old_contents: from setuptools import setup
  from os import environ
  
  def readme():
      with open('README.rst') as f:
          return f.read()
  
  setup(
      name='tempvars',
      version='0.0',
      provides=['tempvars'],
      install_requires=['attrs'],
      packages=['tempvars'],
      url='https://www.github.com/bskinn/tempvars',
      license='MIT License',
      author='Brian Skinn',
      author_email='bskinn@alum.mit.edu',
      description='Context Manager for Handling Temporary Variables',
      long_description=readme(),
      classifiers=['License :: OSI Approved :: MIT License',
                   'Natural Language :: English',
                   'Environment :: Console',
                   'Intended Audience :: Science/Research',
  		 'Intended Audience :: Developers',
                   'Operating System :: OS Independent',
                   'Programming Language :: Python :: 3 :: Only',
                   'Topic :: Software Development',
                   'Development Status :: 2 - Pre-Alpha']
      )
  
new_contents: from setuptools import setup
  from os import environ
  
  def readme():
      with open('README.rst') as f:
          return f.read()
  
  setup(
      name='tempvars',
      version='0.0',
      provides=['tempvars'],
      install_requires=['attrs>=17'],
      packages=['tempvars'],
      url='https://www.github.com/bskinn/tempvars',
      license='MIT License',
      author='Brian Skinn',
      author_email='bskinn@alum.mit.edu',
      description='Context Manager for Handling Temporary Variables',
      long_description=readme(),
      classifiers=['License :: OSI Approved :: MIT License',
                   'Natural Language :: English',
                   'Environment :: Console',
                   'Intended Audience :: Science/Research',
  		 'Intended Audience :: Developers',
                   'Operating System :: OS Independent',
                   'Programming Language :: Python :: 3 :: Only',
                   'Programming Language :: Python :: 3.4',
                   'Programming Language :: Python :: 3.5',
                   'Programming Language :: Python :: 3.6',
                   'Topic :: Software Development',
                   'Development Status :: 2 - Pre-Alpha']
      )
  
subject: Add attrs>=17, py3.4/5/6 to setup.py