Flush content to the archive
        :return:

def _flush_content(self):
        '''
        Flush content to the archive
        :return:
        '''
        if self.__current_section is not None:
            buff = BytesIO()
            buff._dirty = False
            for action_return in self.__current_section:
                for title, ret_data in action_return.items():
                    if isinstance(ret_data, file):
                        self.out.put(ret_data.name, indent=4)
                        self.__arch.add(ret_data.name, arcname=ret_data.name)
                    else:
                        buff.write(salt.utils.stringutils.to_bytes(title + '\n'))
                        buff.write(salt.utils.stringutils.to_bytes(('-' * len(title)) + '\n\n'))
                        buff.write(salt.utils.stringutils.to_bytes(ret_data))
                        buff.write(salt.utils.stringutils.to_bytes('\n\n\n'))
                        buff._dirty = True
            if buff._dirty:
                buff.seek(0)
                tar_info = tarfile.TarInfo(name="{}/{}".format(self.__default_root, self.__current_section_name))
                if not hasattr(buff, 'getbuffer'):  # Py2's BytesIO is older
                    buff.getbuffer = buff.getvalue
                tar_info.size = len(buff.getbuffer())
                self.__arch.addfile(tarinfo=tar_info, fileobj=buff)