def __init__(self, environ, start_response, user=None):
        self.environ = environ
        logger.debug(environ % "ENVIRON: %s")
        self.start_response = start_response
        self.user = user
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/pysaml2-2.4.0/example/idp2_repoze/idp.py/Service.__init__/swapped operands of `%`