anchor.diff:      description = "A high-level plotting API for the PyData ecosystem built on HoloViews";
       homepage = "https://hvplot.pyviz.org";
       license = licenses.bsd3;
  -    maintainers = [ maintainers.costrouc ];
  +    maintainers = with maintainers; [ costrouc ];
     };
   }
  
positive.code:     pandas
    ];
  
    preCheck = ''
      export HOME=$(mktemp -d)
    '';
  
    # many tests require a network connection
    doCheck = false;
  
    pythonImportsCheck = [
  
negative.code:     pythonImportsCheckHook
    ];
  
    propagatedBuildInputs = [
      bokeh
      colorcet
  