old_contents: """
  Handles LED output for the Raspberry Pi 3
  Image tracking software. Imported using 'import ui'
  Version: 5/01/17
  Dependencies: RPi.GPIO
  Note: will only work on a Raspberry Pi!
  """
  import RPi.GPIO as gpio
  
  ledPin = 7
  
  #Set up RPi GPIO
  def setup():
      gpio.setmode(gpio.BOARD)
      gpio.setup(ledPin, gpio.OUTPUT)
  
  def blink(n):
      for i in range(0, n):
          gpio.output(ledPin, True)
          time.sleep(0.5)
          gpio.output(ledPin, False)
          time.sleep(0.5)
  
new_contents: """
  Handles LED output for the Raspberry Pi 3
  Image tracking software. Imported using 'import ui'
  Version: 5/06/17
  Dependencies: RPi.GPIO
  Note: will only work on a Raspberry Pi!
  """
  import RPi.GPIO as gpio
  
  ledPin = 16 #GPIO23
  
  #Set up RPi GPIO
  def setup():
      gpio.setmode(gpio.BOARD)
      gpio.setup(ledPin, gpio.OUTPUT)
  
  def blink(n):
      for i in range(0, n):
          gpio.output(ledPin, True)
          time.sleep(0.5)
          gpio.output(ledPin, False)
          time.sleep(0.5)
  
subject: Update ui.py