anchor.diff:  
     src = fetchPypi {
       inherit pname version;
  -    sha256 = "1bsxc9x3yx5dy2r3b3lzi97wz0ma3ncd14jr27n6lbqvl20w92mm";
  +    sha256 = "0a6ylkfqr95awp6za0var0nysmnbgwn46np8cmi1bkldil2407lz";
     };
   
     propagatedBuildInputs = [ jinja2 jinja2_pluralize pygments six inflect ];
  
positive.code: 
    meta = with stdenv.lib; {
      description = "Automatically find diff lines that need test coverage";
      homepage = https://github.com/Bachmann1234/diff-cover;
      license = licenses.asl20;
      maintainers = with maintainers; [ dzabraev ];
    };
  
negative.code: 
  buildPythonPackage rec {
    pname = "diff_cover";
    version = "2.6.1";
  
    preCheck = ''
      export LC_ALL=en_US.UTF-8;
  