anchor.diff:      runHook postCheck
     '';
   
  -  meta = {
  +  pythonImportsCheck = [
  +    "wrf"
  +  ];
  +
  +  meta = with lib; {
       description = "WRF postprocessing library for Python";
       homepage = "http://wrf-python.rtfd.org";
  -    license = lib.licenses.asl20;
  -    maintainers = with lib.maintainers; [ mhaselsteiner ];
  +    license = licenses.asl20;
  +    maintainers = with maintainers; [ mhaselsteiner ];
     };
   }
  
positive.code: 
    checkInputs = [
      netcdf4
    ] ++ lib.optional (pythonOlder "3.3") mock;
  
    doCheck = true;
    checkPhase = ''
      runHook preCheck
      cd ./test/ci_tests
  
negative.code: {lib
  , fetchFromGitHub
  , pythonOlder
  , buildPythonPackage
  , gfortran
  , xarray
  , wrapt
  , numpy
  , netcdf4
  , setuptools
  , pythonOlder
  }:
  
  buildPythonPackage rec {
    pname = "wrf-python";
    version = "1.3.3";
    format = "setuptools";
  
    disabled = pythonOlder "3.7";
  
    src = fetchFromGitHub {
      owner = "NCAR";
      repo = "wrf-python";
      rev = version;
      hash = "sha256-+v4FEK0FVE0oAIb18XDTOInHKfxXyykb1ngk9Uxwf0c=";
    };
  
    propagatedBuildInputs = [
  