old_contents: """qc URL Configuration
  
  The `urlpatterns` list routes URLs to views. For more information please see:
      https://docs.djangoproject.com/en/1.8/topics/http/urls/
  Examples:
  Function views
      1. Add an import:  from my_app import views
      2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
  Class-based views
      1. Add an import:  from other_app.views import Home
      2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
  Including another URLconf
      1. Add an import:  from blog import urls as blog_urls
      2. Add a URL to urlpatterns:  url(r'^blog/', include(blog_urls))
  """
  from django.conf.urls import include, url
  from django.contrib import admin
  from django.contrib.auth import views as auth_views
  from django.contrib.auth.decorators import user_passes_test
  from django.core.urlresolvers import reverse_lazy
  from main import views as main_views
  
  login_forbidden = user_passes_test(lambda u: u.is_anonymous(), reverse_lazy('home'))
  
  urlpatterns = [
      url(r'^admin/', include(admin.site.urls)),
      url(r'^login/$', login_forbidden(auth_views.login), name='auth_login'),
      url(r'^logout/$', auth_views.logout, {'next_page': 'auth_login'}, name='auth_logout'),
      url(r'^password_change/$', auth_views.password_change, name='auth_password_change'),
      url(r'^password_change/done/$', auth_views.password_change_done, name='auth_password_change_done'),
      url(r'^$', main_views.home, name='home'),
      url(r'^', include('coordination.urls', namespace='coordination')),
  ]
  
new_contents: """qc URL Configuration
  
  The `urlpatterns` list routes URLs to views. For more information please see:
      https://docs.djangoproject.com/en/1.8/topics/http/urls/
  Examples:
  Function views
      1. Add an import:  from my_app import views
      2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
  Class-based views
      1. Add an import:  from other_app.views import Home
      2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
  Including another URLconf
      1. Add an import:  from blog import urls as blog_urls
      2. Add a URL to urlpatterns:  url(r'^blog/', include(blog_urls))
  """
  from django.conf.urls import include, url
  from django.contrib import admin
  from django.contrib.auth import views as auth_views
  from main import views as main_views
  
  urlpatterns = [
      url(r'^admin/', include(admin.site.urls)),
      url(r'^login/$', auth_views.login, name='auth_login'),
      url(r'^logout/$', auth_views.logout, {'next_page': 'auth_login'}, name='auth_logout'),
      url(r'^password_change/$', auth_views.password_change, name='auth_password_change'),
      url(r'^password_change/done/$', auth_views.password_change_done, name='auth_password_change_done'),
      url(r'^$', main_views.home, name='home'),
      url(r'^', include('coordination.urls', namespace='coordination')),
  ]
  
subject: Return back login page when user logged in