def process_404(self, *args, **kwargs):
        try:
            handler_path = settings.page_not_found_handler
            path, name = handler_path.rsplit('.', 1)
            handler_module = __import__(path, fromlist=path)
            handler_class = getattr(handler_module, name)
            handler_class(site, self).get()
        except AttributeError:
            logging.error('Page with url %s doesn\'t exist' % (kwargs.get('url', ''), ))
dataset/ETHPy150Open letolab/airy/airy/core/web.py/AiryCoreHandler.process_404/original