code: def query(cls, name, use_kerberos=None, debug=False):
          
          from .io import cis
          return cis.query(name, use_kerberos=use_kerberos, debug=debug)
docs: Query the LIGO Channel Information System a `ChannelList`.
  
          Parameters
          ----------
          name : `str`
              name of channel, or part of it.
  
          use_kerberos : `bool`, optional
              use an existing Kerberos ticket as the authentication credential,
              default behaviour will check for credentials and request username
              and password if none are found (`None`)
  
          debug : `bool`, optional
              print verbose HTTP connection status for debugging,
              default: `False`
  
          Returns
          -------
          channels : `ChannelList`
              a new list containing all `Channels <Channel>` found.