new_contents: #!/usr/bin/env python
  
  from blinkylib import blinkytape, blinkycolor
  from blinkylib.patterns import gradient
  import time
  
  bt = blinkytape.BlinkyTape('/dev/tty.usbmodem1411')
  pattern = gradient.Gradient(bt, blinkycolor.RED, blinkycolor.BLACK)
  pattern.setup()
  
  while pattern.animated:
      pattern.animate()
      time.sleep(pattern.timebase_sec)
  
subject: Add gradient example script for comparison to refactored branch