anchor.diff:      pytestCheckHook
     ];
   
  -  postPatch = ''
  -    sed -i "/--cov/d" setup.cfg
  -  '';
  -
     pythonImportsCheck = [
       "cftime"
     ];
  
positive.code: , buildPythonPackage
  , cython
  , fetchPypi
  , numpy
  , pytestCheckHook
  , pythonOlder
  
negative.code: 
    src = fetchPypi {
      inherit pname version;
      hash = "sha256-hhTAD7ilBG3jBP3Ybb0iT5lAgYXXskWsZijQJ2WW5tI=";
    };
  
    patches = [
      (fetchpatch {
        # Fix test_num2date_precision by checking per platform precision
        url = "https://github.com/Unidata/cftime/commit/221ff2195d588a43a7984597033b678f330fbc41.patch";
        hash = "sha256-3XTJuET20g9QElM/8WGnNzJBFZ0oUN4ikhWKppwcyNM=";
      })
    ];
  
    postPatch = ''
      sed -i "/--cov/d" setup.cfg
    '';
  
  
    nativeBuildInputs = [
      cython
  