old_contents: from . import utils
  from . import dist
  from . import platform
  from . import build_ext
  from . import build_java
  from . import build_thunk
  from . import test_java
  from . import sdist
  from . import pytester
  from . import wheelc
  
new_contents: from . import utils
  from . import dist
  from . import platform
  from . import build_ext
  from . import build_java
  from . import build_thunk
  from . import test_java
  from . import sdist
  from . import pytester
  
subject: Remove old import