anchor.diff:    pname = "elegy";
     version = "0.8.6";
     format = "pyproject";
  +
  +  disabled = pythonOlder "3.7";
   
     src = fetchFromGitHub {
       owner = "poets-ai";
  
positive.code: , tensorboardx
  , tensorflow
  , toolz
  , treex
  , typing-extensions
  }:
  
negative.code:     poetry
    ];
  
    buildInputs = [
      jaxlib
    ];
  
    propagatedBuildInputs = [
      cloudpickle
  