old_contents: from distutils.core import setup, Extension
  from distutils.sysconfig import get_python_lib
  from Cython.Build import cythonize
  
  
  ext_modules = [
      Extension("cymath", ["cymath/cymath.pyx"]),
  ]
  
  setup(
      name='CyMath',
      description='Math utilities for Cython',
      author='Josh Wilson',
      ext_modules=cythonize(ext_modules),
      data_files=[(get_python_lib(), ['cymath/cymath.pxd'])]
  )
  
new_contents: from distutils.core import setup, Extension
  from distutils.sysconfig import get_python_lib
  from Cython.Build import cythonize
  
  
  ext_modules = [
      Extension("cymath", ["cymath/cymath.pyx"]),
  ]
  
  setup(
      name='CyMath',
      version='0.0',
      description='Wrappers to `libm` for Cython',
      author='Josh Wilson',
      ext_modules=cythonize(ext_modules),
      data_files=[(get_python_lib(), ['cymath/cymath.pxd'])],
  )
  
subject: update description in `setup.py`