anchor.diff:      "LD_LIBRARY_PATH=${cudaStub}\${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH} ";
   
   in buildPythonPackage rec {
  -  version = "0.4.0";
  +  version = "0.4.1";
     pname = "pytorch";
   
     src = fetchFromGitHub {
  
positive.code:     repo   = "pytorch";
      rev    = "v${version}";
      fetchSubmodules = true;
      sha256 = "12d5vqqaprk0igmih7fwa65ldmaawgijxl58h6dnw660wysc132j";
    };
  
    preConfigure = lib.optionalString cudaSupport ''
  
negative.code:   ] ++ lib.optional (pythonOlder "3.5") typing;
  
    checkPhase = ''
      ${cudaStubEnv}python test/run_test.py --exclude distributed autograd distributions jit sparse torch utils nn
    '';
  
    meta = {
  