old_contents: # save an image into bytesio
  
  from kivy.core.image import Image
  from io import BytesIO
  
  img = Image.load("data/logo/kivy-icon-512.png")
  
  bio = BytesIO()
  ret = img.save(bio, fmt="png")
  print("len=", len(bio.read()))
  
  bio = BytesIO()
  ret = img.save(bio, fmt="jpg")
  print("len=", len(bio.read()))
new_contents: # save an image into bytesio
  
  from kivy.core.image import Image
  from io import BytesIO
  
  img = Image.load("data/logo/kivy-icon-512.png")
  
  bio = BytesIO()
  ret = img.save(bio, fmt="png")
  print("len=", len(bio.read()))
  
  bio = BytesIO()
  ret = img.save(bio, fmt="jpg")
  print("len=", len(bio.read()))
  
subject: add missing end of line