anchor.diff:  , isPy27
   , fetchFromGitHub
   , flit
  -, pytest
  +, pytestCheckHook
   , pytestcov
   , numpy
   , scipy
  
positive.code: 
  buildPythonPackage rec {
    pname = "threadpoolctl";
    version = "2.0.0";
  
    disabled = isPy27;
    format = "flit";
  
negative.code:     owner = "joblib";
      repo = pname;
      rev = version;
      sha256 = "0sl6mp3b2gb0dvqkhnkmrp2g3r5c7clyyyxzq44xih6sw1pgx9df";
    };
  
    checkInputs = [ pytestCheckHook pytestcov numpy scipy ];
  
    meta = with lib; {
      homepage = "https://github.com/joblib/threadpoolctl";
  