old_contents: #!/usr/bin/env python
  from distutils.core import setup
  from distutils.extension import Extension
  # from Cython.Distutils import build_ext
  from Cython.Build import cythonize
  import numpy as np
  
  extensions = [
  	Extension('utils/fast_cts', sources=['utils/fast_cts.pyx']),
  	Extension('utils/hogupdatemv', sources=['utils/hogupdatemv.pyx']),
  ]
  
  setup(
  	name='async-rl-extensions', 
  	# cmdclass={'build_ext': build_ext}, 
  	include_dirs=[np.get_include()],   
  	ext_modules=cythonize(extensions)
  )
  
new_contents: #!/usr/bin/env python
  from distutils.core import setup
  from distutils.extension import Extension
  from Cython.Build import cythonize
  import numpy as np
  
  extensions = [
  	Extension('utils/fast_cts', sources=['utils/fast_cts.pyx']),
  	Extension('utils/hogupdatemv', sources=['utils/hogupdatemv.pyx']),
  ]
  
  setup(
  	name='async-rl-extensions', 
  	include_dirs=[np.get_include()],   
  	ext_modules=cythonize(extensions)
  )
  
subject: remove commented out lines