old_contents: """
  Compatibility module
  """
  
  # No relative imports, as they are not permitted with 'import *'
  from nipy.neurospin.mask import *
  
  
new_contents: """
  Compatibility module
  """
  
  import warnings
  warnings.warn(DeprecationWarning(
      "This module (nipy.neurospin.utils.mask) has been moved and " 
      "is depreciated. Please update your code to import from "
      "'nipy.neurospin.mask'."))
  
  from ..mask import *
  
  
subject: Add a depreciation warning on importing nipy.neurospin.utils.mask