anchor.diff:  { lib
  -, buildPythonPackage
  -, fetchFromGitHub
  -, plotly
  -, flask
  -, flask-compress
  +, celery
   , dash-core-components
   , dash-html-components
   , dash-table
  +, diskcache
  +, fetchFromGitHub
  +, flask
  +, flask-compress
  +, mock
  +, multiprocess
  +, plotly
  +, psutil
   , pytest-mock
  -, mock
  -, pyyaml
   , pytestCheckHook
   , pythonOlder
  +, pyyaml
  +, redis
   }:
   
   buildPythonPackage rec {
  
positive.code:     dash-html-components
      dash-table
    ];
  
    checkInputs = [
      pytestCheckHook
  
negative.code:     "tests/integration"
    ];
  
    pythonImportsCheck = [
      "dash"
    ];
  
    meta = with lib; {
      description = "Python framework for building analytical web applications";
      homepage = "https://dash.plot.ly/";
      license = licenses.mit;
      maintainers = with maintainers; [ antoinerg ];
    };
  }
  