old_contents: from django.conf.urls import url
  
  from . import views
  
  urlpatterns = [
      url(
          regex=r'^register/$',
          view=views.RegisterView.as_view(),
          name='register'
      ),
  
      url(
          regex=r'^login/$',
          view=views.LoginView.as_view(),
          name='login'
      ),
      url(
          regex=r'^logout/$',
          view=views.LogoutView.as_view(),
          name='logout'
      ),
      
      url(
          regex=r'^members/$',
          view=views.MembersView.as_view(),
          name='members'
      ),
  ]
  
new_contents: from django.conf.urls import url
  
  from . import views
  
  urlpatterns = [
      url(
          regex=r'^register/$',
          view=views.RegisterView.as_view(),
          name='register'
      ),
  
      url(
          regex=r'^login/$',
          view=views.LoginView.as_view(),
          name='login'
      ),
      url(
          regex=r'^logout/$',
          view=views.LogoutView.as_view(),
          name='logout'
      ),
  
      url(
          regex=r'^members/$',
          view=views.MembersView.as_view(),
          name='members'
      ),
  ]
  
subject: remove whitespace