anchor.diff:  }:
   
   let
  -  version = "0.27.0";
  +  version = "0.29.0";
   in
   buildPythonPackage {
     name = "M2Crypto-${version}";
  
positive.code:     typing
    ];
  
    meta = with stdenv.lib; {
      maintainers = with maintainers; [
        wkennington
      ];
  
negative.code:   src = fetchPyPi {
      package = "M2Crypto";
      inherit version;
      sha256 = "a0fea2c5ab913e42864d1ccbaee5878c23886368b606e923609fda4ce37d26c0";
    };
  
    nativeBuildInputs = [
  