old_contents: import sys
  try:
      import setuptools
  except ImportError:
      from distribute_setup import use_setuptools
      use_setuptools()
      import setuptools
  
  from pip import req
  from setuptools.command import test
  
  REQ = set([dep.name
             for dep in req.parse_requirements('requirements/base.txt')])
  TREQ = set([dep.name or dep.url
              for dep in req.parse_requirements('requirements/tests.txt')]) - REQ
  
  try:
      import importlib
  except ImportError:
      REQ.add('importlib')
  
  
  class PyTest(test.test):
      def finalize_options(self):
          test.test.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)
  
  
  setuptools.setup(setup_requires=('d2to1',),
                   install_requires=REQ,
                   tests_require=TREQ,
                   extras_require={'ssl': ('pycrypto',)},
                   cmdclass={'test': PyTest},
                   d2to1=True)
  
new_contents: import sys
  try:
      import setuptools
  except ImportError:
      from distribute_setup import use_setuptools
      use_setuptools()
      import setuptools
  
  from pip import req
  from setuptools.command import test
  
  REQ = set([dep.name
             for dep in req.parse_requirements('requirements/base.txt')])
  TREQ = set([dep.name or dep.url
              for dep in req.parse_requirements('requirements/tests.txt')]) - REQ
  
  try:
      import importlib
  except ImportError:
      REQ.add('importlib')
  
  
  class PyTest(test.test):
      def finalize_options(self):
          test.test.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)
  
  
  setuptools.setup(setup_requires=('d2to1',),
                   install_requires=REQ,
                   tests_require=TREQ,
                   extras_require={'ssl': ('pycrypto', 'PyYAML')},
                   cmdclass={'test': PyTest},
                   d2to1=True)
  
subject: Add PyYAML to ``ssl`` extras_require