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 PyMatplotlibInline(PythonPackage):
      """Inline Matplotlib backend for Jupyter."""
  
      homepage = "https://github.com/martinRenou/matplotlib-inline"
      pypi     = "matplotlib-inline/matplotlib-inline-0.1.2.tar.gz"
  
      version('0.1.2', sha256='f41d5ff73c9f5385775d5c0bc13b424535c8402fe70ea8210f93e11f3683993e')
  
      depends_on('python@3.5:', type=('build', 'run'))
      depends_on('py-setuptools', type='build')
      depends_on('py-traitlets', type=('build', 'run'))
  
subject: add new package (#25524)