old_contents: # config.py
  
  
  VOCroot = "/Users/ellisbrown/data/VOCdevkit/" # path to VOCdevkit root dir
  
  
new_contents: # config.py
  import os.path
  
  # gets home dir cross platform
  home = os.path.expanduser("~")
  ddir = os.path.join(home,"data/VOCdevkit/")
  
  # note: if you used our download scripts, this should be right
  VOCroot = ddir # path to VOCdevkit root dir
  
  
subject: update config to take automatic VOCroot path from download scripts