anchor.diff:  
     propagatedBuildInputs = with python3Packages; [
       cffi
  -    chardet
       coloredlogs
       img2pdf
  +    importlib-resources
       pdfminer
       pluggy
       pikepdf
  
positive.code: in
  buildPythonApplication rec {
    pname = "ocrmypdf";
    version = "12.3.0";
  
    src = fetchFromGitHub {
      owner = "jbarlow83";
      repo = "OCRmyPDF";
      rev = "v${version}";
      sha256 = "122yv3p0v4fbx30zgppcznwnm7svg97gv0sa103xb6zcld68ggn2";
    };
  
    nativeBuildInputs = with python3Packages; [
  
negative.code:     license = with licenses; [ mpl20 mit ];
      platforms = platforms.linux;
      maintainers = [ maintainers.kiwi ];
      changelog = "https://github.com/jbarlow83/OCRmyPDF/blob/v${version}/docs/release_notes.rst";
    };
  }
  