def catch_errors_and_unavailability(f):
    @functools.wraps(f)
    def wrapper(endpoint, uri, *args, **kwargs):
        if not endpoint.available:
            e = TemporarilyUnavailableError()
            log.info(uri % 'Endpoint unavailable, ignoring request %s.')
            return {}, e.json, 503

        if endpoint.catch_errors:
            try:
                return f(endpoint, uri, *args, **kwargs)
            except OAuth2Error:
                raise
            except FatalClientError:
                raise
            except Exception as e:
                error = ServerError()
                log.warning(
                    'Exception caught while processing request, %s.' % e)
                return {}, error.json, 500
        else:
            return f(endpoint, uri, *args, **kwargs)
    return wrapper
dataset/ETHPy150Open idan/oauthlib/oauthlib/oauth2/rfc6749/__init__.py/catch_errors_and_unavailability/swapped operands of `%`