old_contents: HAIL_GENETICS = 'hailgenetics/'
  HAIL_GENETICS_IMAGES = (
      HAIL_GENETICS + name
      for name in ('hail', 'genetics', 'python-dill'))
  
new_contents: HAIL_GENETICS = 'hailgenetics/'
  HAIL_GENETICS_IMAGES = [
      HAIL_GENETICS + name
      for name in ('hail', 'genetics', 'python-dill')]
  
subject: fix HAIL_GENETICS_IMAGES variable (#11117)