old_contents: #!/usr/bin/env python
  import os
  import re
  import sys
  
  from setuptools import setup, find_packages
  
  
  ROOT = os.path.dirname(__file__)
  VERSION_RE = re.compile(r'''__version__ = ['"]([0-9.]+)['"]''')
  
  
  requires = [
      'botocore>=1.3.0,<2.0.0',
  ]
  
  
  if sys.version_info[0] == 2:
      # concurrent.futures is only in python3, so for
      # python2 we need to install the backport.
      requires.append('futures>=2.2.0,<4.0.0')
  
  
  def get_version():
      init = open(os.path.join(ROOT, 's3transfer', '__init__.py')).read()
      return VERSION_RE.search(init).group(1)
  
  
  setup(
      name='s3transfer',
      version=get_version(),
      description='An Amazon S3 Transfer Manager',
      long_description=open('README.rst').read(),
      author='Amazon Web Services',
      author_email='kyknapp1@gmail.com',
      url='https://github.com/boto/s3transfer',
      packages=find_packages(exclude=['tests*']),
      include_package_data=True,
      install_requires=requires,
      extras_require={
          ':python_version=="2.6" or python_version=="2.7"': [
              'futures>=2.2.0,<4.0.0']
      },
      license="Apache License 2.0",
      classifiers=(
          'Development Status :: 3 - Alpha',
          'Intended Audience :: Developers',
          'Natural Language :: English',
          'License :: OSI Approved :: Apache Software License',
          'Programming Language :: Python',
          'Programming Language :: Python :: 2.6',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.3',
          'Programming Language :: Python :: 3.4',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
      ),
  )
  
new_contents: #!/usr/bin/env python
  import os
  import re
  import sys
  
  from setuptools import setup, find_packages
  
  
  ROOT = os.path.dirname(__file__)
  VERSION_RE = re.compile(r'''__version__ = ['"]([0-9.]+)['"]''')
  
  
  requires = [
      'botocore>=1.3.0,<2.0.0',
  ]
  
  
  if sys.version_info[0] == 2:
      # concurrent.futures is only in python3, so for
      # python2 we need to install the backport.
      requires.append('futures>=2.2.0,<4.0.0')
  
  
  def get_version():
      init = open(os.path.join(ROOT, 's3transfer', '__init__.py')).read()
      return VERSION_RE.search(init).group(1)
  
  
  setup(
      name='s3transfer',
      version=get_version(),
      description='An Amazon S3 Transfer Manager',
      long_description=open('README.rst').read(),
      author='Amazon Web Services',
      author_email='kyknapp1@gmail.com',
      url='https://github.com/boto/s3transfer',
      packages=find_packages(exclude=['tests*']),
      include_package_data=True,
      install_requires=requires,
      extras_require={
          ':python_version=="2.6" or python_version=="2.7"': [
              'futures>=2.2.0,<4.0.0']
      },
      license="Apache License 2.0",
      classifiers=(
          'Development Status :: 3 - Alpha',
          'Intended Audience :: Developers',
          'Natural Language :: English',
          'License :: OSI Approved :: Apache Software License',
          'Programming Language :: Python',
          'Programming Language :: Python :: 2.6',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.3',
          'Programming Language :: Python :: 3.4',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
      ),
  )
  
subject: Add 3.7 to setup.py classifiers