def app_errorhandler(self, code):
        def decorator(f):
            self.record(lambda s: s.app.errorhandler(code)(f))
            return f
        return decorator
Like `Cocopot.errorhandler` but for a blueprint.  This
dataset/ETHPy150Open zeaphoo/cocopot/cocopot/blueprints.py/Blueprint.app_errorhandler