anchor.diff:  
   buildPythonPackage rec {
     pname = "imbalanced-learn";
  -  version = "0.7.0";
  +  version = "0.8.0";
     disabled = isPy27; # scikit-learn>=0.21 doesn't work on python2
   
     src = fetchPypi {
       inherit pname version;
  -    sha256 = "da59de0d1c0fa66f62054dd9a0a295a182563aa1abbb3bf9224a3678fcfe8fa4";
  +    sha256 = "0a9xrw4qsh95g85pg2611hvj6xcfncw646si2icaz22haw1x410w";
     };
  -
  -  patches = [
  -    # Fix compatibility with scikit-learn 0.24. This patch will be included in releases of
  -    # imbalanced-learn after 0.7.0
  -    (fetchpatch {
  -      url = "https://github.com/scikit-learn-contrib/imbalanced-learn/commit/dc4051fe0011c68d900be05971b71016d4ad9e90.patch";
  -      sha256 = "1rv61k9wv4q37a0v943clr8fflcg9ly530smgndgkjlxkyzw6swh";
  -      excludes = ["doc/conf.py" "build_tools/*" "azure-pipelines.yml"];
  -    })
  -  ];
   
     propagatedBuildInputs = [ scikitlearn ];
     checkInputs = [ pytestCheckHook pandas ];
  
positive.code:     "show_versions"
      "test_make_imbalanced_iris"
      "test_rusboost[SAMME.R]"
    ];
  
    meta = with lib; {
  
negative.code: { lib
  , buildPythonPackage
  , fetchPypi
  , isPy27
  , pandas
  , pytestCheckHook
  , scikitlearn
  