def delete_message_type(self, message_type_id):
self._validate_uuid(message_type_id)<EOL>url = "<STR_LIT>".format(message_type_id)<EOL>response = NWS_DAO().deleteURL(url, self._write_headers())<EOL>if response.status != <NUM_LIT>:<EOL><INDENT>raise DataFailureException(url, response.status, response.data)<EOL><DEDENT>return response.status<EOL>
Delete an existing message type
:param message_type_id: is the id of the message type the
                        client wants to delete