def __init__(self, address, message):
        """
        @param address: The address that was provided.
        @type address: L{bytes}
        @param message: A native string of additional information provided by
            the calling context.
        @type address: L{str}
        """
        self.address = address
        self.message = message

        @param address: The address that was provided.
        @type address: L{bytes}
        @param message: A native string of additional information provided by
            the calling context.
        @type address: L{str}
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/internet/error.py