old_contents: __version__ = '0.9'
  
  from .transform import *
  
  
  def test(*args, **kwargs):
      """
      Run py.test unit tests.
      """
      import testr
      return testr.test(*args, **kwargs)
  
new_contents: from .transform import *
  
  __version__ = '3.9'
  
  
  def test(*args, **kwargs):
      """
      Run py.test unit tests.
      """
      import testr
      return testr.test(*args, **kwargs)
  
subject: Update version to 3.9