def get_icon(self, is_expanded):
        return '<item>'
returns a dictionary mapping segnames to features
dataset/ETHPy150Open enthought/envisage/examples/plugins/single_project/sample_project/data/data.py/DataAdapter.get_icon--crossover with--dataset/ETHPy150Open rll/lfd/lfd/mmqe/features.py/Feature.features