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 PyRetrying(PythonPackage):
      """Retrying is an Apache 2.0 licensed general-purpose retrying library,
      written in Python, to simplify the task of adding retry behavior to just
      about anything."""
  
      homepage = "https://github.com/rholder/retrying"
      url      = "https://pypi.io/packages/source/r/retrying/retrying-1.3.3.tar.gz"
  
      version('1.3.3', sha256='08c039560a6da2fe4f2c426d0766e284d3b736e355f8dd24b37367b0bb41973b')
  
      depends_on('py-setuptools', type='build')
      depends_on('py-six@1.7.0:', type=('build', 'run'))
  
subject: Add py-retrying package (#12377)