removed_sources:
  Cython-0.20.1.tar.gz: e0f2c2094722bada54f24c33f5c792411778ba4f
  Cython-0.20.2.tar.gz: e3fd4c32bdfa4a388cce9538417237172c656d55
  Cython-0.21.tar.gz: f5784539870715e33b51374e9c4451ff6ff21c7f
sources:
  Cython-0.22.1.tar.gz: 85c0494968e49f4aa3d20c58c314b5dffed47886