old_contents: from setuptools import setup
  
  setup(
      name='lolviz',
      version='1.3',
      url='https://github.com/parrt/lolviz',
      license='BSD',
      py_modules=['lolviz'],
      author='Terence Parr',
      author_email='parrt@antlr.org',
      install_requires=['graphviz'],
      description='A simple Python data-structure visualization tool for lists of lists, lists, dictionaries',
      keywords='visualization data structures',
      classifiers=['License :: OSI Approved :: BSD License',
                   'Intended Audience :: Developers']
  )
  
new_contents: from setuptools import setup
  
  setup(
      name='lolviz',
      version='1.2.1',
      url='https://github.com/parrt/lolviz',
      license='BSD',
      py_modules=['lolviz'],
      author='Terence Parr',
      author_email='parrt@antlr.org',
      install_requires=['graphviz'],
      description='A simple Python data-structure visualization tool for lists of lists, lists, dictionaries',
      keywords='visualization data structures',
      classifiers=['License :: OSI Approved :: BSD License',
                   'Intended Audience :: Developers']
  )
  
subject: set version to 1.2.1 for support for python 3