anchor.diff:      owner = "LaurentMazare";
       repo   = "ocaml-${pname}";
       rev    = version;
  -    sha256 = "1xn8zfs3viz80agckcpl9a4vjbq6j5g280i95jyy5s0zbcnajpnm";
  +    sha256 = "1rqrv6hbical8chk0bl2nf60q6m4b5d1gab9fc5q03vkz2987f9b";
     };
   
     propagatedBuildInputs = [
  
positive.code: 
    preBuild = ''export LIBTORCH=${pytorch.dev}/'';
  
    doCheck = true;
    checkPhase = "dune runtest";
  
    meta = with lib; {
  
negative.code: 
  buildDunePackage rec {
    pname = "torch";
    version = "0.10";
  
    minimumOCamlVersion = "4.07";
  
  