<class 'noc.sa.script.exception.CLISyntaxError'>

   18         rx_ver = re.compile(r"MAC Address\s+[:]\s+(?P<id>\S+)", re.IGNORECASE | re.MULTILINE)
   19         implements = [IGetChassisID]
   20
   21         def execute(self):
   22 ==>         match = self.re_search(self.rx_ver, self.cli("show switch", cached=True))
   23             mac = match.group("id")

Device Type                : DES-3200-52 Fast Ethernet Switch
MAC Address                : 28-10-7B-58-EF-F8
IP Address                 : 172.16.0.106 (Manual)