def _observe_iterable(self, change):
        if change['type'] == 'update' and self.is_initialized:
            self.refresh_items()

    #--------------------------------------------------------------------------
    # Pattern API
    #--------------------------------------------------------------------------
Return the classifier that this tagger uses to choose a tag
dataset/ETHPy150Open nucleic/enaml/enaml/core/looper.py/Looper._observe_iterable--crossover with--dataset/ETHPy150Open nltk/nltk/nltk/tag/sequential.py/ClassifierBasedTagger.classifier