anchor.diff:  
   buildPythonPackage rec {
     pname = "ocrmypdf";
  -  version = "13.0.0";
  +  version = "13.1.0";
   
     src = fetchFromGitHub {
       owner = "jbarlow83";
  
positive.code:   ];
  
    propagatedBuildInputs = [
      cffi
      coloredlogs
      img2pdf
      pdfminer
  
negative.code:     extraPostFetch = ''
        rm "$out/.git_archival.txt"
      '';
      sha256 = "sha256-K8amHifxaR/tRiQODWVZcOd5nL5zzjd8C7h5whl/HoQ=";
    };
  
    SETUPTOOLS_SCM_PRETEND_VERSION = version;
  