old_contents: """
  Gala
  ===
  
      Gala is a Python package for nD image segmentation. 
  """
  
  __author__ = 'Juan Nunez-Iglesias <juan.n@unimelb.edu.au>, '+\
               'Ryan Kennedy <kenry@cis.upenn.edu>'
  del sys, logging
  
  __all__ = ['agglo', 'morpho', 'evaluate', 'viz', 'imio', 'classify',
      'stack_np', 'app_logger', 'option_manager', 'features', 'filter']
  
  __version__ = '0.4dev'
  
new_contents: """
  Gala
  ===
  
      Gala is a Python package for nD image segmentation. 
  """
  
  __author__ = 'Juan Nunez-Iglesias <juan.n@unimelb.edu.au>, '+\
               'Ryan Kennedy <kenry@cis.upenn.edu>'
  
  __all__ = ['agglo', 'morpho', 'evaluate', 'viz', 'imio', 'classify',
      'stack_np', 'app_logger', 'option_manager', 'features', 'filter']
  
  __version__ = '0.4dev'
  
subject: Remove no longer valid del sys statement