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

    #--------------------------------------------------------------------------
    # Pattern API
    #--------------------------------------------------------------------------
A private observer for the `iterable` attribute.
dataset/ETHPy150Open nucleic/enaml/enaml/core/looper.py/Looper._observe_iterable