old_contents: # dashcam.py
  # A Raspberry Pi powered, GPS enabled, 3D printed bicycle dashcam
  # By Matthew Timmons-Brown, The Raspberry Pi Guy
  
  import pygame
  import picamera
  
new_contents: # dashcam.py
  # A Raspberry Pi powered, GPS enabled, 3D printed bicycle dashcam
  # By Matthew Timmons-Brown, The Raspberry Pi Guy
  
  import pygame
  import picamera
  import os
  
  os.putenv('SDL_VIDEODRIVER', 'fbcon')
  os.putenv('SDL_FBDEV'      , '/dev/fb1')
  os.putenv('SDL_MOUSEDRV'   , 'TSLIB')
  os.putenv('SDL_MOUSEDEV'   , '/dev/input/touchscreen')
  
  pygame.init()
  pygame.mouse.set_visible(False)
  screen = pygame.display.set_mode((0,0), pygame.FULLSCREEN)
  
subject: Add modifications