new_contents: # Copyright 2013-2019 Lawrence Livermore National Security, LLC and other
  # Spack Project Developers. See the top-level COPYRIGHT file for details.
  #
  # SPDX-License-Identifier: (Apache-2.0 OR MIT)
  
  
  from spack import *
  
  
  class PyContextlib2(PythonPackage):
      """contextlib2 is a backport of the standard library's contextlib module to
      earlier Python versions."""
  
      homepage = "https://contextlib2.readthedocs.io/en/stable/"
      url      = "https://github.com/jazzband/contextlib2/archive/v0.6.0.tar.gz"
  
      version('0.6.0', sha256='4f18e2f28bb642aae9447aacec93b1319c8ee838711553c0a2bd906753f2ad33')
  
      depends_on('py-setuptools', type='build')
      depends_on('python@2.7:2.8,3.4:', type=('build', 'run'))
  
subject: Add missing py-contextlib2 (#13056)