old_contents: import re
  from os import path
  from setuptools import setup
  
  
  # read() and find_version() taken from jezdez's python apps, ex:
  # https://github.com/jezdez/django_compressor/blob/develop/setup.py
  
  
  def read(*parts):
      return open(path.join(path.dirname(__file__), *parts)).read()
  
  
  def find_version(*file_paths):
      version_file = read(*file_paths)
      version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]",
                                version_file, re.M)
      if version_match:
          return version_match.group(1)
      raise RuntimeError("Unable to find version string.")
  
  
  setup(
      name='django-timezone-field',
      version=find_version('timezone_field', '__init__.py'),
      author='Mike Fogel',
      author_email='mike@fogel.ca',
      description=(
          'A Django app providing database and form fields for '
          'pytz timezone objects.'
      ),
      long_description=read('README.rst'),
      url='http://github.com/mfogel/django-timezone-field/',
      license='BSD',
      packages=[
          'timezone_field',
          'timezone_field.tests',
      ],
      install_requires=['django>=1.4.2', 'pytz'],
      classifiers=[
          'Development Status :: 4 - Beta',
          'Environment :: Web Environment',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: BSD License',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Topic :: Utilities',
          'Framework :: Django',
      ],
  )
  
new_contents: import re
  from os import path
  from setuptools import setup
  
  
  # read() and find_version() taken from jezdez's python apps, ex:
  # https://github.com/jezdez/django_compressor/blob/develop/setup.py
  
  
  def read(*parts):
      return open(path.join(path.dirname(__file__), *parts)).read()
  
  
  def find_version(*file_paths):
      version_file = read(*file_paths)
      version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]",
                                version_file, re.M)
      if version_match:
          return version_match.group(1)
      raise RuntimeError("Unable to find version string.")
  
  
  setup(
      name='django-timezone-field',
      version=find_version('timezone_field', '__init__.py'),
      author='Mike Fogel',
      author_email='mike@fogel.ca',
      description=(
          'A Django app providing database and form fields for '
          'pytz timezone objects.'
      ),
      long_description=read('README.rst'),
      url='http://github.com/mfogel/django-timezone-field/',
      license='BSD',
      packages=[
          'timezone_field',
          'timezone_field.tests',
      ],
      install_requires=['django>=1.4.2', 'pytz'],
      classifiers=[
          'Development Status :: 4 - Beta',
          'Environment :: Web Environment',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: BSD License',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Programming Language :: Python :: 2',
          'Programming Language :: Python :: 2.6',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.2',
          'Programming Language :: Python :: 3.3',
          'Topic :: Utilities',
          'Framework :: Django',
      ],
  )
  
subject: Add python version classifiers to setup.py