def __init__(self, type, name):
        """
        @param type: Either L{TunnelFlags.IFF_TUN} or L{TunnelFlags.IFF_TAP},
            representing the type of this tunnel.

        @param name: The system name of the tunnel.
        @type name: L{bytes}
        """
        self.type = type
        self.name = name

        @param type: Either L{TunnelFlags.IFF_TUN} or L{TunnelFlags.IFF_TAP},
            representing the type of this tunnel.

        @param name: The system name of the tunnel.
        @type name: L{bytes}
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/pair/tuntap.py