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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def handle_scd(self, conn, args):
 """No support for smart-card device protocol."""

        reply = {
            (b'GETINFO', b'version'): self.version,
        }.get(args)
        if reply is None:
            raise AgentError(b'ERR 100696144 No such device <SCD>')
        keyring.sendline(conn, b'D ' + reply)