anchor.diff:      sha256 = "0bc5lj0732j0hjq89llgrncyzs6k3aaffvg07kr3la44w0hlrb4l";
     };
   
  -  checkInputs = [ pytestCheckHook pytest-asyncio pretend freezegun simplejson twisted ];
     propagatedBuildInputs = [ six ];
   
  -  meta = {
  +  checkInputs = [ pytestCheckHook pytest-asyncio pretend freezegun simplejson ];
  +
  +  meta = with lib; {
       description = "Painless structural logging";
       homepage = "https://github.com/hynek/structlog";
  -    license = lib.licenses.asl20;
  +    license = licenses.asl20;
  +    maintainers = with maintainers; [ ];
     };
   }
  
positive.code: , pytest-asyncio
  , pretend
  , freezegun
  , twisted
  , simplejson
  , six
  , pythonAtLeast
  
negative.code:   version = "21.5.0";
    format = "flit";
  
    src = fetchFromGitHub {
      owner = "hynek";
      repo = "structlog";
  