anchor.diff:      pytestCheckHook
     ];
   
  +  postPatch = ''
  +    substituteInPlace pyproject.toml \
  +      --replace 'wheel = "^0.35.1"' 'wheel = "*"' \
  +      --replace 'prometheus-client = ">=0.8,<0.10"' 'prometheus-client = "*"'
  +  '';
  +
     preCheck = ''
       export HOSTNAME=myhost-experimentId
     '';
   
  -  disabledTests = [
  -    "test_add_metrics_pushes_metrics" # requires a working prometheus push gateway
  +  disabledTestPaths = [
  +    # Requires a working Prometheus push gateway
  +    "tests/integration/test_metrics.py"
     ];
   
  -  pythonImportsCheck = [ "gradient_utils" ];
  +  pythonImportsCheck = [
  +    "gradient_utils"
  +  ];
   
     meta = with lib; {
       description = "Python utils and helpers library for Gradient";
  
positive.code:   version = "0.5.0";
    format = "pyproject";
  
    src = fetchFromGitHub {
      owner = "Paperspace";
      repo = pname;
  
negative.code: , poetry-core
  , prometheus-client
  , pytestCheckHook
  , pythonOlder
  , requests
  }:
  
  