Update urls logic to django 2

caromserver/urls.py

@@ -14,23 +14,25 @@ Including another URLconf
     2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))
 """
 from django.conf import settings
-from django.conf.urls import url, include
+from django.conf.urls import include
 from django.contrib import admin
 from django.contrib.auth import views as auth_views
+from django.urls import path
 from django.views.generic import RedirectView
 
 urlpatterns = [
-    url(r'^admin/', admin.site.urls),
-    url(r'^api-auth/', include('rest_framework.urls', namespace='rest_framework')),
-    url(r'^billard/', include('billard.urls')),
-    url(r'^login/$', auth_views.login, name='login'),
-    url(r'^logout/$', auth_views.logout, name='logout'),
-    url(r'^', include('django.contrib.auth.urls')),
-    url(r'^$', RedirectView.as_view(url='billard/', permanent=False), name='index')
+    path('admin/', admin.site.urls),
+    path('api-auth/', include('rest_framework.urls', namespace='rest_framework')),
+    path('billard/', include('billard.urls')),
+    path('login/', auth_views.login, name='login'),
+    path('logout/', auth_views.logout, name='logout'),
+    path('', include('django.contrib.auth.urls')),
+    path('', RedirectView.as_view(url='billard/', permanent=False), name='index')
 ]
 
 if settings.DEBUG:
     import debug_toolbar
+
     urlpatterns = [
-        url(r'^__debug__/', include(debug_toolbar.urls)),
-    ] + urlpatterns
+                      path('__debug__/', include(debug_toolbar.urls)),
+                  ] + urlpatterns