anchor.diff:      homepage = https://github.com/pypa/readme_renderer;
       license = lib.licenses.asl20;
     };
  -}+}
  
positive.code: 
  buildPythonPackage rec {
    pname = "readme_renderer";
    version = "17.2";
    name = "${pname}-${version}";
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "9deab442963a63a71ab494bf581b1c844473995a2357f4b3228a1df1c8cba8da";
    };
  
    checkInputs = [ pytest ];
  
    propagatedBuildInputs = [
      bleach docutils pygments six
    ];
  
    checkPhase = ''
  
negative.code: , buildPythonPackage
  , fetchPypi
  , pytest
  , CommonMark
  , bleach
  , docutils
  , pygments
  