anchor.diff:      };
     };
   
  +  
     ldap = buildPythonPackage rec {
       name = "python-ldap-2.4.3";
   
  
positive.code:     propagatedBuildInputs = [astng];
    };
  
    pymacs = pkgs.stdenv.mkDerivation rec {
      version = "v0.24-beta2";
      name = "Pymacs-${version}";
  
negative.code:     };
    };
  
    
    pyopengl =
      let version = "3.0.0b5";
      in
  