anchor.diff:  , fetchPypi
   , fetchpatch
   , python
  -, glibcLocales
   , pkg-config
   , gdb
   , numpy
  
positive.code:     gdb numpy ncurses
    ];
  
    buildInputs = [ glibcLocales ];
    LC_ALL = "en_US.UTF-8";
  
    patches = [
  
negative.code:   ;
  
  in buildPythonPackage rec {
    pname = "cython";
    version = "0.29.30";
  
    src = fetchPypi {
      pname = "Cython";
      inherit version;
      sha256 = "sha256-IjW2Laj+b6i5lCLI5YPy+5XhQ4Z9M3tcdeS5oahl+eM=";
    };
  
    nativeBuildInputs = [
  