def default_expire_time():
 expire_delta = datetime.timedelta(seconds=CONF.token.expiration)
 return (timeutils.utcnow() + expire_delta)

def default_expire_time ( ) : expire_delta = datetime . timedelta ( seconds = CONF . token . expiration ) return ( timeutils . utcnow ( ) + expire_delta )
determine when a fresh token should expire .