anchor.diff:  , jbig2dec
   , lxml
   , mupdf
  +, packaging
   , pillow
   , psutil
   , pybind11
  
positive.code: 
  buildPythonPackage rec {
    pname = "pikepdf";
    version = "5.1.4";
    format = "setuptools";
  
    disabled = pythonOlder "3.7";
  
negative.code: 
    propagatedBuildInputs = [
      lxml
      packaging
      pillow
    ] ++ lib.optionals (pythonOlder "3.8") [
      importlib-metadata
  