anchor.diff:      and not test_old_unpaper'
     '';
   
  +  makeWrapperArgs = [ "--prefix PATH : ${stdenv.lib.makeBinPath [ ghostscript jbig2enc pngquant qpdf tesseract4 unpaper ]}" ];
  +
     meta = with stdenv.lib; {
       homepage = "https://github.com/jbarlow83/OCRmyPDF";
       description = "Adds an OCR text layer to scanned PDF files, allowing them to be searched";
  
positive.code:     img2pdf
      pdfminer
      pikepdf
      reportlab
      ruffus
    ];
  
    checkInputs = with python3Packages; [
      hocr-tools
      pypdf2
      pytest
      pytest-helpers-namespace
  
negative.code:     python-xmp-toolkit
      setuptools
    ] ++ runtimeDeps;
  
    postPatch = ''
      substituteInPlace src/ocrmypdf/leptonica.py \
  