old_contents: import os
  from setuptools import setup
  
  
  
  def get_packages(package):
      """
      Return root package and all sub-packages.
      """
      return [dirpath
              for dirpath, dirnames, filenames in os.walk(package)
              if os.path.exists(os.path.join(dirpath, '__init__.py'))]
  
  
  def get_package_data(package):
      """
      Return all files under the root package, that are not in a
      package themselves.
      """
      walk = [(dirpath.replace(package + os.sep, '', 1), filenames)
              for dirpath, dirnames, filenames in os.walk(package)
              if not os.path.exists(os.path.join(dirpath, '__init__.py'))]
  
      filepaths = []
      for base, filenames in walk:
          filepaths.extend([os.path.join(base, filename)
                            for filename in filenames])
      return {package: filepaths}
  
  setup(
      name='django-rest-framework-mongoengine',
      version='3.3.2',
      description='MongoEngine support for Django Rest Framework.',
      packages=get_packages('rest_framework_mongoengine'),
      package_data=get_package_data('rest_framework_mongoengine'),
      license='see https://github.com/umutbozkurt/django-rest-framework-mongoengine/blob/master/LICENSE',
      long_description='see https://github.com/umutbozkurt/django-rest-framework-mongoengine/blob/master/README.md',
      url='https://github.com/umutbozkurt/django-rest-framework-mongoengine',
      download_url='https://github.com/umutbozkurt/django-rest-framework-mongoengine/releases/',
      keywords=['mongoengine', 'serializer', 'django rest framework'],
      author='Umut Bozkurt',
      author_email='umutbozkurt92@gmail.com',
      requires=[
          'mongoengine',
          'djangorestframework'
      ],
      classifiers=['Development Status :: 5 - Production/Stable',
                   'License :: OSI Approved :: MIT License',
                   'Natural Language :: English',
                   'Programming Language :: Python',
                   'Programming Language :: Python :: 2',
                   'Programming Language :: Python :: 3',
                   'Topic :: Software Development :: Libraries :: Python Modules',
                   'Topic :: Internet',
                   'Topic :: Internet :: WWW/HTTP :: Site Management',
                   'Topic :: Text Processing :: Markup :: HTML',
                   'Intended Audience :: Developers'
                   ],
  )
  
new_contents: import os
  from setuptools import setup
  
  
  
  def get_packages(package):
      """
      Return root package and all sub-packages.
      """
      return [dirpath
              for dirpath, dirnames, filenames in os.walk(package)
              if os.path.exists(os.path.join(dirpath, '__init__.py'))]
  
  
  def get_package_data(package):
      """
      Return all files under the root package, that are not in a
      package themselves.
      """
      walk = [(dirpath.replace(package + os.sep, '', 1), filenames)
              for dirpath, dirnames, filenames in os.walk(package)
              if not os.path.exists(os.path.join(dirpath, '__init__.py'))]
  
      filepaths = []
      for base, filenames in walk:
          filepaths.extend([os.path.join(base, filename)
                            for filename in filenames])
      return {package: filepaths}
  
  setup(
      name='django-rest-framework-mongoengine',
      version='3.3.1',
      description='MongoEngine support for Django Rest Framework.',
      packages=get_packages('rest_framework_mongoengine'),
      package_data=get_package_data('rest_framework_mongoengine'),
      license='see https://github.com/umutbozkurt/django-rest-framework-mongoengine/blob/master/LICENSE',
      long_description='see https://github.com/umutbozkurt/django-rest-framework-mongoengine/blob/master/README.md',
      url='https://github.com/umutbozkurt/django-rest-framework-mongoengine',
      download_url='https://github.com/umutbozkurt/django-rest-framework-mongoengine/releases/',
      keywords=['mongoengine', 'serializer', 'django rest framework'],
      author='Umut Bozkurt',
      author_email='umutbozkurt92@gmail.com',
      requires=[
          'mongoengine',
          'djangorestframework'
      ],
      classifiers=['Development Status :: 5 - Production/Stable',
                   'License :: OSI Approved :: MIT License',
                   'Natural Language :: English',
                   'Programming Language :: Python',
                   'Programming Language :: Python :: 2',
                   'Programming Language :: Python :: 3',
                   'Topic :: Software Development :: Libraries :: Python Modules',
                   'Topic :: Internet',
                   'Topic :: Internet :: WWW/HTTP :: Site Management',
                   'Topic :: Text Processing :: Markup :: HTML',
                   'Intended Audience :: Developers'
                   ],
  )
  
subject: Update setup.py