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