anchor.diff:  }:
   
   let
  -  excludedTests = []
  -    ++ [ "reimport_from_subinterpreter" ]
  +  excludedTests = [ "reimport_from_subinterpreter" ]
       # cython's testsuite is not working very well with libc++
       # We are however optimistic about things outside of testsuite still working
       ++ lib.optionals (stdenv.cc.isClang or false) [ "cpdef_extern_func" "libcpp_algo" ]
  
positive.code:   # https://github.com/cython/cython/issues/2785
    # Temporary solution
    doCheck = false;
  
  #   doCheck = !stdenv.isDarwin;
  
  
    meta = {
      description = "An optimising static compiler for both the Python programming language and the extended Cython programming language";
  
negative.code:   nativeBuildInputs = [
      pkg-config
    ];
  
    checkInputs = [
      gdb numpy ncurses
    ];
  
    buildInputs = [ glibcLocales ];
    LC_ALL = "en_US.UTF-8";
  
  