anchor.diff: -{ buildPythonPackage
  +{ lib
  +, buildPythonPackage
   , cloudpickle
   , deepdish
   , deepmerge
   , dm-haiku
   , fetchFromGitHub
   , jaxlib
  -, lib
   , poetry
   , pytestCheckHook
  -, torch
  +, pythonOlder
   , pyyaml
   , sh
   , tables
  
positive.code:     # Fails with `Could not find compiler for platform Host: NOT_FOUND: could not find registered compiler for platform Host -- check target linkage`.
      # Runs fine in docker with Ubuntu 22.04. I suspect the issue is the sandboxing in `nixpkgs` but not sure.
      "test_saved_model_poly"
    ];
  
    meta = with lib; {
  
negative.code:   pname = "elegy";
    version = "0.8.6";
    format = "pyproject";
  
    disabled = pythonOlder "3.7";
  
    src = fetchFromGitHub {
      owner = "poets-ai";
  