old_contents: #!/usr/bin/python
  # -*- coding: utf-8 -*-
  """Module containing special bots reusable by scripts."""
  #
  # (C) Pywikibot team, 2020
  #
  # Distributed under the terms of the MIT license.
  #
  from __future__ import absolute_import, division, unicode_literals
  
  from pywikibot.specialbots._unlink import (
      EditReplacement, InteractiveUnlink, BaseUnlinkBot
  )
  from pywikibot.specialbots._upload import UploadRobot
  
new_contents: #!/usr/bin/python
  # -*- coding: utf-8 -*-
  """Module containing special bots reusable by scripts."""
  #
  # (C) Pywikibot team, 2020
  #
  # Distributed under the terms of the MIT license.
  #
  from pywikibot.specialbots._unlink import (
      EditReplacement, InteractiveUnlink, BaseUnlinkBot
  )
  from pywikibot.specialbots._upload import UploadRobot
  
subject: Modify __init__.py to support python 3.5+ only