old_contents: #!/usr/bin/env python
  #from __future__ import absolute_import
  from MuchTree import SuchTree, SuchLinkedTrees
  
  __version__ = 0.8
  
new_contents: #!/usr/bin/env python
  #from __future__ import absolute_import
  from .MuchTree import SuchTree, SuchLinkedTrees
  
  __version__ = 0.8
  
subject: fix circular import