anchor.diff:      license = with licenses; [ mpl20 mit ];
       platforms = platforms.linux;
       maintainers = [ maintainers.kiwi ];
  -    changelog  = "https://github.com/jbarlow83/OCRmyPDF/blob/v${version}/docs/release_notes.rst";
  +    changelog = "https://github.com/jbarlow83/OCRmyPDF/blob/v${version}/docs/release_notes.rst";
     };
   }
  
positive.code: 
    propagatedBuildInputs = with python3Packages; [
      cffi
      chardet
      coloredlogs
      img2pdf
      pdfminer
      pluggy
      pikepdf
  
negative.code: in
  buildPythonApplication rec {
    pname = "ocrmypdf";
    version = "12.5.0";
  
    src = fetchFromGitHub {
      owner = "jbarlow83";
      repo = "OCRmyPDF";
      rev = "v${version}";
      sha256 = "sha256-g80WedX+TGHE9EJ/RSgOc53PM17V3WZslUNaHoqKTo0=";
    };
  
    nativeBuildInputs = with python3Packages; [
  