anchor.diff:  
   buildPythonPackage rec {
     pname = "pytest-doctestplus";
  -  version = "0.11.2";
  +  version = "0.12.1";
     format = "setuptools";
   
     disabled = pythonOlder "3.7";
   
     src = fetchPypi {
       inherit pname version;
  -    sha256 = "f393adf659709a5f111d6ca190871c61808a6f3611bd0a132e27e93b24dd3448";
  +    hash = "sha256-epeeS+mdkRbgesBmxfANRfOHZ319d5877zDG/6jHkYE=";
     };
   
     nativeBuildInputs = [
  
positive.code: 
    checkInputs = [
      pytestCheckHook
    ];
  
    patches = [
      # Removal of distutils, https://github.com/astropy/pytest-doctestplus/pull/172
      (fetchpatch {
        name = "distutils-removal.patch";
        url = "https://github.com/astropy/pytest-doctestplus/commit/ae2ee14cca0cde0fab355936995fa083529b00ff.patch";
        sha256 = "sha256-uryKV7bWw2oz0glyh2lpGqtDPFvRTo8RmI1N1n15/d4=";
      })
    ];
  
    disabledTests = [
  
negative.code: { lib
  , buildPythonPackage
  , fetchPypi
  , packaging
  , pytest
  