anchor.diff:        services like Amazon S3 and Amazon EC2.
       '';
     };
  -}+}
  
positive.code: 
  buildPythonPackage rec {
    pname =  "boto3";
    version = "1.7.84";
  
    src = fetchFromGitHub {
      owner = "boto";
      repo  = "boto3";
      rev   = version;
      sha256 = "0d9kqjqmnn53p1xpmdbbjxcxv2482yx3vjhxw8izp0mpq58i5c14";
    };
  
    propagatedBuildInputs = [ botocore jmespath s3transfer ] ++ lib.optionals (!isPy3k) [ futures ];
  
negative.code: { lib
  , buildPythonPackage
  , fetchPypi
  , botocore
  , jmespath
  , s3transfer
  