anchor.diff:    # disable tests which need specific packages
     disabledTests = [
       "idist"
  +    "mlflow"
       "tensorboard"
  -    "mlflow"
  +    "test_integration"
  +    "test_output_handler" # needs mlflow
  +    "test_pbar" # slight output differences
  +    "test_setup_clearml_logging"
  +    "test_setup_neptune"
  +    "test_setup_plx"
  +    "test_write_results"
       "trains"
       "visdom"
  -    "test_setup_neptune"
  -    "test_output_handler" # needs mlflow
  -    "test_integration"
  -    "test_pbar" # slight output differences
  -    "test_write_results"
  -    "test_setup_plx"
     ];
   
     meta = with lib; {
  
positive.code:     owner = "pytorch";
      repo = pname;
      rev = "v${version}";
      sha256 = "057v8v5p2picmgiidr9lzjbh7nj54pv95m6lyya3y7dw4vzaamij";
    };
  
    checkInputs = [ pytestCheckHook matplotlib mock pytest-xdist ];
  
negative.code:   # models, which doesn't work in the sandbox.
    # avoid tests which need special packages
    pytestFlagsArray = [
      "--ignore=tests/ignite/contrib/handlers/test_clearml_logger.py"
      "--ignore=tests/ignite/contrib/handlers/test_lr_finder.py"
      "--ignore=tests/ignite/contrib/handlers/test_trains_logger.py"
      "--ignore=tests/ignite/metrics/nlp/test_bleu.py"
      "--ignore=tests/ignite/metrics/nlp/test_rouge.py"
      "--ignore=tests/ignite/metrics/test_dill.py"
      "--ignore=tests/ignite/metrics/test_psnr.py"
      "--ignore=tests/ignite/metrics/test_ssim.py"
      "tests/"
    ];
  