anchor.diff:  , nodejs
   , packaging
   , pillow
  +#, pytestCheckHook#
   , pytest
   , python
   , python-dateutil
  
positive.code:     tornado
      numpy
      packaging
    ]
    ++ lib.optionals ( isPy27 ) [
      futures
    ];
  
    checkPhase = ''
      ${python.interpreter} -m unittest discover -s bokeh/tests
    '';
  
    meta = {
      description = "Statistical and novel interactive HTML plots for Python";
  
negative.code:     })
    ];
  
    disabled = isPyPy || isPy27;
  
    nativeBuildInputs = [
      pythonImportsCheckHook
    ];
  
    pythonImportsCheck = [
      "bokeh"
    ];
  
    checkInputs = [
      mock
      pytest
      pillow
      selenium
      pytz
      flaky
      networkx
      beautifulsoup4
      requests
      nbconvert
      icalendar
      pandas
    ];
  
    propagatedBuildInputs = [
  