1 files changed, 9 insertions, 6 deletions
diff --git a/docs/narr/hellotraversal.py b/docs/narr/hellotraversal.py
index 1ef7525e6..095c3ef76 100644
--- a/docs/narr/hellotraversal.py
+++ b/docs/narr/hellotraversal.py
@@ -2,21 +2,24 @@ from wsgiref.simple_server import make_server
 from pyramid.config import Configurator
 from pyramid.response import Response
 
+
 class Resource(dict):
     pass
 
+
 def get_root(request):
     return Resource({'a': Resource({'b': Resource({'c': Resource()})})})
 
+
 def hello_world_of_resources(context, request):
     output = "Here's a resource and its children: %s" % context
     return Response(output)
 
+
 if __name__ == '__main__':
-    config = Configurator(root_factory=get_root)
-    config.add_view(hello_world_of_resources, context=Resource)
-    app = config.make_wsgi_app()
-    server = make_server('0.0.0.0', 8080, app)
+    with Configurator() as config:
+        config.set_root_factory(get_root)
+        config.add_view(hello_world_of_resources, context=Resource)
+        app = config.make_wsgi_app()
+    server = make_server('0.0.0.0', 6543, app)
     server.serve_forever()
-
-