anchor.diff:      })
     ];
   
  -  disabled = isPyPy;
  +  disabled = isPyPy || isPy27;
  +
  +  nativeBuildInputs = [
  +    pythonImportsCheckHook
  +  ];
  +
  +  pythonImportsCheck = [
  +    "bokeh"
  +  ];
   
     checkInputs = [
       mock
       pytest
       pillow
       selenium
  +    pytz
  +    flaky
  +    networkx
  +    beautifulsoup4
  +    requests
  +    nbconvert
  +    icalendar
  +    pandas
     ];
   
     propagatedBuildInputs = [
  
positive.code: , six
  , substituteAll
  , tornado
  }:
  
  buildPythonPackage rec {
    pname = "bokeh";
    version = "1.4.0";
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "1rywd6c6hi0c6yg18j5zxssjd07a5hafcd21xr3q2yvp3aj3h3f6";
    };
  
    patches = [
  
negative.code: , nodejs
  , packaging
  , pillow
  #, pytestCheckHook#
  , pytest
  , python
  , python-dateutil
  