text: # 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 PyBackportsWeakref(PythonPackage):
      """Backports of new features in Python's weakref module"""
  
      homepage = "https://github.com/PiDelport/backports.weakref"
      url      = "https://pypi.org/packages/source/b/backports.weakref/backports.weakref-1.0.post1.tar.gz"
  
      version('1.0.post1', sha256='bc4170a29915f8b22c9e7c4939701859650f2eb84184aee80da329ac0b9825c2')
  
      depends_on('py-setuptools', type='build')
  