def has_known_servers(self):
        """Whether there are any Servers of types besides Unknown."""
        return any(s for s in self._server_descriptions.values()
                   if s.is_server_type_known)
def has_known_servers ( self ) : return any ( s for s in self . _server_descriptions . values ( ) if s . is_server_type_known )
Whether there are any Servers of types besides Unknown.