docs: 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)