old_contents: # SU2/__init__.py
  
  from . import run
  from . import io
  from . import mesh
  from . import eval
  from . import opt
  from . import util
  
  try:
      import readline
      import rlcompleter
      if 'libedit' in readline.__doc__:
          readline.parse_and_bind("bind ^I rl_complete")
      else:
          readline.parse_and_bind("tab: complete")
  except ImportError:
      pass
  
new_contents: # SU2/__init__.py
  
  from . import run
  from . import io
  from . import mesh
  from . import eval
  from . import opt
  from . import util
  
  try:
      import readline
      import rlcompleter
      if 'libedit' in readline.__doc__:
          readline.parse_and_bind("bind ^I rl_complete")
      else:
          readline.parse_and_bind("tab: complete")
  except:
      pass
  
subject: Update __init__.py