anchor.diff:  
   buildPythonPackage rec {
     pname = "nats-py";
  -  version = "2.1.6";
  +  version = "2.1.7";
     format = "setuptools";
   
     disabled = pythonOlder "3.7";
  
positive.code:   '';
  
    disabledTests = [
      # RuntimeError: Event loop is closed
      "test_subscribe_no_echo"
      "test_publish"
      "test_publish_verbose"
      "test_fetch_max_waiting_fetch_one"
      "test_fetch_n"
      "test_consumer_management"
      "test_ephemeral_subscribe"
      "test_queue_subscribe_deliver_group"
      "test_subscribe_push_bound"
      "test_double_acking_subscribe"
      "test_flow_control"
      "test_ordered_consumer"
      "test_ordered_consumer_single_loss"
      "test_kv_simple"
    ];
  
    pythonImportsCheck = [
  
negative.code:     owner = "nats-io";
      repo = "nats.py";
      rev = "refs/tags/v${version}";
      hash = "sha256-K2ugTwfeYrdBnXFV9SHNQP+fNvUmc1yuy53gpGmmvS0=";
    };
  
    propagatedBuildInputs = [
  