def echo(self, data):
return pyhsm.basic_cmd.YHSM_Cmd_Echo(self.stick, data).execute()<EOL>
Echo test.

@type data: string
@return: data read from YubiHSM -- should equal `data'
@rtype: string

@see: L{pyhsm.basic_cmd.YHSM_Cmd_Echo}