Return list of attributes matching the wildcard
         for the specified device

        :param argin: Str[0] = Device name
        Str[1] = Wildcard
        :type: tango.DevVarStringArray
        :return: attribute name list
        :rtype: tango.DevVarStringArray

def DbGetDeviceAttributeList(self, argin):
        """ Return list of attributes matching the wildcard
         for the specified device

        :param argin: Str[0] = Device name
        Str[1] = Wildcard
        :type: tango.DevVarStringArray
        :return: attribute name list
        :rtype: tango.DevVarStringArray """
        self._log.debug("In DbGetDeviceAttributeList()")
        dev_name = argin[0]
        wildcard = argin[1]
        if not wildcard:
            wildcard = "%"
        else:
            wildcard = replace_wildcard(wildcard)
        return self.db.get_device_attribute_list(dev_name, wildcard)