anchor.diff:      pytestCheckHook
     ];
   
  +  pythonImportsCheck = [
  +    "pynndescent"
  +  ];
  +
     meta = with lib; {
       description = "Nearest Neighbor Descent";
       homepage = "https://github.com/lmcinnes/pynndescent";
  
positive.code: , scikit-learn
  , scipy
  , pytestCheckHook
  }:
  
  buildPythonPackage rec {
  
negative.code:   version = "0.5.6";
    format = "setuptools";
  
    disabled = pythonOlder "3.6";
  
    src = fetchPypi {
      inherit pname version;
      hash = "sha256-YfsxiFuqxGnWeTPix8k1tu3rsG7kmOLw+d/JfFnTclw=";
    };
  
    propagatedBuildInputs = [
  