old_contents: """curses.wrapper
  
  Contains one function, wrapper(), which runs another function which
  should be the rest of your curses-based application.  If the
  application raises an exception, wrapper() will restore the terminal
  to a sane state so you can read the resulting traceback.
  
  """
  
  import curses
  
  def wrapper(func, *args, **kwds):
      """Wrapper function that initializes curses and calls another function,
      restoring normal keyboard/screen behavior on error.
      The callable object 'func' is then passed the main window 'stdscr'
      as its first argument, followed by any other arguments passed to
      wrapper().
      """
  
      res = None
      try:
          # Initialize curses
          stdscr=curses.initscr()
  
          # Turn off echoing of keys, and enter cbreak mode,
          # where no buffering is performed on keyboard input
          curses.noecho()
          curses.cbreak()
  
          # In keypad mode, escape sequences for special keys
          # (like the cursor keys) will be interpreted and
          # a special value like curses.KEY_LEFT will be returned
          stdscr.keypad(1)
  
          # Start color, too.  Harmless if the terminal doesn't have
          # color; user can test with has_color() later on.  The try/catch
          # works around a minor bit of over-conscientiousness in the curses
          # module -- the error return from C start_color() is ignorable.
          try:
              curses.start_color()
          except:
              pass
  
          return func(stdscr, *args, **kwds)
      finally:
          # Set everything back to normal
          stdscr.keypad(0)
          curses.echo()
          curses.nocbreak()
          curses.endwin()
  
new_contents: """curses.wrapper
  
  Contains one function, wrapper(), which runs another function which
  should be the rest of your curses-based application.  If the
  application raises an exception, wrapper() will restore the terminal
  to a sane state so you can read the resulting traceback.
  
  """
  
  import curses
  
  def wrapper(func, *args, **kwds):
      """Wrapper function that initializes curses and calls another function,
      restoring normal keyboard/screen behavior on error.
      The callable object 'func' is then passed the main window 'stdscr'
      as its first argument, followed by any other arguments passed to
      wrapper().
      """
  
      try:
          # Initialize curses
          stdscr = curses.initscr()
  
          # Turn off echoing of keys, and enter cbreak mode,
          # where no buffering is performed on keyboard input
          curses.noecho()
          curses.cbreak()
  
          # In keypad mode, escape sequences for special keys
          # (like the cursor keys) will be interpreted and
          # a special value like curses.KEY_LEFT will be returned
          stdscr.keypad(1)
  
          # Start color, too.  Harmless if the terminal doesn't have
          # color; user can test with has_color() later on.  The try/catch
          # works around a minor bit of over-conscientiousness in the curses
          # module -- the error return from C start_color() is ignorable.
          try:
              curses.start_color()
          except:
              pass
  
          return func(stdscr, *args, **kwds)
      finally:
          # Set everything back to normal
          stdscr.keypad(0)
          curses.echo()
          curses.nocbreak()
          curses.endwin()
  
subject: remove unused variable.