anchor.diff:      gdb numpy ncurses
     ];
   
  -  buildInputs = [ glibcLocales ];
     LC_ALL = "en_US.UTF-8";
   
     patches = [
  
positive.code:   ;
  
  in buildPythonPackage rec {
    pname = "Cython";
    version = "0.29.28";
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "sha256-1vrCNCgCww5RQmgo/ghP9N6xszhzZ8+Yl2uy5ktvjkU=";
    };
  
    nativeBuildInputs = [
  
negative.code: , fetchPypi
  , fetchpatch
  , python
  , pkg-config
  , gdb
  , numpy
  