old_contents: import os
  from setuptools import setup, find_packages
  import io
  
  current_dir = os.path.dirname(os.path.abspath(__file__))
  
  with io.open(os.path.join(current_dir, "README.rst"), "rt") as f:
      long_desc = f.read()
  
  setup(
      name="monty",
      packages=find_packages(),
      version="2.0.1",
      install_requires=["six"],
      extras_require={"yaml": ["ruamel.yaml"],},
      package_data={},
      author="Shyue Ping Ong",
      author_email="ongsp@ucsd.edu",
      maintainer="Shyue Ping Ong",
      url="https://github.com/materialsvirtuallab/monty",
      license="MIT",
      description="Monty is the missing complement to Python.",
      long_description=long_desc,
      keywords=["monty"],
      classifiers=[
          "Programming Language :: Python :: 2",
          "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",
          "Development Status :: 4 - Beta",
          "Intended Audience :: Developers",
          "License :: OSI Approved :: MIT License",
          "Operating System :: OS Independent",
          "Topic :: Software Development :: Libraries :: Python Modules"
      ]
  )
  
new_contents: import os
  from setuptools import setup, find_packages
  import io
  
  current_dir = os.path.dirname(os.path.abspath(__file__))
  
  with io.open(os.path.join(current_dir, "README.rst"), "rt") as f:
      long_desc = f.read()
  
  setup(
      name="monty",
      packages=find_packages(),
      version="2.0.1",
      install_requires=["six"],
      extras_require={"yaml": ["ruamel.yaml"],},
      package_data={},
      author="Shyue Ping Ong",
      author_email="ongsp@ucsd.edu",
      maintainer="Shyue Ping Ong",
      url="https://github.com/materialsvirtuallab/monty",
      license="MIT",
      description="Monty is the missing complement to Python.",
      long_description=long_desc,
      keywords=["monty"],
      classifiers=[
          "Programming Language :: Python :: 2",
          "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",
          "Programming Language :: Python :: 3.8",
          "Development Status :: 4 - Beta",
          "Intended Audience :: Developers",
          "License :: OSI Approved :: MIT License",
          "Operating System :: OS Independent",
          "Topic :: Software Development :: Libraries :: Python Modules"
      ]
  )
  
subject: Add 3,7 and 3.8 to pytthon.