anchor.diff:  
     buildInputs = [ cython ];
   
  -  propagatedBuildInputs = [ numpy scipy matplotlib networkx six pillow pywavelets dask cloudpickle ];
  +  propagatedBuildInputs = [ numpy scipy matplotlib networkx six pillow pywavelets dask cloudpickle imageio ];
   
     checkInputs = [ pytest ];
   
  
positive.code: , dask
  , cloudpickle
  , pytest
  }:
  
  buildPythonPackage rec {
  
negative.code:     homepage = http://scikit-image.org;
      license = lib.licenses.bsd3;
    };
  }
  