anchor.diff:  { lib, buildPythonPackage, fetchPypi, isPy27
  +, fetchpatch
   , pandas
   , pytestCheckHook
   , scikitlearn
  
positive.code:     inherit pname version;
      sha256 = "da59de0d1c0fa66f62054dd9a0a295a182563aa1abbb3bf9224a3678fcfe8fa4";
    };
  
    propagatedBuildInputs = [ scikitlearn ];
    checkInputs = [ pytestCheckHook pandas ];
  
negative.code:     description = "Library offering a number of re-sampling techniques commonly used in datasets showing strong between-class imbalance";
      homepage = "https://github.com/scikit-learn-contrib/imbalanced-learn";
      license = licenses.mit;
      maintainers = [ maintainers.rmcgibbo ];
    };
  }
  