old_contents: ##!/usr/bin/env python
  
  import sys
  from setuptools import setup
  from setuptools.command.test import test as TestCommand
  
  
  class PyTest(TestCommand):
  
      def finalize_options(self):
          TestCommand.finalize_options(self)
          self.test_args = []
          self.test_suite = True
  
      def run_tests(self):
          # import here, cause outside the eggs aren't loaded
          import pytest
          errno = pytest.main(self.test_args)
          sys.exit(errno)
  
  setup(
      name='vcrpy',
      version='1.3.0',
      description=(
          "Automatically mock your HTTP interactions to simplify and "
          "speed up testing"
      ),
      author='Kevin McCarthy',
      author_email='me@kevinmccarthy.org',
      url='https://github.com/kevin1024/vcrpy',
      packages=[
          'vcr',
          'vcr.stubs',
          'vcr.compat',
          'vcr.persisters',
          'vcr.serializers',
          ],
      package_dir={
          'vcr': 'vcr',
          'vcr.stubs': 'vcr/stubs',
          'vcr.compat': 'vcr/compat',
          'vcr.persisters': 'vcr/persisters',
          },
      install_requires=['PyYAML', 'mock', 'six', 'contextlib2', 'wrapt'],
      license='MIT',
      tests_require=['pytest', 'mock', 'pytest-localserver'],
      cmdclass={'test': PyTest},
      classifiers=[
          'Development Status :: 4 - Beta',
          'Environment :: Console',
          'Intended Audience :: Developers',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3',
          'Topic :: Software Development :: Testing',
          'Topic :: Internet :: WWW/HTTP',
          'License :: OSI Approved :: MIT License',
          ],
  )
  
new_contents: #!/usr/bin/env python
  
  import sys
  from setuptools import setup, find_packages
  from setuptools.command.test import test as TestCommand
  
  
  class PyTest(TestCommand):
  
      def finalize_options(self):
          TestCommand.finalize_options(self)
          self.test_args = []
          self.test_suite = True
  
      def run_tests(self):
          # import here, cause outside the eggs aren't loaded
          import pytest
          errno = pytest.main(self.test_args)
          sys.exit(errno)
  
  setup(
      name='vcrpy',
      version='1.3.0',
      description=(
          "Automatically mock your HTTP interactions to simplify and "
          "speed up testing"
      ),
      author='Kevin McCarthy',
      author_email='me@kevinmccarthy.org',
      url='https://github.com/kevin1024/vcrpy',
      packages=find_packages(exclude=("tests*",)),
      install_requires=['PyYAML', 'mock', 'six', 'contextlib2',
                        'wrapt', 'backport_collections'],
      license='MIT',
      tests_require=['pytest', 'mock', 'pytest-localserver'],
      cmdclass={'test': PyTest},
      classifiers=[
          'Development Status :: 4 - Beta',
          'Environment :: Console',
          'Intended Audience :: Developers',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3',
          'Topic :: Software Development :: Testing',
          'Topic :: Internet :: WWW/HTTP',
          'License :: OSI Approved :: MIT License',
      ]
  )
  
subject: add backport_collections, tweaks to setup.py.