Page not found (404)

Request Method: GET
Request URL: http://chicagohumanities.org/events/2011/tech-knowledge/2011f-beauty-and-the-beast-the-monstrous-side-of-plastic-surgery/
Raised by: wagtail.core.views.serve

You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard 404 page.