old_contents: import platform
  from distutils.core import setup
  from distutils.extension import Extension
  
  base = {
    'name': 'beretta',
    'url': 'https://github.com/tyrannosaurus/beretta',
    'author': 'beretta contributors',
    'author_email': 'github@require.pm',
    'version': '0.2.6',
    'description': 'BERT (de)serializer for your Pythons',
    'license': 'MIT',
    'classifiers': (
      'Intended Audience :: Developers',
      'Programming Language :: Python :: 2.7',
      'Programming Language :: Python :: 3.3',
    ),
    'install_requires': (
      'termformat>=0.1.6',
    )
  }
  
  implementation = platform.python_implementation()
  
  if implementation == "CPython":
    packages = {
      'ext_modules': [
        Extension('beretta', ['beretta.c'])
      ],
    }
  else:
    packages = {
      'packages': ['beretta'],
    }
  
  base.update(packages)
  setup(**base)
  
new_contents: import platform
  from distutils.core import setup
  from distutils.extension import Extension
  
  base = {
    'name': 'beretta',
    'url': 'https://github.com/tyrannosaurus/beretta',
    'author': 'beretta contributors',
    'author_email': 'github@require.pm',
    'version': '0.3.0',
    'description': 'BERT (de)serializer for your Pythons',
    'license': 'MIT',
    'classifiers': (
      'Intended Audience :: Developers',
      'Programming Language :: Python :: 2.7',
      'Programming Language :: Python :: 3.3',
    ),
    'install_requires': (
      'termformat>=0.1.6',
    )
  }
  
  implementation = platform.python_implementation()
  
  if implementation == "CPython":
    packages = {
      'ext_modules': [
        Extension('beretta', ['beretta.c'])
      ],
    }
  else:
    packages = {
      'packages': ['beretta'],
    }
  
  base.update(packages)
  setup(**base)
  
subject: Bump version