def render_hash_failure(self, request, step):
        return self.render(self.get_form(step), request, step, context={'wizard_error': _('We apologize, but your form has expired. Please continue filling out the form from this page.')})
Hook for rendering a template if a hash check failed.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/contrib/formtools/wizard/legacy.py/FormWizard.render_hash_failure