old_contents: from django.conf.urls import url
  
  from users.views import *
  
  
  urlpatterns = [
      url(r'^signup/', SignupView.as_view(), name="signup"),
      url(r'^login/', LoginView.as_view(), name="login"),
      url(r'^logout/', LogoutView.as_view(), name="logout"),
  ]
  
new_contents: from django.conf.urls import url
  
  from users.views import *
  
  
  urlpatterns = [
      url(r'^signup/$', SignupView.as_view(), name="signup"),
      url(r'^login/$', LoginView.as_view(), name="login"),
      url(r'^logout/$', LogoutView.as_view(), name="logout"),
  ]
  
subject: fix urls.py: explicit end keyword on users urls