anchor.diff:    passthru = {
       inherit cudaSupport;
       cudaArchList = final_cudaArchList;
  -    # At least for 1.9.0 `torch.fft` is unavailable unless BLAS provider is MKL. This attribute allows for easy detection of its availability.
  +    # At least for 1.10.2 `torch.fft` is unavailable unless BLAS provider is MKL. This attribute allows for easy detection of its availability.
       blasProvider = blas.provider;
     };
   
  
positive.code: in buildPythonPackage rec {
    pname = "pytorch";
    # Don't forget to update pytorch-bin to the same version.
    version = "1.9.0";
  
    disabled = !isPy3k;
  
  
negative.code:     repo   = "pytorch";
      rev    = "v${version}";
      fetchSubmodules = true;
      sha256 = "sha256-QcvoJqpZJXPSc9HLCJHetrp/hMESuC5kYl90d7Id0ZU=";
    };
  
    patches = lib.optionals stdenv.isDarwin [
  