old_contents: from .lib import base, spy, stub, mock, sandbox, assertion, matcher 
  
  init = base.init
  test = sandbox.sinontest
  stub = stub.SinonStub
  spy = spy.SinonSpy
  mock = mock.SinonMock
  assertion = assertion.SinonAssertion
  match = matcher.SinonMatcher
  
new_contents: """
  Copyright (c) 2016-2017, Kir Chou
  https://github.com/note35/sinon/blob/master/LICENSE
  """
  from .lib import base, spy, stub, mock, sandbox, assertion, matcher 
  
  init = base.init
  test = sandbox.sinontest
  stub = stub.SinonStub
  spy = spy.SinonSpy
  mock = mock.SinonMock
  assertion = assertion.SinonAssertion
  match = matcher.SinonMatcher
  
subject: prepend copyright