def _writeHack(self, data):
        if self.pty is not None:
            attr = tty.tcgetattr(self.pty.fileno())[3]
            if not attr & tty.ECHO and attr & tty.ICANON: # no echo
                self.avatar.conn.transport.sendIgnore('\x00'*(8+len(data)))
        self.oldWrite(data)
Hack to send ignore messages when we aren't echoing.
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/conch/unix.py/SSHSessionForUnixConchUser._writeHack