old_contents: # Copyright 2013-2021 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 PyLazyObjectProxy(PythonPackage):
      """A fast and thorough lazy object proxy."""
  
      homepage = "https://github.com/ionelmc/python-lazy-object-proxy"
      pypi = "lazy-object-proxy/lazy-object-proxy-1.3.1.tar.gz"
  
      version('1.4.3', sha256='f3900e8a5de27447acbf900b4750b0ddfd7ec1ea7fbaf11dfa911141bc522af0')
      version('1.3.1', sha256='eb91be369f945f10d3a49f5f9be8b3d0b93a4c2be8f8a5b83b0571b8123e0a7a')
  
      depends_on('python@2.7:2.8,3.4:', type=('build', 'run'))
  
      depends_on('py-setuptools', type='build')
  
new_contents: # Copyright 2013-2021 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 PyLazyObjectProxy(PythonPackage):
      """A fast and thorough lazy object proxy."""
  
      homepage = "https://github.com/ionelmc/python-lazy-object-proxy"
      pypi = "lazy-object-proxy/lazy-object-proxy-1.3.1.tar.gz"
  
      version('1.4.3', sha256='f3900e8a5de27447acbf900b4750b0ddfd7ec1ea7fbaf11dfa911141bc522af0')
      version('1.3.1', sha256='eb91be369f945f10d3a49f5f9be8b3d0b93a4c2be8f8a5b83b0571b8123e0a7a')
  
      depends_on('python@2.7:2.8,3.4:', type=('build', 'run'))
  
      depends_on('py-setuptools-scm@3.3.1:', type='build', when='@1.4.0:')
      depends_on('py-setuptools', type='build')
  
subject: add missing py-setuptools-scm dependency (#23842)