anchor.diff:      sed -i setup.py \
         -e 's,/usr,/non-existant-path,g' \
         -e 's,/opt,/non-existant-path,g'
  -
  -    sed -i "/def lz4_system_prefix/a\    return \"${lz4}\"" setup_lz4.py
     '';
   
     disabled = pythonOlder "3.5";
  
positive.code:   src = fetchPyPi {
      package = "borgbackup";
      inherit version;
      sha256 = "22a4a53840886180e87de5636356f29e491209365861007c31d7f18220c72cb2";
    };
  
    nativeBuildInputs = [
  
negative.code: }:
  
  let
    version = "1.1.5";
  in
  buildPythonPackage rec {
    name = "borgbackup-${version}";
  