anchor.diff:      "test_plot_separation"
       "test_plot_trace_legend"
       "test_cov"
  +    # countourpy is not available at the moment
  +    "test_plot_kde"
  +    "test_plot_kde_2d"
  +    "test_plot_pair"
     ];
   
     pythonImportsCheck = [
  
positive.code:     owner = "arviz-devs";
      repo = pname;
      rev = "v${version}";
      hash = "sha256-5P6EXXAAS1Q2eNQuj/5JrDg0lPHfA5K4WaYfKaaXm9s=";
    };
  
    propagatedBuildInputs = [
  
negative.code: 
  buildPythonPackage rec {
    pname = "arviz";
    version = "0.13.0";
    format = "setuptools";
  
    disabled = pythonOlder "3.7";
  