anchor.diff:    checkInputs = [
       nats-server
       pytestCheckHook
  +    uvloop
     ];
   
     postPatch = ''
  
positive.code: , nats-server
  , pytestCheckHook
  , pythonOlder
  }:
  
  buildPythonPackage rec {
  
negative.code:     # RuntimeError: Event loop is closed
      "test_subscribe_no_echo"
      "test_reconnect_to_new_server_with_auth"
      "test_drain_connection"
      "test_discover_servers_on_first_connect"
    ];
  
    pythonImportsCheck = [ "nats.aio" ];
  