old_contents: """Default input parameters."""
  
  scales = [20, 40, 200]
  scales_nifti = [1, 3, 10]
  pmin, pmax = 0, 100
  intensity_balance = False
  color_balance = False
  mode = '3D'
  filename = None
  out_dir = None
  
new_contents: """Default input parameters."""
  
  scales = [15, 80, 250]
  scales_nifti = [1, 3, 10]
  pmin, pmax = 0, 100
  intensity_balance = False
  color_balance = False
  mode = '3D'
  filename = None
  out_dir = None
  
subject: change defaults