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 PyCachetools(PythonPackage):
      """This module provides various memoizing collections and decorators,
      including variants of the Python 3 Standard Library @lru_cache function
      decorator."""
  
      homepage = "https://github.com/tkem/cachetools"
      url      = "https://pypi.io/packages/source/c/cachetools/cachetools-3.1.1.tar.gz"
  
      version('3.1.1', sha256='8ea2d3ce97850f31e4a08b0e2b5e6c34997d7216a9d2c98e0f3978630d4da69a')
  
      depends_on('py-setuptools', type='build')
  
subject: Add py-cachetools package (#12252)