anchor.diff:    });
   
     awscli = buildPythonPackage rec {
  -    name = "awscli-0.5.0";
  +    name = "awscli-0.8.3";
       namePrefix = "";
   
       src = fetchurl {
  -      url = https://github.com/aws/aws-cli/archive/0.5.0.tar.gz;
  -      sha256 = "0smgcisl2p7p2y2i299x7g271kdmgs0hnzngw5030phvh0lq202i";
  -    };
  -
  -    propagatedBuildInputs = [ argparse botocore ];
  +      url = https://github.com/aws/aws-cli/archive/0.8.3.tar.gz;
  +      sha256 = "0v7igh00zja560v8qz315g3m7x9six1hprrrb10cpp9sy8n58xnn";
  +    };
  +
  +    propagatedBuildInputs = [ argparse botocore colorama ];
   
     };
   
  
positive.code:     };
    });
  
    coilmq = buildPythonPackage (rec {
      name = "coilmq-0.6.1";
  
  
negative.code:   }) else null;
  
    ply = buildPythonPackage (rec {
      name = "ply-3.4";
  
      src = fetchurl {
        url = "http://www.dabeaz.com/ply/${name}.tar.gz";
        sha256 = "0sslnbpws847r1j1f41fjpn76w0asywfqgxwzyjrvmmxnw8myhxg";
      };
  
      meta = {
  