old_contents: import re
  import os
  
  from setuptools import setup, find_packages
  
  with open(
          os.path.join(
              os.path.abspath(os.path.dirname(__file__)),
              'aiocache/_version.py')) as fp:
      try:
          version = re.findall(
              r"^__version__ = '([^']+)'\r?$", fp.read(), re.M)[0]
      except IndexError:
          raise RuntimeError('Unable to determine version.')
  
  
  setup(
      name='aiocache',
      version=version,
      author='Manuel Miranda',
      url='https://github.com/argaen/aiocache',
      author_email='manu.mirandad@gmail.com',
      description='multi backend asyncio cache',
      classifiers=[
          'Programming Language :: Python',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
          'Framework :: AsyncIO',
      ],
      packages=find_packages(),
      install_requires=None,
      extras_require={
          'redis': ['aioredis>=0.3.3'],
          'memcached': ['aiomcache>=0.5.2'],
          'msgpack': ['msgpack'],
          'dev': [
              'flake8',
              'pytest',
              'pytest-asyncio',
              'pytest-mock',
              'codecov',
              'marshmallow',
              'asynctest>=0.11.0',
  
              'sphinx',
              'sphinx-autobuild',
              'sphinx-rtd-theme',
              'pystache',
              'ipdb',
          ]
      }
  )
  
new_contents: import re
  import os
  
  from setuptools import setup, find_packages
  
  with open(
          os.path.join(
              os.path.abspath(os.path.dirname(__file__)),
              'aiocache/_version.py')) as fp:
      try:
          version = re.findall(
              r"^__version__ = '([^']+)'\r?$", fp.read(), re.M)[0]
      except IndexError:
          raise RuntimeError('Unable to determine version.')
  
  
  with open('README.rst', 'rt', encoding='utf8') as f:
      readme = f.read()
  
  
  setup(
      name='aiocache',
      version=version,
      author='Manuel Miranda',
      url='https://github.com/argaen/aiocache',
      author_email='manu.mirandad@gmail.com',
      description='multi backend asyncio cache',
      long_description=readme,
      classifiers=[
          'Programming Language :: Python',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
          'Framework :: AsyncIO',
      ],
      packages=find_packages(),
      install_requires=None,
      extras_require={
          'redis': ['aioredis>=0.3.3'],
          'memcached': ['aiomcache>=0.5.2'],
          'msgpack': ['msgpack'],
          'dev': [
              'flake8',
              'pytest',
              'pytest-asyncio',
              'pytest-mock',
              'codecov',
              'marshmallow',
              'asynctest>=0.11.0',
  
              'sphinx',
              'sphinx-autobuild',
              'sphinx-rtd-theme',
              'pystache',
              'ipdb',
          ]
      }
  )
  
subject: Add README to setup