old_contents: from setuptools import setup
  import platform
  
  setup(name='syscertifi',
        description="Make requests use system certificate stores",
        py_modules=["certifi"],
        extras={"win32": "wincertstore"}
        version="0.1"
        )
  
new_contents: from setuptools import setup
  import platform
  
  setup(name='syscertifi',
        description="Make requests use system certificate stores",
        py_modules=["certifi"],
        extras_require={":sys_platform=='win32'": ["wincertstore"]},
        version="0.1"
        )
  
subject: Fix requirements