anchor.diff:          self.python_magic
           self.configobj
           self.pygpgme
  +        self.mock
         ];
   
       postInstall = ''
  
positive.code: 
  
    alot = buildPythonPackage rec {
      rev = "0.3.7";
      name = "alot-${rev}";
  
      disabled = isPy3k;
  
negative.code:       owner = "pazz";
        repo = "alot";
        inherit rev;
        sha256 = "1hzajfh0f21k97xip9blg7zifiv3y5k33swp2h9sc57qd7qkr5i6";
      };
  
      postPatch = ''
  