def on_message(self, handler, msg):
if self.remote_debugging:<EOL><INDENT>for h in self.handlers:<EOL><INDENT>if h != handler:<EOL><INDENT>h.write_message(msg, True)<EOL><DEDENT><DEDENT><DEDENT>else:<EOL><INDENT>print(msg)<EOL><DEDENT>
In remote debugging mode this simply acts as a forwarding
        proxy for the two clients.