anchor.diff:      pytestcov
       pytestrunner
       python-xmp-toolkit
  -    setuptools
  +    pytestCheckHook
     ] ++ runtimeDeps;
   
     patches = [
  
positive.code:   propagatedBuildInputs = with python3Packages; [
      cffi
      chardet
      img2pdf
      pdfminer
      pikepdf
      pillow
      reportlab
  
negative.code: in
  buildPythonApplication rec {
    pname = "ocrmypdf";
    version = "10.2.0";
    disabled = ! python3Packages.isPy3k;
  
    src = fetchFromGitHub {
      owner = "jbarlow83";
      repo = "OCRmyPDF";
      rev = "v${version}";
      sha256 = "1dkxhy3bjl48948jj2k6d684sd76xw1q427qc4hmxncr0wxj0ljp";
    };
  
    nativeBuildInputs = with python3Packages; [
  