old_contents: """
  Basic Template system for project skeleton.
  
  skeleton is similar to the template part of PasteScript but 
  without any dependencies; it should also be compatible with Python 3.
  
  However in this early phase of development, it only target python 2.5+,
  and tests require Mock.
  """
  
  from skeleton.core import Skeleton, Var
  
new_contents: """
  Basic Template system for project skeleton.
  
  skeleton is similar to the template part of PasteScript but 
  without any dependencies.
  """
  
  from skeleton.core import Skeleton, Var
  from skeleton.utils import insert_into_file
  
subject: Add insert_into_file to skeleton module