anchor.diff:      owner = "nats-io";
       repo = "nats.py";
       rev = "refs/tags/v${version}";
  -    hash = "sha256-ILYZofQf9xnD294GL8rB07bg/Su7TD3KzpDTxrqERak=";
  +    hash = "sha256-K2ugTwfeYrdBnXFV9SHNQP+fNvUmc1yuy53gpGmmvS0=";
     };
   
     propagatedBuildInputs = [
  
positive.code: 
  buildPythonPackage rec {
    pname = "nats-py";
    version = "2.1.6";
    format = "setuptools";
  
    disabled = pythonOlder "3.7";
  
negative.code:   '';
  
    disabledTests = [
      # AssertionError: assert 5 == 0
      "test_pull_subscribe_limits"
      "test_fetch_n"
      "test_subscribe_no_echo"
    ];
  
    pythonImportsCheck = [
  