old_contents: ##############################################################################
  # Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
  # Produced at the Lawrence Livermore National Laboratory.
  #
  # This file is part of Spack.
  # Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
  # LLNL-CODE-647188
  #
  # For details, see https://github.com/llnl/spack
  # Please also see the LICENSE file for our notice and the LGPL.
  #
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU Lesser General Public License (as
  # published by the Free Software Foundation) version 2.1, February 1999.
  #
  # This program is distributed in the hope that it will be useful, but
  # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
  # conditions of the GNU Lesser General Public License for more details.
  #
  # You should have received a copy of the GNU Lesser General Public
  # License along with this program; if not, write to the Free Software
  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  ##############################################################################
  from spack import *
  
  
  class PyBeautifulsoup4(PythonPackage):
      """Beautiful Soup is a Python library for pulling data out of HTML and
      XML files. It works with your favorite parser to provide idiomatic ways
      of navigating, searching, and modifying the parse tree."""
  
      homepage = "https://www.crummy.com/software/BeautifulSoup"
      url = "https://pypi.python.org/packages/source/b/beautifulsoup4/beautifulsoup4-4.4.1.tar.gz"
  
      version('4.5.1', '994abd90e691beaf7d42c00ffb2f3a67',
              url='https://www.crummy.com/software/BeautifulSoup/bs4/'
              'download/4.5/beautifulsoup4-4.5.1.tar.gz')
      version('4.4.1', '8fbd9a7cac0704645fa20d1419036815')
  
      depends_on('py-setuptools', type='build')
  
new_contents: ##############################################################################
  # Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
  # Produced at the Lawrence Livermore National Laboratory.
  #
  # This file is part of Spack.
  # Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
  # LLNL-CODE-647188
  #
  # For details, see https://github.com/llnl/spack
  # Please also see the LICENSE file for our notice and the LGPL.
  #
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU Lesser General Public License (as
  # published by the Free Software Foundation) version 2.1, February 1999.
  #
  # This program is distributed in the hope that it will be useful, but
  # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
  # conditions of the GNU Lesser General Public License for more details.
  #
  # You should have received a copy of the GNU Lesser General Public
  # License along with this program; if not, write to the Free Software
  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  ##############################################################################
  from spack import *
  
  
  class PyBeautifulsoup4(PythonPackage):
      """Beautiful Soup is a Python library for pulling data out of HTML and
      XML files. It works with your favorite parser to provide idiomatic ways
      of navigating, searching, and modifying the parse tree."""
  
      homepage = "https://www.crummy.com/software/BeautifulSoup"
      url = "https://pypi.io/packages/source/b/beautifulsoup4/beautifulsoup4-4.5.3.tar.gz"
  
      version('4.5.3', '937e0df0d699a1237646f38fd567f0c6')
      version('4.5.1', '994abd90e691beaf7d42c00ffb2f3a67')
      version('4.4.1', '8fbd9a7cac0704645fa20d1419036815')
  
      depends_on('py-setuptools', type='build')
  
subject: Update py-beautifulsoup4 (#4089)