Regroupement avec l'erreur 500.

re2o/urls.py

@@ -50,6 +50,7 @@ from django.contrib.auth import views as auth_views
 from .views import index, about_page
 
 handler500 = 're2o.views.handler500'
+handler404 = 're2o.views.handler404'
 
 urlpatterns = [
     url(r'^$', index, name='index'),

re2o/views.py

@@ -229,3 +229,8 @@ def about_page(request):
 def handler500(request):
     """The handler view for a 500 error"""
     return render(request, 'errors/500.html')
+
+
+def handler404(request):
+    """The handler view for a 404 error"""
+    return render(request, 'errors/404.html')