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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def render_revalidation_failure(self, step, form, **kwargs):
 """ Gets called when a form doesn't validate when rendering the done view. By default, it changed the current step to failing forms step and renders the form. """

        self.storage.current_step = step
        return self.render(form, **kwargs)