p class='lead text-align-center'&gt;{{ title }}&lt;/p&gt;
  
              &lt;form method='POST' action=''&gt;{% csrf_token %}
                  {{ form|crispy }}
                  &lt;p class='text-align-center'&gt;
                      &lt;input class='btn btn-primary' type='submit' value='Откликнуться' /&gt;
                  &lt;/p&gt;
              &lt;/form&gt;
          &lt;/div&gt;
  &lt;img src="{% static 'img/pony.png' %}" width='380px' /&gt;
  ... etc.
  </code></pre>
  
  <p>I tried with urls.py in many ways, with 'namespace' and 'app_name' but I still do not understand how it should run properly</p>
  
  <pre><code>In template /home/pavel/DJANG/django19/src/newsletter/templates/newsletter/home.html, error at line 0
  Reverse for 'home' with arguments '()' and keyword arguments '{}' not found. 0 pattern(s) tried: []
  </code></pre>