old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  """
      Dummy conftest.py for postgraas_server.
  
      If you don't know what this is for, just leave it empty.
      Read more about conftest.py under:
      https://pytest.org/latest/plugins.html
  """
  from __future__ import print_function, absolute_import, division
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  """
      Dummy conftest.py for postgraas_server.
  
      If you don't know what this is for, just leave it empty.
      Read more about conftest.py under:
      https://pytest.org/latest/plugins.html
  """
  
subject: Remove redundant __future__ imports